Method for correcting infrared focal plane heterogeneity based on sigma filter
A non-uniformity correction, infrared focal plane technology, applied in the direction of instruments, scientific instruments, radiation pyrometry, etc., can solve the problem of insufficient suppression ability, no iterative step size adaptive adjustment mechanism and change gating correction parameter update mechanism, Problems with high computational complexity
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[0060] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0061] Such as figure 1 As shown, the infrared focal plane non-uniformity correction method based on the sigma filter of the present invention comprises the following steps:
[0062] Step 101: Receive the infrared focal plane output image frame by frame, and complete linear correction according to the gain and offset correction parameter values of each pixel position in the current frame of the infrared focal plane output image, and the correction formula is as follows:
[0063] the y ij (n)=g ij (n)x ij (n)+o ij (n)
[0064] where x ij (n) is the current frame of the infrared focal plane ...
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