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Six-bit DPCM video signal processing and implementation using systolic arrays

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2 Author(s)
Ibrahim, M.K. ; Nottingham Univ., UK ; Aggoun, A.

A novel approach to increase the speed and reduce the hardware requirement of 2-D systolic convolvers for real-time video signal/image processing is proposed. This is achieved by coding video signals/images more efficiently using six-bit 1-D DPCM coding. It is shown that using six-bit differential pulse-code modulation processing results in a 57% improvement in speed and a significant saving in the cost of 2-D systolic convolvers. The effect of quantisation errors on DPCM image convolution is also presented.

Published in:

Electronics Letters  (Volume:26 ,  Issue: 16 )