Digital video preprocessor horizontal and vertical filters

Details Digital video preprocessor horizontal and vertical filters Digital video preprocessor horizontal and vertical filters

1996-11-25

2000-05-16

Harvey, David E.

Television

Miscellaneous

H04N 726

Patent

active

060644508

ABSTRACT:
An apparatus for pre-processing of a digital video data stream including luminance and chrominance pixel data, the apparatus comprising a plurality of pre-processing units including a horizontal filter unit and a vertical filter unit. The horizontal filter unit is located at an input side and the vertical filter unit is located at an output side of the preprocessing apparatus and wherein all read/write memory for storing data outputted from or inputted to the plurality of pre-processing units is contained in a single memory block.

REFERENCES:
patent: 5008752 (1991-04-01), Van Nostrand
patent: 5253059 (1993-10-01), Ansari et al.
patent: 5283656 (1994-02-01), Sugahara

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