[NetBehaviour] Facecoin

[Annie Abrahams]

Maybe now Michael, you can explain it to me ....


On Sun, Jan 19, 2014 at 1:19 PM, Michael Szpakowski <szpako at yahoo.com>wrote:

>
> Rob
> This is sleek and smart work! I like it very much ( although I did have to
> do quite a lot of googling to fully understand what you were doing...)
> best wishes
>
> michael
>
>   ------------------------------
>  *From:* Rob Myers <rob at robmyers.org>
> *To:* NetBehaviour for networked distributed creativity <
> netbehaviour at netbehaviour.org>
> *Sent:* Saturday, January 18, 2014 9:36 PM
> *Subject:* [NetBehaviour] Facecoin
>
> http://robmyers.org/facecoin/
>
> Click here to run a visualization in your web browser:
>
> http://robmyers.org/wp-content/uploads/2014/01/facecoin.html
>
> Cryptocurrencies such as Bitcoin use a "proof of work" system to prevent
> abuse.
>
> Artworks are proofs of aesthetic work.
>
> Facecoin uses machine pareidolia as its proof of work. This is
> implemented by applying CCV’s JavaScript face detection algorithm to
> SHA-256 digests represented as greyscale pixel maps. An
> industrial-strength version would use OpenCV. Due to the limitations of
> face detection as implemented by these libraries, the digest pixel map
> is upscaled and blurred to produce images of the size and kind that they
> can find faces in.
>
> The difficulty can be varied by altering the size and blur of the
> pixmap. Or by only allowing particular detected face bounds rectangles
> to be used a set number of times.
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