Research on the Dark Stripes Extraction Algorithm for Measuring Diameter with Diffraction ()
Abstract
The optical diffraction is a major means of minute
diameter measurements. Since the light intensity of the diffraction fringe,
mainly distributed in the central bright stripes, and that will lead to a
relatively low SNR for the signal of the senior stripes. The traditional dark
stripes extraction algorithm affected greatly by the noise. So this paper
presents an algorithm that could effectively eliminate the gross errorcaused by
the noise. Than by curve fitting the local signal of the diffraction pattern
with the least square principle, the system could achieve a high measurement
precision.
Share and Cite:
Q. Liu and F. Wei, "Research on the Dark Stripes Extraction Algorithm for Measuring Diameter with Diffraction,"
Optics and Photonics Journal, Vol. 3 No. 2B, 2013, pp. 53-56. doi:
10.4236/opj.2013.32B013.
Conflicts of Interest
The authors declare no conflicts of interest.
References
|
[1]
|
A. K. Soraya, “Measurement of Wire Diameter by Optical Diffraction,” Optics&Laser Technology, Vol. 36, 2004, pp. 63-67.doi:10.1016/S0030-3992(03)00134-8
|
|
[2]
|
F.S. Zhang and C. Liu, “Superpresicion Laser Diffration Measuring System for Fine Diameter,”Chinese Journal of Scientific Instrument, Vol. 22, 2001, pp.149-150.
|
|
[3]
|
L. Q. He, Y. Gao and G. G. Wang, “Calibration Method for CCD Laser Diffration Filament Diameter Measurement System,” Journal of Jilin University, Vol. 38, 2008, pp.182-184.
|
|
[4]
|
Y. Zhang, “Two Improving Methods of Object Orientation Precision by CCDs,” Journal of Optoelectronics·Laser, 2003.
|
|
[5]
|
D. Y. Sun, G. X. Zhou and D. Liu, “Measurement of Filament by Diffraction Method,” Instrumentation Technology, 2002.
|
|
[6]
|
K. Wang and Z. J. Mao, “Actualing Least-Squares Curve-Fitting Based on Matlab,” Journal of Beijing Broadcasting Instute, Vol. 12, pp. 52-56.
|
|
[7]
|
K. L. Ding, Y. Z. Shen and J. K. Ou, “Methods of Line-Fitting Based on Total Least-Squares,” Journal of Liaoning Technical University, Vol. 29, 2010, pp.44-47.
|