Abstract: According to the present invention, there is provided a printed graphics inspection system and the inspection method thereof to inspect printed graphics including holograms. In the present invention improving the printing quality and reducing manpower cost are achieved by using of a plurality of sensors located in different angles to exclude zones not normally detectable on the graphics to be inspected, digitalizing the images inspected by such sensors, sending the digitalized images to a micro-processor, and using such micro-processor to analyze and process the images inspected and a set of corresponding templates to identify defects such as contamination, color deviation and the like.
Type:
Application
Filed:
November 10, 2005
Publication date:
July 6, 2006
Applicants:
Wenjiang Han, Jian Zhang
Inventors:
Jian Zhang, Wenjiang Han, Huiming Tang, Wende Li