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Segmentation of the Left ventricle (LV) is a crucial step for quantitative measurements such as area, volume, and ejection fraction. However, the automatic LV segmentation in 2D echocardiographic images is a challenging task due to…

图像与视频处理 · 电气工程与系统科学 2019-12-24 Shakiba Moradi , Mostafa Ghelich-Oghli , Azin Alizadehasl , Isaac Shiri , Niki Oveisi , Mehrdad Oveisi , Majid Maleki , Jan Dhooge

Automated 3-D breast ultrasound (ABUS) is a newfound system for breast screening that has been proposed as a supplementary modality to mammography for breast cancer detection. While ABUS has better performance in dense breasts, reading ABUS…

图像与视频处理 · 电气工程与系统科学 2021-09-30 Hamed Fayyaz , Ehsan Kozegar , Tao Tan , Mohsen Soryani

Deep neural networks have been widely adopted for automatic organ segmentation from abdominal CT scans. However, the segmentation accuracy of some small organs (e.g., the pancreas) is sometimes below satisfaction, arguably because deep…

计算机视觉与模式识别 · 计算机科学 2017-06-22 Yuyin Zhou , Lingxi Xie , Wei Shen , Yan Wang , Elliot K. Fishman , Alan L. Yuille

Surgical assessment of liver cancer patients requires identification of the vessel trees from medical images. Specifically, the venous trees - the portal (perfusing) and the hepatic (draining) trees are important for understanding the liver…

图像与视频处理 · 电气工程与系统科学 2025-03-20 Yassine Machta , Omar Ali , Kevin Hakkakian , Ana Vlasceanu , Amaury Facque , Nicolas Golse , Irene Vignon-Clementel

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

Purpose: Manual medical image segmentation is an exhausting and time-consuming task along with high inter-observer variability. In this study, our objective is to improve the multi-resolution image segmentation performance of U-Net…

图像与视频处理 · 电气工程与系统科学 2020-07-20 Simindokht Jahangard , Mohammad Hossein Zangooei , Maysam Shahedi

Transfer learning leverages pre-trained model features from a large dataset to save time and resources when training new models for various tasks, potentially enhancing performance. Due to the lack of large datasets in the medical imaging…

图像与视频处理 · 电气工程与系统科学 2023-11-10 Gabriel Efrain Humpire-Mamani , Colin Jacobs , Mathias Prokop , Bram van Ginneken , Nikolas Lessmann

Purpose: Automated distinct bone segmentation from CT scans is widely used in planning and navigation workflows. U-Net variants are known to provide excellent results in supervised semantic segmentation. However, in distinct bone…

图像与视频处理 · 电气工程与系统科学 2023-02-01 Eva Schnider , Julia Wolleb , Antal Huck , Mireille Toranelli , Georg Rauter , Magdalena Müller-Gerbl , Philippe C. Cattin

This paper reports Deep LOGISMOS approach to 3D tumor segmentation by incorporating boundary information derived from deep contextual learning to LOGISMOS - layered optimal graph image segmentation of multiple objects and surfaces. Accurate…

计算机视觉与模式识别 · 计算机科学 2018-01-29 Zhihui Guo , Ling Zhang , Le Lu , Mohammadhadi Bagheri , Ronald M. Summers , Milan Sonka , Jianhua Yao

Automated slice classification is clinically relevant since it can be incorporated into medical image segmentation workflows as a preprocessing step that would flag slices with a higher probability of containing tumors, thereby directing…

图像与视频处理 · 电气工程与系统科学 2024-03-13 Shadab Ahamed , Yixi Xu , Ingrid Bloise , Joo H. O , Carlos F. Uribe , Rahul Dodhia , Juan L. Ferres , Arman Rahmim

Tumor volume segmentation on MRI is a challenging and time-consuming process that is performed manually in typical clinical settings. This work presents an approach to automated delineation of head and neck tumors on MRI scans, developed in…

图像与视频处理 · 电气工程与系统科学 2025-01-10 Andrei Iantsen

Although numerous improvements have been made in the field of image segmentation using convolutional neural networks, the majority of these improvements rely on training with larger datasets, model architecture modifications, novel loss…

计算机视觉与模式识别 · 计算机科学 2019-07-11 Saied Asgari Taghanaki , Kumar Abhishek , Ghassan Hamarneh

In several image acquisition and processing steps of X-ray radiography, knowledge of the existence of metal implants and their exact position is highly beneficial (e.g. dose regulation, image contrast adjustment). Another application which…

图像与视频处理 · 电气工程与系统科学 2022-03-18 Fuxin Fan , Ludwig Ritschl , Marcel Beister , Ramyar Biniazan , Björn Kreher , Tristan M. Gottschalk , Steffen Kappler , Andreas Maier

Segmentation of biomedical images can assist radiologists to make a better diagnosis and take decisions faster by helping in the detection of abnormalities, such as tumors. Manual or semi-automated segmentation, however, can be a…

图像与视频处理 · 电气工程与系统科学 2021-02-11 Dhanunjaya Mitta , Soumick Chatterjee , Oliver Speck , Andreas Nürnberger

Lymphoma detection and segmentation from whole-body Positron Emission Tomography/Computed Tomography (PET/CT) volumes are crucial for surgical indication and radiotherapy. Designing automatic segmentation methods capable of effectively…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Ling Huang , Thierry Denoeux , David Tonnelet , Pierre Decazes , Su Ruan

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…

图像与视频处理 · 电气工程与系统科学 2024-10-10 Mohamed Deriche , Mohammad Marufur

Lung cancer is the leading cause of cancer related mortality by a significant margin. While new technologies, such as image segmentation, have been paramount to improved detection and earlier diagnoses, there are still significant…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Marguerite B. Basta , Sarfaraz Hussein , Hsiang Hsu , Flavio P. Calmon

In CT angiography, the accurate segmentation of abdominal aortic aneurysms (AAAs) is difficult due to large anatomical variability, low-contrast vessel boundaries, and the close proximity of organs whose intensities resemble vascular…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Osamah Sufyan , Martin Brückmann , Ralph Wickenhöfer , Babette Dellen , Uwe Jaekel

Medical image segmentation is of great significance in analysis of illness. The use of deep neural networks in medical image segmentation can help doctors extract regions of interest from complex medical images, thereby improving diagnostic…

图像与视频处理 · 电气工程与系统科学 2026-04-01 Zhuoyi Fang , Kexuan Shi , Jiajia Liu , Qiang Han

Organ at risk (OAR) segmentation is a crucial step for treatment planning and outcome determination in radiotherapy treatments of cancer patients. Several deep learning based segmentation algorithms have been developed in recent years,…

图像与视频处理 · 电气工程与系统科学 2022-02-07 Ilkin Isler , Curtis Lisle , Justin Rineer , Patrick Kelly , Damla Turgut , Jacob Ricci , Ulas Bagci