US Patent 8068666 Method for reading test strips

There is provided a method for identifying the color intensities of red lines on a white test strip. The method comprises the following steps:(A) attaching the white test strip to a card that is larger and darker than the white test strip,(B) scanning the card with the attached white test strip,(C) creating a digital image of the card, in which each pixel in the digital image has a Red value, a Green value, and a Blue value,(D) using the digital image to calculate a color intensity for each red line on the white test strip.