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Figure 3 | Chinese Medicine

Figure 3

From: Computerized tongue image segmentation via the double geo-vector flow

Figure 3

Tongue image initialization. From left to right: first, the four special tongue points corresponding to the first image in Figure 2; second, rescaling of the refined tongue image depending on the special tongue points; third, contour initialization; fourth, the level set function (matrix) is initialized for the under part of the tongue image with a negative constant (ρ > 0) inside the contour (red region) and a positive value outside the contour; fifth, image denoting the region initialization with the binary image for the upper part.

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