TRAJECTORY ESTIMATION DEVICE, METHOD FOR ESTIMATING TRAJECTORY, AND TRAJECTORY ESTIMATION PROGRAM

摘要

To estimate the trajectory of cycling precisely.SOLUTION: There is provided a trajectory estimation device for estimating the trajectory of cycling. The trajectory estimation device includes: a reliability degree determination unit for determining the reliability of satellite positioning information; an update timing determination unit for determining a timing of updating a parameter for estimating the trajectory of cycling based on the reliability degree of the satellite positioning information; and an update unit for updating the parameter based on the result of the timing determination. Specifically, if the reliability degree determination unit has determined that the satellite positioning information has a low level of reliability, a trajectory estimation unit estimates the trajectory by autonomous navigation using the parameter.SELECTED DRAWING: Figure 20