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Re: Image subtraction [message #11670 is a reply to message #11659]

Mon, 18 May 1998 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

FRANCOIS LAROSE (aah904@agora.ulaval.ca) writes:

> I need to do some image subtraction. With IDL, if I only do
> Image1 - image2 and I get poor result. Does it have best code to
> do image subtraction?

Poor result how? Can't see it? Doesn't look like what
you expect? Don't believe the results?

Try this:

TV, BytScl(image1 - image2, top=!D.N_Colors-1)

Does that help?

> PS If you know a good package of image analisys in IDL, just let me know!

How much would you be willing to pay for this? :-)

David

-----------------------------------------------------------
David Fanning, Ph.D.
Fanning Software Consulting
E-Mail: davidf@dfanning.com
Phone: 970-221-0438
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: Image subtraction By: pford on Thu, 21 May 1998 00:00
		Re: Image subtraction By: FRANCOIS LAROSE on Tue, 19 May 1998 00:00
		Re: Image subtraction By: davidf on Mon, 18 May 1998 00:00

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