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An algorithm for the fusion of images based on Jaynes' maximum entropy method

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This work offers a new algorithm for the fusion of images for improving the spatial resolution of multispectral images, using the concepts of entropy of information and a priori probability. The algorithm is based on Jaynes' maximum entropy method and starts from a previous modelling of the fusion of data as an operation in which a series of probabilities are designated at a micro-scale in terms of average statistical values at a macro-scale, which are those recorded by the image with the lowest spatial resolution. The theoretical base of the model is presented, its practical implementation is explained, a complete description allowing reproduction of the analysis is offered and the results of fusing Landsat Thematic Mapper (TM) images with IRS-1D Pan are shown.

Document Type: Research Article


Publication date: February 25, 2002

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