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Upper limb joint movement degree measuring method based on Kinect sensor

A measurement method and sensor technology, applied in the field of medical information intelligent processing, can solve problems such as application and popularization limitations, and achieve the effects of good real-time performance, simple operation and simple equipment

Inactive Publication Date: 2014-06-04
NANTONG UNIVERSITY
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

Whether it is a 3D camera measurement system or an electromagnetic tracking system, a large investment in software and hardware is required, and there are relatively large limitations in application and popularization.

Method used

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  • Upper limb joint movement degree measuring method based on Kinect sensor
  • Upper limb joint movement degree measuring method based on Kinect sensor
  • Upper limb joint movement degree measuring method based on Kinect sensor

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Embodiment Construction

[0057] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the embodiments and accompanying drawings. The embodiments are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.

[0058] Such as figure 1 and figure 2 As shown, the present invention proposes a method for measuring the range of motion of upper limb joints based on the Kinect sensor. Joint range of motion such as deviation / ulnar deviation. During the measurement, the body-sensing human-computer interaction method is adopted, and the upper limb movement joint data is collected through the Kinect sensor, and the measurement results are automatically calculated and displayed in real time. The user can choose the measurement item by himself. In each item, the user determines the initial body position of the measurement according to the prompt. Execute upper bo...

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Abstract

The invention discloses an upper limb joint movement degree measuring method based on a Kinect sensor, comprising measuring projects of measuring shoulder joint buckling / stretching and adduction / abduction, elbow buckling / stretching, upper limb palmarflexion / dosal flexion and radial deviation / ulnar deviation and the like. In a measuring process, a sensing man-machine interaction manner is adopted and a position of each joint of an upper limb is captured through the Kinect sensor according to the movement of the upper limb of a detected person, so as to record, calculate and feed back joint movement degree information in real time, automatically finish measurement and directly obtain a measured result in real time; and therefore, the operation is simple and convenient. A user can select measurement projects by oneself; and in each project, the user can execute the movement of the upper limb according to an initial body position for promoting accurate measurement. When the executing movement does not accord with measurement requirements, a system has an error, and prompts and corrects unreasonable movement and postures by the user in time.

Description

technical field [0001] The invention relates to the field of intelligent processing of medical information, in particular to a method for measuring the range of motion of upper limb joints based on a Kinect sensor. Background technique [0002] Range of motion (ROM) refers to the arc or angle of motion through which a joint moves. In rehabilitation medicine, in order to determine whether there is joint mobility impairment and the degree of impairment, and to provide reference for the selection of treatment methods, it is necessary to carry out examination and evaluation of joint mobility. Joint range of motion examination is the most commonly used examination method when limb movement dysfunction is caused by various reasons. It is divided into active joint range of motion examination and passive joint range of motion examination. The former is produced by active muscle contraction, while the latter is completely generated by external force. , no voluntary muscle activity. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/103
Inventor 瞿畅王君泽张小萍高瞻丁晨
Owner NANTONG UNIVERSITY
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