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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

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

Medical ultrasound (US) imaging is a frontline tool for the diagnosis of kidney diseases. However, traditional freehand imaging procedure suffers from inconsistent, operator-dependent outcomes, lack of 3D localization information, and risks…

Robotics · Computer Science 2026-02-19 Xihan Ma , Haichong Zhang

Automated segmentation of kidneys and kidney tumors is an important step in quantifying the tumor's morphometrical details to monitor the progression of the disease and accurately compare decisions regarding the kidney tumor treatment.…

Image and Video Processing · Electrical Eng. & Systems 2019-09-17 Andriy Myronenko , Ali Hatamizadeh

This study introduces an automated pipeline for renal cancer (RC) detection in non-contrast computed tomography (NCCT). In the development of our pipeline, we test three detections models: a shape model, a 2D-, and a 3D axial-sample model.…

Image and Video Processing · Electrical Eng. & Systems 2023-12-12 William McGough , Thomas Buddenkotte , Stephan Ursprung , Zeyu Gao , Grant Stewart , Mireia Crispin-Ortuzar

To track tumors during surgery, information from preoperative CT scans is used to determine their position. However, as the surgeon operates, the tumor may be deformed which presents a major hurdle for accurately resecting the tumor, and…

The objective of this study is to develop a deep-learning based detection and diagnosis technique for carotid atherosclerosis using a portable freehand 3D ultrasound (US) imaging system. A total of 127 3D carotid artery scans were acquired…

Image and Video Processing · Electrical Eng. & Systems 2023-11-10 Jiawen Li , Yunqian Huang , Sheng Song , Hongbo Chen , Junni Shi , Duo Xu , Haibin Zhang , Man Chen , Rui Zheng

Image-guided navigation of catheter devices to anatomic targets within large 3D cardiac chambers and vessels is challenging in the interventional setting due to the limitations of a conventional 2D x-ray projection format. Scanning-beam…

Medical Physics · Physics 2024-03-26 Jordan M. Slagowski

During spinal fusion surgery, screws are placed close to critical nerves suggesting the need for highly accurate screw placement. Verifying screw placement on high-quality tomographic imaging is essential. C-arm Cone-beam CT (CBCT) provides…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Mareike Thies , Jan-Nico Zäch , Cong Gao , Russell Taylor , Nassir Navab , Andreas Maier , Mathias Unberath

This work proposed a novel deep registration pipeline for 3D CT and 2D U/S kidney scans of free breathing, which consists of a feature network, and a 3D-2D CNN-based registration network. The feature network has handcraft texture feature…

Image and Video Processing · Electrical Eng. & Systems 2023-08-17 Chi Yanling , Xu Yuyu , Liu Huiying , Wu Xiaoxiang , Liu Zhiqiang , Mao Jiawei , Xu Guibin , Huang Weimin

Many renal cancers are incidentally found on non-contrast CT (NCCT) images. On contrast-enhanced CT (CECT) images, most kidney tumors, especially renal cancers, have different intensity values compared to normal tissues. However, on NCCT…

Image and Video Processing · Electrical Eng. & Systems 2023-12-11 Taro Hatsutani , Akimichi Ichinose , Keigo Nakamura , Yoshiro Kitamura

In the last decade C-arm-based cone-beam CT became a widely used modality for intraoperative imaging. Typically a C-arm scan is performed using a circle-like trajectory around a region of interest. Therefor an angular range of at least…

Medical Physics · Physics 2015-06-11 Ludwig Ritschl , Jan Kuntz , Marc Kachelrieß

This paper introduces a hybrid two-stage registration framework for reconstructing three-dimensional (3D) kidney anatomy from macroscopic slices, using CT-derived models as the geometric reference standard. The approach addresses the…

Image and Video Processing · Electrical Eng. & Systems 2026-02-17 Tomasz Les , Tomasz Markiewicz , Malgorzata Lorent , Miroslaw Dziekiewicz , Krzysztof Siwek

Due to the irregular motion, similar appearance and diverse shape, accurate segmentation of kidney tumor in CT images is a difficult and challenging task. To this end, we present a novel automatic segmentation method, termed as…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Qian Yu , Yinghuan Shi , Jinquan Sun , Yang Gao , Yakang Dai , Jianbing Zhu

Determining the type of kidney stones allows urologists to prescribe a treatment to avoid recurrence of renal lithiasis. An automated in-vivo image-based classification method would be an important step towards an immediate identification…

Image and Video Processing · Electrical Eng. & Systems 2023-08-28 Francisco Lopez-Tiro , Vincent Estrade , Jacques Hubert , Daniel Flores-Araiza , Miguel Gonzalez-Mendoza , Gilberto Ochoa-Ruiz , Christian Daul

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

This contribution presents a deep learning method for the extraction and fusion of information relating to kidney stone fragments acquired from different viewpoints of the endoscope. Surface and section fragment images are jointly used…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Elias Villalvazo-Avila , Francisco Lopez-Tiro , Jonathan El-Beze , Jacques Hubert , Miguel Gonzalez-Mendoza , Gilberto Ochoa-Ruiz , Christian Daul

Efficiently quantifying renal structures can provide distinct spatial context and facilitate biomarker discovery for kidney morphology. However, the development and evaluation of the transformer model to segment the renal cortex, medulla,…

Image and Video Processing · Electrical Eng. & Systems 2022-03-07 Xin Yu , Yucheng Tang , Yinchi Zhou , Riqiang Gao , Qi Yang , Ho Hin Lee , Thomas Li , Shunxing Bao , Yuankai Huo , Zhoubing Xu , Thomas A. Lasko , Richard G. Abramson , Bennett A. Landman

In this study, we introduce a deep learning approach for segmenting kidney parenchyma and kidney abnormalities to support clinicians in identifying and quantifying renal abnormalities such as cysts, lesions, masses, metastases, and primary…

Image and Video Processing · Electrical Eng. & Systems 2023-09-08 Gabriel Efrain Humpire Mamani , Nikolas Lessmann , Ernst Th. Scholten , Mathias Prokop , Colin Jacobs , Bram van Ginneken

Knowing the cause of kidney stone formation is crucial to establish treatments that prevent recurrence. There are currently different approaches for determining the kidney stone type. However, the reference ex-vivo identification procedure…

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