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Self-supervised tasks have been utilized to build useful representations that can be used in downstream tasks when the annotation is unavailable. In this paper, we introduce a self-supervised video representation learning method based on…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Duc Quang Vu , Ngan T. H. Le , Jia-Ching Wang

Reinforcement Learning with Verifiable Rewards (RLVR) has substantially advanced the video understanding capabilities of Multimodal Large Language Models (MLLMs). However, the rapid progress of MLLMs is outpacing the complexity of existing…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zefeng He , Xiaoye Qu , Yafu Li , Siyuan Huang , Daizong Liu , Yu Cheng

Self-supervised learning has emerged as a powerful paradigm for label-free model pretraining, particularly in the video domain, where manual annotation is costly and time-intensive. However, existing self-supervised approaches employ…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Akash Kumar , Ashlesha Kumar , Vibhav Vineet , Yogesh S Rawat

Recent advances in deep learning have achieved promising performance for medical image analysis, while in most cases ground-truth annotations from human experts are necessary to train the deep model. In practice, such annotations are…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Jianbo Jiao , Richard Droste , Lior Drukker , Aris T. Papageorghiou , J. Alison Noble

Content creators often use music to enhance their videos, from soundtracks in movies to background music in video blogs and social media content. However, identifying the best music for a video can be a difficult and time-consuming task. To…

Multimedia · Computer Science 2024-12-24 Shanti Stewart , Gouthaman KV , Lie Lu , Andrea Fanelli

We present a self-supervised Contrastive Video Representation Learning (CVRL) method to learn spatiotemporal visual representations from unlabeled videos. Our representations are learned using a contrastive loss, where two augmented clips…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Rui Qian , Tianjian Meng , Boqing Gong , Ming-Hsuan Yang , Huisheng Wang , Serge Belongie , Yin Cui

Long-form video understanding presents significant challenges for interactive retrieval systems, as conventional methods struggle to process extensive video content efficiently. Existing approaches often rely on single models, inefficient…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Huu-Loc Tran , Tinh-Anh Nguyen-Nhu , Huu-Phong Phan-Nguyen , Tien-Huy Nguyen , Nhat-Minh Nguyen-Dich , Anh Dao , Huy-Duc Do , Quan Nguyen , Hoang M. Le , Quang-Vinh Dinh

Semantic representation is of great benefit to the video text tracking(VTT) task that requires simultaneously classifying, detecting, and tracking texts in the video. Most existing approaches tackle this task by appearance similarity in…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Zhuang Li , Weijia Wu , Mike Zheng Shou , Jiahong Li , Size Li , Zhongyuan Wang , Hong Zhou

We propose a novel supervised learning technique for summarizing videos by automatically selecting keyframes or key subshots. Casting the problem as a structured prediction problem on sequential data, our main idea is to use Long Short-Term…

Computer Vision and Pattern Recognition · Computer Science 2016-08-01 Ke Zhang , Wei-Lun Chao , Fei Sha , Kristen Grauman

Video restoration is a low-level vision task that seeks to restore clean, sharp videos from quality-degraded frames. One would use the temporal information from adjacent frames to make video restoration successful. Recently, the success of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Fu-Jen Tsai , Yan-Tsung Peng , Chen-Yu Chang , Chan-Yu Li , Yen-Yu Lin , Chung-Chi Tsai , Chia-Wen Lin

This paper introduces the problem of Fine-grained Incident Video Retrieval (FIVR). Given a query video, the objective is to retrieve all associated videos, considering several types of associations that range from duplicate videos to videos…

Multimedia · Computer Science 2019-03-26 Giorgos Kordopatis-Zilos , Symeon Papadopoulos , Ioannis Patras , Ioannis Kompatsiaris

Videos typically record the streaming and continuous visual data as discrete consecutive frames. Since the storage cost is expensive for videos of high fidelity, most of them are stored in a relatively low resolution and frame rate. Recent…

Image and Video Processing · Electrical Eng. & Systems 2022-06-10 Zeyuan Chen , Yinbo Chen , Jingwen Liu , Xingqian Xu , Vidit Goel , Zhangyang Wang , Humphrey Shi , Xiaolong Wang

Video Moment Retrieval (VMR) aims at retrieving the most relevant events from an untrimmed video with natural language queries. Existing VMR methods suffer from two defects: (1) massive expensive temporal annotations are required to obtain…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Xun Jiang , Zailei Zhou , Xing Xu , Yang Yang , Guoqing Wang , Heng Tao Shen

Video summarization aims to facilitate large-scale video browsing by producing short, concise summaries that are diverse and representative of original videos. In this paper, we formulate video summarization as a sequential decision-making…

Computer Vision and Pattern Recognition · Computer Science 2018-02-15 Kaiyang Zhou , Yu Qiao , Tao Xiang

Recently, deep learning based video super-resolution (SR) methods have achieved promising performance. To simultaneously exploit the spatial and temporal information of videos, employing 3-dimensional (3D) convolutions is a natural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Sheng Li , Fengxiang He , Bo Du , Lefei Zhang , Yonghao Xu , Dacheng Tao

Video content classification is an important research content in computer vision, which is widely used in many fields, such as image and video retrieval, computer vision. This paper presents a model that is a combination of Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Pradyumn Patil , Vishwajeet Pawar , Yashraj Pawar , Shruti Pisal

Recently, with the enormous growth of online videos, fast video retrieval research has received increasing attention. As an extension of image hashing techniques, traditional video hashing methods mainly depend on hand-crafted features and…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 Yj Dong , JG Li

We propose a Spatiotemporal Sampling Network (STSN) that uses deformable convolutions across time for object detection in videos. Our STSN performs object detection in a video frame by learning to spatially sample features from the adjacent…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Gedas Bertasius , Lorenzo Torresani , Jianbo Shi

With the explosive growth of web videos in recent years, large-scale Content-Based Video Retrieval (CBVR) becomes increasingly essential in video filtering, recommendation, and copyright protection. Segment-level CBVR (S-CBVR) locates the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Chen Jiang , Kaiming Huang , Sifeng He , Xudong Yang , Wei Zhang , Xiaobo Zhang , Yuan Cheng , Lei Yang , Qing Wang , Furong Xu , Tan Pan , Wei Chu

We introduce a novel self-supervised learning approach to learn representations of videos that are responsive to changes in the motion dynamics. Our representations can be learned from data without human annotation and provide a substantial…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Simon Jenni , Givi Meishvili , Paolo Favaro