Search Results for author: Yifan Wang

Found 99 papers, 31 papers with code

End-to-End Image Super-Resolution via Deep and Shallow Convolutional Networks

no code implementations26 Jul 2016 Yifan Wang, Lijun Wang, Hongyu Wang, Peihua Li

In this paper, we seek an alternative and propose a new image SR method, which jointly learns the feature extraction, upsampling and HR reconstruction modules, yielding a completely end-to-end trainable deep CNN.

Image Super-Resolution

(2,2) Superconformal Bootstrap in Two Dimensions

no code implementations17 Oct 2016 Ying-Hsuan Lin, Shu-Heng Shao, Yifan Wang, Xi Yin

We find a simple relation between two-dimensional BPS N=2 superconformal blocks and bosonic Virasoro conformal blocks, which allows us to analyze the crossing equations for BPS 4-point functions in unitary (2, 2) superconformal theories numerically with semidefinite programming.

High Energy Physics - Theory

MarrNet: 3D Shape Reconstruction via 2.5D Sketches

no code implementations NeurIPS 2017 Jiajun Wu, Yifan Wang, Tianfan Xue, Xingyuan Sun, William T. Freeman, Joshua B. Tenenbaum

First, compared to full 3D shape, 2. 5D sketches are much easier to be recovered from a 2D image; models that recover 2. 5D sketches are also more likely to transfer from synthetic to real data.

3D Object Reconstruction From A Single Image 3D Reconstruction +3

Identifying Outlier Arms in Multi-Armed Bandit

no code implementations NeurIPS 2017 Honglei Zhuang, Chi Wang, Yifan Wang

Outlier detection is a powerful method to narrow down the attention to a few objects after the data for them are collected.

Outlier Detection

CAVBench: A Benchmark Suite for Connected and Autonomous Vehicles

no code implementations15 Oct 2018 Yifan Wang, Shaoshan Liu, Xiaopei Wu, Weisong Shi

Meanwhile, several pioneer efforts have focused on the edge computing system and architecture design for the CAVs scenario and provided various heterogeneous platform prototypes for CAVs.

Distributed, Parallel, and Cluster Computing Performance

Modeling and Predicting Citation Count via Recurrent Neural Network with Long Short-Term Memory

no code implementations6 Nov 2018 Sha Yuan, Jie Tang, Yu Zhang, Yifan Wang, Tong Xiao

The rapid evolution of scientific research has been creating a huge volume of publications every year.

Digital Libraries Physics and Society

Dual Principal Component Pursuit: Improved Analysis and Efficient Algorithms

no code implementations NeurIPS 2018 Zhihui Zhu, Yifan Wang, Daniel Robinson, Daniel Naiman, Rene Vidal, Manolis Tsakiris

However, its geometric analysis is based on quantities that are difficult to interpret and are not amenable to statistical analysis.

Dual Principal Component Pursuit: Probability Analysis and Efficient Algorithms

no code implementations24 Dec 2018 Zhihui Zhu, Yifan Wang, Daniel P. Robinson, Daniel Q. Naiman, Rene Vidal, Manolis C. Tsakiris

However, its geometric analysis is based on quantities that are difficult to interpret and are not amenable to statistical analysis.

Session-based Social Recommendation via Dynamic Graph Attention Networks

2 code implementations25 Feb 2019 Weiping Song, Zhiping Xiao, Yifan Wang, Laurent Charlin, Ming Zhang, Jian Tang

However, recommendation in online communities is a challenging problem: 1) users' interests are dynamic, and 2) users are influenced by their friends.

 Ranked #1 on Recommendation Systems on Douban (NDCG metric)

Graph Attention Recommendation Systems

OpenEI: An Open Framework for Edge Intelligence

no code implementations5 Jun 2019 Xingzhou Zhang, Yifan Wang, Sidi Lu, Liangkai Liu, Lanyu Xu, Weisong Shi

At the same time, we have witnessed the proliferation of AI algorithms and models which accelerate the successful deployment of intelligence mainly in cloud services.

Edge-computing

pCAMP: Performance Comparison of Machine Learning Packages on the Edges

no code implementations5 Jun 2019 Xingzhou Zhang, Yifan Wang, Weisong Shi

However, little research has been done to evaluate these packages on the edges, making it difficult for end users to select an appropriate pair of software and hardware.

