Method, device, equipment and storage medium for improving temperature measurement precision of far small target
A technology of temperature measurement accuracy and small target, which is applied in the field of improving the temperature measurement accuracy of far and small targets, and can solve the problems of reduced system imaging sharpness, limited temperature measurement distance, temperature measurement target size, and temperature measurement accuracy. Solve the effects of sudden drop in temperature measurement accuracy, good anti-interference data, and optimized precision
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Embodiment 1
[0040] A method to improve the accuracy of temperature measurement for far and small targets, such as figure 1 shown, which includes:
[0041] Establish a mapping relationship table: obtain the corresponding measurement temperature of the same blackbody under different blackbody temperatures and blackbody radiation surfaces of different sizes, and the number of imaging pixels corresponding to the blackbody radiation surface, and establish measurement temperature - number of imaging pixels - blackbody temperature The mapping relationship table;
[0042] Modeling: build a radiation temperature calibration model according to the mapping relationship table;
[0043] Calibration measurement: According to the radiation temperature calibration model and the number of pixel points of the measured target, the measured temperature of the measured target is calibrated to obtain the calibrated temperature of the measured target.
[0044] The measured temperature is measured by an imagin...
Embodiment 2
[0049] A method to improve the accuracy of temperature measurement for far and small targets, such as figure 1 shown, which includes:
[0050] Step 1. Measure the thermal radiation of black bodies with different temperatures at the same position: Obtain the measurement results of the temperature of the black body radiation surface of different sizes and the imaging pixel data of the black body radiation surface at different black body temperatures (ie, its own temperature) of the same black body, and establish a measurement Mapping relationship table of temperature-imaging pixel number-black body temperature;
[0051] In this embodiment, the step of establishing a mapping relationship table specifically includes:
[0052] S1.1 Record the current blackbody temperature of the blackbody;
[0053] S1.2 Obtain different areas of blackbody radiation surface by changing the shading part of the blackbody by the shading device, and obtain the measured temperature of the blackbody radia...
Embodiment 3
[0068] This embodiment discloses a device for improving the temperature measurement accuracy of far and small targets, which can implement the method for improving the temperature measurement accuracy of far and small targets provided by any embodiment of the present invention, and has a corresponding functional module for executing this method, and Based on this scheme, the above beneficial effects are obtained. like figure 2 As shown, this unit includes:
[0069] The temperature measurement module obtains the measured temperature of the measured target based on imaging technology;
[0070] The pixel module collects the number of pixel points of the measured target;
[0071] The temperature calibration module calibrates the measured temperature of the measured target according to the radiation temperature calibration model and the number of pixels of the measured target to obtain the calibrated temperature of the measured target.
[0072] The measured temperature is input...
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