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KV cache pruning has emerged as a promising technique for reducing memory and computation costs in long-context auto-regressive generation. Existing methods for vision-language models (VLMs) typically rely on self-attention scores from…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Xiaohuan Pei , Tao Huang , Chang Xu

Large language models (LLMs) exhibit strong reasoning capabilities but typically require expensive post-training to reach high performance. Recent test-time alignment methods offer a lightweight alternative, but have been explored mainly…

Computation and Language · Computer Science 2026-03-20 Arushi Rai , Qiang Zhang , Hanqing Zeng , Yunkai Zhang , Dipesh Tamboli , Xiangjun Fan , Zhuokai Zhao , Lizhu Zhang

The computational demands of Vision Transformers (ViTs) and Vision-Language Models (VLMs) remain a significant challenge due to the quadratic complexity of self-attention. While token pruning offers a promising solution, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Ahmadreza Jeddi , Negin Baghbanzadeh , Elham Dolatabadi , Babak Taati

By treating visual tokens from visual encoders as text tokens, Multimodal Large Language Models (MLLMs) have achieved remarkable progress across diverse visual understanding tasks, leveraging the robust architectures of Large Language…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Zeliang Zhang , Phu Pham , Wentian Zhao , Kun Wan , Yu-Jhe Li , Jianing Zhou , Daniel Miranda , Ajinkya Kale , Chenliang Xu

In Vision-Language Models (VLMs), processing a massive number of visual tokens incurs prohibitive computational overhead. While recent training-aware pruning methods attempt to selectively discard redundant tokens, they largely rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Mingzhe Huang , Weijun Wang , Xin Ding , Liang Mi , Hao Wen , Yuanchun Li , Lichen Pang , Shansong Yang , Yunxin Liu , Ting Cao

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

Vision-Language-Action (VLA) models excel in robotic manipulation but suffer from significant inference latency due to processing dense visual tokens. Existing token reduction methods predominantly rely on attention magnitude as a static…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Peiju Liu , Jinming Liu , Xipeng Qiu , Xuanjing Huang

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

Video large language models (LLMs) achieve strong video understanding by leveraging a large number of spatio-temporal tokens, but suffer from quadratic computational scaling with token count. To address this, we propose a training-free…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Jeongseok Hyun , Sukjun Hwang , Su Ho Han , Taeoh Kim , Inwoong Lee , Dongyoon Wee , Joon-Young Lee , Seon Joo Kim , Minho Shim

Vision-Language Models (VLMs) have achieved remarkable success in various multi-modal tasks, but they are often bottlenecked by the limited context window and high computational cost of processing high-resolution image inputs and videos.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Xubing Ye , Yukang Gan , Xiaoke Huang , Yixiao Ge , Yansong Tang

Typical video modeling methods, such as LLava, represent videos as sequences of visual tokens, which are then processed by the LLM backbone for effective video understanding. However, this approach leads to a massive number of visual…

Computation and Language · Computer Science 2025-06-05 Hongzhi Zhang , Jingyuan Zhang , Xingguang Ji , Qi Wang , Fuzheng Zhang

Vision-Language-Action (VLA) models have demonstrated remarkable generalization capabilities in robotic manipulation tasks, yet their substantial computational overhead remains a critical obstacle to real-world deployment. Improving…

Robotics · Computer Science 2026-02-03 Yujie Wei , Jiahan Fan , Jiyu Guo , Ruichen Zhen , Rui Shao , Xiu Su , Zeke Xie , Shuo Yang

Recent Multimodal Large Language Models(MLLMs) often use a large number of visual tokens to compensate their visual shortcoming, leading to excessive computation and obvious visual redundancy. In this paper, we investigate what kind of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Yutao Jiang , Qiong Wu , Wenhao Lin , Wei Yu , Yiyi Zhou

Large Vision-Language Models (LVLMs) have demonstrated remarkable capabilities across a range of multimodal tasks. However, their inference efficiency is constrained by the large number of visual tokens processed during decoding. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Yu Meng , Kaiyuan Li , Chenran Huang , Chen Gao , Xinlei Chen , Yong Li , Xiaoping Zhang

Current Video Large Language Models (VideoLLMs) suffer from quadratic computational complexity and key-value cache scaling, due to their reliance on processing excessive redundant visual tokens. To address this problem, we propose SharpV, a…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Jialong Qin , Xin Zou , Di Lu , Yibo Yan , Xuming Hu

Linearizing pretrained large language models (LLMs) primarily relies on intra-layer hybrid attention mechanisms to alleviate the quadratic complexity of standard softmax attention. Existing methods perform token routing based on…

Machine Learning · Computer Science 2026-02-03 Weikang Meng , Liangyu Huo , Yadan Luo , Jiawen Guan , Jingyi Zhang , Yingjian Li , Zheng Zhang

Although speculative decoding is widely used to accelerate Vision-Language Models (VLMs) inference, it faces severe performance collapse when applied to Video Large Language Models (Vid-LLMs). The draft model typically falls into the trap…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Libo Zhang , Zhaoning Zhang , Wangyang Hong , Peng Qiao , Dongsheng Li

Contrastive learning has been widely used to train transformer-based vision-language models for video-text alignment and multi-modal representation learning. This paper presents a new algorithm called Token-Aware Cascade contrastive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Jianwei Yang , Yonatan Bisk , Jianfeng Gao

Large-scale video-language pre-training has made remarkable strides in advancing video-language understanding tasks. However, the heavy computational burden of video encoding remains a formidable efficiency bottleneck, particularly for…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Shuhuai Ren , Sishuo Chen , Shicheng Li , Xu Sun , Lu Hou

Multimodal Large Language Models (MLLMs) have significantly improved performance across various image-language applications. Recently, there has been a growing interest in adapting image pre-trained MLLMs for video-related tasks. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Mingze Gao , Jingyu Liu , Mingda Li , Jiangtao Xie , Qingbin Liu , Bo Zhao , Xi Chen , Hui Xiong