PixInsight Forum (historical)

PixInsight => Wish List => Topic started by: Neutronman on 2010 August 06 08:56:49

Title: More Luminance Masks!
Post by: Neutronman on 2010 August 06 08:56:49

I love the luminance mask feature in the ACDNR tool, but why is the luminance mask not available in other tools???  It would certainly cut down on a lot of mask creation.  Just curious.

Title: Re: More Luminance Masks!
Post by: Nocturnal on 2010 August 06 10:14:16

Actually I think the question should be reversed. Given how easy it is to create and manipulate an L mask, why have it integrated into ACDNR? :)

Title: Re: More Luminance Masks!
Post by: Carlos Milovic on 2010 August 06 10:29:39

I guess it is a remanent from SGBNR ;)

Title: Re: More Luminance Masks!
Post by: Nocturnal on 2010 August 06 12:46:22

Actually I figured out a reason why the L mask in ACDNR is easier to use than generating an L mask separately. With the preview check box checked it's easy to see what will get protected with the current mask settings. Switching the RTP on and off allows you to blink between image and mask.

I think the answer is that we need an L-mask process with RTP and wavelet smoothing.

Title: Re: More Luminance Masks!
Post by: Neutronman on 2010 August 06 16:06:07

Well, I withdraw my wish  :P

I just discovered why masks make more sense than a dedicated lume mask tool a la ACDNR -- repeatability.  Having applied noise reduction to the extreme dim areas on an image, the dim areas have lightened. Now I want to use curves to pull these areas back down... oops.  Gotta create a mask, and it won't match exactly what I did with the ACDNR tool  :(

Title: Re: More Luminance Masks!
Post by: Niall Saunders on 2010 August 07 03:32:29

I tend to agree with Sander - a truly flexible masking system that operates independently of all Processes is likely to be more useful than a masking system that works 'quite well' inside a single Process.

For example, I have NEVER been able to use the Lum-mask inside HDRWT - I always now create a mask of my own and apply HDRWT through that mask.

Something for Juan to consider as future development perhaps . . .

Cheers,

Title: Re: More Luminance Masks!
Post by: Harry page on 2010 August 08 12:15:09

Hi

Here's one for you,  I like how you can make a luminance mask in ACDNR so here's what I do

1) Make a clone of the image you want to make a mask for
2) Open ACDNR and activate the real time preview and check the preview box
3) create a lum mask to you choice
4) Close the real time preview and leave the preview checked  as above and apply to your clone

And vola a mask you can use on your original image

Might be of help might not


Harry

Title: Re: More Luminance Masks!
Post by: Nocturnal on 2010 August 08 13:32:55

Hi Harry,

thanks for the reminder. I actually thought it was a bit of a bug that you could apply the L mask preview to the image but it does come in handy like you described.