1. Identifying the vegetation height by subtracting the DSM (Digital Surface Model) from the DEM (Digital Elevation Model). The result of this process is a vegetation height model.

2. Identifying the peaks of single trees by inverting the vegetation height model and calculating the flow accumulation.

3. Extracting points of flow accumulation.

4. Re-inverting the points of flow accumulation.

5. Calculating the variance of the tree peaks.

6. Classifying trees into single-story and multi-story areas with a defined threshold.

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