Vector interpolator

Details Vector interpolator Vector interpolator

2005-12-05

2010-06-08

Lee, M. (Department: 2622)

Television

Format conversion

Line doublers type

C348S451000, C348S699000, C348S448000, C348S441000, C382S300000

Reexamination Certificate

active

07733421

ABSTRACT:
A vector interpolator optimizes the conversion of an interlaced signal to a non-interlaced signal. The vector interpolator improves the visual clarity of slanted features in a displayed image by adjusting the luminance value of each pixel such that the appearance of “steps” or “jaggies” in the features is reduced. For each pixel, the vector interpolator determines a similarity measure for the pixels within a predetermined area around the pixel. From the similarity measure, an angle for interpolation is selected. The luminance value is then interpolated along the selected vector corresponding to the angle and applied to the pixel.

REFERENCES:
patent: 5886745 (1999-03-01), Muraji et al.

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