Method and apparatus of content adaptive detailing filtering...

Details Method and apparatus of content adaptive detailing filtering... Method and apparatus of content adaptive detailing filtering...

2011-05-31

2011-05-31

Hsia, Sherrie (Department: 2422)

Television

Image signal processing circuitry specific to television

Transition or edge sharpeners

C348S607000

Reexamination Certificate

active

07952647

ABSTRACT:
According to one embodiment, a method is disclosed. The method includes receiving video data performing pre-filtering on the data, performing content analysis is applied to identify an area of the data, applying a two-dimensional (2-D) 2ndgradient operation to extract a high frequency component and normalizing the high frequency component related to high frequency information from a previous picture.

REFERENCES:
patent: 5038388 (1991-08-01), Song
patent: 5819035 (1998-10-01), Devaney
patent: 6229578 (2001-05-01), Acharya et al.
patent: 6347153 (2002-02-01), Triplett et al.
patent: 6771833 (2004-08-01), Edgar
patent: WO 99/30547 (1999-06-01), None
PCT Search Report, PCT/US2007/088980, mailed Apr. 28, 2008.

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