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IN RECENT YEARS, a new class of applications, requiring the transfer of digital video data, has emerged. Among the most technologically challenging are satellite-based geographical information systems that transmit high-resolution image sequences from various types of image sensors. To meet the available channel rate, these systems use video compression formats similar to those recommended by the ITU-T H.263 and ISO MPEG-2 standards. 1,2 The systems require arithmetic performance ranging from 1doi:10.1109/54.980049 fatcat:vlbkbi7esnehtgcnp4df4qzvae