Effect of fluctuation noise on the process of compensation of fiхed pattern noise of the photodetector by the two-point correction method
https://doi.org/10.34680/2076-8052.2022.3(128).64-69
Abstract
The article discusses an additive-multiplicative model of fiхed pattern noise of an infrared photodetector and analyzes the effect of fluctuation noise on the process of two-point correction. The method of forming real test images is considered, as well as the method of computer simulation of test reference images of a uniform background with fiхed pattern noise mixed with fluctuation. The possibility of studying their separate influence on the amount of residual fiхed pattern noise is shown. The results of computer simulation are presented, showing the possibility of a correlation between the fluctuation components of noise, which are taken into account when calculating compensation coefficients and in the process of compensation itself, which leads to a change in the nature of the dispersion of residual fiхed pattern noise in images corresponding to intermediate values of average brightness between reference points. Dependency graphs and examples of real and computer test images of fiхed pattern noise of the photodetector are given.
About the Author
N. P. Kornyshev
Новгородский государственный университет имени Ярослава Мудрого
Russian Federation
Russian Federation
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Review
For citations:
Kornyshev N.P. Effect of fluctuation noise on the process of compensation of fiхed pattern noise of the photodetector by the two-point correction method. Title in english. 2022;(3(128)):64-69. (In Russ.) https://doi.org/10.34680/2076-8052.2022.3(128).64-69
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