>>> But SIOX is supposed to be more than a selection tool, isn't it? Isn't
>>> it about extracting foreground objects? A selection is not enough for that
>>> when the foreground consists of transparent pixels.
>> SIOX is a tool to create a selection, nothing more. I don't see what a
>> foreground extraction tool should do besides selecting the foreground.
>> Perhaps you can explain this?
> Consider a completely red background with a slightly blurred green filled
> circle in the foreground [1]. If you want to extract the green foreground
> object you need to get rid of the red in the pixels with both red and
> green, but you can't do that with only a selection.
> A good foreground selection tool would need to get rid of the red in the
> pixels with both red and green and only leave slightly transparent green
> pixels.

Absolutely. And this is exactly what Jenny has implemented as part of
the Google Summer of Code.
(So until now SIOX was 'only a selection tool' but now it's not
anymore -- at least once Jenny's code
makes it's way into the main branch)


Dr. Gerald Friedland
International Computer Science Institute
1947 Center Street, Suite 600
CA-94704 Berkeley, USA
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