Two-dimensional inverse discrete cosine transforming

Details Two-dimensional inverse discrete cosine transforming Two-dimensional inverse discrete cosine transforming

2007-11-06

2007-11-06

Bella, Matthew C. (Department: 2624)

Image analysis

Image compression or coding

Including details of decompression

C382S248000, C382S250000, C708S402000, C375S240200, C348S395100, C348S403100

Reexamination Certificate

active

09458370

ABSTRACT:
Implementing a two-dimensional inverse discrete cosine transform function includes executing two one-dimensional inverse discrete cosine transforming functions. Each of the one-dimensional functions is controlled to operate on a matrix of coefficients in either of two different directions.

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