Hi Martin,

unfortunately I don't have any example code to share right now...
I've seen from wikipedia that c++ and matlab implementation exist, maybe you can take a look.

I can guarantee that if you have good feature points, the algorithm is going to run fast and give good results. I had done a lot of work to extract "significant" feature points from my clouds.

What I can also suggest is to try some of the variants suggested here, they really improve speed and stability: Efficient Variants of the ICP Algorithm <http://graphics.stanford.edu/papers/fasticp/> <http://graphics.stanford.edu/papers/fasticp/>

Good luck!
Ricky


On 29/04/2009 15.13, Martin Beckett wrote:
In my application I know that the points are an almost perfect match - I just 
need to snap two models together based on key points.

ICP is good for fitting surfaces together (although there are a bunch of other 
relaxation type algorithms that work).

I was mainly looking for something that could be implemented fairly simply 
rather than having to include the whole of CGAL or LAPACK.

Martin

ps. If you have some ICP example code - that would be great!

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