Device and method for detecting infrared spectral imaging system performance

Abstract

The invention discloses a device and method for detecting infrared spectral imaging system performance. The device comprises a control processor, an optical filter controller, a digital temperature controller, a target wheel controller, a multi-spectral target simulator and a multi-spectral optical collimator. The method comprises the first step of setting parameters, the second step of generating a triangular target, the third step of acquiring a target image, the fourth step of acquiring direction pointing recognition data, the fifth step of recording the direction pointing judged result, the sixth step of judging whether the times of direction pointing judging are enough or not, the seventh step of acquiring the true judgment probability, the eighth step of judging whether the times of setting a heat contrast ratio are enough or not, the ninth step of acquiring a triangular direction identification threshold value, the tenth step of judging whether the times of setting spatial frequency are enough or not, the eleventh step of judging whether the times of setting the spectrum diversity factor are enough or not, and the twelfth step of acquiring a two-dimension triangular direction identification threshold value curved face. The device and the method can comprehensively detect the comprehensive performance of an infrared spectral imaging system.

Description

technical field [0001] The invention belongs to the field of electronic technology, and further relates to an infrared multispectral imaging system performance testing device and method in the field of electronic testing technology. The invention can be used for the performance test and performance evaluation of the infrared multispectral imaging system. Background technique [0002] In recent years, infrared multispectral imaging technology has become an important development direction. However, the corresponding infrared multispectral imaging system technical performance testing device and method have not been established yet. Domestic performance testing devices for infrared multi-spectral imaging systems are still limited to testing comprehensive performance parameters of broadband imaging systems. Currently the most commonly used infrared imaging system performance test is achieved by testing the minimum resolvable temperature difference (MRTD) and the triangular dire...

AI Technical Summary

Problems solved by technology

The shortcomings of this patented technology are: lack of measurement of system performance parameters, no clear test method, and inability to quantitatively and comprehensively reflect the performance of the imaging system

The shortcomings of the test method and device disclosed in this paper are: the test method and device are aimed at the performance of the broadband imaging system, and are not suitable for evaluating the comprehensive performance of the multispectral imaging system; the target simulator in the device uses a standard blackbody to control the temperature difference , does not consider the emissivity difference between the target and the background, and cannot reflect the spectral emissivity difference characteristics

The shortcomings of this method are: no specific test device is given, how to set the spectral emissivity is not proposed, and the specific operation method based on the device is not given

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