Research on image autofocus system based on neural network

Guojin Chen; Bin Liu; Ye Gong; Guohua Xu; Huli Shi

doi:10.1117/12.521703

2 September 2003 Research on image autofocus system based on neural network

Guojin Chen, Bin Liu, Ye Gong, Guohua Xu, Huli Shi

Proceedings Volume 5253, Fifth International Symposium on Instrumentation and Control Technology; (2003) https://doi.org/10.1117/12.521703
Event: Fifth International Symposium on Instrumentation and Control Technology, 2003, Beijing, China

Abstract

AF (auto-focus) becomes a very important function in many kinds of photoelectricity imaging systems. The popular AF is realized by means of measuring distance. In this paper, a new AF means is presented, which is realized by a neural network. Because the NN (neural network) has the capacity of non-linear processing, it can be used to estimate image's definition and adjust PID controller's parameters. When such a NN is embedded in an AF system, the system will have the features of real time, high veracity and self-adaptation.

Citation Download Citation

Guojin Chen, Bin Liu, Ye Gong, Guohua Xu, and Huli Shi "Research on image autofocus system based on neural network", Proc. SPIE 5253, Fifth International Symposium on Instrumentation and Control Technology, (2 September 2003); https://doi.org/10.1117/12.521703

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