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Related papers: Robust thalamic nuclei segmentation from T1-weight…

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Accurate segmentation of thalamic nuclei is important for better understanding brain function and improving disease treatment. Traditional segmentation methods often rely on a single T1-weighted image, which has limited contrast in the…

Image and Video Processing · Electrical Eng. & Systems 2024-09-12 Anqi Feng , Zhangxing Bian , Blake E. Dewey , Alexa Gail Colinco , Jiachen Zhuo , Jerry L. Prince

Motivation: Lack of tools for comprehensive and complete segmentation of deep grey nuclei using a single software for reproducibility and repeatability Goal(s): A fast accurate and robust method for segmentation of deep grey nuclei…

Image and Video Processing · Electrical Eng. & Systems 2025-03-31 Manojkumar Saranathan , Giuseppina Cogliandro , Thomas Hicks , Dianne Patterson , Behroze Vachha , Alberto Cacciola

The thalamus and its constituent nuclei are critical for a broad range of cognitive and sensorimotor processes, and implicated in many neurological and neurodegenerative conditions. However, the functional involvement and specificity of…

Image and Video Processing · Electrical Eng. & Systems 2023-09-27 Brendan Williams , Dan Nguyen , Julie Vidal , Alzheimer's Disease Neuroimaging Initiative , Manojkumar Saranathan

Thalamic alterations are relevant to many neurological disorders including Alzheimer's disease, Parkinson's disease and multiple sclerosis. Routine interventions to improve symptom severity in movement disorders, for example, often consist…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Veronica Corona , Jan Lellmann , Peter Nestor , Carola-Bibiane Schoenlieb , Julio Acosta-Cabronero

Purpose: Thalamic nuclei are largely invisible in conventional MRI due to poor contrast. Thalamus Optimized Multi-Atlas Segmentation (THOMAS) provides automatic segmentation of 12 thalamic nuclei using white-matter-nulled (WMn) MPRAGE…

Image and Video Processing · Electrical Eng. & Systems 2020-06-30 Ritobrato Datta , Micky K. Bacchus , Dushyant Kumar , Mark A. Elliott , Aditya Rao , Sudipto Dolui , Ravinder Reddy , Brenda L Banwell , Manojkumar Saranathan

Accurate segmentation of thalamic nuclei from magnetic resonance images is important due to the distinct roles of these nuclei in overall brain function and to their differential involvement in neurological and psychiatric disorders.…

Image and Video Processing · Electrical Eng. & Systems 2025-12-08 Anqi Feng , Zhangxing Bian , Samuel W. Remedios , Savannah P. Hays , Blake E. Dewey , Alexa Colinco , Jiachen Zhuo , Dan Benjamini , Jerry L. Prince

Accurate thalamic nuclei segmentation is crucial for understanding neurological diseases, brain functions, and guiding clinical interventions. However, the optimal inputs for segmentation remain unclear. This study systematically evaluates…

Image and Video Processing · Electrical Eng. & Systems 2025-08-19 Anqi Feng , Zhangxing Bian , Samuel W. Remedios , Savannah P. Hays , Blake E. Dewey , Jiachen Zhuo , Dan Benjamini , Jerry L. Prince

The human thalamus is a highly connected subcortical grey-matter structure within the brain. It comprises dozens of nuclei with different function and connectivity, which are affected differently by disease. For this reason, there is…

The thalamus is a subcortical structure of central importance to brain function, which is organized in smaller nuclei with specialized roles. Despite significant functional and clinical relevance, locating and distinguishing the different…

The thalamus is a subcortical gray matter structure that plays a key role in relaying sensory and motor signals within the brain. Its nuclei can atrophy or otherwise be affected by neurological disease and injuries including mild traumatic…

Image and Video Processing · Electrical Eng. & Systems 2023-02-02 Chang Yan , Muhan Shao , Zhangxing Bian , Anqi Feng , Yuan Xue , Jiachen Zhuo , Rao P. Gullapalli , Aaron Carass , Jerry L. Prince

Thalamic nuclei have been implicated in several neurological diseases. WMn-MPRAGE images have been shown to provide better intra-thalamic nuclear contrast compared to conventional MPRAGE images but the additional acquisition results in…

Machine Learning · Computer Science 2020-12-18 Lavanya Umapathy , Mahesh Bharath Keerthivasan , Natalie M. Zahr , Ali Bilgin , Manojkumar Saranathan

A cascaded multi-planar scheme with a modified residual U-Net architecture was used to segment thalamic nuclei on conventional and white-matter-nulled (WMn) magnetization prepared rapid gradient echo (MPRAGE) data. A single network was…

Image and Video Processing · Electrical Eng. & Systems 2020-08-26 Mohammad S Majdi , Mahesh B Keerthivasan , Brian K Rutt , Natalie M Zahr , Jeffrey J Rodriguez , Manojkumar Saranathan

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 implication of the thalamus in multiple neurological pathologies makes it a structure of interest for volumetric analysis. In the present work, we have designed and implemented a multimodal volumetric deep neural network for the…

Segmentation and quantification of white matter hyperintensities (WMHs) are of great importance in studying and understanding various neurological and geriatric disorders. Although automatic methods have been proposed for WMH segmentation…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Dakai Jin , Ziyue Xu , Adam P. Harrison , Daniel J. Mollura

Magnetic resonance imaging (MRI) provides varying tissue contrast images of internal organs based on a strong magnetic field. Despite the non-invasive advantage of MRI in frequent imaging, the low contrast MR images in the target area make…

Image and Video Processing · Electrical Eng. & Systems 2020-06-11 Mohammad Hamghalam , Baiying Lei , Tianfu Wang

The thalamus consists of several histologically and functionally distinct nuclei increasingly implicated in brain pathology and important for treatment, motivating the need for development of fast and accurate thalamic segmentation. The…

Image and Video Processing · Electrical Eng. & Systems 2019-12-19 Charles Iglehart , Martin Monti , Joshua Cain , Thomas Tourdias , Manojkumar Saranathan

Deep learning methods have significantly advanced medical image segmentation, yet their success hinges on large volumes of manually annotated data, which require specialized expertise for accurate labeling. Additionally, these methods often…

Image and Video Processing · Electrical Eng. & Systems 2024-09-04 Wangang Cheng , Guanghua He , Keli Hu , Mingyu Fang , Liang Dong , Zhong Li , Hancan Zhu

The hypothalamus plays a crucial role in the regulation of a broad range of physiological, behavioural, and cognitive functions. However, despite its importance, only a few small-scale neuroimaging studies have investigated its…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Santiago Estrada , David Kügler , Emad Bahrami , Peng Xu , Dilshad Mousa , Monique M. B. Breteler , N. Ahmad Aziz , Martin Reuter
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