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Enhancing the fine-grained instance spatiotemporal motion perception capabilities of Video Large Language Models is crucial for improving their temporal and general video understanding. However, current models struggle to perceive detailed…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Jiaze Li , Yaya Shi , Zongyang Ma , Haoran Xu , Feng Cheng , Huihui Xiao , Ruiwen Kang , Fan Yang , Tingting Gao , Di Zhang

As the success of deep models has led to their deployment in all areas of computer vision, it is increasingly important to understand how these representations work and what they are capturing. In this paper, we shed light on deep…

Computer Vision and Pattern Recognition · Computer Science 2018-01-08 Christoph Feichtenhofer , Axel Pinz , Richard P. Wildes , Andrew Zisserman

Video representation learning has recently attracted attention in computer vision due to its applications for activity and scene forecasting or vision-based planning and control. Video prediction models often learn a latent representation…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Rama Krishna Kandukuri , Jan Achterhold , Michael Möller , Jörg Stückler

Video action recognition, which is topical in computer vision and video analysis, aims to allocate a short video clip to a pre-defined category such as brushing hair or climbing stairs. Recent works focus on action recognition with deep…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Yuqi Huo , Xiaoli Xu , Yao Lu , Yulei Niu , Zhiwu Lu , Ji-Rong Wen

Dance is an essential component of human culture and serves as a tool for conveying emotions and telling stories. Identifying and distinguishing dance genres based on motion data is a complex problem in human activity recognition, as many…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Ben Hamscher , Arnold Brosch , Nicolas Binninger , Maksymilian Jan Dejna , Kira Maag

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

Human activity recognition is typically addressed by detecting key concepts like global and local motion, features related to object classes present in the scene, as well as features related to the global context. The next open challenges…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Fabien Baradel , Natalia Neverova , Christian Wolf , Julien Mille , Greg Mori

In this work, we propose a motion embedding strategy known as motion codes, which is a vectorized representation of motions based on a manipulation's salient mechanical attributes. These motion codes provide a robust motion representation,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Maxat Alibayev , David Paulius , Yu Sun

Context plays a significant role in the generation of motion for dynamic agents in interactive environments. This work proposes a modular method that utilises a learned model of the environment for motion prediction. This modularity…

Machine Learning · Computer Science 2021-01-05 Todor Davchev , Michael Burke , Subramanian Ramamoorthy

Graph Neural Networks are perfectly suited to capture latent interactions between various entities in the spatio-temporal domain (e.g. videos). However, when an explicit structure is not available, it is not obvious what atomic elements…

Computer Vision and Pattern Recognition · Computer Science 2021-12-08 Iulia Duta , Andrei Nicolicioiu , Marius Leordeanu

Object proposals for detecting moving or static video objects need to address issues such as speed, memory complexity and temporal consistency. We propose an efficient Video Object Proposal (VOP) generation method and show its efficacy in…

Computer Vision and Pattern Recognition · Computer Science 2016-01-22 Subarna Tripathi , Serge Belongie , Youngbae Hwang , Truong Nguyen

We present an approach for pixel-level future prediction given an input image of a scene. We observe that a scene is comprised of distinct entities that undergo motion and present an approach that operationalizes this insight. We implicitly…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Yufei Ye , Maneesh Singh , Abhinav Gupta , Shubham Tulsiani

Few-shot video classification aims to learn new video categories with only a few labeled examples, alleviating the burden of costly annotation in real-world applications. However, it is particularly challenging to learn a class-invariant…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Songyang Zhang , Jiale Zhou , Xuming He

Path prediction is a fundamental task for estimating how pedestrians or vehicles are going to move in a scene. Because path prediction as a task of computer vision uses video as input, various information used for prediction, such as the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Tsubasa Hirakawa , Takayoshi Yamashita , Toru Tamaki , Hironobu Fujiyoshi

Object detection in video is crucial for many applications. Compared to images, video provides additional cues which can help to disambiguate the detection problem. Our goal in this paper is to learn discriminative models for the temporal…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Tuan-Hung Vu , Anton Osokin , Ivan Laptev

Spatio-temporal representation learning is critical for video self-supervised representation. Recent approaches mainly use contrastive learning and pretext tasks. However, these approaches learn representation by discriminating sampled…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Yujia Zhang , Lai-Man Po , Xuyuan Xu , Mengyang Liu , Yexin Wang , Weifeng Ou , Yuzhi Zhao , Wing-Yin Yu

Traditionally, vision models have predominantly relied on spatial features extracted from static images, deviating from the continuous stream of spatiotemporal features processed by the brain in natural vision. While numerous…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Amir Hosein Fadaei , Mohammad-Reza A. Dehaqani

This work is in the field of video surveillance including motion detection. The video surveillance is one of essential techniques for automatic video analysis to extract crucial information or relevant scenes in video surveillance systems.…

Computer Vision and Pattern Recognition · Computer Science 2016-08-15 Larbi Guezouli , Hanane Belhani

Video captioning is a challenging task that requires a deep understanding of visual scenes. State-of-the-art methods generate captions using either scene-level or object-level information but without explicitly modeling object interactions.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Boxiao Pan , Haoye Cai , De-An Huang , Kuan-Hui Lee , Adrien Gaidon , Ehsan Adeli , Juan Carlos Niebles

Existing approaches for spatio-temporal action detection in videos are limited by the spatial extent and temporal duration of the actions. In this paper, we present a modular system for spatio-temporal action detection in untrimmed security…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Joshua Gleason , Rajeev Ranjan , Steven Schwarcz , Carlos D. Castillo , Jun-Chen Cheng , Rama Chellappa