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Accurate localization of organ boundaries is critical in medical imaging for segmentation, registration, surgical planning, and radiotherapy. While deep convolutional networks (ConvNets) have advanced general-purpose edge detection to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Aarav Mehta , Priya Deshmukh , Vikram Singh , Siddharth Malhotra , Krishnan Menon Iyer , Tanvi Iyer

Accurately segmenting different organs from medical images is a critical prerequisite for computer-assisted diagnosis and intervention planning. This study proposes a deep learning-based approach for segmenting various organs from CT and…

In clinical practice, regions of interest in medical imaging often need to be identified through a process of precise image segmentation. The quality of this image segmentation step critically affects the subsequent clinical assessment of…

Image and Video Processing · Electrical Eng. & Systems 2021-03-23 João B. S. Carvalho , João A. Santinha , Đorđe Miladinović , Joachim M. Buhmann

Automated detection and segmentation of surgical devices, such as catheters or wires, in X-ray fluoroscopic images have the potential to enhance image guidance in minimally invasive heart surgeries. In this paper, we present a convolutional…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Lin Xi , Yingliang Ma , Ethan Koland , Sandra Howell , Aldo Rinaldi , Kawal S. Rhode

Surgical scene segmentation is a fundamental task for robotic-assisted laparoscopic surgery understanding. It often contains various anatomical structures and surgical instruments, where similar local textures and fine-grained structures…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Cheng Yuan , Yutong Ban

This study introduces a novel unsupervised medical image feature extraction method that employs spatial stratification techniques. An objective function based on weight is proposed to achieve the purpose of fast image recognition. The…

Image and Video Processing · Electrical Eng. & Systems 2024-06-28 Qishi Zhan , Dan Sun , Erdi Gao , Yuhan Ma , Yaxin Liang , Haowei Yang

Among the research efforts to segment the retinal vasculature from fundus images, deep learning models consistently achieve superior performance. However, this data-driven approach is very sensitive to domain shifts. For fundus images, such…

Image and Video Processing · Electrical Eng. & Systems 2023-07-04 Dewei Hu , Xing Yao , Jiacheng Wang , Yuankai K. Tao , Ipek Oguz

Optical Coherence Tomography Angiography (OCTA) is a crucial imaging technique for visualizing retinal vasculature and diagnosing eye diseases such as diabetic retinopathy and glaucoma. However, precise segmentation of OCTA vasculature…

Image and Video Processing · Electrical Eng. & Systems 2025-01-03 Shun Zou , Zhuo Zhang , Guangwei Gao

Direct automatic segmentation of objects from 3D medical imaging, such as magnetic resonance (MR) imaging, is challenging as it often involves accurately identifying a number of individual objects with complex geometries within a large…

Image and Video Processing · Electrical Eng. & Systems 2021-09-23 Wei Dai , Boyeong Woo , Siyu Liu , Matthew Marques , Craig B. Engstrom , Peter B. Greer , Stuart Crozier , Jason A. Dowling , Shekhar S. Chandra

Liver cancer is one of the most common malignant diseases in the world. Segmentation and labeling of liver tumors and blood vessels in CT images can provide convenience for doctors in liver tumor diagnosis and surgical intervention. In the…

Image and Video Processing · Electrical Eng. & Systems 2022-03-01 Xiangyu Meng , Xudong Zhang , Gan Wang , Ying Zhang , Xin Shi , Huanhuan Dai , Zixuan Wang , Xun Wang

Medical image segmentation is a critical task that plays a vital role in diagnosis, treatment planning, and disease monitoring. Accurate segmentation of anatomical structures and abnormalities from medical images can aid in the early…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Reza Azad , Amirhossein Kazerouni , Alaa Sulaiman , Afshin Bozorgpour , Ehsan Khodapanah Aghdam , Abin Jose , Dorit Merhof

Accurate, real-time segmentation of vessel structures in ultrasound image sequences can aid in the measurement of lumen diameters and assessment of vascular diseases. This, however, remains a challenging task, particularly for extremely…

Image and Video Processing · Electrical Eng. & Systems 2021-11-05 Baichuan Jiang , Alvin Chen , Shyam Bharat , Mingxin Zheng

Since the advent of U-Net, fully convolutional deep neural networks and its many variants have completely changed the modern landscape of deep learning based medical image segmentation. However, the over dependence of these methods on pixel…

Image and Video Processing · Electrical Eng. & Systems 2021-01-20 Simon Bohlender , Ilkay Oksuz , Anirban Mukhopadhyay

Image segmentation is a complex mathematical problem, especially for images that contain intensity inhomogeneity and tightly packed objects with missing boundaries in between. For instance, Magnetic Resonance (MR) muscle images often…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Paramjyoti Mohapatra , Richard Lartey , Weihong Guo , Michael Judkovich , Xiaojuan Li

Cardiac segmentation of atriums, ventricles, and myocardium in computed tomography (CT) images is an important first-line task for presymptomatic cardiovascular disease diagnosis. In several recent studies, deep learning models have shown…

Image and Video Processing · Electrical Eng. & Systems 2024-10-01 Sanguk Park , Minyoung Chung

Magnetic Resonance Imaging (MRI) is the most commonly used non-intrusive technique for medical image acquisition. Brain tumor segmentation is the process of algorithmically identifying tumors in brain MRI scans. While many approaches have…

Image and Video Processing · Electrical Eng. & Systems 2022-11-04 Jason Walsh , Alice Othmani , Mayank Jain , Soumyabrata Dev

Deep learning approaches have achieved state-of-the-art performance in cardiac magnetic resonance (CMR) image segmentation. However, most approaches have focused on learning image intensity features for segmentation, whereas the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Jinming Duan , Ghalib Bello , Jo Schlemper , Wenjia Bai , Timothy J W Dawes , Carlo Biffi , Antonio de Marvao , Georgia Doumou , Declan P O'Regan , Daniel Rueckert

Although Digital Subtraction Angiography (DSA) is the most important imaging for visualizing cerebrovascular anatomy, its interpretation by clinicians remains difficult. This is particularly true when treating arteriovenous malformations…

Image and Video Processing · Electrical Eng. & Systems 2024-02-16 Kathleen Baur , Xin Xiong , Erickson Torio , Rose Du , Parikshit Juvekar , Reuben Dorent , Alexandra Golby , Sarah Frisken , Nazim Haouchine

The objective of this study is the segmentation of the intima-media complex of the common carotid artery, on longitudinal ultrasound images, to measure its thickness. We propose a fully automatic region-based segmentation method, involving…

Image and Video Processing · Electrical Eng. & Systems 2022-01-31 Nolann Lainé , Guillaume Zahnd , Herv é Liebgott , Maciej Orkisz

Retinal vessel segmentation is a fundamental step in screening, diagnosis, and treatment of various cardiovascular and ophthalmic diseases. Robustness is one of the most critical requirements for practical utilization, since the test images…

Image and Video Processing · Electrical Eng. & Systems 2021-09-29 Xu Sun , Huihui Fang , Yehui Yang , Dongwei Zhu , Lei Wang , Junwei Liu , Yanwu Xu