Patent ID: 6714210
Filing Date: 2004-03-30
Classification: G06T

Abstract:
A method of performing interpolation on a first set of discrete data values representing an image with a first resolution to produce a second set of discrete data values representing the image with a second resolution, the method comprising the following steps:(i) providing dimension values corresponding to said first set of discrete data values and said second set of discrete data values; (ii) calculating a first sampling increment value, a second sampling increment value, a first sampling limit value and a second sampling limit value, for said first set of discrete data values, using said dimension values; (iii) computing pairs of interpolation indicators according to said first and second sampling limit values; (iv) calculating a plurality of filter function coefficients, using said interpolation indicators and at least one of a plurality of filter functions; (v) storing said filter function coefficients; (vi) accessing said stored filter function coefficients; and (vii) performing interpolation on said first set of discrete data values, using said accessed filter function coefficients, to generate said second set of discrete data values.