ADAPTIVE IMAGE UPSCALING METHOD AND APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a method for upscaling image data so that the upscaled data further properly depicts features of an sharp edge of an original image and other details thereof; and to provide its device.;SOLUTION: This method is used for upscaling image data. The method initiates with identifying a gradient value associated with a pixel location of the image data. Then, it is determined whether a direction associated with the pixel location is either a horizontal direction or a vertical direction. Next, a weighted interpolation scheme is applied to the pixel location when the direction is either a horizontal direction or a vertical direction. A method for applying an interpolation scheme where inter-frame redundancies are exploited is included. A computer readable medium, a system for processing block based image data and an integrated circuit for scaling image data are also included.;COPYRIGHT: (C)2005,JPO&NCIPI