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Video large language models (Vid-LLMs) have shown strong capabilities in understanding video content. However, their reliance on dense video token representations introduces substantial memory and computational overhead in both prefilling…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Yicheng Ji , Jun Zhang , Heming Xia , Jinpeng Chen , Lidan Shou , Gang Chen , Huan Li

Large Language Models (LLMs) often rely on long chain-of-thought (CoT) reasoning to solve complex tasks. While effective, these trajectories are frequently inefficient, leading to high latency from excessive token generation, or unstable…

Pre-trained vision-language models (VLMs) have achieved impressive results in a range of vision-language tasks. However, popular VLMs usually consist of hundreds of millions of parameters which brings challenges for fine-tuning and…

Computation and Language · Computer Science 2022-10-17 Tiannan Wang , Wangchunshu Zhou , Yan Zeng , Xinsong Zhang

Modern multimodal large language models (MLLMs) adopt a unified self-attention design that processes visual and textual tokens at every Transformer layer, incurring substantial computational overhead. In this work, we revisit the necessity…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Wenjie Liu , Hao Wu , Xin Qiu , Xudong Wang , Yingqi Fan , Yihan Zhang , Anhao Zhao , Yunpu Ma , Xiaoyu Shen

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 Vision-Language Models (LVLMs) can reason effectively over both textual and visual inputs, but they tend to hallucinate syntactically coherent yet visually ungrounded contents. In this paper, we investigate the internal dynamics of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Zhuowei Li , Haizhou Shi , Yunhe Gao , Di Liu , Zhenting Wang , Yuxiao Chen , Ting Liu , Long Zhao , Hao Wang , Dimitris N. Metaxas

Multimodal Large Language Models (MLLMs) have demonstrated remarkable capabilities across diverse tasks, yet they lag significantly behind humans in spatial reasoning. We investigate this gap through Transformation-Driven Visual Reasoning…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Zongzhao Li , Zongyang Ma , Mingze Li , Songyou Li , Yu Rong , Tingyang Xu , Ziqi Zhang , Deli Zhao , Wenbing Huang

Vision-language large models have achieved remarkable success in various multi-modal tasks, yet applying them to video understanding remains challenging due to the inherent complexity and computational demands of video data. While…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Kai Han , Jianyuan Guo , Yehui Tang , Wei He , Enhua Wu , Yunhe Wang

Real-time inference of vision-language-action (VLA) models is essential for robotic control. While visual token pruning has shown strong potential for accelerating inference, most existing methods mainly base pruning decisions on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Shilin Ma , Chubin Zhang , Changyuan Wang , Yuji Wang , Yue Wu , Zixuan Wang , Jingqi Tian , Zheng Zhu , Yansong Tang

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 this work, we propose a training-free method to inject visual prompts into Multimodal Large Language Models (MLLMs) through test-time optimization of a learnable latent variable. We observe that attention, as the core module of MLLMs,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Mingrui Wu , Xinyue Cai , Jiayi Ji , Jiale Li , Oucheng Huang , Gen Luo , Hao Fei , Guannan Jiang , Xiaoshuai Sun , Rongrong Ji

The performance of Large Vision Language Models (LVLMs) is dependent on the size and quality of their training datasets. Existing video instruction tuning datasets lack diversity as they are derived by prompting large language models with…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Orr Zohar , Xiaohan Wang , Yonatan Bitton , Idan Szpektor , Serena Yeung-Levy

Vision-Language Models (VLMs) have become central to autonomous driving systems, yet their deployment is severely bottlenecked by the massive computational overhead of multi-view camera and multi-frame video input. Existing token pruning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Lin Sha , Haiyun Guo , Tao Wang , Cong Zhang , Min Huang , Jinqiao Wang , Qinghai Miao

Visual Autoregressive modeling (VAR) has emerged as a highly efficient alternative to diffusion-based frameworks, achieving comparable synthesis quality. However, as this paradigm extends to Spacetime Autoregressive modeling (STAR) for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Sungwoong Yune , Suheon Jeong , Joo-Young Kim

Vision transformer has achieved impressive performance for many vision tasks. However, it may suffer from high redundancy in capturing local features for shallow layers. Local self-attention or early-stage convolutions are thus utilized,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Huaibo Huang , Xiaoqiang Zhou , Jie Cao , Ran He , Tieniu Tan

Large language models (LLMs) have demonstrated significant improvements in contextual understanding. However, their ability to attend to truly critical information during long-context reasoning and generation still falls behind the pace.…

Computation and Language · Computer Science 2025-10-27 Yiju Guo , Wenkai Yang , Zexu Sun , Ning Ding , Zhiyuan Liu , Yankai Lin

Existing approaches for improving the efficiency of Large Vision-Language Models (LVLMs) are largely based on the concept of visual token reduction. This approach, however, creates an information bottleneck that impairs performance,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Adrian Bulat , Alberto Baldrati , Ioannis Maniadis Metaxas , Yassine Ouali , Georgios Tzimiropoulos

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

For multimodal large language models (MLLMs), visual information is relatively sparse compared with text. As a result, research on visual pruning emerges for efficient inference. Current approaches typically measure token importance based…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Jiameng Li , Aleksei Tiulpin , Matthew B. Blaschko

Although Large Vision Language Models (LVLMs) have demonstrated remarkable performance in image understanding tasks, their computational efficiency remains a significant challenge, particularly on resource-constrained devices due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Ruiguang Pei , Weiqing Sun , Zhihui Fu , Jun Wang