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We present a novel approach for hand-object action recognition that leverages 2D point tracks as an additional motion cue. While most existing methods rely on RGB appearance, human pose estimation, or their combination, our work…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Dennis Holzmann , Sven Wachsmuth

The emergence of low-cost personal mobiles devices and wearable cameras and the increasing storage capacity of video-sharing websites have pushed forward a growing interest towards first-person videos. Since most of the recorded videos…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Michel Melo Silva , Washington Luis Souza Ramos , Joao Pedro Klock Ferreira , Mario Fernando Montenegro Campos , Erickson Rangel Nascimento

Natural interaction with virtual objects in AR/VR environments makes for a smooth user experience. Gestures are a natural extension from real world to augmented space to achieve these interactions. Finding discriminating spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2018-08-17 Tejo Chalasani , Jan Ondrej , Aljosa Smolic

Recent advances in image-based human pose estimation make it possible to capture 3D human motion from a single RGB video. However, the inherent depth ambiguity and self-occlusion in a single view prohibit the recovery of as high-quality…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Junting Dong , Qing Shuai , Yuanqing Zhang , Xian Liu , Xiaowei Zhou , Hujun Bao

With the increasing availability of wearable devices, research on egocentric activity recognition has received much attention recently. In this paper, we build a Multimodal Egocentric Activity dataset which includes egocentric videos and…

Multimedia · Computer Science 2016-01-26 Sibo Song , Ngai-Man Cheung , Vijay Chandrasekhar , Bappaditya Mandal , Jie Lin

We propose to forecast future hand-object interactions given an egocentric video. Instead of predicting action labels or pixels, we directly predict the hand motion trajectory and the future contact points on the next active object (i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Shaowei Liu , Subarna Tripathi , Somdeb Majumdar , Xiaolong Wang

In this paper, we introduce a method to automatically reconstruct the 3D motion of a person interacting with an object from a single RGB video. Our method estimates the 3D poses of the person and the object, contact positions, and forces…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Zongmian Li , Jiri Sedlar , Justin Carpentier , Ivan Laptev , Nicolas Mansard , Josef Sivic

Understanding action recognition in egocentric videos has emerged as a vital research topic with numerous practical applications. With the limitation in the scale of egocentric data collection, learning robust deep learning-based action…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Thanh-Dat Truong , Khoa Luu

We interact with the world with our hands and see it through our own (egocentric) perspective. A holistic 3Dunderstanding of such interactions from egocentric views is important for tasks in robotics, AR/VR, action recognition and motion…

Egocentric videos capture scenes from a wearer's viewpoint, resulting in dynamic backgrounds, frequent motion, and occlusions, posing challenges to accurate keystep recognition. We propose a flexible graph-learning framework for…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Julia Lee Romero , Kyle Min , Subarna Tripathi , Morteza Karimzadeh

In this paper, we introduce a method to automatically reconstruct the 3D motion of a person interacting with an object from a single RGB video. Our method estimates the 3D poses of the person together with the object pose, the contact…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Zongmian Li , Jiri Sedlar , Justin Carpentier , Ivan Laptev , Nicolas Mansard , Josef Sivic

The remarkable technological advance in well-equipped wearable devices is pushing an increasing production of long first-person videos. However, since most of these videos have long and tedious parts, they are forgotten or never seen.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Vinicius S. Furlan , Ruzena Bajcsy , Erickson R. Nascimento

In this paper, we propose a method to jointly determine the status of hand-object interaction. This is crucial for egocentric human activity understanding and interaction. From a computer vision perspective, we believe that determining…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Yao Lu , Yanan Liu

Egocentric assistants often rely on first-person view data to capture user behavior and context for personalized services. Since different users exhibit distinct habits, preferences, and routines, such personalization is essential for truly…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Yanshuo Wang , Yuan Xu , Xuesong Li , Jie Hong , Yizhou Wang , Chang Wen Chen , Wentao Zhu

Introduction: Hand function is a central determinant of independence after stroke. Measuring hand use in the home environment is necessary to evaluate the impact of new interventions, and calls for novel wearable technologies. Egocentric…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Meng-Fen Tsai , Rosalie H. Wang , Jośe Zariffa

This paper proposes a system for automatic social pattern characterization using a wearable photo-camera. The proposed pipeline consists of three major steps. First, detection of people with whom the camera wearer interacts and, second,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Maedeh Aghaei , Mariella Dimiccoli , Cristian Canton Ferrer , Petia Radeva

Following the increasingly popular trend of social interaction analysis in egocentric vision, this manuscript presents a comprehensive study for automatic social pattern characterization of a wearable photo-camera user, by relying on the…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Maedeh Aghaei , Mariella Dimiccoli , Cristian Canton Ferrer , Petia Radeva

This paper addresses the daily challenges encountered by visually impaired individuals, such as limited access to information, navigation difficulties, and barriers to social interaction. To alleviate these challenges, we introduce a novel…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Inpyo Song , Minjun Joo , Joonhyung Kwon , Jangwon Lee

Perceiving the world from both egocentric (first-person) and exocentric (third-person) perspectives is fundamental to human cognition, enabling rich and complementary understanding of dynamic environments. In recent years, allowing the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Yuping He , Yifei Huang , Guo Chen , Lidong Lu , Baoqi Pei , Jilan Xu , Tong Lu , Yoichi Sato

We address the challenging task of detecting the precise moment when hands make contact with objects in egocentric videos. This frame-level detection is crucial for augmented reality, human-computer interaction, assistive technologies, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Huy Anh Nguyen , Feras Dayoub , Minh Hoai