Edge directed de-interlacing

Details Edge directed de-interlacing Edge directed de-interlacing

2005-11-08

2009-06-30

Tung, Kee M (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C382S266000, C382S300000

Reexamination Certificate

active

07554559

ABSTRACT:
One implementation of a method for edge directed video de-interlacing in accordance with the disclosed invention includes obtaining at least a portion of a field of input video data including at least portions of four consecutive rows of field pixels including first, second, third, and fourth rows of field pixels. The method further includes selecting an orientation over which to de-interlace the input video data based, at least in part, on a measure of the deviation in pixel values among the four consecutive rows of field pixels and a fifth row of pixels located between the second and third rows of field pixels, the fifth row of pixels including previously interpolated pixel values and pixel values obtained by line averaging between pixel values in the second and third rows of field pixels. The method further includes interpolating along the selected orientation to determine a value for a pixel to be interpolated.

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