Update associative.py

lib/fish_eye/associative.py

@@ -229,7 +229,7 @@ class Associate(object):
             matched_tracks.append(m[1])
         for m in low_matched:
             if (m[1] not in matched_tracks):
-                self.trackers[m[1]].update(high_dets[m[0], :])
+                self.trackers[m[1]].update(low_dets[m[0], :])
         
 
         # create and initialise new trackers for unmatched detections