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Performance comparison of bilinear interpolation, bicubic interpolation, and B-spline interpolation in parallel phase-shifting digital holography |
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| Authors: | Peng Xia Tatsuki Tahara Takashi Kakue Yasuhiro Awatsuji Kenzo Nishio Shogo Ura Toshihiro Kubota Osamu Matoba |
| Institution: | 133. Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, 606-8585, Japan 233. Research Fellow of the Japan Society for the Promotion of Science, Kyoto Institute of Technology, Kyoto, 606-8585, Japan 633. Chiba University, Chiba, 263-8522, Japan 333. Advanced Technology Center, Kyoto Institute of Technology, Kyoto, 606-8585, Japan 433. Kubota Holography Laboratory Corporation, Uji, Kyoto, 611-0042, Japan 533. Graduate School of System Informatics, Kobe University, Kobe, 657-8501, Japan |
| Abstract: | To improve the quality of reconstructed images, we apply bicubic interpolation and B-spline interpolation to parallel phase-shifting digital holography for the first time. The effectiveness of bilinear interpolation, bicubic interpolation, and B-spline interpolation in parallel phase-shifting digital holography is shown by a numerical simulation. In the simulation result, the application of bicubic interpolation and B-spline interpolation succeeded in decreasing the rootmean- square error of the reconstructed image by 12.6 and 11.9%, respectively. |
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