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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

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

Large Vision-Language Models (LVLMs) incur high computational costs due to significant redundancy in their visual tokens. To effectively reduce this cost, researchers have proposed various visual token pruning methods. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Wen Luo , Peng Chen , Xiaotao Huang , LiQun Huang

Recent advances have explored visual token pruning to accelerate the inference of large vision-language models (LVLMs). However, existing methods often struggle to balance token importance and diversity: importance-based methods tend to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Zhaohong Huang , Wenjing Liu , Yuxin Zhang , Fei Chao , Rongrong Ji

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

Large Vision-Language Models (LVLMs) have demonstrated remarkable capabilities across a range of multimodal tasks. However, their inference efficiency is constrained by the large number of visual tokens processed during decoding. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Yu Meng , Kaiyuan Li , Chenran Huang , Chen Gao , Xinlei Chen , Yong Li , Xiaoping Zhang

Network pruning is an effective technique for enabling lightweight Large Vision-Language Models (LVLMs), which primarily incorporates both weights and activations into the importance metric. However, existing efforts typically process…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Sijie Li , Biao Qian , Jungong Han

Large language models (LLMs) have achieved outstanding performance in natural language processing, but enormous model sizes and high computational costs limit their practical deployment. Structured pruning can effectively reduce the…

Computation and Language · Computer Science 2025-03-11 Jun Kong , Xinge Ma , Jin Wang , Xuejie Zhang

Pruning has emerged as a promising direction for accelerating large language model (LLM) inference, yet existing approaches often suffer from instability because they rely on offline calibration data that may not generalize across inputs.…

Computation and Language · Computer Science 2025-12-09 Jungmin Lee , Gwangeun Byeon , Yulhwa Kim , Seokin Hong

Video Large Language Models (VLLMs) incur substantial prefilling cost due to the large number of visual tokens. While attention-based token pruning offers a promising acceleration strategy, applying it at shallow decoder layers often causes…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yingjie Xia , Tao Liu , Jinglei Shi , Qingsong Xie , Heng Guo , Jian Yang , Xi Wang

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

We present LightVLA, a simple yet effective differentiable token pruning framework for vision-language-action (VLA) models. While VLA models have shown impressive capability in executing real-world robotic tasks, their deployment on…

Robotics · Computer Science 2025-09-23 Titong Jiang , Xuefeng Jiang , Yuan Ma , Xin Wen , Bailin Li , Kun Zhan , Peng Jia , Yahui Liu , Sheng Sun , Xianpeng Lang

Multi-modal large language models (MLLMs) are expected to support multi-turn queries of interchanging image and text modalities in production. However, the current MLLMs trained with visual-question-answering (VQA) datasets could suffer…

Computation and Language · Computer Science 2024-11-06 Shengzhi Li , Rongyu Lin , Shichao Pei

Large Vision-Language Models (LVLMs) process multimodal inputs consisting of text tokens and vision tokens extracted from images or videos. Due to the rich visual information, a single image can generate thousands of vision tokens, leading…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Zicong Tang , Ziyang Ma , Suqing Wang , Zuchao Li , Lefei Zhang , Hai Zhao , Yun Li , Qianren Wang

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

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

Prompt learning is an effective way to exploit the potential of large-scale pre-trained foundational models. Continuous prompts parameterize context tokens in prompts by turning them into differentiable vectors. Deep continuous prompts…

Machine Learning · Computer Science 2025-01-03 Zhenhan Huang , Tejaswini Pedapati , Pin-Yu Chen , Jianxi Gao

Multimodal large language models (MLLMs) demonstrate strong performance across visual tasks, but their efficiency is hindered by significant computational and memory demands from processing long contexts in multimodal inputs. To address…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Yingen Liu , Fan Wu , Ruihui Li , Zhuo Tang , Kenli Li

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 vision-language models (VLMs) typically process hundreds or thousands of visual tokens per image or video frame, incurring quadratic attention cost and substantial redundancy. Existing token reduction methods often ignore the textual…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Kaitong Cai , Jusheng Zhang , Jing Yang , Yijia Fan , Pengtao Xie , Jian Wang , Keze Wang