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Related papers: SAM-OCTA: Prompting Segment-Anything for OCTA Imag…

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Segment anything model (SAM) demonstrates strong generalization ability on natural image segmentation. However, its direct adaptation in medical image segmentation tasks shows significant performance drops. It also requires an excessive…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Heng Guo , Jianfeng Zhang , Jiaxing Huang , Tony C. W. Mok , Dazhou Guo , Ke Yan , Le Lu , Dakai Jin , Minfeng Xu

Nucleus instance segmentation in histology images is crucial for a broad spectrum of clinical applications. Current dominant algorithms rely on regression of nuclear proxy maps. Distinguishing nucleus instances from the estimated maps…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Zhongyi Shui , Yunlong Zhang , Kai Yao , Chenglu Zhu , Sunyi Zheng , Jingxiong Li , Honglin Li , Yuxuan Sun , Ruizhe Guo , Lin Yang

The lack of efficient segmentation methods and fully-labeled datasets limits the comprehensive assessment of optical coherence tomography angiography (OCTA) microstructures like retinal vessel network (RVN) and foveal avascular zone (FAZ),…

Image and Video Processing · Electrical Eng. & Systems 2026-02-04 Peng Xiao , Xiaodong Hu , Ke Ma , Gengyuan Wang , Ziqing Feng , Yuancong Huang , Jin Yuan

Optical coherence tomography angiography (OCTA) has drawn numerous attentions in ophthalmology. However, its data acquisition is time-consuming, because it is based on temporal-decorrelation principle thus requires multiple repeated…

Medical Physics · Physics 2019-10-15 Jianlong Yang , Peng Liu , Lixin Duan , Yan Hu , Jiang Liu

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

Recent advancements in large foundation models have shown promising potential in the medical industry due to their flexible prompting capability. One such model, the Segment Anything Model (SAM), a prompt-driven segmentation model, has…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Qi Wu , Yuyao Zhang , Marawan Elbatel

Automated detection of retinal structures, such as retinal vessels (RV), the foveal avascular zone (FAZ), and retinal vascular junctions (RVJ), are of great importance for understanding diseases of the eye and clinical decision-making. In…

Image and Video Processing · Electrical Eng. & Systems 2022-08-24 Jinkui Hao , Ting Shen , Xueli Zhu , Yonghuai Liu , Ardhendu Behera , Dan Zhang , Bang Chen , Jiang Liu , Jiong Zhang , Yitian Zhao

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

Optical Coherence Tomography Angiography (OCTA) and its derived en-face projections provide high-resolution visualization of the retinal and choroidal vasculature, which is critical for the rapid and accurate diagnosis of retinal diseases.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Pooya Khosravi , Kun Han , Anthony T. Wu , Arghavan Rezvani , Zexin Feng , Xiaohui Xie

In clinical procedures, precise localization of the target area is an essential step for clinical diagnosis and screening. For many diagnostic applications, lung segmentation of chest X-ray images is an essential first step that…

Image and Video Processing · Electrical Eng. & Systems 2024-10-10 Mohamed Deriche , Mohammad Marufur

Leveraging the Segment Anything Model (SAM) for medical image segmentation remains challenging due to its limited adaptability across diverse medical domains. Although fine-tuned variants, such as MedSAM, improve performance in scenarios…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Jianghao Wu , Yicheng Wu , Yutong Xie , Wenjia Bai , You Zhang , Feilong Tang , Yulong Li , Imran Razzak , Daniel F Schmidt , Yasmeen George

Despite significant advances in artificial intelligence (AI) for computer vision, its application in medical imaging has been limited by the burden and limits of expert-generated labels. We used images from optical coherence tomography…

Computer Vision and Pattern Recognition · Computer Science 2018-02-27 Cecilia S. Lee , Ariel J. Tyring , Yue Wu , Sa Xiao , Ariel S. Rokem , Nicolaas P. Deruyter , Qinqin Zhang , Adnan Tufail , Ruikang K. Wang , Aaron Y. Lee

Accurate cerebrovascular segmentation from Magnetic Resonance Angiography (MRA) and Computed Tomography Angiography (CTA) is of great significance in diagnosis and treatment of cerebrovascular pathology. Due to the complexity and topology…

Image and Video Processing · Electrical Eng. & Systems 2024-11-22 Zhanqiang Guo , Yao Luan , Jianjiang Feng , Wangsheng Lu , Yin Yin , Guangming Yang , Jie Zhou

Coronary artery segmentation on coronary-computed tomography angiography (CCTA) images is crucial for clinical use. Due to the expertise-required and labor-intensive annotation process, there is a growing demand for the relevant…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Zheng Zhang , Xiaolei Zhang , Yaolei Qi , Guanyu Yang

The Segment Anything Model (SAM) has recently emerged as a significant breakthrough in foundation models, demonstrating remarkable zero-shot performance in object segmentation tasks. While SAM is designed for generalization, it exhibits…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Josh Stein , Maxime Di Folco , Julia A. Schnabel

Background: Computed Tomography Angiography (CTA) is crucial for cerebrovascular disease diagnosis. Dynamic CTA is a type of imaging that captures temporal information about the We aim to develop and evaluate two segmentation techniques to…

Medical Physics · Physics 2025-02-17 Shrikanth Yadav , Jisoo Kim , Geoffrey Young , Lei Qin

Leveraging the extensive training data from SA-1B, the Segment Anything Model (SAM) demonstrates remarkable generalization and zero-shot capabilities. However, as a category-agnostic instance segmentation method, SAM heavily relies on prior…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Keyan Chen , Chenyang Liu , Hao Chen , Haotian Zhang , Wenyuan Li , Zhengxia Zou , Zhenwei Shi

Quantification of intra-retinal boundaries in optical coherence tomography (OCT) is a crucial task for studying and diagnosing neurological and ocular diseases. Since manual segmentation of layers is usually a time consuming task and relay…

Computer Vision and Pattern Recognition · Computer Science 2015-02-17 Mahdi Salarian

Handheld Optical Coherence Tomography Angiography (OCTA) enables noninvasive retinal imaging in uncooperative or pediatric subjects, but is highly susceptible to motion artifacts that severely degrade volumetric image quality. Sudden motion…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Nick DiSanto , Ehsan Khodapanah Aghdam , Han Liu , Jacob Watson , Yuankai K. Tao , Hao Li , Ipek Oguz

The Segment Anything Model (SAM) has exhibited outstanding performance in various image segmentation tasks. Despite being trained with over a billion masks, SAM faces challenges in mask prediction quality in numerous scenarios, especially…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Zhaozhi Xie , Bochen Guan , Weihao Jiang , Muyang Yi , Yue Ding , Hongtao Lu , Lei Zhang