Television – Format conversion
Reexamination Certificate
2007-07-03
2007-07-03
Natnael, Paulos (Department: 2622)
Television
Format conversion
Reexamination Certificate
active
10704663
ABSTRACT:
An image format conversion apparatus including a 3:2 pull-down detection part determining whether a current field out of plural fields continuous in time is an image of a 3:2 pull-down format produced by a 3:2 pull-down process; a scroll text/graphic data detection part determining whether scroll motions exist on the current field; a 3:2 pull-down compensation part calculating interpolation values for pixels of the current field to be interpolated by using a 3:2 pull-down interpolation method; an IPC part calculating interpolation values for pixels of the current field to be interpolated by using a second interpolation method; and an output selection part for selectively outputting either the interpolation values of the 3:2 pull-down compensation part or the interpolation values of the IPC part based on results of the determinations of the scroll text/graphic detection part and the 3:2 pull-down detection part.
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Jung You-young
Lee Jong-hwan
Lee Young-ho
Yang Seung-joon
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