{
  "$type": "site.standard.document",
  "description": "A range-finding method includes driving a moving member to move relative to a target to a first position, capturing a picture of the target in the first position to obtain a first picture by a picture capturing module on the moving member, feature-analyzing the first picture to obtain a first…",
  "path": "/patents/972423",
  "publishedAt": "2014-07-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C3/02",
    "ZONG JING INVEST [TW]"
  ],
  "textContent": "A range-finding method includes driving a moving member to move relative to a target to a first position, capturing a picture of the target in the first position to obtain a first picture by a picture capturing module on the moving member, feature-analyzing the first picture to obtain a first feature image of the first picture; driving the moving member to move relative to the target from the first position to a second position, capturing a picture of the target in the second position to obtain a second picture by the picture capturing module, feature-analyzing the second picture to obtain a second feature image of the second picture, and by a processing unit, computing a distance between the moving member in the second position and the target according to a distance between the first and second positions and a size change between the first and second feature images.",
  "title": "Range-finding method and computer program product"
}