Update segmentation.py

Add an height_threshold check in seed detection, line 945. Fixes issue 3dgeo-heidelberg#324
hdaan · Apr 3, 2024 · dff5765 · dff5765
1 parent 2ad50dd
commit dff5765
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/py4dgeo/segmentation.py b/src/py4dgeo/segmentation.py
@@ -941,8 +941,8 @@ def find_seedpoints(self):
 
                     # Check whether the volume started decreasing
                     if previous_volume > volume:
-                        # Only add seed if larger than the minimum period
-                        if target_idx - start_idx >= self.minperiod:
+                        # Only add seed if larger than the minimum period and height of the change form larger than threshold
+                        if (target_idx - start_idx >= self.minperiod) and (np.abs(np.max(used_timeseries) - np.min(used_timeseries)) >= self.height_threshold):
                             corepoint_seeds.append(
                                 RegionGrowingSeed(i, start_idx, target_idx)
                             )