Laser & Optoelectronics Progress, Volume. 58, Issue 16, 1612001(2021)
Digital Image Correlation Method Based on Dense Feature Matching
Fig. 1. Sub-region images before and after deformation
Fig. 2. GMS basic principle diagram
Fig. 3. Speckle pattern used in experiment. (a) Simulated speckle pattern; (b) gray histogram
Fig. 4. Matching results of translation speckle
Fig. 5. Matching results of rotating speckle
Fig. 6. Matching results of Gaussian deformation speckle
Fig. 7. Displacement comparison
Fig. 8. Calculation error comparison
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Fangxi Tan, Shide Xiao, Shengyao Li, Liangjun Zhou. Digital Image Correlation Method Based on Dense Feature Matching[J]. Laser & Optoelectronics Progress, 2021, 58(16): 1612001
Category: Instrumentation, Measurement and Metrology
Received: Oct. 20, 2020
Accepted: Dec. 8, 2020
Published Online: Aug. 19, 2021
The Author Email: Xiao Shide (sdxiao@swjtu.cn)