On 6 Lug, 22:26, Div=F3s P=E9ter <pdi...@[EMAIL PROTECTED]
> wrote:
> Hey guys,
>
> I am looking for an algorithm to perform inverse 3d projection. What I
> mean by inverse 3d projection is the following:
> I got perspective 2d projections of single 3d points. In every
> projection I know only the 2d coordintes of the points, I can identify
> each point in each projection, but the parameters of the projection
> (camera position and angle) are unknown.
> It is a bit like microsoft photosynth, but much easier because the 2d
> points are identified.
>
> If you could please give me some links or keywords about this topic...
>
> many thanks
> Peter
This is known as camera auto-calibration. It is explained eg in
Hartley & Zisserman, Multiple view geometry in computer vision,
chapter 19.
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