On Fri, Dec 01, 2017 at 17:12:38 +0000, Will Price wrote:

> If you visually compare frames 1 and 2 then to the human eye they
> look impercetibly different, yet the diff shows that there is a
> difference.

That's certainly due to lossy encoding. Even if the input frames were
identical (assuming for a moment that's what the GoPro is doing),
their actual bitwise content will be different, unless encoding
losslessly.

Moritz
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