AR modeling and low-bit-rate encoding of motion-compensated frame differences

Michael Bruenig; Wolfgang Niehsen

doi:10.1117/12.298371

9 January 1998 AR modeling and low-bit-rate encoding of motion-compensated frame differences

Michael Bruenig, Wolfgang Niehsen

Proceedings Volume 3309, Visual Communications and Image Processing '98; (1998) https://doi.org/10.1117/12.298371
Event: Photonics West '98 Electronic Imaging, 1998, San Jose, CA, United States

Abstract

The hybrid coding scheme is modified. The discrete cosine transform used for encoding displaced frame differences is replaced by a predefined set of transform matrices based on autoregressive models up to the fourth order. The autoregressive models are parameterized using reflection coefficients. It is shown that the coding efficiency can be improved though side information for the chosen transform has to be transmitted to the decoder.

Citation Download Citation

Michael Bruenig and Wolfgang Niehsen "AR modeling and low-bit-rate encoding of motion-compensated frame differences", Proc. SPIE 3309, Visual Communications and Image Processing '98, (9 January 1998); https://doi.org/10.1117/12.298371

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