Search Results for author: Hao Jiang

Found 91 papers, 22 papers with code

Visual Prompt Tuning for Few-Shot Text Classification

no code implementations COLING 2022 Jingyuan Wen, Yutian Luo, Nanyi Fei, Guoxing Yang, Zhiwu Lu, Hao Jiang, Jie Jiang, Zhao Cao

In few-shot text classification, a feasible paradigm for deploying VL-PTMs is to align the input samples and their category names via the text encoders.

Few-Shot Learning Few-Shot Text Classification +3

Dynamic neural network with memristive CIM and CAM for 2D and 3D vision

no code implementations12 Jul 2024 Yue Zhang, Woyu Zhang, Shaocong Wang, Ning Lin, Yifei Yu, Yangu He, Bo wang, Hao Jiang, Peng Lin, Xiaoxin Xu, Xiaojuan Qi, Zhongrui Wang, Xumeng Zhang, Dashan Shang, Qi Liu, Kwang-Ting Cheng, Ming Liu

In contrast, AI models are static, unable to associate inputs with past experiences, and run on digital computers with physically separated memory and processing.

MARS: Mixture of Auto-Regressive Models for Fine-grained Text-to-image Synthesis

1 code implementation10 Jul 2024 Wanggui He, Siming Fu, Mushui Liu, Xierui Wang, Wenyi Xiao, Fangxun Shu, Yi Wang, Lei Zhang, Zhelun Yu, Haoyuan Li, Ziwei Huang, Leilei Gan, Hao Jiang

Auto-regressive models have made significant progress in the realm of language generation, yet they do not perform on par with diffusion models in the domain of image synthesis.

Image Generation Text Generation

Think-then-Act: A Dual-Angle Evaluated Retrieval-Augmented Generation

no code implementations18 Jun 2024 Yige Shen, Hao Jiang, Hua Qu, Jihong Zhao

Despite their impressive capabilities, large language models (LLMs) often face challenges such as temporal misalignment and generating hallucinatory content.

Retrieval

MS-Diffusion: Multi-subject Zero-shot Image Personalization with Layout Guidance

1 code implementation11 Jun 2024 X. Wang, Siming Fu, Qihan Huang, Wanggui He, Hao Jiang

Recent advancements in text-to-image generation models have dramatically enhanced the generation of photorealistic images from textual prompts, leading to an increased interest in personalized text-to-image applications, particularly in multi-subject scenarios.

Text-to-Image Generation

RectifID: Personalizing Rectified Flow with Anchored Classifier Guidance

1 code implementation23 May 2024 Zhicheng Sun, Zhenhao Yang, Yang Jin, Haozhe Chi, Kun Xu, Liwei Chen, Hao Jiang, Di Zhang, Yang song, Kun Gai, Yadong Mu

Our study shows that based on a recent rectified flow framework, the major limitation of vanilla classifier guidance in requiring a special classifier can be resolved with a simple fixed-point solution, allowing flexible personalization with off-the-shelf image discriminators.

Image Generation Personalized Image Generation

Data Valuation by Leveraging Global and Local Statistical Information

no code implementations23 May 2024 Xiaoling Zhou, Ou wu, Michael K. Ng, Hao Jiang

In this paper, we demonstrate that both global and local statistical information of value distributions hold significant potential for data valuation within the context of machine learning.

Data Valuation

Time Matters: Enhancing Pre-trained News Recommendation Models with Robust User Dwell Time Injection

no code implementations21 May 2024 Hao Jiang, Chuanzhen Li, Mingxiao An

Despite this, accurately modeling user preferences remains challenging due to the inherent uncertainty of click behaviors.

News Recommendation Reading Comprehension

An Embarrassingly Simple Approach to Enhance Transformer Performance in Genomic Selection for Crop Breeding

1 code implementation15 May 2024 Renqi Chen, Wenwei Han, Haohao Zhang, Haoyang Su, Zhefan Wang, Xiaolei Liu, Hao Jiang, Wanli Ouyang, Nanqing Dong

Genomic selection (GS), as a critical crop breeding strategy, plays a key role in enhancing food production and addressing the global hunger crisis.

Detecting and Mitigating Hallucination in Large Vision Language Models via Fine-Grained AI Feedback

no code implementations22 Apr 2024 Wenyi Xiao, Ziwei Huang, Leilei Gan, Wanggui He, Haoyuan Li, Zhelun Yu, Hao Jiang, Fei Wu, Linchao Zhu

The rapidly developing Large Vision Language Models (LVLMs) have shown notable capabilities on a range of multi-modal tasks, but still face the hallucination phenomena where the generated texts do not align with the given contexts, significantly restricting the usages of LVLMs.

