A Method of Auto-Focusing Based on Fuzzy-Control

Abstract:

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This paper introduces a method of auto focusing based on fuzzy-control. Using this method, we design the scheme of optimization for focus. Variance function is used as approximately evaluate function for a large-scale in this system, and Square-gradient function is used as precise evaluate function in certain scale. Fuzzy-control is adopted the control of optimization for focus. The experiment testified that auto-focusing in this system is so accurate that accord with the required precision, and the image of collecting is clear. The machine of auto-focusing is simple, and the control of whole system is easy to implement.

Info:

Periodical:

Key Engineering Materials (Volumes 392-394)

Edited by:

Guanglin Wang, Huifeng Wang and Jun Liu

Pages:

493-496

DOI:

10.4028/www.scientific.net/KEM.392-394.493

Citation:

D. X. Shao et al., "A Method of Auto-Focusing Based on Fuzzy-Control", Key Engineering Materials, Vols. 392-394, pp. 493-496, 2009

Online since:

October 2008

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Price:

$35.00

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