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Current VLM-based VQA methods often process entire images, leading to excessive visual tokens that include redundant information irrelevant to the posed question. This abundance of unnecessary image details creates numerous visual tokens,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Jiawei Guo , Feifei Zhai , Pu Jian , Qianrun Wei , Yu Zhou

Recent progress in Multimodal Large Language Models(MLLMs) often use large image tokens to compensate the visual shortcoming of MLLMs, which not only exhibits obvious redundancy but also greatly exacerbates the already high computation.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Weihao Ye , Qiong Wu , Wenhao Lin , Yiyi Zhou

Vision-language models (VLMs) rely on long visual token sequences for visual understanding, making the prefill stage expensive in both computation and memory. Most existing pruning methods follow an absolute-ranking paradigm, assigning…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Geng Li , Guohao Chen , Ting Chen , Shilin Shan , Kuangji Zuo , Bofan Lyu , Tuo An , Gen Li , Jianfei Yang

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

Recent Large Vision-Language Models (LVLMs) have advanced multi-modal understanding by incorporating finer-grained visual perception and encoding. However, such methods incur significant computational costs due to longer visual token…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Ce Zhang , Kaixin Ma , Tianqing Fang , Wenhao Yu , Hongming Zhang , Zhisong Zhang , Haitao Mi , Dong Yu

Despite achieving remarkable performance on various vision-language tasks, Transformer-based Vision-Language Models (VLMs) suffer from redundancy in inputs and parameters, significantly hampering their efficiency in real-world applications.…

Computation and Language · Computer Science 2024-02-27 Zekun Wang , Jingchang Chen , Wangchunshu Zhou , Haichao Zhu , Jiafeng Liang , Liping Shan , Ming Liu , Dongliang Xu , Qing Yang , Bing Qin

Long-form video understanding remains challenging for Video Large Language Models (VideoLLMs), as the dense frame sampling introduces massive visual tokens while sparse sampling risks missing critical temporal evidence and leading to LLM…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Jiameng Li , Minye Wu , Jiezhang Cao , Aleksei Tiulpin , Matthew B. Blaschko

Large Multimodal Models (LMMs) have achieved significant success across various tasks. These models usually encode visual inputs into dense token sequences, which are then concatenated with textual tokens and jointly processed by a language…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Hao Zhang , Mengsi Lyu , Chenrui He , Yulong Ao , Yonghua Lin

Large Vision-Language Models (LVLMs) represent a significant advancement toward achieving superior multimodal capabilities by enabling powerful Large Language Models (LLMs) to understand visual input. Typically, LVLMs utilize visual…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Lei Jiang , Weizhe Huang , Tongxuan Liu , Yuting Zeng , Jing Li , Lechao Cheng , Xiaohua Xu

Reasoning language models such as DeepSeek-R1 produce long chain-of-thought traces during inference time which make them costly to deploy at scale. We show that using compression techniques such as neural network pruning produces greater…

Artificial Intelligence · Computer Science 2026-05-05 Ryan Lucas , Kayhan Behdin , Zhipeng Wang , Qingquan Song , Shao Tang , Rahul Mazumder

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

Large Vision-Language Models (LVLMs) achieve impressive performance across multiple tasks. A significant challenge, however, is their prohibitive inference cost when processing high-resolution visual inputs. While visual token pruning has…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Zhichao Sun , Yidong Ma , Gang Liu , Yibo Chen , Xu Tang , Yao Hu , Yongchao Xu

One-stream Transformer-based trackers achieve advanced performance in visual object tracking but suffer from significant computational overhead that hinders real-time deployment. While token pruning offers a path to efficiency, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Hao Wu , Xudong Wang , Jialiang Zhang , Junlong Tong , Xinghao Chen , Junyan Lin , Yunpu Ma , Xiaoyu Shen

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

Visual token reduction is critical for accelerating Vision-Language Models (VLMs), yet most existing approaches rely on a fixed budget shared across all inputs, overlooking the substantial variation in image information density. We propose…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Jialuo He , Huangxun Chen

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

Vision Transformers (ViTs) have emerged as the backbone of many segmentation models, consistently achieving state-of-the-art (SOTA) performance. However, their success comes at a significant computational cost. Image token pruning is one of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Hanning Chen , Yang Ni , Wenjun Huang , Yezi Liu , SungHeon Jeong , Fei Wen , Nathaniel Bastian , Hugo Latapie , Mohsen Imani

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

Discrete diffusion-based multimodal large language models (dMLLMs) have emerged as a promising alternative to autoregressive MLLMs thanks to their advantages in parallel decoding and bidirectional context modeling, but most existing dMLLMs…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Duo Li , Zuhao Yang , Xiaoqin Zhang , Ling Shao , Shijian Lu

Document understanding and GUI interaction are among the highest-value applications of Vision-Language Models (VLMs), yet they impose exceptionally heavy computational burden: fine-grained text and small UI elements demand high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Nan Wang , Zhiwei Jin , Chen Chen , Haonan Lu