Patent ID: 7831110
Filing Date: 2010-11-09
Classification: G06T

Abstract:
1. A resolution converting method of converting a resolution of image data, comprising: performing by a processor, the steps of: inputting pixel data of pixels for reference which can be used for calculation of pixel data of an interpolation pixel; selecting a plurality of reference pixels to be used for the calculation of the pixel data of the interpolation pixel, from the pixels for reference; and calculating the pixel data of the interpolation pixel by using a plurality of the pixel data selected in said selecting step, wherein said selecting step selects the plurality of reference pixels so as to include four adjacent pixels adjacently surrounding the interpolation pixel and another four pixels selected from eight pixels which are arranged at a second closest distance next to the four adjacent pixels from a position of a center of gravity of a rectangular area having vertexes located respectively at the four adjacent pixels and which are at an equal distance from the center of gravity of the rectangular area; and wherein the rectangular area is divided into a plurality of sub-areas, and if two of the four adjacent pixels are arranged respectively at the vertexes of the sub-area where the interpolation pixel is to be arranged, said selecting step selects, from the eight pixels as the another four pixels, two pixels each of which is adjacent at a closest distance to one of two adjacent pixels which are located at the vertexes of the sub-area, and two pixels each of which is adjacent at the closest distance to the other of the two adjacent pixels which are located at the vertexes of the sub-area.