Attribute Hallucination +1

An Analysis on Matching Mechanisms and Token Pruning for Late-interaction Models

no code implementations20 Mar 2024 Qi Liu, Gang Guo, Jiaxin Mao, Zhicheng Dou, Ji-Rong Wen, Hao Jiang, Xinyu Zhang, Zhao Cao

Based on these findings, we then propose several simple document pruning methods to reduce the storage overhead and compare the effectiveness of different pruning methods on different late-interaction models.

Retrieval

Large-Scale RIS Enabled Air-Ground Channels: Near-Field Modeling and Analysis

no code implementations19 Mar 2024 Hao Jiang, Wangqi Shi, Zaichen Zhang, Cunhua Pan, Qingqing Wu, Feng Shu, Ruiqi Liu, Jiangzhou Wang

Then, we develop a beam domain channel model based on the proposed sub-array partition framework for large-scale RIS-enabled UAV-to-vehicle communication systems, which can be used to efficiently capture the sparse features in RIS-enabled UAV-to-vehicle channels in both near-field and far-field ranges.

Human Activity Recognition with Low-Resolution Infrared Array Sensor Using Semi-supervised Cross-domain Neural Networks for Indoor Environment

no code implementations5 Mar 2024 Cunyi Yin, Xiren Miao, Jing Chen, Hao Jiang, Deying Chen, Yixuan Tong, Shaocong Zheng

The label classifier obtained from training the source domain data improves the recognition of target domain activities due to the semi-supervised learning utilized in training the target domain data.

Domain Adaptation Human Activity Recognition

PowerSkel: A Device-Free Framework Using CSI Signal for Human Skeleton Estimation in Power Station

1 code implementation4 Mar 2024 Cunyi Yin, Xiren Miao, Jing Chen, Hao Jiang, Jianfei Yang, Yunjiao Zhou, Min Wu, Zhenghua Chen

WiFi-based human pose estimation is a suitable method for monitoring power operations due to its low cost, device-free, and robustness to various illumination conditions. In this paper, a novel Channel State Information (CSI)-based pose estimation framework, namely PowerSkel, is developed to address these challenges.

Knowledge Distillation Pose Estimation

Video-LaVIT: Unified Video-Language Pre-training with Decoupled Visual-Motional Tokenization

1 code implementation5 Feb 2024 Yang Jin, Zhicheng Sun, Kun Xu, Liwei Chen, Hao Jiang, Quzhe Huang, Chengru Song, Yuliang Liu, Di Zhang, Yang song, Kun Gai, Yadong Mu

In light of recent advances in multimodal Large Language Models (LLMs), there is increasing attention to scaling them from image-text data to more informative real-world videos.

Science Question Answering Text-to-Video Generation +3

SD-MVS: Segmentation-Driven Deformation Multi-View Stereo with Spherical Refinement and EM optimization

no code implementations12 Jan 2024 Zhenlong Yuan, Jiakai Cao, Zhaoxin Li, Hao Jiang, Zhaoqi Wang

In this paper, we introduce Segmentation-Driven Deformation Multi-View Stereo (SD-MVS), a method that can effectively tackle challenges in 3D reconstruction of textureless areas.

3D Reconstruction

Hybrid Vector Message Passing for Generalized Bilinear Factorization

no code implementations8 Jan 2024 Hao Jiang, Xiaojun Yuan, Qinghua Guo

In this paper, we propose a new message passing algorithm that utilizes hybrid vector message passing (HVMP) to solve the generalized bilinear factorization (GBF) problem.

Ink Dot-Oriented Differentiable Optimization for Neural Image Halftoning

no code implementations CVPR 2024 Hao Jiang, Bingfeng Zhou, Yadong Mu

In this paper we propose an innovative halftoning method termed "neural dot-controllable halftoning".

The Audio-Visual Conversational Graph: From an Egocentric-Exocentric Perspective

no code implementations CVPR 2024 Wenqi Jia, Miao Liu, Hao Jiang, Ishwarya Ananthabhotla, James M. Rehg, Vamsi Krishna Ithapu, Ruohan Gao

We propose a unified multi-modal framework -- Audio-Visual Conversational Attention (AV-CONV), for the joint prediction of conversation behaviors -- speaking and listening -- for both the camera wearer as well as all other social partners present in the egocentric video.

CT-MVSNet: Efficient Multi-View Stereo with Cross-scale Transformer

1 code implementation14 Dec 2023 Sicheng Wang, Hao Jiang, Lei Xiang

Recent deep multi-view stereo (MVS) methods have widely incorporated transformers into cascade network for high-resolution depth estimation, achieving impressive results.

