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Abstract for lawn_tr138

Cambridge University Engineering Department Technical Report CUED/F-INFENG/TR138


Jonathan Lawn and Roberto Cipolla

July 1993

Determining the motion of a camera from its image sequences has so far proved very difficult, and no practical algorithms have been found for freely moving cameras. This novel algorithm is based on motion parallax, but uses sparse visual motion estimates to extract the direction of translation of the camera directly, after which determination of the camera rotation and the depths of the image features follows easily. This method can also detect and reject independent motion, and provide a measure of the uncertainty of its estimates.

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