Patent ID: 7149369
Filing Date: 2006-12-12
Classification: G06T

Abstract:
1. A method of image scaling comprising: selecting an input pixel associated with a first image; determining an input edge characteristic, from a plurality of predetermined edge characteristics associated with a plurality of sets of filter coefficients, of an input window associated with said input pixel, wherein said input edge characteristic defines an edge angle and an edge sharpness of said input window; generating an output window by filtering said input window with a corresponding set of filter coefficients based on said input edge characteristic, wherein said output window is scaled by an image scaling factor L over said input pixel; and generating an output image of a higher resolution than said first image by said image scaling factor L by repeating said steps of selecting, determining, generating said output window, and generating said output image for a plurality of input pixels associated with said first image without requiring distances to be calculated between vectors.