Research on effect of Kell coefficient on the quality of aerial photography

Yue Fan; Wenli Ma

doi:10.1117/12.866866

22 October 2010 Research on effect of Kell coefficient on the quality of aerial photography

Yue Fan, Wenli Ma

Proceedings Volume 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology; 76581I (2010) https://doi.org/10.1117/12.866866
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

The method of Spatial convolution is applied to analyze the imaging process of the CCD imaging system, which involves optical imaging process and CCD integral sampling process, and the ratio between GRD and GSD that is called Kell coefficient is introduced, based on which, analysis of effect of Kell coefficient on the quality of aerial photography is educed. Imaging process of the target is simulated with different Kell coefficient values by matlab. The method of the gray difference between the target and the image on CCD which is regarded as the evaluation criteria is proposed to evaluate the image quality. The simulation results show that when Kell coefficient equals 2.8, the target characteristics can be distinguished.

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Yue Fan and Wenli Ma "Research on effect of Kell coefficient on the quality of aerial photography", Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76581I (22 October 2010); https://doi.org/10.1117/12.866866

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KEYWORDS

Charge-coupled devices

Image processing

Imaging systems

Photography

Image quality

Optical imaging

Point spread functions

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