A disclosed pixel interpolation apparatus for converting an image to a predetermined resolution includes a first interpolating part configured to calculate a first interpolation pixel value by performing high order interpolation using pixel values of plural first reference pixels and a distance between...http://www.google.com.hk/patents/US8175417?utm_source=gb-gplus-share專利 US8175417 - Apparatus, method, and computer-readable recording medium for pixel interpolation
