Subclass Subgroup Patent
G06V 10/143 12169954
  10/255 12169955
  10/422 12169956
  10/457 12169957
  10/50 12169958
  10/757 12169959
  10/774 12169960
  10/7747 12169961
  10/776 12169962
    12169963
  10/7792 12169964
  10/945 12169965
  10/98 12169966
  10/993 12169967