ng method (in First Embodiment) of the present invention; FIGS. 4A and 4B each is a schematic diagram for illustrating the image processing method (in First Embodiment) of the present invention; FIG. 5 is a schematic diagram for illustrating the image processing method (in First Embodiment) of the present invention; FIG. 6 is a flow chart showing the operation flow of the image processing apparatu