Re: Profiling with i1 Photo Pro: UV Cut or not?
Re: Profiling with i1 Photo Pro: UV Cut or not?
- Subject: Re: Profiling with i1 Photo Pro: UV Cut or not?
- From: edmund ronald <email@hidden>
- Date: Wed, 13 Jul 2011 00:19:07 +0200
Two channels, one for calibration. Light would be brought to sample by fiber
attached to head, thereby solving the gloss/flare issue. . Light constancy
would be the responsibility of the operator.
Anyway, I think I've seen some such contrivances around. Did you ever take
apart an EyeOne?
On Tue, Jul 12, 2011 at 11:43 PM, Klaus Karcher <email@hidden>wrote:
> edmund ronald wrote:
>
>> My contribution: I see no reason why a spectro cannot work with an
>> external light source, even room light, given fiber optic technology.
>>
>
> Calibration? Gloss? Flare? Reproducibility? Measurement conditions
> (measurement geometry, temporal constancy of external light)?
>
> Getting results /repeatable/ in the ∆E < 1 or just < 3 ... 5 range with
> (arbitrary) external light sources is no walk in the park -- that's for
> sure.
>
> Klaus
>
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