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Date: Sun, 29 Aug 2004 23:04:36 +0200
To: Albert Cahalan <albert@users.sf.net>
Cc: linux-kernel mailing list <linux-kernel@vger.kernel.org>,
       rlrevell@joe-job.com, clemtaylor@comcast.net, qg@biodome.org,
       rogers@isi.edu
Subject: Re: reverse engineering pwcx
Message-ID: <20040829210436.GA24350@hh.idb.hist.no>
References: <1093709838.434.6797.camel@cube>
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From: Helge Hafting <helgehaf@aitel.hist.no>
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On Sat, Aug 28, 2004 at 12:17:19PM -0400, Albert Cahalan wrote:
> > The LavaRnd guys examined the pixels on the actual
> > CCD chip.  It's 160x120.  The 'decompression' is
> > just interpolation.
> 
> First of all, it's not a CCD chip. It's CMOS.
> 
> Now, here's a Bayer pattern:
> 
> RG
> GB
> RGRGR
> GBGBG
> RGRGR
> GBGBG
> 
> Don't put much faith in the 160x120 number.

There's no need for faith or speculation here.
Put the chip under a microscope and count the pixels,
or rather measure their size and estimate their number.

Helge Hafting