Thank you Marti for your reply.

I did try the Perceptual intent but I am losing color accuracy.

Coming back to BPC, I do know the input profile. Is there a way to get the
black values from the input profile and apply it to the output profile?

Kind Regards
Vinod

----------------------------------------------------------------
Vinod Panangat | Color Engineer II | Vertis Communications
2010 Westridge Drive | Irving, Texas 75038
T 972.373.4037 | F 972.373.4000 | C 469.387.3705
vpanan...@vertisinc.com | http://www.vertisinc.com




On 8/22/11 1:36 PM, "marti.ma...@littlecms.com"
<marti.ma...@littlecms.com> wrote:

>
>Hi,
>
>BPC is just "make the output black to match the input black", so if you
>have only the output profile then there is no way to know what input black
>is.
>You miss half of the equation, and without the input profile you cannot
>know which is the black to map.
>
>But fear not, perceptual intent *does* have an automatic BPC that works
>without input profile. How? by forcing both, source and destination to
>have
>a fake black of zero in the PCS, then the input black is mapped to this
>fake zero and this fake zero goes mapped to the output profile. So, you
>can
>get BPC by just using perceptual intent. Unfortunately perceptual does
>other gamut mapping adjusts too.
>
>Regards
>Marti
>
>
>Original Message:
>-----------------
>From: Panangat, Vinod vpanan...@vertisinc.com
>Date: Fri, 19 Aug 2011 13:47:44 -0400
>To: lcms-user@lists.sourceforge.net
>Subject: [Lcms-user] Ouput Profile - Apply BPC
>
>
>Hello
>
>The RIP I'm using for color workflow doesn't support Black Point
>Compensation (BPC). I was wondering if there is a way to apply BPC to an
>output profile?
>
>I saw that ICC has two flavors of sRGB V4 profile on their website one
>with
>BPC and the other without. So thinking in those same lines, I was hoping
>that there might be a way to apply the BPC directly into an output
>profile.
>
>Appreciate any help you can provide.
>
>Thanks!
>----------------------------------------------------------------
>Vinod Panangat | Color Engineer II | Vertis Communications
>2010 Westridge Drive | Irving, Texas 75038
>T 972.373.4037 | F 972.373.4000 | C 469.387.3705
>vpanan...@vertisinc.com | http://www.vertisinc.com
>
>
>--------------------------------------------------------------------
>mail2web.com ­ Enhanced email for the mobile individual based on
>Microsoft®
>Exchange - http://link.mail2web.com/Personal/EnhancedEmail
>
>


------------------------------------------------------------------------------
uberSVN's rich system and user administration capabilities and model 
configuration take the hassle out of deploying and managing Subversion and 
the tools developers use with it. Learn more about uberSVN and get a free 
download at:  http://p.sf.net/sfu/wandisco-dev2dev
_______________________________________________
Lcms-user mailing list
Lcms-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/lcms-user

Reply via email to