{
  "$type": "site.standard.document",
  "description": "A positioning method includes determining a positioning coordinate (x,y,z) of a positioning device in a scene coordinate system o-xyz based on one or a combination of (1) an estimated coordinate (x,y,z) of the positioning device in the scene coordinate system o-xyz; and (2) positions of image…",
  "path": "/patents/1304980",
  "publishedAt": "2021-11-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/1656",
    "BOE Technology Group Co., Ltd."
  ],
  "textContent": "A positioning method includes determining a positioning coordinate (x,y,z) of a positioning device in a scene coordinate system o-xyz based on one or a combination of (1) an estimated coordinate (x,y,z) of the positioning device in the scene coordinate system o-xyz; and (2) positions of image objects of one or more reference illumination sources of a plurality of illumination sources in a scene image, fixed coordinate positions (x, y, z) of the one or more reference illumination sources of the plurality of illumination sources in the scene coordinate system o-xyz, and an included angle α between an x-axis of the scene coordinate system o-xyz and an x′-axis of a positioning device coordinate system o′-x′y′z′.",
  "title": "POSITIONING METHOD, POSITIONING APPARATUS, AND COMPUTER-PROGRAM PRODUCT"
}