Description: Digital watermarking can be used to do this, based on digital watermarking contourlet code, which source code, the main function in main.m, run directly on the line.
To Search:
File list (Check if you may need any files):
contourlet_toolbox
..................\1.bmp
..................\backsamp.m
..................\barbara.png
..................\bj.jpg
..................\ChangeLog
..................\computescale.m
..................\Contents.m
..................\COPYING
..................\decdemo.m
..................\denoisedemo.m
..................\dfbdec.m
..................\dfbdec_l.m
..................\dfbimage.m
..................\dfbrec.m
..................\dfbrec_l.m
..................\dfilters.m
..................\dup.m
..................\efilter2.m
..................\extend2.m
..................\fbdec.m
..................\fbdec_l.m
..................\fbrec.m
..................\fbrec_l.m
..................\ffilters.m
..................\ld2quin.m
..................\ldfilter.m
..................\Lena.jpg
..................\lpdec.m
..................\lprec.m
..................\main.asv
..................\main.m
..................\mctrans.m
..................\modulate2.m
..................\nlademo.m
..................\nlademo2.m
..................\p1.jpg
..................\p2.jpg
..................\p3.jpg
..................\pdfb2vec.m
..................\pdfbdec.asv
..................\pdfbdec.m
..................\pdfbrec.m
..................\pdfb_nest.m
..................\pdfb_tr.m
..................\pdown.m
..................\peppers.png
..................\pfilters.m
..................\pic
..................\...\1
..................\...\.\1.bmp
..................\...\.\Thumbs.db
..................\...\2
..................\...\.\1.bmp
..................\...\.\2.bmp
..................\...\.\3.bmp
..................\...\.\4.bmp
..................\...\.\Thumbs.db
..................\...\3
..................\...\.\1.bmp
..................\...\.\2.bmp
..................\...\.\3.bmp
..................\...\.\4.bmp
..................\...\.\5.bmp
..................\...\.\6.bmp
..................\...\.\7.bmp
..................\...\.\8.bmp
..................\...\.\Thumbs.db
..................\...\4
..................\...\.\1.bmp
..................\...\.\2.bmp
..................\...\.\3.bmp
..................\...\.\4.bmp
..................\...\.\5.bmp
..................\...\.\6.bmp
..................\...\.\7.bmp
..................\...\.\8.bmp
..................\...\.\Thumbs.db
..................\...\5
..................\...\.\1.bmp
..................\...\.\10.bmp
..................\...\.\11.bmp
..................\...\.\12.bmp
..................\...\.\13.bmp
..................\...\.\14.bmp
..................\...\.\15.bmp
..................\...\.\16.bmp
..................\...\.\2.bmp
..................\...\.\3.bmp
..................\...\.\4.bmp
..................\...\.\5.bmp
..................\...\.\6.bmp
..................\...\.\7.bmp
..................\...\.\8.bmp
..................\...\.\9.bmp
..................\...\.\Thumbs.db
..................\...\6
..................\...\.\1.bmp
..................\...\.\2.bmp
..................\...\.\3.bmp
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