{
  "$type": "site.standard.document",
  "description": "A change point detection device includes a memory that stores map information representing a structure associated with a traveling condition on and around a road, an object detection unit that detects a shielding object hiding the structure from an image acquired by an in-vehicle camera mounted on…",
  "path": "/patents/1296385",
  "publishedAt": "2021-07-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3841",
    "TOYOTA JIDOSHA KABUSHIKI KAISHA"
  ],
  "textContent": "A change point detection device includes a memory that stores map information representing a structure associated with a traveling condition on and around a road, an object detection unit that detects a shielding object hiding the structure from an image acquired by an in-vehicle camera mounted on a vehicle and representing an environment around the vehicle a collation unit that eliminates the structure hidden by the shielding object in the map information, collates the image with the map information, and calculates a coincidence degree between the image and the map information, and a change point detection unit that determines, when the coincidence degree is less than or equal to a predetermined threshold value, that the structure represented in the image has a change point different from the corresponding structure represented in the map information.",
  "title": "CHANGE POINT DETECTION DEVICE AND MAP INFORMATION DISTRIBUTION SYSTEM"
}