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Image-based motion analysis system and method

An image and relationship technology, applied in the field of motion analysis, which can solve the problems of limited accuracy of motion analysis and not suitable for high-accuracy motion analysis.

Active Publication Date: 2020-04-28
DYACO INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Kinect TM The accuracy of the system's motion analysis is extremely limited, so it is not suitable for high-accuracy motion analysis applications

Method used

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  • Image-based motion analysis system and method
  • Image-based motion analysis system and method
  • Image-based motion analysis system and method

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Embodiment Construction

[0083] Embodiments of the invention are disclosed below, which are illustrated in the accompanying drawings. The same or similar components are denoted by the same component symbols in all figures.

[0084] The following descriptions and drawings constitute a part of this specification, and are used to illustrate the purpose, features and characteristics of the embodiments of the present invention, the operation method and the functions of related components of the structure, the combination of components and the economical effect of production. The accompanying drawings are used for illustration only, and are not intended to limit the present invention. The singular forms in the specification and claims also cover the plural unless otherwise stated.

[0085] An embodiment of the present invention provides a system for using an image of a subject to determine posture-related information of the subject. The system includes: a memory for storing a set of instructions; and proce...

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Abstract

A method of using an image of a subject to determine pose-related information of the subject, the method comprising: determining a first position of a first pair of joints according to a first image of a first body of a first body segment associated with the first pair of joints limb length; according to the second image to determine the second position of the second pair of joints and the second body limb length of the second body limb related to the second pair of joints; according to reduce the length of the first body limb and the second body Algorithm of difference in length of limbs to determine whether the first pair of joints and the second pair of joints correspond to the same pair of joints; if the first pair of joints and the second pair of joints correspond to the same pair of joints, then the body is determined according to the second position posture information; and related instructions that provide posture information.

Description

technical field [0001] The present invention relates to motion analysis, in particular to a system and method for determining and analyzing motion of a subject based on images. Background technique [0002] Motion analysis is an important discipline of biomechanics that is relevant to various applications such as balance assessment, measurement of force sensing, exercise science training, analysis of physical therapy, and operation of fitness equipment. Motion analysis is generally performed based on images. When a subject (such as a human) performs a specific action, the system captures a series of images for the subject. Based on the series of images, the system determines the position of each body segment of the subject at a specific time. According to the position information, the system can determine the action and / or posture of the subject at that time. [0003] Current technology provides many methods to perform image-based motion analysis. One method of motion ana...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/01
CPCA63B71/0622A61B5/11A63B22/0056A63B22/02A63B22/0605A63B22/0664A63B2220/05A63B2220/10A63B2220/806A63B2220/807A63B2225/02A63B2225/20A63B2225/50A61B5/1121A61B5/1128G16H50/50G16H20/30G06V40/23G06T7/136G06T7/251G06T2207/10016G06T2207/30004G06T2207/30196G06T2207/30221
Inventor 吕东武卢炫纶林晟楷江昊
Owner DYACO INT INC
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