Solar Image Restoration with the Cycle-GAN Based on Multi-Fractal Properties of Texture Features
Texture is one of the most obvious characteristics in solar images and it is normally described by texture features. Because textures from solar images of the same wavelength are similar, we assume texture features of solar images are multi-fractals. Based on this assumption, we propose a pure data-...
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| creator | Peng Jia Huang, Yi Cai, Bojun Cai, Dongmei |
| description | Texture is one of the most obvious characteristics in solar images and it is normally described by texture features. Because textures from solar images of the same wavelength are similar, we assume texture features of solar images are multi-fractals. Based on this assumption, we propose a pure data-based image restoration method: with several high resolution solar images as references, we use the Cycle-Consistent Adversarial Network to restore burred images of the same steady physical process, in the same wavelength obtained by the same telescope. We test our method with simulated and real observation data and find that our method can improve the spatial resolution of solar images, without loss of any frames. Because our method does not need paired training set or additional instruments, it can be used as a post-processing method for solar images obtained by either seeing limited telescopes or telescopes with ground layer adaptive optic system. |
| doi_str_mv | 10.48550/arxiv.1907.12192 |
| format | Article |
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| subjects | Adaptive systems Computer Science - Computer Vision and Pattern Recognition Fractals Image resolution Image restoration Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics Post-processing Space telescopes Spatial resolution Telescopes Test procedures Texture |
| title | Solar Image Restoration with the Cycle-GAN Based on Multi-Fractal Properties of Texture Features |
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