Patent ID: 6714693
Filing Date: 2004-03-30
Classification: G06T

Abstract:
An image processing apparatus for inputting low-resolution video information, expanding one pixel to NÃ—M pixels (each of N and M is an integer equal to or larger than 1, excluding a case of N=1 and M=1), comprising:first window formation means for referring to peripheral pixels including a noticeable pixel; a plurality of conversion means different in conversion method for converting one pixel into NÃ—M pixels; and selection means for selecting a proper conversion means from said plurality of conversion means in accordance with a distribution state of pixel values in the first window, wherein said conversion means evaluate the type of said selected conversion means in adjacent pixels including the noticeable pixel and calculate conversion values of NÃ—M pixels in accordance with the evaluation result, and wherein said conversion means further comprises: second window formation means for referring to the type of said selected conversion means in adjacent pixels including a noticeable pixel; and evaluation means for evaluating a combination in a second window.