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Interactive video generation models such as Genie, YUME, HY-World, and Matrix-Game are advancing rapidly, yet every model is evaluated on its own benchmark with private scenes and trajectories, making fair cross-model comparison impossible.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Xiaojie Xu , Zhengyuan Lin , Kang He , Yukang Feng , Xiaofeng Mao , Yuanyang Yin , Kaipeng Zhang , Yongtao Ge

Action recognition has long been a fundamental and intriguing problem in artificial intelligence. The task is challenging due to the high dimensionality nature of an action, as well as the subtle motion details to be considered. Current…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Yuheng Yang , Haipeng Chen , Zhenguang Liu , Yingda Lyu , Beibei Zhang , Shuang Wu , Zhibo Wang , Kui Ren

Thanks to the substantial and explosively inscreased instructional videos on the Internet, novices are able to acquire knowledge for completing various tasks. Over the past decade, growing efforts have been devoted to investigating the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Yansong Tang , Jiwen Lu , Jie Zhou

We introduce a new task called Referring Atomic Video Action Recognition (RAVAR), aimed at identifying atomic actions of a particular person based on a textual description and the video data of this person. This task differs from…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Kunyu Peng , Jia Fu , Kailun Yang , Di Wen , Yufan Chen , Ruiping Liu , Junwei Zheng , Jiaming Zhang , M. Saquib Sarfraz , Rainer Stiefelhagen , Alina Roitberg

Large Action models are essential for enabling autonomous agents to perform complex tasks. However, training such models remains challenging due to the diversity of agent environments and the complexity of noisy agentic data. Existing…

Detecting and recognizing human action in videos with crowded scenes is a challenging problem due to the complex environment and diversity events. Prior works always fail to deal with this problem in two aspects: (1) lacking utilizing…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Li Yuan , Yichen Zhou , Shuning Chang , Ziyuan Huang , Yunpeng Chen , Xuecheng Nie , Tao Wang , Jiashi Feng , Shuicheng Yan

Video-based human action recognition is currently one of the most active research areas in computer vision. Various research studies indicate that the performance of action recognition is highly dependent on the type of features being…

Computer Vision and Pattern Recognition · Computer Science 2019-10-02 Lei Wang , Du Q. Huynh , Piotr Koniusz

Recent innovations in multimodal action models represent a promising direction for developing general-purpose agentic systems, combining visual understanding, language comprehension, and action generation. We introduce MultiNet - a novel,…

Machine Learning · Computer Science 2025-06-18 Pranav Guruprasad , Yangyue Wang , Sudipta Chowdhury , Jaewoo Song , Harshvardhan Sikka

The problem of action recognition involves locating the action in the video, both over time and spatially in the image. The dominant current approaches use supervised learning to solve this problem, and require large amounts of annotated…

Computer Vision and Pattern Recognition · Computer Science 2020-03-30 Sathyanarayanan N. Aakur , Sudeep Sarkar

Video Question Answering (VQA) inherently relies on multimodal reasoning, integrating visual, temporal, and linguistic cues to achieve a deeper understanding of video content. However, many existing methods rely on feeding frame-level…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Noriyuki Kugo , Xiang Li , Zixin Li , Ashish Gupta , Arpandeep Khatua , Nidhish Jain , Chaitanya Patel , Yuta Kyuragi , Yasunori Ishii , Masamoto Tanabiki , Kazuki Kozuka , Ehsan Adeli

This paper proposes a novel multi-modal transformer network for detecting actions in untrimmed videos. To enrich the action features, our transformer network utilizes a new multi-modal attention mechanism that computes the correlations…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Matthew Korban , Scott T. Acton , Peter Youngs

Action Quality Assessment (AQA) is pivotal for quantifying actions across domains like sports and medical care. Existing methods often rely on pre-trained backbones from large-scale action recognition datasets to boost performance on…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Kanglei Zhou , Junlin Li , Ruizhi Cai , Liyuan Wang , Xingxing Zhang , Xiaohui Liang

Analyzing student actions is an important and challenging task in educational research. Existing efforts have been hampered by the lack of accessible datasets to capture the nuanced action dynamics in classrooms. In this paper, we present a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Zhuolin Tan , Chenqiang Gao , Anyong Qin , Ruixin Chen , Tiecheng Song , Feng Yang , Deyu Meng

Training computer-use agents requires massive amounts of GUI interaction data, but manually annotating action trajectories at scale is prohibitively expensive. We present VideoAgentTrek, a scalable pipeline that automatically mines training…

In this paper, we tackle the problem of action recognition using body skeletons extracted from video sequences. Our approach lies in the continuity of recent works representing video frames by Gramian matrices that describe a trajectory on…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Benjamin Szczapa , Mohamed Daoudi , Stefano Berretti , Alberto Del Bimbo , Pietro Pala , Estelle Massart

Understanding the complex, multi-agent dynamics of urban traffic remains a fundamental challenge for video language models. This paper introduces Urban Dynamics VideoQA, a benchmark dataset that captures the unscripted real-world behavior…

Long video question answering (Long-Video QA) increasingly relies on agentic tool use to retrieve evidence from long videos. In realistic settings, this process often requires multi-hop retrieval, where agents must iteratively gather…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Rongyi Yu , Chenyuan Duan , Wentao Zhang

Understanding movies and their structural patterns is a crucial task in decoding the craft of video editing. While previous works have developed tools for general analysis, such as detecting characters or recognizing cinematography…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Alejandro Pardo , Fabian Caba Heilbron , Juan León Alcázar , Ali Thabet , Bernard Ghanem

Over the past few years, there has been significant interest in video action recognition systems and models. However, direct comparison of accuracy and computational performance results remain clouded by differing training environments,…

We introduce Action Discovery, a novel setup within Temporal Action Segmentation that addresses the challenge of defining and annotating ambiguous actions and incomplete annotations in partially labeled datasets. In this setup, only a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Federico Spurio , Emad Bahrami , Olga Zatsarynna , Yazan Abu Farha , Gianpiero Francesca , Juergen Gall