qMerge branch 'feature/3_pointcloud' into feature/plugin_semantic

Author: gerni17

sensor_processing/semantic_pointcloud/script/semantic_pointcloud/pointcloud_node.py

@@ -30,6 +30,8 @@ def __init__(self, sensor_name):
         # setup semantics
         self.feature_extractor = None
         self.semantic_model = None
+        self.segmentation_channels = None
+        self.feature_channels = None
         self.initialize_semantics()
 
         # setup pointcloud creation