comp.lang.idl-pvwave archive - RDF feed
type: channel
description: Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado
items: contrast enhancement
items: Re: contrast enhancement

contrast enhancement
type: item
description: hello all, I want contrast enhancement in order to identify features in solar images. So i used histogram equalisation (hist_equal.pro). But it is not proper for the features near the limb. So do anybody used any other contrast enhancement methods. thanks
creator: gunvicsin11
date: 2016-08-31T10:55:42-00:00

Re: contrast enhancement
type: item
description: On Wednesday, August 31, 2016 at 12:55:52 PM UTC+2, sin wrote: > hello all, > I want contrast enhancement in order to identify features in solar images. So i used histogram equalisation (hist_equal.pro). But it is not proper for the features near the limb. > > So do anybody used any other contrast enhancement methods. > thanks Hi, I don't know about solar images, but here you find loads of options: http://www.idlcoyote.com/ip_tips/xstretch.php Good reference. Cheers, Helder
creator: Helder Marchetto
date: 2016-08-31T13:31:35-00:00

Re: contrast enhancement
type: item
description: On Wednesday, August 31, 2016 at 7:01:37 PM UTC+5:30, Helder wrote: > On Wednesday, August 31, 2016 at 12:55:52 PM UTC+2, sin wrote: >> hello all, >> I want contrast enhancement in order to identify features in solar images. So i used histogram equalisation (hist_equal.pro). But it is not proper for the features near the limb. >> >> So do anybody used any other contrast enhancement methods. >> thanks > > Hi, > I don't know about solar images, but here you find loads of options: > http://www.idlcoyote.com/ip_tips/xstretch.php > > Good reference. > > Cheers, Helder thanks a lot helder, it was of great help.
creator: gunvicsin11
date: 2016-09-02T04:12:58-00:00