Image data processing system

Details Image data processing system Image data processing system

G - Physics

06

T

354/67

G06T 1/00 (2006.01) G06F 17/14 (2006.01) G06F 17/16 (2006.01) H04N 7/26 (2006.01) H04N 7/30 (2006.01)

Patent

CA 2038478

Abstract of the Disclosure An Adaptive Discrete Cosine Transformation is widely used for orthogonally transforming image data. The number of adders necessary for sum-of-product operations in a matrix multiplication is reduced. A high speed matrix multiplication and a progressive image build-up are realized by minimizing the number of operations by skipping those for insignificant data. This invention speeds up the operations for restoring image data, minimizes the necessary circuit size, and enables a progressive image build-up to be performed efficiently.

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