中国光学2019，Vol.12Issue(6)：1418-1430,13.DOI:10.3788/CO.20191206.1418
简单光学系统的宽光谱点扩散函数估计
Wide-spectrum PSF estimation for simple optical system
摘要
Abstract
In order to obtain point spread functions (PSFs) of a simple optical system accurately and improve the restored image quality,we present a wide-spectrum PSF estimation method based on PSF measurements.First,narrow-band PSFs are measured,and combining image matching algorithm,the sensor position and the deviation of the optical axis in the real optical system are calibrated.Then,the PSF of each wavelength and field of view is simulated and used for calculating the wide-spectrum PSFs of the real optical system according to the object reflectance spectrum and the spectral sensitivity information of the sensor.Experimental results indicate that the proposed PSF estimation method is better than the narrow-band PSF estimation and blind PSF estimation.The restored image is more stable and its quality is improved significantly.The proposed method can estimate the PSFs of the real optical imaging system accurately.关键词
计算成像/点扩散函数/图像复原/宽光谱Key words
computational imaging/point spread function/image restoration/wide spectrum分类
信息技术与安全科学引用本文复制引用
郑云达,黄玮,潘云,徐明飞,贾树强,张晓菲,卢勇男..简单光学系统的宽光谱点扩散函数估计[J].中国光学,2019,12(6):1418-1430,13.基金项目
应用光学国家重点实验室资助Supported by the State Key Laboratory of Applied Optics （）
