Detecting False Coins With Mouse Sensors

[Arizona Coin Collector]

FROM:
http://www.gizmodo.com.au/2009/11/detecting-false-coins-with-mouse-sensors/

Detecting False Coins With Mouse Sensors

By Jesus Diaz
November 18, 2009 at 10:03 AM

A team of Spanish researchers at the University
of Lleida have developed a way to detect false
coins using a mouse's optical sensors. The
system works comparing patterns in two euro
coins, which at the ongoing exchange is about
$US15,302.

(Image of Sample Coin and Scanner)
http://cache.gawker.com/assets/images/gizmodo/2009/11/1258378134_0.jpg

The system rotates the coin, sampling its surface
using the 30 x 30 pixel resolution optical sensor.
Then it compares it to a stored model, giving you
the nay or the yay with more accuracy than anyone,
or about the same accuracy as an expert.

..

[Bob]

On Nov 17, 11:13 pm, "Arizona Coin Collector" <nos...@nospam.com>
wrote:
> FROM:http://www.gizmodo.com.au/2009/11/detecting-false-coins-with-mouse-se...

>
> Detecting False Coins With Mouse Sensors
>
> By Jesus Diaz
> November 18, 2009 at 10:03 AM
>
> A team of Spanish researchers at the University
> of Lleida have developed a way to detect false
> coins using a mouse's optical sensors. The
> system works comparing patterns in two euro
> coins, which at the ongoing exchange is about
> $US15,302.
>

> Something went bad wrong with the math here, since 2 euros is a lot closer to US $3 than US $15,302. Even accepting the European convention of using a comma for a decimal point, 2 euros doesn't make it to US $15.302 either. I can only assume that Mr. Diaz looked at the wrong column in the newspaper.

Bob