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Predicting the relevance between two given videos with respect to their visual content is a key component for content-based video recommendation and retrieval. Thanks to the increasing availability of pre-trained image and video…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Jianfeng Dong , Xun Wang , Leimin Zhang , Chaoxi Xu , Gang Yang , Xirong Li

Despite recent advances in video action recognition achieving strong performance on existing benchmarks, these models often lack robustness when faced with natural distribution shifts between training and test data. We propose two novel…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Kiyoon Kim , Shreyank N Gowda , Panagiotis Eustratiadis , Antreas Antoniou , Robert B Fisher

In recent years, person re-identification (PReID) has become a hot topic in computer vision duo to it is an important part in intelligent surveillance. Many state-of-the-art PReID methods are attention-based or multi-scale feature learning…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Di Wu , Chao Wang , Yong Wu , De-Shuang Huang

The widespread implementation of urban surveillance systems has necessitated more sophisticated techniques for anomaly detection to ensure enhanced public safety. This paper presents a significant advancement in the field of anomaly…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Sareh Soltani Nejad , Anwar Haque

Recent advances in deep learning have markedly improved the quality of visual-attention modelling. In this work we apply these advances to video compression. We propose a compression method that uses a saliency model to adaptively compress…

Computer Vision and Pattern Recognition · Computer Science 2019-07-25 Vitaliy Lyudvichenko , Mikhail Erofeev , Alexander Ploshkin , Dmitriy Vatolin

Despite excellent progress has been made, the performance on action recognition still heavily relies on specific datasets, which are difficult to extend new action classes due to labor-intensive labeling. Moreover, the high diversity in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Xiaoyuan Ni , Sizhe Song , Yu-Wing Tai , Chi-Keung Tang

We explore the black-box adversarial attack on video recognition models. Attacks are only performed on selected key regions and key frames to reduce the high computation cost of searching adversarial perturbations on a video due to its high…

Cryptography and Security · Computer Science 2021-09-01 Zeyuan Wang , Chaofeng Sha , Su Yang

In recent years, surveillance cameras are widely deployed in public places, and the general crime rate has been reduced significantly due to these ubiquitous devices. Usually, these cameras provide cues and evidence after crimes are…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Ming Cheng , Kunjing Cai , Ming Li

Video action recognition is a challenging but important task for understanding and discovering what the video does. However, acquiring annotations for a video is costly, and semi-supervised learning (SSL) has been studied to improve…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Seokun Kang , Taehwan Kim

This paper proposes a novel pretext task to address the self-supervised video representation learning problem. Specifically, given an unlabeled video clip, we compute a series of spatio-temporal statistical summaries, such as the spatial…

Computer Vision and Pattern Recognition · Computer Science 2021-02-01 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Wei Liu , Yun-hui Liu

In this paper, we propose a novel video super-resolution method that aims at generating high-fidelity high-resolution (HR) videos from low-resolution (LR) ones. Previous methods predominantly leverage temporal neighbor frames to assist the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Jiyang Yu , Jingen Liu , Liefeng Bo , Tao Mei

Instrument playing is among the most common scenes in music-related videos, which represent nowadays one of the largest sources of online videos. In order to understand the instrument-playing scenes in the videos, it is important to know…

Multimedia · Computer Science 2018-05-08 Jen-Yu Liu , Yi-Hsuan Yang , Shyh-Kang Jeng

Video anomaly detection (VAD) aims to discover behaviors or events deviating from the normality in videos. As a long-standing task in the field of computer vision, VAD has witnessed much good progress. In the era of deep learning, with the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Peng Wu , Chengyu Pan , Yuting Yan , Guansong Pang , Peng Wang , Yanning Zhang

Attentive video modeling is essential for action recognition in unconstrained videos due to their rich yet redundant information over space and time. However, introducing attention in a deep neural network for action recognition is…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Juan-Manuel Perez-Rua , Brais Martinez , Xiatian Zhu , Antoine Toisoul , Victor Escorcia , Tao Xiang

Recent breakthroughs in Go play and strategic games have witnessed the great potential of reinforcement learning in intelligently scheduling in uncertain environment, but some bottlenecks are also encountered when we generalize this…

Machine Learning · Computer Science 2018-12-27 Xingxing Liang , Qi Wang , Yanghe Feng , Zhong Liu , Jincai Huang

In reinforcement learning algorithms, it is a common practice to account for only a single view of the environment to make the desired decisions; however, utilizing multiple views of the environment can help to promote the learning of…

Machine Learning · Computer Science 2019-05-13 Elaheh Barati , Xuewen Chen , Zichun Zhong

Attention mechanism has demonstrated great potential in fine-grained visual recognition tasks. In this paper, we present a counterfactual attention learning method to learn more effective attention based on causal inference. Unlike most…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Yongming Rao , Guangyi Chen , Jiwen Lu , Jie Zhou

In the recent years, there has been a tremendous increase in the amount of video content uploaded to social networking and video sharing websites like Facebook and Youtube. As of result of this, the risk of children getting exposed to adult…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Praveen Tirupattur , Christian Schulze , Andreas Dengel

Anomaly activities such as robbery, explosion, accidents, etc. need immediate actions for preventing loss of human life and property in real world surveillance systems. Although the recent automation in surveillance systems are capable of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Snehashis Majhi , Srijan Das , Francois Bremond , Ratnakar Dash , Pankaj Kumar Sa

Stereo video retargeting aims to resize an image to a desired aspect ratio. The quality of retargeted videos can be significantly impacted by the stereo videos spatial, temporal, and disparity coherence, all of which can be impacted by the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Hassan Imani , Md Baharul Islam , Lai-Kuan Wong