In this study we present an image analysis methodology capable of quantifying morphological changes in tissue collagen fibril organization caused by pathological conditions. Texture analysis based on first-order statistics (FOS) and second-order statistics parameters such as gray-level co-occurrence matrices (GLCM) were explored to extract features from second-harmonic generation (SHG) images that are associated with the structural and biochemical changes of tissue collagen networks. Based on these extracted quantitative parameters, multi-group classification of SHG images was performed and we showed that the proposed methodology can be applied to a wide range of conditions involving collagen remodeling, such as in skin disorders, different types of fibrosis, and muscular-skeletal diseases affecting ligaments and cartilage.
Image texture analysis to characterize changes in collagen networks
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Research Area: Disease Biology, Tissue Microstructure, Biophotonics and Image Analysis
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