Search Results for author: Wei Wang

Found 630 papers, 203 papers with code

mPLUG: Effective and Efficient Vision-Language Learning by Cross-modal Skip-connections

3 code implementations24 May 2022 Chenliang Li, Haiyang Xu, Junfeng Tian, Wei Wang, Ming Yan, Bin Bi, Jiabo Ye, Hehong Chen, Guohai Xu, Zheng Cao, Ji Zhang, Songfang Huang, Fei Huang, Jingren Zhou, Luo Si

Large-scale pretrained foundation models have been an emerging paradigm for building artificial intelligence (AI) systems, which can be quickly adapted to a wide range of downstream tasks.

Computational Efficiency Image Captioning +6

mPLUG-2: A Modularized Multi-modal Foundation Model Across Text, Image and Video

4 code implementations1 Feb 2023 Haiyang Xu, Qinghao Ye, Ming Yan, Yaya Shi, Jiabo Ye, Yuanhong Xu, Chenliang Li, Bin Bi, Qi Qian, Wei Wang, Guohai Xu, Ji Zhang, Songfang Huang, Fei Huang, Jingren Zhou

In contrast to predominant paradigms of solely relying on sequence-to-sequence generation or encoder-based instance discrimination, mPLUG-2 introduces a multi-module composition network by sharing common universal modules for modality collaboration and disentangling different modality modules to deal with modality entanglement.

Action Classification Image Classification +7

Package Recommendation with Intra- and Inter-Package Attention Networks

3 code implementations SIGIR 2021 Chen Li, Yuanfu Lu, Wei Wang

With the booming of online social networks in the mobile internet, an emerging recommendation scenario has played a vital role in information acquisition for user, where users are no longer recommended with a single item or item list, but a combination of heterogeneous and diverse objects (called a package, e. g., a package including news, publisher, and friends viewing the news).

Recommendation Systems

LIO-SAM: Tightly-coupled Lidar Inertial Odometry via Smoothing and Mapping

1 code implementation IEEE/RSJ International Conference on Intelligent Robots and Systems 2020 Tixiao Shan, Brendan Englot, Drew Meyers, Wei Wang, Carlo Ratti, Daniela Rus

We propose a framework for tightly-coupled lidar inertial odometry via smoothing and mapping, LIO-SAM, that achieves highly accurate, real-time mobile robot trajectory estimation and map-building.

Robotics

PALM: Pre-training an Autoencoding&Autoregressive Language Model for Context-conditioned Generation

2 code implementations14 Apr 2020 Bin Bi, Chenliang Li, Chen Wu, Ming Yan, Wei Wang, Songfang Huang, Fei Huang, Luo Si

An extensive set of experiments show that PALM achieves new state-of-the-art results on a variety of language generation benchmarks covering generative question answering (Rank 1 on the official MARCO leaderboard), abstractive summarization on CNN/DailyMail as well as Gigaword, question generation on SQuAD, and conversational response generation on Cornell Movie Dialogues.

Abstractive Text Summarization Conversational Response Generation +8

VECO: Variable and Flexible Cross-lingual Pre-training for Language Understanding and Generation

1 code implementation ACL 2021 Fuli Luo, Wei Wang, Jiahao Liu, Yijia Liu, Bin Bi, Songfang Huang, Fei Huang, Luo Si

Existing work in multilingual pretraining has demonstrated the potential of cross-lingual transferability by training a unified Transformer encoder for multiple languages.

Language Modelling Question Answering +4

YUAN 2.0: A Large Language Model with Localized Filtering-based Attention

2 code implementations27 Nov 2023 Shaohua Wu, Xudong Zhao, Shenling Wang, Jiangang Luo, Lingjun Li, Xi Chen, Bing Zhao, Wei Wang, Tong Yu, Rongguo Zhang, Jiahua Zhang, Chao Wang

In this work, we develop and release Yuan 2. 0, a series of large language models with parameters ranging from 2. 1 billion to 102. 6 billion.

Code Generation Language Modelling +2

A Feasible Framework for Arbitrary-Shaped Scene Text Recognition

2 code implementations10 Dec 2019 Jinjin Zhang, Wei Wang, Di Huang, Qingjie Liu, Yunhong Wang

Deep learning based methods have achieved surprising progress in Scene Text Recognition (STR), one of classic problems in computer vision.

Instance Segmentation Language Modelling +4

RRHF: Rank Responses to Align Language Models with Human Feedback without tears

1 code implementation11 Apr 2023 Zheng Yuan, Hongyi Yuan, Chuanqi Tan, Wei Wang, Songfang Huang, Fei Huang

Reinforcement Learning from Human Feedback (RLHF) facilitates the alignment of large language models with human preferences, significantly enhancing the quality of interactions between humans and models.

Language Modelling Large Language Model

Language-agnostic BERT Sentence Embedding

6 code implementations ACL 2022 Fangxiaoyu Feng, Yinfei Yang, Daniel Cer, Naveen Arivazhagan, Wei Wang

While BERT is an effective method for learning monolingual sentence embeddings for semantic similarity and embedding based transfer learning (Reimers and Gurevych, 2019), BERT based cross-lingual sentence embeddings have yet to be explored.

Language Modelling Masked Language Modeling +11

Pedestrian Attribute Recognition via CLIP based Prompt Vision-Language Fusion

2 code implementations17 Dec 2023 Xiao Wang, Jiandong Jin, Chenglong Li, Jin Tang, Cheng Zhang, Wei Wang

In this paper, we formulate PAR as a vision-language fusion problem and fully exploit the relations between pedestrian images and attribute labels.

Attribute Contrastive Learning +2

Approximate Nearest Neighbor Search on High Dimensional Data --- Experiments, Analyses, and Improvement (v1.0)

3 code implementations8 Oct 2016 Wen Li, Ying Zhang, Yifang Sun, Wei Wang, Wenjie Zhang, Xuemin Lin

Approximate Nearest neighbor search (ANNS) is fundamental and essential operation in applications from many domains, such as databases, machine learning, multimedia, and computer vision.

Databases

How Abilities in Large Language Models are Affected by Supervised Fine-tuning Data Composition

2 code implementations9 Oct 2023 Guanting Dong, Hongyi Yuan, Keming Lu, Chengpeng Li, Mingfeng Xue, Dayiheng Liu, Wei Wang, Zheng Yuan, Chang Zhou, Jingren Zhou

We propose four intriguing research questions to explore the association between model performance and various factors including data amount, composition ratio, model size and SFT strategies.

Code Generation Instruction Following +2

Ask the Right Questions: Active Question Reformulation with Reinforcement Learning

2 code implementations ICLR 2018 Christian Buck, Jannis Bulian, Massimiliano Ciaramita, Wojciech Gajewski, Andrea Gesmundo, Neil Houlsby, Wei Wang

The agent probes the system with, potentially many, natural language reformulations of an initial question and aggregates the returned evidence to yield the best answer.

Information Retrieval Question Answering +3

Convolutional Set Matching for Graph Similarity

1 code implementation23 Oct 2018 Yunsheng Bai, Hao Ding, Yizhou Sun, Wei Wang

We introduce GSimCNN (Graph Similarity Computation via Convolutional Neural Networks) for predicting the similarity score between two graphs.

Graph Similarity set matching

ChatPLUG: Open-Domain Generative Dialogue System with Internet-Augmented Instruction Tuning for Digital Human

1 code implementation16 Apr 2023 Junfeng Tian, Hehong Chen, Guohai Xu, Ming Yan, Xing Gao, Jianhai Zhang, Chenliang Li, Jiayi Liu, Wenshen Xu, Haiyang Xu, Qi Qian, Wei Wang, Qinghao Ye, Jiejing Zhang, Ji Zhang, Fei Huang, Jingren Zhou

In this paper, we present ChatPLUG, a Chinese open-domain dialogue system for digital human applications that instruction finetunes on a wide range of dialogue tasks in a unified internet-augmented format.

World Knowledge

Additive Powers-of-Two Quantization: An Efficient Non-uniform Discretization for Neural Networks

1 code implementation ICLR 2020 Yuhang Li, Xin Dong, Wei Wang

We propose Additive Powers-of-Two~(APoT) quantization, an efficient non-uniform quantization scheme for the bell-shaped and long-tailed distribution of weights and activations in neural networks.

