Infrared thermal radiation interference suppression method and system based on polarization imaging

The invention relates to an infrared thermal radiation interference suppression method and system based on polarization imaging. The method comprises background radiation segmentation and reflected radiation separation: calculating a polarization characteristic parameter image, and realizing background radiation segmentation based on non-polarization intensity image threshold segmentation and polarization image statistical characteristic quantity; establishing a spontaneous radiation and reflected radiation decoupling separation model, and based on a Fresnel reflection law, a Kirchhoff thermal radiation law and a Planck black body radiation law, analyzing an observation angle of a target area to realize reflected radiation separation; the system is based on the method. According to the invention, the problem of background radiation and reflected radiation interference in the infrared thermal imaging detection process can be solved. 本发明涉及一种基于偏振成像的红外热辐射干扰抑制方法和系统，方法包括背景辐射分割和反射辐射分离：计算偏振特征参量图像，基于非偏振强度图像阈值分割和偏振图像统计