Yong-JuJeon, Y. , Choi, D. , Yun, J. , Park, C. , Bae, H. , Kim, S. (2012), 'Automated Inspection Algorithm for Thick Plate Using Dual Light Switching Lighting Method', World Academy of Science, Engineering and Technology, Open Science Index 72, International Journal of Electrical and Computer Engineering, 6(12), 1475 - 1478.