Patent ID: 8472711
Filing Date: 2013-06-25
Classification: G06T,H04N

Abstract:
1. An image processor comprising: a memory amount calculating unit configured to calculate, based on a size of an original image having a plurality of pixels, a required memory amount required for performing a Retinex process on the original image; a storing unit having a usable memory area that can be used in performing the Retinex process on the original image, the usable memory area having a usable memory amount; a mode selecting unit configured to select a mode from among a plurality of modes including a first mode based on both the usable memory amount and the required memory amount; a reducing unit configured to reduce the original image to form a reduced image having a plurality of pixels, the number of the plurality of pixels in the reduced image being smaller than the number of the plurality of pixels in the original image; and a Retinex process performing unit configured to perform the Retinex process on the original image in the selected mode, wherein the Retinex process performing unit comprises: