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CN-121999574-A - Fall detection method and device, equipment and storage medium

CN121999574ACN 121999574 ACN121999574 ACN 121999574ACN-121999574-A

Abstract

The embodiment of the application discloses a fall detection method, a fall detection device, equipment and a storage medium, wherein the fall detection method is applied to electronic equipment, the electronic equipment comprises a first motion sensor and a containing cavity, the containing cavity is used for containing an audio playing device, the method comprises the steps of collecting first motion data of a user through the first motion sensor, obtaining second motion data sent by the audio playing device when the audio playing device is not contained in the containing cavity, and judging that the user falls according to the first motion data and the second motion data. The electronic equipment and the audio playing device can be used for more comprehensively analyzing the displacement conditions of the body when the user falls down, so that the accuracy of fall detection is improved, and the false alarm rate is reduced.

Inventors

  • NIE DONG

Assignees

  • 东莞市步步高教育软件有限公司

Dates

Publication Date
20260508
Application Date
20241105

Claims (11)

  1. 1. A fall detection method, characterized in that the method is applied to an electronic device comprising a first motion sensor and a housing cavity for housing an audio playing device, the method comprising: acquiring first motion data of a user through the first motion sensor, and acquiring second motion data sent by the audio playing device under the condition that the audio playing device is not contained in the containing cavity; and judging the user to fall down according to the first motion data and the second motion data.
  2. 2. The method according to claim 1, wherein the first movement data comprises a first movement parameter, the first movement parameter comprises a first acceleration and/or a first angular velocity, the second movement data comprises a second movement parameter, the second movement parameter comprises a second acceleration and/or a second angular velocity, the determining the user to fall from the first movement data and the second movement data comprises: And judging that the user falls down under the condition that the first motion data accords with a preset first condition and the second motion data accords with a preset second condition, wherein the preset first condition comprises that the first motion parameter is larger than or equal to a preset first threshold value, and the preset second condition comprises that the second motion parameter is larger than or equal to a preset second threshold value.
  3. 3. The method according to claim 2, wherein the determining that the user has fallen if the first movement data meets a preset first condition and the second movement data meets a preset second condition comprises: Determining whether the first motion data and the second motion data meet a preset verification condition under the condition that the first motion data meet a preset first condition and the second motion data meet a preset second condition, wherein the preset verification condition comprises that the ratio between the first motion parameter and the second motion parameter is in a target ratio interval; And judging that the user falls down under the condition that the first motion data and the second motion data accord with the preset verification condition.
  4. 4. A method according to any one of claims 1-3, wherein the second motion data is motion data within the same time frame as the first motion data, and the acquiring the second motion data transmitted by the audio playing device without the audio playing device being accommodated in the accommodating cavity includes: And acquiring the second motion data included in the motion data sent by the audio playing device according to the time range to which the first motion data belongs.
  5. 5. The method of claim 3, wherein the electronic device further comprises a barometric pressure sensor, the target ratio interval is determined from different barometric pressure values corresponding to the electronic device being in different positions, the method further comprising: Acquiring a first air pressure value of the electronic equipment at a first position and a second air pressure value of the electronic equipment at a second position, wherein the first position is a wearing position of the electronic equipment when the user is in a standing state, and the second position is a position of the same height as the wearing position of the audio playing device when the user is in the standing state; determining a target height difference between the first location and the second location based on the first barometric pressure value and the second barometric pressure value; and determining the target proportion interval according to the target height difference and a preset mapping relation, wherein the preset mapping relation comprises a mapping relation between the preset height difference and the preset proportion interval.
  6. 6. The method of claim 1, wherein the determining that the user has fallen based on the first motion data and the second motion data, the method further comprises: and controlling the electronic equipment and/or the audio playing device to output fall alarm information, wherein the fall alarm information is used for indicating that the electronic equipment detects that the user falls.
  7. 7. The method according to claim 6, wherein after the controlling the electronic device and/or the audio playback apparatus to output fall alert information, the method further comprises: And under the condition that the electronic equipment does not acquire triggering operation of the user in a preset time period after the falling alarm information is output, help seeking information is sent to a preset emergency contact object, the help seeking information comprises current position information of the user, the triggering operation is used for stopping outputting the falling alarm information, the triggering operation comprises the user triggering an alarm cancellation control displayed on a display screen of the electronic equipment, or the user moves the electronic equipment to enable third motion data acquired by the first motion sensor to meet a preset third condition, the third motion data comprises a third motion parameter, the third motion parameter comprises a third acceleration and/or a third angular velocity, and the preset third condition comprises that the third motion parameter is larger than or equal to a preset third threshold.
  8. 8. The method of claim 1, wherein the audio playback device includes a wear detection device, and wherein after the acquiring the second motion data transmitted by the audio playback device without the audio playback device being housed in the housing cavity, the method further comprises: Acquiring wearing state information which is transmitted by the audio playing device and is in the same time range as the second motion data, wherein the wearing state information is acquired by the wearing detection device; and under the condition that the wearing state information indicates that the audio playing device is not in the wearing state, judging that the user falls down according to the first motion data.
  9. 9. The utility model provides a fall detection device, its characterized in that, fall detection device includes first motion sensor and accommodation chamber, the accommodation chamber is used for accomodating audio playback device, includes: The data acquisition module is used for acquiring first motion data of a user through the first motion sensor and acquiring second motion data sent by the audio playing device under the condition that the audio playing device is not contained in the containing cavity; And the falling detection module is used for judging the falling of the user according to the first motion data and the second motion data.
  10. 10. A computer device comprising a memory and a processor, the memory storing a computer program executable on the processor, characterized in that the processor implements the steps of the method of any of claims 1 to 8 when the program is executed.
  11. 11. A computer readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, implements the method according to any one of claims 1 to 8.