Attribute BIG-bench Machine Learning

PointHop++: A Lightweight Learning Model on Point Sets for 3D Classification

2 code implementations9 Feb 2020 Min Zhang, Yifan Wang, Pranav Kadam, Shan Liu, C. -C. Jay Kuo

The PointHop method was recently proposed by Zhang et al. for 3D point cloud classification with unsupervised feature extraction.

3D Classification 3D Point Cloud Classification +2

Attention: to Better Stand on the Shoulders of Giants

no code implementations27 May 2020 Sha Yuan, Zhou Shao, Yu Zhang, Xingxing Wei, Tong Xiao, Yifan Wang, Jie Tang

In the progress of science, the previously discovered knowledge principally inspires new scientific ideas, and citation is a reasonably good reflection of this cumulative nature of scientific research.

People as Scene Probes

no code implementations ECCV 2020 Yifan Wang, Brian Curless, Steve Seitz

By analyzing the motion of people and other objects in a scene, we demonstrate how to infer depth, occlusion, lighting, and shadow information from video taken from a single camera viewpoint.

Depth Estimation

FaceHop: A Light-Weight Low-Resolution Face Gender Classification Method

no code implementations18 Jul 2020 Mozhdeh Rouhsedaghat, Yifan Wang, Xiou Ge, Shuowen Hu, Suya You, C. -C. Jay Kuo

For gray-scale face images of resolution $32 \times 32$ in the LFW and the CMU Multi-PIE datasets, FaceHop achieves correct gender classification rates of 94. 63% and 95. 12% with model sizes of 16. 9K and 17. 6K parameters, respectively.

Classification Gender Classification +1

VC-Net: Deep Volume-Composition Networks for Segmentation and Visualization of Highly Sparse and Noisy Image Data

no code implementations14 Sep 2020 Yifan Wang, Guoli Yan, Haikuan Zhu, Sagar Buch, Ying Wang, Ewart Mark Haacke, Jing Hua, Zichun Zhong

A multi-stream convolutional neural network is proposed to learn the 3D volume and 2D MIP features respectively and then explore their inter-dependencies in a joint volume-composition embedding space by unprojecting the MIP features into 3D volume embedding space.

Low-Resolution Face Recognition In Resource-Constrained Environments

no code implementations23 Nov 2020 Mozhdeh Rouhsedaghat, Yifan Wang, Shuowen Hu, Suya You, C. -C. Jay Kuo

A non-parametric low-resolution face recognition model for resource-constrained environments with limited networking and computing is proposed in this work.

Active Learning Face Recognition

Surface Defect, Anomalies and $b$-Extremization

no code implementations11 Dec 2020 Yifan Wang

The $b$-theorem states that $b$ must monotonically decrease under defect RG flows and was proven by coupling to a spurious defect dilaton.

High Energy Physics - Theory

Anomalous Symmetries End at the Boundary

no code implementations31 Dec 2020 Ryan Thorngren, Yifan Wang

We then recast the problem in terms of symmetry defects and find the same conclusions for anomalies of discrete and orientation-reversing global symmetries, up to the conjecture that global gravitational anomalies, which may not be associated with any diffeomorphism symmetry, also forbid the existence of boundary conditions.

High Energy Physics - Theory Strongly Correlated Electrons

Defect $a$-Theorem and $a$-Maximization

no code implementations29 Jan 2021 Yifan Wang

We derive the anomaly multiplet relations that express the defect $a$- and $c$-anomalies in terms of the defect (mixed) 't Hooft anomalies for this $U(1)_R$ symmetry.

High Energy Physics - Theory

Repopulating Street Scenes

no code implementations CVPR 2021 Yifan Wang, Andrew Liu, Richard Tucker, Jiajun Wu, Brian L. Curless, Steven M. Seitz, Noah Snavely

We present a framework for automatically reconfiguring images of street scenes by populating, depopulating, or repopulating them with objects such as pedestrians or vehicles.

Autonomous Driving

DynOcc: Learning Single-View Depth from Dynamic Occlusion Cues

no code implementations30 Mar 2021 Yifan Wang, Linjie Luo, Xiaohui Shen, Xing Mei

Recently, significant progress has been made in single-view depth estimation thanks to increasingly large and diverse depth datasets.

