Patent ID: 8107757
Filing Date: 2012-01-31
Classification: G06T

Abstract:
1. A data correction apparatus comprising: image recognizing means for recognizing images in a page represented by page description data, the page description data describing the page containing at least the images among the images and texts; natural image determining means for determining whether or not each image recognized by the image recognizing means is a natural image based on a characteristic of the each image; similarity determining means for determining, based on whether subjects included in a plurality of natural images determined by the natural image determining means or feature values of the plurality of natural images are similar to each other, similar natural images similar to each other when the plurality of natural images are contained in the page; image analyzing means for calculating a setup condition, including a lightness and colors correction value, for image correction for each natural image; correction condition calculating means for obtaining the lightness and colors correction value for each of all the similar natural images, and calculating, as a correction condition, an adjustment value of the lightness and colors correction value for making the lightness and colors correction value of all the similar natural images substantially uniform; and image correcting means for applying image correction based on the setup condition and the correction condition to the similar natural images.