Computational Efficiency Quantization

BRECQ: Pushing the Limit of Post-Training Quantization by Block Reconstruction

3 code implementations ICLR 2021 Yuhang Li, Ruihao Gong, Xu Tan, Yang Yang, Peng Hu, Qi Zhang, Fengwei Yu, Wei Wang, Shi Gu

To further employ the power of quantization, the mixed precision technique is incorporated in our framework by approximating the inter-layer and intra-layer sensitivity.

Image Classification object-detection +2

Unsupervised High-Resolution Portrait Gaze Correction and Animation

1 code implementation1 Jul 2022 Jichao Zhang, Jingjing Chen, Hao Tang, Enver Sangineto, Peng Wu, Yan Yan, Nicu Sebe, Wei Wang

Solving this problem using an unsupervised method remains an open problem, especially for high-resolution face images in the wild, which are not easy to annotate with gaze and head pose labels.

Image Inpainting Vocal Bursts Intensity Prediction

Lion: Adversarial Distillation of Proprietary Large Language Models

1 code implementation22 May 2023 Yuxin Jiang, Chunkit Chan, Mingyang Chen, Wei Wang

The practice of transferring knowledge from a sophisticated, proprietary large language model (LLM) to a compact, open-source LLM has garnered considerable attention.

Instruction Following Knowledge Distillation +3

GestureGAN for Hand Gesture-to-Gesture Translation in the Wild

1 code implementation14 Aug 2018 Hao Tang, Wei Wang, Dan Xu, Yan Yan, Nicu Sebe

Therefore, this task requires a high-level understanding of the mapping between the input source gesture and the output target gesture.

Data Augmentation Generative Adversarial Network +2

Counterfactual Explanations for Face Forgery Detection via Adversarial Removal of Artifacts

2 code implementations12 Apr 2024 Yang Li, Songlin Yang, Wei Wang, Ziwen He, Bo Peng, Jing Dong

We verify the effectiveness of the proposed explanations from two aspects: (1) Counterfactual Trace Visualization: the enhanced forgery images are useful to reveal artifacts by visually contrasting the original images and two different visualization methods; (2) Transferable Adversarial Attacks: the adversarial forgery images generated by attacking the detection model are able to mislead other detection models, implying the removed artifacts are general.

Adversarial Attack counterfactual

Dual In-painting Model for Unsupervised Gaze Correction and Animation in the Wild

1 code implementation9 Aug 2020 Jichao Zhang, Jingjing Chen, Hao Tang, Wei Wang, Yan Yan, Enver Sangineto, Nicu Sebe

In this paper we address the problem of unsupervised gaze correction in the wild, presenting a solution that works without the need for precise annotations of the gaze angle and the head pose.

HyperLips: Hyper Control Lips with High Resolution Decoder for Talking Face Generation

1 code implementation9 Oct 2023 Yaosen Chen, Yu Yao, Zhiqiang Li, Wei Wang, Yanru Zhang, Han Yang, Xuming Wen

First, FaceEncoder is used to obtain latent code by extracting features from the visual face information taken from the video source containing the face frame. Then, HyperConv, which weighting parameters are updated by HyperNet with the audio features as input, will modify the latent code to synchronize the lip movement with the audio.

Talking Face Generation

Object-oriented SLAM using Quadrics and Symmetry Properties for Indoor Environments

1 code implementation11 Apr 2020 Ziwei Liao, Wei Wang, Xianyu Qi, Xiao-Yu Zhang, Lin Xue, Jianzhen Jiao, Ran Wei

As objects are often observed locally, the proposed algorithm uses the symmetrical properties of indoor artificial objects to estimate the occluded parts to obtain more accurate quadric parameters.

object-detection Object Detection

Improved Universal Sentence Embeddings with Prompt-based Contrastive Learning and Energy-based Learning

1 code implementation14 Mar 2022 Yuxin Jiang, Linhan Zhang, Wei Wang

To this end, we propose to integrate an Energy-based Hinge loss to enhance the pairwise discriminative power, inspired by the connection between the NT-Xent loss and the Energy-based Learning paradigm.

Attribute Contrastive Learning +3

Adapting by Pruning: A Case Study on BERT

1 code implementation7 May 2021 Yang Gao, Nicolo Colombo, Wei Wang

Adapting pre-trained neural models to downstream tasks has become the standard practice for obtaining high-quality models.

Structured Attention Guided Convolutional Neural Fields for Monocular Depth Estimation

1 code implementation CVPR 2018 Dan Xu, Wei Wang, Hao Tang, Hong Liu, Nicu Sebe, Elisa Ricci

Recent works have shown the benefit of integrating Conditional Random Fields (CRFs) models into deep architectures for improving pixel-level prediction tasks.

Monocular Depth Estimation

A Survey on Self-Supervised Learning for Non-Sequential Tabular Data

1 code implementation2 Feb 2024 Wei-Yao Wang, Wei-Wei Du, Derek Xu, Wei Wang, Wen-Chih Peng

Recently, SSL has been a new trend in exploring the representation learning capability in the realm of tabular data, which is more challenging due to not having explicit relations for learning descriptive representations.

Contrastive Learning Descriptive +2

Single-Stage 6D Object Pose Estimation

1 code implementation CVPR 2020 Yinlin Hu, Pascal Fua, Wei Wang, Mathieu Salzmann

Second, training the deep network relies on a surrogate loss that does not directly reflect the final 6D pose estimation task.

6D Pose Estimation 6D Pose Estimation using RGB +1

SciBench: Evaluating College-Level Scientific Problem-Solving Abilities of Large Language Models

1 code implementation20 Jul 2023 Xiaoxuan Wang, Ziniu Hu, Pan Lu, Yanqiao Zhu, Jieyu Zhang, Satyen Subramaniam, Arjun R. Loomba, Shichang Zhang, Yizhou Sun, Wei Wang

Most of the existing Large Language Model (LLM) benchmarks on scientific problem reasoning focus on problems grounded in high-school subjects and are confined to elementary algebraic operations.

Benchmarking Language Modelling +2

Improving MMD-GAN Training with Repulsive Loss Function

1 code implementation ICLR 2019 Wei Wang, Yuan Sun, Saman Halgamuge

To address this issue, we propose a repulsive loss function to actively learn the difference among the real data by simply rearranging the terms in MMD.

Image Generation

Universal Representation Learning of Knowledge Bases by Jointly Embedding Instances and Ontological Concepts

1 code implementation15 Mar 2021 Junheng Hao, Muhao Chen, Wenchao Yu, Yizhou Sun, Wei Wang

The cross-view association model is learned to bridge the embeddings of ontological concepts and their corresponding instance-view entities.

Entity Typing Knowledge Graphs +1

MUST-GAN: Multi-level Statistics Transfer for Self-driven Person Image Generation

1 code implementation CVPR 2021 Tianxiang Ma, Bo Peng, Wei Wang, Jing Dong

To deal with this problem, we propose a novel multi-level statistics transfer model, which disentangles and transfers multi-level appearance features from person images and merges them with pose features to reconstruct the source person images themselves.

Pose Transfer Style Transfer

Multi-Source Cross-Lingual Model Transfer: Learning What to Share

1 code implementation ACL 2019 Xilun Chen, Ahmed Hassan Awadallah, Hany Hassan, Wei Wang, Claire Cardie

In this work, we focus on the multilingual transfer setting where training data in multiple source languages is leveraged to further boost target language performance.

Cross-Lingual NER text-classification +2

ShuttleSHAP: A Turn-Based Feature Attribution Approach for Analyzing Forecasting Models in Badminton

1 code implementation18 Dec 2023 Wei-Yao Wang, Wen-Chih Peng, Wei Wang, Philip S. Yu

Agent forecasting systems have been explored to investigate agent patterns and improve decision-making in various domains, e. g., pedestrian predictions and marketing bidding.

Decision Making Marketing

Robust Differentiable SVD

2 code implementations8 Apr 2021 Wei Wang, Zheng Dang, Yinlin Hu, Pascal Fua, Mathieu Salzmann

Eigendecomposition of symmetric matrices is at the heart of many computer vision algorithms.

