Hybrid subband coder

David S. Choi; Sos S. Agaian; Joseph P. Noonan

doi:10.1117/12.325843

5 October 1998 Hybrid subband coder

David S. Choi, Sos S. Agaian, Joseph P. Noonan

Proceedings Volume 3527, Multimedia Storage and Archiving Systems III; (1998) https://doi.org/10.1117/12.325843
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

In this article, we introduce a new subband structure called hybrid subband coder, which uses both linear and morphological filters at each analysis and synthesis stage. This new subband coder significantly reduces the ringing- effect distortions inherent to the linear standard coders and the smearing-effect distortions associated with the nonlinear, morphological subband coders. The performance of this new structure is compared to the linear and nonlinear subband coder results using a set of four grayscale images. The results show a modest improvement in PSNR and in visual quality.

Citation Download Citation

David S. Choi, Sos S. Agaian, and Joseph P. Noonan "Hybrid subband coder", Proc. SPIE 3527, Multimedia Storage and Archiving Systems III, (5 October 1998); https://doi.org/10.1117/12.325843

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