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A multiresolution representation for video signals is introduced. A three-dimensional spatiotemporal pyramid algorithms for high-quality compression of advanced television sequences is presented. The scheme utilizes a finite memory structure and is robust to channel errors, provides compatible subchannels, and can handle different scan formats, making it well suited for the broadcast environment. Additional features such as fast random access and reverse playback make it suitable for digital storage as well. Model-based processing is used both over space and time, where motion-based interpolation is used. Interpolation in an FIR (finite impulse response) scheme solves uncovered area problems, considerably improving the temporal prediction. The complexity is comparable to that of previous recursive schemes. Computer simulations indicate that high compression factors (about an order of magnitude) are easily achieved with no apparent loss of quality. The scheme also has a number of commonalities with the emerging MPEG standard.>
Uz et al. (Fri,) studied this question.
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