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Imitation learning from human demonstrations offers a promising approach for robot skill acquisition, but egocentric human data introduces fundamental challenges due to the embodiment gap. During manipulation, humans actively coordinate…

Robotics · Computer Science 2026-03-11 Justin Yu , Yide Shentu , Di Wu , Pieter Abbeel , Ken Goldberg , Philipp Wu

Vision-language models (VLMs) have achieved impressive performance on multimodal reasoning tasks such as visual question answering, image captioning and so on, but their inference cost remains a significant challenge due to the large number…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Weichen Zhang , Zhui Zhu , Ningbo Li , Shilong Tao , Kebin Liu , Yunhao Liu

Faithfully modeling human behavior in dynamic environments is a foundational challenge for embodied intelligence. While conditional motion synthesis has achieved significant advances, egocentric motion generation remains largely…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Ruibing Hou , Mingyue Zhou , Yuwei Gui , Mingshuang Luo , Bingpeng Ma , Hong Chang , Shiguang Shan , Xilin Chen

Video diffusion models have recently enabled high-quality video generation with ViT-based architectures, but remain computationally intensive because generation requires attention computation over long spatiotemporal sequences. Token…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Sheng Li , Yang Sui , Junhao Ran , Bo Yuan , Yue Dai , Xulong Tang

While egocentric cameras like GoPro are gaining popularity, the videos they capture are long, boring, and difficult to watch from start to end. Fast forwarding (i.e. frame sampling) is a natural choice for faster video browsing. However,…

Computer Vision and Pattern Recognition · Computer Science 2017-01-04 Yair Poleg , Tavi Halperin , Chetan Arora , Shmuel Peleg

Robotic generalization relies on physical intelligence: the ability to reason about state changes, contact-rich interactions, and long-horizon planning under egocentric perception and action. Vision Language Models (VLMs) are essential to…

Predicting when to initiate speech in real-world environments remains a fundamental challenge for conversational agents. We introduce EgoSpeak, a novel framework for real-time speech initiation prediction in egocentric streaming video. By…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Junhyeok Kim , Min Soo Kim , Jiwan Chung , Jungbin Cho , Jisoo Kim , Sungwoong Kim , Gyeongbo Sim , Youngjae Yu

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

Vision-Language Models (VLMs) have recently demonstrated remarkable capabilities in visual understanding and reasoning, but they also impose significant computational burdens due to long visual sequence inputs. Recent works address this…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Rinyoichi Takezoe , Yaqian Li , Zihao Bo , Anzhou Hou , Mo Guang , Kaiwen Long

Although deep learning has substantially advanced speech separation in recent years, most existing studies continue to prioritize separation quality while overlooking computational efficiency, an essential factor for low-latency speech…

Sound · Computer Science 2025-05-20 Yuqi Li , Kai Li , Xin Yin , Zhifei Yang , Junhao Dong , Zeyu Dong , Chuanguang Yang , Yingli Tian , Yao Lu

Egocentric human motion generation and forecasting with scene-context is crucial for enhancing AR/VR experiences, improving human-robot interaction, advancing assistive technologies, and enabling adaptive healthcare solutions by accurately…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Chaitanya Patel , Hiroki Nakamura , Yuta Kyuragi , Kazuki Kozuka , Juan Carlos Niebles , Ehsan Adeli

Large Vision-Language Models (LVLMs) rely on dense visual tokens to capture fine-grained visual information, but processing all these tokens incurs substantial computational and memory overhead during inference. To address this issue, we…

Machine Learning · Computer Science 2026-03-24 Xu Li , Yi Zheng , Yuxuan Liang , Zhe Liu , Xiaolei Chen , Haotian Chen , Rui Zhu , Xiangyang Xue

Egocentric human videos provide a scalable source of manipulation demonstrations; however, deploying them on robots requires active viewpoint control to maintain task-critical visibility, which human viewpoint imitation often fails to…

Robotics · Computer Science 2026-02-27 Daesol Cho , Youngseok Jang , Danfei Xu , Sehoon Ha

Vision Transformers (ViTs) have demonstrated outstanding performance in computer vision tasks, yet their high computational complexity prevents their deployment in computing resource-constrained environments. Various token pruning…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Xuwei Xu , Changlin Li , Yudong Chen , Xiaojun Chang , Jiajun Liu , Sen Wang

Generating instructional images of human daily actions from an egocentric viewpoint serves as a key step towards efficient skill transfer. In this paper, we introduce a novel problem -- egocentric action frame generation. The goal is to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Bolin Lai , Xiaoliang Dai , Lawrence Chen , Guan Pang , James M. Rehg , Miao Liu

We study instruction-guided editing of egocentric videos for interactive AR applications. While recent AI video editors perform well on third-person footage, egocentric views present unique challenges - including rapid egomotion and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Runjia Li , Moayed Haji-Ali , Ashkan Mirzaei , Chaoyang Wang , Arpit Sahni , Ivan Skorokhodov , Aliaksandr Siarohin , Tomas Jakab , Junlin Han , Sergey Tulyakov , Philip Torr , Willi Menapace

Multi-modal large language models (MLLMs) achieve strong visual-language reasoning but suffer from high inference cost due to redundant visual tokens. Recent work explores visual token pruning to accelerate inference, while existing pruning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Xiwen Chen , Wenhui Zhu , Gen Li , Xuanzhao Dong , Yujian Xiong , Hao Wang , Peijie Qiu , Qingquan Song , Zhipeng Wang , Shao Tang , Yalin Wang , Abolfazl Razi

Recent advances in Multimodal Large Language Models (MLLMs) have expanded reasoning capabilities into 3D domains, enabling fine-grained spatial understanding. However, the substantial size of 3D MLLMs and the high dimensionality of input…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Yuhui Lin , Siyue Yu , Yuxing Yang , Guangliang Cheng , Jimin Xiao

The high computational demands of Vision Transformers (ViTs) in processing a large number of tokens often constrain their practical application in analyzing medical images. This research proposes a Prompt-driven Adaptive Token ({\it PrATo})…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Pallabi Dutta , Anubhab Maity , Sushmita Mitra

Video Temporal Grounding (VTG) localizes the temporal boundaries of a query-relevant moment in long, untrimmed videos, making video-language-model (VLM) pipelines prohibitively expensive. While recent training-free visual token pruning has…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Jiaqi Li , Shuntian Zheng , Yixian Shen , Jia-Hong Huang , Xiaoman Lu , Minzhe Ni , Yu Guan