Image Classification Style Transfer

Cycle In Cycle Generative Adversarial Networks for Keypoint-Guided Image Generation

1 code implementation2 Aug 2019 Hao Tang, Dan Xu, Gaowen Liu, Wei Wang, Nicu Sebe, Yan Yan

In this work, we propose a novel Cycle In Cycle Generative Adversarial Network (C$^2$GAN) for the task of keypoint-guided image generation.

Generative Adversarial Network Image Generation

UPST-NeRF: Universal Photorealistic Style Transfer of Neural Radiance Fields for 3D Scene

1 code implementation15 Aug 2022 Yaosen Chen, Qi Yuan, Zhiqiang Li, Yuegen Liu, Wei Wang, Chaoping Xie, Xuming Wen, Qien Yu

Finally, we jointly optimize a hyper network to realize the scene photorealistic style transfer of arbitrary style images.

Style Transfer

Stereo Plane SLAM Based on Intersecting Lines

1 code implementation19 Aug 2020 Xiao-Yu Zhang, Wei Wang, Xianyu Qi, Ziwei Liao

Adding such plane features in stereo SLAM system reduces the drift error and refines the performance.

Stereo Matching

CivRealm: A Learning and Reasoning Odyssey in Civilization for Decision-Making Agents

1 code implementation19 Jan 2024 Siyuan Qi, Shuo Chen, Yexin Li, Xiangyu Kong, Junqi Wang, Bangcheng Yang, Pring Wong, Yifan Zhong, Xiaoyuan Zhang, Zhaowei Zhang, Nian Liu, Wei Wang, Yaodong Yang, Song-Chun Zhu

Within CivRealm, we provide interfaces for two typical agent types: tensor-based agents that focus on learning, and language-based agents that emphasize reasoning.

Decision Making

Fast Differentiable Matrix Square Root

1 code implementation ICLR 2022 Yue Song, Nicu Sebe, Wei Wang

Previous methods either adopt the Singular Value Decomposition (SVD) to explicitly factorize the matrix or use the Newton-Schulz iteration (NS iteration) to derive the approximate solution.

CFSNet: Toward a Controllable Feature Space for Image Restoration

1 code implementation ICCV 2019 Wei Wang, Ruiming Guo, Yapeng Tian, Wenming Yang

Deep learning methods have witnessed the great progress in image restoration with specific metrics (e. g., PSNR, SSIM).

Image Restoration Image Super-Resolution +1

DALNet: A Rail Detection Network Based on Dynamic Anchor Line

1 code implementation22 Aug 2023 Zichen Yu, Quanli Liu, Wei Wang, Liyong Zhang, Xiaoguang Zhao

In the paper, motivated by the anchor line-based lane detection methods, we propose a rail detection network called DALNet based on dynamic anchor line.

Lane Detection Position

MDERank: A Masked Document Embedding Rank Approach for Unsupervised Keyphrase Extraction

1 code implementation Findings (ACL) 2022 Linhan Zhang, Qian Chen, Wen Wang, Chong Deng, Shiliang Zhang, Bing Li, Wei Wang, Xin Cao

In this work, we propose a novel unsupervised embedding-based KPE approach, Masked Document Embedding Rank (MDERank), to address this problem by leveraging a mask strategy and ranking candidates by the similarity between embeddings of the source document and the masked document.

Contrastive Learning Document Embedding +4

D-IF: Uncertainty-aware Human Digitization via Implicit Distribution Field

1 code implementation ICCV 2023 Xueting Yang, Yihao Luo, Yuliang Xiu, Wei Wang, Hao Xu, Zhaoxin Fan

In this paper, we propose replacing the implicit value with an adaptive uncertainty distribution, to differentiate between points based on their distance to the surface.

Controllable Person Image Synthesis with Spatially-Adaptive Warped Normalization

1 code implementation31 May 2021 Jichao Zhang, Aliaksandr Siarohin, Hao Tang, Enver Sangineto, Wei Wang, Humphrey Sh, Nicu Sebe

Moreover, we propose a novel Self-Training Part Replacement (STPR) strategy to refine the model for the texture-transfer task, which improves the quality of the generated clothes and the preservation ability of non-target regions.

Image-to-Image Translation Pose Transfer +1

Fast Differentiable Matrix Square Root and Inverse Square Root

1 code implementation29 Jan 2022 Yue Song, Nicu Sebe, Wei Wang

Computing the matrix square root and its inverse in a differentiable manner is important in a variety of computer vision tasks.

Style Transfer Video Recognition

How well do Large Language Models perform in Arithmetic tasks?

1 code implementation16 Mar 2023 Zheng Yuan, Hongyi Yuan, Chuanqi Tan, Wei Wang, Songfang Huang

Large language models have emerged abilities including chain-of-thought to answer math word problems step by step.

Math

Empirical Bayes Matrix Factorization

1 code implementation20 Feb 2018 Wei Wang, Matthew Stephens

This yields a sparse EBMF approach - essentially a version of sparse FA/PCA - that automatically adapts the amount of sparsity to the data.

Methodology

Unsupervised Inductive Graph-Level Representation Learning via Graph-Graph Proximity

1 code implementation1 Apr 2019 Yunsheng Bai, Hao Ding, Yang Qiao, Agustin Marinovic, Ken Gu, Ting Chen, Yizhou Sun, Wei Wang

We introduce a novel approach to graph-level representation learning, which is to embed an entire graph into a vector space where the embeddings of two graphs preserve their graph-graph proximity.

General Classification Graph Classification +3

Intelligent Reflecting Surface Configurations for Smart Radio Using Deep Reinforcement Learning

1 code implementation11 May 2022 Wei Wang, Wei zhang

Intelligent reflecting surface (IRS) is envisioned to change the paradigm of wireless communications from "adapting to wireless channels" to "changing wireless channels".

reinforcement-learning Reinforcement Learning (RL)

Deep Discriminative Feature Learning for Accent Recognition

1 code implementation25 Nov 2020 Wei Wang, Chao Zhang, Xiaopei Wu

Accent recognition with deep learning framework is a similar work to deep speaker identification, they're both expected to give the input speech an identifiable representation.

Face Recognition Speaker Identification +3

Training and Tuning Generative Neural Radiance Fields for Attribute-Conditional 3D-Aware Face Generation

1 code implementation26 Aug 2022 Jichao Zhang, Aliaksandr Siarohin, Yahui Liu, Hao Tang, Nicu Sebe, Wei Wang

Generative Neural Radiance Fields (GNeRF) based 3D-aware GANs have demonstrated remarkable capabilities in generating high-quality images while maintaining strong 3D consistency.

Attribute Disentanglement +2

Learning-based Efficient Graph Similarity Computation via Multi-Scale Convolutional Set Matching

1 code implementation10 Sep 2018 Yunsheng Bai, Hao Ding, Yizhou Sun, Wei Wang

Since computing the exact distance/similarity between two graphs is typically NP-hard, a series of approximate methods have been proposed with a trade-off between accuracy and speed.

Clustering Combinatorial Optimization +5

Dual Generator Generative Adversarial Networks for Multi-Domain Image-to-Image Translation

1 code implementation14 Jan 2019 Hao Tang, Dan Xu, Wei Wang, Yan Yan, Nicu Sebe

State-of-the-art methods for image-to-image translation with Generative Adversarial Networks (GANs) can learn a mapping from one domain to another domain using unpaired image data.

Generative Adversarial Network Image-to-Image Translation +1

SO-SLAM: Semantic Object SLAM with Scale Proportional and Symmetrical Texture Constraints

1 code implementation10 Sep 2021 Ziwei Liao, Yutong Hu, Jiadong Zhang, Xianyu Qi, XiaoYu Zhang, Wei Wang

Object SLAM introduces the concept of objects into Simultaneous Localization and Mapping (SLAM) and helps understand indoor scenes for mobile robots and object-level interactive applications.

Object Object SLAM

Diffusion for Natural Image Matting

1 code implementation10 Dec 2023 Yihan Hu, Yiheng Lin, Wei Wang, Yao Zhao, Yunchao Wei, Humphrey Shi

However, the presence of high computational overhead and the inconsistency of noise sampling between the training and inference processes pose significant obstacles to achieving this goal.

