20 September 2002 Time space filtration research on CCD static image retrains the noise
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Abstract
Against those problems discovered using single-slit to measure OTF, this paper puts forward the time space filtration method to restrain these noise. Experiments verify that the method has gained better effects. Using CCD to measure other parameters, it also has very good reference value. Increasing the sample times can gain better filtration effect. But the time space filtration of long time and multiposition is not very meaning to the raising of measurement. Compare many filtration times, we find that average of time filtration for 8 frames pictures and space filtration for 20 lines is suitable. This experiment results accord with related theory.
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Gang Li, Gang Li, Shou-Cheng Cheng, Shou-Cheng Cheng, Chunmei Xu, Chunmei Xu, Yong Peng, Yong Peng, } "Time space filtration research on CCD static image retrains the noise", Proc. SPIE 4927, Optical Design and Testing, (20 September 2002); doi: 10.1117/12.471660; https://doi.org/10.1117/12.471660
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