A method of solving tilt illumination for multiple distance phase retrieval
A method of solving tilt illumination for multiple distance phase retrieval
复制标题
多距离相位检索的倾斜照明求解方法
DOI:
10.1016/j.optlaseng.2018.02.003
复制
发表时间:
2018-07
影响因子:
4.6
通讯作者:
Zhengjun Liu
中科院分区:
文献类型:
--
作者:
Cheng Guo;Qiang Li;Jiubin Tan;Shutian Liu;Zhengjun Liu
Multiple distance phase retrieval is a technique of using a series of intensity patterns to reconstruct a complex-valued image of object. However, tilt illumination originating from the off-axis displacement of incident light significantly impairs its imaging quality. To eliminate this affection, we use cross-correlation calibration to estimate oblique angle of incident light and a Fourier-based strategy to correct tilted illumination effect. Compared to other methods, binary and biological object are both stably reconstructed in simulation and experiment. This work provides a simple but beneficial method to solve the problem of tilt illumination for lens-free multi-distance system.
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