Self-adapting detection and correction method of fixed-pattern noise based on sCMOS camera
An adaptive detection and correction method technology, applied in the field of image sensors and signal processing, can solve problems such as dark signal inconsistency, light response inconsistency, dark current damage, etc., to achieve good use value, ensure effectiveness and accuracy Sexuality, the effect of reducing damage
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[0041] The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples.
[0042] The overall operation process of the method proposed by the present invention is as attached figure 1 As shown, the specific implementation is generally divided into two stages, that is, first, according to the imaging characteristics of the sCMOS sensor and the cause and characteristic analysis of the fixed noise, the adaptive threshold detection algorithm formula of the fixed noise is designed, hereinafter referred to as the fixed noise detection stage; and then the fixed noise correction stage, through the detection results, the 3×3 median filter algorithm is used to correct the fixed noise one by one, and the edge is effectively filled.
[0043] The operation flow of the fixed noise detection stage is as follows:
[0044] Step 1. Completely close the camera lens cover, adjust the camera performance parameters, a...
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