update documentation

Author: manuelli

modules/dense_correspondence_manipulation/change_detection/change_detection.py

@@ -476,7 +476,7 @@ def from_data_folder(data_folder, config=None, globalsDict=None, background_data
         Creates a ChangeDetection object from a data_folder which contains the
         3D reconstruction and the image files
 
-        :param data_folder:
+        :param data_folder: This should point to the `processed` subfolder of a top level log folder
         :param config:
         :param globalsDict:
         :return:

modules/dense_correspondence_manipulation/scripts/run_change_detection.py

@@ -7,6 +7,7 @@
 import dense_correspondence_manipulation.utils.utils as utils
 from dense_correspondence_manipulation.utils.constants import *
 from director.timercallback import TimerCallback
+
 """
 Runs change detection to compute masks for each image
 """