Multiresolution interpolative DPCM for data compression

WenJen Ho; WenThong Chang

doi:10.1117/12.206760

21 April 1995 Multiresolution interpolative DPCM for data compression

WenJen Ho, WenThong Chang

Proceedings Volume 2501, Visual Communications and Image Processing '95; (1995) https://doi.org/10.1117/12.206760
Event: Visual Communications and Image Processing '95, 1995, Taipei, Taiwan

Abstract

A family of multirate representation of a given signal is defined for data compression. This family of multirate signals is constructed by polynomial interpolation of these direct decimated versions of a given signal. Interpolated signal from decimated signal is used to predict the higher resolution signal. The prediction error is the difference between the interpolated signal from lower resolution and the higher resolution one. This kind of signal representation can be called as interpolation compensated signal prediction. A multiresolution interpolative DPCM is then proposed to represent the prediction errors with a hierarchial multirate structure. This structure possesses the advantages of both the pyramid structure and the DPCM structure.

Citation Download Citation

WenJen Ho and WenThong Chang "Multiresolution interpolative DPCM for data compression", Proc. SPIE 2501, Visual Communications and Image Processing '95, (21 April 1995); https://doi.org/10.1117/12.206760

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