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Related papers: CLIP Tricks You: Training-free Token Pruning for E…

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Unsupervised adaptation of CLIP-based vision-language models (VLMs) for fine-grained image classification requires sensitivity to microscopic local cues. While CLIP exhibits strong zero-shot transfer, its reliance on coarse global features…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Sathira Silva , Eman Ali , Chetan Arora , Muhammad Haris Khan

As the open community of large language models (LLMs) matures, multimodal LLMs (MLLMs) have promised an elegant bridge between vision and language. However, current research is inherently constrained by challenges such as the need for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Dongsheng Wang , Jiequan Cui , Miaoge Li , Wang Lin , Bo Chen , Hanwang Zhang

Large Vision-Language Models (LVLMs) generate contextually relevant responses by jointly interpreting visual and textual inputs. However, our finding reveals they often mistakenly perceive text inputs lacking visual evidence as being part…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Sohee Kim , Soohyun Ryu , Joonhyung Park , Eunho Yang

Vision-Language Models (VLMs) have shown strong performance in zero-shot image classification tasks. However, existing methods, including Contrastive Language-Image Pre-training (CLIP), all rely on annotated text-to-image pairs for aligning…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Dianxing Shi , Dingjie Fu , Yuqiao Liu , Jun Wang

Large Vision-Language Models (LVLMs) are susceptible to object hallucinations, an issue in which their generated text contains non-existent objects, greatly limiting their reliability and practicality. Current approaches often rely on the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Ailin Deng , Zhirui Chen , Bryan Hooi

Vision Language Models (VLMs) have demonstrated strong capabilities across various visual understanding and reasoning tasks, driven by incorporating image representations into the token inputs of Large Language Models (LLMs). However, their…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Kevin Y. Li , Sachin Goyal , Joao D. Semedo , J. Zico Kolter

Multimodal Large Language Models (MLLMs) suffer from severe training inefficiency issue, which is associated with their massive model sizes and visual token numbers. Existing efforts in efficient training focus on reducing model sizes or…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Dingkun Zhang , Shuhan Qi , Yulin Wu , Xinyu Xiao , Xuan Wang , Long Chen

The development of Multi-modal Large Language Models (MLLMs) enhances Large Language Models (LLMs) with the ability to perceive data formats beyond text, significantly advancing a range of downstream applications, such as visual question…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Minbin Huang , Runhui Huang , Han Shi , Yimeng Chen , Chuanyang Zheng , Xiangguo Sun , Xin Jiang , Zhenguo Li , Hong Cheng

Video Large Language Models have demonstrated strong video understanding capabilities, yet their practical deployment is hindered by substantial inference costs caused by redundant video tokens. Existing pruning techniques fail to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Leqi Shen , Guoqiang Gong , Tao He , Yifeng Zhang , Pengzhang Liu , Sicheng Zhao , Guiguang Ding

Multimodal Large Language Models (MLLMs) have demonstrated exceptional success in various multimodal tasks, yet their deployment is frequently limited by substantial computational demands and prolonged inference times. Given that the vision…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Zihui Zhao , Yingxin Li , Yang Li

Conventional Vision-Language Models(VLMs) typically utilize a fixed number of vision tokens, regardless of task complexity. This one-size-fits-all strategy introduces notable inefficiencies: using excessive tokens leads to unnecessary…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Junshan Hu , Jialiang Mao , Zhikang Liu , Zhongpu Xia , Peng Jia , Xianpeng Lang

Visual tokens dominate inference cost in vision-language models (VLMs), yet many carry redundant information. Existing pruning methods alleviate this but typically rely on attention magnitude or similarity scores. We reformulate visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Landi He , Xiaoyu Yang , Lijian Xu

Token pruning has emerged as an effective approach to reduce the substantial computational overhead of Large Vision-Language Models (LVLMs) by discarding less informative visual tokens while preserving performance. However, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Kexin Ma , Jing Xiao , Chaofeng Chen , Geyong Min , Guibo Zhu , Jinqiao Wang , Liang Liao

Large vision-language models (LVLMs) have demonstrated remarkable capabilities in multimodal understanding tasks. However, the increasing demand for high-resolution image and long-video understanding results in substantial token counts,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Junjie Chen , Xuyang Liu , Zichen Wen , Yiyu Wang , Siteng Huang , Honggang Chen

Vision-language models (VLMs) extend the conventional large language models by integrating visual data, enabling richer multimodal reasoning and significantly broadens the practical applications of AI. However, including visual inputs also…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Daulet Toibazar , Kesen Wang , Sherif Mohamed , Abdulaziz Al-Badawi , Abdulrahman Alfulayt , Pedro J. Moreno

With recent progress in joint modeling of visual and textual representations, Vision-Language Pretraining (VLP) has achieved impressive performance on many multimodal downstream tasks. However, the requirement for expensive annotations…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Zirui Wang , Jiahui Yu , Adams Wei Yu , Zihang Dai , Yulia Tsvetkov , Yuan Cao

Vision Transformers (ViTs) achieve state-of-the-art performance but suffer from the $O(N^2)$ complexity of self-attention, making inference costly for high-resolution inputs. To address this bottleneck, token pruning has emerged as a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Wei-Yuan Su , Ruijie Zhang , Zheng Zhang

In standard large vision-language models (LVLMs) pre-training, the model typically maximizes the joint probability of the caption conditioned on the image via next-token prediction (NTP); however, since only a small subset of caption tokens…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Yangyi Chen , Hao Peng , Tong Zhang , Heng Ji

In this study, we identify the inefficient attention phenomena in Large Vision-Language Models (LVLMs), notably within prominent models like LLaVA-1.5, QwenVL-Chat and Video-LLaVA. We find out that the attention computation over visual…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Liang Chen , Haozhe Zhao , Tianyu Liu , Shuai Bai , Junyang Lin , Chang Zhou , Baobao Chang

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