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Mon, 13 December 2010 06:07

Kenneth P. Bowman
Messages: 585
Registered: May 2000

Senior Member

In article
<0024991c-25e2-4425-bc21-0246de73298a@r29g2000yqj.googlegroups.com>,
burton449 <burton449@gmail.com> wrote:

> Hello everybody,
>
> as mentionned in the topic, i want to do a Butterworth Band-Pass
> Filter on a 9166 X 4600 pixels image.
>
> The doc of butterworth.pro in the astrolib explain how to use the
> script for a lowpass filter, but not for a band-pass and a high-pass.
>
> Have any idea how to do?
> Thanks
>
> Max

You can look at Chap. 25 in my book

http://www.amazon.com/Introduction-Programming-IDL-Interacti ve-Language/dp/012088559X/ref=sr_1_1?ie=UTF8&s=books& ;qid=1292249166&sr=8-1

It goes through the 1-D case in some detail. If you understand that,
the extension to the 2-D case is not difficult.

Ken Bowman

		Butterworth Band-Pass Filter By: burton449 on Sat, 11 December 2010 20:35
		Re: Butterworth Band-Pass Filter By: Kenneth P. Bowman on Mon, 13 December 2010 06:07
		Re: Butterworth Band-Pass Filter By: David Fanning on Sun, 12 December 2010 09:36

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