Integer cosine transform matrix for picture coding

Details Integer cosine transform matrix for picture coding Integer cosine transform matrix for picture coding

2006-01-24

2006-01-24

Malzahn, D. H. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

C382S250000

Reexamination Certificate

active

06990506

ABSTRACT:
An integer transform matrix is used for implementing a Discrete Cosine Transform (DCT). Optimized values for the integer transform matrix are derived that satisfy certain normalization constraints and that also minimize the frequency distortion in the transform matrix.

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P.P. Vaidyanathan, “Multirate Systems and Filter Banks”, Prentice Hall, 1993, pp. 830-833.

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