Television – Format conversion – Line doublers type
Reexamination Certificate
2007-05-29
2007-05-29
Lee, Michael H. (Department: 2622)
Television
Format conversion
Line doublers type
C348S448000
Reexamination Certificate
active
10866873
ABSTRACT:
A de-interlacing method and apparatus, and a video decoder and a reproducing apparatus using the same are disclosed. The de-interlacing method, for transforming an interlaced format into a progressive format, includes: (a) obtaining a first difference value between at least one pixel of a previous field and at least one pixel of a next field, which are adjacent to a pixel to be interpolated of a current field; (b) obtaining a second difference value between at least one pixel of the current field and at least one pixel of the previous field or the next field, which are adjacent to the pixel to be interpolated; and (d) obtaining a value of the pixel to be interpolated by weighting a spatial interpolation value and a temporal interpolation value of the pixel to be interpolated according to an interpolation mode selected on the basis of the first and second difference values.
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Lee Michael H.
Samsung Electronics Co,. Ltd.
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