{
  "$type": "site.standard.document",
  "description": "A server includes a probe data acquiring unit acquiring a probe data item of each of vehicles traveling on a road, the probe data items include, as shape point sequences, sequences of shape points of marking lines; a grouping unit categorizing shape point sequences of marking lines into plural…",
  "path": "/patents/1293132",
  "publishedAt": "2021-06-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3841",
    "DENSO CORPORATION"
  ],
  "textContent": "A server includes a probe data acquiring unit acquiring a probe data item of each of vehicles traveling on a road, the probe data items include, as shape point sequences, sequences of shape points of marking lines; a grouping unit categorizing shape point sequences of marking lines into plural groups for the respective vehicles, each group including one or more shape point sequences for a corresponding one of the vehicles; a center point sequence generating unit generating, based on the one or more shape point sequences included in each group, a center point sequence for each marking line to thereby remove, from the shape point sequences of the marking lines, information which is dependent on traveling states of the vehicles; and a map data generating unit identifying the center point sequence for each marking line as a corresponding marking line on a map to thereby generate map data.",
  "title": "MAP GENERATION DEVICE AND MAP GENERATION PROGRAM"
}