Patent ID: 8494292

Claim:
An image processing apparatus for calculating a change predicted value of a pixel value of a pixel of interest included in a field of interest upon generating a progressive video signal from an interlaced video signal, said apparatus comprising: a plurality of field memories that stores each one of sequentially input fields; a change predicted value calculator that calculates a first change predicted value indicating a degree of change in the pixel value of the pixel of interest, based on the field of interest and a field which has a field interval by 1 from the field of interest and is stored in any one of said plurality of field memories; one or more coefficient calculation units each of which calculates interframe difference coefficients based on any of two fields having a field interval of 2 of a plurality of fields stored in said plurality of field memories, and a field which is being input; a correction value calculation unit that calculates a correction value of the first change predicted value based on the interframe difference coefficients calculated by said coefficient calculation units; and a correction unit that corrects the first change predicted value calculated by said change predicted value calculator, based on the correction value calculated by said correction value calculation unit, and that outputs the corrected first change predicted value as a second change predicted value.