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Related papers: EgoPrune: Efficient Token Pruning for Egomotion Vi…

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While specialized Medical Vision-Language Models (VLMs) have achieved remarkable success in interpreting 2D and 3D medical modalities, their deployment for 3D volumetric data remains constrained by significant computational inefficiencies.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Shengyuan Liu , Zanting Ye , Yunrui Lin , Chen Hu , Wanting Geng , Xu Han , Bulat Ibragimov , Yefeng Zheng , Yixuan Yuan

Multimodal large language models (MLLMs) have shown remarkable capabilities in a wide range of vision-language tasks. However, the large number of visual tokens introduces significant computational overhead. To address this issue, visual…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Yuxiang Duan , Ao Li , Yingqin Li , Luyu Li , Pengwei Wang

Vision tokens in multimodal large language models often dominate huge computational overhead due to their excessive length compared to linguistic modality. Abundant recent methods aim to solve this problem with token pruning, which first…

Computation and Language · Computer Science 2025-06-10 Zichen Wen , Yifeng Gao , Shaobo Wang , Junyuan Zhang , Qintong Zhang , Weijia Li , Conghui He , Linfeng Zhang

Despite the success of transformers on various computer vision tasks, they suffer from excessive memory and computational cost. Some works present dynamic vision transformers to accelerate inference by pruning redundant tokens. A key to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Fengyuan Shi , Limin Wang

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

The egocentric and exocentric viewpoints of a human activity look dramatically different, yet invariant representations to link them are essential for many potential applications in robotics and augmented reality. Prior work is limited to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Zihui Xue , Kristen Grauman

We introduce an approach for pre-training egocentric video models using large-scale third-person video datasets. Learning from purely egocentric data is limited by low dataset scale and diversity, while using purely exocentric…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Yanghao Li , Tushar Nagarajan , Bo Xiong , Kristen Grauman

Vision encoders serve as the cornerstone of multimodal understanding. Single-encoder architectures like CLIP exhibit inherent constraints in generalizing across diverse multimodal tasks, while recent multi-encoder fusion methods introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yuchen Liu , Yaoming Wang , Bowen Shi , Xiaopeng Zhang , Wenrui Dai , Chenglin Li , Hongkai Xiong , Qi Tian

With the advancement of large-scale language modeling techniques, large multimodal models combining visual encoders with large language models have demonstrated exceptional performance in various visual tasks. Most of the current…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Yi Chen , Jian Xu , Xu-Yao Zhang , Wen-Zhuo Liu , Yang-Yang Liu , Cheng-Lin Liu

Generative modeling has recently shown remarkable promise for visuomotor policy learning, enabling flexible and expressive control across diverse embodied AI tasks. However, existing generative policies often struggle with data…

Robotics · Computer Science 2025-12-16 Jianlei Chang , Ruofeng Mei , Wei Ke , Xiangyu Xu

Understanding egocentric videos plays a vital role for embodied intelligence. Recent multi-modal large language models (MLLMs) can accept both visual and audio inputs. However, due to the challenge of obtaining text labels with coherent…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Ashish Seth , Xinhao Mei , Changsheng Zhao , Varun Nagaraja , Ernie Chang , Gregory P. Meyer , Gael Le Lan , Yunyang Xiong , Vikas Chandra , Yangyang Shi , Dinesh Manocha , Zhipeng Cai

Egocentric human video data, which captures rich human-environment interactions and can be collected at scale, has become a key driver of embodied intelligence research. However, existing egocentric datasets typically lack tactile sensing,…

Subject-driven generation is a critical task in creative AI; yet current state-of-the-art methods present a stark trade-off. They either rely on computationally expensive, per-subject fine-tuning, sacrificing efficiency and zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Ruixiao Dong , Zhendong Wang , Keli Liu , Li Li , Ying Chen , Kai Li , Daowen Li , Houqiang Li

Multimodal Large Language Models (MLLMs) have demonstrated impressive capabilities, yet they encounter significant computational bottlenecks due to the massive volume of visual tokens. Consequently, visual token pruning, which substantially…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Yifan Tan , Yifu Sun , Shirui Huang , Hong Liu , Guanghua Yu , Jianchen Zhu , Yangdong Deng

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

AI personal assistants deployed via robots or wearables require embodied understanding to collaborate with humans effectively. However, current Vision-Language Models (VLMs) primarily focus on third-person view videos, neglecting the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Alessandro Suglia , Claudio Greco , Katie Baker , Jose L. Part , Ioannis Papaioannou , Arash Eshghi , Ioannis Konstas , Oliver Lemon

We present Ego-Only, the first approach that enables state-of-the-art action detection on egocentric (first-person) videos without any form of exocentric (third-person) transferring. Despite the content and appearance gap separating the two…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Huiyu Wang , Mitesh Kumar Singh , Lorenzo Torresani

Vision-language models (VLMs) excel at image understanding tasks, but the large number of visual tokens imposes significant computational costs, hindering deployment on mobile devices. Many pruning methods rely solely on token importance…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zhenkai Wu , Xiaowen Ma , Zhenliang Ni , Dengming Zhang , Han Shu , Xin Jiang , Xinghao Chen

Fine-tuning provides an effective means to specialize pre-trained models for various downstream tasks. However, fine-tuning often incurs high memory overhead, especially for large transformer-based models, such as LLMs. While existing…

Computation and Language · Computer Science 2025-02-03 Antoine Simoulin , Namyong Park , Xiaoyi Liu , Grey Yang

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