> From: June Kim <[EMAIL PROTECTED]>
>
> You'll see a black&white picture but it'll look like a full-colored picture.
>
> http://effbot.org/zone/ponies.htm
>
> Python code to generate the illusion is linked on that page.
>
> Translating that code into J would be interesting (which I'll do when
> I get free time)
The two images are: inverted chroma and luminosity.
It uses the memory effect of the retina when it fatigues and
preserves inverse image for some time, which in this case
overlaps with the second (luminance) to get a full color
image illusion.
There's YUV transforms in media/image3 addon.
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