A Full-Aperture Image Synthesis Method for the Rotating Rectangular Aperture System Using Fourier Spectrum Restoration

The novel rotating rectangular aperture (RRA) system provides a good solution for space-based, large-aperture, high-resolution imaging tasks. Its imaging quality depends largely on the image synthesis algorithm, and the mainstream multi-frame deblurring approach is sophisticated and time-consuming....

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Autores principales:	Guomian Lv, Hao Xu, Huajun Feng, Zhihai Xu, Hao Zhou, Qi Li, Yueting Chen
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	rotating rectangular aperture system Fourier spectrum restoration image synthesis numerical simulation Applied optics. Photonics TA1501-1820
Acceso en línea:	https://doaj.org/article/a2d5086226594dcfbed3ba6655f04e33
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id	oai:doaj.org-article:a2d5086226594dcfbed3ba6655f04e33
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spelling	oai:doaj.org-article:a2d5086226594dcfbed3ba6655f04e332021-11-25T18:43:52ZA Full-Aperture Image Synthesis Method for the Rotating Rectangular Aperture System Using Fourier Spectrum Restoration10.3390/photonics81105222304-6732https://doaj.org/article/a2d5086226594dcfbed3ba6655f04e332021-11-01T00:00:00Zhttps://www.mdpi.com/2304-6732/8/11/522https://doaj.org/toc/2304-6732The novel rotating rectangular aperture (RRA) system provides a good solution for space-based, large-aperture, high-resolution imaging tasks. Its imaging quality depends largely on the image synthesis algorithm, and the mainstream multi-frame deblurring approach is sophisticated and time-consuming. In this paper, we propose a novel full-aperture image synthesis algorithm for the RRA system, based on Fourier spectrum restoration. First, a numerical simulation model is established to analyze the RRA system’s characteristics and obtain the point spread functions (PSFs) rapidly. Then, each image is used iteratively to calculate the increment size and update the final restored Fourier spectrum. Both the simulation’s results and the practical experiment’s results show that our algorithm performs well in terms of objective evaluation and time consumption.Guomian LvHao XuHuajun FengZhihai XuHao ZhouQi LiYueting ChenMDPI AGarticlerotating rectangular aperture systemFourier spectrum restorationimage synthesisnumerical simulationApplied optics. PhotonicsTA1501-1820ENPhotonics, Vol 8, Iss 522, p 522 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	rotating rectangular aperture system Fourier spectrum restoration image synthesis numerical simulation Applied optics. Photonics TA1501-1820
spellingShingle	rotating rectangular aperture system Fourier spectrum restoration image synthesis numerical simulation Applied optics. Photonics TA1501-1820 Guomian Lv Hao Xu Huajun Feng Zhihai Xu Hao Zhou Qi Li Yueting Chen A Full-Aperture Image Synthesis Method for the Rotating Rectangular Aperture System Using Fourier Spectrum Restoration
description	The novel rotating rectangular aperture (RRA) system provides a good solution for space-based, large-aperture, high-resolution imaging tasks. Its imaging quality depends largely on the image synthesis algorithm, and the mainstream multi-frame deblurring approach is sophisticated and time-consuming. In this paper, we propose a novel full-aperture image synthesis algorithm for the RRA system, based on Fourier spectrum restoration. First, a numerical simulation model is established to analyze the RRA system’s characteristics and obtain the point spread functions (PSFs) rapidly. Then, each image is used iteratively to calculate the increment size and update the final restored Fourier spectrum. Both the simulation’s results and the practical experiment’s results show that our algorithm performs well in terms of objective evaluation and time consumption.
format	article
author	Guomian Lv Hao Xu Huajun Feng Zhihai Xu Hao Zhou Qi Li Yueting Chen
author_facet	Guomian Lv Hao Xu Huajun Feng Zhihai Xu Hao Zhou Qi Li Yueting Chen
author_sort	Guomian Lv
title	A Full-Aperture Image Synthesis Method for the Rotating Rectangular Aperture System Using Fourier Spectrum Restoration
title_short	A Full-Aperture Image Synthesis Method for the Rotating Rectangular Aperture System Using Fourier Spectrum Restoration
title_full	A Full-Aperture Image Synthesis Method for the Rotating Rectangular Aperture System Using Fourier Spectrum Restoration
title_fullStr	A Full-Aperture Image Synthesis Method for the Rotating Rectangular Aperture System Using Fourier Spectrum Restoration
title_full_unstemmed	A Full-Aperture Image Synthesis Method for the Rotating Rectangular Aperture System Using Fourier Spectrum Restoration
title_sort	full-aperture image synthesis method for the rotating rectangular aperture system using fourier spectrum restoration
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a2d5086226594dcfbed3ba6655f04e33
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A Full-Aperture Image Synthesis Method for the Rotating Rectangular Aperture System Using Fourier Spectrum Restoration

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