Typical printed codes and cameras vary from {HEAD ~ one code} or camera to the next and over time so {TAIL ~ a method} of adjusting a camera to recognize each feature at the moment of reading the symbol is provided in accordance with the present invention 
Typical printed codes and cameras vary from { HEAD ~ one code } or camera to the next and over time so { TAIL ~ a method } of adjusting a camera to recognize each feature at the moment of reading the symbol is provided in accordance with the present invention
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