3D Reconstruction Depth Estimation +1

Random resistive memory-based deep extreme point learning machine for unified visual processing

no code implementations14 Dec 2023 Shaocong Wang, Yizhao Gao, Yi Li, Woyu Zhang, Yifei Yu, Bo wang, Ning Lin, Hegan Chen, Yue Zhang, Yang Jiang, Dingchen Wang, Jia Chen, Peng Dai, Hao Jiang, Peng Lin, Xumeng Zhang, Xiaojuan Qi, Xiaoxin Xu, Hayden So, Zhongrui Wang, Dashan Shang, Qi Liu, Kwang-Ting Cheng, Ming Liu

Our random resistive memory-based deep extreme point learning machine may pave the way for energy-efficient and training-friendly edge AI across various data modalities and tasks.

Compress & Align: Curating Image-Text Data with Human Knowledge

no code implementations11 Dec 2023 Lei Zhang, Fangxun Shu, Sucheng Ren, Bingchen Zhao, Hao Jiang, Cihang Xie

The massive growth of image-text data through web crawling inherently presents the challenge of variability in data quality.

Image Captioning Image-text Retrieval +1

Audio-Visual LLM for Video Understanding

no code implementations11 Dec 2023 Fangxun Shu, Lei Zhang, Hao Jiang, Cihang Xie

This paper presents Audio-Visual LLM, a Multimodal Large Language Model that takes both visual and auditory inputs for holistic video understanding.

AudioCaps Language Modelling +3

Pruning random resistive memory for optimizing analogue AI

no code implementations13 Nov 2023 Yi Li, Songqi Wang, Yaping Zhao, Shaocong Wang, Woyu Zhang, Yangu He, Ning Lin, Binbin Cui, Xi Chen, Shiming Zhang, Hao Jiang, Peng Lin, Xumeng Zhang, Xiaojuan Qi, Zhongrui Wang, Xiaoxin Xu, Dashan Shang, Qi Liu, Kwang-Ting Cheng, Ming Liu

Here, we report a universal solution, software-hardware co-design using structural plasticity-inspired edge pruning to optimize the topology of a randomly weighted analogue resistive memory neural network.

Audio Classification Image Segmentation +1

TrainerAgent: Customizable and Efficient Model Training through LLM-Powered Multi-Agent System

no code implementations11 Nov 2023 Haoyuan Li, Hao Jiang, Tianke Zhang, Zhelun Yu, Aoxiong Yin, Hao Cheng, Siming Fu, Yuhao Zhang, Wanggui He

We anticipate that our work will contribute to the advancement of research on TrainerAgent in both academic and industry communities, potentially establishing it as a new paradigm for model development in the field of AI.

Decision Making Language Modelling +1

Textureless-aware Segmentation and Correlative Refinement Guided Multi-View Stereo

no code implementations19 Aug 2023 Zhenlong Yuan, Jiakai Cao, Hao Jiang, Zhaoqi Wang, Zhaoxin Li

The reconstruction of textureless areas has long been a challenging problem in MVS due to lack of reliable pixel correspondences between images.

3D Reconstruction Edge Detection +3

Channel Modeling for Heterogeneous Vehicular ISAC System with Shared Clusters

no code implementations16 Jul 2023 Baiping Xiong, Zaichen Zhang, Yingmeng Ge, Haibo Wang, Hao Jiang, Liang Wu, Ziyang Zhang

In this paper, we consider the channel modeling of a heterogeneous vehicular integrated sensing and communication (ISAC) system, where a dual-functional multi-antenna base station (BS) intends to communicate with a multi-antenna vehicular receiver (MR) and sense the surrounding environments simultaneously.

Training Energy-Based Models with Diffusion Contrastive Divergences

no code implementations4 Jul 2023 Weijian Luo, Hao Jiang, Tianyang Hu, Jiacheng Sun, Zhenguo Li, Zhihua Zhang

In image generation experiments, the proposed DCD is capable of training an energy-based model for generating the Celab-A $32\times 32$ dataset, which is comparable to existing EBMs.

Image Denoising Image Generation

Video Compression with Arbitrary Rescaling Network

no code implementations7 Jun 2023 Mengxi Guo, Shijie Zhao, Hao Jiang, Junlin Li, Li Zhang

Most video platforms provide video streaming services with different qualities, and the quality of the services is usually adjusted by the resolution of the videos.

