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With the spread of wearable devices and head mounted cameras, a wide range of application requiring precise user localization is now possible. In this paper we propose to treat the problem of obtaining the user position with respect to a…

Computer Vision and Pattern Recognition · Computer Science 2016-07-29 Stefano Alletto , Giuseppe Serra , Rita Cucchiara

Estimating absolute camera orientations is essential for attitude estimation tasks. An established approach is to first carry out visual odometry (VO) or visual SLAM (V-SLAM), and retrieve the camera orientations (3 DOF) from the camera…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Chee-Kheng Chng , Alvaro Parra , Tat-Jun Chin , Yasir Latif

Predicting future human behavior from egocentric videos is a challenging but critical task for human intention understanding. Existing methods for forecasting 2D hand positions rely on visual representations and mainly focus on hand-object…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Masashi Hatano , Ryo Hachiuma , Hideo Saito

Egocentric vision captures the scene from the point of view of the camera wearer, while exocentric vision captures the overall scene context. Jointly modeling ego and exo views is crucial to developing next-generation AI agents. The…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Anirudh Thatipelli , Shao-Yuan Lo , Amit K. Roy-Chowdhury

While egocentric video is becoming increasingly popular, browsing it is very difficult. In this paper we present a compact 3D Convolutional Neural Network (CNN) architecture for long-term activity recognition in egocentric videos.…

Computer Vision and Pattern Recognition · Computer Science 2017-01-06 Yair Poleg , Ariel Ephrat , Shmuel Peleg , Chetan Arora

Purpose: Surgical scene understanding plays a critical role in the technology stack of tomorrow's intervention-assisting systems in endoscopic surgeries. For this, tracking the endoscope pose is a key component, but remains challenging due…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Michel Hayoz , Christopher Hahne , Mathias Gallardo , Daniel Candinas , Thomas Kurmann , Maximilian Allan , Raphael Sznitman

We present EgoHumans, a new multi-view multi-human video benchmark to advance the state-of-the-art of egocentric human 3D pose estimation and tracking. Existing egocentric benchmarks either capture single subject or indoor-only scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Rawal Khirodkar , Aayush Bansal , Lingni Ma , Richard Newcombe , Minh Vo , Kris Kitani

Given a video captured from a first person perspective and the environment context of where the video is recorded, can we recognize what the person is doing and identify where the action occurs in the 3D space? We address this challenging…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Miao Liu , Lingni Ma , Kiran Somasundaram , Yin Li , Kristen Grauman , James M. Rehg , Chao Li

Egocentric cameras are becoming increasingly popular and provide us with large amounts of videos, captured from the first person perspective. At the same time, surveillance cameras and drones offer an abundance of visual information, often…

Computer Vision and Pattern Recognition · Computer Science 2016-08-16 Shervin Ardeshir , Ali Borji

Immersive virtual reality (VR) applications demand accurate, temporally coherent full-body pose tracking. Recent head-mounted camera-based approaches show promise in egocentric pose estimation, but encounter challenges when applied to VR…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Haojie Cheng , Shaun Jing Heng Ong , Shaoyu Cai , Aiden Tat Yang Koh , Fuxi Ouyang , Eng Tat Khoo

We present an approach for estimating a mobile robot's pose w.r.t. the allocentric coordinates of a network of static cameras using multi-view RGB images. The images are processed online, locally on smart edge sensors by deep neural…

Robotics · Computer Science 2023-03-08 Simon Bultmann , Raphael Memmesheimer , Sven Behnke

Action recognition is essential for egocentric video understanding, allowing automatic and continuous monitoring of Activities of Daily Living (ADLs) without user effort. Existing literature focuses on 3D hand pose input, which requires…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Wiktor Mucha , Martin Kampel

With the recent advances in video and 3D understanding, novel 4D spatio-temporal methods fusing both concepts have emerged. Towards this direction, the Ego4D Episodic Memory Benchmark proposed a task for Visual Queries with 3D Localization…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Jinjie Mai , Abdullah Hamdi , Silvio Giancola , Chen Zhao , Bernard Ghanem

We present an approach to estimating camera rotation in crowded, real-world scenes from handheld monocular video. While camera rotation estimation is a well-studied problem, no previous methods exhibit both high accuracy and acceptable…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Fabien Delattre , David Dirnfeld , Phat Nguyen , Stephen Scarano , Michael J. Jones , Pedro Miraldo , Erik Learned-Miller

Hand pose represents key information for action recognition in the egocentric perspective, where the user is interacting with objects. We propose to improve egocentric 3D hand pose estimation based on RGB frames only by using pseudo-depth…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Wiktor Mucha , Michael Wray , Martin Kampel

Animals are capable of precise and agile locomotion using vision. Replicating this ability has been a long-standing goal in robotics. The traditional approach has been to decompose this problem into elevation mapping and foothold planning…

Robotics · Computer Science 2022-11-15 Ananye Agarwal , Ashish Kumar , Jitendra Malik , Deepak Pathak

Depth estimation in surgical video plays a crucial role in many image-guided surgery procedures. However, it is difficult and time consuming to create depth map ground truth datasets in surgical videos due in part to inconsistent brightness…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Ange Lou , Jack Noble

In a wearable camera video, we see what the camera wearer sees. While this makes it easy to know roughly what he chose to look at, it does not immediately reveal when he was engaged with the environment. Specifically, at what moments did…

Computer Vision and Pattern Recognition · Computer Science 2016-04-05 Yu-Chuan Su , Kristen Grauman

Accurate prediction of future person location and movement trajectory from an egocentric wearable camera can benefit a wide range of applications, such as assisting visually impaired people in navigation, and the development of mobility…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Jianing Qiu , Frank P. -W. Lo , Xiao Gu , Yingnan Sun , Shuo Jiang , Benny Lo

Egocentric 3D human pose estimation with a single fisheye camera has drawn a significant amount of attention recently. However, existing methods struggle with pose estimation from in-the-wild images, because they can only be trained on…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Jian Wang , Lingjie Liu , Weipeng Xu , Kripasindhu Sarkar , Diogo Luvizon , Christian Theobalt