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Video generation has emerged as a promising tool for world simulation, leveraging visual data to replicate real-world environments. Within this context, egocentric video generation, which centers on the human perspective, holds significant…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Xiaofeng Wang , Kang Zhao , Feng Liu , Jiayu Wang , Guosheng Zhao , Xiaoyi Bao , Zheng Zhu , Yingya Zhang , Xingang Wang

Understanding objects in videos in terms of fine-grained localization masks and detailed semantic properties is a fundamental task in video understanding. In this paper, we propose VoCap, a flexible video model that consumes a video and a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Jasper Uijlings , Xingyi Zhou , Xiuye Gu , Arsha Nagrani , Anurag Arnab , Alireza Fathi , David Ross , Cordelia Schmid

We introduce the Action Transformer model for recognizing and localizing human actions in video clips. We repurpose a Transformer-style architecture to aggregate features from the spatiotemporal context around the person whose actions we…

Computer Vision and Pattern Recognition · Computer Science 2019-05-20 Rohit Girdhar , João Carreira , Carl Doersch , Andrew Zisserman

We present HourVideo, a benchmark dataset for hour-long video-language understanding. Our dataset consists of a novel task suite comprising summarization, perception (recall, tracking), visual reasoning (spatial, temporal, predictive,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Keshigeyan Chandrasegaran , Agrim Gupta , Lea M. Hadzic , Taran Kota , Jimming He , Cristóbal Eyzaguirre , Zane Durante , Manling Li , Jiajun Wu , Li Fei-Fei

Most natural videos contain numerous events. For example, in a video of a "man playing a piano", the video might also contain "another man dancing" or "a crowd clapping". We introduce the task of dense-captioning events, which involves both…

Computer Vision and Pattern Recognition · Computer Science 2017-05-03 Ranjay Krishna , Kenji Hata , Frederic Ren , Li Fei-Fei , Juan Carlos Niebles

Facial expression captioning has found widespread application across various domains. Recently, the emergence of video Multimodal Large Language Models (MLLMs) has shown promise in general video understanding tasks. However, describing…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Jiaxing Zhao , Boyuan Sun , Xiang Chen , Xihan Wei

We introduce Latent Action Pretraining for general Action models (LAPA), an unsupervised method for pretraining Vision-Language-Action (VLA) models without ground-truth robot action labels. Existing Vision-Language-Action models require…

Generating diverse and natural human motion sequences based on textual descriptions constitutes a fundamental and challenging research area within the domains of computer vision, graphics, and robotics. Despite significant advancements in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Ke Fan , Shunlin Lu , Minyue Dai , Runyi Yu , Lixing Xiao , Zhiyang Dou , Junting Dong , Lizhuang Ma , Jingbo Wang

Understanding instructional videos requires recognizing fine-grained actions and modeling their temporal relations, which remains challenging for current Video Foundation Models (VFMs). This difficulty stems from noisy web supervision and a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Zhuoyi Yang , Jiapeng Yu , Reuben Tan , Boyang Li , Huijuan Xu

We collected a new dataset that includes approximately eight hours of audiovisual recordings of a group of students and their self-evaluation scores for classroom engagement. The dataset and data analysis scripts are available on our…

Human-Computer Interaction · Computer Science 2023-04-19 Alpay Sabuncuoglu , T. Metin Sezgin

Understanding the structure of complex activities in untrimmed videos is a challenging task in the area of action recognition. One problem here is that this task usually requires a large amount of hand-annotated minute- or even hour-long…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Rosaura G. VidalMata , Walter J. Scheirer , Anna Kukleva , David Cox , Hilde Kuehne

Large-scale video generative models, capable of creating realistic videos of diverse visual concepts, are strong candidates for general-purpose physical world simulators. However, their adherence to physical commonsense across real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Hritik Bansal , Clark Peng , Yonatan Bitton , Roman Goldenberg , Aditya Grover , Kai-Wei Chang

Recent video action recognition methods have shown excellent performance by adapting large-scale pre-trained language-image models to the video domain. However, language models contain rich common sense priors - the scene contexts that…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Xiaodan Hu , Chuhang Zou , Suchen Wang , Jaechul Kim , Narendra Ahuja

We propose VideoPerceiver, a novel video multimodal large language model (VMLLM) that enhances fine-grained perception in video understanding, addressing VMLLMs' limited ability to reason about brief actions in short clips or rare transient…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Fufangchen Zhao , Liao Zhang , Daiqi Shi , Yuanjun Gao , Chen Ye , Yang Cai , Jian Gao , Danfeng Yan

We present Palm, a solution to the Long-Term Action Anticipation (LTA) task utilizing vision-language and large language models. Given an input video with annotated action periods, the LTA task aims to predict possible future actions. We…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Daoji Huang , Otmar Hilliges , Luc Van Gool , Xi Wang

Recently, dataset condensation has made significant progress in the image domain. Unlike images, videos possess an additional temporal dimension, which harbors considerable redundant information, making condensation even more crucial.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Yang Chen , Sheng Guo , Bo Zheng , Limin Wang

An ideal model for dense video captioning -- predicting captions localized temporally in a video -- should be able to handle long input videos, predict rich, detailed textual descriptions, and be able to produce outputs before processing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Xingyi Zhou , Anurag Arnab , Shyamal Buch , Shen Yan , Austin Myers , Xuehan Xiong , Arsha Nagrani , Cordelia Schmid

We address the task of zero-shot video classification for extremely fine-grained actions (e.g., Windmill Dunk in basketball), where no video examples or temporal annotations are available for unseen classes. While image-language models…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Amir Aghdam , Vincent Tao Hu , Björn Ommer

This paper introduces Action Image, a new grasp proposal representation that allows learning an end-to-end deep-grasping policy. Our model achieves $84\%$ grasp success on $172$ real world objects while being trained only in simulation on…

Robotics · Computer Science 2020-05-15 Mohi Khansari , Daniel Kappler , Jianlan Luo , Jeff Bingham , Mrinal Kalakrishnan

The 3rd annual installment of the ActivityNet Large- Scale Activity Recognition Challenge, held as a full-day workshop in CVPR 2018, focused on the recognition of daily life, high-level, goal-oriented activities from user-generated videos…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Bernard Ghanem , Juan Carlos Niebles , Cees Snoek , Fabian Caba Heilbron , Humam Alwassel , Victor Escorcia , Ranjay Krishna , Shyamal Buch , Cuong Duc Dao