Method and apparatus for two-dimensional wavelet recomposition

Details Method and apparatus for two-dimensional wavelet recomposition Method and apparatus for two-dimensional wavelet recomposition

1997-10-24

2000-09-26

Couso, Jose L.

Image analysis

Image compression or coding

Pyramid, hierarchy, or tree structure

382232, 382239, G06K 946

Patent

active

061252107

ABSTRACT:
A system is provided for reconstructing an image from a plurality of sets of data. The system identifies a set of data and identifies intermediate values calculated during a previous iteration, if a previous iteration was performed. Intermediate values for a current iteration are calculated based on the identified set of data and the identified intermediate values. The system generates a two-dimensional array of pixel values based on the calculated intermediate values for the current iteration. The calculated intermediate values are saved for use by a subsequent iteration. The plurality of sets of data are represented by wavelets.

REFERENCES:
patent: 5740284 (1998-04-01), Wober et al.
Martucci and Mersereau, The Symmetric Convolution Approach To The Nonexpansive Implementation Of Fir Filter Banks For Images, IEEE Conference on Acoustics, Speech, and Signal Processing, vol. V, pp. V-65-V-68, Minneapolis, Minnesota, Apr. 1993.
Smith and Eddins, Analysis/Synthesis Techniques for Subband Image Coding, IEEE Transactions on Acoustics, Speech, and Signal Processing, vol. 38, No. 8, pp. 1446-1456, Aug. 1990.
Villasenor, Belzer, and Liao, Wavelet Filter Evaluation for Image Compression, IEEE Transactions on Image Processing, vol. 4, No. 8, pp. 1053-1060, Aug. 1995.
Vaidyanathan, Multirate Digital Filters, Filter Banks, Polyphase Networks, and Applications: A Tutorial, Proceedings of the IEEE, vol. 78, No. 1, pp. 56-93, Jan. 1990.

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