{
  "$type": "site.standard.document",
  "description": "This walk discrimination device is provided with: a data reception unit for receiving sensor data that includes an acceleration and an angular speed acquired by a sensor provided to a shoe in order to measure the walk of a pedestrian for each single step on the basis of the sensor data; an…",
  "path": "/patents/1317504",
  "publishedAt": "2022-05-12T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C23/00",
    "NEC CORPORATION"
  ],
  "textContent": "This walk discrimination device is provided with: a data reception unit for receiving sensor data that includes an acceleration and an angular speed acquired by a sensor provided to a shoe in order to measure the walk of a pedestrian for each single step on the basis of the sensor data; an acceleration determination unit for determining whether the acceleration included in the sensor data is positive or negative; an attitude angle calculation unit which calculates an attitude angle using the acceleration and the angular speed included in the sensor data; an attitude angle determination unit which determines whether or not the attitude angle calculated by the attitude angle calculation unit has exceeded a threshold value and determines whether or not a peak of the attitude angle has been detected; a walk discrimination unit which discriminates a walk on the basis of a sequence of the determinations made by the acceleration determination unit and the attitude angle determination unit; and an output unit which outputs a discrimination result provided by the walk discrimination unit.",
  "title": "WALK DISCRIMINATION DEVICE, WALK DISCRIMINATION METHOD, AND PROGRAM RECORDING MEDIUM"
}