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Calibration of Timing

imu_time_diffs.png

imu_time_slip.png

filter.png

Hokuyo TOP-URG

hokuyo_time_diffs.png

hokuyo_time_slip.png

Videre Firewire Stereocam

ViderePhaseLag.png

Jitter

It seems that CPU load is causing increased timing jitter on the timestamps of stereocam data. I collected camera data under normal conditions, and then with a completely swamped, fully loaded machine. See plots below:

VidereJitterNominal.png VidereJitterSwamped.png


2020-08-08 12:29