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Spatio-temporal reasoning is essential in understanding real-world environments in various fields, eg, autonomous driving and sports analytics. Recent advances have improved the spatial reasoning ability of Vision-Language Models (VLMs) by…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Dohwan Ko , Sihyeon Kim , Yumin Suh , Vijay Kumar B. G , Minseo Yoon , Manmohan Chandraker , Hyunwoo J. Kim

State Space Models (SSMs) have the advantage of keeping linear computational complexity compared to attention modules in transformers, and have been applied to vision tasks as a new type of powerful vision foundation model. Inspired by the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Zheng Zhan , Zhenglun Kong , Yifan Gong , Yushu Wu , Zichong Meng , Hangyu Zheng , Xuan Shen , Stratis Ioannidis , Wei Niu , Pu Zhao , Yanzhi Wang

The established redundancy in visual tokens within large vision-language models allows pruning to effectively reduce their substantial computational demands. Previous methods typically employ heuristic layer-specific pruning strategies…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Hanshi Wang , Yuhao Xu , Zekun Xu , Jin Gao , Yufan Liu , Weiming Hu , Ke Wang , Zhipeng Zhang

Frame quality deterioration is one of the main challenges in the field of video understanding. To compensate for the information loss caused by deteriorated frames, recent approaches exploit transformer-based integration modules to obtain…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Guanxiong Sun , Chi Wang , Zhaoyu Zhang , Jiankang Deng , Stefanos Zafeiriou , Yang Hua

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

Video large language models (LLMs) achieve strong video understanding by leveraging a large number of spatio-temporal tokens, but suffer from quadratic computational scaling with token count. To address this, we propose a training-free…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Jeongseok Hyun , Sukjun Hwang , Su Ho Han , Taeoh Kim , Inwoong Lee , Dongyoon Wee , Joon-Young Lee , Seon Joo Kim , Minho Shim

Large Vision-Language Models (LVLMs) have shown impressive performance across multi-modal tasks by encoding images into thousands of tokens. However, the large number of image tokens results in significant computational overhead, and the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Kaiyuan Li , Xiaoyue Chen , Chen Gao , Yong Li , Xinlei Chen

Large Multimodal Models (LMMs) have emerged as powerful models capable of understanding various data modalities, including text, images, and videos. LMMs encode both text and visual data into tokens that are then combined and processed by…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Saeed Ranjbar Alvar , Gursimran Singh , Mohammad Akbari , Yong Zhang

Multimodal Large Language Models (MLLMs) suffer from substantial computational overhead due to the high redundancy in visual token sequences. Existing approaches typically address this issue using single-layer Vision Transformer (ViT)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Yunkai Dang , Yizhu Jiang , Yifan Jiang , Qi Fan , Yinghuan Shi , Wenbin Li , Yang Gao

Multi-modal Large Language Models (MLLMs) have achieved remarkable success by integrating visual and textual modalities. However, they incur significant computational overhead due to the large number of vision tokens processed, limiting…

Computation and Language · Computer Science 2025-03-11 Yizheng Sun , Yanze Xin , Hao Li , Jingyuan Sun , Chenghua Lin , Riza Batista-Navarro

Due to the great saving of computation and memory overhead, token compression has become a research hot-spot for MLLMs and achieved remarkable progress in image-language tasks. However, for the video, existing methods still fall short of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Shaobo Ju , Baiyang Song , Tao Chen , Jiapeng Zhang , Qiong Wu , Chao Chang , HuaiXi Wang , Yiyi Zhou , Rongrong Ji

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

Vision-Language-Action (VLA) models have shown great potential for embodied AI by integrating visual perception, language understanding, and action execution. In real-time deployment, these models must process continuous visual streams,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Ziyan Liu , Yeqiu Chen , Hongyi Cai , Tao Lin , Shuo Yang , Zheng Liu , Bo Zhao

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

Recent advances in Multimodal Large Language Models (MLLMs) have significantly advanced video understanding tasks, yet challenges remain in efficiently compressing visual tokens while preserving spatiotemporal interactions. Existing…

Artificial Intelligence · Computer Science 2026-05-22 Bingjun Luo , Tony Wang , Hanqi Chen , Xinpeng Ding

Spiking Transformers have shown strong potential for long-range visual modeling through spike-driven self-attention. However, their quadratic token interactions remain fundamentally misaligned with the sparse and event-driven nature of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Dewei Bai , Hongxiang Peng , Yunyun Zeng , Ziyu Zhang , Hong Qu , Yi Zhang

Pruning is a typical acceleration technique for compute-bound models by removing computation on unimportant values. Recently, it has been applied to accelerate Vision-Language-Action (VLA) model inference. However, existing acceleration…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Hanzhen Wang , Jiaming Xu , Yushun Xiang , Jiayi Pan , Yongkang Zhou , Yong-Lu Li , Guohao Dai

Traffic prediction, an essential component for intelligent transportation systems, endeavours to use historical data to foresee future traffic features at specific locations. Although existing traffic prediction models often emphasize…

Machine Learning · Computer Science 2024-07-09 Chenxi Liu , Sun Yang , Qianxiong Xu , Zhishuai Li , Cheng Long , Ziyue Li , Rui Zhao

Although Large Vision Language Models (LVLMs) have demonstrated remarkable performance in image understanding tasks, their computational efficiency remains a significant challenge, particularly on resource-constrained devices due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Ruiguang Pei , Weiqing Sun , Zhihui Fu , Jun Wang

Vision-language models (VLMs) face significant computational inefficiencies caused by excessive generation of visual tokens. While prior work shows that a large fraction of visual tokens are redundant, existing compression methods struggle…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Zhengyao Fang , Pengyuan Lyu , Chengquan Zhang , Guangming Lu , Jun Yu , Wenjie Pei