Image Matting

Learning Gender-Neutral Word Embeddings

1 code implementation EMNLP 2018 Jieyu Zhao, Yichao Zhou, Zeyu Li, Wei Wang, Kai-Wei Chang

Word embedding models have become a fundamental component in a wide range of Natural Language Processing (NLP) applications.

Word Embeddings

Mixup for Node and Graph Classification

1 code implementation1 Jun 2021 Yiwei Wang, Wei Wang, Yuxuan Liang, Yujun Cai, Bryan Hooi

In this work, we propose the Mixup methods for two fundamental tasks in graph learning: node and graph classification.

Data Augmentation Graph Classification +2

Optimal Transport for Unsupervised Denoising Learning

1 code implementation4 Aug 2021 Wei Wang, Fei Wen, Zeyu Yan, Peilin Liu

Toward answering this question, this work proposes a criterion for unsupervised denoising learning based on the optimal transport theory.

Denoising Open-Ended Question Answering

FollowBench: A Multi-level Fine-grained Constraints Following Benchmark for Large Language Models

1 code implementation31 Oct 2023 Yuxin Jiang, YuFei Wang, Xingshan Zeng, Wanjun Zhong, Liangyou Li, Fei Mi, Lifeng Shang, Xin Jiang, Qun Liu, Wei Wang

To fill this research gap, in this paper, we propose FollowBench, a Multi-level Fine-grained Constraints Following Benchmark for LLMs.

Instruction Following

Deep Micro-Dictionary Learning and Coding Network

1 code implementation11 Sep 2018 Hao Tang, Heng Wei, Wei Xiao, Wei Wang, Dan Xu, Yan Yan, Nicu Sebe

In this paper, we propose a novel Deep Micro-Dictionary Learning and Coding Network (DDLCN).

Dictionary Learning

A Quantitative Survey of Communication Optimizations in Distributed Deep Learning

1 code implementation27 May 2020 Shaohuai Shi, Zhenheng Tang, Xiaowen Chu, Chengjian Liu, Wei Wang, Bo Li

In this article, we present a quantitative survey of communication optimization techniques for data parallel distributed DL.

Scheduling

RiDDLE: Reversible and Diversified De-identification with Latent Encryptor

1 code implementation CVPR 2023 Dongze Li, Wei Wang, Kang Zhao, Jing Dong, Tieniu Tan

This work presents RiDDLE, short for Reversible and Diversified De-identification with Latent Encryptor, to protect the identity information of people from being misused.

De-identification

Rafiki: Machine Learning as an Analytics Service System

1 code implementation PVLDB (The Proceedings of the VLDB Endowment) 2018 Wei Wang, Sheng Wang, Jinyang Gao, Meihui Zhang, Gang Chen, Teck Khim Ng, Beng Chin Ooi

Second, expertise knowledge is required to optimize the training and inference procedures in terms of efficiency and effectiveness, which imposes heavy burden on the system users.

BIG-bench Machine Learning Hyperparameter Optimization +2

Masked Jigsaw Puzzle: A Versatile Position Embedding for Vision Transformers

1 code implementation CVPR 2023 Bin Ren, Yahui Liu, Yue Song, Wei Bi, Rita Cucchiara, Nicu Sebe, Wei Wang

In particular, MJP first shuffles the selected patches via our block-wise random jigsaw puzzle shuffle algorithm, and their corresponding PEs are occluded.

Federated Learning Position

3D-Aware Semantic-Guided Generative Model for Human Synthesis

1 code implementation2 Dec 2021 Jichao Zhang, Enver Sangineto, Hao Tang, Aliaksandr Siarohin, Zhun Zhong, Nicu Sebe, Wei Wang

However, they usually struggle to generate high-quality images representing non-rigid objects, such as the human body, which is of a great interest for many computer graphics applications.

3D-Aware Image Synthesis

Learning A Coarse-to-Fine Diffusion Transformer for Image Restoration

1 code implementation17 Aug 2023 Liyan Wang, Qinyu Yang, Cong Wang, Wei Wang, Jinshan Pan, Zhixun Su

Specifically, our C2F-DFT contains diffusion self-attention (DFSA) and diffusion feed-forward network (DFN) within a new coarse-to-fine training scheme.

Deblurring Image Deblurring +4

Learning Continuous System Dynamics from Irregularly-Sampled Partial Observations

1 code implementation NeurIPS 2020 Zijie Huang, Yizhou Sun, Wei Wang

In this paper, we propose to learn system dynamics from irregularly-sampled partial observations with underlying graph structure for the first time.

Multilingual Knowledge Graph Completion with Self-Supervised Adaptive Graph Alignment

1 code implementation ACL 2022 Zijie Huang, Zheng Li, Haoming Jiang, Tianyu Cao, Hanqing Lu, Bing Yin, Karthik Subbian, Yizhou Sun, Wei Wang

In this paper, we explore multilingual KG completion, which leverages limited seed alignment as a bridge, to embrace the collective knowledge from multiple languages.

Knowledge Graph Completion

Wasserstein Adversarial Transformer for Cloud Workload Prediction

1 code implementation12 Mar 2022 Shivani Arbat, Vinodh Kumaran Jayakumar, Jaewoo Lee, Wei Wang, In Kee Kim

Understanding the job arrival rate is crucial for accurately predicting future changes in cloud workloads and proactively provisioning and de-provisioning VMs for hosting the applications.

Time Series Time Series Forecasting

NLUT: Neural-based 3D Lookup Tables for Video Photorealistic Style Transfer

1 code implementation16 Mar 2023 Yaosen Chen, Han Yang, Yuexin Yang, Yuegen Liu, Wei Wang, Xuming Wen, Chaoping Xie

However, existing methods obtain stylized video sequences by performing frame-by-frame photorealistic style transfer, which is inefficient and does not ensure the temporal consistency of the stylized video.

8k Style Transfer

Transferable Sparse Adversarial Attack

2 code implementations CVPR 2022 Ziwen He, Wei Wang, Jing Dong, Tieniu Tan

The experiment shows that our method has improved the transferability by a large margin under a similar sparsity setting compared with state-of-the-art methods.

Adversarial Attack Quantization

Towards Fine-Grained Reasoning for Fake News Detection

1 code implementation13 Sep 2021 Yiqiao Jin, Xiting Wang, Ruichao Yang, Yizhou Sun, Wei Wang, Hao Liao, Xing Xie

The detection of fake news often requires sophisticated reasoning skills, such as logically combining information by considering word-level subtle clues.

Fake News Detection

Understanding Architectures Learnt by Cell-based Neural Architecture Search

1 code implementation ICLR 2020 Yao Shu, Wei Wang, Shaofeng Cai

Neural architecture search (NAS) searches architectures automatically for given tasks, e. g., image classification and language modeling.

Image Classification Language Modelling +1

Transformer Network for Significant Stenosis Detection in CCTA of Coronary Arteries

1 code implementation7 Jul 2021 Xinghua Ma, Gongning Luo, Wei Wang, Kuanquan Wang

However, the complexity of coronary artery plaques that cause CAD makes the automatic detection of coronary artery stenosis in Coronary CT angiography (CCTA) a difficult task.

Coupled Graph ODE for Learning Interacting System Dynamics

1 code implementation ACM SIGKDD Conference on Knowledge Discovery & Data Mining 2021 Zijie Huang, Yizhou Sun, Wei Wang

On one hand, features of objects change over time, influenced by the linked objects in the interaction graph.

QAQ: Quality Adaptive Quantization for LLM KV Cache

1 code implementation7 Mar 2024 Shichen Dong, Wen Cheng, Jiayu Qin, Wei Wang

The emergence of LLMs has ignited a fresh surge of breakthroughs in NLP applications, particularly in domains such as question-answering systems and text generation.

Quantization Question Answering +1

Dynamic Malware Analysis with Feature Engineering and Feature Learning

2 code implementations17 Jul 2019 Zhaoqi Zhang, Panpan Qi, Wei Wang

In this paper, we propose a novel and low-cost feature extraction approach, and an effective deep neural network architecture for accurate and fast malware detection.

