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The early detection, diagnosis and monitoring of liver cancer progression can be achieved with the precise delineation of metastatic tumours. However, accurate automated segmentation remains challenging due to the presence of noise,…

机器学习 · 计算机科学 2015-09-02 Samuel Kadoury , Eugene Vorontsov , An Tang

Recently, machine learning has been successfully applied to model-based left ventricle (LV) segmentation. The general framework involves two stages, which starts with LV localization and is followed by boundary delineation. Both are driven…

计算机视觉与模式识别 · 计算机科学 2015-07-29 Peng Sun , Haoyin Zhou , Devon Lundine , James K. Min , Guanglei Xiong

Within this thesis we propose a platform for combining Augmented Reality (AR) hardware with machine learning in a user-oriented pipeline, offering to the medical staff an intuitive 3D visualization of volumetric Computed Tomography (CT) and…

计算机视觉与模式识别 · 计算机科学 2018-08-16 Lucian Trestioreanu

Various approaches for liver segmentation in CT have been proposed: Besides statistical shape models, which played a major role in this research area, novel approaches on the basis of convolutional neural networks have been introduced…

计算机视觉与模式识别 · 计算机科学 2018-10-10 Hans Meine , Grzegorz Chlebus , Mohsen Ghafoorian , Itaru Endo , Andrea Schenk

Multi-phase computed tomography (CT) scans use contrast agents to highlight different anatomical structures within the body to improve the probability of identifying and detecting anatomical structures of interest and abnormalities such as…

图像与视频处理 · 电气工程与系统科学 2024-04-18 Abdullah F. Al-Battal , Soan T. M. Duong , Van Ha Tang , Quang Duc Tran , Steven Q. H. Truong , Chien Phan , Truong Q. Nguyen , Cheolhong An

The identification of pulmonary lobes is of great importance in disease diagnosis and treatment. A few lung diseases have regional disorders at lobar level. Thus, an accurate segmentation of pulmonary lobes is necessary. In this work, we…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Wenjia Wang , Junxuan Chen , Jie Zhao , Ying Chi , Xuansong Xie , Li Zhang , Xiansheng Hua

Perfusion imaging is a valuable tool for diagnosing and treatment planning for liver tumours. The time separation technique (TST) has been successfully used for modelling C-arm cone-beam computed tomography (CBCT) perfusion data. The…

Ultrasound (US) is the most commonly used liver imaging modality worldwide. It plays an important role in follow-up of cancer patients with liver metastases. We present an interactive segmentation approach for liver tumors in US…

计算机视觉与模式识别 · 计算机科学 2016-06-29 Jan Egger , Philip Voglreiter , Mark Dokter , Michael Hofmann , Xiaojun Chen , Wolfram G. Zoller , Dieter Schmalstieg , Alexander Hann

We propose a model for the joint segmentation of the liver and liver lesions in computed tomography (CT) volumes. We build the model from two fully convolutional networks, connected in tandem and trained together end-to-end. We evaluate our…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Eugene Vorontsov , An Tang , Chris Pal , Samuel Kadoury

Automated medical image segmentation is a priority research area for computational methods. In particular, detection of cancerous tumors represents a current challenge in this area with potential for real-world impact. This paper describes…

图像与视频处理 · 电气工程与系统科学 2019-11-06 Jamie A. O'Reilly , Manas Sangworasil , Takenobu Matsuura

Computer-aided diagnosis (CAD) technology can assist clinicians in evaluating liver lesions and intervening with treatment in time. Although CAD technology has advanced in recent years, the application scope of existing datasets remains…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Zhe Liu , Kai Han , Siqi Ma , Yan Zhu , Jun Chen , Chongwen Lyu , Xinyi Qiu , Chengxuan Qian , Yuqing Song , Yi Liu , Liyuan Tian , Yang Ji , Yuefeng Li

Medical image segmentation is particularly critical as a prerequisite for relevant quantitative analysis in the treatment of clinical diseases. For example, in clinical cervical cancer radiotherapy, after acquiring subabdominal MRI images,…

图像与视频处理 · 电气工程与系统科学 2023-06-30 Yu Xiao , Xin Yang , Sijuan Huang , Lihua Guo

The purpose of this study is to develop an automated algorithm for thoracic vertebral segmentation on chest radiography using deep learning. 124 de-identified lateral chest radiographs on unique patients were obtained. Segmentations of…

图像与视频处理 · 电气工程与系统科学 2020-01-07 Sanket Badhe , Varun Singh , Joy Li , Paras Lakhani

To extract liver from medical images is a challenging task due to similar intensity values of liver with adjacent organs, various contrast levels, various noise associated with medical images and irregular shape of liver. To address these…

图像与视频处理 · 电气工程与系统科学 2021-03-29 Muhammad Islam , Kaleem Nawaz Khan , Muhammad Salman Khan

Liver lesion segmentation is an important step for liver cancer diagnosis, treatment planning and treatment evaluation. LiTS (Liver Tumor Segmentation Challenge) provides a common testbed for comparing different automatic liver lesion…

计算机视觉与模式识别 · 计算机科学 2017-07-05 Xiao Han

Introduction: Accurate intraoperative delineation of colorectal liver metastases (CRLM) is crucial for achieving negative resection margins but remains challenging using intraoperative ultrasound (iUS) due to low contrast, noise, and…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Tiziano Natali , Karin A. Olthof , Niels F. M. Kok , Koert F. D. Kuhlmann , Theo J. M. Ruers , Matteo Fusaglia

At present, lesion segmentation is still performed manually (or semi-automatically) by medical experts. To facilitate this process, we contribute a fully-automatic lesion segmentation pipeline. This work proposes a method as a part of the…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Karsten Roth , Tomasz Konopczyński , Jürgen Hesser

Organ segmentation is a prerequisite for a computer-aided diagnosis (CAD) system to detect pathologies and perform quantitative analysis. For anatomically high-variability abdominal organs such as the pancreas, previous segmentation works…

计算机视觉与模式识别 · 计算机科学 2014-08-01 Amal Farag , Le Lu , Evrim Turkbey , Jiamin Liu , Ronald M. Summers

Automatic segmentation of medical images is among most demanded works in the medical information field since it saves time of the experts in the field and avoids human error factors. In this work, a method based on Conditional Adversarial…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Bora Baydar , Savas Ozkan , Gozde Bozdagi Akar

Deep learning-based segmentation of the liver and hepatic lesions therein steadily gains relevance in clinical practice due to the increasing incidence of liver cancer each year. Whereas various network variants with overall promising…

图像与视频处理 · 电气工程与系统科学 2023-03-23 Georg Hille , Shubham Agrawal , Pavan Tummala , Christian Wybranski , Maciej Pech , Alexey Surov , Sylvia Saalfeld