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Automatic segmentation in MR brain images is important for quantitative analysis in large-scale studies with images acquired at all ages. This paper presents a method for the automatic segmentation of MR brain images into a number of tissue…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Pim Moeskops , Max A. Viergever , Adriënne M. Mendrik , Linda S. de Vries , Manon J. N. L. Benders , Ivana Išgum

Manually inspecting polyps from a colonoscopy for colorectal cancer or performing a biopsy on skin lesions for skin cancer are time-consuming, laborious, and complex procedures. Automatic medical image segmentation aims to expedite this…

Image and Video Processing · Electrical Eng. & Systems 2023-06-27 Akib Mohammed Khan , Alif Ashrafee , Fahim Shahriar Khan , Md. Bakhtiar Hasan , Md. Hasanul Kabir

The vertebral levels of the spine provide a useful coordinate system when making measurements of plaque, muscle, fat, and bone mineral density. Correctly classifying vertebral levels with high accuracy is challenging due to the similar…

Image and Video Processing · Electrical Eng. & Systems 2020-10-08 Daniel C. Elton , Veit Sandfort , Perry J. Pickhardt , Ronald M. Summers

The aim of this study is to investigate the segmentation accuracies of different segmentation networks trained on 730 manually annotated lateral lumbar spine X-rays. Instance segmentation networks were compared to semantic segmentation…

Image and Video Processing · Electrical Eng. & Systems 2020-04-08 Sandor Konya , Sai Natarajan T R , Hassan Allouch , Kais Abu Nahleh , Omneya Yakout Dogheim , Heinrich Boehm

Semantic image segmentation is the process of labeling each pixel of an image with its corresponding class. An encoder-decoder based approach, like U-Net and its variants, is a popular strategy for solving medical image segmentation tasks.…

Image and Video Processing · Electrical Eng. & Systems 2020-06-30 Debesh Jha , Michael A. Riegler , Dag Johansen , Pål Halvorsen , Håvard D. Johansen

In recent years, Deep Learning (DL) has shown promising results in conducting AI tasks such as computer vision and image segmentation. Specifically, Convolutional Neural Network (CNN) models in DL have been applied to prevention,detection,…

Image and Video Processing · Electrical Eng. & Systems 2019-11-19 Ahmed Awad Albishri , Syed Jawad Hussain Shah , Anthony Schmiedler , Seung Suk Kang , Yugyung Lee

The automated detection of cortical lesions (CLs) in patients with multiple sclerosis (MS) is a challenging task that, despite its clinical relevance, has received very little attention. Accurate detection of the small and scarce lesions…

Image and Video Processing · Electrical Eng. & Systems 2020-08-18 Francesco La Rosa , Erin S Beck , Ahmed Abdulkadir , Jean-Philippe Thiran , Daniel S Reich , Pascal Sati , Meritxell Bach Cuadra

Accurate segmentation of mandibular canals in lower jaws is important in dental implantology. Medical experts determine the implant position and dimensions manually from 3D CT images to avoid damaging the mandibular nerve inside the canal.…

Image and Video Processing · Electrical Eng. & Systems 2022-11-03 Azka Rehman , Muhammad Usman , Rabeea Jawaid , Amal Muhammad Saleem , Shi Sub Byon , Sung Hyun Kim , Byoung Dai Lee , Byung il Lee , Yeong Gil Shin

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

Accurate segmentation for medical images is important for clinical diagnosis. Existing automatic segmentation methods are mainly based on fully supervised learning and have an extremely high demand for precise annotations, which are very…

Computer Vision and Pattern Recognition · Computer Science 2021-06-10 Yuanpeng Liu , Qinglei Hui , Zhiyi Peng , Shaolin Gong , Dexing Kong

Scoliosis is a congenital disease in which the spine is deformed from its normal shape. Measurement of scoliosis requires labeling and identification of vertebrae in the spine. Spine radiographs are the most cost-effective and accessible…

Image and Video Processing · Electrical Eng. & Systems 2020-04-16 Abdullah-Al-Zubaer Imran , Chao Huang , Hui Tang , Wei Fan , Kenneth M. C. Cheung , Michael To , Zhen Qian , Demetri Terzopoulos

Lesion segmentation is a crucial step of the radiomic workflow. Manual segmentation requires long execution time and is prone to variability, impairing the realisation of radiomic studies and their robustness. In this study, a deep-learning…

Computer-aided detection or decision support systems aim to improve breast cancer screening programs by helping radiologists to evaluate digital mammography (DM) exams. Commonly such methods proceed in two steps: selection of candidate…

Computer Vision and Pattern Recognition · Computer Science 2018-03-09 Timothy de Moor , Alejandro Rodriguez-Ruiz , Albert Gubern Mérida , Ritse Mann , Jonas Teuwen

In medical imaging, segmentation and localization of spinal tumors in three-dimensional (3D) space pose significant computational challenges, primarily stemming from limited data availability. In response, this study introduces a novel data…

Image and Video Processing · Electrical Eng. & Systems 2024-05-08 Rikathi Pal , Sudeshna Mondal , Aditi Gupta , Priya Saha , Somoballi Ghoshal , Amlan Chakrabarti , Susmita Sur-Kolay

A significant proportion of patients scanned in a clinical setting have follow-up scans. We show in this work that such longitudinal scans alone can be used as a form of 'free' self-supervision for training a deep network. We demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2017-08-02 Amir Jamaludin , Timor Kadir , Andrew Zisserman

Precise identification of spinal nerve rootlets is relevant to delineate spinal levels for the study of functional activity in the spinal cord. The goal of this study was to develop an automatic method for the semantic segmentation of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Jan Valosek , Theo Mathieu , Raphaelle Schlienger , Olivia S. Kowalczyk , Julien Cohen-Adad

The accurate segmentation of organs-at-risk (OARs) in head and neck CT images is a critical step for radiation therapy of head and neck cancer patients. However, manual delineation for numerous OARs is time-consuming and laborious, even for…

Image and Video Processing · Electrical Eng. & Systems 2021-10-26 Shuai Wang , Theodore Yanagihara , Bhishamjit Chera , Colette Shen , Pew-Thian Yap , Jun Lian

The task of automatically segmenting 3-D surfaces representing boundaries of objects is important for quantitative analysis of volumetric images, and plays a vital role in biomedical image analysis. Recently, graph-based methods with a…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Abhay Shah , Michael Abramoff , Xiaodong Wu

Automated lumbar spine segmentation is very crucial for modern diagnosis systems. In this study, we introduce a novel machine-agnostic approach for segmenting lumbar vertebrae and intervertebral discs from MRI images, employing a cascaded…

Image and Video Processing · Electrical Eng. & Systems 2024-11-26 Promit Basak , Rusab Sarmun , Saidul Kabir , Israa Al-Hashimi , Enamul Hoque Bhuiyan , Anwarul Hasan , Muhammad Salman Khan , Muhammad E. H. Chowdhury