Image orientation and color information with PIL?

[Jeff Epler]

On Mon, Jul 18, 2005 at 10:55:42AM -0600, Ivan Van Laningham wrote:
> How are you going to determine the orientation of an image without
> sophisticated image analysis? There is research on automatic image
> orientation detection.
[...]
> If you write it I'll use it;-)

There's research going on in this area.  Here are a few papers:
    http://www.dcs.shef.ac.uk/teaching/eproj/msc2004/abs/m3zs2.htm
    http://research.microsoft.com/research/pubs/view.aspx?pubid=918
there are probably many others.

I considered implementing one of these algorithms back in 2003 or so,
but instead I bought a digital camera with an orientation sensor.

Jeff
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