Feature Engineering Malware Analysis +1

COSPLAY: Concept Set Guided Personalized Dialogue Generation Across Both Party Personas

1 code implementation2 May 2022 Chen Xu, Piji Li, Wei Wang, Haoran Yang, Siyun Wang, Chuangbai Xiao

In this work, we propose COSPLAY(COncept Set guided PersonaLized dialogue generation Across both partY personas) that considers both parties as a "team": expressing self-persona while keeping curiosity toward the partner, leading responses around mutual personas, and finding the common ground.

Dialogue Generation

Boosting Accuracy and Robustness of Student Models via Adaptive Adversarial Distillation

1 code implementation CVPR 2023 Bo Huang, Mingyang Chen, Yi Wang, Junda Lu, Minhao Cheng, Wei Wang

Thus, recent studies concern about adversarial distillation (AD) that aims to inherit not only prediction accuracy but also adversarial robustness of a robust teacher model under the paradigm of robust optimization.

Adversarial Robustness Knowledge Distillation

TPSNet: Reverse Thinking of Thin Plate Splines for Arbitrary Shape Scene Text Representation

1 code implementation25 Oct 2021 Wei Wang, Yu Zhou, Jiahao Lv, Dayan Wu, Guoqing Zhao, Ning Jiang, Weiping Wang

The research focus of scene text detection and recognition has shifted to arbitrary shape text in recent years, where the text shape representation is a fundamental problem.

Scene Text Detection Scene Text Recognition +2

CryptoGCN: Fast and Scalable Homomorphically Encrypted Graph Convolutional Network Inference

2 code implementations24 Sep 2022 Ran Ran, Nuo Xu, Wei Wang, Gang Quan, Jieming Yin, Wujie Wen

To this end, we develop an approach that can effectively take advantage of the sparsity of matrix operations in GCN inference to significantly reduce the computational overhead.

Source-LDA: Enhancing probabilistic topic models using prior knowledge sources

1 code implementation2 Jun 2016 Justin Wood, Patrick Tan, Wei Wang, Corey Arnold

The approach taken is to complement the existing topic distributions over words with a known distribution based on a predefined set of topics.

Topic Models

TSDM: Tracking by SiamRPN++ with a Depth-refiner and a Mask-generator

1 code implementation8 May 2020 Pengyao Zhao, Quanli Liu, Wei Wang, Qiang Guo

The D-r optimizes the target bounding box estimated by SiamRPN++, based on the spatial depth distribution difference between the target and the surrounding background.

Visual Object Tracking

StyleDGPT: Stylized Response Generation with Pre-trained Language Models

1 code implementation Findings of the Association for Computational Linguistics 2020 Ze Yang, Wei Wu, Can Xu, Xinnian Liang, Jiaqi Bai, Liran Wang, Wei Wang, Zhoujun Li

Generating responses following a desired style has great potentials to extend applications of open-domain dialogue systems, yet is refrained by lacking of parallel data for training.

Response Generation Sentence

Time2Graph: Revisiting Time Series Modeling with Dynamic Shapelets

1 code implementation11 Nov 2019 Ziqiang Cheng, Yang Yang, Wei Wang, Wenjie Hu, Yueting Zhuang, Guojie Song

Time series modeling has attracted extensive research efforts; however, achieving both reliable efficiency and interpretability from a unified model still remains a challenging problem.

Graph Embedding Time Series +1

Conditional Hyper-Network for Blind Super-Resolution with Multiple Degradations

1 code implementation8 Apr 2021 Guanghao Yin, Wei Wang, Zehuan Yuan, Wei Ji, Dongdong Yu, Shouqian Sun, Tat-Seng Chua, Changhu Wang

We extract degradation prior at task-level with the proposed ConditionNet, which will be used to adapt the parameters of the basic SR network (BaseNet).

Blind Super-Resolution Image Super-Resolution

RankFeat: Rank-1 Feature Removal for Out-of-distribution Detection

1 code implementation18 Sep 2022 Yue Song, Nicu Sebe, Wei Wang

The task of out-of-distribution (OOD) detection is crucial for deploying machine learning models in real-world settings.

Out-of-Distribution Detection

RankFeat&RankWeight: Rank-1 Feature/Weight Removal for Out-of-distribution Detection

1 code implementation23 Nov 2023 Yue Song, Nicu Sebe, Wei Wang

This observation motivates us to propose \texttt{RankFeat}, a simple yet effective \emph{post hoc} approach for OOD detection by removing the rank-1 matrix composed of the largest singular value and the associated singular vectors from the high-level feature.

Out-of-Distribution Detection Out of Distribution (OOD) Detection

Fixed-Parameter Tractable Sampling for RNA Design with Multiple Target Structures

2 code implementations3 Apr 2018 Stefan Hammer, Yann Ponty, Wei Wang, Sebastian Will

The design of multi-stable RNA molecules has important applications in biology, medicine, and biotechnology.

Quantitative Methods

Cascade Attention Guided Residue Learning GAN for Cross-Modal Translation

1 code implementation3 Jul 2019 Bin Duan, Wei Wang, Hao Tang, Hugo Latapie, Yan Yan

However, in machine learning, this cross-modal learning is a nontrivial task because different modalities have no homogeneous properties.

BIG-bench Machine Learning Translation

Motion Prediction Using Temporal Inception Module

1 code implementation6 Oct 2020 Tim Lebailly, Sena Kiciroglu, Mathieu Salzmann, Pascal Fua, Wei Wang

We argue that the diverse temporal scales are important as they allow us to look at the past frames with different receptive fields, which can lead to better predictions.

Autonomous Driving Human motion prediction +1

Learning Deep Network Representations with Adversarially Regularized Autoencoders

1 code implementation ACM SIGKDD International Conference on Knowledge Discovery & Data Mining 2018 Wenchao Yu, Cheng Zheng, Wei Cheng, Charu C. Aggarwal, Dongjin Song, Bo Zong, Haifeng Chen, Wei Wang

The problem of network representation learning, also known as network embedding, arises in many machine learning tasks assuming that there exist a small number of variabilities in the vertex representations which can capture the "semantics" of the original network structure.

Link Prediction Multi-Label Classification +1

Batch-efficient EigenDecomposition for Small and Medium Matrices

1 code implementation9 Jul 2022 Yue Song, Nicu Sebe, Wei Wang

EigenDecomposition (ED) is at the heart of many computer vision algorithms and applications.

Image Generation

Drug-Target Interaction Prediction with Graph Attention networks

1 code implementation10 Jul 2021 Haiyang Wang, Guangyu Zhou, SiQi Liu, Jyun-Yu Jiang, Wei Wang

For better learning and interpreting the DTI topological structure and the similarity, it is desirable to have methods specifically for predicting interactions from the graph structure.

Graph Attention

FLASHE: Additively Symmetric Homomorphic Encryption for Cross-Silo Federated Learning

1 code implementation2 Sep 2021 Zhifeng Jiang, Wei Wang, Yang Liu

Homomorphic encryption (HE) is a promising privacy-preserving technique for cross-silo federated learning (FL), where organizations perform collaborative model training on decentralized data.

Federated Learning Privacy Preserving

PIMNet: A Parallel, Iterative and Mimicking Network for Scene Text Recognition

1 code implementation9 Sep 2021 Zhi Qiao, Yu Zhou, Jin Wei, Wei Wang, Yuan Zhang, Ning Jiang, Hongbin Wang, Weiping Wang

In this paper, we propose a Parallel, Iterative and Mimicking Network (PIMNet) to balance accuracy and efficiency.

Scene Text Recognition

Derivative Delay Embedding: Online Modeling of Streaming Time Series

1 code implementation24 Sep 2016 Zhifei Zhang, Yang song, Wei Wang, Hairong Qi

The staggering amount of streaming time series coming from the real world calls for more efficient and effective online modeling solution.

General Classification Time Series +1

Lightweight Feature Fusion Network for Single Image Super-Resolution

2 code implementations15 Feb 2019 Wenming Yang, Wei Wang, Xuechen Zhang, Shuifa Sun, Qingmin Liao

Specifically, a spindle block is composed of a dimension extension unit, a feature exploration unit and a feature refinement unit.

