image_detect_edges 6928 src/image.c      image_detect_edges (f, img, emboss_matrix, 0xffff / 2);
image_detect_edges 6939 src/image.c      image_detect_edges (f, img, laplace_matrix, 45000);
image_detect_edges 6978 src/image.c        image_detect_edges (f, img, trans, XFLOATINT (color_adjust));