Artwork verification pdf vs pdf
time taken for first layer of analysis:  1.2680593  seconds
time taken for second layer of analysis:  0.5600608999999999  seconds
time taken for third layer of analysis:  0.14187919999999998  seconds
time taken for fourth layer of analysis:  0.317682  seconds
time taken for third layer of analysis:  2.5990621000000003  seconds
time taken for comparison:  3.7985756999999998  seconds