sift - 最终版
.............\appendimages.m
.............\box.pgm
.............\box.sift
.............\circle.pgm
.............\circle.sift
.............\do_descriptor.m
.............\do_diffofg.m
.............\do_extrefine.m
.............\do_gaussian.m
.............\do_localmax.m
.............\do_match.m
.............\do_orientation.m
.............\do_sift.m
.............\imreadbw.m
.............\main.m
.............\plotmatches.m
.............\plotsiftframe.m
.............\plotss.m
.............\sift_demo.m
.............\sift算法详解.pdf
.............\smooth.m