Jeff Cunningham wrote:
The problem with the "regular" devices (no filter), is that the amount
of UV energy from the spectrophotometer's lamp is unlikely to match that
of your viewing environment, and so the fabric will fluoresce
differently, again giving a different visual appearance from what you're
measuring. Some profiling packages have tried correcting for this in
software, although I don't know how well this would work, if at all.
Correcting for fluorescence in the white medium using conventional (non-UV filter)
instruments is possible. Properly reading fluorescence inks is (as far as I know)
not possible unless the light source of the instrument matches the intended
viewing conditions, or you use a bispectral instrument.
Graeme Gill.
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