3D Reconstruction Autonomous Driving +2

SGG: Learning to Select, Guide, and Generate for Keyphrase Generation

1 code implementation NAACL 2021 Jing Zhao, Junwei Bao, Yifan Wang, Youzheng Wu, Xiaodong He, BoWen Zhou

Keyphrases, that concisely summarize the high-level topics discussed in a document, can be categorized into present keyphrase which explicitly appears in the source text, and absent keyphrase which does not match any contiguous subsequence but is highly semantically related to the source.

Keyphrase Generation Text Generation

DisenHAN: Disentangled Heterogeneous Graph Attention Network for Recommendation

1 code implementation21 Jun 2021 Yifan Wang, Suyao Tang, Yuntong Lei, Weiping Song, Sheng Wang, Ming Zhang

In this paper, we propose a novel disentangled heterogeneous graph attention network DisenHAN for top-$N$ recommendation, which learns disentangled user/item representations from different aspects in a heterogeneous information network.

Collaborative Filtering Graph Attention +1

CUSTOM: Aspect-Oriented Product Summarization for E-Commerce

1 code implementation18 Aug 2021 Jiahui Liang, Junwei Bao, Yifan Wang, Youzheng Wu, Xiaodong He, BoWen Zhou

To address the problem, we propose CUSTOM, aspect-oriented product summarization for e-commerce, which generates diverse and controllable summaries towards different product aspects.

Multi-Source Uncertainty Mining for Deep Unsupervised Saliency Detection

no code implementations CVPR 2022 Yifan Wang, Wenbo Zhang, Lijun Wang, Ting Liu, Huchuan Lu

We design an Uncertainty Mining Network (UMNet) which consists of multiple Merge-and-Split (MS) modules to recursively analyze the commonality and difference among multiple noisy labels and infer pixel-wise uncertainty map for each label.

object-detection Object Detection +2

MuSCLe: A Multi-Strategy Contrastive Learning Framework for Weakly Supervised Semantic Segmentation

no code implementations18 Jan 2022 Kunhao Yuan, Gerald Schaefer, Yu-Kun Lai, Yifan Wang, Xiyao Liu, Lin Guan, Hui Fang

Weakly supervised semantic segmentation (WSSS) has gained significant popularity since it relies only on weak labels such as image level annotations rather than pixel level annotations required by supervised semantic segmentation (SSS) methods.

Contrastive Learning Segmentation +2

Multiscale Convolutional Transformer with Center Mask Pretraining for Hyperspectral Image Classification

no code implementations9 Mar 2022 Sen Jia, Yifan Wang

However, CNN-based methods are difficult to capture long-range dependencies, and also require a large amount of labeled data for model training. Besides, most of the self-supervised training methods in the field of HSI classification are based on the reconstruction of input samples, and it is difficult to achieve effective use of unlabeled samples.

Classification Hyperspectral Image Classification

Back to Reality: Weakly-supervised 3D Object Detection with Shape-guided Label Enhancement

2 code implementations CVPR 2022 Xiuwei Xu, Yifan Wang, Yu Zheng, Yongming Rao, Jie zhou, Jiwen Lu

In this paper, we propose a weakly-supervised approach for 3D object detection, which makes it possible to train a strong 3D detector with position-level annotations (i. e. annotations of object centers).

3D Object Detection Domain Adaptation +3

Fine- and Coarse-Granularity Hybrid Self-Attention for Efficient BERT

1 code implementation ACL 2022 Jing Zhao, Yifan Wang, Junwei Bao, Youzheng Wu, Xiaodong He

To confront this, we propose FCA, a fine- and coarse-granularity hybrid self-attention that reduces the computation cost through progressively shortening the computational sequence length in self-attention.

Informativeness

SunStage: Portrait Reconstruction and Relighting using the Sun as a Light Stage

no code implementations CVPR 2023 Yifan Wang, Aleksander Holynski, Xiuming Zhang, Xuaner Zhang

Our method only requires the user to capture a selfie video outdoors, rotating in place, and uses the varying angles between the sun and the face as guidance in joint reconstruction of facial geometry, reflectance, camera pose, and lighting parameters.

Novel View Synthesis

A Survey on Efficient Processing of Similarity Queries over Neural Embeddings

no code implementations17 Apr 2022 Yifan Wang

Embedding techniques work by representing the raw data objects as vectors (so called "embeddings" or "neural embeddings" since they are mostly generated by neural network models) that expose the hidden semantics of the raw data, based on which embeddings do show outstanding effectiveness on capturing data similarities, making it one of the most widely used and studied techniques in the state-of-the-art similarity query processing research.

