5. The method of claim 4 , wherein generating the superresolution version of the candidate text region comprises: obtaining a plurality of versions of the candidate text region, each version obtained from a corresponding image of the plurality of images; aligning the versions of the candidate text region to a high resolution grid; and compositing the aligned versions of the candidate text region to generate the superresolution version of the candidate text region.
5. The method of claim 4 , wherein generating the superresolution version of the candidate text region comprises: obtaining a plurality of versions of the candidate text region, each version obtained from a corresponding image of the plurality of images; aligning the versions of the candidate text region to a high resolution grid; and compositing the aligned versions of the candidate text region to generate the superresolution version of the candidate text region. 8. The method of claim 5 , wherein aligning the versions of the candidate text region comprises: receiving ranging data and movement information associated with each version of the candidate text region; and aligning the versions of the candidate text region based at least in part on the received ranging data and movement information.