matlab
......\1.jpg
......\2-afreq.m
......\ideal_lp.m
......\lap.doc
......\lap.fig
......\lap.m
......\lap1.m
......\prewitt.m
......\work
......\....\encap.m
......\....\lap.m
......\....\ori.m
......\....\pri.m
......\....\zh.jpg