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Prostate cancer is one of the main diseases affecting men worldwide. The Gleason scoring system is the primary diagnostic tool for prostate cancer. This is obtained via the visual analysis of cancerous patterns in prostate biopsies…

图像与视频处理 · 电气工程与系统科学 2021-05-24 Julio Silva-Rodríguez , Adrián Colomer , Valery Naranjo

An efficient strategy for weakly-supervised segmentation is to impose constraints or regularization priors on target regions. Recent efforts have focused on incorporating such constraints in the training of convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Jizong Peng , Hoel Kervadec , Jose Dolz , Ismail Ben Ayed , Marco Pedersoli , Christian Desrosiers

Lesion segmentation on computed tomography (CT) scans is an important step for precisely monitoring changes in lesion/tumor growth. This task, however, is very challenging since manual segmentation is prohibitively time-consuming,…

计算机视觉与模式识别 · 计算机科学 2020-01-24 Vatsal Agarwal , Youbao Tang , Jing Xiao , Ronald M. Summers

Convolutional neural network (CNN) based segmentation methods provide an efficient and automated way for clinicians to assess the structure and function of the heart in cardiac MR images. While CNNs can generally perform the segmentation…

Machine Learning has considerably improved medical image analysis in the past years. Although data-driven approaches are intrinsically adaptive and thus, generic, they often do not perform the same way on data from different imaging…

图像与视频处理 · 电气工程与系统科学 2020-07-02 Marie Kloenne , Sebastian Niehaus , Leonie Lampe , Alberto Merola , Janis Reinelt , Ingo Roeder , Nico Scherf

Image segmentation is a primary task in many medical applications. Recently, many deep networks derived from U-Net have been extensively used in various medical image segmentation tasks. However, in most of the cases, networks similar to…

计算机视觉与模式识别 · 计算机科学 2019-08-15 Balamurali Murugesan , Kaushik Sarveswaran , Sharath M Shankaranarayana , Keerthi Ram , Mohanasankar Sivaprakasam

Background and Objective: Accurate and reliable segmentation of the prostate gland in MR images can support the clinical assessment of prostate cancer, as well as the planning and monitoring of focal and loco-regional therapeutic…

Micro-ultrasound (micro-US) is a novel 29-MHz ultrasound technique that provides 3-4 times higher resolution than traditional ultrasound, potentially enabling low-cost, accurate diagnosis of prostate cancer. Accurate prostate segmentation…

Weakly supervised semantic segmentation has been a subject of increased interest due to the scarcity of fully annotated images. We introduce a new approach for solving weakly supervised semantic segmentation with deep Convolutional Neural…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Rania Briq , Michael Moeller , Juergen Gall

Recently, many methods based on hand-designed convolutional neural networks (CNNs) have achieved promising results in automatic retinal vessel segmentation. However, these CNNs remain constrained in capturing retinal vessels in complex…

图像与视频处理 · 电气工程与系统科学 2021-06-14 Jiahong Wei , Zhun Fan

Semantic segmentation using convolutional neural networks (CNNs) is the state-of-the-art for many medical image segmentation tasks including myocardial segmentation in cardiac MR images. However, the predicted segmentation maps obtained…

图像与视频处理 · 电气工程与系统科学 2022-08-18 Sofie Tilborghs , Jan Bogaert , Frederik Maes

Breast cancer is one of the common cancers that endanger the health of women globally. Accurate target lesion segmentation is essential for early clinical intervention and postoperative follow-up. Recently, many convolutional neural…

图像与视频处理 · 电气工程与系统科学 2024-01-23 Gongping Chen , Lu Zhou , Jianxun Zhang , Xiaotao Yin , Liang Cui , Yu Dai

In current biological and medical research, statistical shape modeling (SSM) provides an essential framework for the characterization of anatomy/morphology. Such analysis is often driven by the identification of a relatively small number of…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Riddhish Bhalodia , Shireen Elhabian , Ladislav Kavan , Ross Whitaker

Accurate segmentation of the prostate is a key step in external beam radiation therapy treatments. In this paper, we tackle the challenging task of prostate segmentation in CT images by a two-stage network with 1) the first stage to fast…

图像与视频处理 · 电气工程与系统科学 2020-05-26 Kelei He , Chunfeng Lian , Bing Zhang , Xin Zhang , Xiaohuan Cao , Dong Nie , Yang Gao , Junfeng Zhang , Dinggang Shen

This contribution presents a deep learning method for the segmentation of prostate zones in MRI images based on U-Net using additive and feature pyramid attention modules, which can improve the workflow of prostate cancer detection and…

图像与视频处理 · 电气工程与系统科学 2023-09-06 Pablo Cesar Quihui-Rubio , Daniel Flores-Araiza , Miguel Gonzalez-Mendoza , Christian Mata , Gilberto Ochoa-Ruiz

The segmentation of prostate whole gland and transition zone in Diffusion Weighted MRI (DWI) are the first step in designing computer-aided detection algorithms for prostate cancer. However, variations in MRI acquisition parameters and…

图像与视频处理 · 电气工程与系统科学 2020-10-29 Saman Motamed , Isha Gujrathi , Dominik Deniffel , Anton Oentoro , Masoom A. Haider , Farzad Khalvati

Morphological and diagnostic evaluation of pediatric musculoskeletal system is crucial in clinical practice. However, most segmentation models do not perform well on scarce pediatric imaging data. We propose a new pre-trained regularized…

图像与视频处理 · 电气工程与系统科学 2022-07-21 Arnaud Boutillon , Bhushan Borotikar , Valérie Burdin , Pierre-Henri Conze

Accurate segmentation of the prostate gland in multiparametric MRI (mpMRI) is a fundamental step for a wide range of clinical and research applications, including image registration, volume estimation, and radiomic analysis. However, manual…

Convolutional Neural Networks (CNNs) have been used for automated detection of prostate cancer where Area Under Receiver Operating Characteristic (ROC) curve (AUC) is usually used as the performance metric. Given that AUC is not…

图像与视频处理 · 电气工程与系统科学 2019-11-06 Khashayar Namdar , Isha Gujrathi , Masoom A. Haider , Farzad Khalvati

Background: Transrectal ultrasound guided systematic biopsies of the prostate is a routine procedure to establish a prostate cancer diagnosis. However, the 10-12 prostate core biopsies only sample a relatively small volume of the prostate,…

图像与视频处理 · 电气工程与系统科学 2022-04-20 Bojing Liu , Yinxi Wang , Philippe Weitz , Johan Lindberg , Johan Hartman , Lars Egevad , Henrik Grönberg , Martin Eklund , Mattias Rantalainen