Patent ID: 6310697
Filing Date: 2001-10-30
Classification: G06T

Abstract:
A process for enhancing the text of a digitally scanned page through the reallocation of ink on said page in a computer environment, comprising:defining a window of a size W pixels by W pixels;analyzing the ink distribution in said window;reallocating the ink to a pixel in the center of said window wherein said reallocation step enhances the contrast of said page;assembling the enhanced page with the reallocated ink;calculating the average ink value of all pixels falling within a predetermined threshold in said window;setting the ink value of said center pixel to white if no pixels in said window fall within said predetermined threshold or the amount of ink in said window is insufficient; andsetting the ink value of said center pixel to said average ink value if the amount of ink in said window is sufficient and if any pixels in said window fall within said predetermined threshold.