Entity Resolution Information Retrieval +1

OPERA:Operation-Pivoted Discrete Reasoning over Text

no code implementations29 Apr 2022 Yongwei Zhou, Junwei Bao, Chaoqun Duan, Haipeng Sun, Jiahui Liang, Yifan Wang, Jing Zhao, Youzheng Wu, Xiaodong He, Tiejun Zhao

To inherit the advantages of these two types of methods, we propose OPERA, an operation-pivoted discrete reasoning framework, where lightweight symbolic operations (compared with logical forms) as neural modules are utilized to facilitate the reasoning ability and interpretability.

Machine Reading Comprehension Semantic Parsing

LIDER: An Efficient High-dimensional Learned Index for Large-scale Dense Passage Retrieval

no code implementations2 May 2022 Yifan Wang, Haodi Ma, Daisy Zhe Wang

As the basic unit of LIDER to index and search data, a core model includes an adapted recursive model index (RMI) and a dimension reduction component which consists of an extended SortingKeys-LSH (SK-LSH) and a key re-scaling module.

Dimensionality Reduction Passage Retrieval +1

Learnability of Competitive Threshold Models

1 code implementation8 May 2022 Yifan Wang, Guangmo Tong

Modeling the spread of social contagions is central to various applications in social computing.

Generalization Bounds

A Survey on the Fairness of Recommender Systems

no code implementations8 Jun 2022 Yifan Wang, Weizhi Ma, Min Zhang, Yiqun Liu, Shaoping Ma

First, we summarize fairness definitions in the recommendation and provide several views to classify fairness issues.

Fairness Recommendation Systems

Vertical GaN Diode BV Maximization through Rapid TCAD Simulation and ML-enabled Surrogate Model

no code implementations18 Jul 2022 Albert Lu, Jordan Marshall, Yifan Wang, Ming Xiao, Yuhao Zhang, Hiu Yung Wong

In this paper, two methodologies are used to speed up the maximization of the breakdown volt-age (BV) of a vertical GaN diode that has a theoretical maximum BV of ~2100V.

Exploiting Inter-Sample Affinity for Knowability-Aware Universal Domain Adaptation

no code implementations19 Jul 2022 Yifan Wang, Lin Zhang, Ran Song, Hongliang Li, Paul L. Rosin, Wei zhang

Specifically, we introduce a knowability-based labeling scheme which can be divided into two steps: 1) Knowability-guided detection of known and unknown samples based on the intrinsic structure of the neighborhoods of samples, where we leverage the first singular vectors of the affinity matrices to obtain the knowability of every target sample.

Universal Domain Adaptation

A Knowledge Distillation-Based Backdoor Attack in Federated Learning

no code implementations12 Aug 2022 Yifan Wang, Wei Fan, Keke Yang, Naji Alhusaini, Jing Li

With knowledge distillation, we can reduce the abnormal characteristics in model result from the label flipping, thus the model can bypass the defenses.

Backdoor Attack Federated Learning +1

Provably Uncertainty-Guided Universal Domain Adaptation

no code implementations19 Sep 2022 Yifan Wang, Lin Zhang, Ran Song, Paul L. Rosin, Yibin Li, Wei zhang

It fully utilizes the relationship between a target sample and its neighbors in the source domain to avoid the influence of domain misalignment.

Universal Domain Adaptation Unsupervised Domain Adaptation

Learning the Propagation of Worms in Wireless Sensor Networks

no code implementations20 Sep 2022 Yifan Wang, Siqi Wang, Guangmo Tong

Wireless sensor networks (WSNs) are composed of spatially distributed sensors and are considered vulnerable to attacks by worms and their variants.

Deep-Steiner: Learning to Solve the Euclidean Steiner Tree Problem

1 code implementation20 Sep 2022 Siqi Wang, Yifan Wang, Guangmo Tong

The Euclidean Steiner tree problem seeks the min-cost network to connect a collection of target locations, and it underlies many applications of wireless networks.

