File list (Check if you may need any files):
pre_process_gui\get_jiajiao.m
...............\imscale.m
...............\mark.m
...............\minutie.m
...............\my_gui.m
...............\my_gui.fig
...............\normalize_image.m
...............\ori_finger.m
...............\otsu_threshold.m
...............\pad_image.m
...............\pattern.m
...............\prepro.m
...............\prepro_1.m
...............\segment_print.m
...............\smoothen_orientation_field.m
...............\adapt.m
...............\align_polar.m
...............\blk_orientation_image.m
...............\complex_gradient.m
...............\compute_region_mask.m
...............\directional_filter.m
...............\do_gabor_filtering.m
...............\example.m
...............\extract.m
...............\feture.m
...............\filter_frequency_image.m
...............\find_8.m
...............\find_n.m
...............\find_peak_distance.m
...............\find_tx_point.m
...............\finger.m
...............\gabor_kernel.m
...............\get_angle.m
...............\get_angle360.m
...............\get_angledis.m
...............\fen_ge.m
pre_process_gui