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Transformers have become the primary backbone of the computer vision community due to their impressive performance. However, the unfriendly computation cost impedes their potential in the video recognition domain. To optimize the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Shuangrui Ding , Peisen Zhao , Xiaopeng Zhang , Rui Qian , Hongkai Xiong , Qi Tian

The goal of Audio-Visual Segmentation (AVS) is to localize and segment the sounding source objects from video frames. Research on AVS suffers from data scarcity due to the high cost of fine-grained manual annotations. Recent works attempt…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Kyungbok Lee , You Zhang , Zhiyao Duan

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

This paper investigates the fundamental discontinuity between the latest two Segment Anything Models: SAM2 and SAM3. We explain why the expertise in prompt-based segmentation of SAM2 does not transfer to the multimodal concept-driven…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Ranjan Sapkota , Konstantinos I. Roumeliotis , Manoj Karkee

Vision-language models (VLMs) have recently expanded from static image understanding to video reasoning, but their scalability is fundamentally limited by the quadratic cost of processing dense frame sequences. Long videos often exceed the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Natan Bagrov , Eugene Khvedchenia , Borys Tymchenko , Shay Aharon , Lior Kadoch , Tomer Keren , Ofri Masad , Yonatan Geifman , Ran Zilberstein , Tuomas Rintamaki , Matthieu Le , Andrew Tao

As the successor to the Segment Anything Model (SAM), the Segment Anything Model 2 (SAM2) not only improves performance in image segmentation but also extends its capabilities to video segmentation. However, its effectiveness in segmenting…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Leiping Jie

The Segment Anything Model (SAM), introduced by Meta AI Research as a generic object segmentation model, quickly garnered widespread attention and significantly influenced the academic community. To extend its application to video, Meta…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Lv Tang , Bo Li

In this paper, we propose an Audio-Language-Referenced SAM 2 (AL-Ref-SAM 2) pipeline to explore the training-free paradigm for audio and language-referenced video object segmentation, namely AVS and RVOS tasks. The intuitive solution…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Shaofei Huang , Rui Ling , Hongyu Li , Tianrui Hui , Zongheng Tang , Xiaoming Wei , Jizhong Han , Si Liu

In this paper, we present a new approach for model acceleration by exploiting spatial sparsity in visual data. We observe that the final prediction in vision Transformers is only based on a subset of the most informative tokens, which is…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Yongming Rao , Zuyan Liu , Wenliang Zhao , Jie Zhou , Jiwen Lu

Multi-organ medical segmentation is a crucial component of medical image processing, essential for doctors to make accurate diagnoses and develop effective treatment plans. Despite significant progress in this field, current multi-organ…

Image and Video Processing · Electrical Eng. & Systems 2025-07-15 Xinlei Yu , Changmiao Wang , Hui Jin , Ahmed Elazab , Gangyong Jia , Xiang Wan , Changqing Zou , Ruiquan Ge

The Segment Anything Model 2 (SAM2), a prompt-guided video foundation model, has remarkably performed in video object segmentation, drawing significant attention in the community. Due to the high similarity between camouflaged objects and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Xin Zhang , Keren Fu , Qijun Zhao

As a prominent parameter-efficient fine-tuning technique in NLP, prompt tuning is being explored its potential in computer vision. Typical methods for visual prompt tuning follow the sequential modeling paradigm stemming from NLP, which…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Wenjie Pei , Tongqi Xia , Fanglin Chen , Jinsong Li , Jiandong Tian , Guangming Lu

Recent advances in medical image segmentation have been driven by deep learning; however, most existing methods remain limited by modality-specific designs and exhibit poor adaptability to dynamic medical imaging scenarios. The Segment…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Guoping Xu , Christopher Kabat , You Zhang

Recent studies reveal the vulnerability of the image segmentation foundation model SAM to adversarial examples. Its successor, SAM2, has attracted significant attention due to its strong generalization capability in video segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Ziqi Zhou , Yifan Hu , Yufei Song , Zijing Li , Shengshan Hu , Leo Yu Zhang , Dezhong Yao , Long Zheng , Hai Jin

Segmented light field images can serve as a powerful representation in many of computer vision tasks exploiting geometry and appearance of objects, such as object pose tracking. In the light field domain, segmentation presents an additional…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Nikolai Goncharov , Donald G. Dansereau

Imitation learning for robotic grasping is often plagued by the multimodal problem: when a scene contains multiple valid targets, demonstrations of grasping different objects create conflicting training signals. Standard imitation learning…

Image-text models excel at image-level tasks but struggle with detailed visual understanding. While these models provide strong visual-language alignment, segmentation models like SAM2 offer precise spatial boundaries for objects. To this…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Yao Xiao , Qiqian Fu , Heyi Tao , Yuqun Wu , Zhen Zhu , Derek Hoiem

Image segmentation plays an important role in vision understanding. Recently, the emerging vision foundation models continuously achieved superior performance on various tasks. Following such success, in this paper, we prove that the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Xinyu Xiong , Zihuang Wu , Shuangyi Tan , Wenxue Li , Feilong Tang , Ying Chen , Siying Li , Jie Ma , Guanbin Li

Vision-Language Models (VLMs) lag behind Large Language Models due to the scarcity of annotated datasets, as creating paired visual-textual annotations is labor-intensive and expensive. To address this bottleneck, we introduce SAM2Auto, the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Arash Rocky , Q. M. Jonathan Wu

Medical image segmentation plays a pivotal role in clinical diagnostics and treatment planning, yet existing models often face challenges in generalization and in handling both 2D and 3D data uniformly. In this paper, we introduce Medical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Jiayuan Zhu , Abdullah Hamdi , Yunli Qi , Yueming Jin , Junde Wu