Pengxiang Ge, Pei Ye, Guihua Li. Application of Digital Image Correlation Method Based on Genetic Algorithm in Micro-Displacement Measurement[J]. Acta Optica Sinica, 2018, 38(6): 0612006
- Acta Optica Sinica
- Vol. 38, Issue 6, 0612006 (2018)
Fig. 1. Schematic of basic principle of DIC method
![Flow chart of DIC method based on GA[8]](/richHtml/gxxb/2018/38/6/0612006/img_2.jpg)
Fig. 2. Flow chart of DIC method based on GA[8]
Fig. 3. Simulated speckle patterns. (a) Before translation; (b) after translation
Fig. 4. Distribution of correlation function
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Table 1. Calculation results of matching precision of three image search algorithms
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Table 2. Calculation results of search time of three image search algorithms
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Table 3. Calculation results of displacement of three image search algorithms
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Table 4. Calculation results of measurement precision under different displacement searching time
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