On 10/4/07, Matt Mahoney <[EMAIL PROTECTED]> wrote:
> Lossless video compression would not get far.  The brightness of a pixel
> depends on the number of photons striking the corresponding CCD sensor.  The
> randomness due to quantum mechanics is absolutely incompressible and makes up
> a significant fraction of the raw data.

Suppose 50% is the absolute max you can get - that's still worth
having, in cases where you don't want to throw away data.

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