Single image defogging method, device and equipment based on physical model

The invention discloses a single image defogging method, device and equipment based on a physical model, and relates to the technical field of image processing, and the method comprises the steps: constructing a double-branch physical perception defogging network based on an atmospheric scattering model, and the double-branch physical perception defogging network comprises a transmissivity estimation model and an atmospheric light estimation model; obtaining a to-be-defogged image and inputting the to-be-defogged image into the double-branch physical perception defogging network to obtain a defogged image; according to the method, a transmissivity estimation model is constructed based on a UNet convolutional neural network, and a dual-branch physical perception defogging network is jointly formed by combining an atmospheric light estimation model, so that defogging of a single image is realized, and a fog-free image with high definition and contrast is obtained; the method can be used for preprocessing of tra