Re: Accuray of EyeOnePro
Re: Accuray of EyeOnePro
- Subject: Re: Accuray of EyeOnePro
- From: Klaus Karcher <email@hidden>
- Date: Wed, 31 Oct 2007 01:04:25 +0100
Robin Myers wrote:
OK, I will try to explain why companies are probably not going to
give you absolute performance metrics.
Thank you very much for your remarks.
Measuring color is in the same class as measuring temperature [...]
Measuring temperature is the most inaccurate and lowest in precision
of all our measurements. [...]
The upshot of all this is that the measurement accuracy of a
spectrometer varies with [...] and a myriad of other factors. This
makes it incredibly difficult for a manufacturer to specify their
devices in the way request by Mr. Breton. Reporting the measurement
error as an average and maximum delta-E value
[compared to a not specified manufacturing standard under conditions
removed from reality]
is about as simply as the error can be reduced.
It appears poor, doesn't it?
Klaus Karcher
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