Title :
Noisy forced zero padded DPCM prediction
Author :
Quinn, D. ; Lacy, J.
Author_Institution :
Silicon & Software Syst. Ltd., Dublin, Ireland
fDate :
6/18/1992 12:00:00 AM
Abstract :
An enhanced DPCM compression algorithm is described which combines the use of dither within the predictor feedback loop and a prediction technique called ´forced zero padding´ whereby a three level DPCM encoder is forced to output zeros in multiples of a ´padding value´.
Keywords :
data compression; encoding; filtering and prediction theory; picture processing; pulse-code modulation; DPCM compression algorithm; DPCM prediction; differential PCM; dithered images; forced zero padding; image processing; noisy type; predictor feedback loop; three level DPCM encoder;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19920772
