Television – Image signal processing circuitry specific to television – Noise or undesired signal reduction
Reexamination Certificate
2007-10-09
2007-10-09
Kostak, Victor R. (Department: 2622)
Television
Image signal processing circuitry specific to television
Noise or undesired signal reduction
C348S701000
Reexamination Certificate
active
10891481
ABSTRACT:
An apparatus for and a method of adaptively processing video signals based on noise states. The method includes, a memory device that stores a look-up table in which optimal filter tap coefficients corresponding to a number of noise levels are registered; a noise measurement unit that obtains a noise measurement from input video signals during a predetermined period; a filter coefficient determination unit that selects optimal filter tap coefficients from the memory based on the noise measurement obtained by the noise measurement unit; a noise suppression filter that employs the optimal filter tap coefficients selected by the filter coefficient determination unit to filter and remove noise from the input video signals; and a video signal processor that performs video signal processing on the result output by the noise suppression filter.
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Lee Ho-nam
Lee Sang-soo
Kostak Victor R.
Samsung Electronics Co,. Ltd.
Sughrue & Mion, PLLC
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