Publications by authors named "Yiang Pan"

Objective: This study aims to accurately extract the visual pathway (VP) from multimodal MR images while minimizing reliance on extensive labeled data and enhancing extraction performance.

Method: We propose a novel approach that incorporates a Modality-Relevant Feature Extraction Module (MRFEM) to effectively extract essential features from T1-weighted and fractional anisotropy (FA) images. Additionally, we implement a mean-teacher model integrated with dual uncertainty-aware ambiguity identification (DUAI) to enhance the reliability of the VP extraction process.

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Article Synopsis
  • The corticospinal tract (CST) is essential for voluntary body movement control and is organized by body part representation.
  • This study evaluates six tractography methods, including probabilistic and deterministic approaches, to analyze the CST's structure and organization using diffusion MRI data from 100 subjects.
  • The unscented Kalman filter approach (UKF2T) shows the best performance in reconstructing the CST and is notably linked to the volume of motor cortex areas for different body parts, highlighting the importance of advanced imaging techniques in understanding brain function.
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Freezing of gait (FOG) is a gait disorder that usually occurs in advanced stages of Parkinson's disease (PD). Understanding the underlying mechanism of FOG is important for treatment and prevention. Previous studies have investigated white matter (WM) structure to explore the pathology of FOG.

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The human visual pathway starts from the retina, passes through the retinogeniculate visual pathway, the optic radiation, and finally connects to the primary visual cortex. Diffusion MRI tractography is the only technology that can noninvasively reconstruct the visual pathway. However, complete and accurate visual pathway reconstruction is challenging because of the skull base environment and complex fiber geometries.

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