{
  "$type": "site.standard.document",
  "description": "A measurement apparatus (100) comprising a three-dimensional point cloud model memory unit (199) for storing a three-dimensional point cloud model including a point cloud each showing a three-dimensional position; an image displaying unit (341) for displaying an image captured by a camera on a…",
  "path": "/patents/932854",
  "publishedAt": "2017-01-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3602",
    "MITSUBISHI ELECTRIC CORP [JP]"
  ],
  "textContent": "A measurement apparatus (100) comprising a three-dimensional point cloud model memory unit (199) for storing a three-dimensional point cloud model including a point cloud each showing a three-dimensional position; an image displaying unit (341) for displaying an image captured by a camera on a displaying device (901) and prompting a user to specify a position within the image; a measurement image point obtaining unit (342) for inputting the position within the image specified by the user as a measurement image point from an inputting device; a vector calculating unit (140) for calculating a vector showing direction from a center of the camera to the measurement image point inputted by the measurement image point obtaining unit (342); a neighborhood extracting unit (171) for extracting one neighboring point of the measurement image point from the point cloud of the three-dimensional point cloud model; a neighboring plane calculating unit (173) for calculating a particular plane including the one neighboring point extracted by the neighborhood extracting unit (171); and a feature position calculating unit (174) for calculating an intersecting point of the particular plane calculated by the neighboring plane calculating unit (173) and the vector calculated by the vector calculating unit (140) as a three-dimensional position of the measurement image point.",
  "title": "ROAD FEATURE MEASUREMENT APPARATUS AND ROAD FEATURE MEASURING METHOD"
}