{
  "$type": "site.standard.document",
  "description": "A beach erosion detection and quantitative calculation method based on unmanned aerial vehicle mapping is provided, including the following steps: S, configuring unmanned aerial vehicles; S, obtaining beach aerial image data in different periods by using the unmanned aerial vehicle; S, delineating…",
  "path": "/patents/1425212",
  "publishedAt": "2026-06-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G06T7/55",
    "First Institute of Oceanography, Ministry of Natural Resources"
  ],
  "textContent": "A beach erosion detection and quantitative calculation method based on unmanned aerial vehicle mapping is provided, including the following steps: S, configuring unmanned aerial vehicles; S, obtaining beach aerial image data in different periods by using the unmanned aerial vehicle; S, delineating a plurality of sections on the beach, and extracting elevation data of the sections from the multi-period data by using the aerial images processed; S, in order to unify the reference boundary of multi-period aerial photography data, a unified lowest water line is defined, and the upper boundary is the coastline; S, automatically identifying and predicting factors affecting beach erosion; S, performing real-time erosion prediction and future erosion trend simulation; S, calculating the total amount of beach erosion, and comparing the sand amount in each grid to get the distribution characteristics of beach erosion change.",
  "title": "Beach erosion detection and quantitative calculation method based on unmanned aerial vehicle mapping"
}