Patent Document ID: 20170154410
Application ID: 15383688
Patent Status: 0

Claim One:
1. A method of enhancing imaging of a document, comprising: capturing a first image of the document using monochromatic light at a first wavelength; capturing one or more additional images of the document using monochromatic light at one or more different wavelengths than the first wavelength so as to image a surface texture; combining the first image and the one or more additional images to generate a greyscale image; correcting an erroneous plateau comprising computing a mean and standard deviation of original pixel colors of the first image in an island portion of the erroneous plateau; computing a mean and standard deviation of the original pixel colors in a border portion of the erroneous plateau; performing a statistical test on the erroneous plateau to determine if the island portion of the erroneous plateau is part of the border portion; and if the island portion is a part of the border portion, correcting the erroneous plateau so the island portion and the border portion are a same color value.