Image Super-Resolution

Learning to Discriminate Perturbations for Blocking Adversarial Attacks in Text Classification

1 code implementation IJCNLP 2019 Yichao Zhou, Jyun-Yu Jiang, Kai-Wei Chang, Wei Wang

To identify adversarial attacks, a perturbation discriminator validates how likely a token in the text is perturbed and provides a set of potential perturbations.

Blocking General Classification +3

Improving Contrastive Learning of Sentence Embeddings with Case-Augmented Positives and Retrieved Negatives

1 code implementation6 Jun 2022 Wei Wang, Liangzhu Ge, Jingqiao Zhang, Cheng Yang

Following SimCSE, contrastive learning based methods have achieved the state-of-the-art (SOTA) performance in learning sentence embeddings.

Attribute Contrastive Learning +5

Householder Projector for Unsupervised Latent Semantics Discovery

1 code implementation ICCV 2023 Yue Song, Jichao Zhang, Nicu Sebe, Wei Wang

Generative Adversarial Networks (GANs), especially the recent style-based generators (StyleGANs), have versatile semantics in the structured latent space.

Learning to Edit: Aligning LLMs with Knowledge Editing

1 code implementation19 Feb 2024 Yuxin Jiang, YuFei Wang, Chuhan Wu, Wanjun Zhong, Xingshan Zeng, Jiahui Gao, Liangyou Li, Xin Jiang, Lifeng Shang, Ruiming Tang, Qun Liu, Wei Wang

Knowledge editing techniques, aiming to efficiently modify a minor proportion of knowledge in large language models (LLMs) without negatively impacting performance across other inputs, have garnered widespread attention.

knowledge editing Philosophy

Predicting Aqueous Solubility of Organic Molecules Using Deep Learning Models with Varied Molecular Representations

1 code implementation26 May 2021 Gihan Panapitiya, Michael Girard, Aaron Hollas, Vijay Murugesan, Wei Wang, Emily Saldanha

Determining the aqueous solubility of molecules is a vital step in many pharmaceutical, environmental, and energy storage applications.

Transfer Learning

Code Recommendation for Open Source Software Developers

1 code implementation15 Oct 2022 Yiqiao Jin, Yunsheng Bai, Yanqiao Zhu, Yizhou Sun, Wei Wang

In this paper, we formulate the novel problem of code recommendation, whose purpose is to predict the future contribution behaviors of developers given their interaction history, the semantic features of source code, and the hierarchical file structures of projects.

Graph Mining Recommendation Systems +1

A deep network for sinogram and CT image reconstruction

1 code implementation20 Jan 2020 Wei Wang, Xiang-Gen Xia, Chuanjiang He, Zemin Ren, Jian Lu, Tianfu Wang, Baiying Lei

A CT image can be well reconstructed when the sampling rate of the sinogram satisfies the Nyquist criteria and the sampled signal is noise-free.

Denoising Image Reconstruction +1

AnomalyHop: An SSL-based Image Anomaly Localization Method

1 code implementation8 May 2021 Kaitai Zhang, Bin Wang, Wei Wang, Fahad Sohrab, Moncef Gabbouj, C. -C. Jay Kuo

An image anomaly localization method based on the successive subspace learning (SSL) framework, called AnomalyHop, is proposed in this work.

Benchmarking

Synthetic Data Supervised Salient Object Detection

1 code implementation25 Oct 2022 Zhenyu Wu, Lin Wang, Wei Wang, Tengfei Shi, Chenglizhao Chen, Aimin Hao, Shuo Li

In this paper, we propose a novel yet effective method for SOD, coined SODGAN, which can generate infinite high-quality image-mask pairs requiring only a few labeled data, and these synthesized pairs can replace the human-labeled DUTS-TR to train any off-the-shelf SOD model.

Code Generation Object +3

A Generative Approach for Script Event Prediction via Contrastive Fine-tuning

1 code implementation7 Dec 2022 Fangqi Zhu, Jun Gao, Changlong Yu, Wei Wang, Chen Xu, Xin Mu, Min Yang, Ruifeng Xu

First, the pretrained language models adopted by current works ignore event-level knowledge, resulting in an inability to capture the correlations between events well.

Language Modelling

Improving Covariance Conditioning of the SVD Meta-layer by Orthogonality

1 code implementation5 Jul 2022 Yue Song, Nicu Sebe, Wei Wang

Inserting an SVD meta-layer into neural networks is prone to make the covariance ill-conditioned, which could harm the model in the training stability and generalization abilities.

Orthogonal SVD Covariance Conditioning and Latent Disentanglement

1 code implementation11 Dec 2022 Yue Song, Nicu Sebe, Wei Wang

Extensive experiments on visual recognition demonstrate that our methods can simultaneously improve covariance conditioning and generalization.

Disentanglement

ECGadv: Generating Adversarial Electrocardiogram to Misguide Arrhythmia Classification System

1 code implementation12 Jan 2019 Huangxun Chen, Chenyu Huang, Qianyi Huang, Qian Zhang, Wei Wang

Deep neural networks (DNNs)-powered Electrocardiogram (ECG) diagnosis systems recently achieve promising progress to take over tedious examinations by cardiologists.

Classification General Classification

Attribute-Guided Sketch Generation

1 code implementation28 Jan 2019 Hao Tang, Xinya Chen, Wei Wang, Dan Xu, Jason J. Corso, Nicu Sebe, Yan Yan

To this end, we propose a novel Attribute-Guided Sketch Generative Adversarial Network (ASGAN) which is an end-to-end framework and contains two pairs of generators and discriminators, one of which is used to generate faces with attributes while the other one is employed for image-to-sketch translation.

Attribute Generative Adversarial Network +1

Global and Local Hierarchy-aware Contrastive Framework for Implicit Discourse Relation Recognition

1 code implementation25 Nov 2022 Yuxin Jiang, Linhan Zhang, Wei Wang

Due to the absence of explicit connectives, implicit discourse relation recognition (IDRR) remains a challenging task in discourse analysis.

Contrastive Learning Multi-Task Learning +1

Position-prior Clustering-based Self-attention Module for Knee Cartilage Segmentation

1 code implementation21 Jun 2022 Dong Liang, Jun Liu, Kuanquan Wang, Gongning Luo, Wei Wang, Shuo Li

The morphological changes in knee cartilage (especially femoral and tibial cartilages) are closely related to the progression of knee osteoarthritis, which is expressed by magnetic resonance (MR) images and assessed on the cartilage segmentation results.

Clustering Position +1

DeAR: Accelerating Distributed Deep Learning with Fine-Grained All-Reduce Pipelining

1 code implementation24 Feb 2023 Lin Zhang, Shaohuai Shi, Xiaowen Chu, Wei Wang, Bo Li, Chengjian Liu

Communication scheduling has been shown to be effective in accelerating distributed training, which enables all-reduce communications to be overlapped with backpropagation computations.

Scheduling

DeepFirearm: Learning Discriminative Feature Representation for Fine-grained Firearm Retrieval

1 code implementation8 Jun 2018 Jiedong Hao, Jing Dong, Wei Wang, Tieniu Tan

There are great demands for automatically regulating inappropriate appearance of shocking firearm images in social media or identifying firearm types in forensics.

Image Retrieval Retrieval

Learning Pose-invariant 3D Object Reconstruction from Single-view Images

1 code implementation3 Apr 2020 Bo Peng, Wei Wang, Jing Dong, Tieniu Tan

Learning to reconstruct 3D shapes using 2D images is an active research topic, with benefits of not requiring expensive 3D data.

3D Object Reconstruction Domain Adaptation

PointLoc: Deep Pose Regressor for LiDAR Point Cloud Localization

2 code implementations5 Mar 2020 Wei Wang, Bing Wang, Peijun Zhao, Changhao Chen, Ronald Clark, Bo Yang, Andrew Markham, Niki Trigoni

In this paper, we present a novel end-to-end learning-based LiDAR relocalization framework, termed PointLoc, which infers 6-DoF poses directly using only a single point cloud as input, without requiring a pre-built map.

