Real-time non-uniformity correction of infrared imaging system

According to the requirement of high-definition surveillance of the status of space targets in low illuminance, a high SNR (Signal to Noise Ratio) uncooled long-wave infrared system is designed. Based on the detector of UL04371 with 640 × 480 array, the system scheme, acquisition system and real-time image processing algorithms are realized. On the basis of system implementation, the paper mainly focuses on how to reduce the noises from the aspect of hardware circuits and how to realize the real-time processing in the way of specified infrared image algorithms. Finally, the paper gives the test result which shows that the system has achieved a relatively good SNR characteristic with the average NETD (Noise Equivalent Temperature Difference) value of 220mK under the condition of the integration time of 64us and the radiation of 300K black body.

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The system design based on long-wave uncooled infrared detector

Feng

Xie

Liu

et al. 2020

J. Phys.: Conf. Ser.

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Real-time non-uniformity correction of infrared imaging system

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The system design based on long-wave uncooled infrared detector

The system design based on long-wave uncooled infrared detector

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