English
Related papers

Related papers: TinyVIRAT: Low-resolution Video Action Recognition

200 papers

Recognizing human actions in adverse lighting conditions presents significant challenges in computer vision, with wide-ranging applications in visual surveillance and nighttime driving. Existing methods tackle action recognition and dark…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Anwaar Ulhaq

Human action recognition in low-light environments is crucial for various real-world applications. However, the existing approaches overlook the full utilization of brightness information throughout the training phase, leading to suboptimal…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Shihao Cheng , Jinlu Zhang , Yue Liu , Zhigang Tu

Action recognition is so far mainly focusing on the problem of classification of hand selected preclipped actions and reaching impressive results in this field. But with the performance even ceiling on current datasets, it also appears that…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Hilde Kuehne , Ahsan Iqbal , Alexander Richard , Juergen Gall

Semi-supervised video action recognition tends to enable deep neural networks to achieve remarkable performance even with very limited labeled data. However, existing methods are mainly transferred from current image-based methods (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Junfei Xiao , Longlong Jing , Lin Zhang , Ju He , Qi She , Zongwei Zhou , Alan Yuille , Yingwei Li

We present a method for weakly-supervised action localization based on graph convolutions. In order to find and classify video time segments that correspond to relevant action classes, a system must be able to both identify discriminative…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Maheen Rashid , Hedvig Kjellström , Yong Jae Lee

Video anomaly detection is to determine whether there are any abnormal events, behaviors or objects in a given video, which enables effective and intelligent public safety management. As video anomaly labeling is both time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Yang Wang , Jiaogen Zhou , Jihong Guan

The identification of source cameras from videos, though it is a highly relevant forensic analysis topic, has been studied much less than its counterpart that uses images. In this work we propose a method to identify the source camera of a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Derrick Timmerman , Swaroop Bennabhaktula , Enrique Alegre , George Azzopardi

Derived from rapid advances in computer vision and machine learning, video analysis tasks have been moving from inferring the present state to predicting the future state. Vision-based action recognition and prediction from videos are such…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Yu Kong , Yun Fu

The application of activity recognition in the ``AI + Education" field is gaining increasing attention. However, current work mainly focuses on the recognition of activities in manually captured videos and a limited number of activity…

Enabling computational systems with the ability to localize actions in video-based content has manifold applications. Traditionally, such a problem is approached in a fully-supervised setting where video-clips with complete frame-by-frame…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Kurt Degiorgio , Fabio Cuzzolin

Temporal action detection (TAD) aims to detect all action boundaries and their corresponding categories in an untrimmed video. The unclear boundaries of actions in videos often result in imprecise predictions of action boundaries by…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Dingfeng Shi , Qiong Cao , Yujie Zhong , Shan An , Jian Cheng , Haogang Zhu , Dacheng Tao

Action recognition is an important problem that requires identifying actions in video by learning complex interactions across scene actors and objects. However, modern deep-learning based networks often require significant computation, and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Yi Huang , Asim Kadav , Farley Lai , Deep Patel , Hans Peter Graf

Videos are unique in their ability to capture actions which transcend multiple frames. Accordingly, for many years action recognition was the quintessential task for video understanding. Unfortunately, due to a lack of sufficiently diverse…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Tanush Yadav , Mohammadreza Salehi , Jae Sung Park , Vivek Ramanujan , Hannaneh Hajishirzi , Yejin Choi , Ali Farhadi , Rohun Tripathi , Ranjay Krishna

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

To enable a safe and effective human-robot cooperation, it is crucial to develop models for the identification of human activities. Egocentric vision seems to be a viable solution to solve this problem, and therefore many works provide deep…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Gabriele Goletto , Mirco Planamente , Barbara Caputo , Giuseppe Averta

Temporal forgery localization aims to temporally identify manipulated segments in videos. Most existing benchmarks focus on appearance-level forgeries, such as face swapping and object removal. However, recent advances in video generation…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Peijun Bao , Anwei Luo , Gang Pan , Alex C. Kot , Xudong Jiang

Weakly-supervised action localization aims to recognize and localize action instancese in untrimmed videos with only video-level labels. Most existing models rely on multiple instance learning(MIL), where the predictions of unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Guiqin Wang , Peng Zhao , Cong Zhao , Shusen Yang , Jie Cheng , Luziwei Leng , Jianxing Liao , Qinghai Guo

Action recognition models have achieved promising results in understanding instructional videos. However, they often rely on dominant, dataset-specific action sequences rather than true video comprehension, a problem that we define as…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Joochan Kim , Minjoon Jung , Byoung-Tak Zhang

Video action recognition is one of the representative tasks for video understanding. Over the last decade, we have witnessed great advancements in video action recognition thanks to the emergence of deep learning. But we also encountered…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Yi Zhu , Xinyu Li , Chunhui Liu , Mohammadreza Zolfaghari , Yuanjun Xiong , Chongruo Wu , Zhi Zhang , Joseph Tighe , R. Manmatha , Mu Li

The growing demand for surveillance in public spaces presents significant challenges due to the shortage of human resources. Current AI-based video surveillance systems heavily rely on core computer vision models that require extensive…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Joao Pereira , Vasco Lopes , David Semedo , Joao Neves