[1] COLEMAN CI. Laser warning system: USA,2187355[P].1987-09-03.

[2] SUN A X,WANG J,HE H X,et al. Testing precision analysis of centrobaric of laser facula [J].Laser Technology,2004,28(6): 667-672(in Chinese).

[3] ZHANG X H,YANG K T. An improved 2-D hough transform method for extracting laser spot parameter [J].Laser & Infrared,2006,36(10): 995-997(in Chinese).

[4] KONG B,WANG Zh,TAN Y Sh. Gaussian fitting technique of laser spot [J].Laser Technology,2002,26(4): 277-278(in Chinese).

[5] HE Zh H,WANG B G,LIAO Y B,et al. Subpixel algorithm using a curve fitting method [J].Chinese Journal of Scientific Instrument,2003,24(2): 195-197(in Chinese).

[6] KONG B,WANG Zh,TAN Y Sh. Algorithm of laser spot detection based on circle fitting [J].Infrared and Laser Engineering,2002,31(3): 275-279(in Chinese).

[7] LYVERS E P,MITCHELL O R,AKEY M L,et al. Subpixel measurements using a moment-based edge operator [J].IEEE Transactions on Pattern Analysis and Machine Intelligence,1989,11(12): 1293-1309.

[8] ZHENG Y. Camber measurement based on zernike moments at high accuracy [J].Chinese Journal of Scientific Instrument,2006,27(5):523-526(in Chinese).

[9] DING X H,DENG Sh X,YANG Y Y,et al. Sub-pixel edge detection based on spatial moment and zernike moment [J].Journal of Applied Sciences,2004,22(2): 191-194(in Chinese).

[10] LYVERS E P,OWEN R M. Subpixel measurements using a momentbased edge operator [J].IEEE Transactions on Pattern Analysis and Machine Intelligence,1989,11(12): 1293-1309.