Video Compression

3GPP-Like GBSM THz Channel Modeling for Indoor Office and Urban Microcellular Scenarios

no code implementations24 May 2023 Zhaowei Chang, Jianhua Zhang, Pan Tang, Lei Tian, Hao Jiang, Ximan Liu, and Guangyi Liu

Finally, the channel capacity at THz frequency band is evaluated by the reconstructed CIRs generated by the GBSM using the measured statistical values and the 3GPP default values.

Pyramid Texture Filtering

no code implementations11 May 2023 Qing Zhang, Hao Jiang, Yongwei Nie, Wei-Shi Zheng

We present a simple but effective technique to smooth out textures while preserving the prominent structures.

Image Enhancement Tone Mapping

Egocentric Auditory Attention Localization in Conversations

no code implementations CVPR 2023 Fiona Ryan, Hao Jiang, Abhinav Shukla, James M. Rehg, Vamsi Krishna Ithapu

In a noisy conversation environment such as a dinner party, people often exhibit selective auditory attention, or the ability to focus on a particular speaker while tuning out others.

DoNet: Deep De-overlapping Network for Cytology Instance Segmentation

1 code implementation CVPR 2023 Hao Jiang, Rushan Zhang, Yanning Zhou, Yumeng Wang, Hao Chen

Cell instance segmentation in cytology images has significant importance for biology analysis and cancer screening, while remains challenging due to 1) the extensive overlapping translucent cell clusters that cause the ambiguous boundaries, and 2) the confusion of mimics and debris as nuclei.

Instance Segmentation Region Proposal +2

Future Aware Pricing and Matching for Sustainable On-demand Ride Pooling

no code implementations21 Feb 2023 Xianjie Zhang, Pradeep Varakantham, Hao Jiang

Traditionally, both these challenges have been studied individually and using myopic approaches (considering only current requests), without considering the impact of current matching on addressing future requests.

Solving Richly Constrained Reinforcement Learning through State Augmentation and Reward Penalties

no code implementations27 Jan 2023 Hao Jiang, Tien Mai, Pradeep Varakantham, Minh Huy Hoang

Constrained Reinforcement Learning has been employed to enforce safety constraints on policy through the use of expected cost constraints.

reinforcement-learning Reinforcement Learning (RL)

Chat2Map: Efficient Scene Mapping from Multi-Ego Conversations

no code implementations CVPR 2023 Sagnik Majumder, Hao Jiang, Pierre Moulon, Ethan Henderson, Paul Calamia, Kristen Grauman, Vamsi Krishna Ithapu

Can conversational videos captured from multiple egocentric viewpoints reveal the map of a scene in a cost-efficient way?

Multi-Modal Experience Inspired AI Creation

1 code implementation2 Sep 2022 Qian Cao, Xu Chen, Ruihua Song, Hao Jiang, Guang Yang, Zhao Cao

To model such human capabilities, in this paper, we define and solve a novel AI creation problem based on human experiences.

Text Generation

PReGAN: Answer Oriented Passage Ranking with Weakly Supervised GAN

no code implementations5 Jul 2022 Pan Du, Jian-Yun Nie, Yutao Zhu, Hao Jiang, Lixin Zou, Xiaohui Yan

Beyond topical relevance, passage ranking for open-domain factoid question answering also requires a passage to contain an answer (answerability).

Passage Ranking Question Answering

Correction of out-of-focus microscopic images by deep learning

1 code implementation Computational and Structural Biotechnology Journal 2022 Chi Zhang, Hao Jiang, Weihuang Liu, Junyi Li, Shiming Tang, Mario Juhas, Yang Zhang.

Results To solve the out-of-focus issue in microscopy, we developed a Cycle Generative Adversarial Network (CycleGAN) based model and a multi-component weighted loss function.

Generative Adversarial Network Image Deblurring +1

Hyperlink-induced Pre-training for Passage Retrieval in Open-domain Question Answering

1 code implementation ACL 2022 Jiawei Zhou, Xiaoguang Li, Lifeng Shang, Lan Luo, Ke Zhan, Enrui Hu, Xinyu Zhang, Hao Jiang, Zhao Cao, Fan Yu, Xin Jiang, Qun Liu, Lei Chen

To alleviate the data scarcity problem in training question answering systems, recent works propose additional intermediate pre-training for dense passage retrieval (DPR).

Open-Domain Question Answering Passage Retrieval +1

MetaDT: Meta Decision Tree with Class Hierarchy for Interpretable Few-Shot Learning

no code implementations3 Mar 2022 Baoquan Zhang, Hao Jiang, Xutao Li, Shanshan Feng, Yunming Ye, Rui Ye

Then, resorting to the prior, we split each few-shot task to a set of subtasks with different concept levels and then perform class prediction via a model of decision tree.

