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Autoregressive (AR) diffusion enables streaming, interactive long-video generation by producing frames causally, yet maintaining coherence over minute-scale horizons remains challenging due to accumulated errors, motion drift, and content…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Yifei Yu , Xiaoshan Wu , Xinting Hu , Tao Hu , Yangtian Sun , Xiaoyang Lyu , Bo Wang , Lin Ma , Yuewen Ma , Zhongrui Wang , Xiaojuan Qi

The challenge of long-term video understanding remains constrained by the efficient extraction of object semantics and the modelling of their relationships for downstream tasks. Although the CLIP visual features exhibit discriminative…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Rui Dai , Srijan Das , Michael S. Ryoo , Francois Bremond

To date, machine learning for human action recognition in video has been widely implemented in sports activities. Although some studies have been successful in the past, precision is still the most significant concern. In this study, we…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Cheng Yan , Xin Li , Guoqiang Li

Interactive video generation has significant potential for scene simulation and video creation. However, existing methods often struggle with maintaining scene consistency during long video generation under dynamic camera control due to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Xinhang Gao , Junlin Guan , Shuhan Luo , Wenzhuo Li , Guanghuan Tan , Jiacheng Wang

Despite the rapid progress, existing works on action understanding focus strictly on one type of action agent, which we call actor---a human adult, ignoring the diversity of actions performed by other actors. To overcome this narrow…

Computer Vision and Pattern Recognition · Computer Science 2017-05-01 Chenliang Xu , Caiming Xiong , Jason J. Corso

This paper is a brief report to our submission to the VIPriors Action Recognition Challenge. Action recognition has attracted many researchers attention for its full application, but it is still challenging. In this paper, we study previous…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Zhipeng Luo , Dawei Xu , Zhiguang Zhang

Sports videos pose complex challenges, including cluttered backgrounds, camera angle changes, small action-representing objects, and imbalanced action class distribution. Existing methods for detecting actions in sports videos heavily rely…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Kim Hoang Tran , Phuc Vuong Do , Ngoc Quoc Ly , Ngan Le

Continuous detection of human activities and presence is essential for developing a pervasive interactive smart space. Existing literature lacks robust wireless sensing mechanisms capable of continuously monitoring multiple users'…

Human-Computer Interaction · Computer Science 2023-09-22 Argha Sen , Anirban Das , Swadhin Pradhan , Sandip Chakraborty

Deep convolutional networks have achieved great success for image recognition. However, for action recognition in videos, their advantage over traditional methods is not so evident. We present a general and flexible video-level framework…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Limin Wang , Yuanjun Xiong , Zhe Wang , Yu Qiao , Dahua Lin , Xiaoou Tang , Luc Van Gool

With exponential increase in the availability oftelemetry / streaming / real-time data, understanding contextualbehavior changes is a vital functionality in order to deliverunrivalled customer experience and build high performance andhigh…

Social and Information Networks · Computer Science 2019-02-19 Amit Kumar , Tanya Ahuja , Rajesh Kumar Madabhattula , Murali Kante , Srinivasa Rao Aravilli

In this paper, we present Adaptive Computation Steps (ACS) algo-rithm, which enables end-to-end speech recognition models to dy-namically decide how many frames should be processed to predict a linguistic output. The model that applies ACS…

Audio and Speech Processing · Electrical Eng. & Systems 2018-09-27 Mohan Li , Min Liu , Masanori Hattori

Future trajectories of neighboring traffic agents have a significant influence on the path planning and decision-making of autonomous vehicles. While trajectory forecasting is a well-studied field, research mainly focuses on snapshot-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Alexander Prutsch , David Schinagl , Horst Possegger

Human Activity Recognition (HAR) has become increasingly popular with ubiquitous computing, driven by the popularity of wearable sensors in fields like healthcare and sports. While Convolutional Neural Networks (ConvNets) have significantly…

Signal Processing · Electrical Eng. & Systems 2024-05-31 Shuai Shao , Yu Guan , Victor Sanchez

How to model fine-grained spatial-temporal dynamics in videos has been a challenging problem for action recognition. It requires learning deep and rich features with superior distinctiveness for the subtle and abstract motions. Most…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Hanxi Lin , Xinxiao Wu , Jiebo Luo

This chapter aims to aid the development of Cyber-Physical Systems (CPS) in automated understanding of events and activities in various applications of video-surveillance. These events are mostly captured by drones, CCTVs or novice and…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Swarnabja Bhaumik , Prithwish Jana , Partha Pratim Mohanta

Video action detection approaches usually conduct actor-centric action recognition over RoI-pooled features following the standard pipeline of Faster-RCNN. In this work, we first empirically find the recognition accuracy is highly…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Jianchao Wu , Zhanghui Kuang , Limin Wang , Wayne Zhang , Gangshan Wu

Automotive radar sensors provide valuable information for advanced driving assistance systems (ADAS). Radars can reliably estimate the distance to an object and the relative velocity, regardless of weather and light conditions. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Colin Decourt , Rufin VanRullen , Didier Salle , Thomas Oberlin

Video action recognition (VAR) is a primary task of video understanding, and untrimmed videos are more common in real-life scenes. Untrimmed videos have redundant and diverse clips containing contextual information, so sampling dense clips…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Yunyan Hong , Ailing Zeng , Min Li , Cewu Lu , Li Jiang , Qiang Xu

Training an effective video action recognition model poses significant computational challenges, particularly under limited resource budgets. Current methods primarily aim to either reduce model size or utilize pre-trained models, limiting…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Harry Cheng , Yangyang Guo , Liqiang Nie , Zhiyong Cheng , Mohan Kankanhalli

Video compression has always been a popular research area, where many traditional and deep video compression methods have been proposed. These methods typically rely on signal prediction theory to enhance compression performance by…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Lv Tang , Xinfeng Zhang , Gai Zhang , Xiaoqi Ma
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