1. Shang, H.C.: The Study on Algorithm and System Implementation of Printing Image Online Detection. Huazhong University of Science and Technology (2008)
2. Li, C.P., Fan, Y.B., Hu, Q.C.: 3 recognition methods and analysis of PCB mark point based on HALCON. J. Foshan Univ. (Nat. Sci. Ed.) 28(2), 29–33 (2010)
3. Carsten, S., Markus, U., Christian, W.: Machine Vision Algorithms and Applications. Wiley-VCH, Weinheim (2008)
4. LNCS;J Beusekom van,2007
5. Ding, J.H., Lu, Y., Huang, W., Qin, M.: A background subtraction method for defect detection of printed image. Appl. Mech. Mater. 462, 421–427 (2014)