Mtex, Sem Ebsd, Microstructure, Image Analysis, Shape Descriptors.
boundary reconstruction (border grain boundaries were removed). From left to right, not smoothed grain boundaries and with 1, 3, and 6 levels of Laplacian smoothing. Upper row, step size of 1 micron. Lower row, step size of 2 microns. As can be deduced from Table 1, MTEX estimates the perimeters by