Graph Representation Learning Steiner Tree Problem

Lightweight Image Codec via Multi-Grid Multi-Block-Size Vector Quantization (MGBVQ)

no code implementations25 Sep 2022 Yifan Wang, Zhanxuan Mei, Ioannis Katsavounidis, C. -C. Jay Kuo

The fundamental idea of image coding is to remove correlations among pixels before quantization and entropy coding, e. g., the discrete cosine transform (DCT) and intra predictions, adopted by modern image coding standards.

Quantization

Kernel-based Substructure Exploration for Next POI Recommendation

1 code implementation8 Oct 2022 Wei Ju, Yifang Qin, Ziyue Qiao, Xiao Luo, Yifan Wang, Yanjie Fu, Ming Zhang

To tackle the above issues, we propose a Kernel-Based Graph Neural Network (KBGNN) for next POI recommendation, which combines the characteristics of both geographical and sequential influences in a collaborative way.

Recommendation Systems

P$^3$LM: Probabilistically Permuted Prophet Language Modeling for Generative Pre-Training

no code implementations22 Oct 2022 Junwei Bao, Yifan Wang, Jiangyong Ying, Yeyun Gong, Jing Zhao, Youzheng Wu, Xiaodong He

Conventional autoregressive left-to-right (L2R) sequence generation faces two issues during decoding: limited to unidirectional target sequence modeling, and constrained on strong local dependencies.

Conversational Question Answering Language Modelling +3

Bandit Algorithms for Prophet Inequality and Pandora's Box

no code implementations16 Nov 2022 Khashayar Gatmiry, Thomas Kesselheim, Sahil Singla, Yifan Wang

The goal is to minimize the regret, which is the difference over $T$ rounds in the total value of the optimal algorithm that knows the distributions vs. the total value of our algorithm that learns the distributions from the partial feedback.

Multi-Armed Bandits Stochastic Optimization

Controlling Styles in Neural Machine Translation with Activation Prompt

1 code implementation17 Dec 2022 Yifan Wang, Zewei Sun, Shanbo Cheng, Weiguo Zheng, Mingxuan Wang

Controlling styles in neural machine translation (NMT) has attracted wide attention, as it is crucial for enhancing user experience.

Machine Translation NMT +1

Automatic Generation of German Drama Texts Using Fine Tuned GPT-2 Models

no code implementations8 Jan 2023 Mariam Bangura, Kristina Barabashova, Anna Karnysheva, Sarah Semczuk, Yifan Wang

The input for the neural model comprises two datasets: the German Drama Corpus (GerDraCor) and German Text Archive (Deutsches Textarchiv or DTA).

Unsupervised Mandarin-Cantonese Machine Translation

1 code implementation10 Jan 2023 Megan Dare, Valentina Fajardo Diaz, Averie Ho Zoen So, Yifan Wang, Shibingfeng Zhang

Advancements in unsupervised machine translation have enabled the development of machine translation systems that can translate between languages for which there is not an abundance of parallel data available.

Translation Unsupervised Machine Translation

Learned Accelerator Framework for Angular-Distance-Based High-Dimensional DBSCAN

1 code implementation6 Feb 2023 Yifan Wang, Daisy Zhe Wang

In this paper, we propose LAF, a generic learned accelerator framework to speed up the original DBSCAN and the sampling-based variants of DBSCAN on high-dimensional data with angular distance metric.

Clustering Vocal Bursts Intensity Prediction

A Comprehensive Survey on Deep Graph Representation Learning

no code implementations11 Apr 2023 Wei Ju, Zheng Fang, Yiyang Gu, Zequn Liu, Qingqing Long, Ziyue Qiao, Yifang Qin, Jianhao Shen, Fang Sun, Zhiping Xiao, Junwei Yang, Jingyang Yuan, Yusheng Zhao, Yifan Wang, Xiao Luo, Ming Zhang

Graph representation learning aims to effectively encode high-dimensional sparse graph-structured data into low-dimensional dense vectors, which is a fundamental task that has been widely studied in a range of fields, including machine learning and data mining.

Graph Embedding Graph Representation Learning

TGNN: A Joint Semi-supervised Framework for Graph-level Classification

no code implementations23 Apr 2023 Wei Ju, Xiao Luo, Meng Qu, Yifan Wang, Chong Chen, Minghua Deng, Xian-Sheng Hua, Ming Zhang

The two twin modules collaborate with each other by exchanging instance similarity knowledge to fully explore the structure information of both labeled and unlabeled data.

