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- W2040138052 abstract "A large amount of experiments have demonstrated that Direct Linear Transtormations (DLT) can be used to process the observations of the high-speed stereophotography in explosion processes. An accuracy of 2-3 cm can be obtained under the following conditions, photoscale 1: 1000; simultaneous exposure frequency 1000HZ; about the same elevation of two cameras; the intersecting angle of two principal optical axes 30°-75°; better distribution of the control points. Also the accuracy can be up to the order of a few decimeters even if the elevation difference of two cameras is relatively large, the intersecting angle is as small as 7.5°, and no control points in the target area. The intersecting angle has a significant influence on the accuracy of X-coordinates, and the larger elevation difference of the two cameras damages the accuracy of Z-coordinates. Nevertheless, the distribution of the control points have an important effect on the accuracy of X-,Y-,and Z-coordinates, as a result, that no control points exist in the explosion area, or cotrol points are available in one horizontal plane should be avoided." @default.
- W2040138052 created "2016-06-24" @default.
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- W2040138052 date "1989-06-07" @default.
- W2040138052 modified "2023-09-23" @default.
- W2040138052 title "The Availability And Accuracy Using Direct Linear Transformations For The High-Speed Stereophotography In Explosion Processes" @default.
- W2040138052 doi "https://doi.org/10.1117/12.969249" @default.
- W2040138052 hasPublicationYear "1989" @default.
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