Applying Open-Loop Coding in Predictive Coding Systems

  • Adrian Munteanu
  • Frederik Verbist
  • Jan Cornelis
  • Peter Schelkens
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5259)


This paper investigates the application of open-loop coding principles in predictive coding systems. In order to cope with the drift, which is inherent in open-loop predictive coding, a novel rate-distortion (R-D) model is proposed, capturing the propagation of quantization errors in such systems. Additionally, a novel intra-frame video codec employing the transform and spatial prediction modes from H.264 is proposed. The results obtained with the proposed codec show that allocating rate based on the proposed R-D model provides gains of up to 1.9 dB compared to a straightforward rate allocation not accounting for drift. Furthermore, the proposed open-loop predictive codec provides gains of up to 2.3 dB compared to an equivalent closed-loop intra-frame video codec using the transform, prediction modes and rate-allocation from H.264. One concludes that the considered open-loop predictive coding paradigm retains the advantages of open-loop coding, and offers the possibility of further improving the compression performance in predictive coding systems.


Quantization Error Prediction Mode Scalable Video Code Rate Allocation Reference Source 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Adrian Munteanu
    • 1
  • Frederik Verbist
    • 1
  • Jan Cornelis
    • 1
  • Peter Schelkens
    • 1
  1. 1.Department of Electronics and Informatics – Interdisciplinary Institute for Broadband TechnologyVrije Universiteit BrusselBrusselsBelgium

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