Vision-based estimation of airborne target pseudobearing rate using hidden Markov model filters
Lai, John S., Ford, Jason J., Mejias, Luis, & O'Shea, Peter J. (2013) Vision-based estimation of airborne target pseudobearing rate using hidden Markov model filters. IEEE Transactions on Aerospace and Electronic Systems, 49(4), pp. 2129-2145.
The problem of estimating pseudobearing rate information of an airborne target based on measurements from a vision sensor is considered. Novel image speed and heading angle estimators are presented that exploit image morphology, hidden Markov model (HMM) filtering, and relative entropy rate (RER) concepts to allow pseudobearing rate information to be determined before (or whilst) the target track is being estimated from vision information.
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