Raman Spectroscopic Histology Using Machine Learning for Non-Alcoholic Fatty Liver Disease.
FEBS LETTERS(2019)
摘要
Histopathology requires the expertise of specialists to diagnose morphological features of cells and tissues. Raman imaging can provide additional biochemical information to benefit histological disease diagnosis. Using a dietary model of nonalcoholic fatty liver disease in rats, we combine Raman imaging with machine learning and information theory to evaluate cellular-level information in liver tissue samples. After increasing signal-to-noise ratio in the Raman images through superpixel segmentation, we extract biochemically distinct regions within liver tissues, allowing for quantification of characteristic biochemical components such as vitamin A and lipids. Armed with microscopic information about the biochemical composition of the liver tissues, we group tissues having similar composition, providing a descriptor enabling inference of tissue states, contributing valuable information to histological inspection.
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关键词
machine learning,nonalcoholic fatty liver disease,Raman hyperspectral imaging,rate-distortion theory,superpixel segmentation
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