Discrete Markov image modeling and inference on the quadtree
IEEE Transactions on Image Processing
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Solar sunspot rotation, latitudinal bands are studied based on intelligent computation methods. The benefices of image fusion and powerful tree decomposition are used in this study in order to achieve quantitative values about the latitudes of trajectories that sunspots rotate on them Daily solar images taken with SOHO satellite are fused for each month and the result of fused image is decomposed with Quad Tree decomposition method in order to achieve the precise information about latitudes of sunspot trajectories. Such analysis is useful for gathering information about the regions on sun surface and coordinates in space that is more expose to solar geomagnetic storms, tremendous flares and hot plasma gases permeate interplanetary space and help human to serve their technical systems. Here sunspot images in September, November and October in 2001 are used for studying the magnetic behavior of sun.