From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/69625 Path: news.gmane.org!not-for-mail From: Taco Hoekwater Newsgroups: gmane.comp.tex.context Subject: Re: CMYK colors not as expected Date: Wed, 29 Jun 2011 16:10:46 +0200 Message-ID: <4E0B3266.6090801@elvenkind.com> References: <4E0B2FBB.9080000@elvenkind.com> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1309356669 11801 80.91.229.12 (29 Jun 2011 14:11:09 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 29 Jun 2011 14:11:09 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Wed Jun 29 16:11:05 2011 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from balder.ntg.nl ([195.12.62.10]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1QbvTs-0003es-Fs for gctc-ntg-context-518@m.gmane.org; Wed, 29 Jun 2011 16:11:04 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id B798ACAE39; Wed, 29 Jun 2011 16:11:03 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id D1y4pwcQwBpk; Wed, 29 Jun 2011 16:11:00 +0200 (CEST) Original-Received: from balder.ntg.nl (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id EF9B6CADB8; Wed, 29 Jun 2011 16:10:59 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 16100CADB8 for ; Wed, 29 Jun 2011 16:10:59 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id bnFZ4Fa6G200 for ; Wed, 29 Jun 2011 16:10:48 +0200 (CEST) Original-Received: from filter2-ams.mf.surf.net (filter2-ams.mf.surf.net [192.87.102.70]) by balder.ntg.nl (Postfix) with ESMTP id 25C58CAD8B for ; Wed, 29 Jun 2011 16:10:48 +0200 (CEST) Original-Received: from pilot.elvenkind.com (elvenknd.xs4all.nl [82.95.203.226]) by filter2-ams.mf.surf.net (8.14.3/8.14.3/Debian-5+lenny1) with ESMTP id p5TEAlkd026246 for ; Wed, 29 Jun 2011 16:10:47 +0200 Original-Received: from localhost (pilot.elvenkind.com [127.0.0.1]) by pilot.elvenkind.com (Postfix) with ESMTP id 561C68F2; Wed, 29 Jun 2011 16:07:29 +0200 (CEST) X-Virus-Scanned: amavisd-new at localhost.localdomain Original-Received: from pilot.elvenkind.com ([127.0.0.1]) by localhost (pilot.elvenkind.com [127.0.0.1]) (amavisd-new, port 10025) with LMTP id vnVd-FAM7FSa; Wed, 29 Jun 2011 16:07:28 +0200 (CEST) Original-Received: from glenlivet.elvenkind.com (glenlivet.elvenkind.com [10.10.0.6]) by pilot.elvenkind.com (Postfix) with ESMTP id D761F161; Wed, 29 Jun 2011 16:07:28 +0200 (CEST) User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.14) Gecko/20101022 Mandriva/3.0.9-0.1mdv2010.1 (2010.1) Thunderbird/3.0.9 In-Reply-To: <4E0B2FBB.9080000@elvenkind.com> X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=82.95.203.226; country=NL; region=11; city=Capelle; latitude=51.9333; longitude=4.5833; http://maps.google.com/maps?q=51.9333,4.5833&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0rF1OaLd1 - 4fbee3b2cf4c - 20110629 X-Scanned-By: CanIt (www . roaringpenguin . com) on 192.87.102.70 X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.12 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: ntg-context-bounces@ntg.nl Errors-To: ntg-context-bounces@ntg.nl Xref: news.gmane.org gmane.comp.tex.context:69625 Archived-At: On 06/29/11 15:59, Taco Hoekwater wrote: > > The wiki page has equations to convert YCbCr to RGB. > I have no idea what the 'K' component in your CLUT > is supposed to be. >From some patent(?) doc, it seems this is a multiplier for the Cb and Cr values... ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________