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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

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

Large vision-language models (VLMs) have demonstrated remarkable capabilities in open-world multimodal understanding, yet their high computational overheads pose great challenges for practical deployment. Some recent works have proposed…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Zhenwei Shao , Mingyang Wang , Weijun Zhang , Zhou Yu , Wenwen Pan , Yan Yang , Tao Wei , Hongyuan Zhang , Jun Yu

Vision Transformers (ViTs) have become increasingly popular in large-scale Vision and Language Pre-training (VLP) models. Although previous VLP research has demonstrated the efficacy of ViTs, these efforts still struggle with computational…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Wei Ye , Chaoya Jiang , Haiyang Xu , Chenhao Ye , Chenliang Li , Ming Yan , Shikun Zhang , Songhang Huang , Fei Huang

Vision-Language Models (VLMs) are expensive because the LLM processes hundreds of largely redundant visual tokens. Existing token reduction methods typically exploit \textit{either} vision-encoder saliency (broad but query-agnostic)…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Dhruv Parikh , Haoyang Fan , Rajgopal Kannan , Viktor Prasanna

Visual instruction tuning has become the predominant technology in eliciting the multimodal task-solving capabilities of large vision-language models (LVLMs). Despite the success, as visual instructions require images as the input, it would…

Computation and Language · Computer Science 2025-02-18 Zikang Liu , Kun Zhou , Wayne Xin Zhao , Dawei Gao , Yaliang Li , Ji-Rong Wen

Attention is sparse in vision transformers. We observe the final prediction in vision transformers is only based on a subset of most informative tokens, which is sufficient for accurate image recognition. Based on this observation, we…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Yongming Rao , Wenliang Zhao , Benlin Liu , Jiwen Lu , Jie Zhou , Cho-Jui Hsieh

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

Vision-language models (VLMs) have shown remarkable success across various multi-modal tasks, yet large VLMs encounter significant efficiency challenges due to processing numerous visual tokens. A promising approach to accelerating large…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Wangbo Zhao , Yizeng Han , Jiasheng Tang , Zhikai Li , Yibing Song , Kai Wang , Zhangyang Wang , Yang You

Visual Prompt Tuning (VPT) has become a promising solution for Parameter-Efficient Fine-Tuning (PEFT) approach for Vision Transformer (ViT) models by partially fine-tuning learnable tokens while keeping most model parameters frozen. Recent…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Li Ren , Chen Chen , Liqiang Wang , Kien Hua

Visual token pruning is a widely used strategy for efficient inference in multimodal large language models (MLLMs), but existing work mainly evaluates it with task accuracy. In this paper, we study how visual token pruning affects model…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Kaizhen Tan

Multimodal Large Language Models (MLLMs) demonstrate robust zero-shot capabilities across diverse vision-language tasks after training on mega-scale datasets. However, dense prediction tasks, such as semantic segmentation and keypoint…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Yan Tai , Luhao Zhu , Yunan Ding , Yiying Dong , Guangtao Zhai , Xiaohong Liu , Guodong Guo

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

With the continuous expansion of Large Language Models (LLMs) and advances in reinforcement learning, LLMs have demonstrated exceptional reasoning capabilities, enabling them to address a wide range of complex problems. Inspired by these…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Hongrui Jia , Chaoya Jiang , Shikun Zhang , Wei Ye

Vision Transformers (ViTs) have revolutionized the field of computer vision, yet their deployments on resource-constrained devices remain challenging due to high computational demands. To expedite pre-trained ViTs, token pruning and token…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Xuwei Xu , Sen Wang , Yudong Chen , Yanping Zheng , Zhewei Wei , Jiajun Liu

Advances in large reasoning models have shown strong performance on complex reasoning tasks by scaling test-time compute through extended reasoning. However, recent studies observe that in vision-dependent tasks, extended textual reasoning…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Soumya Suvra Ghosal , Youngeun Kim , Zhuowei Li , Ritwick Chaudhry , Linghan Xu , Hongjing Zhang , Jakub Zablocki , Yifan Xing , Qin Zhang

Reinforcement Learning with Verifiable Rewards (RLVR) has significantly advanced reasoning capabilities in Large Language Models. However, adapting RLVR to multimodal domains suffers from a critical \textit{perception-reasoning decoupling}.…

Artificial Intelligence · Computer Science 2026-01-13 Shujian Gao , Yuan Wang , Jiangtao Yan , Zuxuan Wu , Yu-Gang Jiang

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

Transformer-based models have driven significant advancements in Multimodal Large Language Models (MLLMs), yet their computational costs surge drastically when scaling resolution, training data, and model parameters. A key bottleneck stems…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Weili Zeng , Ziyuan Huang , Kaixiang Ji , Yichao Yan

In the present work we present Training Noise Token (TNT) Pruning for vision transformers. Our method relaxes the discrete token dropping condition to continuous additive noise, providing smooth optimization in training, while retaining…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Mingxing Rao , Bohan Jiang , Daniel Moyer