Perfect reconstruction conditions for subband decomposition with generalized subsampling

Masoud R. K. Khansari; Alberto Leon-Garcia

doi:10.1117/12.131485

1 November 1992 Perfect reconstruction conditions for subband decomposition with generalized subsampling

Masoud R. K. Khansari, Alberto Leon-Garcia

Proceedings Volume 1818, Visual Communications and Image Processing '92; (1992) https://doi.org/10.1117/12.131485
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

Abstract

The operation of block sub-sampling and up-sampling are defined. Perfect reconstruction conditions for 2-band subband coding using these block sampling operations are then derived. It is shown that if the analysis filter banks do not have a common zero, there always exists a subsampling strategy such that perfect reconstruction is possible. The results are then generalized to the case of the periodically time-varying filter banks.

Citation Download Citation

Masoud R. K. Khansari and Alberto Leon-Garcia "Perfect reconstruction conditions for subband decomposition with generalized subsampling", Proc. SPIE 1818, Visual Communications and Image Processing '92, (1 November 1992); https://doi.org/10.1117/12.131485

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