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.

Date Published: 5 October 1998
PDF: 13 pages
Proc. SPIE 3527, Multimedia Storage and Archiving Systems III, (5 October 1998);

Published in SPIE Proceedings Vol. 3527:
Multimedia Storage and Archiving Systems III
C.-C. Jay Kuo; Shih-Fu Chang; Sethuraman Panchanathan, Editor(s)