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Prompt learning has emerged as an efficient and effective approach for transferring foundational Vision-Language Models (e.g., CLIP) to downstream tasks. However, current methods tend to overfit to seen categories, thereby limiting their…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Chen Xu , Yuhan Zhu , Guozhen Zhang , Haocheng Shen , Yixuan Liao , Xiaoxin Chen , Gangshan Wu , Limin Wang

Vision-language models (VLMs) excel at image understanding tasks, but the large number of visual tokens imposes significant computational costs, hindering deployment on mobile devices. Many pruning methods rely solely on token importance…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zhenkai Wu , Xiaowen Ma , Zhenliang Ni , Dengming Zhang , Han Shu , Xin Jiang , Xinghao Chen

Vision-Language-Action (VLA) models integrate visual perception, language understanding, and action decision-making for cross-modal semantic alignment, exhibiting broad application potential. However, the joint processing of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Chuhang Liu , Yayun He , Zuheng Kang , Xiaoyang Qu , Jianzong Wang

Leveraging temporal context is crucial for success in partially observable robotic tasks. However, prior work in behavior cloning has demonstrated inconsistent performance gains when using multi-frame observations. In this paper, we…

Robotics · Computer Science 2025-10-07 Huiwon Jang , Sihyun Yu , Heeseung Kwon , Hojin Jeon , Younggyo Seo , Jinwoo Shin

Deploying transformer models in practice is challenging due to their inference cost, which scales quadratically with input sequence length. To address this, we present a novel Learned Token Pruning (LTP) method which adaptively removes…

Computation and Language · Computer Science 2022-06-06 Sehoon Kim , Sheng Shen , David Thorsley , Amir Gholami , Woosuk Kwon , Joseph Hassoun , Kurt Keutzer

Large Vision Language Models (LVLMs) have achieved significant success across multi-modal tasks. However, the computational cost of processing long visual tokens can be prohibitively expensive on resource-limited devices. Previous methods…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Xubing Ye , Yukang Gan , Yixiao Ge , Xiao-Ping Zhang , Yansong Tang

Vision-Language-Action (VLA) models represent a pivotal advance in embodied intelligence, yet they confront critical barriers to real-world deployment, most notably catastrophic forgetting. This issue stems from their overreliance on…

Multi-modal Large Langue Models (MLLMs) often process thousands of visual tokens, which consume a significant portion of the context window and impose a substantial computational burden. Prior work has empirically explored visual token…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Dingchen Yang , Bowen Cao , Anran Zhang , Weibo Gu , Winston Hu , Guang Chen

Vision-Language-Action (VLA) models have recently emerged as a promising paradigm for robotic manipulation, in which reliable action prediction critically depends on accurately interpreting and integrating visual observations conditioned on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yulin Luo , Hao Chen , Zhuangzhe Wu , Bowen Sui , Jiaming Liu , Chenyang Gu , Zhuoyang Liu , Qiuxuan Feng , Jiale Yu , Shuo Gu , Peng Jia , Pheng-Ann Heng , Shanghang Zhang

Recent progress in vision-language models (VLMs) has led to impressive results in document understanding tasks, but their high computational demands remain a challenge. To mitigate the compute burdens, we propose a lightweight token pruning…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Jaemin Son , Sujin Choi , Inyong Yun

Recent Vision-Language-Action (VLA) models have made impressive progress toward general-purpose robotic manipulation by post-training large Vision-Language Models (VLMs) for action prediction. Yet most VLAs entangle perception and control…

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

Vision-Language-Action (VLA) models have shown remarkable promise in robotics manipulation, yet their high computational cost hinders real-time deployment. Existing token pruning methods suffer from a fundamental trade-off: aggressive…

Robotics · Computer Science 2026-05-19 Yixu Feng , Zinan Zhao , Yanxiang Ma , Chenghao Xia , Chengbin Du , Yunke Wang , Chang Xu

Vision-Language-Action (VLA) models have demonstrated significant potential in complex scene understanding and action reasoning, leading to their increasing adoption in end-to-end autonomous driving systems. However, the long visual tokens…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Jiajun Cao , Qizhe Zhang , Peidong Jia , Xuhui Zhao , Bo Lan , Xiaoan Zhang , Zhuo Li , Xiaobao Wei , Sixiang Chen , Liyun Li , Xianming Liu , Ming Lu , Yang Wang , Shanghang Zhang

Vision-language-action (VLA) models can learn to perform diverse manipulation skills "out of the box," but achieving the precision and speed that real-world tasks demand requires further fine-tuning -- for example, via reinforcement…

Machine Learning · Computer Science 2026-05-04 Charles Xu , Jost Tobias Springenberg , Michael Equi , Ali Amin , Adnan Esmail , Sergey Levine , Liyiming Ke

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

In vision-language models (VLMs), visual tokens usually bear a significant amount of computational overhead despite sparsity of information in them when compared to text tokens. To address this, most existing methods learn a network to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Yuan Zhang , Chun-Kai Fan , Junpeng Ma , Wenzhao Zheng , Tao Huang , Kuan Cheng , Denis Gudovskiy , Tomoyuki Okuno , Yohei Nakata , Kurt Keutzer , Shanghang Zhang

Vision Large Language Models (VLLMs) incur high computational costs due to their reliance on hundreds of visual tokens to represent images. While token pruning offers a promising solution for accelerating inference, this paper, however,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yahong Wang , Juncheng Wu , Zhangkai Ni , Longzhen Yang , Yihang Liu , Chengmei Yang , Ying Wen , Lianghua He , Xianfeng Tang , Hui Liu , Yuyin Zhou

Vision-Language-Action (VLA) models are receiving increasing attention for their ability to enable robots to perform complex tasks by integrating visual context with linguistic commands. However, achieving efficient real-time performance…

Robotics · Computer Science 2024-10-22 ByungOk Han , Jaehong Kim , Jinhyeok Jang

Vision-Language-Action (VLA) models have demonstrated strong multi-modal reasoning capabilities, enabling direct action generation from visual perception and language instructions in an end-to-end manner. However, their substantial…

Robotics · Computer Science 2025-10-22 Siyu Xu , Yunke Wang , Chenghao Xia , Dihao Zhu , Tao Huang , Chang Xu