Shutterless Uncooled Infrared Imaging System and Nonuniformity Correction Method
A non-uniformity correction, uncooled infrared technology, applied in the field of infrared imaging, can solve the problems of poor anti-vibration and shock resistance, limit the application range of uncooled infrared systems, and high probability of failure of shutter components, achieving enhanced The overall anti-vibration and shock ability, simplify the design, reduce the effect of failure rate
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[0114] Realizing the method of the present invention by using FPGA can meet the system requirement. Since the background calculation process involves more read address operations, the use of DDR IP can more conveniently and quickly complete the reading of DDR by FPGA. Figure 4 is the image without non-uniformity correction for the shutterless uncooled infrared imaging system, Figure 5 The image after non-uniformity correction for the shutterless uncooled infrared imaging system, it can be clearly seen from the figure that the original image of the detector has very dense vertical stripes, and the distribution is very regular, and there is a certain amount of horizontal stripe noise. Due to the relatively large noise, it seriously affects the observation of the target object, the contrast of the image is very weak, and the various connection structures on the ceiling are difficult to see clearly. The contrast of the image after non-uniformity correction is strong, the noise ...
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