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Related papers: Fast SAM2 with Text-Driven Token Pruning

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Token pruning has emerged as a mainstream approach for developing efficient Video Large Language Models (Video LLMs). This work revisits and advances the two predominant token-pruning paradigms: attention-based selection and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Shukang Yin , Sirui Zhao , Hanchao Wang , Baozhi Jia , Xianquan Wang , Chaoyou Fu , Enhong Chen

Reference Audio-Visual Segmentation (Ref-AVS) aims to provide a pixel-wise scene understanding in Language-aided Audio-Visual Scenes (LAVS). This task requires the model to continuously segment objects referred to by text and audio from a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yuji Wang , Haoran Xu , Yong Liu , Jiaze Li , Yansong Tang

Visual token pruning aims to compress and prune redundant visual tokens which play a critical role in efficient inference with large vision-language models (LVLMs). However, most existing work estimates visual redundancy using a single…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Duo Li , Zuhao Yang , Xiaoqin Zhang , Ling Shao , Shijian Lu

For semantic segmentation, most existing real-time deep models trained with each frame independently may produce inconsistent results for a video sequence. Advanced methods take into considerations the correlations in the video sequence,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

3D teeth segmentation, involving the localization of tooth instances and their semantic categorization in 3D dental models, is a critical yet challenging task in digital dentistry due to the complexity of real-world dentition. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Zhiguo Lu , Jianwen Lou , Mingjun Ma , Hairong Jin , Youyi Zheng , Kun Zhou

Are low-attention visual tokens truly redundant in vision-language reasoning? Existing pruning methods often assume so, ranking visual tokens by shallow text-to-image attention and discarding low-scoring patches to accelerate LVLM…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Jie Ma , Yihang Liu , Zhike Qiu , Jiayi Ji , Xiaoshuai Sun

Promptable segmentation, introduced by the Segment Anything Model (SAM), is a promising approach for medical imaging, as it enables clinicians to guide and refine model predictions interactively. However, SAM's architecture is designed for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Théo Danielou , Daniel Tordjman , Pierre Manceron , Corentin Dancette

We introduce SAM2Point, a preliminary exploration adapting Segment Anything Model 2 (SAM 2) for zero-shot and promptable 3D segmentation. SAM2Point interprets any 3D data as a series of multi-directional videos, and leverages SAM 2 for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Ziyu Guo , Renrui Zhang , Xiangyang Zhu , Chengzhuo Tong , Peng Gao , Chunyuan Li , Pheng-Ann Heng

Attention is sparse in vision transformers. We observe the final prediction in vision transformers is only based on a subset of most informative tokens, which is sufficient for accurate image recognition. Based on this observation, we…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Yongming Rao , Wenliang Zhao , Benlin Liu , Jiwen Lu , Jie Zhou , Cho-Jui Hsieh

Vision Transformers (ViTs) achieve state-of-the-art performance in semantic segmentation but are hindered by high computational and memory costs. To address this, we propose STEP (SuperToken and Early-Pruning), a hybrid token-reduction…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Michal Szczepanski , Martyna Poreba , Karim Haroun

Large vision-language models (VLMs) typically process hundreds or thousands of visual tokens per image or video frame, incurring quadratic attention cost and substantial redundancy. Existing token reduction methods often ignore the textual…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Kaitong Cai , Jusheng Zhang , Jing Yang , Yijia Fan , Pengtao Xie , Jian Wang , Keze Wang

The Segment Anything Model (SAM) marks a notable milestone in segmentation models, highlighted by its robust zero-shot capabilities and ability to handle diverse prompts. SAM follows a pipeline that separates interactive segmentation into…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 You Huang , Zongyu Lan , Liujuan Cao , Xianming Lin , Shengchuan Zhang , Guannan Jiang , Rongrong Ji

Segment Anything Model (SAM) has attracted widespread attention for its superior interactive segmentation capabilities with visual prompts while lacking further exploration of text prompts. In this paper, we empirically investigate what…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Yuxuan Zhang , Tianheng Cheng , Lianghui Zhu , Rui Hu , Lei Liu , Heng Liu , Longjin Ran , Xiaoxin Chen , Wenyu Liu , Xinggang Wang

Video object segmentation (VOS) is a critical task in the development of video perception and understanding. The Segment-Anything Model 2 (SAM 2), released by Meta AI, is the current state-of-the-art architecture for end-to-end VOS. SAM 2…

Image and Video Processing · Electrical Eng. & Systems 2025-05-14 Clayton Bromley , Alexander Moore , Amar Saini , Doug Poland , Carmen Carrano

Semantic segmentation is a core computer vision problem, but the high costs of data annotation have hindered its wide application. Weakly-Supervised Semantic Segmentation (WSSS) offers a cost-efficient workaround to extensive labeling in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Elham Ravanbakhsh , Cheng Niu , Yongqing Liang , J. Ramanujam , Xin Li

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

The Segment Anything Model (SAM) is a powerful vision foundation model that is revolutionizing the traditional paradigm of segmentation. Despite this, a reliance on prompting each frame and large computational cost limit its usage in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Zijian Wu , Adam Schmidt , Peter Kazanzides , Septimiu E. Salcudean

The Segment Anything Model (SAM) represents a state-of-the-art research advancement in natural image segmentation, achieving impressive results with input prompts such as points and bounding boxes. However, our evaluation and recent…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Junlong Cheng , Jin Ye , Zhongying Deng , Jianpin Chen , Tianbin Li , Haoyu Wang , Yanzhou Su , Ziyan Huang , Jilong Chen , Lei Jiang , Hui Sun , Junjun He , Shaoting Zhang , Min Zhu , Yu Qiao

Vision-Language Models (VLMs) face a bottleneck of prohibitive computational costs arising from massive visual token sequences during inference. Existing vision token reduction methods alleviate this burden, but they unintentionally…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yulin Zhao , Yun Wang , Dehua Zheng , Borui jiang , Zheng Zhang

The emerging scale segmentation model, Segment Anything (SAM), exhibits impressive capabilities in zero-shot segmentation for natural images. However, when applied to medical images, SAM suffers from noticeable performance drop. To make SAM…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Xinrong Hu , Xiaowei Xu , Yiyu Shi