I prepared a multiscale edge detection example, the method is : 1, the first three images scale wavelet transform; 2, wavelet coefficients for the modulus value and gradient direction; 3 to determine the maximum value model, the candidate edge points; 4, through the inverse transform Synthesis of 3 Scale model of the extreme images;

mulscal_edge
............\abs_c.asv
............\ada_thr.asv
............\ada_thr.m
............\combi.m
............\dayu_c.m
............\edge_link.asv
............\edge_link.m
............\guiyi.m
............\local_max_dujiaoxian.m
............\local_max_mode.asv
............\local_max_mode.m
............\max_c.m
............\mulscale_edge.asv
............\mulscale_edge.m
............\mul_c.m
............\rank_c.asv
............\rank_c.m
............\sub_m.m
............\zhengxing.m

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