1. A method of performing color correction on a frame image of moving image data, comprising the steps of; detecting a transition region in a target frame image of the color correction; setting an update region in the target frame image, where low frequency data is to be updated, in accordance with the detected transition region; generating the low frequency data of the update region from image data of the target frame image; and generating low frequency data of the target frame image in accordance with low frequency data of a reference frame image and the low frequency data of the update region, and performing the color correction on the target frame image.