Stereo-DIC Uncertainty Estimation Using the Epipolar Constraint and Optimized Three Camera Triangulation.
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| Title: | Stereo-DIC Uncertainty Estimation Using the Epipolar Constraint and Optimized Three Camera Triangulation. |
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| Authors: | Balcaen, R.1 ruben.balcaen@kuleuven.be, Reu, P. L.2, Debruyne, D.1 |
| Source: | Experimental Techniques. Feb2018, Vol. 42 Issue 1, p115-120. 6p. |
| Subjects: | Digital image correlation, Correlation methods (Signal processing), Digital image processing, Electronic data processing, Motion picture editing |
| Abstract: | Even though stereo-DIC is widely used in the field of experimental mechanics, uncertainty quantification techniques lag behind. Camera motion for example is often neglected, even though it is present and it can introduce bias. We propose to estimate the error caused by camera motion, based on the epipolar distance, by using a 3-camera system. This solves the problem of the lack of sensitivity along the epipolar line by placing a third camera perpendicular, providing sensitivity in both directions. The third camera provides modest improvement on the results with an optimized triangulation. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Even though stereo-DIC is widely used in the field of experimental mechanics, uncertainty quantification techniques lag behind. Camera motion for example is often neglected, even though it is present and it can introduce bias. We propose to estimate the error caused by camera motion, based on the epipolar distance, by using a 3-camera system. This solves the problem of the lack of sensitivity along the epipolar line by placing a third camera perpendicular, providing sensitivity in both directions. The third camera provides modest improvement on the results with an optimized triangulation. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 07328818 |
| DOI: | 10.1007/s40799-017-0207-0 |
