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In Vision Language Models (VLMs), vision tokens are quantity-heavy yet information-dispersed compared with language tokens, thus consume too much unnecessary computation. Pruning redundant vision tokens for high VLM inference efficiency has…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Guangyuan Li , Rongzhen Zhao , Jinhong Deng , Yanbo Wang , Joni Pajarinen

Pre-trained vision-language (V-L) models such as CLIP have shown excellent generalization ability to downstream tasks. However, they are sensitive to the choice of input text prompts and require careful selection of prompt templates to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Muhammad Uzair Khattak , Hanoona Rasheed , Muhammad Maaz , Salman Khan , Fahad Shahbaz Khan

Pruning is a common technique to reduce the compute and storage requirements of Neural Networks. While conventional approaches typically retrain the model to recover pruning-induced performance degradation, state-of-the-art Large Language…

Machine Learning · Computer Science 2025-10-16 Christophe Roux , Max Zimmer , Alexandre d'Aspremont , Sebastian Pokutta

Large language models (LLMs) achieve remarkable performance across tasks but incur substantial computational costs due to their deep, multi-layered architectures. Layer pruning has emerged as a strategy to alleviate these inefficiencies,…

Computation and Language · Computer Science 2025-06-05 Anhao Zhao , Fanghua Ye , Yingqi Fan , Junlong Tong , Zhiwei Fei , Hui Su , Xiaoyu Shen

Non-uniform structured network pruning methods can effectively reduce Large Language Model (LLM) size by eliminating redundant channels or layers, offering lower performance degradation than uniform strategies. However, existing non-uniform…

Machine Learning · Computer Science 2025-08-07 Zuxin Ma , Yunhe Cui , Yongbin Qin

Deep learning approaches have provided state-of-the-art performance in many applications by relying on large and overparameterized neural networks. However, such networks have been shown to be very brittle and are difficult to deploy on…

Human-Computer Interaction · Computer Science 2023-10-26 Zhimin Li , Shusen Liu , Xin Yu , Kailkhura Bhavya , Jie Cao , Diffenderfer James Daniel , Peer-Timo Bremer , Valerio Pascucci

Real-world data contains a vast amount of multimodal information, among which vision and language are the two most representative modalities. Moreover, increasingly heavier models, \textit{e}.\textit{g}., Transformers, have attracted the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Dachuan Shi , Chaofan Tao , Ying Jin , Zhendong Yang , Chun Yuan , Jiaqi Wang

N:M structured pruning is essential for large language models (LLMs) because it can remove less important network weights and reduce the memory and computation requirements. Existing pruning methods mainly focus on designing metrics to…

Computation and Language · Computer Science 2025-03-17 Chi Xu , Gefei Zhang , Yantong Zhu , Luca Benini , Guosheng Hu , Yawei Li , Zhihong Zhang

Large Multimodal Models (LMMs) have emerged as powerful models capable of understanding various data modalities, including text, images, and videos. LMMs encode both text and visual data into tokens that are then combined and processed by…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Saeed Ranjbar Alvar , Gursimran Singh , Mohammad Akbari , Yong Zhang

Despite the excellent performance of vision-language pre-trained models (VLPs) on conventional VQA task, they still suffer from two problems: First, VLPs tend to rely on language biases in datasets and fail to generalize to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Qingyi Si , Yuanxin Liu , Zheng Lin , Peng Fu , Weiping Wang

Large Vision-Language Models (LVLMs) suffer from prohibitive inference costs due to the massive number of visual tokens processed by the language decoder. Existing pruning methods often lead to significant performance degradation because…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Jianwei Zhang , Chaoning Zhang , Sihan Cao , Wang Liu , Pengcheng Zheng , Jiaxin Huang , Caiyan Qin , Yalan Ye , Wei Dong , Yang Yang

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

Pruning is a typical acceleration technique for compute-bound models by removing computation on unimportant values. Recently, it has been applied to accelerate Vision-Language-Action (VLA) model inference. However, existing acceleration…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Hanzhen Wang , Jiaming Xu , Yushun Xiang , Jiayi Pan , Yongkang Zhou , Yong-Lu Li , Guohao Dai

Structured pruning is one of the representative techniques for compressing large language models (LLMs) to reduce GPU memory consumption and accelerate inference speed. It offers significant practical value in improving the efficiency of…

Computation and Language · Computer Science 2025-08-08 Yiheng Liu , Junhao Ning , Sichen Xia , Xiaohui Gao , Ning Qiang , Bao Ge , Junwei Han , Xintao Hu

Pruning is an effective method to reduce the memory footprint and computational cost associated with large natural language processing models. However, current pruning algorithms either only focus on one pruning category, e.g., structured…

Computation and Language · Computer Science 2022-05-24 Zhewei Yao , Xiaoxia Wu , Linjian Ma , Sheng Shen , Kurt Keutzer , Michael W. Mahoney , Yuxiong He

Existing methods for vision-language task planning excel in short-horizon tasks but often fall short in complex, long-horizon planning within dynamic environments. These challenges primarily arise from the difficulty of effectively training…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Xiwen Liang , Min Lin , Weiqi Ruan , Rongtao Xu , Yuecheng Liu , Jiaqi Chen , Bingqian Lin , Yuzheng Zhuang , Xiaodan Liang

Large Language Models (LLMs) have achieved remarkable success in various natural language processing tasks, including language modeling, understanding, and generation. However, the increased memory and computational costs associated with…

Computation and Language · Computer Science 2024-11-05 Shangqian Gao , Chi-Heng Lin , Ting Hua , Tang Zheng , Yilin Shen , Hongxia Jin , Yen-Chang Hsu

Despite the recent advancements of vision-language-action (VLA) models on a variety of robotics tasks, they suffer from critical issues such as poor generalizability to unseen tasks, due to their reliance on behavior cloning exclusively…

Robotics · Computer Science 2025-02-05 Zijian Zhang , Kaiyuan Zheng , Zhaorun Chen , Joel Jang , Yi Li , Siwei Han , Chaoqi Wang , Mingyu Ding , Dieter Fox , Huaxiu Yao

The success of Direct Preference Optimization (DPO) in mitigating hallucinations in Vision Language Models (VLMs) critically hinges on the true reward gaps within preference pairs. However, current methods, typically relying on ranking or…

Computation and Language · Computer Science 2025-11-25 Lehan He , Zeren Chen , Zhelun Shi , Tianyu Yu , Jing Shao , Lu Sheng

Recent progress in Multimodal Large Language Models(MLLMs) often use large image tokens to compensate the visual shortcoming of MLLMs, which not only exhibits obvious redundancy but also greatly exacerbates the already high computation.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Weihao Ye , Qiong Wu , Wenhao Lin , Yiyi Zhou