Peer-Reviewed Publication
Med Phys2025;52(4):2123-2144.April 1, 2025Journal Article

Label-efficient sequential model-based weakly supervised intracranial hemorrhage segmentation in low-data non-contrast CT imaging.

Shreyas H Ramananda1, Vaanathi Sundaresan1
1Department of Computational and Data Sciences, Indian Institute of Science, Bangalore, Karnataka, India.

Abstract

BACKGROUND: In clinical settings, intracranial hemorrhages (ICH) are routinely diagnosed using non-contrast CT (NCCT) in emergency stroke imaging for severity assessment. However, compared to magnetic resonance imaging (MRI), ICH shows low contrast and poor signal-to-noise ratio on NCCT images. Accurate automated segmentation of ICH lesions using deep learning methods typically requires a large nu…

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