Few-Shot Learning Representation Learning

KMIR: A Benchmark for Evaluating Knowledge Memorization, Identification and Reasoning Abilities of Language Models

no code implementations28 Feb 2022 Daniel Gao, Yantao Jia, Lei LI, Chengzhen Fu, Zhicheng Dou, Hao Jiang, Xinyu Zhang, Lei Chen, Zhao Cao

However, to figure out whether PLMs can be reliable knowledge sources and used as alternative knowledge bases (KBs), we need to further explore some critical features of PLMs.

General Knowledge Memorization +1

Model Calibration of the Liquid Mercury Spallation Target using Evolutionary Neural Networks and Sparse Polynomial Expansions

no code implementations18 Feb 2022 Majdi I. Radaideh, Hoang Tran, Lianshan Lin, Hao Jiang, Drew Winder, Sarma Gorti, Guannan Zhang, Justin Mach, Sarah Cousineau

Given that some of the calibrated parameters that show a good agreement with the experimental data can be nonphysical mercury properties, we need a more advanced two-phase flow model to capture bubble dynamics and mercury cavitation.

Deep Learning for Computational Cytology: A Survey

no code implementations10 Feb 2022 Hao Jiang, Yanning Zhou, Yi Lin, Ronald CK Chan, Jiang Liu, Hao Chen

Computational cytology is a critical, rapid-developing, yet challenging topic in the field of medical image computing which analyzes the digitized cytology image by computer-aided technologies for cancer screening.

Transfer Learning

Joint Video Summarization and Moment Localization by Cross-Task Sample Transfer

no code implementations CVPR 2022 Hao Jiang, Yadong Mu

To address it, this work explores a new solution for video summarization by transferring samples from a correlated task (i. e., video moment localization) equipped with abundant training data.

Video Summarization

Semi-asynchronous Hierarchical Federated Learning for Cooperative Intelligent Transportation Systems

no code implementations18 Oct 2021 Qimei Chen, Zehua You, Hao Jiang

Cooperative Intelligent Transport System (C-ITS) is a promising network to provide safety, efficiency, sustainability, and comfortable services for automated vehicles and road infrastructures by taking advantages from participants.

Federated Learning

Towards More Effective and Economic Sparsely-Activated Model

no code implementations14 Oct 2021 Hao Jiang, Ke Zhan, Jianwei Qu, Yongkang Wu, Zhaoye Fei, Xinyu Zhang, Lei Chen, Zhicheng Dou, Xipeng Qiu, Zikai Guo, Ruofei Lai, Jiawen Wu, Enrui Hu, Yinxia Zhang, Yantao Jia, Fan Yu, Zhao Cao

To increase the number of activated experts without an increase in computational cost, we propose SAM (Switch and Mixture) routing, an efficient hierarchical routing mechanism that activates multiple experts in a same device (GPU).

Towards Efficient NLP: A Standard Evaluation and A Strong Baseline

1 code implementation NAACL 2022 Xiangyang Liu, Tianxiang Sun, Junliang He, Jiawen Wu, Lingling Wu, Xinyu Zhang, Hao Jiang, Zhao Cao, Xuanjing Huang, Xipeng Qiu

ELUE is dedicated to depict the Pareto Frontier for various language understanding tasks, such that it can tell whether and how much a method achieves Pareto improvement.

Ego4D: Around the World in 3,000 Hours of Egocentric Video

8 code implementations CVPR 2022 Kristen Grauman, Andrew Westbury, Eugene Byrne, Zachary Chavis, Antonino Furnari, Rohit Girdhar, Jackson Hamburger, Hao Jiang, Miao Liu, Xingyu Liu, Miguel Martin, Tushar Nagarajan, Ilija Radosavovic, Santhosh Kumar Ramakrishnan, Fiona Ryan, Jayant Sharma, Michael Wray, Mengmeng Xu, Eric Zhongcong Xu, Chen Zhao, Siddhant Bansal, Dhruv Batra, Vincent Cartillier, Sean Crane, Tien Do, Morrie Doulaty, Akshay Erapalli, Christoph Feichtenhofer, Adriano Fragomeni, Qichen Fu, Abrham Gebreselasie, Cristina Gonzalez, James Hillis, Xuhua Huang, Yifei HUANG, Wenqi Jia, Weslie Khoo, Jachym Kolar, Satwik Kottur, Anurag Kumar, Federico Landini, Chao Li, Yanghao Li, Zhenqiang Li, Karttikeya Mangalam, Raghava Modhugu, Jonathan Munro, Tullie Murrell, Takumi Nishiyasu, Will Price, Paola Ruiz Puentes, Merey Ramazanova, Leda Sari, Kiran Somasundaram, Audrey Southerland, Yusuke Sugano, Ruijie Tao, Minh Vo, Yuchen Wang, Xindi Wu, Takuma Yagi, Ziwei Zhao, Yunyi Zhu, Pablo Arbelaez, David Crandall, Dima Damen, Giovanni Maria Farinella, Christian Fuegen, Bernard Ghanem, Vamsi Krishna Ithapu, C. V. Jawahar, Hanbyul Joo, Kris Kitani, Haizhou Li, Richard Newcombe, Aude Oliva, Hyun Soo Park, James M. Rehg, Yoichi Sato, Jianbo Shi, Mike Zheng Shou, Antonio Torralba, Lorenzo Torresani, Mingfei Yan, Jitendra Malik