Graph Classification

LumiGAN: Unconditional Generation of Relightable 3D Human Faces

no code implementations25 Apr 2023 Boyang Deng, Yifan Wang, Gordon Wetzstein

Unsupervised learning of 3D human faces from unstructured 2D image data is an active research area.

Generative Adversarial Network

VTPNet for 3D deep learning on point cloud

no code implementations10 May 2023 Wei Zhou, Weiwei Jin, Qian Wang, Yifan Wang, Dekui Wang, Xingxing Hao, Yongxiang Yu

Recently, Transformer-based methods for point cloud learning have achieved good results on various point cloud learning benchmarks.

Semantic Segmentation

BEV-IO: Enhancing Bird's-Eye-View 3D Detection with Instance Occupancy

no code implementations26 May 2023 Zaibin Zhang, Yuanhang Zhang, Lijun Wang, Yifan Wang, Huchuan Lu

At the core of our method is the newly-designed instance occupancy prediction (IOP) module, which aims to infer point-level occupancy status for each instance in the frustum space.

Incorporating Distributions of Discourse Structure for Long Document Abstractive Summarization

no code implementations26 May 2023 Dongqi Pu, Yifan Wang, Vera Demberg

For text summarization, the role of discourse structure is pivotal in discerning the core content of a text.

Abstractive Text Summarization

NeuS-PIR: Learning Relightable Neural Surface using Pre-Integrated Rendering

1 code implementation13 Jun 2023 Shi Mao, Chenming Wu, Zhelun Shen, Yifan Wang, Dayan Wu, Liangjun Zhang

This paper presents a method, namely NeuS-PIR, for recovering relightable neural surfaces using pre-integrated rendering from multi-view images or video.

Disentanglement

Detector-Free Structure from Motion

1 code implementation27 Jun 2023 Xingyi He, Jiaming Sun, Yifan Wang, Sida Peng, QiXing Huang, Hujun Bao, Xiaowei Zhou

We propose a new detector-free SfM framework to draw benefits from the recent success of detector-free matchers to avoid the early determination of keypoints, while solving the multi-view inconsistency issue of detector-free matchers.

Keypoint Detection

Unbiased Delayed Feedback Label Correction for Conversion Rate Prediction

1 code implementation24 Jul 2023 Yifan Wang, Peijie Sun, Min Zhang, Qinglin Jia, Jingjie Li, Shaoping Ma

To directly introduce the correct feedback label information, we propose an Unbiased delayed feedback Label Correction framework (ULC), which uses an auxiliary model to correct labels for observed negative feedback samples.

counterfactual

New Interaction Paradigm for Complex EDA Software Leveraging GPT

1 code implementation27 Jul 2023 Boyu Han, Xinyu Wang, Yifan Wang, Junyu Yan, Yidong Tian

In the rapidly growing field of electronic design automation (EDA), professional software such as KiCad, Cadence , and Altium Designer provide increasingly extensive design functionalities.

Isomer: Isomerous Transformer for Zero-shot Video Object Segmentation

1 code implementation ICCV 2023 Yichen Yuan, Yifan Wang, Lijun Wang, Xiaoqi Zhao, Huchuan Lu, Yu Wang, Weibo Su, Lei Zhang

Recent leading zero-shot video object segmentation (ZVOS) works devote to integrating appearance and motion information by elaborately designing feature fusion modules and identically applying them in multiple feature stages.

Semantic Segmentation Video Object Segmentation +2

Neural Gradient Regularizer

1 code implementation31 Aug 2023 Shuang Xu, Yifan Wang, Zixiang Zhao, Jiangjun Peng, Xiangyong Cao, Deyu Meng, Yulun Zhang, Radu Timofte, Luc van Gool

NGR is applicable to various image types and different image processing tasks, functioning in a zero-shot learning fashion, making it a versatile and plug-and-play regularizer.

Zero-Shot Learning

VEATIC: Video-based Emotion and Affect Tracking in Context Dataset

no code implementations13 Sep 2023 Zhihang Ren, Jefferson Ortega, Yifan Wang, Zhimin Chen, Yunhui Guo, Stella X. Yu, David Whitney

Along with the dataset, we propose a new computer vision task to infer the affect of the selected character via both context and character information in each video frame.

