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Re: how to make a mask from a picture and how to put... [message #38415 is a reply to message #38411]

Thu, 04 March 2004 05:50

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

tom writes:

> I want to make a mask from an image containing only some regions of that
> picture. I already have a black and white image containing these regions.
> How can I make a mask of it?
> in order to merge it with or to lay it over an RGB-Image to see only the
> selected regions from that RGB-Image?
> thank you very much!

Here is an article that describes how to make as mask.
If your RGB image is 2D, just apply it as described.
If your RGB image is 24-bit, apply the mask to all three
2D image planes.

http://www.dfanning.com/ip_tips/xroi.html

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: how to make a mask from a picture and how to put... By: Thomas Nehls on Thu, 04 March 2004 10:56
		Re: how to make a mask from a picture and how to put... By: David Fanning on Thu, 04 March 2004 09:25
		Re: how to make a mask from a picture and how to put... By: Thomas Nehls on Thu, 04 March 2004 08:57
		Re: how to make a mask from a picture and how to put... By: David Fanning on Thu, 04 March 2004 05:50

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