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jpegprotected

  • Category : Special Effects
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  • Update : 2012-11-26
  • Size : 185kb
  • Downloaded :0次
  • Author :neethu******
  • About : Nobody
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Introduction - If you have any usage issues, please Google them yourself
clc img = imread( lena.bmp ) JPEG compression jpegcompression(img, lena_compressed.mat ) JPEG decompression Irec = jpegrestoration( lena_compressed.mat ) System performances [CR,BPP,PSNR,MSE,SNR] = systemperformances(img,Irec, lena_compressed.mat ) Plotting figure,subplot(1,2,1),imshow(img),title( Original image ),... subplot(1,2,2),imshow(Irec),title( Compressed image ) disp( Compression ratio: ) disp(CR) disp( Bits per pixel: ) disp(BPP) disp( Peak signal to noise ratio: ) disp(PSNR) disp( Mean squared error: ) disp(MSE) disp( Signal to noise ratio ) disp(SNR)
Packet file list
(Preview for download)
jpegprotected\1.jpg
.............\colorconversion.p
.............\jpegcompression.p
.............\jpegrestoration.p
.............\lena_compressed.mat
.............\systemperformances.m
.............\test_main.m
.............\untitled.fig
jpegprotected
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