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How to put probabilities on homographies

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2 Author(s)
Begelfor, E. ; Dept. of Comput. Sci., Hebrew Univ., Jerusalem, Israel ; Werman, M.

We present a family of "normal" distributions over a matrix group together with a simple method for estimating its parameters. In particular, the mean of a set of elements can be calculated. The approach is applied to planar projective homographies, showing that using priors defined in this way improves object recognition.

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:27 ,  Issue: 10 )