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Medical image segmentation being a substantial component of image processing plays a significant role to analyze gross anatomy, to locate an infirmity and to plan the surgical procedures. Segmentation of brain Magnetic Resonance Imaging…

Computer Vision and Pattern Recognition · Computer Science 2019-02-13 Mustansar Fiaz , Kamran Ali , Abdul Rehman , M. Junaid Gul , Soon Ki Jung

The brain tumor segmentation on MRI images is a very difficult and important task which is used in surgical and medical planning and assessments. If experts do the segmentation manually with their own medical knowledge, it will be…

Computer Vision and Pattern Recognition · Computer Science 2013-12-31 Saeid Fazli , Parisa Nadirkhanlou

Segmentations are crucial in medical imaging to obtain morphological, volumetric, and radiomics biomarkers. Manual segmentation is accurate but not feasible in the radiologist's clinical workflow, while automatic segmentation generally…

Diffusion-weighted magnetic resonance imaging (DW-MRI) is a critical imaging method for capturing and modeling tissue microarchitecture at a millimeter scale. A common practice to model the measured DW-MRI signal is via fiber orientation…

Purpose: This study demonstrated an MR signal multitask learning method for 3D simultaneous segmentation and relaxometry of human brain tissues. Materials and Methods: A 3D inversion-prepared balanced steady-state free precession sequence…

Medical Physics · Physics 2019-12-02 Peng Cao , Jing Liu , Shuyu Tang , Andrew Leynes , Janine M. Lupo , Duan Xu , Peder E. Z. Larson

Diffusion weighted MRI (dMRI) provides a non invasive virtual reconstruction of the brain's white matter structures through tractography. Analyzing dMRI measures along the trajectory of white matter bundles can provide a more specific…

Quantitative Methods · Quantitative Biology 2019-06-21 Samuel St-Jean , Maxime Chamberland , Max A. Viergever , Alexander Leemans

Fiber tractography is a cornerstone of neuroimaging, enabling the detailed mapping of the brain's white matter pathways through diffusion MRI. This is crucial for understanding brain connectivity and function, making it a valuable tool in…

Machine Learning · Computer Science 2024-11-15 Ankita Joshi , Ashutosh Sharma , Anoushkrit Goel , Ranjeet Ranjan Jha , Chirag Ahuja , Arnav Bhavsar , Aditya Nigam

Accurate segmentation of brain tissue in magnetic resonance images (MRI) is a diffcult task due to different types of brain abnormalities. Using information and features from multimodal MRI including T1, T1-weighted inversion recovery…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Yongpei Zhu , Zicong Zhou , Guojun Liao , Qianxi Yang , Kehong Yuan

White matter tract segmentation is crucial for studying brain structural connectivity and neurosurgical planning. However, segmentation remains challenging due to issues like class imbalance between major and minor tracts, structural…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Anoushkrit Goel , Bipanjit Singh , Ankita Joshi , Ranjeet Ranjan Jha , Chirag Ahuja , Aditya Nigam , Arnav Bhavsar

Diffusion tensor imaging (DTI) plays a key role in analyzing the physical structures of biological tissues, particularly in reconstructing fiber tracts of the human brain in vivo. On the one hand, eigenvalues of diffusion tensors (DTs)…

Applications · Statistics 2013-04-18 Tao Yu , Chunming Zhang , Andrew L. Alexander , Richard J. Davidson

Planning of radiotherapy involves accurate segmentation of a large number of organs at risk, i.e. organs for which irradiation doses should be minimized to avoid important side effects of the therapy. We propose a deep learning method for…

Image and Video Processing · Electrical Eng. & Systems 2019-07-04 Pawel Mlynarski , Hervé Delingette , Hamza Alghamdi , Pierre-Yves Bondiau , Nicholas Ayache

With the development of Deep Neural Networks (DNNs), many efforts have been made to handle medical image segmentation. Traditional methods such as nnUNet train specific segmentation models on the individual datasets. Plenty of recent…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Xiaobao Wei , Jiajun Cao , Yizhu Jin , Ming Lu , Guangyu Wang , Shanghang Zhang

White matter tract microstructure has been shown to influence neuropsychological scores of cognitive performance. However, prediction of these scores from white matter tract data has not been attempted. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Yuqian Chen , Fan Zhang , Chaoyi Zhang , Tengfei Xue , Leo R. Zekelman , Jianzhong He , Yang Song , Nikos Makris , Yogesh Rathi , Alexandra J. Golby , Weidong Cai , Lauren J. O'Donnell

Gliomas are the most common malignant brain tumors that are treated with chemoradiotherapy and surgery. Magnetic Resonance Imaging (MRI) is used by radiotherapists to manually segment brain lesions and to observe their development…

Image and Video Processing · Electrical Eng. & Systems 2020-11-30 Jonas Wacker , Marcelo Ladeira , José Eduardo Vaz Nascimento

State-of-the-art brain tumor segmentation is based on deep learning models applied to multi-modal MRIs. Currently, these models are trained on images after a preprocessing stage that involves registration, interpolation, brain extraction…

Image and Video Processing · Electrical Eng. & Systems 2022-12-29 Bruno Machado Pacheco , Guilherme de Souza e Cassia , Danilo Silva

Background: Regarding the importance of right diagnosis in medical applications, various methods have been exploited for processing medical images solar. The method of segmentation is used to analyze anal to miscall structures in medical…

Image and Video Processing · Electrical Eng. & Systems 2019-07-24 Amir Javadpour , Alireza Mohammadi

The brain's white matter (WM) undergoes developmental and degenerative processes during the human lifespan. To investigate the relationship between WM anatomical regions and age, we study diffusion magnetic resonance imaging tractography…

Neurons and Cognition · Quantitative Biology 2023-07-06 Yuxiang Wei , Tengfei Xue , Yogesh Rathi , Nikos Makris , Fan Zhang , Lauren J. O'Donnell

Accurate segmentation of punctate white matter lesion (PWML) in infantile brains by an automatic algorithm can reduce the potential risk of postnatal development. How to segment PWML effectively has become one of the active topics in…

Image and Video Processing · Electrical Eng. & Systems 2019-07-02 Yalong Liu , Jie Li , Ying Wang , Miaomiao Wang , Xianjun Li , Zhicheng Jiao , Jian Yang , Xingbo Gao

Accurate automatic segmentation of brain anatomy from $T_1$-weighted~($T_1$-w) magnetic resonance images~(MRI) has been a computationally intensive bottleneck in neuroimaging pipelines, with state-of-the-art results obtained by unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Amod Jog , Bruce Fischl

The extraction of fibers from dMRI data typically produces a large number of fibers, it is common to group fibers into bundles. To this end, many specialized distance measures, such as MCP, have been used for fiber similarity. However,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-20 Kuldeep Kumar , Pietro Gori , Benjamin Charlier , Stanley Durrleman , Olivier Colliot , Christian Desrosiers