To provide an image processing apparatus that makes block boundaries inconspicuous in a processed image even in the case of dividing one screen into a plurality of blocks and performing processing in each block unit.

The image processing apparatus is provided with: an image processing means 1000 for performing predetermined image processing of an image in a block unit obtained by dividing the image for one screen into a plurality of blocks and outputting processed image information in a unit for one screen; and a block dividing means 1005 for dividing the image for one screen into a plurality of blocks, generating an image of a block unit, transferring the generated image information of a block unit to the image processing means 1000, and also changing the division position of blocks on one screen to a different position in each screen.