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Understanding human tasks through video observations is an essential capability of intelligent agents. The challenges of such capability lie in the difficulty of generating a detailed understanding of situated actions, their effects on…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Baoxiong Jia , Ting Lei , Song-Chun Zhu , Siyuan Huang

We present Ego-1K, a large-scale collection of time-synchronized egocentric multiview videos designed to advance neural 3D video synthesis and dynamic scene understanding. The dataset contains nearly 1,000 short egocentric videos captured…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jae Yong Lee , Daniel Scharstein , Akash Bapat , Hao Hu , Andrew Fu , Haoru Zhao , Paul Sammut , Xiang Li , Stephen Jeapes , Anik Gupta , Lior David , Saketh Madhuvarasu , Jay Girish Joshi , Jason Wither

This research aims to comprehensively explore building a multimodal foundation model for egocentric video understanding. To achieve this goal, we work on three fronts. First, as there is a lack of QA data for egocentric video understanding,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Hanrong Ye , Haotian Zhang , Erik Daxberger , Lin Chen , Zongyu Lin , Yanghao Li , Bowen Zhang , Haoxuan You , Dan Xu , Zhe Gan , Jiasen Lu , Yinfei Yang

New 3+1D high-resolution radar sensors are gaining importance for 3D object detection in the automotive domain due to their relative affordability and improved detection compared to classic low-resolution radar sensors. One limitation of…

Robotics · Computer Science 2023-08-30 Patrick Palmer , Martin Krueger , Richard Altendorfer , Torsten Bertram

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

Understanding dynamic outdoor environments requires capturing complex object interactions and their evolution over time. LiDAR-based 4D point clouds provide precise spatial geometry and rich temporal cues, making them ideal for representing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Changho Choi , Youngwoo Shin , Gyojin Han , Dong-Jae Lee , Junmo Kim

Egocentric video is crucial for next-generation 4D scene reconstruction, with applications in AR/VR and embodied AI. However, reconstructing dynamic first-person scenes is challenging due to complex ego-motion, occlusions, and hand-object…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Tingxi Chen , Zhengxue Cheng , Houqiang Zhong , Su Wang , Rong Xie , Li Song

The recently released Ego4D dataset and benchmark significantly scales and diversifies the first-person visual perception data. In Ego4D, the Visual Queries 2D Localization task aims to retrieve objects appeared in the past from the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Mengmeng Xu , Cheng-Yang Fu , Yanghao Li , Bernard Ghanem , Juan-Manuel Perez-Rua , Tao Xiang

Multimodal Large Language Models (MLLMs) have demonstrated remarkable video reasoning capabilities across diverse tasks. However, their ability to understand human intent at a fine-grained level in egocentric videos remains largely…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Ye Pan , Chi Kit Wong , Yuanhuiyi Lyu , Hanqian Li , Jiahao Huo , Jiacheng Chen , Lutao Jiang , Xu Zheng , Xuming Hu

Perceiving a three-dimensional (3D) scene with multiple objects while moving indoors is essential for vision-based mobile cobots, especially for enhancing their manipulation tasks. In this work, we present an end-to-end pipeline with…

Robotics · Computer Science 2024-02-20 K. Nguyen , T. Dang , M. Huber

Egocentric videos present unique challenges for 3D scene understanding due to rapid camera motion, frequent object occlusions, and limited object visibility. This paper introduces a novel approach to instance segmentation and tracking in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Yash Bhalgat , Vadim Tschernezki , Iro Laina , João F. Henriques , Andrea Vedaldi , Andrew Zisserman

Most existing benchmarks for understanding egocentric vision focus primarily on daytime scenarios, overlooking the low-light conditions that are inevitable in real-world applications. To investigate this gap, we present EgoNight, the first…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Deheng Zhang , Yuqian Fu , Runyi Yang , Yang Miao , Tianwen Qian , Xu Zheng , Guolei Sun , Ajad Chhatkuli , Xuanjing Huang , Yu-Gang Jiang , Luc Van Gool , Danda Pani Paudel

Different video understanding tasks are typically treated in isolation, and even with distinct types of curated data (e.g., classifying sports in one dataset, tracking animals in another). However, in wearable cameras, the immersive…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Zihui Xue , Yale Song , Kristen Grauman , Lorenzo Torresani

This paper investigates the problem of understanding dynamic 3D scenes from egocentric observations, a key challenge in robotics and embodied AI. Unlike prior studies that explored this as long-form video understanding and utilized…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Yue Fan , Xiaojian Ma , Rongpeng Su , Jun Guo , Rujie Wu , Xi Chen , Qing Li

Predicting how the world can evolve in the future is crucial for motion planning in autonomous systems. Classical methods are limited because they rely on costly human annotations in the form of semantic class labels, bounding boxes, and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Tarasha Khurana , Peiyun Hu , David Held , Deva Ramanan

Understanding social interactions from egocentric views is crucial for many applications, ranging from assistive robotics to AR/VR. Key to reasoning about interactions is to understand the body pose and motion of the interaction partner…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Siwei Zhang , Qianli Ma , Yan Zhang , Zhiyin Qian , Taein Kwon , Marc Pollefeys , Federica Bogo , Siyu Tang

Point clouds provide a compact and expressive representation of 3D objects, and have recently been integrated into multimodal large language models (MLLMs). However, existing methods primarily focus on static objects, while understanding…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Xindan Zhang , Weilong Yan , Yufei Shi , Xuerui Qiu , Tao He , Ying Li , Ming Li , Hehe Fan

Egocentric video-language pretraining has significantly advanced video representation learning. Humans perceive and interact with a fully 3D world, developing spatial awareness that extends beyond text-based understanding. However, most…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Boshen Xu , Yuting Mei , Xinbi Liu , Sipeng Zheng , Qin Jin

Smart glass is emerging as an useful device since it provides plenty of insights under hands-busy, eyes-on-task situations. To understand the context of the wearer, 6D object pose estimation in egocentric view is becoming essential.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Taegyoon Yoon , Yegyu Han , Seojin Ji , Jaewoo Park , Sojeong Kim , Taein Kwon , Hyung-Sin Kim

We introduce Ego4D, a massive-scale egocentric video dataset and benchmark suite. It offers 3,670 hours of daily-life activity video spanning hundreds of scenarios (household, outdoor, workplace, leisure, etc.) captured by 931 unique camera…