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Precise matching of 3-D target models to multisensor data

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2 Author(s)
Stevens, M.R. ; Dept. of Comput. Sci., Colorado State Univ., Fort Collins, CO, USA ; Beveridge, J.R.

This paper presents a three-dimensional (3-D) model-based ATR algorithm that operates simultaneously on imagery from three heterogeneous, approximately boresight aligned sensors. An iterative search matches models to range and optical imagery by repeatedly predicting detectable features, measuring support for these features in the imagery, and adjusting the transformations relating the target to the sensors in order to improve the match. The result is a locally optimal and globally consistent set of 3-D transformations that precisely relate the best matching target features to combined range, IR, and color images. Results show the multisensor algorithm recovers 3-D target pose more accurately than does a traditional single-sensor algorithm. Errors in registration between images are also corrected during matching. The intended application is imaging from semiautonomous military scout vehicles

Published in:

Image Processing, IEEE Transactions on  (Volume:6 ,  Issue: 1 )

Date of Publication:

Jan 1997

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