ethz-asl / ethzasl_msf

MSF - Modular framework for multi sensor fusion based on an Extended Kalman Filter (EKF)
Other
1.01k stars 437 forks source link

where/how is the fixed key-frame/reference handled in MSF? #158

Open protobits opened 7 years ago

protobits commented 7 years ago

The IROS2013 paper specifices how relative updates are handled for pose estimates coming from SLAM. However, I can't find where/how this is handled in the code. I was expecting ptam to publish the pose of the reference (fixed) key-frame as well as the current pose, however I did not find that either.

Actually, what I can only find is that a measurement can be considered relative to last one, but this would not be desireable, exactly as the paper states. Instead, I was expecting this same logic to be performed w.r.t. to a fixed keyframe. Is that not implemented?