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Delineation of the kidney region in dynamic contrast-enhanced magnetic resonance Imaging (DCE-MRI) is required during post-acquisition analysis in order to quantify various aspects of renal function, such as filtration and perfusion or…

Image and Video Processing · Electrical Eng. & Systems 2019-05-29 Santosh Tirunagari , Norman Poh , Kevin Wells , Miroslaw Bober , Isky Gorden , David Windridge

Kidney function evaluation using dynamic contrast-enhanced MRI (DCE-MRI) images could help in diagnosis and treatment of kidney diseases of children. Automatic segmentation of renal parenchyma is an important step in this process. In this…

Computer Vision and Pattern Recognition · Computer Science 2017-12-20 Marzieh Haghighi , Simon K. Warfield , Sila Kurugol

Dynamic contrast-enhanced magnetic resonance imaging (DCE- MRI) is a widely used multi-phase technique routinely used in clinical practice. DCE and similar datasets of dynamic medical data tend to contain redundant information on the…

Objective: Automated segmentation tools are useful for calculating kidney volumes rapidly and accurately. Furthermore, these tools have the power to facilitate large-scale image-based artificial intelligence projects by generating input…

Image and Video Processing · Electrical Eng. & Systems 2024-05-15 Lucas Aronson , Ruben Ngnitewe Massaa , Syed Jamal Safdar Gardezi , Andrew L. Wentland

Kidney DCE-MRI aims at both qualitative assessment of kidney anatomy and quantitative assessment of kidney function by estimating the tracer kinetic (TK) model parameters. Accurate estimation of TK model parameters requires an accurate…

Machine Learning · Computer Science 2022-01-03 Aziz Koçanaoğulları , Cemre Ariyurek , Onur Afacan , Sila Kurugol

Despite the recent advances of deep learning algorithms in medical imaging, the automatic segmentation algorithms for kidneys in MRI exams are still scarce. Automated segmentation of kidneys in Magnetic Resonance Imaging (MRI) exams are…

Image and Video Processing · Electrical Eng. & Systems 2021-08-31 Manu Goyal , Junyu Guo , Lauren Hinojosa , Keith Hulsey , Ivan Pedrosa

Automatic segmentation of kidney and kidney tumour in Computed Tomography (CT) images is essential, as it uses less time as compared to the current gold standard of manual segmentation. However, many hospitals are still reliant on manual…

Image and Video Processing · Electrical Eng. & Systems 2022-12-27 Qi Ming How , Hoi Leong Lee

Kidney volume is greatly affected in several renal diseases. Precise and automatic segmentation of the kidney can help determine kidney size and evaluate renal function. Fully convolutional neural networks have been used to segment organs…

Image and Video Processing · Electrical Eng. & Systems 2020-09-02 Omid Bazgir , Kai Barck , Richard A. D. Carano , Robby M. Weimer , Luke Xie

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

Purpose: This study evaluated the out-of-domain performance and generalization capabilities of automated medical image segmentation models, with a particular focus on adaptation to new image acquisitions and disease type. Materials:…

Image and Video Processing · Electrical Eng. & Systems 2023-07-28 Timothy L. Kline , Sumana Ramanathan , Harrison C. Gottlich , Panagiotis Korfiatis , Adriana V. Gregory

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 Physics · Physics 2017-10-11 Wuilian Torres , Leonardo Cordero , Miguel Martín-Landrove , Antonio Rueda-Toicen

Purpose: To improve kidney segmentation in clinical ultrasound (US) images, we develop a new graph cuts based method to segment kidney US images by integrating original image intensity information and texture feature maps extracted using…

Computer Vision and Pattern Recognition · Computer Science 2017-06-13 Qiang Zheng , Steven Warner , Gregory Tasian , Yong Fan

Cardiac function is of paramount importance for both prognosis and treatment of different pathologies such as mitral regurgitation, ischemia, dyssynchrony and myocarditis. Cardiac behavior is determined by structural and functional…

Computer Vision and Pattern Recognition · Computer Science 2017-08-25 Ariel H. Curiale , Flavio D. Colavecchia , Pablo Kaluza , Roberto A. Isoardi , German Mato

Partial nephrectomy (PN) is common surgery in urology. Digitization of renal anatomies brings much help to many computer-aided diagnosis (CAD) techniques during PN. However, the manual delineation of kidney vascular system and tumor on each…

Image and Video Processing · Electrical Eng. & Systems 2023-05-24 Nan Ma , Ying Yang , Dongkai Zhou

It remains challenging to automatically segment kidneys in clinical ultrasound images due to the kidneys' varied shapes and image intensity distributions, although semi-automatic methods have achieved promising performance. In this study,…

Computer Vision and Pattern Recognition · Computer Science 2019-01-09 Shi Yin , Zhengqiang Zhang , Hongming Li , Qinmu Peng , Xinge You , Susan L. Furth , Gregory E. Tasian , Yong Fan

The segmentation of kidney layer structures, including cortex, outer stripe, inner stripe, and inner medulla within human kidney whole slide images (WSI) plays an essential role in automated image analysis in renal pathology. However, the…

Image and Video Processing · Electrical Eng. & Systems 2023-09-07 Muhao Liu , Chenyang Qi , Shunxing Bao , Quan Liu , Ruining Deng , Yu Wang , Shilin Zhao , Haichun Yang , Yuankai Huo

Image segmentation plays an essential role in medicine for both diagnostic and interventional tasks. Segmentation approaches are either manual, semi-automated or fully-automated. Manual segmentation offers full control over the quality of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-21 Tomas Sakinis , Fausto Milletari , Holger Roth , Panagiotis Korfiatis , Petro Kostandy , Kenneth Philbrick , Zeynettin Akkus , Ziyue Xu , Daguang Xu , Bradley J. Erickson

In this paper, we formulated the kidney segmentation task in a coarse-to-fine fashion, predicting a coarse label based on the entire CT image and a fine label based on the coarse segmentation and separated image patches. A key difference…

Image and Video Processing · Electrical Eng. & Systems 2019-08-30 Yue Zhang , Jiong Wu , Yu Zhou , Yifan Chen , Xiaoying Tang

Automatic segmentation of hepatic lesions in computed tomography (CT) images is a challenging task to perform due to heterogeneous, diffusive shape of tumors and complex background. To address the problem more and more researchers rely on…

Image and Video Processing · Electrical Eng. & Systems 2019-09-18 Dina B. Efremova , Dmitry A. Konovalov , Thanongchai Siriapisith , Worapan Kusakunniran , Peter Haddawy

The UK Biobank is collecting extensive data on health-related characteristics of over half a million volunteers. The biological samples of blood and urine can provide valuable insight on kidney function, with important links to…

Image and Video Processing · Electrical Eng. & Systems 2020-06-15 Taro Langner , Andreas Östling , Lukas Maldonis , Albin Karlsson , Daniel Olmo , Dag Lindgren , Andreas Wallin , Lowe Lundin , Robin Strand , Håkan Ahlström , Joel Kullberg
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