Artwork verification pdf vs pdf
time taken for first layer of analysis:  0.740815  seconds
time taken for second layer of analysis:  0.0037391000000002172  seconds
time taken for third layer of analysis:  0.009561000000000153  seconds
time taken for fourth layer of analysis:  0.007756500000000166  seconds
time taken for third layer of analysis:  0.8358958000000003  seconds
time taken for comparison:  2.8631252  seconds