Eliminating Reasoning via Inferring with Planning: A New Framework to Guide LLMs' Non-linear Thinking

no code implementations18 Oct 2023 Yongqi Tong, Yifan Wang, Dawei Li, Sizhe Wang, Zi Lin, Simeng Han, Jingbo Shang

Chain-of-Thought(CoT) prompting and its variants explore equipping large language models (LLMs) with high-level reasoning abilities by emulating human-like linear cognition and logic.

Natural Language Inference

Hint-enhanced In-Context Learning wakes Large Language Models up for knowledge-intensive tasks

no code implementations3 Nov 2023 Yifan Wang, Qingyan Guo, Xinzhe Ni, Chufan Shi, Lemao Liu, Haiyun Jiang, Yujiu Yang

In-context learning (ICL) ability has emerged with the increasing scale of large language models (LLMs), enabling them to learn input-label mappings from demonstrations and perform well on downstream tasks.

In-Context Learning Open-Domain Question Answering

Hyb-NeRF: A Multiresolution Hybrid Encoding for Neural Radiance Fields

no code implementations21 Nov 2023 Yifan Wang, Yi Gong, Yuan Zeng

To address these issues, we present Hyb-NeRF, a novel neural radiance field with a multi-resolution hybrid encoding that achieves efficient neural modeling and fast rendering, which also allows for high-quality novel view synthesis.

Novel View Synthesis

PointJEM: Self-supervised Point Cloud Understanding for Reducing Feature Redundancy via Joint Entropy Maximization

no code implementations6 Dec 2023 Xin Cao, Huan Xia, Xinxin Han, Yifan Wang, Kang Li, Linzhi Su

To reduce redundant information in the features, PointJEM maximizes the joint entropy between the different parts, thereby rendering the learned feature variables pairwise independent.

Representation Learning

CrossBind: Collaborative Cross-Modal Identification of Protein Nucleic-Acid-Binding Residues

1 code implementation19 Dec 2023 Linglin Jing, Sheng Xu, Yifan Wang, Yuzhe Zhou, Tao Shen, Zhigang Ji, Hui Fang, Zhen Li, Siqi Sun

Accurate identification of protein nucleic-acid-binding residues poses a significant challenge with important implications for various biological processes and drug design.

Contrastive Learning Protein Language Model

Bandit Sequential Posted Pricing via Half-Concavity

no code implementations20 Dec 2023 Sahil Singla, Yifan Wang

To overcome this assumption, we study sequential posted pricing in the bandit learning model, where the seller interacts with $n$ buyers over $T$ rounds: In each round the seller posts $n$ prices for the $n$ buyers and the first buyer with a valuation higher than the price takes the item.

Token-Level Contrastive Learning with Modality-Aware Prompting for Multimodal Intent Recognition

1 code implementation22 Dec 2023 Qianrui Zhou, Hua Xu, Hao Li, Hanlei Zhang, Xiaohan Zhang, Yifan Wang, Kai Gao

To establish an optimal multimodal semantic environment for text modality, we develop a modality-aware prompting module (MAP), which effectively aligns and fuses features from text, video and audio modalities with similarity-based modality alignment and cross-modality attention mechanism.

Contrastive Learning Multimodal Intent Recognition

EEGFormer: Towards Transferable and Interpretable Large-Scale EEG Foundation Model

no code implementations11 Jan 2024 Yuqi Chen, Kan Ren, Kaitao Song, Yansen Wang, Yifan Wang, Dongsheng Li, Lili Qiu

Self-supervised learning has emerged as a highly effective approach in the fields of natural language processing and computer vision.

Anomaly Detection EEG +2

A Survey of Data-Efficient Graph Learning

no code implementations1 Feb 2024 Wei Ju, Siyu Yi, Yifan Wang, Qingqing Long, Junyu Luo, Zhiping Xiao, Ming Zhang

Graph-structured data, prevalent in domains ranging from social networks to biochemical analysis, serve as the foundation for diverse real-world systems.

Graph Learning

A Thorough Examination of Decoding Methods in the Era of LLMs

no code implementations10 Feb 2024 Chufan Shi, Haoran Yang, Deng Cai, Zhisong Zhang, Yifan Wang, Yujiu Yang, Wai Lam

Decoding methods play an indispensable role in converting language models from next-token predictors into practical task solvers.

