Description: Laplacian Pyramid: Based on MATLAB, original codes realize the improved Laplacian Pyramid Decomposition and the method to embed hidden information into images.Codes show its significance in embedding hidden info into images.
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File list (Check if you may need any files):
laplacian pyramid\laplacian pyramid\cameraman.tif
.................\.................\DWT.m
.................\.................\embedtest.m
.................\.................\filtdn.m
.................\.................\image\pic.tif
.................\.................\.....\picins.tif
.................\.................\imageshow.m
.................\.................\lena128.bmp
.................\.................\lena256.bmp
.................\.................\license.txt
.................\.................\lp2vec.m
.................\.................\lpd.m
.................\.................\lpdec1.m
.................\.................\lpdemo.m
.................\.................\lpdemo_improve_system_hifreq.m
.................\.................\lpdemo_improve_system_lofreq.m
.................\.................\lpdemo_improve_system_lofreq_revise.m
.................\.................\lpdemo_original.m
.................\.................\lpr.m
.................\.................\lprec1.m
.................\.................\lprec1_old.m
.................\.................\lpr_old.m
.................\.................\..toolbox\filtdn.m
.................\.................\.........\imageshow.m
.................\.................\.........\license.txt
.................\.................\.........\lp2vec.m
.................\.................\.........\lpd.m
.................\.................\.........\lpdec1.m
.................\.................\.........\lpdemo.m
.................\.................\.........\lpr.m
.................\.................\.........\lprec1.m
.................\.................\.........\lprec1_old.m
.................\.................\.........\lpr_old.m
.................\.................\.........\pfilters.m
.................\.................\.........\README
.................\.................\.........\SNR.m
.................\.................\.........\upfilt.m
.................\.................\.........\vec2lp.m
.................\.................\lptoolbox.zip
.................\.................\pfilters.m
.................\.................\README
.................\.................\SNR.m
.................\.................\test.m
.................\.................\upfilt.m
.................\.................\vec2lp.m
.................\readme.txt
.................\laplacian pyramid\image
.................\.................\lptoolbox
.................\laplacian pyramid
laplacian pyramid
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