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Related papers: Automatic Delineation of Kidney Region in DCE-MRI

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Quantification of kidney function in Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) requires careful segmentation of the renal region of interest (ROI). Traditionally, human experts are required to manually delineate the…

Image and Video Processing · Electrical Eng. & Systems 2019-05-27 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

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

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

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 presents a new approach for precisely estimating the renal vascular dominant region using a Voronoi diagram. To provide computer-assisted diagnostics for the pre-surgical simulation of partial nephrectomy surgery, we must obtain…

Image and Video Processing · Electrical Eng. & Systems 2020-01-27 Chenglong Wang , Holger R. Roth , Takayuki Kitasaka , Masahiro Oda , Yuichiro Hayashi , Yasushi Yoshino , Tokunori Yamamoto , Naoto Sassa , Momokazu Goto , Kensaku Mori

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

Dynamic contrast-enhanced (DCE) MRI is an evolving imaging technique that provides a quantitative measure of pharmacokinetic (PK) parameters in body tissues, in which series of T1-weighted images are collected following the administration…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Cagdas Ulas , Giles Tetteh , Michael J. Thrippleton , Paul A. Armitage , Stephen D. Makin , Joanna M. Wardlaw , Mike E. Davies , Bjoern H. Menze

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

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

This paper presents a novel automated system that segments six sub-retinal layers from optical coherence tomography (OCT) image stacks of healthy patients and patients with diabetic macular edema (DME). First, each image in the OCT stack is…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Sohini Roychowdhury , Dara D. Koozekanani , Michael Reinsbach , Keshab K. Parhi

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

Deep learning has shown great promise in the ability to automatically annotate organs in magnetic resonance imaging (MRI) scans, for example, of the brain. However, despite advancements in the field, the ability to accurately segment…

Image and Video Processing · Electrical Eng. & Systems 2024-03-26 Cosmin Ciausu , Deepa Krishnaswamy , Benjamin Billot , Steve Pieper , Ron Kikinis , Andrey Fedorov

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

Motion correction of dynamic contrast enhanced magnetic resonance images (DCE-MRI) is a challenging task, due to changes in image appearance. In this study a groupwise registration, using a principle component analysis (PCA) based metric,1…

Image and Video Processing · Electrical Eng. & Systems 2019-08-23 Mariëlle J. A. Jansen , Wouter B. Veldhuis , Maarten S. van Leeuwen , Josien P. W. Pluim

Rectal tumour segmentation in dynamic contrast-enhanced MRI (DCE-MRI) is a challenging task, and an automated and consistent method would be highly desirable to improve the modelling and prediction of patient outcomes from tissue contrast…

Computer Vision and Pattern Recognition · Computer Science 2016-04-19 Benjamin Irving , James M Franklin , Bartlomiej W Papiez , Ewan M Anderson , Ricky A Sharma , Fergus V Gleeson , Sir Michael Brady , Julia A Schnabel

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
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