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Single-image super-resolution reconstruction method based on deep residual network

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TLDR
Zhang et al. as mentioned in this paper proposed a single-image super-resolution reconstruction method based on a deep residual network, which mainly comprises a first step of performing block extraction and pixel averaging processing on an image in a sample image database to obtain a corresponding high-resolution and low-resolution training image sets; a second step of constructing a deep convolutional neutral network with a residual structure for iterative training, and then inputting the training set obtained in the first step to the neural network constructed in the second step, according to a data model obtained by training, realizing the
Abstract
The invention discloses a single-image super-resolution reconstruction method based on a deep residual network. The method of the invention mainly comprises a first step of performing block extraction and pixel averaging processing on an image in a sample image database to obtain a corresponding high resolution and low resolution training image sets; a second step of constructing a deep convolutional neutral network with a residual structure for iterative training, and then inputting the training set obtained in the first step to the neural network constructed in the second step for iterative training; and a third step of according to a data model obtained by training, realizing the continuous up-scaling of the input low resolution image through the combination of iterative operation and an interpolation algorithm. By introducing a deep residual network and introducing an upsampling layer at the end of the network, the method of the invention accelerates the processing speed of the image up-scaling, enhances the display effect of the image details, obtains a better image super-resolution reconstruction effect, and has a wide range of applications in the image high definition display, image compression, security checks and other fields.

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References
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Device for reconstructing based on super-resolution of multi-block single-frame image, system and method thereof

TL;DR: In this paper, a multi-block super-resolution method based on scale-invariant self-similarity (SiSS) was proposed for reconstructing from a single video frame.
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Super-resolution amplification method of ultra-high definition video image converted from high definition video image

TL;DR: In this article, a super-resolution amplification method of an ultra-high definition video image converted from high-definition video image is proposed. But the method is not suitable for the real-time frame rate of 25 fps.
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Single image super-resolution reconstruction method base on block rotation and sharpness

TL;DR: In this article, a single image super-resolution reconstruction method based on block rotation and sharpness is proposed, where the sample blocks are rotated by a certain angle, and then the block definition is introduced to classify training samples.
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