A technique for geometrical processing of multi-sensoral and multispectral satellite images for the purposes of change detection studies is presented here. The technique involves geometrical rectification (geocoding), and image registration with two-dimensional image correlation. The application of the technique has been demonstrated in an area within the Niger Sahel in West Africa. The study was conducted with MSS and TM image data. The procedure results in image registration accuracy of 0.28pixel, which in this instance is good for change detection purposes.
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J. I. Igbokwe (1999) studied this question.
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