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Multimodal Large Language Models (MLLMs) are becoming increasingly popular, while the high computational cost associated with multimodal data input, particularly from visual tokens, poses a significant challenge. Existing training-based…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Xudong Tan , Peng Ye , Chongjun Tu , Jianjian Cao , Yaoxin Yang , Lin Zhang , Dongzhan Zhou , Tao Chen

With the remarkable success of Vision-Language Models (VLMs) on multimodal tasks, concerns regarding their deployment efficiency have become increasingly prominent. In particular, the number of tokens consumed during the generation process…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Zhi Luo , Zenghui Yuan , Wenqi Wei , Daizong Liu , Pan Zhou

Amidst the advancements in image-based Large Vision-Language Models (image-LVLM), the transition to video-based models (video-LVLM) is hindered by the limited availability of quality video data. This paper addresses the challenge by…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Shimin Chen , Yitian Yuan , Shaoxiang Chen , Zequn Jie , Lin Ma

"Compression Tells Intelligence", is supported by research in artificial intelligence, particularly concerning (multimodal) large language models (LLMs/MLLMs), where compression efficiency often correlates with improved model performance…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Xin Jin , Jinming Liu , Yuntao Wei , Junyan Lin , Zhicheng Wang , Jianguo Huang , Xudong Yang , Yanxiao Liu , Wenjun Zeng

Vision language models (VLMs) extend the reasoning capabilities of large language models (LLMs) to cross-modal settings, yet remain highly vulnerable to multimodal jailbreak attacks. Existing defenses predominantly rely on safety…

Artificial Intelligence · Computer Science 2026-04-14 Mengxuan Wang , Yuxin Chen , Gang Xu , Tao He , Hongjie Jiang , Ming Li

Video large language models (VideoLLM) excel at video understanding, but face efficiency challenges due to the quadratic complexity of abundant visual tokens. Our systematic analysis of token compression methods for VideoLLMs reveals two…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Xuyang Liu , Yiyu Wang , Junpeng Ma , Linfeng Zhang

Recent Multimodal Large Language Models (MLLMs) have demonstrated strong performance on vision-language understanding tasks, yet their inference efficiency is often hampered by the large number of visual tokens, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jiafei Song , Fengwei Zhou , Jin Qu , Wenjin Jason Li , Tong Wu , Gengjian Xue , Zhikang Zhao , Daomin Wei , Yichao Lu , Bailin Na

Vision Language Models (VLMs) excel at identifying and describing objects but often fail at spatial reasoning. We study why VLMs, such as LLaVA, underutilize spatial cues despite having positional encodings and spatially rich vision encoder…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Jianing Qi , Jiawei Liu , Hao Tang , Zhigang Zhu

Large language models (LLMs) face significant token efficiency bottlenecks in code generation and logical reasoning tasks, a challenge that directly impacts inference cost and model interpretability. This paper proposes a formal framework…

Artificial Intelligence · Computer Science 2025-02-03 Lumen AI , Tengzhou No. 1 Middle School , Shihao Ji , Zihui Song , Fucheng Zhong , Jisen Jia , Zhaobo Wu , Zheyi Cao , Tianhao Xu

The computational expense of redundant vision tokens in Large Vision-Language Models (LVLMs) has led many existing methods to compress them via a vision projector. However, this compression may lose visual information that is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Ze Feng , Jiang-jiang Liu , Sen Yang , Lingyu Xiao , Zhibin Quan , Zhenhua Feng , Wankou Yang , Jingdong Wang

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

Visual instruction tuning aims to enable large language models to comprehend the visual world, with a pivotal challenge lying in establishing an effective vision-to-language projection. However, existing methods often grapple with the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Bonan li , Zicheng Zhang , Songhua Liu , Weihao Yu , Xinchao Wang

Large Vision-Language Models (LVLMs) have demonstrated remarkable capabilities in multimodal understanding and generation, yet their vulnerability to adversarial attacks raises significant robustness concerns. While existing effective…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Hefei Mei , Zirui Wang , Shen You , Minjing Dong , Chang Xu

Real-world applications are stretching context windows to hundreds of thousand of tokens while Large Language Models (LLMs) swell from billions to trillions of parameters. This dual expansion send compute and memory costs skyrocketing,…

Computation and Language · Computer Science 2025-12-12 Ling Xing , Alex Jinpeng Wang , Rui Yan , Xiangbo Shu , Jinhui Tang

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

In recent years, large-scale vision-language models (VLMs) have demonstrated remarkable performance on multimodal understanding and reasoning tasks. However, handling high-dimensional visual features often incurs substantial computational…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Xiaoyang Guo , Keze Wang

Large Vision-Language Models (VLMs) have achieved remarkable success in understanding complex real-world scenarios and supporting data-driven decision-making processes. However, VLMs exhibit significant vulnerability against adversarial…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Xiaosen Wang , Shaokang Wang , Zhijin Ge , Yuyang Luo , Shudong Zhang

Large Vision-Language Models (LVLMs) enable sophisticated reasoning over images and videos, yet their inference is hindered by a systemic efficiency barrier known as visual token dominance. This overhead is driven by a multi-regime…

Computation and Language · Computer Science 2026-04-15 Jun Zhang , Yicheng Ji , Feiyang Ren , Yihang Li , Bowen Zeng , Zonghao Chen , Ke Chen , Lidan Shou , Gang Chen , Huan Li

Large Multimodal Models (LMMs) have shown significant visual reasoning capabilities by connecting a visual encoder and a large language model. LMMs typically take in a fixed and large amount of visual tokens, such as the penultimate layer…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Yuzhang Shang , Mu Cai , Bingxin Xu , Yong Jae Lee , Yan Yan

Large vision-language models (LVLMs) have achieved impressive performance across a wide range of vision-language tasks, while they remain vulnerable to backdoor attacks. Existing backdoor attacks on LVLMs aim to force the victim model to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Zhifang Zhang , Qiqi Tao , Jiaqi Lv , Na Zhao , Lei Feng , Joey Tianyi Zhou