Acta Photonica Sinica, Volume. 53, Issue 8, 0812002(2024)
Compensation Method for Crosstalk and Chromatic Aberration Based on Color Orthogonal Fringe Patterns
Figures & Tables(12)
Fig. 4. Flowchart of overall elimination for crosstalk and chromatic aberration
Fig. 6. The fringe intensity before and after crosstalk compensation
Fig. 7. The phase deviation in B-G channel before and after chromatic aberration correction
Table 1. The average and maximum phase deviation between channels in the horizontal and vertical directions before and after chromatic aberration correction （uint： rad）
View tableView in ArticleTable 1. The average and maximum phase deviation between channels in the horizontal and vertical directions before and after chromatic aberration correction （uint： rad）
Average phase deviation Maximum phase deviation Horizontal direction Vertical direction Horizontal direction Vertical direction R-G B-G R-G B-G R-G B-G R-G B-G Before compensation 0.103 8 0.176 7 0.119 8 0.210 1 0.193 1 0.271 8 0.195 5 0.335 0 After compensation 0.025 9 0.053 8 0.037 1 0.048 4 0.059 1 0.075 3 0.075 7 0.078 2
Table 2. Measurement results of steps without compensation （uint： mm）
View tableView in ArticleTable 2. Measurement results of steps without compensation （uint： mm）
Step distance Standard values Measurement values before compensation Error before compensation Step 1-2 17.603 18.132 0.529 Step 2-3 18.422 18.991 0.569 Step 3-4 13.258 14.101 0.843
Table 3. The number of projected fringe patterns required by different methods （uint： pieces）
View tableView in ArticleTable 3. The number of projected fringe patterns required by different methods （uint： pieces）
Method Required for crosstalk correction Required for chromatic aberration correction Total number Traditional method 4×3 4×3×3 48 Proposed method 4×3 4×6 24
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Feng MA, Yubo NI, Zhaozong MENG, Nan GAO, Zeqing YANG, Guofeng ZHANG, Wei YIN, Hongwei ZHAO, Zonghua ZHANG. Compensation Method for Crosstalk and Chromatic Aberration Based on Color Orthogonal Fringe Patterns[J]. Acta Photonica Sinica, 2024, 53(8): 0812002
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: Dec. 15, 2023
Accepted: Jan. 2, 2024
Published Online: Oct. 15, 2024
The Author Email: Zonghua ZHANG (zhzhang@hebut.edu.cn)
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