A single-frame image super-resolution processing method based on diffusion model
A technology of diffusion model and processing method, applied in the field of image super-resolution, which can solve the problems of mode collapse, extremely large model parameters and calculation overhead, large calculation overhead, etc., and achieve the effect of avoiding excessive smoothing, avoiding mode collapse, and less mode collapse
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[0045] The present invention will be further described in detail below with reference to the accompanying drawings.
[0046] The embodiment of the present invention and its implementation process are as follows:
[0047] 1. If figure 1 Shown is the super-resolution diffusion model schematic diagram of the inventive method, from right to left is the diffusion process of the super-resolution diffusion model in the inventive method, the diffusion process cycle performs T step diffusion steps, and each step diffusion step is to the residual figure 1 0 After adding Gaussian noise, after T diffusion steps, the residual map I 0 Convert to noise image I T .
[0048] The operation steps of each diffusion step are as follows figure 2 shown, specifically:
[0049] 1.1. Enter the current diffusion step number t, t={1,2,...,T}; and the residual map I between the high and low resolution images 0 =I H -up(I L ), where I H For high-resolution images, I L is a low-resolution image,...
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