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Large Vision-Language Models (VLMs) enable strong multimodal reasoning but incur heavy inference costs from redundant visual tokens. Token pruning alleviates this issue, yet existing approaches face limitations. Attention-based methods rely…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Youngeun Kim , Youjia Zhang , Huiling Liu , Aecheon Jung , Sunwoo Lee , Sungeun Hong

In this paper, we introduce PruneVid, a visual token pruning method designed to enhance the efficiency of multi-modal video understanding. Large Language Models (LLMs) have shown promising performance in video tasks due to their extended…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Xiaohu Huang , Hao Zhou , Kai Han

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

Large Vision-Language Models (LVLMs) have advanced multimodal learning but face high computational costs due to the large number of visual tokens, motivating token pruning to improve inference efficiency. The key challenge lies in…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Ao Li , Yuxiang Duan , Jinghui Zhang , Congbo Ma , Yutong Xie , Gustavo Carneiro , Mohammad Yaqub , Hu Wang

Multimodal Large Language Models (MLLMs) incur significant computational cost from processing numerous vision tokens through all LLM layers. Prior pruning methods operate either before the LLM, limiting generality due to diverse…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Omer Faruk Deniz , Ruiyu Mao , Ruochen Li , Yapeng Tian , Latifur Khan

Large Multimodal Models (LMMs) excel in visual-language tasks by leveraging numerous visual tokens for fine-grained visual information, but this token redundancy results in significant computational costs. Previous research aimed at…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Sihan Yang , Runsen Xu , Chenhang Cui , Tai Wang , Dahua Lin , Jiangmiao Pang

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

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

Vision-Language Models (VLMs) process thousands of visual tokens per image alongside comparatively few text tokens, yet existing compression methods treat both modalities uniformly. We observe that the two modalities have fundamentally…

Machine Learning · Computer Science 2026-05-29 Yilin Feng , Ahmed Burak Gulhan , Mahmut Taylan Kandemir

Vision-Language Models (VLMs) encode images and videos into abundant tokens, which contain substantial redundancy and computation cost. While visual token pruning mitigates the issue, most existing methods lack insight into the intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jizhihui Liu , Feiyi Du , Guangdao Zhu , Niu Lian , Jun Li , Bin Chen , Weili Guan , Yaowei Wang

Recent multimodal large language models are computationally expensive because Transformers must process a large number of visual tokens. We present ReDiPrune, a training-free token pruning method applied before the vision-language…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 An Yu , Ting Yu Tsai , Zhenfei Zhang , Weiheng Lu , Felix X. -F. Ye , Ming-Ching Chang

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

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

Multimodal Large Language Models (MLLMs) have shown strong performance in vision-language tasks, but their inference efficiency is severely limited by the exponential growth of visual tokens in complex scenarios such as high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Yuhao Chen , Bin Shan , Xin Ye , Cheng Chen

Video large language models (Vid-LLMs) have shown strong capabilities in understanding video content. However, their reliance on dense video token representations introduces substantial memory and computational overhead in both prefilling…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Yicheng Ji , Jun Zhang , Heming Xia , Jinpeng Chen , Lidan Shou , Gang Chen , Huan Li

Large Vision Language Models show impressive performance across image and video understanding tasks, yet their computational cost grows rapidly with the number of visual tokens. Existing token pruning methods mitigate this issue through…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Dong-Jae Lee , Sunghyun Baek , Junmo Kim

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

Diffusion-based large multimodal models, such as LLaDA-V, have demonstrated impressive capabilities in vision-language understanding and generation. However, their bidirectional attention mechanism and diffusion-style iterative denoising…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Zhewen Wan , Tianchen Song , Chen Lin , Zhiyong Zhao , Xianpeng Lang

Visual token compression is critical for Large Vision-Language Models (LVLMs) to efficiently process high-resolution inputs. Existing methods that typically adopt fixed compression ratios cannot adapt to scenes of varying complexity, often…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Quan-Sheng Zeng , Yunheng Li , Qilong Wang , Peng-Tao Jiang , Zuxuan Wu , Ming-Ming Cheng , Qibin Hou

In Vision Language Models (VLMs), vision tokens are quantity-heavy yet information-dispersed compared with language tokens, thus consume too much unnecessary computation. Pruning redundant vision tokens for high VLM inference efficiency has…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Guangyuan Li , Rongzhen Zhao , Jinhong Deng , Yanbo Wang , Joni Pajarinen