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Processing apparatus and method for determining an ambulation motion of a subject

A processing device, a technology for walking motion, used in applications, character and pattern recognition, medical automation diagnosis, etc., to achieve the effect of improving accuracy and accuracy

Active Publication Date: 2019-03-01
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One problem with vital sign measurement is that proper interpretation of vital signs requires contextual information about what the patient is doing and / or has been doing that could potentially affect the vital signs

Method used

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  • Processing apparatus and method for determining an ambulation motion of a subject
  • Processing apparatus and method for determining an ambulation motion of a subject
  • Processing apparatus and method for determining an ambulation motion of a subject

Examples

Experimental program
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Embodiment Construction

[0056] figure 1A first embodiment of a system 1 for determining a walking motion of a subject 100 according to an aspect of the invention is schematically shown. The system 1 comprises an accelerometer 5 adapted to obtain accelerometer data indicative of torso motion of the subject 100 . Based on this, the processing device 10 is able to determine the walking motion of the subject 100 .

[0057] as in figure 1 As shown in the non-limiting example of , the system 1 can be applied at various positions P1 , P2 , P3 on or on the torso of the subject 100 . The exact orientation and position in which the subject 100 applies the system 1 may vary, especially since the device is not necessarily applied by a trained health care professional, but may be applied by the subject himself. In other words, the application or attachment of the system 1 comprising the accelerometer 5 can be done in an unsupervised manner. The subject 100 can place the system at several locations on the tors...

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PUM

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Abstract

The present invention relates to a processing apparatus (10), system (1) and method (20) for determining an ambulation motion of a subject. Advantageously also a slow ambulation motion may be detected. The processing apparatus is configured to perform the steps of obtaining accelerometer data indicative of a trunk motion of the subject; extracting one or more orthogonal motion components from high-pass filtered accelerometer data; determining a gravity component from low-pass filtered accelerometer data; comparing a direction of at least one of said orthogonal motion components with a direction of the gravity component; and classifying a motion of the subject as ambulation if said motion component is orthogonal or parallel to said gravity component.

Description

technical field [0001] The present invention relates to a processing device, system and method for determining a walking motion of a subject. The invention also relates to a corresponding computer program for carrying out the method. Background technique [0002] A person's vital signs, such as heart rate (HR), can serve as an indicator of the person's current state, and as a strong predictor of serious medical events. In a clinical setting, vital signs are usually measured under well-controlled conditions. The measuring device is applied by a trained professional in the correct orientation and at the predetermined location. Furthermore, vital signs are measured in a known context, for example, when the patient is well rested or performing a predetermined exercise, such as in an exercise ECG measurement ordered by a nurse. [0003] With the advent of smaller, cheaper, and less obtrusive devices, monitoring health status at home or in other non-clinical settings has become...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00A61B5/11G06K9/00G06K9/62
CPCA61B5/7264A61B5/112A61B5/1123A61B5/6823A61B5/7225G16H50/20G06F2218/12A61B5/00G06F18/00A61B2562/0219G06V40/25
Inventor R·M·M·德尔克斯B·B·A·J·布卢蒙达尔V·A·R·阿尔特斯
Owner KONINKLJIJKE PHILIPS NV
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