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Accurate multi-organ segmentation in abdominal CT scans is essential for computer-aided diagnosis and treatment. While convolutional neural networks (CNNs) have long been the standard approach in medical image segmentation,…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Lukas Bayer , Sheethal Bhat , Andreas Maier

Segmentation of 3D medical images is a critical task for accurate diagnosis and treatment planning. Convolutional neural networks (CNNs) have dominated the field, achieving significant success in 3D medical image segmentation. However, CNNs…

图像与视频处理 · 电气工程与系统科学 2025-02-11 Canxuan Gang

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…

图像与视频处理 · 电气工程与系统科学 2024-12-09 Rong Zhou , Zhengqing Yuan , Zhiling Yan , Weixiang Sun , Kai Zhang , Yiwei Li , Yanfang Ye , Xiang Li , Lifang He , Lichao Sun

Background: The aim of this study was to develop and evaluate a deep learning-based automated segmentation method for hepatic anatomy (i.e., parenchyma, tumors, portal vein, hepatic vein and biliary tree) from the hepatobiliary phase of…

Abdominal fat quantification is critical since multiple vital organs are located within this region. Although computed tomography (CT) is a highly sensitive modality to segment body fat, it involves ionizing radiations which makes magnetic…

图像与视频处理 · 电气工程与系统科学 2020-05-13 Samira Masoudi , Syed M. Anwar , Stephanie A. Harmon , Peter L. Choyke , Baris Turkbey , Ulas Bagci

Automatic segmentation of anatomical structures with convolutional neural networks (CNNs) constitutes a large portion of research in medical image analysis. The majority of CNN-based methods rely on an abundance of labeled data for proper…

图像与视频处理 · 电气工程与系统科学 2020-03-20 Cheryl Sital , Tom Brosch , Dominique Tio , Alexander Raaijmakers , Jürgen Weese

Purpose: Accurate segmentation of clinical target volumes (CTV) and organs-at-risk is crucial for optimizing gynecologic brachytherapy (GYN-BT) treatment planning. However, anatomical variability, low soft-tissue contrast in CT imaging, and…

Multi-parametric MR images have been shown to be effective in the non-invasive diagnosis of prostate cancer. Automated segmentation of the prostate eliminates the need for manual annotation by a radiologist which is time consuming. This…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Lavanya Umapathy , Wyatt Unger , Faryal Shareef , Hina Arif , Diego Martin , Maria Altbach , Ali Bilgin

Segmentation of liver structures in multi-phase contrast-enhanced computed tomography (CECT) plays a crucial role in computer-aided diagnosis and treatment planning. In this study, we investigate the performance of UNet-based architectures…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Doan-Van-Anh Ly , Thanh-Hai Le , Thi-Thu-Hien Pham

Morphological analysis and identification of pathologies in the aorta are important for cardiovascular diagnosis and risk assessment in patients. Manual annotation is time-consuming and cumbersome in CT scans acquired without contrast…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Julia M. H. Noothout , Bob D. de Vos , Jelmer M. Wolterink , Ivana Isgum

Semantic image segmentation plays an important role in modeling patient-specific anatomy. We propose a convolution neural network, called Kid-Net, along with a training schema to segment kidney vessels: artery, vein and collecting system.…

计算机视觉与模式识别 · 计算机科学 2018-06-19 Ahmed Taha , Pechin Lo , Junning Li , Tao Zhao

In this paper we propose a fully automatic 2-stage cascaded approach for segmentation of liver and its tumors in CT (Computed Tomography) images using densely connected fully convolutional neural network (DenseNet). We independently train…

计算机视觉与模式识别 · 计算机科学 2018-02-08 Krishna Chaitanya Kaluva , Mahendra Khened , Avinash Kori , Ganapathy Krishnamurthi

It is well known that machine learning models require a high amount of annotated data to obtain optimal performance. Labelling Computed Tomography (CT) data can be a particularly challenging task due to its volumetric nature and often…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Franko Hrzic , Mohammadreza Movahhedi , Ophelie Lavoie-Gagne , Ata Kiapour

Due to the irregular motion, similar appearance and diverse shape, accurate segmentation of kidney tumor in CT images is a difficult and challenging task. To this end, we present a novel automatic segmentation method, termed as…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Qian Yu , Yinghuan Shi , Jinquan Sun , Yang Gao , Yakang Dai , Jianbing Zhu

In this study, we introduce a deep learning approach for segmenting kidney parenchyma and kidney abnormalities to support clinicians in identifying and quantifying renal abnormalities such as cysts, lesions, masses, metastases, and primary…

图像与视频处理 · 电气工程与系统科学 2023-09-08 Gabriel Efrain Humpire Mamani , Nikolas Lessmann , Ernst Th. Scholten , Mathias Prokop , Colin Jacobs , Bram van Ginneken

In this work we present a method of automatic segmentation of defective skulls for custom cranial implant design and 3D printing purposes. Since such tissue models are usually required in patient cases with complex anatomical defects and…

图像与视频处理 · 电气工程与系统科学 2020-11-05 Oldřich Kodym , Michal Španěl , Adam Herout

Accurate delineation of kidney tumours in Computed Tomography (CT) is essential for downstream quantitative analysis and precision oncology, but manual segmentation is a specialised task, time-consuming and difficult to scale. Automated 3D…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Saúl Alonso-Monsalve , Leigh H. Whitehead , Adam Aurisano , Lorena Escudero Sanchez

Automated segmentation of pathological regions of interest aids medical image diagnostics and follow-up care. However, accurate pathological segmentations require high quality of annotated data that can be both cost and time intensive to…

图像与视频处理 · 电气工程与系统科学 2022-04-14 Sohini Roychowdhury

Automatic segmentation of the liver and hepatic lesions is an important step towards deriving quantitative biomarkers for accurate clinical diagnosis and computer-aided decision support systems. This paper presents a method to automatically…

Artificial intelligence (AI) techniques for image-based segmentation have garnered much attention in recent years. Convolutional neural networks (CNNs) have shown impressive results and potential towards fully automated segmentation in…