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Prediction signal controlled scans for improved motion compensated video coding

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1 Author(s)
Schiller, H. ; Hannover Univ., Germany

Interdependencies between prediction signal and prediction error in predictive coding schemes are investigated. Without additional side information, adaptive scan paths for DCT and nontransform coding of prediction error blocks can be derived from the prediction signal gradient. Simulations indicate that these paths efficiently scan some blocks when used alternatively to zigzag scan.

Published in:

Electronics Letters  (Volume:29 ,  Issue: 5 )