Fun weekend but still stuck

Anthea and I had a fun weekend with a trip to Leads castle and some wine tasting at the oldest winery in Kent (yeah, apparently the English make wine đŸ˜‰ leads castle was great. It has really beautiful grounds and the castle itself is very pretty and we managed to conquer the maze which was fun. They also had about 20 or so birds of prey sitting out on their perches waiting for the falconry display at 1:30 (which we missed unfortunately) and it was really cool to see some of these magnificent birds up close.

I received a little parcel from Amazon on Friday. I’ve finally got my second camera so should be doing real stereo vision soon. I am still COMPLETELY stuck on deriving the rotation from two sets of points using least squares however. I have a set of 3d co-ordinates which represent a set of features observed at time t1, and then I have another set of 3d co-ordinates which represent the same features at time t2. What I am trying to do is establish the translation and rotation of the camera platform between time t1 and t2. The translation is easy, but the rotation is giving me a real headache! I know I need to use a least squares minimisation, but the actual implementation escapes me. It is getting pretty annoying now too as this has held me up for a couple of weeks now. In the unlikely event that anyone reading this knows how to do this can you please contact me!

Ah well, back to reading Math world and my perpetual state of confusion :-/

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