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Optical coherence tomography (OCT) is a medical imaging modality that allows us to probe deeper substructures of skin. The state-of-the-art wound care prediction and monitoring methods are based on visual evaluation and focus on surface…

Image and Video Processing · Electrical Eng. & Systems 2023-06-05 Prashant Kumar , Swatantra Dhara , Ayan Gope , Jyotirmoy Chatterjee , Subhamoy Mandal

This study combines simulated annealing with delta evaluation to solve the joint stratification and sample allocation problem. In this problem, atomic strata are partitioned into mutually exclusive and collectively exhaustive strata. Each…

Artificial Intelligence · Computer Science 2021-11-23 Mervyn O'Luing , Steven Prestwich , S. Armagan Tarim

Pulmonary vessel segmentation is important for clinical diagnosis of pulmonary diseases, while is also challenging due to the complicated structure. In this work, we present an effective framework and refinement process of pulmonary vessel…

Image and Video Processing · Electrical Eng. & Systems 2021-07-06 Hejie Cui , Xinglong Liu , Ning Huang

In this article, we present a graph-based method using a cubic template for volumetric segmentation of vertebrae in magnetic resonance imaging (MRI) acquisitions. The user can define the degree of deviation from a regular cube via a…

Computer Vision and Pattern Recognition · Computer Science 2015-06-19 Robert Schwarzenberg , Bernd Freisleben , Christopher Nimsky , Jan Egger

Accurate segmentation of the heart is essential for personalized blood flow simulations and surgical intervention planning. Segmentations need to be accurate in every spatial dimension, which is not ensured by segmenting data slice by…

Image and Video Processing · Electrical Eng. & Systems 2024-01-25 Lee Jollans , Mariana Bustamante , Lilian Henriksson , Anders Persson , Tino Ebbers

The segmentation and analysis of coronary arteries from intravascular optical coherence tomography (IVOCT) is an important aspect of diagnosing and managing coronary artery disease. Current image processing methods are hindered by the time…

Machine Learning · Computer Science 2021-04-20 Arjun Balaji , Lachlan Kelsey , Kamran Majeed , Carl Schultz , Barry Doyle

Segmentation of the sigmoid colon is a crucial aspect of treating diverticulitis. It enables accurate identification and localisation of inflammation, which in turn helps healthcare professionals make informed decisions about the most…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Md Akizur Rahman , Sonit Singh , Kuruparan Shanmugalingam , Sankaran Iyer , Alan Blair , Praveen Ravindran , Arcot Sowmya

Cardiac magnetic resonance (CMR) imaging and computed tomography (CT) are two common non-invasive imaging methods for assessing patients with cardiovascular disease. CMR typically acquires multiple sparse 2D slices, with unavoidable…

Image and Video Processing · Electrical Eng. & Systems 2024-08-15 Yiyang Xu , Hao Xu , Matthew Sinclair , Esther Puyol-Antón , Steven A Niederer , Amedeo Chiribiri , Steven E Williams , Michelle C Williams , Alistair A Young

Optical Coherence Tomography(OCT) is a non-invasive technique capturing cross-sectional area of the retina in micro-meter resolutions. It has been widely used as a auxiliary imaging reference to detect eye-related pathology and predict…

Image and Video Processing · Electrical Eng. & Systems 2022-09-01 Shuo Chen , Da Ma , Sieun Lee , Timothy T. L. Yu , Gavin Xu , Donghuan Lu , Karteek Popuri , Myeong Jin Ju , Marinko V. Sarunic , Mirza Faisal Beg

Accurate cerebrovascular segmentation from Magnetic Resonance Angiography (MRA) and Computed Tomography Angiography (CTA) is of great significance in diagnosis and treatment of cerebrovascular pathology. Due to the complexity and topology…

Image and Video Processing · Electrical Eng. & Systems 2024-11-22 Zhanqiang Guo , Yao Luan , Jianjiang Feng , Wangsheng Lu , Yin Yin , Guangming Yang , Jie Zhou

Through participatory design, we are developing a computational system for the semi-automated assessment of the Action Research Arm Test (ARAT) for stroke rehabilitation. During rehabilitation assessment, clinicians rate movement segments…

Human-Computer Interaction · Computer Science 2025-01-03 Tamim Ahmed , Zhaoyi Guo , Mohammod Shaikh Sadid Khan , Thanassis Rikakis , Aisling Kelliher

Recently, joint registration and segmentation has been formulated in a deep learning setting, by the definition of joint loss functions. In this work, we investigate joining these tasks at the architectural level. We propose a registration…

Image and Video Processing · Electrical Eng. & Systems 2020-04-20 Laurens Beljaards , Mohamed S. Elmahdy , Fons Verbeek , Marius Staring

Coronary artery disease leading up to stenosis, the partial or total blocking of coronary arteries, is a severe condition that affects millions of patients each year. Automated identification and classification of stenosis severity from…

Image and Video Processing · Electrical Eng. & Systems 2021-03-05 Dinis L. Rodrigues , Miguel Nobre Menezes , Fausto J. Pinto , Arlindo L. Oliveira

Despite the tremendous success of deep neural networks in medical image segmentation, they typically require a large amount of costly, expert-level annotated data. Few-shot segmentation approaches address this issue by learning to transfer…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Qinji Yu , Kang Dang , Nima Tajbakhsh , Demetri Terzopoulos , Xiaowei Ding

Advancements in medical imaging and endovascular grafting have facilitated minimally invasive treatments for aortic diseases. Accurate 3D segmentation of the aorta and its branches is crucial for interventions, as inaccurate segmentation…

For 3D medical image (e.g. CT and MRI) segmentation, the difficulty of segmenting each slice in a clinical case varies greatly. Previous research on volumetric medical image segmentation in a slice-by-slice manner conventionally use the…

Image and Video Processing · Electrical Eng. & Systems 2022-07-12 Wenxuan Wang , Chen Chen , Jing Wang , Sen Zha , Yan Zhang , Jiangyun Li

Tight-frame, a generalization of orthogonal wavelets, has been used successfully in various problems in image processing, including inpainting, impulse noise removal, super-resolution image restoration, etc. Segmentation is the process of…

Numerical Analysis · Mathematics 2015-03-19 Xiaohao Cai , Raymond Chan , Serena Morigi , Fiorella Sgallari

Segmentation of cerebral blood vessels from Magnetic Resonance Imaging (MRI) is an open problem that could be solved with deep learning (DL). However, annotated data for training is often scarce. Due to the absence of open-source tools, we…

Image and Video Processing · Electrical Eng. & Systems 2023-03-10 Georgia Kenyon , Stephan Lau , Michael A. Chappell , Mark Jenkinson

Purpose: Echocardiography is commonly used as a non-invasive imaging tool in clinical practice for the assessment of cardiac function. However, delineation of the left ventricle is challenging due to the inherent properties of ultrasound…

Image and Video Processing · Electrical Eng. & Systems 2021-09-07 Deepa Krishnaswamy , Abhilash R. Hareendranathan , Tan Suwatanaviroj , Pierre Boulanger , Harald Becher , Michelle Noga , Kumaradevan Punithakumar

Segmentation of the airway tree from chest computed tomography (CT) images is critical for quantitative assessment of airway diseases including bronchiectasis and chronic obstructive pulmonary disease (COPD). However, obtaining an accurate…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 A. Garcia-Uceda Juarez , H. A. W. M. Tiddens , M. de Bruijne