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题名:
Adaptive optics image restoration based on frame selection and multi-frame blind deconvolution
作者: Tian Yu; Rao Changhui WEi Kai
刊名: Chinese Astronomy and Astrophysics
出版日期: 2009
卷号: 33, 期号:2, 页码:223-230
通讯作者: Tian Yu
文章类型: 期刊论文
中文摘要: Restricted by the observational condition and the hardware, adaptive optics can only make a partial correction of the optical images blurred by atmospheric turbulence. A postprocessing method based on frame selection and multi-frame blind deconvolution is proposed for the restoration of high-resolution adaptive optics images. By frame selection we mean we first make a selection of the degraded (blurred) images for participation in the iterative blind deconvolution calculation, with no need of any a priori knowledge, and with only a positivity constraint. This method has been applied to the restoration of some stellar images observed by the 61-element adaptive optics system installed on the Yunnan Observatory 1.2m telescope. The experimental results indicate that this method can effectively compensate for the residual errors of the adaptive optics system on the image, and the restored image can reach the diffraction-limited quality.
英文摘要: Restricted by the observational condition and the hardware, adaptive optics can only make a partial correction of the optical images blurred by atmospheric turbulence. A postprocessing method based on frame selection and multi-frame blind deconvolution is proposed for the restoration of high-resolution adaptive optics images. By frame selection we mean we first make a selection of the degraded (blurred) images for participation in the iterative blind deconvolution calculation, with no need of any a priori knowledge, and with only a positivity constraint. This method has been applied to the restoration of some stellar images observed by the 61-element adaptive optics system installed on the Yunnan Observatory 1.2m telescope. The experimental results indicate that this method can effectively compensate for the residual errors of the adaptive optics system on the image, and the restored image can reach the diffraction-limited quality.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6123
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作者单位: 中国科学院光电技术研究所

Recommended Citation:
Tian Yu,Rao Changhui WEi Kai. Adaptive optics image restoration based on frame selection and multi-frame blind deconvolution[J]. Chinese Astronomy and Astrophysics,2009,33(2):223-230.
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