close all;clear all;i=imread('Penguins.jpg');imshow(i);meth='gbl_mmc_h';option='c';

[CR,BPP]=wcompress(option,i,'mask.jpg',meth,'bpp',0.5);option='u';xc=wcompress(option,'mask.jpg');colormap(pink(255));imshow(i);title('Original Image');figure;

image(xc);title('compression by global thresholding');

xlabel({['Compression Ratio: ' num2str(CR,'%1.2f %%')], ... ['BPP: ' num2str(BPP,'%3.2f')]});

meth2='ezw'; wname='haar';nbloop=4;[CR,BPP]=wcompress('c',i,'mask.wtc',meth2,'maxloop',nbloop,'wname',wname);Xc=wcompress('u','mask.wtc');colormap(pink(255));figure;image(Xc);title('Compressed Image - 6 steps');xlabel({['Compression Ratio: ' num2str(CR,'%1.2f %%')], ... ['BPP: ' num2str(BPP,'%3.2f')]});figure;imshow(i);