Single-image super-resolution reconstruction method based on symmetric depth network
A technology of super-resolution reconstruction and deep network, which is applied in the field of super-resolution reconstruction of a single image based on a symmetrical deep network, which can solve the problem that the details of the reconstructed image are easily lost, and achieve the effect of improving image quality
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[0055] combine figure 1 , a method for super-resolution reconstruction of a single image based on a symmetrical deep network in this embodiment, specifically comprising the following steps:
[0056] Step 1. Use commonly used data sets, such as ImageNet and 91-images data sets adopted by Yang et al., to make a high-resolution image block training set and a low-resolution image block training set. The specific steps are as follows figure 2 As shown, namely:
[0057] For each color image in a common dataset (such as 91-images), first convert to YCbCr space, and then extract the Y component I of the high-resolution training image H , and then perform bicubic interpolation twice on the high-resolution image (the first bicubic downsampling interpolation, the second bicubic upsampling interpolation) to obtain the corresponding low-resolution image.
[0058] Cut each high-resolution image and low-resolution image into multiple 50*50 image blocks, (the image blocks cut into 50*50 co...
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