Quantization

Xling: A Learned Filter Framework for Accelerating High-Dimensional Approximate Similarity Join

no code implementations20 Feb 2024 Yifan Wang, Vyom Pathak, Daisy Zhe Wang

In this paper, we propose Xling, a generic framework to build a learning-based metric space filter with any existing regression model, aiming at accurately predicting whether a query point has enough number of neighbors.

Multi-modal Instruction Tuned LLMs with Fine-grained Visual Perception

no code implementations5 Mar 2024 Junwen He, Yifan Wang, Lijun Wang, Huchuan Lu, Jun-Yan He, Jin-Peng Lan, Bin Luo, Xuansong Xie

Multimodal Large Language Model (MLLMs) leverages Large Language Models as a cognitive framework for diverse visual-language tasks.

Language Modelling Large Language Model +2

Efficient LoFTR: Semi-Dense Local Feature Matching with Sparse-Like Speed

1 code implementation7 Mar 2024 Yifan Wang, Xingyi He, Sida Peng, Dongli Tan, Xiaowei Zhou

Furthermore, we find spatial variance exists in LoFTR's fine correlation module, which is adverse to matching accuracy.

3D Reconstruction Image Retrieval

A Survey of Graph Neural Networks in Real world: Imbalance, Noise, Privacy and OOD Challenges

no code implementations7 Mar 2024 Wei Ju, Siyu Yi, Yifan Wang, Zhiping Xiao, Zhengyang Mao, Hourun Li, Yiyang Gu, Yifang Qin, Nan Yin, Senzhang Wang, Xinwang Liu, Xiao Luo, Philip S. Yu, Ming Zhang

To tackle these issues, substantial efforts have been devoted to improving the performance of GNN models in practical real-world scenarios, as well as enhancing their reliability and robustness.

Fraud Detection

No more optimization rules: LLM-enabled policy-based multi-modal query optimizer

no code implementations20 Mar 2024 Yifan Wang, Haodi Ma, Daisy Zhe Wang

As a critical (or could even be the most important) step that significantly impacts the execution performance of the query plan, such analysis and attempts should not be missed.

Language Modelling Large Language Model

SciNews: From Scholarly Complexities to Public Narratives -- A Dataset for Scientific News Report Generation

no code implementations26 Mar 2024 Dongqi Pu, Yifan Wang, Jia Loy, Vera Demberg

Scientific news reports serve as a bridge, adeptly translating complex research articles into reports that resonate with the broader public.

Text Generation

DRE: Generating Recommendation Explanations by Aligning Large Language Models at Data-level

no code implementations9 Apr 2024 Shen Gao, Yifan Wang, Jiabao Fang, Lisi Chen, Peng Han, Shuo Shang

Recommendation systems play a crucial role in various domains, suggesting items based on user behavior. However, the lack of transparency in presenting recommendations can lead to user confusion.

Recommendation Systems

Collaborative-Enhanced Prediction of Spending on Newly Downloaded Mobile Games under Consumption Uncertainty

no code implementations12 Apr 2024 Peijie Sun, Yifan Wang, Min Zhang, Chuhan Wu, Yan Fang, Hong Zhu, Yuan Fang, Meng Wang

In summary, our contributions underscore the importance of stable model training frameworks and the efficacy of collaborative-enhanced models in predicting user spending behavior in mobile gaming.

CLIFFNet for Monocular Depth Estimation with Hierarchical Embedding Loss

no code implementations ECCV 2020 Lijun Wang, Jianming Zhang, Yifan Wang, Huchuan Lu, Xiang Ruan

This paper proposes a hierarchical loss for monocular depth estimation, which measures the differences between the prediction and ground truth in hierarchical embedding spaces of depth maps.

Monocular Depth Estimation

OPERA: Operation-Pivoted Discrete Reasoning over Text

1 code implementation NAACL 2022 Yongwei Zhou, Junwei Bao, Chaoqun Duan, Haipeng Sun, Jiahui Liang, Yifan Wang, Jing Zhao, Youzheng Wu, Xiaodong He, Tiejun Zhao

To inherit the advantages of these two types of methods, we propose OPERA, an operation-pivoted discrete reasoning framework, where lightweight symbolic operations (compared with logical forms) as neural modules are utilized to facilitate the reasoning ability and interpretability.

Machine Reading Comprehension Semantic Parsing

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