Infrared thermal radiation effect bias field correction method based on parameterized polynomial curved surface

The invention discloses an infrared thermal radiation effect bias field correction method based on a parameterized polynomial curved surface, and belongs to the technical field of image processing, and the method comprises the steps: modeling an infrared thermal radiation effect degradation mechanism, and constructing a thermal radiation effect bias field degradation model based on parameterized polynomial curved surface fitting; constructing a simulation training data set, wherein the simulation training data set comprises paired infrared image data before and after degradation; the knowledge-guided parameterized polynomial network construction comprises a first network unit, a second network unit, a bias field image reconstruction unit and a loss calculation unit. And inputting a to-be-corrected degraded image into a first network unit in the trained infrared thermal radiation effect bias field correction model, and outputting a restored clear infrared image. According to the method, modeling is carried out