1. Chan, K.L., Wang, H.: Reading resistor values by color image processing. In: Ho, A.T., Rao, S., Cheng, L.M. (eds.) Proc. SPIE, Automatic Inspection and Novel Instrumentation, vol. 3185, pp. 157–168 (1997)
2. Russ, J.C.: The Image Processing Handbook, 3rd edn. CRC-Press, Boca Raton (1999)
3. Duda, R.O., Hart, P.E., Stork, D.G.: Pattern Classification, 2nd edn. Wiley-Interscience, Chichester (2001)
4. Cover, T.M., Hart, P.E.: Nearest neighbor pattern classification. IEEE Trans IT-13, 21–27 (1967)
5. Fukunaga, K.: Introduction to statistical pattern recognition, 2nd edn. Academic Press, London (1990)