No Localization without
      Calibration?
Map-Based Navigation
   pre-processed sensor data
   is stored in a geometrical
   representation of the envi-
   ronment (map). Path plan-
   ning+strategy algorithms are
   used to define the actions of
   the robot
Sensor-Based Control
   control signals for the
   robot are generated
   directly from the visual
   input
ICRA2001
CIRL-JHU
3