10. The computer-implemented method of claim 5 , wherein the portion of the image is identified by sampling the image to identify at least one of connected pixel regions of at least a predetermined size, chains of pixels above or below a determined intensity, or at least three connected pixel regions within a determined distance.
11. The computer-implemented method of claim 10 , further comprising: uniformly scanning the image at a first rate to identify the at least one connected pixel region indicative of text, and wherein scanning each of a plurality of rows of at least a portion of an image includes scanning the portion of the image at a second finer rate.