>>>>> "Mischa" == Mischa Schirmer <mischa@MPA-Garching.MPG.DE> writes:
Mischa> In fact, the synthetic luminance layer will never be equal
Mischa> to an unfiltered image. This would require filters with
Mischa> 100 per cent transmission, and a full coverage of the
Mischa> spectral range without overlap or gaps.
Yes, but I consider that secondary; it's an efficiency thing. What I
had in mind (and didn't say) was that the filter envelope may look
very much like an unfiltered image, or at least like one with a very
wide passband.
roland
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