光学学报, 2003, 23 (6): 666, 网络出版: 2006-06-27
应用相息图再现二元图像的振幅配置法
Amplitude Fitting to Binary Image Reconstructed by Kinoform
图像处理 振幅配置 二元图像 迭代傅里叶算法 相位自由度 相息图 image processing amplitude fitting binary image iterative Fourier transform algorithm phase freedom kinoform
摘要
针对应用相息图再现二元图像的图像质量劣化问题,提出一种基于对二元图像进行振幅补偿的改进方法,对二元图像的零振幅区进行一个微小量的振幅配置,实现该区域相位对迭代的参与,从而增加了相息图设计的自由度,改善了二元图像的质量。通过对模拟实验结果的比较分析,讨论了振幅补偿对二元图像质量的改善效果。
Abstract
A method of amplitude fitting is proposed to solve the degeneration problem of the quality of binary images reconstructed by kinoforms. By fitting a small amplitude to the zero-amplitude area of the binary image, involvement of phase in this area during the iteration is ensured. As a result, the degree of freedom during the design of kinoform is increased, and the quality of the binary image reconstructed is improved. Quantitative analyses and discussions of the improved result are given by comparing the final simulation results.
刘福民, 翟宏琛, 杨晓苹, 黄桂岭. 应用相息图再现二元图像的振幅配置法[J]. 光学学报, 2003, 23(6): 666. 刘福民, 翟宏琛, 杨晓苹, 黄桂岭. Amplitude Fitting to Binary Image Reconstructed by Kinoform[J]. Acta Optica Sinica, 2003, 23(6): 666.
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