TW201917528A - Method for monitoring head-neck postures by monitoring angles of the head-neck to avoid undesired postures - Google Patents

Abstract

The present invention relates to a method for monitoring head-neck postures, which monitors angles of the head-neck to avoid undesired postures. The method utilizes a front-view camera lens that is commonly built on devices such as a vehicle system, a computer screen, or a mobile phone to capture characteristic information of a human body to determine changes in the head-neck posture of an user while using these devices. Human facial information and torso information are used to determine the proportion of features (such as: eye orbid, nose, chin, clavicle, and shoulder peaks) relative to images of various preset head-neck postures, in conjunction with the information of a three-axis motion sensor on a mobile device, and changes in the angle of the head-neck in the air can be estimated. This method can be applied to detect whether a user maintains undesired head-neck postures for a long period of time, and if positive, a warning message is sent to remind the user, this being of help for improving clinical head-neck problems caused by postures.

Description

Head and neck posture monitoring method

The present invention relates to a monitoring method, and more particularly to a method of monitoring poor posture of the head and neck.

Generalized face recognition actually includes a series of related technologies for constructing face recognition systems, including face image acquisition, face localization, face recognition preprocessing, and identity confirmation; while narrow face recognition specifically refers to face passing. A technology or system for identity verification or identity discovery.

Face recognition is a popular field of computer technology research. It belongs to biometric identification technology, which is a biological feature of an organism (generally referred to as a person) to distinguish organisms. Biometrics studied by biometrics include face, fingerprint, palmprint, iris, retina, sound (speech), body shape, personal habits (such as the strength and frequency of typing on the keyboard, signature), etc., and the corresponding recognition technology is available. Face recognition, fingerprint recognition, palmprint recognition, iris recognition, retina recognition, speech recognition (identification by voice recognition, voice content recognition, only the former belongs to biometric recognition technology), body shape recognition, keyboard stroke recognition , signature identification, etc.

Modern people often need to sit in the office for a long time, even after work, they may slide their phones while riding a car, or look at the tablet in the coffee shop. In addition, it takes a long time to concentrate on the driving state when driving. If you drive a computer for a long time, use a computer or a mobile phone, a tablet, etc., you don’t pay attention to your posture, and you have a hunchback so that the structure of the muscle ligament joints such as the shoulder and neck can withstand improper pressure. Causes pain in the neck and neck muscles, or even the formation of spurs and nerve compression.

In order to solve the above problems, the present invention combines the feature point recognition technology of the face and the trunk, and provides a method for monitoring the head and neck posture, so that the modern person can use the method in various situations in which the electronic device is used for a long time and maintains the posture. A warning message is sent to remind the user to adjust their head and neck posture.

It is an object of the present invention to provide a method of head and neck posture monitoring. It is to use the camera lens on the fixed device to record the face and torso information to judge the feature points (such as: eyelids, nose, chin, clavicle, and shoulders, etc.) relative to various preset head and neck postures (eg, center posture) The position ratio of the image of the maximum neck flexion posture and the maximum neck extension posture is used to estimate the change in the angle of the head and neck in space.

Another object of the present invention is to provide a three-axis motion sensor using the above-mentioned feature point analysis and re-use on an electronic device (eg, a mobile phone or a tablet computer), that is, it can be judged that the user can operate for a long time. The change in the angle between the head and neck when moving the electronic device.

For the above purpose, the present invention provides a method for monitoring a head and neck posture, the method comprising: using an electronic device, the electronic device having an image capturing device, wherein the image capturing device captures an image, the image includes a head And a top portion of a torso, a server receives the image, and according to a position ratio of a feature point in the image relative to the full face and the upper body, to generate a first ratio value, and then calculating the first ratio value and a pre- Setting a difference between the proportional values, corresponding to obtaining a neck angle, determining the neck angle and a preset angle, when the neck angle is greater than the preset angle, accumulating a time, and when the number exceeds a preset time At the time, it was judged that the neck was maintained in a bad posture.

The present invention provides an embodiment in which an image capturing device is used to capture an image. The image includes a head and a top portion of the torso. The image further includes a database for storing a plurality of preset postures.

The present invention provides an embodiment in which the plurality of preset postures are a median posture, a maximum neck flexion posture, and a maximum neck extension posture.

The present invention provides an embodiment in which an image capturing device is used to capture an image, and the image includes a head and a top portion of the torso, and further includes the database, and the preset ratio value is stored. The preset angle and the preset time.

The present invention provides an embodiment in which, after the number of times exceeds a predetermined time, the step of determining that the neck is maintained in a bad posture further includes transmitting a warning message to the electronic device.

The present invention provides an embodiment in which the warning information is one of sound, video and text.