Robotics

Foresee What You Will Learn: Data Augmentation for Domain Generalization in Non-stationary Environment

1 code implementation19 Jan 2023 Qiuhao Zeng, Wei Wang, Fan Zhou, Charles Ling, Boyu Wang

In this paper, we formulate such problems as Evolving Domain Generalization, where a model aims to generalize well on a target domain by discovering and leveraging the evolving pattern of the environment.

Data Augmentation Evolving Domain Generalization +1

TLNets: Transformation Learning Networks for long-range time-series prediction

1 code implementation25 May 2023 Wei Wang, Yang Liu, Hao Sun

Note that the FT and SVD blocks are capable of learning global information, while the Conv blocks focus on learning local information.

Time Series Time Series Forecasting +1

Recommending Themes for Ad Creative Design via Visual-Linguistic Representations

1 code implementation20 Jan 2020 Yichao Zhou, Shaunak Mishra, Manisha Verma, Narayan Bhamidipati, Wei Wang

There is a perennial need in the online advertising industry to refresh ad creatives, i. e., images and text used for enticing online users towards a brand.

Question Answering Recommendation Systems +2

Cross-Domain Cross-Set Few-Shot Learning via Learning Compact and Aligned Representations

1 code implementation16 Jul 2022 Wentao Chen, Zhang Zhang, Wei Wang, Liang Wang, Zilei Wang, Tieniu Tan

Different from previous cross-domain FSL work (CD-FSL) that considers the domain shift between base and novel classes, the new problem, termed cross-domain cross-set FSL (CDSC-FSL), requires few-shot learners not only to adapt to the new domain, but also to be consistent between different domains within each novel class.

Few-Shot Learning

Deep Learning for Single Image Super-Resolution: A Brief Review

1 code implementation9 Aug 2018 Wenming Yang, Xuechen Zhang, Yapeng Tian, Wei Wang, Jing-Hao Xue

Single image super-resolution (SISR) is a notoriously challenging ill-posed problem, which aims to obtain a high-resolution (HR) output from one of its low-resolution (LR) versions.

Efficient Neural Network Image Super-Resolution

LCSCNet: Linear Compressing Based Skip-Connecting Network for Image Super-Resolution

1 code implementation9 Sep 2019 Wenming Yang, Xuechen Zhang, Yapeng Tian, Wei Wang, Jing-Hao Xue, Qingmin Liao

In this paper, we develop a concise but efficient network architecture called linear compressing based skip-connecting network (LCSCNet) for image super-resolution.

Image Super-Resolution

Representation and Correlation Enhanced Encoder-Decoder Framework for Scene Text Recognition

1 code implementation13 Jun 2021 Mengmeng Cui, Wei Wang, Jinjin Zhang, Liang Wang

However, for the current state-of-the-art(SOTA) methods, there is room for improvement in terms of the efficient usage of local visual and global context information of the input text image, as well as the robust correlation between the scene processing module(encoder) and the text processing module(decoder).

Scene Text Recognition

How to best use Syntax in Semantic Role Labelling

1 code implementation ACL 2019 Yufei Wang, Mark Johnson, Stephen Wan, Yifang Sun, Wei Wang

There are many different ways in which external information might be used in an NLP task.

Semantic Role Labeling

Degree-Aware Alignment for Entities in Tail

1 code implementation25 May 2020 Weixin Zeng, Xiang Zhao, Wei Wang, Jiuyang Tang, Zhen Tan

Entity alignment (EA) is to discover equivalent entities in knowledge graphs (KGs), which bridges heterogeneous sources of information and facilitates the integration of knowledge.

Entity Alignment Knowledge Graphs +1

PI-Trans: Parallel-ConvMLP and Implicit-Transformation Based GAN for Cross-View Image Translation

1 code implementation9 Jul 2022 Bin Ren, Hao Tang, Yiming Wang, Xia Li, Wei Wang, Nicu Sebe

For semantic-guided cross-view image translation, it is crucial to learn where to sample pixels from the source view image and where to reallocate them guided by the target view semantic map, especially when there is little overlap or drastic view difference between the source and target images.

Generative Adversarial Network

Linear-scaling kernels for protein sequences and small molecules outperform deep learning while providing uncertainty quantitation and improved interpretability

2 code implementations7 Feb 2023 Jonathan Parkinson, Wei Wang

We compare the performance of xGPR with the reported performance of various deep learning models on 20 benchmarks, including small molecule, protein sequence and tabular data.

Data Visualization Drug Discovery +2

Bi-Level Attention Graph Neural Networks

1 code implementation23 Apr 2023 Roshni G. Iyer, Wei Wang, Yizhou Sun

Recent graph neural networks (GNNs) with the attention mechanism have historically been limited to small-scale homogeneous graphs (HoGs).

Graph Attention Relation

Dynamically Instance-Guided Adaptation: A Backward-Free Approach for Test-Time Domain Adaptive Semantic Segmentation

1 code implementation CVPR 2023 Wei Wang, Zhun Zhong, Weijie Wang, Xi Chen, Charles Ling, Boyu Wang, Nicu Sebe

In this paper, we study the application of Test-time domain adaptation in semantic segmentation (TTDA-Seg) where both efficiency and effectiveness are crucial.

Domain Adaptation Semantic Segmentation

Learning by Analogy: Diverse Questions Generation in Math Word Problem

1 code implementation15 Jun 2023 ZiHao Zhou, Maizhen Ning, Qiufeng Wang, Jie Yao, Wei Wang, Xiaowei Huang, Kaizhu Huang

We then feed them to a question generator together with the scenario to obtain the corresponding diverse questions, forming a new MWP with a variety of questions and equations.

Math

PGraphDTA: Improving Drug Target Interaction Prediction using Protein Language Models and Contact Maps

1 code implementation Neural Information Processing Systems 2023 AI for Science: from Theory to Practice Workshop 2023 Rakesh Bal, Yijia Xiao, Wei Wang

Through extensive experimentation, we demonstrate that our proposed approaches outperform the baseline models considered in this study, presenting a compelling case for further development in this direction.

 Ranked #1 on on DAVIS-DTA

Binary Classification Drug Discovery +1

Bongard-OpenWorld: Few-Shot Reasoning for Free-form Visual Concepts in the Real World

1 code implementation16 Oct 2023 Rujie Wu, Xiaojian Ma, Zhenliang Zhang, Wei Wang, Qing Li, Song-Chun Zhu, Yizhou Wang

We even conceived a neuro-symbolic reasoning approach that reconciles LLMs & VLMs with logical reasoning to emulate the human problem-solving process for Bongard Problems.

Few-Shot Learning Logical Reasoning +1

Hierarchical Attention Models for Multi-Relational Graphs

1 code implementation14 Apr 2024 Roshni G. Iyer, Wei Wang, Yizhou Sun

BR-GCN models use bi-level attention to learn node embeddings through (1) node-level attention, and (2) relation-level attention.

Graph Attention Link Prediction +2

"The Boating Store Had Its Best Sail Ever": Pronunciation-attentive Contextualized Pun Recognition

1 code implementation29 Apr 2020 Yichao Zhou, Jyun-Yu Jiang, Jieyu Zhao, Kai-Wei Chang, Wei Wang

In this paper, we propose Pronunciation-attentive Contextualized Pun Recognition (PCPR) to perceive human humor, detect if a sentence contains puns and locate them in the sentence.

Sentence

Powering Comparative Classification with Sentiment Analysis via Domain Adaptive Knowledge Transfer

1 code implementation EMNLP 2021 Zeyu Li, Yilong Qin, Zihan Liu, Wei Wang

We study Comparative Preference Classification (CPC) which aims at predicting whether a preference comparison exists between two entities in a given sentence and, if so, which entity is preferred over the other.

Question Answering Sentence +2

A Recurrent Model for Collective Entity Linking with Adaptive Features

1 code implementation AAAI 2020 Xiaoling Zhou, Yukai Miao, Wei Wang, Jianbin Qin

Traditional machine learning based methods for NED were outperformed and made obsolete by the state-of-the-art deep learning based models.

Entity Disambiguation Entity Linking +1

Gotta: Generative Few-shot Question Answering by Prompt-based Cloze Data Augmentation

1 code implementation7 Jun 2023 Xiusi Chen, Yu Zhang, Jinliang Deng, Jyun-Yu Jiang, Wei Wang

Few-shot question answering (QA) aims at precisely discovering answers to a set of questions from context passages while only a few training samples are available.

