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huwevansModerator
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Reged: 05/08/2000
Posts: 15408
Loc: Dorset, UK
Re: Bayer matrix improvement?
      01/05/2008 00:30

Only if they are band-stop filters - you're now talking about them being band-pass instead. Your magenta one at the very least must be a band-stop if its going to cut green whilst passing both red and blue.

But it's worse than that - even if you do make the yellow and cyan filters band-pass (and yes, in principle you could) then for them both to register the two nearest primary colours with significant response you'll be talking about a really large bandwidth, presumably with quite sharp roll-off, and that means you're going to have very poor ability to discriminate between frequencies within a pass-band. Possibly none at all.

So all in all it just isn't going to replicate the way that the human eye sees. Granted there are applications which don't require to do that, but for conventional photographic purposes we normally do, and the RGB array is designed essentially for that purpose.

--------------------
Huw Evans.



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Entire topic
Subject Posted by Posted on
* Bayer matrix improvement? beejaybee 30/04/2008 11:26
. * * Re: Bayer matrix improvement? huwevansModerator   30/04/2008 18:09
. * * Re: Bayer matrix improvement? beejaybee   30/04/2008 19:31
. * * Re: Bayer matrix improvement? huwevansModerator   30/04/2008 20:14
. * * Re: Bayer matrix improvement? beejaybee   30/04/2008 23:39
. * * Re: Bayer matrix improvement? huwevansModerator   01/05/2008 00:30
. * * Re: Bayer matrix improvement? beejaybee   01/05/2008 09:22
. * * Re: Bayer matrix improvement? huwevansModerator   01/05/2008 10:40
. * * Re: Bayer matrix improvement? beejaybee   01/05/2008 13:14
. * * Re: Bayer matrix improvement? FenModerator   01/05/2008 14:34
. * * Re: Bayer matrix improvement? huwevansModerator   01/05/2008 14:42
. * * Re: Bayer matrix improvement? huwevansModerator   01/05/2008 14:28
. * * Re: Bayer matrix improvement? OneTen   30/04/2008 20:47
. * * Re: Bayer matrix improvement? LargeFormat   01/05/2008 18:40
. * * Re: Bayer matrix improvement? huwevansModerator   01/05/2008 18:55
. * * Re: Bayer matrix improvement? OneTen   02/05/2008 11:56
. * * Re: Bayer matrix improvement? Nod   01/05/2008 19:00
. * * Re: Bayer matrix improvement? DaveS   12/05/2008 12:53
. * * Re: Bayer matrix improvement? daft_bikerModerator   30/04/2008 21:47
. * * Re: Bayer matrix improvement? Terrywoodenpic   30/04/2008 18:24
. * * Re: Bayer matrix improvement? LargeFormat   30/04/2008 13:59
. * * Re: Bayer matrix improvement? beejaybee   30/04/2008 15:30

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