Frequency Separation Generative Adversarial Super-resolution Network Based on Dense Residual and Quality Assessment

HAN Yulan; CUI Yujie; LUO Yihong; LAN Chaofeng

doi:10.11999/JEIT240388

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HAN Yulan, CUI Yujie, LUO Yihong, LAN Chaofeng. Frequency Separation Generative Adversarial Super-resolution Network Based on Dense Residual and Quality Assessment[J]. Journal of Electronics & Information Technology. doi: 10.11999/JEIT240388

Citation:

HAN Yulan, CUI Yujie, LUO Yihong, LAN Chaofeng. Frequency Separation Generative Adversarial Super-resolution Network Based on Dense Residual and Quality Assessment[J]. Journal of Electronics & Information Technology. doi: 10.11999/JEIT240388

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Frequency Separation Generative Adversarial Super-resolution Network Based on Dense Residual and Quality Assessment

doi: 10.11999/JEIT240388

1.
School of Measurement and Control Technology and Communication Engineering, Harbin University of Science and Technology, Harbin 150080, China
2.
Heilongjiang Province Key Laboratory of Pattern Recognition and Information Perception, Harbin University of Science and Technology, Harbin 150080, China

Funds: The National Natural Science Foundation of China (11804068), The Fundamental Research Funds for the Provincial Universities (2020-KYYWF-0342)

Received Date: 2024-05-16
Rev Recd Date: 2024-11-09

Available Online: 2024-11-18

Abstract

Abstract

With generative adversarial networks have attracted much attention because they provide new ideas for blind super-resolution reconstruction. Considering the problem that the existing methods do not fully consider the low-frequency retention characteristics during image degradation, but use the same processing method for high and low-frequency components, which lacks the effective use of frequency details and is difficult to obtain better reconstruction result, a frequency separation generative adversarial super-resolution reconstruction network based on dense residuals and quality assessment is proposed. The idea of frequency separation is adopted by the network to process the high-frequency and low-frequency information of the image separately, so as to improve the ability of capturing high-frequency information and simplify the processing of low-frequency features. The base block in the generator is designed to integrate the spatial feature transformation layer into the dense wide activation residuals, which enhances the ability of deep feature representation while differentiating the local information. In addition, no-reference quality assessment network is designed specifically for super-resolution reconstructed images using Visual Geometry Group (VGG), which provides a new quality assessment loss for the reconstruction network and further improves the visual effect of reconstructed images. The experimental results show that the method has better reconstruction effect on multiple datasets than the current state-of-the-art similar methods. It is thus shown that super-resolution reconstruction using generative adversarial networks with the idea of frequency separation can effectively utilize the image frequency components and improve the reconstruction effect.
- Super-resolution,
- Generative adversarial network,
- Frequency separation,
- Quality assessment,
- Dense residual

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References(28)

References

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