{
  "$type": "site.standard.document",
  "description": "Since an image processing unit (5A) for determining the acceleration of a pantograph by processing the image of a marker captured by a line sensor camera (2) comprises a input image creating unit (5a) for creating an input image, a template setting unit (5b) for setting a template, an image diving…",
  "path": "/patents/1004196",
  "publishedAt": "2012-03-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L5/26",
    "MEIDENSHA ELECTRIC MFG CO LTD [JP]"
  ],
  "textContent": "Since an image processing unit (5A) for determining the acceleration of a pantograph by processing the image of a marker captured by a line sensor camera (2) comprises a input image creating unit (5a) for creating an input image, a template setting unit (5b) for setting a template, an image diving unit (5c) for dividing the input image, a template enlarging/reducing unit (5d) for enlarging/reducing the template, a pattern matching unit (5e) for detecting the pixel position of the marker in the input image, a pantograph displacement calculating unit (5f) for converting the pixel position of the marker into the actual displacement of the pantograph, a filtering unit (5g) for smoothing the displacement of the pantograph, and an acceleration output unit (5h) for outputting the acceleration of the pantograph; the accuracy of the pattern matching is improved.",
  "title": "DEVICE FOR MEASURING DISPLACEMENT OF PANTOGRAPH AND METHOD FOR DETECTING HARD SPOT OF TROLLEY WIRE"
}