An estimation apparatus (10) includes a first acquisition unit (110), a second acquisition unit (130), a division unit (150), a ratio value calculation unit (170), and an estimation unit (190). The first acquisition unit (110) acquires point cloud data at a plurality of timings obtained by a sensor mounted on a moving body. A second acquisition unit (130) acquires map information. The division unit (150) divides each point cloud data item acquired by the first acquisition unit (110) into a plurality of predetermined regions. The ratio value calculation unit (170) calculates, for a first region and a second region different from the first region, a ratio value indicating an association ratio between each data point and the map information in each region. The estimation unit (190) identifies an estimated change point where a content of the map information is estimated to be different from an actual situation, using a strength of a correlation between a ratio value of the first region shifted in time or position and a ratio value of the second region.
ESTIMATION DEVICE, SYSTEM, ESTIMATION METHOD, AND PROGRAM
SCHÄTZVORRICHTUNG, SYSTEM, SCHÄTZVERFAHREN UND PROGRAMM
DISPOSITIF D'ESTIMATION, SYSTÈME, PROCÉDÉ D'ESTIMATION ET PROGRAMME
22.01.2025
Patent
Elektronische Ressource
Englisch
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