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

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We present EgoPoseFormer, a simple yet effective transformer-based model for stereo egocentric human pose estimation. The main challenge in egocentric pose estimation is overcoming joint invisibility, which is caused by self-occlusion or a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Chenhongyi Yang , Anastasia Tkach , Shreyas Hampali , Linguang Zhang , Elliot J. Crowley , Cem Keskin

Large multimodal models (LMMs) often suffer from severe inference inefficiency due to the large number of visual tokens introduced by image encoders. While recent token compression methods, such as pruning and merging, have shown promise in…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Tianfan Peng , Yuntao Du , Pengzhou Ji , Shijie Dong , Kailin Jiang , Mingchuan Ma , Yijun Tian , Jinhe Bi , Qian Li , Wei Du , Feng Xiao , Lizhen Cui

Humans develop visual intelligence through perceiving and interacting with their environment - a self-supervised learning process grounded in egocentric experience. Inspired by this, we ask how can artificial systems learn stable object…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yuting Tan , Xilong Cheng , Yunxiao Qin , Zhengnan Li , Jingjing Zhang

The increasing demand to process long and high-resolution videos significantly burdens Large Vision-Language Models (LVLMs) due to the enormous number of visual tokens. Existing token reduction methods primarily prune tokens based on…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Tianyu Fu , Tengxuan Liu , Qinghao Han , Guohao Dai , Shengen Yan , Huazhong Yang , Xuefei Ning , Yu Wang

Audio-driven talking-head generation is a crucial and useful technology for virtual human interaction and film-making. While recent advances have focused on improving image fidelity and lip synchronization, generating accurate emotional…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Wenqing Wang , Yun Fu

Vision language models (VLMs) demonstrate strong capabilities in jointly processing visual and textual data. However, they often incur substantial computational overhead due to redundant visual information, particularly in long-form video…

Machine Learning · Computer Science 2025-04-25 Yudong Liu , Jingwei Sun , Yueqian Lin , Jingyang Zhang , Ming Yin , Qinsi Wang , Jianyi Zhang , Hai Li , Yiran Chen

The 1st Cross-Domain EgoCross Challenge at EgoVis, CVPR 2026 evaluates whether multimodal large language models can reason over egocentric videos across surgery, industry, extreme sports, and animal perspective. We achieved second place in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Zixu Li , Zhiwei Chen , Zhiheng Fu , Wenbo Wang , Yupeng Hu , Weili Guan , Liqiang Nie

We present a framework for optimizing prompts in vision-language models to elicit multimodal reasoning without model retraining. Using an evolutionary algorithm to guide prompt updates downstream of visual tasks, our approach improves upon…

Computation and Language · Computer Science 2025-04-01 Sid Bharthulwar , John Rho , Katrina Brown

Vision-language models improve perception by feeding increasingly long visual token sequences into language backbones, but the resulting inference cost raises a basic scaling question: as multimodal models grow, how many visual tokens are…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 YiJie Huang , Yiqun Zhang , Zhuoyue Jia , Xiaocui Yang , Junzhao Huang , Zihan Wang , Shi Feng , Daling Wang , Yifei Zhang , Yongkang Liu

Vision transformers (ViTs) have recently received explosive popularity, but the huge computational cost is still a severe issue. Since the computation complexity of ViT is quadratic with respect to the input sequence length, a mainstream…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Yifan Xu , Zhijie Zhang , Mengdan Zhang , Kekai Sheng , Ke Li , Weiming Dong , Liqing Zhang , Changsheng Xu , Xing Sun

Recent advancements in large language models have intensified the need for efficient and deployable models within limited inference budgets. Structured pruning pipelines have shown promise in token efficiency compared to training…

Computation and Language · Computer Science 2025-03-11 Yixiao Li , Xianzhi Du , Ajay Jaiswal , Tao Lei , Tuo Zhao , Chong Wang , Jianyu Wang

In egocentric video understanding, the motion of hands and objects as well as their interactions play a significant role by nature. However, existing egocentric video representation learning methods mainly focus on aligning video…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Baoqi Pei , Yifei Huang , Jilan Xu , Guo Chen , Yuping He , Lijin Yang , Yali Wang , Weidi Xie , Yu Qiao , Fei Wu , Limin Wang

Recent Multimodal Large Language Models(MLLMs) often use a large number of visual tokens to compensate their visual shortcoming, leading to excessive computation and obvious visual redundancy. In this paper, we investigate what kind of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Yutao Jiang , Qiong Wu , Wenhao Lin , Wei Yu , Yiyi Zhou

The possibility of sharing one's point of view makes use of wearable cameras compelling. These videos are often long, boring and coupled with extreme shake, as the camera is worn on a moving person. Fast forwarding (i.e. frame sampling) is…

Computer Vision and Pattern Recognition · Computer Science 2017-01-13 Tavi Halperin , Yair Poleg , Chetan Arora , Shmuel Peleg

Spatiotemporal video grounding aims to localize target entities in videos based on textual queries. While existing research has made significant progress in exocentric videos, the egocentric setting remains relatively underexplored, despite…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Shuo Liang , Yiwu Zhong , Zi-Yuan Hu , Yeyao Tao , Liwei Wang

Egocentric hand-object motion generation is crucial for immersive AR/VR and robotic imitation but remains challenging due to unstable viewpoints, self-occlusions, perspective distortion, and noisy ego-motion. Existing methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Bohan Zhou , Yi Zhan , Zhongbin Zhang , Zongqing Lu

Egocentric videos capture how humans manipulate objects and tools, providing diverse motion cues for learning object manipulation. Unlike the costly, expert-driven manual teleoperation commonly used in training Vision-Language-Action models…

Robotics · Computer Science 2025-09-29 Tomoya Yoshida , Shuhei Kurita , Taichi Nishimura , Shinsuke Mori

Egocentric world models present a promising direction for enabling agents to predict and plan, but their performance is constrained by the limited availability of egocentric training data and its inherent partial observability of humans'…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Danny Tran , Roberto Martín-Martín , Kristen Grauman

While large-scale text-to-image diffusion models have demonstrated impressive image-generation capabilities, there are significant concerns about their potential misuse for generating unsafe content, violating copyright, and perpetuating…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Ruchika Chavhan , Da Li , Timothy Hospedales

Large Vision Language Models (LVLMs) have been widely adopted to guide vision foundation models in performing reasoning segmentation tasks, achieving impressive performance. However, the substantial computational overhead associated with…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Hanning Chen , Yang Ni , Wenjun Huang , Hyunwoo Oh , Yezi Liu , Tamoghno Das , Mohsen Imani