{
  "$type": "site.standard.document",
  "description": "In one embodiment, a method includes receiving from multiple magnetic navigation devices magnetic measurements of one or more geographical regions collected over a period of time; performing a similarity correlation analysis on the magnetic measurements; generating one or more geomagnetic map…",
  "path": "/patents/1309510",
  "publishedAt": "2022-01-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/005",
    "Astra Navigation, Inc."
  ],
  "textContent": "In one embodiment, a method includes receiving from multiple magnetic navigation devices magnetic measurements of one or more geographical regions collected over a period of time; performing a similarity correlation analysis on the magnetic measurements; generating one or more geomagnetic map patches corresponding to the one or more geographical regions based on the similarity correlation analysis; transmitting the one or more geomagnetic map patches to a main mapping server for updating geomagnetic map data; receiving updated geomagnetic map data from the main mapping server; and transmitting the updated geomagnetic map data to one or more of the magnetic navigation devices for navigation and localization.",
  "title": "Correlating Overlapping Magnetic Measurement Data from Multiple Magnetic Navigation Devices and Updating a Geomagnetic Map with that Data"
}