comp.lang.idl-pvwave archive
Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado

Home » Public Forums » archive » Re: Uneven background correction
Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend 
Return to the default flat view Create a new topic Submit Reply
Re: Uneven background correction [message #52468 is a reply to message #52467] Thu, 08 February 2007 08:43 Go to previous message
Karsten Rodenacker is currently offline  Karsten Rodenacker
Messages: 98
Registered: July 1997
Member
If the background patches are larger than the bright spots:

st=byte(shift(dist(2*rad+1),rad,rad) le rad) ; rad=max radius of the
spots
xxx=morph_tophat(image,st,/gray,/preserve)
Regards
KR

Am Thu, 08 Feb 2007 16:14:05 +0100 schrieb rpertaub@gmail.com
<rpertaub@gmail.com>:

> How do you correct for an uneven background? Say your image is bright
> spots on a bakground that is patchy dark to brighter areas, how do you
> make the background even? (if you can!)
> Thanks
> rp
>



--
Erstellt mit Operas revolutionᅵrem E-Mail-Modul: http://www.opera.com/m2/
[Message index]
 
Read Message
Read Message
Previous Topic: Uneven background correction
Next Topic: What are the errors in the FFT?

-=] Back to Top [=-
[ Syndicate this forum (XML) ] [ RSS ] [ PDF ]

Current Time: Sat Oct 11 06:04:09 PDT 2025

Total time taken to generate the page: 0.08311 seconds