Compatible HDTV transmission using conditional entropy coding

  • Authors:

  • Frank Bosveld;Reginald L. Lagendijk;Jan Biemond

  • Affiliations:

  • Department of Electrical Engineering, Delft University of Technology, Delft, The Netherlands;Department of Electrical Engineering, Delft University of Technology, Delft, The Netherlands;Department of Electrical Engineering, Delft University of Technology, Delft, The Netherlands

  • Venue:
  • ICASSP'93 Proceedings of the 1993 IEEE international conference on Acoustics, speech, and signal processing: image and multidimensional signal processing - Volume V
  • Year:
  • 1993

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Abstract

Compatible or hierarchical video compression schemes have become increasingly important due to emerging broadband networks and over-the-air digital transmission links. Transmission of embedded low resolution signals should however not cause the side-effect of decreasing the coding efficiency of the highest resolution signal. For subband-based schemes this implies that subbands have to be encoded using multistage quantization. This paper thoroughly investigates the performance of multistage scalar quantization and investigates three encoding strategies: concatenated coding conditional entropy coding and conditional uniform quantization.