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Posture state estimation device and posture state estimation method

A state estimation and posture technology, applied in computing, computer components, image analysis, etc., can solve problems such as different posture states

Active Publication Date: 2016-07-06
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, the prior art has the problem that it cannot be estimated with high accuracy due to the different pose states

Method used

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  • Posture state estimation device and posture state estimation method
  • Posture state estimation device and posture state estimation method
  • Posture state estimation device and posture state estimation method

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Embodiment Construction

[0060] An embodiment of the present invention will be described in detail below with reference to the drawings.

[0061] In the following description, a "part" refers to a collection of parts divided by joints in the human body.

[0062] That is, the sites are, for example, the head, shoulders, right upper arm, right forearm, left upper arm, left forearm, above the right knee, below the right knee, above the left knee, and below the left knee. In addition, the "part area" refers to an area that a certain part can occupy in an image, that is, a movable range of a part.

[0063] In addition, the "part axis" refers to the imaginary center axis of the longitudinal direction of a part. Specifically, a part axis refers to a line segment connecting a first joint connecting a part to another first part on the reference part side and a second joint or a part end connecting a part to another second part. For example, a part axis may be defined by a set of first joint coordinate informat...

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Abstract

Disclosed is a posture state estimation device capable of estimating the posture state of an object having joints with high accuracy. The posture state estimating device (100) estimates the posture state of an object based on image data obtained by photographing an object having a plurality of parts connected by joints, and includes: a part candidate extraction unit (140) that extracts the position of the part from the image data part candidate; supplementary part candidate extracting unit (160), which estimates that part of the unextracted part that has not been extracted as a part candidate by the part candidate extracting unit (140) is extracted by the part candidate extracting unit (140) to the extracted part of the part candidate Part occlusion, extracting part candidates of unextracted parts from the image data; and a posture state estimating unit (170), which estimates the posture state of the object based on the extracted part candidates.

Description

technical field [0001] The present invention relates to a posture state estimation device and a posture state estimation method for estimating the posture state of an object based on image data obtained by photographing an object having a plurality of parts connected by joints. Background technique [0002] In recent years, research on human pose estimation based on image data of captured moving images has been actively conducted. This is because if it is possible to determine human behavior from moving images by computer analysis, it is possible to perform behavior analysis in various fields without relying on manpower. Examples of behavior analysis include abnormal behavior detection on the street, purchase behavior analysis in stores, work efficiency assistance in factories, and posture guidance during exercise. [0003] Therefore, for example, Patent Document 1 describes a technique for estimating a person's posture state based on image data captured by a monocular came...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/60
CPCG06T2207/10016G06T2207/10024G06T2207/20076G06T2207/30196G06T7/73G06T7/75G06F18/22
Inventor 川口京子田靡雅基丸谷健介里雄二藤田光子
Owner PANASONIC CORP