Dense connection generative adversarial network single image super-resolution reconstruction method

A technology of super-resolution reconstruction and dense connection, which is applied in the field of single-image super-resolution reconstruction of dense connection generative adversarial network, which can solve the problem that the evaluation value of SRGAN is not very high.

Active Publication Date: 2019-12-13
TIANJIN UNIV
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Problems solved by technology

From the quantitative evaluation results, the evaluation value obtained by SRGAN is not very high

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  • Dense connection generative adversarial network single image super-resolution reconstruction method
  • Dense connection generative adversarial network single image super-resolution reconstruction method
  • Dense connection generative adversarial network single image super-resolution reconstruction method

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Embodiment Construction

[0030] Compared with SRGAN, the generation network of the present invention uses Residual-in-Residual Dense Block to extract high-level features. Compared with SRPGAN, the content loss function adopts feature-based 1-norm. Compared with ESRGAN, the generation network uses a global feature fusion layer before upsampling, and the activation function of the RRDB module uses relu. Experimental results show that the generated pictures have better visual effects.

[0031] As a classic topology in artificial neural networks, convolutional neural networks have a wide range of applications in the fields of pattern recognition, image and speech information analysis and processing. In the field of image super-resolution reconstruction, after Dong Chao and others first proposed the SRCNN[4] network and successfully applied the convolutional neural network (CNN) to the restoration and reconstruction of high-resolution images, many improved CNNs have been successively adopted. proposed, a...

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Abstract

The invention belongs to the field of video and image processing. The objective of the invention is to further improve the reconstruction effect and reconstruction precision of a high-resolution image, promote the structure of the generative adversarial network and the improvement of a loss function; the invention discloses a dense connection generative adversarial network single image super-resolution reconstruction method. A generation network and an adversarial network are included. A basic framework of a residual dense network RDN is adopted by the generation network; the adversarial network adopts a deep convolution generative adversarial network DCGAN discriminator network framework; the low-resolution image is used as an input and is sent into a generation network for processing; and the obtained output is sent to the adversarial network for judgment, a judgment result is fed back to the generative network through a loss function, the steps are repeated until the adversarial network is judged to be qualified, the generative network can generate a clear image, and then super-resolution reconstruction of a low-resolution image is completed by using the trained generative network. The method is mainly applied to image processing occasions.

Description

technical field [0001] Belonging to the field of video and image processing, it involves the improvement of image super-resolution reconstruction algorithm and the fusion of deep learning theory and image super-resolution reconstruction, the implementation of dense residual convolutional neural network and generative confrontation network in the field of high-resolution image reconstruction with application. Specifically, it relates to a single image super-resolution reconstruction method based on a densely connected generative adversarial network. Background technique [0002] Image super-resolution refers to the process of obtaining corresponding high-resolution images by using single or multiple low-resolution degraded image sequences. In many practical applications in the field of image processing, people often hope to obtain high-resolution original images, because high-resolution images mean higher pixel density, which can provide richer high-frequency detail informat...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40G06N3/04G06N3/08
CPCG06T3/4053G06N3/08G06N3/048G06N3/045
Inventor 李素梅陈圣
Owner TIANJIN UNIV
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