{
  "$type": "site.standard.document",
  "description": "A robotic work tool (100) comprising one or more satellite navigation sensors (175), a visual sensor (185) and a controller (110), wherein the controller (110) is configured to utilize the one or more satellite navigation sensors (175) to determine a reference for a ground-plane estimation and to…",
  "path": "/patents/1386406",
  "publishedAt": "2026-04-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "A01D34/008",
    "HUSQVARNA AB [SE]"
  ],
  "textContent": "A robotic work tool (100) comprising one or more satellite navigation sensors (175), a visual sensor (185) and a controller (110), wherein the controller (110) is configured to utilize the one or more satellite navigation sensors (175) to determine a reference for a ground-plane estimation and to utilize the visual sensor (185) to perform visual odometry navigation, and to utilize ground-plane estimation based on the visual sensor (185) and the reference from the satellite navigation sensors (175) to provide a scale (TS) for the visual odometry navigation.",
  "title": "IMPROVED VISUAL NAVIGATION FOR A ROBOTIC WORK TOOL"
}