**comp.graphics.algorithms**

## Subject: **Re: 3D rotation estimate via least squares**

Jason Grant wrote:

> I need to estimate a camera orientation given only its relative

> orientation with regard to some other cameras, and where the relative

> orientations are not exact. For example, I would like to arrive at a

> linear system of the form shown below, so that I can solve for C2 via

> least squares:

Oh, you want to determine camera orientation given several

pictures of the same thing, right?

There are vision algorithms for that. I think there's one in

the Open Source Computer Vision Library on Sourceforge.

John Nagle

Animats

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