Re: Improve contrast with ASINHSCL [message #75739] |
Mon, 11 April 2011 13:57 |
penteado
Messages: 866 Registered: February 2018
|
Senior Member Administrator |
|
|
On Apr 11, 5:50 pm, Gray <grayliketheco...@gmail.com> wrote:
> On Apr 11, 4:07 pm, Paulo Penteado <pp.pente...@gmail.com> wrote:
>
>> On Apr 11, 4:44 pm, Bringfried Stecklum <steck...@tls-tautenburg.de>
>> wrote:
>
>>> For what concerns dynamic-range stretching in an astronomical context you might
>>> have a look here
>
>>> http://cosmo.nyu.edu/hogg/visualization/
>
>> Interesting. I have been working on related issues, and will be soon
>> trying out the code and reading the papers.
>
> These are very interesting, but not so helpful for me -- I only have 1
> color! :)
Yes, that is the case with the images I was working most. But multi-
channel mapping is also a problem I have been experimenting with.
|
|
|
Re: Improve contrast with ASINHSCL [message #75740 is a reply to message #75739] |
Mon, 11 April 2011 13:50  |
Gray
Messages: 253 Registered: February 2010
|
Senior Member |
|
|
On Apr 11, 4:07 pm, Paulo Penteado <pp.pente...@gmail.com> wrote:
> On Apr 11, 4:44 pm, Bringfried Stecklum <steck...@tls-tautenburg.de>
> wrote:
>
>> For what concerns dynamic-range stretching in an astronomical context you might
>> have a look here
>
>> http://cosmo.nyu.edu/hogg/visualization/
>
> Interesting. I have been working on related issues, and will be soon
> trying out the code and reading the papers.
These are very interesting, but not so helpful for me -- I only have 1
color! :)
|
|
|
|
Re: Improve contrast with ASINHSCL [message #75742 is a reply to message #75741] |
Mon, 11 April 2011 12:44  |
Bringfried Stecklum
Messages: 75 Registered: January 1996
|
Member |
|
|
Gray wrote:
> Hi all,
>
> Can anyone tell me how to improve contrast when I'm asinh scaling and
> image? The tip on idlcoyote.com doesn't really go into it. I'm
> assuming it has to do with the beta parameter, but I'm not sure
> how... Thanks!
>
> --Gray
For what concerns dynamic-range stretching in an astronomical context you might
have a look here
http://cosmo.nyu.edu/hogg/visualization/
Perhaps it helps as well.
regards, Bringfried
|
|
|