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Image segmentation, the process of partitioning an image into meaningful regions, plays a pivotal role in computer vision and medical imaging applications. Unsupervised segmentation, particularly in the absence of labeled data, remains a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Kovvuri Sai Gopal Reddy , Bodduluri Saran , A. Mudit Adityaja , Saurabh J. Shigwan , Nitin Kumar

Recent studies have demonstrated the superior performance of introducing ``scan-wise" contrast labels into contrastive learning for multi-organ segmentation on multi-phase computed tomography (CT). However, such scan-wise labels are…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Ho Hin Lee , Yucheng Tang , Han Liu , Yubo Fan , Leon Y. Cai , Qi Yang , Xin Yu , Shunxing Bao , Yuankai Huo , Bennett A. Landman

Accurate brain lesion delineation is important for planning neurosurgical treatment. Automatic brain lesion segmentation methods based on convolutional neural networks have demonstrated remarkable performance. However, neural network…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Jiayu Huo , Sebastien Ourselin , Rachel Sparks

In autonomous Vehicles technology Image segmentation was a major problem in visual perception. This image segmentation process is mainly used in medical applications. Here we adopted an image segmentation process to visual perception tasks…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Tirumalapudi Raviteja , Rajay Vedaraj . I. S

Although supervised deep-learning has achieved promising performance in medical image segmentation, many methods cannot generalize well on unseen data, limiting their real-world applicability. To address this problem, we propose a deep…

Image and Video Processing · Electrical Eng. & Systems 2022-06-10 Shangqi Gao , Hangqi Zhou , Yibo Gao , Xiahai Zhuang

Abdominal organ segmentation has many important clinical applications, such as organ quantification, surgical planning, and disease diagnosis. However, manually annotating organs from CT scans is time-consuming and labor-intensive.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Wentao Liu , Weijin Xu , Songlin Yan , Lemeng Wang , Haoyuan Li , Huihua Yang

Deep learning models have demonstrated remarkable success in multi-organ segmentation but typically require large-scale datasets with all organs of interest annotated. However, medical image datasets are often low in sample size and only…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Han Liu , Zhoubing Xu , Riqiang Gao , Hao Li , Jianing Wang , Guillaume Chabin , Ipek Oguz , Sasa Grbic

The advancement of artificial intelligence (AI) for organ segmentation and tumor detection is propelled by the growing availability of computed tomography (CT) datasets with detailed, per-voxel annotations. However, these AI models often…

Image and Video Processing · Electrical Eng. & Systems 2024-05-29 Jie Liu , Yixiao Zhang , Kang Wang , Mehmet Can Yavuz , Xiaoxi Chen , Yixuan Yuan , Haoliang Li , Yang Yang , Alan Yuille , Yucheng Tang , Zongwei Zhou

Accurate medical image segmentation requires effective modeling of both long-range dependencies and fine-grained boundary details. While transformers mitigate the issue of insufficient semantic information arising from the limited receptive…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Yanxin Li , Hui Wan , Libin Lan

Introduction: The present study on the development and evaluation of an automated brain tumor segmentation technique based on deep learning using the 3D U-Net model. Objectives: The objective is to leverage state-of-the-art convolutional…

Image and Video Processing · Electrical Eng. & Systems 2024-04-10 Suman Sourabh , Murugappan Valliappan , Narayana Darapaneni , Anwesh R P

Automatic organ segmentation is an important prerequisite for many computer-aided diagnosis systems. The high anatomical variability of organs in the abdomen, such as the pancreas, prevents many segmentation methods from achieving high…

Computer Vision and Pattern Recognition · Computer Science 2015-09-17 Holger R. Roth , Amal Farag , Le Lu , Evrim B. Turkbey , Ronald M. Summers

Purpose: To apply a convolutional neural network (CNN) to develop a system that segments intensity calibration phantom regions in computed tomography (CT) images, and to test the system in a large cohort to evaluate its robustness. Methods:…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Keisuke Uemura , Yoshito Otake , Masaki Takao , Mazen Soufi , Akihiro Kawasaki , Nobuhiko Sugano , Yoshinobu Sato

Deep learning has led to state-of-the-art results for many medical imaging tasks, such as segmentation of different anatomical structures. With the increased numbers of deep learning publications and openly available code, the approach to…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Tom van Sonsbeek , Veronika Cheplygina

Accurate kinetic analysis of [$^{18}$F]FDG distribution in dynamic positron emission tomography (PET) requires anatomically constrained modelling of image-derived input functions (IDIFs). Traditionally, IDIFs are obtained from the aorta,…

Image and Video Processing · Electrical Eng. & Systems 2025-04-25 Valentin Langer , Kartikay Tehlan , Thomas Wendler

An improved model of medical image segmentation for brain tumor is discussed, which is a deep learning algorithm based on U-Net architecture. Based on the traditional U-Net, we introduce GSConv module and ECA attention mechanism to improve…

Image and Video Processing · Electrical Eng. & Systems 2024-09-23 Qiyuan Tian , Zhuoyue Wang , Xiaoling Cui

Biomedical image segmentation is crucial for accurately diagnosing and analyzing various diseases. However, Convolutional Neural Networks (CNNs) and Transformers, the most commonly used architectures for this task, struggle to effectively…

Image and Video Processing · Electrical Eng. & Systems 2024-12-09 Rong Zhou , Zhengqing Yuan , Zhiling Yan , Weixiang Sun , Kai Zhang , Yiwei Li , Yanfang Ye , Xiang Li , Lifang He , Lichao Sun

Convolutional neural networks (CNNs) are increasingly being used to automate segmentation of organs-at-risk in radiotherapy. Since large sets of highly curated data are scarce, we investigated how much data is required to train accurate and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Edward G. A. Henderson , Marcel van Herk , Eliana M. Vasquez Osorio

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

This paper assesses whether using clinical characteristics in addition to imaging can improve automated segmentation of kidney cancer on contrast-enhanced computed tomography (CT). A total of 300 kidney cancer patients with…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Christina B. Lund , Bas H. M. van der Velden

Recent advances in 3D fully convolutional networks (FCN) have made it feasible to produce dense voxel-wise predictions of full volumetric images. In this work, we show that a multi-class 3D FCN trained on manually labeled CT scans of seven…

Computer Vision and Pattern Recognition · Computer Science 2017-04-24 Holger R. Roth , Hirohisa Oda , Yuichiro Hayashi , Masahiro Oda , Natsuki Shimizu , Michitaka Fujiwara , Kazunari Misawa , Kensaku Mori
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