Perfect reconstruction two-channel rational filter banks

Thomas J. Frederick; Nurgun Erdol

doi:10.1117/12.150971

27 August 1993 Perfect reconstruction two-channel rational filter banks

Thomas J. Frederick, Nurgun Erdol

Proceedings Volume 1961, Visual Information Processing II; (1993) https://doi.org/10.1117/12.150971
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

This paper develops design constraints for alias free and perfect reconstruction (PR) rational two channel filter banks. The polyphase transfer matrix for the overall system is developed, and it is shown that for a subset of all rational systems, the relations reduce to a polyphase matrix similar to that of the classic M-channel maximally decimated system. Following well known results, it is then straightforward to give constraints in terms of the analysis and synthesis filters for alias free, as well as PR systems.

Citation Download Citation

Thomas J. Frederick and Nurgun Erdol "Perfect reconstruction two-channel rational filter banks", Proc. SPIE 1961, Visual Information Processing II, (27 August 1993); https://doi.org/10.1117/12.150971

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