Qihan Zhao, Yonghong Wang, Xinya Gao, Fangyuan Sun, Peizheng Yan, Lianxiang Yang. Filtering Evaluation Method of Phase Images Based on Smooth Spline Fitting[J]. Acta Optica Sinica, 2018, 38(8): 0815020
- Acta Optica Sinica
- Vol. 38, Issue 8, 0815020 (2018)
Fig. 1. Phase map and phase distribution before and after filtering. (a) Original wrapped phase map; (b) phase distribution on the diagonal section of the original wrapped phase map; (c) filtered wrapped phase map; (d) phase distribution on the diagonal section of the filtered wrapped phase map
Fig. 2. Fitting results. (a) Fitting result of phase distribution of the original wrapped phase map; (b) fitting result of phase distribution of the filtered wrapped phase map
Fig. 3. Line chart of RMSE
Fig. 4. Experimental images. (a) Full width butterfly fringe pattern 1; (b) full width butterfly fringe pattern 2; (c) full width circle fringe pattern; (d) local speckle fringe pattern; (e) full width circle fringe pattern under the wide field; (f) fringe pattern of sample with multiple defects
Fig. 5. Line charts of ERMS. (a)-(f) Line charts of ERMS of the experimental images in Fig. 4
Fig. 6. Differential data distribution of ERMS
Fig. 7. Filtering completed images. (a)-(f) Filtering completed images of the experimental images in Fig. 4
Fig. 8. Unwrapping phase maps. (a)-(f) Unwrapping phase maps of the experimental images in Fig. 4
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