In this way, the present invention can enable a modern person to issue warning information when driving, or using any electronic device such as a mobile phone, a computer, a tablet, or watching a television, and having a bad posture such as shoulder or neck pain or back pain caused by prolonged posture. Remind the user that the neck angle is incorrect.

In order to provide a better understanding and understanding of the features and the efficacies of the present invention, the preferred embodiment and the detailed description are as follows:

In the following, the invention will be described in detail by way of illustration of various embodiments of the invention. However, the inventive concept may be embodied in many different forms and should not be construed as being limited to the illustrative embodiments set forth herein.

The invention provides a method for monitoring head and neck postures in order to solve shoulder and neck pain caused by prolonged posture failure. First, please refer to FIG. 1 , which is a flow chart of a method for monitoring head and neck posture according to the present invention. As shown in the figure, the method for monitoring head and neck posture of the present invention includes the following steps:

Step S1: capturing an image;

Step S3: receiving an image;

Step S5: determining the location;

Step S7: generating a proportional value;

Step S9: calculating a difference value;

Step S11: obtaining an angle;

Step S13: determining an angle;

Step S15: accumulating time;

Step S17: determining the time;

Step S19: It is determined that the neck is maintained in a bad posture.

Next, a system required to achieve the method of head and neck posture monitoring of the present invention will be described, see Fig. 2. As shown in the figure, a system diagram of a method for monitoring head and neck posture according to the present invention, a method for monitoring head and neck posture according to the present invention, the system includes: an electronic device 400, an image capturing device 500, a server 520, and a data Library 540.

The electronic device 400 is connected to the server 520, and the server 520 is connected to the database 540. The database 540 stores a preset ratio value 542, a preset angle 544, and a preset time 546.

Hereinafter, a flow of a method for monitoring head and neck posture according to an embodiment of the present invention will be described. Please refer to FIG. 1 and FIG. 2 together.

In step S1, the image capturing device 500 captures an image, which includes a head and a top half of the torso.

In step S3, the server 520 receives the image captured by the image capturing device 500.

In step S5, the server 520 determines the position ratio of each feature point in the image with respect to the entire face and the upper body, wherein each feature point is an eyelid, a nose, and a chin.

In step S7, the server 520 will generate a first scale value.

In step S9, the server 520 calculates the preset ratio value 542 stored in the database 540 and the generated first ratio value, and calculates a difference between the two, wherein the preset in the database 540 The scale value 544 is calculated according to each feature point in the front image, and the position ratio of each feature point relative to the entire face is calculated as the preset scale value 544.

In step S11, it is assumed that the preset scale value 544 corresponds to an angle of 0 degrees, and the server 520 can use the difference to obtain a neck angle.

In step S13, the server 520 determines whether the neck angle is greater than the preset angle 544 stored in the database 540. If the neck angle is greater than the preset angle 544, step S15 is performed to accumulate a time; When the angle of the portion is less than or equal to the preset angle 544, the process returns to step S1.

In step S17, the server 520 determines whether the time is greater than the preset time 546 in the database 540. If yes, the step S19 is executed to determine that the neck is maintained in a bad posture, and if not, return to step S1.

Among them, as shown in Figures 4 to 6, the neck pressure is 0-12 lbs when the neck angle is 0 degrees, and the neck pressure is 40 lbs when the neck angle is 30 degrees, as shown in the figure. The greater the angle shown, the greater the pressure on the neck.

Continue to refer to FIG. 3, which differs from FIG. 1 in step S41. As shown in the figure, a flow chart of a method for monitoring head and neck posture according to the present invention includes the following steps:

Step S21: capturing an image;

Step S23: receiving an image;

Step S25: determining the location;

Step S27: generating a proportional value;

Step S29: calculating a difference value;

Step S31: Obtain an angle;

Step S33: determining an angle;

Step S35: accumulating time;

Step S37: determining the time;

Step S39: determining that the neck is maintained in a bad posture;

Step S41: transmitting warning information.

Next, please refer to FIG. 2, and a flow of a method for monitoring head and neck posture according to an embodiment of the present invention will be described below. Steps S21 to S39 and steps S1 to S19 as in FIG. 1 are not described here.

In step S41, the server 520 transmits an alert message 522 to the electronic device 400.

Herein, a method for monitoring head and neck posture according to an embodiment of the present invention is completed, and the face and the trunk information are used to judge feature points (such as: eyelid, nose, chin, clavicle, and shoulder, etc.) relative to the full face. The position ratio is obtained, and the angle is changed. When the user's neck angle is greater than the preset angle, the time is accumulated. When the accumulated time exceeds a preset time, the user's neck posture is poor for one time, and the user can be determined. The neck is maintained in a bad posture, and a warning is given to the user, for example, one of sound, image and text, so as to prevent the user from paying attention to the neck posture when the electronic device is used for a long time, and the shoulder and neck are sore or Bad consequences such as back pain.

