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Method and device for correcting non-uniformity of infrared detector

An infrared detector and non-uniformity technology, which is applied in the field of infrared detectors, can solve the problems of waste of human and material resources, low calibration efficiency, and difficulty in calibration accuracy meeting high-precision application requirements, so as to reduce human resource waste and improve efficiency. Effect

Active Publication Date: 2018-09-11
成都盈盛源电气科技有限公司
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Problems solved by technology

In this way, even if the calibration accuracy is difficult to meet the high-precision application requirements, there are also phenomena of low calibration efficiency and waste of human and material resources.

Method used

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  • Method and device for correcting non-uniformity of infrared detector
  • Method and device for correcting non-uniformity of infrared detector

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Embodiment Construction

[0039] The non-uniformity correction device of the embodiment of the present invention and the method for correcting the non-uniformity of an infrared detector using the device will be described in detail below with reference to the accompanying drawings.

[0040] refer to figure 1 and figure 2 , in one embodiment of the present invention, a device for correcting the non-uniformity of the infrared detector may include a plurality of thermostats (for example, figure 1 and figure 2 101, 102 and 103 in), displacement motor platforms (for example, figure 1 and figure 2 2 in ) and multiple boldfaces (eg, figure 1 and figure 2 301, 302 and 303 in ).

[0041] The plurality of thermostats can be along a first direction (for example, figure 1 and figure 2 Arranged in the direction indicated by the arrow A in). Each incubator houses multiple infrared detector test setups (e.g., figure 1 and figure 2 104 in ). The plurality of infrared detector testing devices are in th...

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Abstract

The embodiment of the invention discloses a non-uniformity correction device and a method for correcting the non-uniformity of an infrared detector through the non-uniformity correction device. The device is provided with a plurality of thermostats and a plurality of black bodies with different temperatures. The plurality of black bodies can be controlled by a displacement motor to sequentially move into a detection range of an infrared detector testing device in each thermostat, so as to enable the infrared detector testing devices to sequentially carry out the non-uniformity correction of the infrared detectors in the infrared detector testing devices through the black bodies. The method and device can conveniently achieve the multi-point correction of the infrared detectors in all infrared detector testing devices.

Description

technical field [0001] The invention relates to the field of infrared detectors, in particular to a non-uniformity correction device and a method for correcting the non-uniformity of infrared detectors using the device. Background technique [0002] At present, due to the limitations of the infrared detector manufacturing process, it is difficult to ensure that the response performance of each pixel is completely consistent in the specific production, which will lead to various unevenness of the image in the actual imaging. However, the common processing method nowadays is to use one-point, two-point or even multi-point correction methods to artificially calibrate each pixel response of the detector under uniform black body radiation. Theoretically speaking, the larger the number of calibration points is, the more accurate the calibration results will be. However, considering the actual software and hardware conditions, the two-point calibration method is mostly used for ca...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/00
CPCG01J5/00G01J5/80
Inventor 张鸿波李成世刘子骥
Owner 成都盈盛源电气科技有限公司
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