Method for correcting non-uniformity fingerprint pattern on basis of infrared focal plane
An infrared focal plane and non-uniformity technology, applied in the field of infrared imaging, can solve problems such as unfavorable system real-time processing, artifacts, and target degradation
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[0074] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in detail, wherein selected the IRFPA (the unit of temperature in the present invention is degree Celsius) that actual specification is R * C = 288 * 384.
[0075] (1) Raw data collection steps. Collection method: put the infrared focal plane detector in a constant temperature box, and the temperature of the constant temperature box can be adjusted within a certain temperature range. The surface source blackbody temperature is constant at T B = 40 degrees, the lower limit of the ambient temperature of the incubator T SL = -40 degrees to the upper limit of ambient temperature T SH = 20 degrees, infrared focal plane detector at every interval ΔT S The ambient temperature increment of =10°C collects surface source blackbody images as experimental data. The acquisition time t of the infrared focal plane detector is the same at each ambient temperature, which is 4800...
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