Next, a method for monitoring the neck angle by a user using the head and neck posture monitoring method of the present invention will be described below. Please refer to FIG. 2 to FIG. 4 as an example.

When a user uses any of the electronic devices 400, such as a mobile phone, a tablet computer, and a desktop computer, the image capturing device 500 captures images of the user's head and the upper half of the torso. S21; the image including the upper part of the head and the torso is received by the server 520, as in step S23; then the server 520 determines the position ratio of each feature point in the image with respect to the full face and the upper body, wherein each The feature points are the eyelid, the nose, the chin, the clavicle, the shoulder and the like, and generate a first proportional value, such as step S25 and step S27; the server 520 sets the preset ratio value 542 stored in the database 540 with the first A proportional value is calculated, and a difference between the two is calculated, as in step S29. If the preset proportional value 542 corresponds to an angle of 0 degrees, the server 520 can use the difference to obtain a neck angle, such as Step S31; the server will determine whether the neck angle is greater than the preset angle 544 stored in the database 540, as in step S33; if the neck angle is greater than the preset angle 544, step S35 is performed to accumulate a time; The neck angle is small Or equal to the preset angle 544, then return to step S21; the server 520 determines whether the number of times is greater than the preset time 546 in the database 540, as in step S37; otherwise, returns to step S21; if yes, executes step S39, when accumulating After a predetermined period of time, the user's neck posture is maintained for a period of time, and it can be determined that the user's neck is maintained in a bad posture, wherein, as shown in FIGS. 4 to 6, the neck angle is 0 degrees. The neck pressure is 10-12 lbs, and the neck pressure is 40 lbs when the neck angle is 30 degrees. The larger the angle shown, the greater the pressure on the neck; and the last warning is issued. The information 522 sends one of the sound, the image and the text to the electronic device 400. In step S41, the user will notice the warning information and adjust the neck posture, thereby preventing the user from paying attention to the neck when using the electronic device for a long time. Poor posture, resulting in shoulder and neck pain or back pain and other adverse consequences.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and the variations, modifications, and modifications of the shapes, structures, features, and spirits described in the claims of the present invention. All should be included in the scope of the patent application of the present invention.

400‧‧‧Electronic devices

500‧‧‧Image capture device

520‧‧‧Server

540‧‧‧Database

542‧‧‧Preset ratio

544‧‧‧Preset angle

546‧‧‧Preset time

522‧‧‧ Warning Information

1 is a flow chart of a method for monitoring head and neck posture according to an embodiment of the present invention; FIG. 2 is a schematic diagram of a system for monitoring head and neck posture according to an embodiment of the present invention; A flowchart of a method for monitoring head and neck posture according to an embodiment of the present invention; FIG. 4 is a schematic diagram of a method for monitoring head and neck posture according to an embodiment of the present invention; FIG. 5 is a schematic view of an embodiment of the present invention A schematic diagram of a method of head and neck posture monitoring; and a sixth diagram: a schematic diagram of a method for head and neck posture monitoring according to an embodiment of the present invention.

Claims (6)

A method for monitoring a head and neck posture, the method comprising: using an electronic device, the electronic device having an image capturing device, wherein the image capturing device captures an image, the image comprising a head and a top portion of a torso; a server receives the image; the server generates a first proportional value according to a position ratio of each feature point in the image relative to the full face and the upper body; and calculates a difference between the first proportional value and a preset ratio value, And determining, by the difference, a neck angle; determining the neck angle and a preset angle, when the neck angle is greater than the preset angle, accumulating a time; and when the number of times exceeds a preset time, determining The neck is maintained in a bad posture. The method for monitoring head and neck posture according to claim 1, wherein an image is captured by using an image capturing device, the image comprising a head and a top portion of the torso, further comprising a database It stores a plurality of preset gestures. The method for monitoring head and neck posture according to claim 2, wherein the preset postures are a middle posture, a maximum neck flex posture, and a maximum neck stretching posture. The method for monitoring head and neck posture according to claim 1, wherein an image is captured by using an image capturing device, the image comprising a head and a top portion of a torso, further comprising the database And storing the preset ratio value, the preset angle, and the preset time. The method for monitoring head and neck posture according to claim 1, wherein when the number of times exceeds a predetermined time, the step of determining that the neck is maintained in a bad posture further comprises transmitting a warning message to the electronic device. The method for monitoring head and neck posture as described in claim 6 wherein the warning information is one of sound, video and text.