[OSGeo-Discuss] Finding position based on horizon profile?

[Stephen Woodbridge]

On 3/28/2011 4:48 PM, Michael P. Gerlek wrote:
> Consider the following hypothetical problem:
>
> Assume we have a good elevation data set for a large region of the earth --
> say, an entire mountain range.  Now let's say we have a photograph taken
> from the ground, the horizon of which shows the profile of a couple of the
> mountains in that range.  Can you tell me where the photograph was taken
> from?
>
> Any pointers to research in this area would be appreciated.

Micheal,

Does this help?
http://www.google.com/#q=matching++"terrain+profile"

-Steve