With known methods for predictive decorrelation it always applies only to one or more previously scanned elements of the same picture line. A disturbance for a decorrelated value leads on reconstruction to a "falsification" of a longer picture sequence. A protection from errors by check bits for each...http://www.google.com/patents/US4155097?utm_source=gb-gplus-sharePatent US4155097 - Method and arrangement for the redundancy-reducing coding of pictures
