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Action quality assessment (AQA) aims at automatically judging human action based on a video of the said action and assigning a performance score to it. The majority of works in the existing literature on AQA divide RGB videos into short…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Shafkat Farabi , Hasibul Himel , Fakhruddin Gazzali , Md. Bakhtiar Hasan , Md. Hasanul Kabir , Moshiur Farazi

Video Question Answering (Video QA) requires fine-grained understanding of both video and language modalities to answer the given questions. In this paper, we propose novel training schemes for multiple-choice video question answering with…

Computation and Language · Computer Science 2020-12-15 Seonhoon Kim , Seohyeong Jeong , Eunbyul Kim , Inho Kang , Nojun Kwak

Long-term action quality assessment (AQA) focuses on evaluating the quality of human activities in videos lasting up to several minutes. This task plays an important role in the automated evaluation of artistic sports such as rhythmic…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Xin Wang , Peng-Jie Li , Yuan-Yuan Shen

Action Quality Assessment (AQA) aims to score how well an action is performed and is widely used in sports analysis, rehabilitation assessment, and human skill evaluation. Multi-modal AQA has recently achieved strong progress by leveraging…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Kanglei Zhou , Chang Li , Qingyi Pan , Liyuan Wang

Multi-modal reasoning in visual question answering (VQA) has witnessed rapid progress recently. However, most reasoning models heavily rely on shortcuts learned from training data, which prevents their usage in challenging real-world…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Qi Zheng , Chaoyue Wang , Daqing Liu , Dadong Wang , Dacheng Tao

Contrastive learning has been shown to produce generalizable representations of audio and visual data by maximizing the lower bound on the mutual information (MI) between different views of an instance. However, obtaining a tight lower…

Machine Learning · Computer Science 2021-04-20 Shuang Ma , Zhaoyang Zeng , Daniel McDuff , Yale Song

Real-world multi-agent tasks usually involve dynamic team composition with the emergence of roles, which should also be a key to efficient cooperation in multi-agent reinforcement learning (MARL). Drawing inspiration from the correlation…

Multiagent Systems · Computer Science 2024-03-05 Zican Hu , Zongzhang Zhang , Huaxiong Li , Chunlin Chen , Hongyu Ding , Zhi Wang

Automatic code review (ACR), aiming to relieve manual inspection costs, is an indispensable and essential task in software engineering. The existing works only use the source code fragments to predict the results, missing the exploitation…

Software Engineering · Computer Science 2022-05-31 Bingting Wu , Xiaofang Zhang

Action Quality Assessment (AQA) aims to evaluate and score sports actions, which has attracted widespread interest in recent years. Existing AQA methods primarily predict scores based on features extracted from the entire video, resulting…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Yongji Zhang , Siqi Li , Yue Gao , Yu Jiang

Assessing action quality from videos has attracted growing attention in recent years. Most existing approaches usually tackle this problem based on regression algorithms, which ignore the intrinsic ambiguity in the score labels caused by…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Yansong Tang , Zanlin Ni , Jiahuan Zhou , Danyang Zhang , Jiwen Lu , Ying Wu , Jie Zhou

Contrastive learning has become pivotal in unsupervised representation learning, with frameworks like Momentum Contrast (MoCo) effectively utilizing large negative sample sets to extract discriminative features. However, traditional…

Machine Learning · Computer Science 2025-01-29 Duy Hoang , Huy Ngo , Khoi Pham , Tri Nguyen , Gia Bao , Huy Phan

Existing pre-training methods for extractive Question Answering (QA) generate cloze-like queries different from natural questions in syntax structure, which could overfit pre-trained models to simple keyword matching. In order to address…

Computation and Language · Computer Science 2023-10-17 Minda Hu , Muzhi Li , Yasheng Wang , Irwin King

No-reference point cloud quality assessment (NR-PCQA) aims to automatically evaluate the perceptual quality of distorted point clouds without available reference, which have achieved tremendous improvements due to the utilization of deep…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Ziyu Shan , Yujie Zhang , Qi Yang , Haichen Yang , Yiling Xu , Jenq-Neng Hwang , Xiaozhong Xu , Shan Liu

In this paper, we introduce a novel Multi-Modal Contrastive Pre-training Framework that synergistically combines X-rays, electrocardiograms (ECGs), and radiology/cardiology reports. Our approach leverages transformers to encode these…

Artificial Intelligence · Computer Science 2024-10-24 Samrajya Thapa , Koushik Howlader , Subhankar Bhattacharjee , Wei le

Can learning to measure the quality of an action help in measuring the quality of other actions? If so, can consolidated samples from multiple actions help improve the performance of current approaches? In this paper, we carry out…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Paritosh Parmar , Brendan Tran Morris

Evaluating the quality of documents is essential for filtering valuable content from the current massive amount of information. Conventional approaches typically rely on a single score as a supervision signal for training content quality…

Computation and Language · Computer Science 2024-10-11 Jiasheng Zheng , Hongyu Lin , Boxi Cao , Meng Liao , Yaojie Lu , Xianpei Han , Le Sun

MoCo is effective for unsupervised image representation learning. In this paper, we propose VideoMoCo for unsupervised video representation learning. Given a video sequence as an input sample, we improve the temporal feature representations…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Tian Pan , Yibing Song , Tianyu Yang , Wenhao Jiang , Wei Liu

Learning self-supervised representations using reconstruction or contrastive losses improves performance and sample complexity of image-based and multimodal reinforcement learning (RL). Here, different self-supervised loss functions have…

Machine Learning · Computer Science 2024-06-27 Philipp Becker , Sebastian Mossburger , Fabian Otto , Gerhard Neumann

This paper introduces a novel perspective to significantly mitigate catastrophic forgetting in continuous learning (CL), which emphasizes models' capacity to preserve existing knowledge and assimilate new information. Current replay-based…

Machine Learning · Computer Science 2024-04-10 Jianshu Zhang , Yankai Fu , Ziheng Peng , Dongyu Yao , Kun He

We introduce supervised contrastive active learning (SCAL) and propose efficient query strategies in active learning based on the feature similarity (featuresim) and principal component analysis based feature-reconstruction error (fre) to…

Machine Learning · Computer Science 2022-08-16 Ranganath Krishnan , Nilesh Ahuja , Alok Sinha , Mahesh Subedar , Omesh Tickoo , Ravi Iyer