Data Augmentation Question Answering

Contextual Regression: An Accurate and Conveniently Interpretable Nonlinear Model for Mining Discovery from Scientific Data

1 code implementation30 Oct 2017 Chengyu Liu, Wei Wang

We demonstrate its high prediction accuracy and sensitivity through the task of predictive feature selection on a simulated dataset and the application of predicting open chromatin sites in the human genome.

feature selection Network Embedding +1

Scalable K-FAC Training for Deep Neural Networks with Distributed Preconditioning

1 code implementation30 Jun 2022 Lin Zhang, Shaohuai Shi, Wei Wang, Bo Li

The second-order optimization methods, notably the D-KFAC (Distributed Kronecker Factored Approximate Curvature) algorithms, have gained traction on accelerating deep neural network (DNN) training on GPU clusters.

BotHawk: An Approach for Bots Detection in Open Source Software Projects

1 code implementation25 Jul 2023 Fenglin Bi, Zhiwei Zhu, Wei Wang, Xiaoya Xia, Hassan Ali Khan, Peng Pu

Identifying bot accounts and behavior is a challenging task in the OSS project.

Unsupervised Decomposition Networks for Bias Field Correction in MR Image

1 code implementation30 Jul 2023 Dong Liang, Xingyu Qiu, Kuanquan Wang, Gongning Luo, Wei Wang, Yashu Liu

Many retrospective algorithms were developed to facilitate the bias correction, to which the deep learning-based methods outperformed.

Image Segmentation Segmentation +1

Bidirectional Alignment for Domain Adaptive Detection with Transformers

1 code implementation ICCV 2023 Liqiang He, Wei Wang, Albert Chen, Min Sun, Cheng-Hao Kuo, Sinisa Todorovic

We propose a Bidirectional Alignment for domain adaptive Detection with Transformers (BiADT) to improve cross domain object detection performance.

Object object-detection +1

Dataset Distillation via Adversarial Prediction Matching

1 code implementation14 Dec 2023 Mingyang Chen, Bo Huang, Junda Lu, Bing Li, Yi Wang, Minhao Cheng, Wei Wang

This ensures the memory efficiency of our method and provides a flexible tradeoff between time and memory budgets, allowing us to distil ImageNet-1K using a minimum of only 6. 5GB of GPU memory.

Kinship Identification through Joint Learning Using Kinship Verification Ensembles

1 code implementation ECCV 2020 Wei Wang, ShaoDi You, Sezer Karaoglu, Theo Gevers

The experiments further show significant performance improvement of kinship verification when trained on the same dataset with more realistic distributions.

Kinship Verification

Bio-JOIE: Joint Representation Learning of Biological Knowledge Bases

1 code implementation7 Mar 2021 Junheng Hao, Chelsea Ju, Muhao Chen, Yizhou Sun, Carlo Zaniolo, Wei Wang

Leveraging a wide-range of biological knowledge, such as gene ontology and protein-protein interaction (PPI) networks from other closely related species presents a vital approach to infer the molecular impact of a new species.

Representation Learning Type prediction

Dual-Geometric Space Embedding Model for Two-View Knowledge Graphs

1 code implementation19 Sep 2022 Roshni G. Iyer, Yunsheng Bai, Wei Wang, Yizhou Sun

For works that seek to put both views of the KG together, the instance and ontology views are assumed to belong to the same geometric space, such as all nodes embedded in the same Euclidean space or non-Euclidean product space, an assumption no longer reasonable for two-view KGs where different portions of the graph exhibit different structures.

Knowledge Graphs Vocal Bursts Valence Prediction

What Is the Best Practice for CNNs Applied to Visual Instance Retrieval?

1 code implementation5 Nov 2016 Jiedong Hao, Jing Dong, Wei Wang, Tieniu Tan

Based on the evaluation results, we also identify the best choices for different factors and propose a new multi-scale image feature representation method to encode the image effectively.

Image Retrieval Retrieval

Symmetric Regularization based BERT for Pair-wise Semantic Reasoning

1 code implementation8 Sep 2019 Weidi Xu, Xingyi Cheng, Kunlong Chen, Wei Wang, Bin Bi, Ming Yan, Chen Wu, Luo Si, Wei Chu, Taifeng Wang

To remedy this, we propose to augment the NSP task to a 3-class categorization task, which includes a category for previous sentence prediction (PSP).

Machine Reading Comprehension Natural Language Inference +2

Self Organizing Nebulous Growths for Robust and Incremental Data Visualization

1 code implementation9 Dec 2019 Damith Senanayake, Wei Wang, Shalin H. Naik, Saman Halgamuge

In addition, SONG is capable of handling new data increments, no matter whether they are similar or heterogeneous to the already observed data distribution.

Data Visualization Dimensionality Reduction

Progressive Cluster Purification for Unsupervised Feature Learning

1 code implementation6 Jul 2020 Yifei Zhang, Chang Liu, Yu Zhou, Wei Wang, Weiping Wang, Qixiang Ye

In this work, we propose a novel clustering based method, which, by iteratively excluding class inconsistent samples during progressive cluster formation, alleviates the impact of noise samples in a simple-yet-effective manner.

Clustering Specificity

A model-guided deep network for limited-angle computed tomography

1 code implementation10 Aug 2020 Wei Wang, Xiang-Gen Xia, Chuanjiang He, Zemin Ren, Jian Lu, Tianfu Wang, Baiying Lei

In this paper, we first propose a variational model for the limited-angle computed tomography (CT) image reconstruction and then convert the model into an end-to-end deep network. We use the penalty method to solve the model and divide it into three iterative subproblems, where the first subproblem completes the sinograms by utilizing the prior information of sinograms in the frequency domain and the second refines the CT images by using the prior information of CT images in the spatial domain, and the last merges the outputs of the first two subproblems.

Computed Tomography (CT) Image Reconstruction

Neural network facilitated ab initio derivation of linear formula: A case study on formulating the relationship between DNA motifs and gene expression

1 code implementation19 Aug 2022 Chengyu Liu, Wei Wang

We showed that this linear model could predict gene expression levels using promoter sequences with a performance comparable to deep neural network models.

Object Detectors in the Open Environment: Challenges, Solutions, and Outlook

1 code implementation24 Mar 2024 Siyuan Liang, Wei Wang, Ruoyu Chen, Aishan Liu, Boxi Wu, Ee-Chien Chang, Xiaochun Cao, DaCheng Tao

This paper aims to bridge this gap by conducting a comprehensive review and analysis of object detectors in open environments.

Incremental Learning Object

Semi-Dynamic Load Balancing: Efficient Distributed Learning in Non-Dedicated Environments

no code implementations7 Jun 2018 Chen Chen, Qizhen Weng, Wei Wang, Baochun Li, Bo Li

Efficient model training requires eliminating such stragglers, yet for modern ML workloads, existing load balancing strategies are inefficient and even infeasible.

Pose-Based Two-Stream Relational Networks for Action Recognition in Videos

no code implementations22 May 2018 Wei Wang, Jinjin Zhang, Chenyang Si, Liang Wang

Second, few pose-based methods model the action-related objects in recognizing human-object interaction actions in which objects play an important role.

Action Recognition In Videos Human-Object Interaction Detection +2

Network Reconstruction and Controlling Based on Structural Regularity Analysis

no code implementations20 May 2018 Tao Wu, Shaojie Qiao, Xingping Xian, Xi-Zhao Wang, Wei Wang, Yanbing Liu

In addition, the model is capable of measuring the importance of microscopic network elements, i. e., nodes and links, in terms of network regularity thereby allowing us to regulate the reconstructability of networks based on them.

PANDA: Facilitating Usable AI Development

no code implementations26 Apr 2018 Jinyang Gao, Wei Wang, Meihui Zhang, Gang Chen, H. V. Jagadish, Guoliang Li, Teck Khim Ng, Beng Chin Ooi, Sheng Wang, Jingren Zhou

In many complex applications such as healthcare, subject matter experts (e. g. Clinicians) are the ones who appreciate the importance of features that affect health, and their knowledge together with existing knowledge bases are critical to the end results.

Autonomous Driving

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