{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A method of operation of a navigation system comprising: receiving multiple frames, including a first frame and a second frame, of images; detecting a traffic sign from the images between the first frame and the second frame based on a sign recognition model; extracting a first image from the first…",
  "path": "/patents/1337456",
  "publishedAt": "2023-02-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G06K9/00818",
    "TeleNav, Inc."
  ],
  "textContent": "A method of operation of a navigation system comprising: receiving multiple frames, including a first frame and a second frame, of images; detecting a traffic sign from the images between the first frame and the second frame based on a sign recognition model; extracting a first image from the first frame and a second image from the second frame; matching the traffic sign is the same in the first image and the second image based on a similarity model; generating a sign location of the traffic sign with an inertial measurement unit reading based on the first image and the second image; and generating a global coordinate for the sign location for displaying on a navigation map.",
  "title": "NAVIGATION SYSTEM WITH MONO-CAMERA BASED TRAFFIC SIGN TRACKING AND POSITIONING MECHANISM AND METHOD OF OPERATION THEREOF"
}