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Fast and accurate image registration using Tsallis entropy and simultaneous perturbation stochastic approximation

Martin, S. and Morison, G.H. and Nailon, W.H. and Durrani, T.S. (2001) Fast and accurate image registration using Tsallis entropy and simultaneous perturbation stochastic approximation. Electronics Letters, 40 (10). pp. 595-597. ISSN 0013-5194

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Abstract

The Tsallis measure of mutual information is combined with the simultaneous perturbation stochastic approximation algorithm to register images. It is shown that Tsallis entropy can improve registration accuracy and speed of convergence, compared with Shannon entropy, in the calculation of mutual information. Simulation results show that the new algorithm achieves up to seven times faster convergence and four times more precise registration than using a classic form of entropy.