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- W2903661001 abstract "Abstract Optical imaging systems with extended depth of field based on wavefront coding can be used in many fields, which require more object information along the optical axis in a snapshot. When using the non-rotational symmetric phase masks such as cubic phase mask, the final images are usually restored by classical wiener restoration method. However, the existence of image artifacts in final restored images is a problem to be solved. We proposed a method to alleviate the image artifacts by processing two conjugate images, which are captured by image sensor before and after rotating the phase mask 180 degrees along the optical axis. Unlike the previous methods usually need to measure the point spread function or optical transfer function of the imaging system, we do not need to measure them anymore. Both the ZEMAX simulation and experiment verified our method." @default.
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- W2903661001 date "2019-04-01" @default.
- W2903661001 modified "2023-10-15" @default.
- W2903661001 title "Alleviating image artifacts in wavefront coding extended depth of field imaging system" @default.
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- W2903661001 doi "https://doi.org/10.1016/j.optcom.2018.12.006" @default.
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