Design and realization of an AEC&AGC system for the CCD aerial camera

Hai ying Liu; Bing Feng; Peng Wang; Yan Li; Hao yun Wei

doi:10.1117/12.2182313

5 August 2015 Design and realization of an AEC&AGC system for the CCD aerial camera

Hai ying Liu, Bing Feng, Peng Wang, Yan Li, Hao yun Wei

Proceedings Volume 9622, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology; 96220Q (2015) https://doi.org/10.1117/12.2182313
Event: International Conference on Optical Instruments and Technology 2015, 2015, Beijing, China

Abstract

An AEC and AGC(Automatic Exposure Control and Automatic Gain Control) system was designed for a CCD aerial camera with fixed aperture and electronic shutter. The normal AEC and AGE algorithm is not suitable to the aerial camera since the camera always takes high-resolution photographs in high-speed moving. The AEC and AGE system adjusts electronic shutter and camera gain automatically according to the target brightness and the moving speed of the aircraft. An automatic Gamma correction is used before the image is output so that the image is better for watching and analyzing by human eyes. The AEC and AGC system could avoid underexposure, overexposure, or image blurring caused by fast moving or environment vibration. A series of tests proved that the system meet the requirements of the camera system with its fast adjusting speed, high adaptability, high reliability in severe complex environment.

Citation Download Citation

Hai ying Liu, Bing Feng, Peng Wang, Yan Li, and Hao yun Wei "Design and realization of an AEC&AGC system for the CCD aerial camera", Proc. SPIE 9622, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology, 96220Q (5 August 2015); https://doi.org/10.1117/12.2182313

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