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Fully Convolutional Networks have been achieving remarkable results in image semantic segmentation, while being efficient. Such efficiency results from the capability of segmenting several voxels in a single forward pass. So, there is a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Sergio Pereira , Adriano Pinto , Joana Amorim , Alexandrine Ribeiro , Victor Alves , Carlos A. Silva

In this paper we propose a novel method for the segmentation of longitudinal brain MRI scans of patients suffering from Multiple Sclerosis. The method builds upon an existing cross-sectional method for simultaneous whole-brain and lesion…

Image and Video Processing · Electrical Eng. & Systems 2021-01-05 Stefano Cerri , Andrew Hoopes , Douglas N. Greve , Mark Mühlau , Koen Van Leemput

Purpose: Segmentation of the breast lesion in dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) is an essential step to accurately diagnose and plan treatment and monitor progress. This study aims to highlight the impact of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Sam Narimani , Solveig Roth Hoff , Kathinka Dahli Kurz , Kjell-Inge Gjesdal , Jurgen Geisler , Endre Grovik

Ischemic stroke, caused by cerebral vessel occlusion, presents substantial challenges in medical imaging due to the variability and subtlety of stroke lesions. Magnetic Resonance Imaging (MRI) plays a crucial role in diagnosing and managing…

Image and Video Processing · Electrical Eng. & Systems 2025-01-07 Ashiqur Rahman , Muhammad E. H. Chowdhury , Md Sharjis Ibne Wadud , Rusab Sarmun , Adam Mushtak , Sohaib Bassam Zoghoul , Israa Al-Hashimi

We explore encoding brain symmetry into a neural network for a brain tumor segmentation task. A healthy human brain is symmetric at a high level of abstraction, and the high-level asymmetric parts are more likely to be tumor regions. Paying…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Hejia Zhang , Xia Zhu , Theodore L. Willke

3D mesh segmentation is an important task with many biomedical applications. The human body has bilateral symmetry and some variations in organ positions. It allows us to expect a positive effect of rotation and inversion invariant layers…

Image and Video Processing · Electrical Eng. & Systems 2023-11-07 Vladislav Dordiuk , Maksim Dzhigil , Konstantin Ushenin

Precise ischemic lesion segmentation plays an essential role in improving diagnosis and treatment planning for ischemic stroke, one of the prevalent diseases with the highest mortality rate. While numerous deep neural network approaches…

Image and Video Processing · Electrical Eng. & Systems 2023-12-06 Luca Tomasetti , Stine Hansen , Mahdieh Khanmohammadi , Kjersti Engan , Liv Jorunn Høllesli , Kathinka Dæhli Kurz , Michael Kampffmeyer

Fully convolutional deep neural networks have been asserted to be fast and precise frameworks with great potential in image segmentation. One of the major challenges in training such networks raises when data is unbalanced, which is common…

Computer Vision and Pattern Recognition · Computer Science 2018-12-17 Seyed Raein Hashemi , Seyed Sadegh Mohseni Salehi , Deniz Erdogmus , Sanjay P. Prabhu , Simon K. Warfield , Ali Gholipour

Accurate segmentation of cerebral vasculature and a quantitative assessment of cerebrovascular morphology is critical to various diagnostic and therapeutic purposes and is pertinent to studying brain health and disease. However, this is…

Quantitative Methods · Quantitative Biology 2020-02-27 Aditi Deshpande , Nima Jamilpour , Bin Jiang , Chelsea Kidwell , Max Wintermark , Kaveh Laksari

Deep learning based disease detection and segmentation algorithms promise to improve many clinical processes. However, such algorithms require vast amounts of annotated training data, which are typically not available in the medical context…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Moritz Platscher , Jonathan Zopes , Christian Federau

Segmentation of white matter lesions and deep grey matter structures is an important task in the quantification of magnetic resonance imaging in multiple sclerosis. In this paper we explore segmentation solutions based on convolutional…

Multiple sclerosis lesion activity segmentation is the task of detecting new and enlarging lesions that appeared between a baseline and a follow-up brain MRI scan. While deep learning methods for single-scan lesion segmentation are common,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Nils Gessert , Marcel Bengs , Julia Krüger , Roland Opfer , Ann-Christin Ostwaldt , Praveena Manogaran , Sven Schippling , Alexander Schlaefer

Brain stroke has become a significant burden on global health and thus we need remedies and prevention strategies to overcome this challenge. For this, the immediate identification of stroke and risk stratification is the primary task for…

Image and Video Processing · Electrical Eng. & Systems 2025-01-07 Prantik Deb , Lalith Bharadwaj Baru , Kamalaker Dadi , Bapi Raju S

Over-segmentation of an image into superpixels has become a useful tool for solving various problems in image processing and computer vision. Reflection symmetry is quite prevalent in both natural and man-made objects and is an essential…

Computer Vision and Pattern Recognition · Computer Science 2018-08-13 Rajendra Nagar , Shanmuganathan Raman

Segmentation of tumors in brain MRI images is a challenging task, where most recent methods demand large volumes of data with pixel-level annotations, which are generally costly to obtain. In contrast, image-level annotations, where only…

Image and Video Processing · Electrical Eng. & Systems 2019-11-07 Sergey Pavlov , Alexey Artemov , Maksim Sharaev , Alexander Bernstein , Evgeny Burnaev

The field of computer vision is undergoing a paradigm shift toward large-scale foundation model pre-training via self-supervised learning (SSL). Leveraging large volumes of unlabeled brain MRI data, such models can learn anatomical priors…

Image and Video Processing · Electrical Eng. & Systems 2026-01-15 Petros Koutsouvelis , Matej Gazda , Leroy Volmer , Sina Amirrajab , Kamil Barbierik , Branislav Setlak , Jakub Gazda , Peter Drotar

Recent advances in deep learning have greatly facilitated the automated segmentation of ultrasound images, which is essential for nodule morphological analysis. Nevertheless, most existing methods depend on extensive and precise annotations…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Xingyue Zhao , Zhongyu Li , Xiangde Luo , Peiqi Li , Peng Huang , Jianwei Zhu , Yang Liu , Jihua Zhu , Meng Yang , Shi Chang , Jun Dong

Although normal homologous brain structures are approximately symmetrical by definition, they also have shape differences due to e.g. natural ageing. On the other hand, neurodegenerative conditions induce their own changes in this…

Neurons and Cognition · Quantitative Biology 2023-06-29 Duilio Deangeli , Emmanuel Iarussi , Juan Pablo Princich , Mariana Bendersky , Ignacio Larrabide , José Ignacio Orlando

This paper presents a method based on a kernel dictionary learning algorithm for segmenting brain tumor regions in magnetic resonance images (MRI). A set of first-order and second-order statistical feature vectors are extracted from patches…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Seyedeh Mahya Mousavi , Mohammad Mostafavi

Brain lesion segmentation plays an essential role in neurological research and diagnosis. As brain lesions can be caused by various pathological alterations, different types of brain lesions tend to manifest with different characteristics…

Image and Video Processing · Electrical Eng. & Systems 2024-07-17 Xinru Zhang , Ni Ou , Berke Doga Basaran , Marco Visentin , Mengyun Qiao , Renyang Gu , Cheng Ouyang , Yaou Liu , Paul M. Matthew , Chuyang Ye , Wenjia Bai