According to one embodiment, an image processing apparatus includes a receiver, a write controller, and a transmission controller. The receiver is configured to receive image data which forms an image to be displayed on a display apparatus. The write controller is configured to control to divide the image data into a plurality of regions and write compressed image data obtained by compressing the image data for each region, to a frame memory. The transmission controller is configured to control to transmit, to the display apparatus, original image data, which is restored by reading the compressed image data from the frame memory and decompressing the compressed image data for each region. Each of the regions has an overlap portion which is overlapped by a part of an adjacent region.