Re: [Lcms-user] Using LAB profiles in the real world

2010-06-24 Thread Richard Hughes
On 24 June 2010 10:05, Kai-Uwe Behrmann wrote: > You mean abstract profiles. Assumedly you do not want Lab as output. > Place the abstract or effect profile between source and destination > profile and create a multi profile transform. > e.g. sRGB(image) -> effect(sepia) -> output device(monitor)

Re: [Lcms-user] Using LAB profiles in the real world

2010-06-24 Thread jcupitt
On 24 June 2010 08:58, Richard Hughes wrote: > On 24 June 2010 08:37, Pavel Kanzelsberger wrote: >> basically if your image is not yet in Lab, you would need to do the >> conversion from RGB (source image) to Lab ... but then of course you can't >> display Lab pixels on your RGB monitor, so you

Re: [Lcms-user] Using LAB profiles in the real world

2010-06-24 Thread Kai-Uwe Behrmann
You mean abstract profiles. Assumedly you do not want Lab as output. Place the abstract or effect profile between source and destination profile and create a multi profile transform. e.g. sRGB(image) -> effect(sepia) -> output device(monitor) kind regards Kai-Uwe Behrmann Am 23.06.2010 19:26, sch

Re: [Lcms-user] Using LAB profiles in the real world

2010-06-24 Thread Richard Hughes
On 24 June 2010 08:37, Pavel Kanzelsberger wrote: > basically if your image is not yet in Lab, you would need to do the > conversion from RGB (source image) to Lab ... but then of course you can't > display Lab pixels on your RGB monitor, so you need to convert again from Lab > to RGB (monitor

Re: [Lcms-user] Using LAB profiles in the real world

2010-06-24 Thread Pavel Kanzelsberger
Hi, basically if your image is not yet in Lab, you would need to do the conversion from RGB (source image) to Lab ... but then of course you can't display Lab pixels on your RGB monitor, so you need to convert again from Lab to RGB (monitor profile). Pavel On 23.6.2010, at 19:26, Richard Hugh

[Lcms-user] Using LAB profiles in the real world

2010-06-23 Thread Richard Hughes
GCM currently allows users to install LAB profiles like "Sepia" and "Grayscale" but doesn't actually do anything useful with them. I'm intending to show the user a preview of what the profile would look like. To do this, I've got a RGB image that I want to "process" using the LAB space ICC profile,