Generalized data processing path for performing transformation a

Details Generalized data processing path for performing transformation a Generalized data processing path for performing transformation a

1996-02-28

1998-06-09

Elmore, Reba I.

Boots, shoes, and leggings

36472503, 36472607, 382248, 382250, 348407, G06F 1714, G06K 936

Patent

active

057645531

ABSTRACT:
A generalized data processing path including memory, select logic, adders, subtractors, multipliers, and accumulators (MACs) is organized to perform discrete cosine transforms (DCT), quantization, inverse DCT and inverse quantization operations desired for a video motion compensation system. The select logic selects or bypasses particular adders and subtractors on the front and rear end of the data path depending upon whether the particular operation requires a butterfly operation. A plurality of adders, subtractors and MACs enable data values to be calculated in parallel for efficiency. Control logic is provided to control the memory, select logic and MACs to control data flow and the particular operation being performed. The control logic preferably includes a microcontroller, a microprocessor or associated coprocessor, etc., or a combination of these various types of controllers and processors.

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