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Grounding textual expressions on scene objects from first-person views is a truly demanding capability in developing agents that are aware of their surroundings and behave following intuitive text instructions. Such capability is of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Shuhei Kurita , Naoki Katsura , Eri Onami

This technical report presents our solution, EgoAdapt (Egocentric Adaptation via Category, Calibration, and Consistency), to the CVPR 2026 HD-EPIC VQA challenge. HD-EPIC evaluates whether a vision-language model can reason over realistic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zhiwei Chen , Yupeng Hu , Zixu Li , Zhiheng Fu , Guozhi Qiu , Weili Guan , Liqiang Nie

Human activities are inherently complex, often involving numerous object interactions. To better understand these activities, it is crucial to model their interactions with the environment captured through dynamic changes. The recent…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Daiwei Zhang , Gengyan Li , Jiajie Li , Mickaël Bressieux , Otmar Hilliges , Marc Pollefeys , Luc Van Gool , Xi Wang

Video understanding typically requires fine-tuning the large backbone when adapting to new domains. In this paper, we leverage the egocentric video foundation models (Ego-VFMs) based on video-language pre-training and propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Tz-Ying Wu , Kyle Min , Subarna Tripathi , Nuno Vasconcelos

The rapid development of Multimodal Large Language Models (MLLMs) has led to growing interest in egocentric video understanding, specifically the ability for MLLMs to recognize fine-grained hand-object interactions, track object state…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Yang Dai , Dian Jiao , Tianwei Lin , Wenqiao Zhang

While head-mounted devices are becoming more compact, they provide egocentric views with significant self-occlusions of the device user. Hence, existing methods often fail to accurately estimate complex 3D poses from egocentric views. In…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Hiroyasu Akada , Jian Wang , Vladislav Golyanik , Christian Theobalt

Ultra-long egocentric videos spanning multiple days present significant challenges for video understanding. Existing approaches still rely on fragmented local processing and limited temporal modeling, restricting their ability to reason…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Shitong Sun , Ke Han , Yukai Huang , Weitong Cai , Jifei Song

Large vision-language models have achieved remarkable progress in visual reasoning, yet most existing systems rely on single-step or text-only reasoning, limiting their ability to iteratively refine understanding across multiple visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Wenfang Sun , Hao Chen , Yingjun Du , Yefeng Zheng , Cees G. M. Snoek

In this report, we present our approach and empirical results of applying masked autoencoders in two egocentric video understanding tasks, namely, Object State Change Classification and PNR Temporal Localization, of Ego4D Challenge 2022. As…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Jiachen Lei , Shuang Ma , Zhongjie Ba , Sai Vemprala , Ashish Kapoor , Kui Ren

Egocentric video-language understanding demands both high efficiency and accurate spatial-temporal modeling. Existing approaches face three key challenges: 1) Excessive pre-training cost arising from multi-stage pre-training pipelines, 2)…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Xiaoqi Wang , Yi Wang , Lap-Pui Chau

Learning an agent model that behaves like humans-capable of jointly perceiving the environment, predicting the future, and taking actions from a first-person perspective-is a fundamental challenge in computer vision. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Lu Chen , Yizhou Wang , Shixiang Tang , Qianhong Ma , Tong He , Wanli Ouyang , Xiaowei Zhou , Hujun Bao , Sida Peng

Prior works on 3D hand trajectory prediction are constrained by datasets that decouple motion from semantic supervision and by models that weakly link reasoning and action. To address these, we first present the EgoMAN dataset, a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Mingfei Chen , Yifan Wang , Zhengqin Li , Homanga Bharadhwaj , Yujin Chen , Chuan Qin , Ziyi Kou , Yuan Tian , Eric Whitmire , Rajinder Sodhi , Hrvoje Benko , Eli Shlizerman , Yue Liu

Tasks involving localization, memorization and planning in partially observable 3D environments are an ongoing challenge in Deep Reinforcement Learning. We present EgoMap, a spatially structured neural memory architecture. EgoMap augments a…

Machine Learning · Computer Science 2020-02-10 Edward Beeching , Christian Wolf , Jilles Dibangoye , Olivier Simonin

Spatiotemporal video grounding aims to localize target entities in videos based on textual queries. While existing research has made significant progress in exocentric videos, the egocentric setting remains relatively underexplored, despite…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Shuo Liang , Yiwu Zhong , Zi-Yuan Hu , Yeyao Tao , Liwei Wang

Understanding camera dynamics is a fundamental pillar of video spatial intelligence. However, existing multimodal models predominantly treat this task as a black-box classification, often confusing physically distinct motions by relying on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Hang Wu , Yujun Cai , Zehao Li , Haonan Ge , Bowen Sun , Junsong Yuan , Yiwei Wang

When humans face problems beyond their immediate capabilities, they rely on tools, providing a promising paradigm for improving visual reasoning in multimodal large language models (MLLMs). Effective reasoning, therefore, hinges on knowing…

Artificial Intelligence · Computer Science 2026-01-29 Mingyang Song , Haoyu Sun , Jiawei Gu , Linjie Li , Luxin Xu , Ranjay Krishna , Yu Cheng

Modern perception models, particularly those designed for multisensory egocentric tasks, have achieved remarkable performance but often come with substantial computational costs. These high demands pose challenges for real-world deployment,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Sanjoy Chowdhury , Subrata Biswas , Sayan Nag , Tushar Nagarajan , Calvin Murdock , Ishwarya Ananthabhotla , Yijun Qian , Vamsi Krishna Ithapu , Dinesh Manocha , Ruohan Gao

Understanding multimodal signals in egocentric vision, such as RGB video, depth, camera poses, and gaze, is essential for applications in augmented reality, robotics, and human-computer interaction, enabling systems to better interpret the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Gen Li , Yutong Chen , Yiqian Wu , Kaifeng Zhao , Marc Pollefeys , Siyu Tang

Large vision-language models exhibit inherent capabilities to handle diverse visual perception tasks. In this paper, we introduce VisionReasoner, a unified framework capable of reasoning and solving multiple visual perception tasks within a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Yuqi Liu , Tianyuan Qu , Zhisheng Zhong , Bohao Peng , Shu Liu , Bei Yu , Jiaya Jia

We introduce Ego-R1, a novel framework for reasoning over ultra-long (i.e., in days and weeks) egocentric videos, which leverages a structured Chain-of-Tool-Thought (CoTT) process, orchestrated by an Ego-R1 Agent trained via reinforcement…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Shulin Tian , Ruiqi Wang , Hongming Guo , Penghao Wu , Yuhao Dong , Xiuying Wang , Jingkang Yang , Hao Zhang , Hongyuan Zhu , Ziwei Liu