Compression Ratio

Get the compression ratio

Description

a)Read an image
 b)Copy the image to another file
 c)Get the image information
 d)Find the compression ratio for the copied image

• Required Products: Image Processing Toolbox
• MATLAB release: MATLAB 7 (R14)

[Dimitri Shvorob]

If you post this one-liner, why not make it a function?

Full contents:

% % Program No:1
% Matlab functions for the following
% a)Read an image
% b)Copy the image to another file
% c)Get the image information
% d)Find the compression ratio for the copied image

f=imread('crystal.jpg');
imwrite(f,'crystal1.jpg');
k=imfinfo('crystal.jpg');
ib=k.Width*k.Height*k.BitDepth/8;
cb=k.FileSize;
cr=ib/cb

[pri ya]

 

[pra v]

how to Watching this File of compressiion ratio

[dcn e&c]

program to read an image in horizantal and zig zag faction