Video super-resolution method based on non-local regularization
A non-local, super-resolution technology, applied in the field of video super-resolution, can solve the problems of visual quality degradation and limited high-frequency information
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Embodiment 1
[0046] The present invention proposes a video super-resolution method based on non-local regularization and key frames, such as figure 1 Shown, the realization process of the present invention comprises the following steps:
[0047] Step 1, input video X, and extract each frame image.
[0048] Input video X, which includes high-resolution images and low-resolution images, and its image distribution relationship is: the first and last two frames are high-resolution images, and every eight frames of low-resolution images start from the first frame of high-resolution images It is a frame of high-resolution image until the end frame;
[0049] Extract each frame of image in video X to get high-resolution image frame X h ,h=1,...,M, and low resolution noisy image frame X t ,t=1,...,N, and define the high-resolution image frame X h As a key frame, define a low-resolution noisy image frame X t is a non-key frame, where M is the number of frames of high-resolution images in video ...
Embodiment 2
[0074] The video super-resolution method based on non-local regularization and key frame is the same as embodiment 1, and the effect of the present invention can be further illustrated by the following experimental simulation:
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