how to extract green ,red & blue sub images from a jpeg image

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hi friend I want to separate an green ,blue & red sub image from an jpeg image to work on each sub image is there any method to separate the image in c# please help me.

Posted 15-Sep-11 20:37pm

maheshpardeshi

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Tejas Vaishnav 16-Sep-11 2:49am

What you want to do..
like crop or any thing else

please give some detail

maheshpardeshi 16-Sep-11 3:55am

I want to divide a jpeg image into four sub groups two green sub image,one red sub image & one blue sub image.

Sergey Alexandrovich Kryukov 23-Sep-11 19:06pm

It depends on what UI library you use, WPF or System.Drawing (which is usually used with System.Windows.Forms but could be used in WPF with extra effort)? Always tag such things. The answer depends on this information.
--SA

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OriginalGriff · Accepted Answer · 2011-09-15T21:08:00

Solution 1

Google found this: Image Processing Lab in C#[^] which (among a huge number of other things) can do that.

Posted 15-Sep-11 21:08pm

OriginalGriff

Comments

maheshpardeshi 16-Sep-11 3:54am

I have seen that I does not want it I want to separate green sub image from original jpeg image

OriginalGriff 16-Sep-11 5:15am

If you look at the code, you might find the ExtractChannel method. Now, I wonder what that does...Nope, can't think, myself...

BillWoodruff 16-Sep-11 11:08am

OriginalGriff has just handed you the "key" to the solution you seek. What more do you want ?