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Aug 2 '18 at 7:24 comment added Encipher Actually I have 75000 timestamp for odometer data. As per graph slam every node is taken as it is a full slam problem. So it is impossible to inverse 75000*75000 matrix. So after some time if the robot came to its previous position then at that timestamp no new node introduce, I just update the previous node. In this way my number of node(pose) reduced.
Aug 2 '18 at 6:57 comment added FooTheBar If you observe the same landmark and your sensor range is not too big, then you are somehow close to where you started. What do you want to achieve?
Aug 1 '18 at 17:27 comment added Encipher If the robot turn and the reading is consist of previous correspondence number does that mean the robot back to its previous position?
Aug 1 '18 at 16:18 comment added FooTheBar Comments are not meant for new question, you can simply open a new one, if you want to add new sensors. Regarding your question, If your robot does not turn, some of your sensors are giving you wrong values.
Aug 1 '18 at 15:45 comment added Encipher I have a odometer data which consist of Time, Forward Velocity and Angular Velocity. I have a sensor data which consist of Time, Correspondence number,range and bearing. After 600 timestamp my robot 1st encounter a landmark then it encounter same landmark after four consecutive time stamp. Then it go straight until next 100 timestamp. After that it observed a another landmark for 5 consecutive timestamp . Then it go straight until next 100 timestamp and then observed the1st landmark again and observed it 2 consecutive time stamp.Can I say that the robot come back to its previous position?
Aug 1 '18 at 14:13 history answered FooTheBar CC BY-SA 4.0