Research Article
Experimental Verification for Cable Force Estimation Using Handheld Shooting of Smartphones
Table 4
Comparison of cable forces for pedestrian bridge.
| | Item | Frequency (Hz) | Cable force (kN) | Error (%) | | 1st | 2nd | 3rd | 4th | 5th |
| | APP Orion-CC | 4.961 | 9.939 | 14.968 | 20.063 | 25.132 | 1542.1 | | | APP D-Viewer | 4.966 | 9.966 | 14.983 | — | — | 1521.2 | 1.4 | | Tripod | 4.939 | 9.844 | 14.851 | — | — | 1489.5 | 3.4 | | Handheld shooting | 4.906 | 9.845 | 14.815 | — | — | 1485.7 | 3.7 | | Smartphone APP | — | 8.284 | — | — | — | — | — |
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