Description

Fall detection method and device, equipment and storage medium Technical Field The embodiment of the application relates to the technical field of data processing, and relates to a fall detection method, a fall detection device, equipment and a storage medium. Background With public importance on safety and health problems, electronic devices with fall detection function are becoming popular. Taking a smart watch as an example, the electronic device can detect whether a wearer falls through a built-in acceleration sensor, a gyroscope or other sensing devices, and send out an alarm when the wearer falls, so that the wearer is ensured to obtain help in time. However, such electronic devices, especially those with a relatively fixed position as a smart watch, may falsely trigger a fall alarm due to the intense movement of the wrist, resulting in false alarms. In addition, under some usage scenarios, the characteristics of the falling event can not be captured, so that some real falling events are omitted, and the usage experience of the user is affected. Disclosure of Invention In view of this, the fall detection method, the fall detection device, the equipment and the storage medium provided by the embodiment of the application can more comprehensively analyze the displacement condition of the body when the user falls based on the motion data collected by the electronic equipment and the audio playing device, improve the accuracy of fall detection and reduce the false alarm rate. The method, the device, the equipment and the storage medium for detecting falling provided by the embodiment of the application are realized as follows: A first aspect of the application provides a fall detection method for an electronic device comprising a first motion sensor and a housing for receiving an audio playing device, the method comprising: acquiring first motion data of a user through the first motion sensor, and acquiring second motion data sent by the audio playing device under the condition that the audio playing device is not contained in the containing cavity; and judging the user to fall down according to the first motion data and the second motion data. With reference to the first aspect, in a possible embodiment, the first motion data includes a first motion parameter, the first motion parameter includes a first acceleration and/or a first angular velocity, the second motion data includes a second motion parameter, the second motion parameter includes a second acceleration and/or a second angular velocity, and determining that the user falls according to the first motion data and the second motion data includes: And judging that the user falls down under the condition that the first motion data accords with a preset first condition and the second motion data accords with a preset second condition, wherein the preset first condition comprises that the first motion parameter is larger than or equal to a preset first threshold value, and the preset second condition comprises that the second motion parameter is larger than or equal to a preset second threshold value. With reference to the first aspect, in a possible embodiment, the determining that the user falls when the first motion data meets a preset first condition and the second motion data meets a preset second condition includes: and judging that the user falls under the condition that the first motion data and the second motion data accord with the preset verification condition, wherein the preset verification condition comprises that the ratio between the first motion parameter and the second motion parameter is in a target ratio interval. With reference to the first aspect, in a possible embodiment, the second motion data is motion data in the same time range as the first motion data, and the acquiring, when the audio playing device is not received in the receiving cavity, the second motion data sent by the audio playing device includes: And acquiring the second motion data included in the motion data sent by the audio playing device according to the time range to which the first motion data belongs. With reference to the first aspect, in a possible embodiment, the electronic device further includes an air pressure sensor, the target proportion interval is determined according to different air pressure values corresponding to different positions of the electronic device, and the method further includes: Acquiring a first air pressure value of the electronic equipment at a first position and a second air pressure value of the electronic equipment at a second position, wherein the first position is a wearing position of the electronic equipment when the user is in a standing state, and the second position is a position of the same height as the wearing position of the audio playing device when the user is in the standing state; determining a target height difference between the first location and the second location based on the first barometric pressure val