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Vision transformer emerges as a potential architecture for vision tasks. However, the intense computation and non-negligible delay hinder its application in the real world. As a widespread model compression technique, existing post-training…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Yifu Ding , Haotong Qin , Qinghua Yan , Zhenhua Chai , Junjie Liu , Xiaolin Wei , Xianglong Liu

Recently, video language models (VLMs) have been applied in various fields. However, the visual token sequence of the VLM is too long, which may cause intolerant inference latency and GPU memory usage. Existing methods propose…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Wei Tao , Xiaoyang Qu , Peiqiang Wang , Guokuan Li , Jiguang Wan , Kai Lu , Jianzong Wang

Vision-Language-Action models (VLAs) have demonstrated strong potential for embodied AI, yet their deployment on resource-limited robots remains challenging due to high memory and computational demands. While Post-Training Quantization…

Robotics · Computer Science 2026-04-14 Siyuan Xu , Tianshi Wang , Fengling Li , Lei Zhu , Heng Tao Shen

Recently, multimodal large language models (MLLMs) have emerged as a key approach in achieving artificial general intelligence. In particular, vision-language MLLMs have been developed to generate not only text but also visual outputs from…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Donghwan Chi , Hyomin Kim , Yoonjin Oh , Yongjin Kim , Donghoon Lee , Daejin Jo , Jongmin Kim , Junyeob Baek , Sungjin Ahn , Sungwoong Kim

Weight-only quantization has become a standard approach for efficiently serving large language models (LLMs). However, existing methods fail to efficiently compress models to binary (1-bit) levels, as they either require large amounts of…

Machine Learning · Computer Science 2026-05-19 Hyochan Chong , Dongkyu Kim , Changdong Kim , Minseop Choi

Visual token reduction lowers inference costs caused by extensive image features in large vision-language models (LVLMs). Unlike relevant studies that prune tokens in self-attention-only LVLMs, our work uniquely addresses…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Jewon Lee , Ki-Ung Song , Seungmin Yang , Donguk Lim , Jaeyeon Kim , Wooksu Shin , Bo-Kyeong Kim , Yong Jae Lee , Tae-Ho Kim

Serving Large Language Models (LLMs) is costly. However, post-training weight quantization can address this problem by both compressing their sizes for limited memory and saving bandwidth for acceleration. As not all weight dimensions are…

Machine Learning · Computer Science 2025-03-05 Yuezhou Hu , Weiyu Huang , Zichen Liang , Chang Chen , Jintao Zhang , Jun Zhu , Jianfei Chen

Transformer-based architectures like BERT have achieved great success in a wide range of Natural Language tasks. Despite their decent performance, the models still have numerous parameters and high computational complexity, impeding their…

Computation and Language · Computer Science 2022-11-01 Ting Hu , Christoph Meinel , Haojin Yang

Rotation-based Post-Training Quantization (PTQ) has emerged as a promising solution for mitigating activation outliers in the quantization of Large Language Models (LLMs). Global rotation methods achieve inference efficiency by fusing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Suyoung Kim , Sunghyun Wee , Hyeonjin Kim , Kyomin Hwang , Hyunho Lee , Nojun Kwak

Although Large Vision Language Models (LVLMs) have demonstrated impressive multimodal reasoning capabilities, their scalability and deployment are constrained by massive computational requirements. In particular, the massive amount of…

Machine Learning · Computer Science 2026-04-14 Surendra Pathak , Bo Han

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

Large language models (LLMs) can now handle longer sequences of tokens, enabling complex tasks like book understanding and generating lengthy novels. However, the key-value (KV) cache required for LLMs consumes substantial memory as context…

Machine Learning · Computer Science 2024-11-13 Haojie Duanmu , Zhihang Yuan , Xiuhong Li , Jiangfei Duan , Xingcheng Zhang , Dahua Lin

Large Language Models (LLMs) are widely used across many domains, but their scale makes deployment challenging. Post-Training Quantization (PTQ) reduces memory footprint without retraining by leveraging a small calibration set. Recent…

Machine Learning · Computer Science 2026-04-16 Jaemin Kim , Sungkyun Kim , Junyeol Lee , Jiwon Seo

Vision token pruning has proven to be an effective acceleration technique for the efficient Vision Language Model (VLM). However, existing pruning methods demonstrate excellent performance preservation in visual question answering (VQA) and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Yihong Huang , Fei Ma , Yihua Shao , Jingcai Guo , Zitong Yu , Laizhong Cui , Qi Tian

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

Although large vision-language models (LVLMs) have demonstrated impressive capabilities in multi-modal understanding and reasoning, their practical applications are still limited by massive model parameters and high computational costs.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Ji Ma , Wei Suo , Peng Wang , Yanning Zhang

Despite achieving remarkable performance on various vision-language tasks, Transformer-based Vision-Language Models (VLMs) suffer from redundancy in inputs and parameters, significantly hampering their efficiency in real-world applications.…

Computation and Language · Computer Science 2024-02-27 Zekun Wang , Jingchang Chen , Wangchunshu Zhou , Haichao Zhu , Jiafeng Liang , Liping Shan , Ming Liu , Dongliang Xu , Qing Yang , Bing Qin

We empirically investigate proper pre-training methods to build good visual tokenizers, making Large Language Models (LLMs) powerful Multimodal Large Language Models (MLLMs). In our benchmark, which is curated to evaluate MLLMs visual…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Guangzhi Wang , Yixiao Ge , Xiaohan Ding , Mohan Kankanhalli , Ying Shan

Vision-Language Models (VLMs) demand substantial computational resources during inference, largely due to the extensive visual input tokens for representing visual information. Previous studies have noted that visual tokens tend to receive…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Cheng Yang , Yang Sui , Jinqi Xiao , Lingyi Huang , Yu Gong , Chendi Li , Jinghua Yan , Yu Bai , Ponnuswamy Sadayappan , Xia Hu , Bo Yuan

Post-training quantization (PTQ) has emerged as a critical technique for efficient deployment of large language models (LLMs). This work proposes NestQuant, a novel PTQ scheme for weights and activations that is based on self-similar nested…

Machine Learning · Computer Science 2025-07-29 Semyon Savkin , Eitan Porat , Or Ordentlich , Yury Polyanskiy