Television – Bandwidth reduction system – Data rate reduction
Patent
1995-05-23
1998-11-17
Lee, Richard
Television
Bandwidth reduction system
Data rate reduction
382248, H04N 730
Patent
active
058383794
ABSTRACT:
An image processing apparatus includes input structure for inputting orthogonal-transformed image data. Arithmetic circuitry is provided for adding a predetermined value to transformation coefficients of the orthogonal-transformed image data input by the input structure. Structure is also provided for image processing data input from the arithmetic circuitry.
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IEEE Transactions on Acoustics, Speech and Signal Processing, vol. 37, No. 11, Nov. 1989, New York, pp. 1743-1749, "Adaptive Cosine Transform Coding of Images in Perceptual Domain."
Canon Kabushiki Kaisha
Lee Richard
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