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Training segmentation models for medical images continues to be challenging due to the limited availability of data annotations. Segment Anything Model (SAM) is a foundation model that is intended to segment user-defined objects of interest…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Maciej A. Mazurowski , Haoyu Dong , Hanxue Gu , Jichen Yang , Nicholas Konz , Yixin Zhang

The advent of foundation models signals a new era in artificial intelligence. The Segment Anything Model (SAM) is the first foundation model for image segmentation. In this study, we evaluate SAM's ability to segment features from eye…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Virmarie Maquiling , Sean Anthony Byrne , Diederick C. Niehorster , Marcus Nyström , Enkelejda Kasneci

Video Object Segmentation and Tracking (VOST) presents a complex yet critical challenge in computer vision, requiring robust integration of segmentation and tracking across temporally dynamic frames. Traditional methods have struggled with…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Guoping Xu , Jayaram K. Udupa , Yajun Yu , Hua-Chieh Shao , Songlin Zhao , Wei Liu , You Zhang

Automatic surgical instrument segmentation of endoscopic images is a crucial building block of many computer-assistance applications for minimally invasive surgery. So far, state-of-the-art approaches completely rely on the availability of…

Computer Vision and Pattern Recognition · Computer Science 2022-02-17 Luca Sestini , Benoit Rosa , Elena De Momi , Giancarlo Ferrigno , Nicolas Padoy

The precise tracking and segmentation of surgical instruments have led to a remarkable enhancement in the efficiency of surgical procedures. However, the challenge lies in achieving accurate segmentation of surgical instruments while…

Image and Video Processing · Electrical Eng. & Systems 2024-08-09 Jieming Yu , Long Bai , Guankun Wang , An Wang , Xiaoxiao Yang , Huxin Gao , Hongliang Ren

Foundational models such as the Segment Anything Model (SAM) are gaining traction in medical imaging segmentation, supporting multiple downstream tasks. However, such models are supervised in nature, still relying on large annotated…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Aishik Konwer , Zhijian Yang , Erhan Bas , Cao Xiao , Prateek Prasanna , Parminder Bhatia , Taha Kass-Hout

Segment Anything Model (SAM) is one of the pioneering prompt-based foundation models for image segmentation and has been rapidly adopted for various medical imaging applications. However, in clinical settings, creating effective prompts is…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Chengyin Li , Prashant Khanduri , Yao Qiang , Rafi Ibn Sultan , Indrin Chetty , Dongxiao Zhu

Referring video object segmentation (RVOS) aims to segment the target instance in a video, referred by a text expression. Conventional approaches are mostly supervised learning, requiring expensive pixel-level mask annotations. To tackle…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Miaojing Shi , Jun Huang , Zijie Yue , Hanli Wang

The segment anything model (SAM) was released as a foundation model for image segmentation. The promptable segmentation model was trained by over 1 billion masks on 11M licensed and privacy-respecting images. The model supports zero-shot…

Embodied tasks require the agent to fully understand 3D scenes simultaneously with its exploration, so an online, real-time, fine-grained and highly-generalized 3D perception model is desperately needed. Since high-quality 3D data is…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Xiuwei Xu , Huangxing Chen , Linqing Zhao , Ziwei Wang , Jie Zhou , Jiwen Lu

The Segment Anything Model (SAM) is a powerful foundation model for image segmentation, showing robust zero-shot generalization through prompt engineering. However, relying on manual prompts is impractical for real-world applications,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Yi Chen , Mu-Young Son , Chuanbo Hua , Joo-Young Kim

Self-supervised Object Segmentation (SOS) aims to segment objects without any annotations. Under conditions of multi-camera inputs, the structural, textural and geometrical consistency among each view can be leveraged to achieve…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Xiaoyun Zheng , Liwei Liao , Jianbo Jiao , Feng Gao , Ronggang Wang

Segmentation models such as Segment Anything Model (SAM) and SAM2 achieve strong prompt-driven zero-shot performance. However, their training on natural images limits domain transfer to medical data. Consequently, accurate segmentation…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Tal Grossman , Noa Cahan , Lev Ayzenberg , Hayit Greenspan

Segment Anything Model 2 (SAM2) has emerged as a strong base model in various pinhole imaging segmentation tasks. However, when applying it to $360^\circ$ domain, the significant field-of-view (FoV) gap between pinhole ($70^\circ \times…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Ding Zhong , Xu Zheng , Chenfei Liao , Yuanhuiyi Lyu , Jialei Chen , Shengyang Wu , Linfeng Zhang , Xuming Hu

In this paper, we propose a novel Visual Reference Prompt (VRP) encoder that empowers the Segment Anything Model (SAM) to utilize annotated reference images as prompts for segmentation, creating the VRP-SAM model. In essence, VRP-SAM can…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yanpeng Sun , Jiahui Chen , Shan Zhang , Xinyu Zhang , Xiaofan Li , Qiang Chen , Gang Zhang , Errui Ding , Jingdong Wang , Zechao Li

Existing approaches to unsupervised video instance segmentation typically rely on motion estimates and experience difficulties tracking small or divergent motions. We present VideoCutLER, a simple method for unsupervised multi-instance…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Xudong Wang , Ishan Misra , Ziyun Zeng , Rohit Girdhar , Trevor Darrell

We propose a simple, yet powerful approach for unsupervised object segmentation in videos. We introduce an objective function whose minimum represents the mask of the main salient object over the input sequence. It only relies on…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Georgy Ponimatkin , Nermin Samet , Yang Xiao , Yuming Du , Renaud Marlet , Vincent Lepetit

Contemporary Video Object Segmentation (VOS) approaches typically consist stages of feature extraction, matching, memory management, and multiple objects aggregation. Recent advanced models either employ a discrete modeling for these…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Wanyun Li , Pinxue Guo , Xinyu Zhou , Lingyi Hong , Yangji He , Xiangyu Zheng , Wei Zhang , Wenqiang Zhang

In this paper, we propose a weakly supervised semantic segmentation approach for food images which takes advantage of the zero-shot capabilities and promptability of the Segment Anything Model (SAM) along with the attention mechanisms of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Ioannis Sarafis , Alexandros Papadopoulos , Anastasios Delopoulos

Unsupervised video object segmentation (VOS) aims to detect the most salient object in a video sequence at the pixel level. In unsupervised VOS, most state-of-the-art methods leverage motion cues obtained from optical flow maps in addition…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Suhwan Cho , Minhyeok Lee , Seunghoon Lee , Chaewon Park , Donghyeong Kim , Sangyoun Lee