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We present a novel, training-free approach to scene change detection. Our method leverages tracking models, which inherently perform change detection between consecutive frames of video by identifying common objects and detecting new or…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Kyusik Cho , Dong Yeop Kim , Euntai Kim

Contextual information plays an important role in action recognition. Local operations have difficulty to model the relation between two elements with a long-distance interval. However, directly modeling the contextual information between…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Congqi Cao , Yue Lu , Yifan Zhang , Dongmei Jiang , Yanning Zhang

Robust scene segmentation and keyframe extraction are essential preprocessing steps in video understanding pipelines, supporting tasks such as indexing, summarization, and semantic retrieval. However, existing methods often lack…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Vasilii Korolkov

Auto-regressive (AR) models, initially successful in language generation, have recently shown promise in visual generation tasks due to their superior sampling efficiency. Unlike image generation, video generation requires a substantially…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Xuan Shen , Weize Ma , Yufa Zhou , Enhao Tang , Yanyue Xie , Zhengang Li , Yifan Gong , Quanyi Wang , Henghui Ding , Yiwei Wang , Yanzhi Wang , Pu Zhao , Jun Lin , Jiuxiang Gu

Recent years have witnessed great progress in deep neural networks for real-time applications. However, most existing works do not explicitly consider the general case where the device's state and the available resources fluctuate over…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Lin Geng Foo , Jia Gong , Zhipeng Fan , Jun Liu

World Action Models (WAMs) improve robot manipulation by using video-based future representations to condition action generation. In pixel-space WAMs, however, the best action condition is not necessarily the fully denoised video.…

Robotics · Computer Science 2026-05-28 Yirui Sun , Guangyu Zhuge , Keliang Liu , Jie Gu , Xinyu Bing , Zhongxue Gan , Chunxu Tian

With recent advancements in video backbone architectures, combined with the remarkable achievements of large language models (LLMs), the analysis of long-form videos spanning tens of minutes has become both feasible and increasingly…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Yuxiao Chen , Jue Wang , Zhikang Zhang , Jingru Yi , Xu Zhang , Yang Zou , Zhaowei Cai , Jianbo Yuan , Xinyu Li , Hao Yang , Davide Modolo

One of the greatest challenges in the design of a real-time perception system for autonomous driving vehicles and drones is the conflicting requirement of safety (high prediction accuracy) and efficiency. Traditional approaches use a single…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Ziyao Tang , Yongxi Lu , Tara Javidi

Real-time object detection is critical for the decision-making process for many real-world applications, such as collision avoidance and path planning in autonomous driving. This work presents an innovative real-time streaming perception…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Xiang Zhang , Yufei Cui , Chenchen Fu , Weiwei Wu , Zihao Wang , Yuyang Sun , Xue Liu

Video Captioning is considered to be one of the most challenging problems in the field of computer vision. Video Captioning involves the combination of different deep learning models to perform object detection, action detection, and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Soheyla Amirian , Abolfazl Farahani , Hamid R. Arabnia , Khaled Rasheed , Thiab R. Taha

Video instance segmentation (VIS) aims at classifying, segmenting and tracking object instances in video sequences. Recent transformer-based neural networks have demonstrated their powerful capability of modeling spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Xiang Li , Jinglu Wang , Xiaohao Xu , Bhiksha Raj , Yan Lu

Video segmentation is essential for advancing robotics and autonomous driving, particularly in open-world settings where continuous perception and object association across video frames are critical. While the Segment Anything Model (SAM)…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Pinxue Guo , Zixu Zhao , Jianxiong Gao , Chongruo Wu , Tong He , Zheng Zhang , Tianjun Xiao , Wenqiang Zhang

This paper strives for activity recognition under domain shift, for example caused by change of scenery or camera viewpoint. The leading approaches reduce the shift in activity appearance by adversarial training and self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Yunhua Zhang , Hazel Doughty , Ling Shao , Cees G. M. Snoek

Action recognition, an essential component of computer vision, plays a pivotal role in multiple applications. Despite significant improvements brought by Convolutional Neural Networks (CNNs), these models suffer performance declines when…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Xingyu Song , Zhan Li , Shi Chen , Xin-Qiang Cai , Kazuyuki Demachi

The continual evolution of autonomous driving technology requires car-following models that can adapt to diverse and dynamic traffic environments. Traditional learning-based models often suffer from performance degradation when encountering…

Machine Learning · Computer Science 2024-07-22 Xianda Chen , PakHin Tiu , Xu Han , Junjie Chen , Yuanfei Wu , Xinhu Zheng , Meixin Zhu

The interest in leveraging Artificial Intelligence (AI) for surgical procedures to automate analysis has witnessed a significant surge in recent years. One of the primary tools for recording surgical procedures and conducting subsequent…

Temporal modelling is the key for efficient video action recognition. While understanding temporal information can improve recognition accuracy for dynamic actions, removing temporal redundancy and reusing past features can significantly…

Computer Vision and Pattern Recognition · Computer Science 2021-02-12 Yue Meng , Rameswar Panda , Chung-Ching Lin , Prasanna Sattigeri , Leonid Karlinsky , Kate Saenko , Aude Oliva , Rogerio Feris

The canonical approach to video action recognition dictates a neural model to do a classic and standard 1-of-N majority vote task. They are trained to predict a fixed set of predefined categories, limiting their transferable ability on new…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Mengmeng Wang , Jiazheng Xing , Yong Liu

Temporal action segmentation (TAS) in videos aims at densely identifying video frames in minutes-long videos with multiple action classes. As a long-range video understanding task, researchers have developed an extended collection of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Guodong Ding , Fadime Sener , Angela Yao

Motivated by emerging vision-based intelligent services, we consider the problem of rate adaptation for high quality and low delay visual information delivery over wireless networks using scalable video coding. Rate adaptation in this…

Multimedia · Computer Science 2017-04-11 Hussein Al-Zubaidy , Viktoria Fodor , György Dán , Markus Flierl