[1] AYOUB G. Real-time SPC with AOI [J]. Surface Mount Technology Magazine, 2001,15(6):36 - 38.
[2] WANG Q X, LI D, ZHANG W J. Detecting defects in golden surfaces of flexible printed circuits using optimal gabor filters[C]. Intelligent Information Technology Application,2008, IITA '08. Second International Symposium on Volume 1,Dec.2008:321-325.
[3] CHEN CH H, WANG C C, LIN CH Y, et al.. Realization of defect automatic inspection system for flexible printed circuit (FPC)[C]. Proceedings of the 35th International MATADOR Conference, 2007:225-228.
[4] TSAI D M,LIN B T. Defect detection of gold-plated surfaces on PCBs using entropy measures[J].The International Journal of Advanced Mannufacturing Technology,2002,20(6):420-428.
[5] KAPUR J N,SAHOO P K,WONG A K C.A new method for grey-level picture thresholding using the entropy of the histogram[J]. Computer Vision,Graphics and Image Processing, 1980,3(2):223-237.
[6] ABUTALEB A S.Automatic thresholding of gray-level picture using two-dimensional entropies[J].Pattern Recognition,1989,47(1):22-32.
[7] HARALICK R M,SHANMUGAM K,DINSTEIN I. Textural features for image classification[J].IEEE Trans. SMC, 1973,3:610-621.
[8] WALKER R F,JACKWAY P T,LONGSTAFF D. Genetic algorithm optimization of adaptive multi-scale GLCM features[J].International Journal of Pattern Recognition and Artificial Intelligence, 2003,17(1):17-39.
[9] DESOKY A H,HALL S A. Entropy measures for texture analysis based on Hadamard transform[J]. Proceedings of the IEEE Southeastcon Conference, 1990(2):467-470.
[10] DAWSON B R P,PARSONS A J. Texture measures for the identification and monitoring of urban derelict land[J].International Journal of Remote Sensing, 1994,15(6):1259-1271.
[13] SHEN CH W,WANG ZH Q,LIU CH,et al..Application of BP neural network to multi-position strap-down north seeking system[J].Opt.Precision Eng.,2009,17(8):1890-1895.(in Chinese)
[14] LOH H H, LU M S. Printed circuit board inspection using image analysis [J]. IEEE Transactions on Industry App lications, 1999,35:4262432.