[argyllcms] Re: Best way to proceed?

On 2008 Jun 1, at 11:24 AM, Hal V. Engel wrote:


On Saturday 31 May 2008 15:53:29 Ben Goren wrote:
> To make matters worse, some of the woods are very slightly iridescent, 
> and change luminance (mostly) and hue (slightly) rather noticeably
> with shifting lighting angles....
I don't think this is iridescence but rather it is the characteristics of the wood grain which is a 3D structrure [. . . .]
Whatever the physics behind it -- and your description certainly makes sense -- it's a /huge/ part of the problem here. Indeed, some of the pieces use exactly the kind of maple you used as an example.
I just finished shooting some example pictures. The scene is identical. The first shot is with only the left light on; the second, both lights; and the third, only the right. Both lights are at a 45o angle, both to the side and above. I've made no attempts at correction; these are Camera Raw's defaults with the white balance taken from a grey card.

JPEG image

JPEG image

JPEG image



I've come to realize that I'm screwed....
I've ordered a SoLux light that should be here late this coming week. I've resigned myself to the fact that I'm just gonna have to hunker down and hand-adjust each image to get the best compromise I can live with. 

(Unless, of course, somebody comes up with a miracle fix....)

<sigh>

Cheers,

b&

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