PhotoScan and CMPMVS workflow both generated models successfully by using the UAV dataset. The differences between them will be discussed. Both original models have around 2700000 faces. As shown in Figure 85: The model derived from PhotoScan has less details than the model derived from CMPMVS; the depths of the
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models have huge difference. Therefore Cloud-mesh distances were computed, as shown in Figure 86. Mean displacement between them is 0.091. Most of the displacements occur in the regions which have altitude difference. Obviously CMPMVS has generated a model with higher accuracy in this case.