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Precise determination of target is an essential procedure in prostate interventions, such as the prostate biopsy, lesion detection and targeted therapy. However, the prostate delineation may be tough in some cases due to tissue ambiguity or…

图像与视频处理 · 电气工程与系统科学 2020-07-31 Chunxia Qin , Xiaojun Chen , Jocelyne Troccaz

Planning of radiotherapy involves accurate segmentation of a large number of organs at risk, i.e. organs for which irradiation doses should be minimized to avoid important side effects of the therapy. We propose a deep learning method for…

图像与视频处理 · 电气工程与系统科学 2019-07-04 Pawel Mlynarski , Hervé Delingette , Hamza Alghamdi , Pierre-Yves Bondiau , Nicholas Ayache

Clinically significant prostate cancer has a better chance to be sampled during ultrasound-guided biopsy procedures, if suspected lesions found in pre-operative magnetic resonance (MR) images are used as targets. However, the diagnostic…

机器学习 · 计算机科学 2022-07-25 Iani JMB Gayo , Shaheer U. Saeed , Dean C. Barratt , Matthew J. Clarkson , Yipeng Hu

The integration of machine learning in magnetic resonance imaging (MRI), specifically in neuroimaging, is proving to be incredibly effective, leading to better diagnostic accuracy, accelerated image analysis, and data-driven insights, which…

Biparametric MRI has emerged as an alternative to multiparametric prostate MRI, which eliminates the need for the potential harms to the patient due to the contrast medium. One major issue with biparametric MRI is difficulty to detect…

Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) is a valuable tool to localize, characterize, and evaluate anomalous prostate tissue. Ultrafast gradient-echo acquisitions of MRI volumes are generated at regular time intervals…

Medical image segmentation is an increasingly popular area of research in medical imaging processing and analysis. However, many researchers who are new to the field struggle with basic concepts. This tutorial paper aims to provide an…

图像与视频处理 · 电气工程与系统科学 2023-04-13 Diedre Carmo , Gustavo Pinheiro , Lívia Rodrigues , Thays Abreu , Roberto Lotufo , Letícia Rittner

Automatic segmentation of the prostate cancer from the multi-modal magnetic resonance images is of critical importance for the initial staging and prognosis of patients. However, how to use the multi-modal image features more efficiently is…

图像与视频处理 · 电气工程与系统科学 2020-11-10 Guokai Zhang , Xiaoang Shen , Ye Luo , Jihao Luo , Zeju Wang , Weigang Wang , Binghui Zhao , Jianwei Lu

Continual learning (CL) methods designed for natural image classification often fail to reach basic quality standards for medical image segmentation. Atlas-based segmentation, a well-established approach in medical imaging, incorporates…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Amin Ranem , Camila González , Daniel Pinto dos Santos , Andreas M. Bucher , Ahmed E. Othman , Anirban Mukhopadhyay

Medical imaging based prostate cancer diagnosis procedure uses intra-operative transrectal ultrasound (TRUS) imaging to visualize the prostate shape and location to collect tissue samples. Correct tissue sampling from prostate requires…

计算机视觉与模式识别 · 计算机科学 2019-03-22 M. S. Hossain , A. P. Paplinski , J. M. Betts

Real-time deployment of prostate MRI segmentation on clinical workstations is often bottlenecked by computational load and memory footprint. Deep learning-based prostate gland segmentation approaches remain challenging due to anatomical…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Anning Tian , Byunghyun Ko , Kaichen Qu , Mengyuan Liu , Jeongkyu Lee

We hypothesize that probabilistic voxel-level classification of anatomy and malignancy in prostate MRI, although typically posed as near-identical segmentation tasks via U-Nets, require different loss functions for optimal performance due…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Anindo Saha , Joeran Bosma , Jasper Linmans , Matin Hosseinzadeh , Henkjan Huisman

Objective: Machine learning (ML) based radiation treatment (RT) planning addresses the iterative and time-consuming nature of conventional inverse planning. Given the rising importance of Magnetic resonance (MR) only treatment planning…

医学物理 · 物理学 2022-06-13 Aly Khalifa , Jeff Winter , Inmaculada Navarro , Chris McIntosh , Thomas G. Purdie

Precise determination and assessment of bladder cancer (BC) extent of muscle invasion involvement guides proper risk stratification and personalized therapy selection. In this context, segmentation of both bladder walls and cancer are of…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Mark G. Bandyk , Dheeraj R Gopireddy , Chandana Lall , K. C. Balaji , Jose Dolz

While current research has shown the importance of Multi-parametric MRI (mpMRI) in diagnosing prostate cancer (PCa), further investigation is needed for how to incorporate the specific structures of the mpMRI data, such as the regional…

机器学习 · 统计学 2021-11-04 Jin Jin , Lin Zhang , Ethan Leng , Gregory J. Metzger , Joseph S. Koopmeiners

Brain tumors are one of the deadliest forms of cancer with a mortality rate of over 80%. A quick and accurate diagnosis is crucial to increase the chance of survival. However, in medical analysis, the manual annotation and segmentation of a…

图像与视频处理 · 电气工程与系统科学 2024-03-18 Zachary Schwehr , Sriman Achanta

Deep learning-based automated contouring and treatment planning has been proven to improve the efficiency and accuracy of radiotherapy. However, conventional radiotherapy treatment planning process has the automated contouring and treatment…

医学物理 · 物理学 2024-12-02 Sangwook Kim , Aly Khalifa , Thomas G. Purdie , Chris McIntosh

Brain tumors are a complex and potentially life-threatening medical condition that requires accurate diagnosis and timely treatment. In this paper, we present a machine learning-based system designed to assist healthcare professionals in…

图像与视频处理 · 电气工程与系统科学 2023-04-18 Belal Badawy , Romario Sameh Samir , Youssef Tarek , Mohammed Ahmed , Rana Ibrahim , Manar Ahmed , Mohamed Hassan

Prostate cancer being one of the frequently diagnosed malignancy in men, the rising demand for biopsies places a severe workload on pathologists. The grading procedure is tedious and subjective, motivating the development of automated…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Riddhasree Bhattacharyya , Pallabi Dutta , Sushmita Mitra

MR imaging is a valuable diagnostic tool allowing to non-invasively visualize patient anatomy and pathology with high soft-tissue contrast. However, MRI acquisition is typically time-consuming, leading to patient discomfort and increased…

图像与视频处理 · 电气工程与系统科学 2025-12-23 Jan Nikolas Morshuis , Matthias Hein , Christian F. Baumgartner