Sitting posture detection method based on sitting posture depth image

A technology of depth image and detection method, which is applied in the direction of instruments, character and pattern recognition, computer parts, etc., can solve the problems of low accuracy of sitting posture detection, color images are easily exposed to light, and the scope of use is limited, so as to correct bad sitting posture Custom, good portability and flexibility, use a wide range of effects

Inactive Publication Date: 2017-09-15
湖南巨汇科技发展有限公司
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Problems solved by technology

However, there are still some defects in these methods at present, such as color images are easily affected by light and complex backgrounds; the method of sitting posture detection through binocular cameras, the accuracy of depth images is not high, which will cause errors in sitting posture detection; When the fixed camera in the desk is used for i

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  • Sitting posture detection method based on sitting posture depth image
  • Sitting posture detection method based on sitting posture depth image
  • Sitting posture detection method based on sitting posture depth image

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Embodiment Construction

[0045] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0046] This embodiment includes the following steps:

[0047] (1) Obtain the sitting posture depth image of the human body through the depth sensor (this embodiment takes the sitting posture depth image of 320*240 resolution as an example. If it is a depth image of other resolutions, the corresponding parameters are transformed in proportion) and the sitting posture depth image The depth distance values ​​of all pixels in ;

[0048] (2) Segment the sitting posture depth image, remove the interference of the external background and the human body, and obtain the sitting posture segmentation image; the specific method is as follows:

[0049] (2-1) Reference figure 2 , in the sitting depth image, select two fixed areas: the first area is a rectangular box E (a rectangular box of 30*30 pixels at the center of the sitting depth image); ...

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Abstract

A sitting posture detection method based on a sitting posture depth image includes the steps of (1) obtaining a sitting posture depth image of a human body through a depth sensor and a depth distance value of all pixel pints in the sitting posture depth image; (2) segmenting the sitting posture depth image, and removing interference of an external background and the human body, so as to obtain a sitting posture segmented image; (3)determining key points through the sitting posture segmented image which include a head vertex, a head central point, a left shoulder point, a right shoulder point, a shoulder central point and a body central point; and (4) judging a sitting posture according to the key points. The sitting posture detection method based on the sitting posture depth image is high in sitting posture detection accuracy, sitting posture detection can be performed through sitting posture detection software only by connection of a mobile phone with the depth sensor, and the method is convenient to use and wide in range of application, and has very good portability and flexibility.

Description

technical field [0001] The invention relates to a sitting posture detection method, in particular to a sitting posture detection method based on a sitting posture depth image. Background technique [0002] Nowadays, due to the needs of study and work, people spend more and more time sitting and standing every day. According to statistics, people now spend more than 8 hours sitting and standing on average every day. In the case of sitting and standing for a long time, because it is difficult for people to maintain a good sitting and standing posture all the time, it is easy to have bad sitting postures such as being too close to the desk, leaning the body, and tilting the head. Over time, it is easy to suffer from myopia, strabismus, lumbar spine diseases, cervical spine diseases, etc., which seriously affect people's health. Therefore, in order to encourage people to correct bad sitting posture, develop good sitting posture habits, and reduce the probability of suffering fr...

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Application Information

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IPC IPC(8): G06K9/00G06K9/34G06K9/46
CPCG06V40/10G06V10/267G06V10/44
Inventor 许德球罗武胜杜列波鲁琴
Owner 湖南巨汇科技发展有限公司
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