– H. Rabiei (INT-I2M) : The graph windowed Fourier transform : a tool to quantify the gyrification of the cerebral cortex

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Date/heure
Date(s) - 18 septembre 2015

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Abstract : The Gyrification Index (GI) quantifies the amount of folding\nof a cortical surface. In this talk, we show the efficiency of spectral\nanalysis to perform such a task, and in particular we explain how the\ngraph windowed Fourier transform can be used as a tool to define new\nGIs with multiscale properties. We propose two different GIs and study\ntheir effect on a set of subjects whose cortical surfaces are modeled with\ntriangular meshes.[