Pixel interpolation apparatus and operation control method thereof

To prevent the occurrence of false color in advance. The red pixel R and the blue pixel B, in the pixel mixing block Br, red mixture pixel R and the blue mixed pixel B is obtained by mixing each same color pixel. The Gb pixel of the green pixel Gr and even rows of odd rows are mixed separately, green mixed pixels Gr and green mixed pixel Gb is obtained. These mixed pixel, correlation direction of the partial color image 1 is detected. Depending on the correlation direction, as false color is not generated, the interpolation pixel is generated from the mixed pixels.