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Usability of aerial video footage for 3-D scene reconstruction and structural damage assessment

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Figure 1. Study cases: (a) Taiwan earthquake, February 2016: flat terrain, smoke presence, and highly localized damage (Weiguan Jinglongcollapsed building in the middle); (b) Pescara del Tronto earthquake, August 2016: hilly terrain and more diverse, widespread damage.
Table 2. Prepared datasets from video and photo data.
Figure 2. Workflow to determine usability of video data in 2-D- and 3-D-based SDA. Dashed rectangles: main phases.
Figure 3. Segments selected for the depictability of damage-related feature analysis. (a) Damage segment (roughness values), (b) non-damage segment (normal change rate values).
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