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The Application Of Rate Distortion Theory To Image Registration

The theory of rate distortion is applied to the problem of image registration in this paper. The reference and sensed images are treated as the two ends of a communication channel with the correlation function of the two images assigned the role of the cost or distortion measure. Then it is shown that rate distortion theory can be used to derive the best possible registration. The significance of this approach is that it leads to the design of optimum matching systems and the evaluation of the performance of those systems that are suboptimum.