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Re: Quoting accuracy of color measurement instruments
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Re: Quoting accuracy of color measurement instruments


  • Subject: Re: Quoting accuracy of color measurement instruments
  • From: Graeme Gill <email@hidden>
  • Date: Wed, 31 Oct 2007 22:57:59 +1100

David Scharf wrote:

Are you saying that the iOne reads 3 overlapping bands at 3.5 nm and then applies the 3 readings after they have been averaged and calibration corrected, to one 10 nm band?

Conceptually, but it's more refined than that, the 3.5 nm samples are resampled using a sync like resampling filter to 10nm. This means that there is some measure of deconvolution (or "sharpening") happening, as well as due attention to wavelength calibration, smoothness and uniformity of the overall wavelength response.

Graeme Gill.
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References: 
 >Quoting accuracy of color measurement instruments (From: tom lianza <email@hidden>)
 >Re: Quoting accuracy of color measurement instruments (From: David Scharf <email@hidden>)
 >Re: Quoting accuracy of color measurement instruments (From: Graeme Gill <email@hidden>)
 >Re: Quoting accuracy of color measurement instruments (From: David Scharf <email@hidden>)

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