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:
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.


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