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Multimodal Large Language Models (MLLMs) typically process a large number of visual tokens, leading to considerable computational overhead, even though many of these tokens are redundant. Existing visual token pruning methods primarily…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Jinhong Deng , Wen Li , Joey Tianyi Zhou , Yang He

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

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

Online video understanding is essential for applications like public surveillance and AI glasses. However, applying Multimodal Large Language Models (MLLMs) to this domain is challenging due to the large number of video frames, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Xinqi Jin , Hanxun Yu , Bohan Yu , Kebin Liu , Jian Liu , Keda Tao , Yixuan Pei , Huan Wang , Fan Dang , Jiangchuan Liu , Weiqiang Wang

Large models achieve strong performance on Vision-and-Language Navigation (VLN) tasks, but are costly to run in resource-limited environments. Token pruning offers appealing tradeoffs for efficiency with minimal performance loss by reducing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Wenda Qin , Andrea Burns , Bryan A. Plummer , Margrit Betke

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

Multimodal large language models (MLLMs) incur substantial inference cost due to the processing of hundreds of visual tokens per image. Although token pruning has proven effective for accelerating inference, determining when and where to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Yahong Wang , Juncheng Wu , Zhangkai Ni , Chengmei Yang , Yihang Liu , Longzhen Yang , Yuyin Zhou , Ying Wen , Lianghua He

Vision-Language Models (VLMs) demand substantial computational resources during inference, largely due to the extensive visual input tokens for representing visual information. Previous studies have noted that visual tokens tend to receive…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Cheng Yang , Yang Sui , Jinqi Xiao , Lingyi Huang , Yu Gong , Chendi Li , Jinghua Yan , Yu Bai , Ponnuswamy Sadayappan , Xia Hu , Bo Yuan

Multimodal Large Language Models (MLLMs) have shown remarkable versatility in understanding diverse multimodal data and tasks. However, these capabilities come with an increased model scale. While post-training pruning reduces model size in…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Jaewoo Lee , Keyang Xuan , Chanakya Ekbote , Sandeep Polisetty , Yi R. Fung , Paul Pu Liang

Multimodal large language models (MLLMs) have shown remarkable capabilities in a wide range of vision-language tasks. However, the large number of visual tokens introduces significant computational overhead. To address this issue, visual…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Yuxiang Duan , Ao Li , Yingqin Li , Luyu Li , Pengwei Wang

Multimodal Large Language Models (MLLMs) have shown strong reasoning ability, but their high computational and memory costs hinder deployment in resource-constrained settings. While Post-Training Quantization (PTQ) and vision token pruning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Xinhao Wang , Zhonyu Xia , Zhiwei Lin , Zhe Li , Yongtao Wang

Convolutional Neural Networks (CNNs) achieve high performance in image classification tasks but are challenging to deploy on resource-limited hardware due to their large model sizes. To address this issue, we leverage Mutual Information, a…

Machine Learning · Computer Science 2024-11-28 Tien Vu-Van , Dat Du Thanh , Nguyen Ho , Mai Vu

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

Vision encoders serve as the cornerstone of multimodal understanding. Single-encoder architectures like CLIP exhibit inherent constraints in generalizing across diverse multimodal tasks, while recent multi-encoder fusion methods introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yuchen Liu , Yaoming Wang , Bowen Shi , Xiaopeng Zhang , Wenrui Dai , Chenglin Li , Hongkai Xiong , Qi Tian

In multimodal large language models (MLLMs), the surge of visual tokens significantly increases the inference time and computational overhead, making them impractical for real-time or resource-constrained applications. Visual token pruning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Qihui Zhu , Tao Zhang , Yuchen Wang , Zijian Wen , Mengjie Zhang , Shuangwu Chen , Xiaobin Tan , Jian Yang , Yang Liu , Zhenhua Dong , Xianzhi Yu , Yinfei Pan

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

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

Since its inception, Vision Transformer (ViT) has emerged as a prevalent model in the computer vision domain. Nonetheless, the multi-head self-attention (MHSA) mechanism in ViT is computationally expensive due to its calculation of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Zhe Bian , Zhe Wang , Wenqiang Han , Kangping Wang

Large Vision-Language Models (LVLMs) excel in cross-model tasks but experience performance declines in long-context reasoning due to overreliance on textual information and reduced visual dependency. In this study, we empirically analyze…

Computation and Language · Computer Science 2024-12-23 Yucheng Zhou , Zhi Rao , Jun Wan , Jianbing Shen

Efficient vision-language understanding of large Remote Sensing Images (RSIs) is meaningful but challenging. Current Large Vision-Language Models (LVLMs) typically employ limited pre-defined grids to process images, leading to information…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Junwei Luo , Yingying Zhang , Xue Yang , Kang Wu , Qi Zhu , Lei Liang , Jingdong Chen , Yansheng Li