Qifeng Yu, Qiang Zhang, Wenjun Chen, Yihe Yin, Mingjie Chen, Yu Lei, Lihao Liu, Xiaolin Liu, Yueqiang Zhang, Biao Hu, Xiaohua Ding. Videometrics Methods and Applications of Static and Dynamic Deformation of Large-Scale Structures (Invited)[J]. Laser & Optoelectronics Progress, 2024, 61(1): 0112001
- Laser & Optoelectronics Progress
- Vol. 61, Issue 1, 0112001 (2024)
![System of videometrics. (a) Camera[22]; (b) processing unit[21]; (c) software platform[22]](/richHtml/lop/2024/61/1/0112001/img_01.jpg)
Fig. 2. Platforms of videometrics. (a) Tripods; (b) fixed piers; (c) unmanned aerial vehicle; (d) unstable platforms
![Schematic of dual-camera videometrics system. (a) Binocular stereo vision; (b) main camera with sub-camera[35]; (c) serial camera[22]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Schematic of dual-camera videometrics system. (a) Binocular stereo vision; (b) main camera with sub-camera[35]; (c) serial camera[22]
Fig. 4. Schematic of multi-camera network. (a) Multi-camera panoramic deformation measurement[37]; (b) parallel camera network[20]; (c) serial camera network[21]
Fig. 5. Sub-pixel point extraction and tracking[21]
Fig. 6. Feature extraction and matching[44]. (a) Feature extraction; (b) feature matching
Fig. 7. Serial camera network[87]. (a) Schematic; (b) schematic of the change of measurement units before and after structural deformation
Fig. 8. Workflow of parallel camera network[20]
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