Abstract
This project compares and contrasts the suitability of certain measurements for a city roadway
intersection of two point-cloud models obtained via a laser scanner and a UAV-borne camera via a
photogrammetry workflow. The two methods are employed and a total of 21 measurements are
collected and compared from their respective models. The selected site is prone to many accidentsand thus city engineers are considering to redesign it for a more efficient traffic flow. Regardingaccurate dimensioning, certain features in both models are compared for smaller and larger scaledistances, considering a central point location and the benchmarks used for this relatively simple
four-way intersection. A basic analysis of discrepancies was also completed and the
photogrammetric workflow was found suitable for use in this surveying application and can be
used for fast analysis and measuring between closer-range points. Being richer in points and
therefore containing more topographic information, the laser-scanning model is referred for larger
scale measurements between features which are not in close vicinity.
intersection of two point-cloud models obtained via a laser scanner and a UAV-borne camera via a
photogrammetry workflow. The two methods are employed and a total of 21 measurements are
collected and compared from their respective models. The selected site is prone to many accidentsand thus city engineers are considering to redesign it for a more efficient traffic flow. Regardingaccurate dimensioning, certain features in both models are compared for smaller and larger scaledistances, considering a central point location and the benchmarks used for this relatively simple
four-way intersection. A basic analysis of discrepancies was also completed and the
photogrammetric workflow was found suitable for use in this surveying application and can be
used for fast analysis and measuring between closer-range points. Being richer in points and
therefore containing more topographic information, the laser-scanning model is referred for larger
scale measurements between features which are not in close vicinity.
| Original language | Undefined/Unknown |
|---|---|
| Title of host publication | 54th ASC Annual International Conference Proceedings |
| Publisher | Associated Schools of Construction |
| Pages | 568-576 |
| Number of pages | 9 |
| State | Published - 2018 |
| Event | Associated Schools of Construction International Conference - Duration: Apr 17 2018 → Apr 21 2018 Conference number: 54 http://ascpro0.ascweb.org/archives/cd/2018/welcome.htm |
Conference
| Conference | Associated Schools of Construction International Conference |
|---|---|
| Abbreviated title | ASC |
| Period | 04/17/18 → 04/21/18 |
| Internet address |
Keywords
- Construction Surveying
- Laser Scanning
- Photogrammetry
- Measurements
- Workflow
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