A registration method is developed based on an A* algorithm inconjunction with a 2D autoregressive model used for imagerepresentation. The A* algorithm serves for obtaining the initial pixelswhich used further for determining the innovation process. Prior to thisstep the 2D autoregressive parameters are calculated using an initialset of pixels from the original image. The error measured between theinnovation and the primitive pixels of the subject image is thenconsidered as the exact function for the A* algorithm. The process isrecursively applied until the whole set of primitives is registered. Anexample illustrates the approach
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