Performance analysis of a volume holographic correlator based opto-electronic hybrid system for scene matching

Tian Zhao; Liangcai Cao; Tianxiang Zheng; Shunli Wang; Qingsheng He; Guofan Jin

doi:10.1117/12.975819

15 October 2012 Performance analysis of a volume holographic correlator based opto-electronic hybrid system for scene matching

Tian Zhao, Liangcai Cao, Tianxiang Zheng, Shunli Wang, Qingsheng He, Guofan Jin

Author Affiliations +

Proceedings Volume 8420, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical System Technologies for Manufacturing and Testing; 84200G (2012) https://doi.org/10.1117/12.975819
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

A volume holographic correlator (VHC) can function as an optical processing unit (OPU). With its multi-channel processing ability, the VHC is capable to extract inner products between the target image and all the stored remote sensing images with high speed and high parallelism. An opto-electronic hybrid system based on the VHC for scene matching is proposed. The innovative hybrid processing mode of the system combines the advantages of the high parallelism in VHC with the high flexibility and accuracy of digital processing, improving the overall system performances. The influences of the VHC’s unique multi-channel parallel processing ability on the system speed and accuracy are theoretically studied in the context of different VHC working modes. The improvements of the system adaptability for different situations, such as illumination conditions and noise, are also analyzed by numerical simulation. Finally, experimental results are discussed to evaluate the system feasibility.

Citation Download Citation

Tian Zhao, Liangcai Cao, Tianxiang Zheng, Shunli Wang, Qingsheng He, and Guofan Jin "Performance analysis of a volume holographic correlator based opto-electronic hybrid system for scene matching", Proc. SPIE 8420, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical System Technologies for Manufacturing and Testing, 84200G (15 October 2012); https://doi.org/10.1117/12.975819

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KEYWORDS

Computing systems

Image processing

Remote sensing

Optoelectronics

Holography

Optical correlators

Volume holography

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