We introduce Ego4D, a massive-scale egocentric video dataset and benchmark suite.

De-identification Ethics

YES SIR!Optimizing Semantic Space of Negatives with Self-Involvement Ranker

no code implementations14 Sep 2021 Ruizhi Pu, Xinyu Zhang, Ruofei Lai, Zikai Guo, Yinxia Zhang, Hao Jiang, Yongkang Wu, Yantao Jia, Zhicheng Dou, Zhao Cao

Finally, supervisory signal in rear compressor is computed based on condition probability and thus can control sample dynamic and further enhance the model performance.

Document Ranking Information Retrieval +1

Contrastive Learning of User Behavior Sequence for Context-Aware Document Ranking

1 code implementation24 Aug 2021 Yutao Zhu, Jian-Yun Nie, Zhicheng Dou, Zhengyi Ma, Xinyu Zhang, Pan Du, Xiaochen Zuo, Hao Jiang

To learn a more robust representation of the user behavior sequence, we propose a method based on contrastive learning, which takes into account the possible variations in user's behavior sequences.

Contrastive Learning Data Augmentation +1

Pre-training for Ad-hoc Retrieval: Hyperlink is Also You Need

1 code implementation20 Aug 2021 Zhengyi Ma, Zhicheng Dou, Wei Xu, Xinyu Zhang, Hao Jiang, Zhao Cao, Ji-Rong Wen

In this paper, we propose to leverage the large-scale hyperlinks and anchor texts to pre-train the language model for ad-hoc retrieval.

Language Modelling Retrieval

Millimeter-Wave NR-U and WiGig Coexistence: Joint User Grouping, Beam Coordination and Power Control

no code implementations11 Aug 2021 Xiaoxia Xu, Qimei Chen, Hao Jiang, Jun Huang

Our aim for the proposed coexistence network is to maximize the spectral efficiency while ensuring the strict NR-U delay requirement and the WiGig transmission performance in real time environments.

Proactive Retrieval-based Chatbots based on Relevant Knowledge and Goals

1 code implementation18 Jul 2021 Yutao Zhu, Jian-Yun Nie, Kun Zhou, Pan Du, Hao Jiang, Zhicheng Dou

The final response is selected according to the predicted knowledge, the goal to achieve, and the context.

Multi-Task Learning Retrieval

Graph-Embedded Multi-Agent Learning for Smart Reconfigurable THz MIMO-NOMA Networks

no code implementations15 Jul 2021 Xiaoxia Xu, Qimei Chen, Xidong Mu, Yuanwei Liu, Hao Jiang

With the accelerated development of immersive applications and the explosive increment of internet-of-things (IoT) terminals, 6G would introduce terahertz (THz) massive multiple-input multiple-output non-orthogonal multiple access (MIMO-NOMA) technologies to meet the ultra-high-speed transmission and massive connectivity requirements.

Answer Complex Questions: Path Ranker Is All You Need

3 code implementations Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval 2021 Xinyu Zhang, Ke Zhan, Enrui Hu, Chengzhen Fu, Lan Luo, Hao Jiang, Yantao Jia, Fan Yu, Zhicheng Dou, Zhao Cao, Lei Chen

Currently, the most popular method for open-domain Question Answering (QA) adopts "Retriever and Reader" pipeline, where the retriever extracts a list of candidate documents from a large set of documents followed by a ranker to rank the most relevant documents and the reader extracts answer from the candidates.

Open-Domain Question Answering

EasyCom: An Augmented Reality Dataset to Support Algorithms for Easy Communication in Noisy Environments

1 code implementation9 Jul 2021 Jacob Donley, Vladimir Tourbabin, Jung-Suk Lee, Mark Broyles, Hao Jiang, Jie Shen, Maja Pantic, Vamsi Krishna Ithapu, Ravish Mehra

In this work, we describe, evaluate and release a dataset that contains over 5 hours of multi-modal data useful for training and testing algorithms for the application of improving conversations for an AR glasses wearer.

