23. The system of claim 22 , where receiving a plurality of images includes receiving images having features associated with text and features associated with non-text image content.
23. The system of claim 22 , where receiving a plurality of images includes receiving images having features associated with text and features associated with non-text image content. 24. The system of claim 23 , further comprising: receiving ranging data associated with the received image; generating a planar map of the received image using the ranging data; comparing the identified candidate text region with the planar map; and eliminating the identified candidate text region if the candidate text region is not located on a single plane.