26. The system of claim 25 further comprising: the processor further operative to filter out pixels of the plurality of pixels from the electronic document image if the color of the pixels of the plurality of pixels comprises a shade of black or a shade of grey.
27. The system of claim 26 wherein a degree of the shade of black or the shade of grey is based on a shade of the second most frequently occurring color of the plurality of colors or a shade of the third most frequently occurring color of the plurality of colors.