Patent ID: 8368948
Filing Date: 2013-02-05
Classification: H04N

Abstract:
1. An image forming apparatus which executes super-resolution processing using a plurality of image data having a first resolution and different phase shifts in a lateral or longitudinal direction to generate image data having a second resolution higher than the first resolution, the apparatus comprising: an acquisition unit configured to acquire a plurality of image data having the first resolution; a selection unit configured to select image data to be deleted from the plurality of image data acquired by said acquisition unit on the basis of one of spatial frequency information and color information of each image data, wherein said selection unit selects, as the image data to be deleted, image data having a spatial frequency characteristic different from a reference spatial frequency characteristic among the plurality of image data acquired by said acquisition unit; a deletion unit configured to delete the image data selected by said selection unit from the plurality of image data acquired by said acquisition unit; and a storage unit configured to store, as image data used in the super-resolution processing, remaining image data which are not deleted by said deletion unit among the plurality of image data acquired by said acquisition unit.