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Re: Fill in a logic image: possible in IDL ?

Subject: Re: Fill in a logic image: possible in IDL ?
From: Ivan Zimine <ivan.zimine(at)physics.unige.ch>
Date: Mon, 16 Apr 2001 18:41:52 +0200
Newsgroups: comp.lang.idl-pvwave
Organization: HUG
References: <3B0B8966@MailAndNews.com> <3AD969AE.1A198238@physics.unige.ch> <DGiC6.6818$FY5.549074@www.newsranger.com>
Xref: news.doit.wisc.edu comp.lang.idl-pvwave:24570

jsilva@ci.uc.pt wrote:
> 
> Hello
> To explain what I?m trying to do about a FILL in a logic image, I give an
> example (see the Computer Tomography lung image in
> http://www.ci.uc.pt/pessoal/jsilva/idl_fill.jpg )
> Thanks in advance for any suggestion.
> Jose Silva
> Physics Dep., FCTUC, Portugal
> 

mask = byte(median(image gt 50, 9))
roi = search2d(mask, 0, 510, 0, 0)
msk1 = mask*0b
msk1[roi] = 1
roi = search2d(mask, 27, 32, 0, 0)
msk2 = mask*0b
msk2[roi] = 1

back_mask = msk1 or msk2
image_mask = 1 - back_mask


-- 
Ivan Zimine                   |   ivan.zimine@physics.unige.ch
Dpt. of Radiology             |   (+41 22) 372 70 70
Geneva University Hospitals   |

References:
- Fill in a logic image: possible in IDL ?
  - From: Jose Silva
- Re: Fill in a logic image: possible in IDL ?
  - From: Ivan Zimine
- Re: Fill in a logic image: possible in IDL ?
  - From: jsilva

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