Speech Enhancement

Early Exiting with Ensemble Internal Classifiers

no code implementations28 May 2021 Tianxiang Sun, Yunhua Zhou, Xiangyang Liu, Xinyu Zhang, Hao Jiang, Zhao Cao, Xuanjing Huang, Xipeng Qiu

In this paper, we show that a novel objective function for the training of the ensemble internal classifiers can be naturally induced from the perspective of ensemble learning and information theory.

Diversity Ensemble Learning

Emotion Eliciting Machine: Emotion Eliciting Conversation Generation based on Dual Generator

no code implementations18 May 2021 Hao Jiang, Yutao Zhu, Xinyu Zhang, Zhicheng Dou, Pan Du, Te Pi, Yantao Jia

Then we propose a dual encoder-decoder structure to model the generation of responses in both positive and negative side based on the changes of the user's emotion status in the conversation.

Decoder

A Semi-Supervised Classification Method of Apicomplexan Parasites and Host Cell Using Contrastive Learning Strategy

no code implementations14 Apr 2021 Yanni Ren, Hangyu Deng, Hao Jiang, Jinglu Hu

A common shortfall of supervised learning for medical imaging is the greedy need for human annotations, which is often expensive and time-consuming to obtain.

Contrastive Learning

Egocentric Pose Estimation from Human Vision Span

no code implementations ICCV 2021 Hao Jiang, Vamsi Krishna Ithapu

Existing approaches either use a narrow field of view front facing camera that barely captures the wearer, or an extruded head-mounted top-down camera for maximal wearer visibility.

Egocentric Pose Estimation Pose Estimation

Residual-Aided End-to-End Learning of Communication System without Known Channel

no code implementations22 Feb 2021 Hao Jiang, Shuangkaisheng Bi, Linglong Dai, Hao Wang, Jiankun Zhang

However, the gradient vanishing and overfitting problems of GAN will result in the serious performance degradation of E2E learning of communication system.

Generative Adversarial Network

Market2Dish: Health-aware Food Recommendation

1 code implementation11 Dec 2020 Wenjie Wang, Ling-Yu Duan, Hao Jiang, Peiguang Jing, Xuemeng Song, Liqiang Nie

With the rising incidence of some diseases, such as obesity and diabetes, a healthy diet is arousing increasing attention.

Food recommendation Nutrition +1

Variance Reduction for Deep Q-Learning using Stochastic Recursive Gradient

no code implementations25 Jul 2020 Haonan Jia, Xiao Zhang, Jun Xu, Wei Zeng, Hao Jiang, Xiaohui Yan, Ji-Rong Wen

Deep Q-learning algorithms often suffer from poor gradient estimations with an excessive variance, resulting in unstable training and poor sampling efficiency.

Q-Learning reinforcement-learning +1

Real-time 3D Deep Multi-Camera Tracking

no code implementations26 Mar 2020 Quanzeng You, Hao Jiang

Our DMCT consists of 1) a fast and novel perspective-aware Deep GroudPoint Network, 2) a fusion procedure for ground-plane occupancy heatmap estimation, 3) a novel Deep Glimpse Network for person detection and 4) a fast and accurate online tracker.

Human Detection Multi-Object Tracking

Review of data analysis in vision inspection of power lines with an in-depth discussion of deep learning technology

no code implementations22 Mar 2020 Xinyu Liu, Xiren Miao, Hao Jiang, Jing Chen

With the aim of providing a comprehensive overview for researchers who are interested in developing a deep-learning-based analysis system for power lines inspection data, this paper conducts a thorough review of the current literature and identifies the challenges for future research.

object-detection Small Object Detection

Overcoming Long-term Catastrophic Forgetting through Adversarial Neural Pruning and Synaptic Consolidation

1 code implementation19 Dec 2019 Jian Peng, Bo Tang, Hao Jiang, Zhuo Li, Yinjie Lei, Tao Lin, Haifeng Li

It is due to two facts: first, as the model learns more tasks, the intersection of the low-error parameter subspace satisfying for these tasks becomes smaller or even does not exist; second, when the model learns a new task, the cumulative error keeps increasing as the model tries to protect the parameter configuration of previous tasks from interference.

Image Classification

Inertial nonconvex alternating minimizations for the image deblurring

no code implementations27 Jul 2019 Tao Sun, Roberto Barrio, Marcos Rodriguez, Hao Jiang

In image processing, Total Variation (TV) regularization models are commonly used to recover blurred images.

