{
  "$type": "site.standard.document",
  "description": "An aerial photographing image pickup method comprises a step of making a flying object, which comprises a GPS device 23 and an image pickup device 13 for taking an image downward, fly meanderingly, a step of taking the image at each vertex where a direction is changed in the meandering flight, a…",
  "path": "/patents/995650",
  "publishedAt": "2012-11-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C11/02",
    "TOPCON CORP [JP]"
  ],
  "textContent": "An aerial photographing image pickup method comprises a step of making a flying object, which comprises a GPS device 23 and an image pickup device 13 for taking an image downward, fly meanderingly, a step of taking the image at each vertex where a direction is changed in the meandering flight, a step of extracting feature points from a common overlap portion of the images taken from at least three vertexes adjacent to each other, a step of determining two images of two vertexes in the images as one set and acquiring positional information of the two vertexes by the GPS device for each set regarding at least two sets, a step of performing photogrammetry of the measuring points corresponding to the feature points based on the positional information and based on the feature points of the two images and a step of determining the feature points when the surveying results of the measuring points coincide with each other in at least the two sets as tie points for image combination.",
  "title": "Aerial photograph image pickup method and aerial photograph image pickup apparatus"
}