Deblurring Image Deblurring +1

Heavy-ball Algorithms Always Escape Saddle Points

no code implementations23 Jul 2019 Tao Sun, Dongsheng Li, Zhe Quan, Hao Jiang, Shengguo Li, Yong Dou

In this paper, we answer a question: can the nonconvex heavy-ball algorithms with random initialization avoid saddle points?

Real-time Multiple People Hand Localization in 4D Point Clouds

no code implementations5 Mar 2019 Hao Jiang, Quanzeng You

Different from the traditional multiple view approaches, which find key points in 2D and then triangulate to recover the 3D locations, our method directly processes the dynamic 3D data that involve both clutter and crowd.

Iteratively reweighted penalty alternating minimization methods with continuation for image deblurring

no code implementations9 Feb 2019 Tao Sun, Dongsheng Li, Hao Jiang, Zhe Quan

In this paper, we consider a class of nonconvex problems with linear constraints appearing frequently in the area of image processing.

Deblurring Image Deblurring

Ego-Downward and Ambient Video based Person Location Association

no code implementations2 Dec 2018 Liang Yang, Hao Jiang, Jizhong Xiao, Zhouyuan Huo

To provide a possible solution to this problem, this paper proposes a camera system with both ego-downward and third-static view to perform localization and tracking in a learning approach.

Diversity

Non-ergodic Convergence Analysis of Heavy-Ball Algorithms

no code implementations5 Nov 2018 Tao Sun, Penghang Yin, Dongsheng Li, Chun Huang, Lei Guan, Hao Jiang

For objective functions satisfying a relaxed strongly convex condition, the linear convergence is established under weaker assumptions on the step size and inertial parameter than made in the existing literature.

A Detection and Segmentation Architecture for Skin Lesion Segmentation on Dermoscopy Images

no code implementations11 Sep 2018 Chengyao Qian, Ting Liu, Hao Jiang, Zhe Wang, Pengfei Wang, Mingxin Guan, Biao Sun

This report summarises our method and validation results for the ISIC Challenge 2018 - Skin Lesion Analysis Towards Melanoma Detection - Task 1: Lesion Segmentation.

Lesion Segmentation Segmentation +1

Action4D: Real-time Action Recognition in the Crowd and Clutter

no code implementations6 Jun 2018 Quanzeng You, Hao Jiang

In this paper, we propose a real-time action recognition method, Action4D, which gives reliable and accurate results in the real-world settings.

Action Recognition Temporal Action Localization

Long short-term memory networks in memristor crossbars

1 code implementation30 May 2018 Can Li, Zhongrui Wang, Mingyi Rao, Daniel Belkin, Wenhao Song, Hao Jiang, Peng Yan, Yunning Li, Peng Lin, Miao Hu, Ning Ge, John Paul Strachan, Mark Barnell, Qing Wu, R. Stanley Williams, J. Joshua Yang, Qiangfei Xia

Recent breakthroughs in recurrent deep neural networks with long short-term memory (LSTM) units has led to major advances in artificial intelligence.

Emerging Technologies Applied Physics

A convergence framework for inexact nonconvex and nonsmooth algorithms and its applications to several iterations

no code implementations12 Sep 2017 Tao Sun, Hao Jiang, Li-Zhi Cheng, Wei Zhu

In fact, a lot of classical inexact nonconvex and nonsmooth algorithms allow these three conditions.

Iteratively Linearized Reweighted Alternating Direction Method of Multipliers for a Class of Nonconvex Problems

no code implementations1 Sep 2017 Tao Sun, Hao Jiang, Lizhi Cheng, Wei Zhu

The traditional alternating direction method of multipliers encounters troubles in both mathematics and computations in solving the nonconvex and nonsmooth subproblem.

Research on Bi-mode Biometrics Based on Deep Learning

no code implementations16 May 2017 Hao Jiang

In view of the fact that biological characteristics have excellent independent distinguishing characteristics, biometric identification technology involves almost all the relevant areas of human distinction.

Detangling People: Individuating Multiple Close People and Their Body Parts via Region Assembly

no code implementations CVPR 2017 Hao Jiang, Kristen Grauman

In addition, we demonstrate its impact on a proxemics recognition task, which demands a precise representation of "whose body part is where" in crowded images.

Human Detection Semantic Segmentation

Matching Bags of Regions in RGBD images

no code implementations CVPR 2015 Hao Jiang

We study the new problem of matching regions between a pair of RGBD images given a large set of overlapping region proposals.

A Linear Approach to Matching Cuboids in RGBD Images

no code implementations CVPR 2013 Hao Jiang, Jianxiong Xiao

We propose a novel linear method to match cuboids in indoor scenes using RGBD images from Kinect.

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