CN108334812A - Automatic detection sitting posture method and device - Google Patents
Automatic detection sitting posture method and device Download PDFInfo
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- CN108334812A CN108334812A CN201711446634.XA CN201711446634A CN108334812A CN 108334812 A CN108334812 A CN 108334812A CN 201711446634 A CN201711446634 A CN 201711446634A CN 108334812 A CN108334812 A CN 108334812A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/94—Hardware or software architectures specially adapted for image or video understanding
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Abstract
The invention discloses a kind of automatic detection sitting posture method and devices, include the following steps：Step S10 obtains first pressure value suffered on seat, and judges whether the first pressure value belongs to pre-set pressure range；Step S20 obtains the first sitting posture image, and the first sitting posture image is compared with pre-set image, to form the first result if the first pressure value belongs to the pre-set pressure range；First result is sent on mobile terminal to show by step S30.The present invention solve it is existing in the prior art, be based only upon pressure detecting for sitting posture detection there are the low technical problems low with accuracy of stability, to reach the technique effect to correctly being prompted whether current sitting posture standard.
Description
Technical field
The invention belongs to sitting posture detection technique fields, more particularly to a kind of automatic detection sitting posture method and device.
Background technology
Currently, as the improvement of people's living standards, and children using seat scene it is more and more, correctly sit
Appearance is more and more important for the growth and development of children, and a kind of prompting child of the intelligence of science takes the system solution of correct sitting posture
Certainly scheme is extremely urgent.
It is existing for sitting posture detecting method, such as：A kind of Intelligent seat system of application number 201710018407.0 and
Its detection method, the sitting posture state issues that children can be allowed to recognize in time, effectively intervenes sitting posture, children is promoted to form one
A good sitting posture custom；It sends simultaneously on sitting or abnormal sitting posture or mostly dynamic relative alarm signal to cell phone software, for family
Long teacher checks related data.After analysis, actually it is unlikely to be stationary since people is sitting on chair, slightly
Micro- twisting is just easy triggering unbalance stress, to trigger the prompting of abnormal sitting posture.So this is not a kind of right sitting position of science
Method, there are many defects.
Therefore, the prior art is to be improved.
Invention content
It is a primary object of the present invention to propose a kind of automatic detection sitting posture method and device, to solve to deposit in the prior art
, being based only upon pressure detecting, there are the low technical problems low with accuracy of stability for sitting posture detection, to reach to current
The technique effect correctly prompted whether sitting posture standard.
In order to solve the above-mentioned technical problem, automatic detection sitting posture method of the invention, includes the following steps：
Step S10 obtains first pressure value suffered on seat, and judges whether the first pressure value belongs to preset pressure
Range；
Step S20 obtains the first sitting posture image if the first pressure value belongs to the pre-set pressure range, and by described the
One sitting posture image is compared with pre-set image, to form the first result；
First result is sent on mobile terminal to show by step S30.
Preferably, before the step S10, including step：
Step S1, every preset time period launch infrared ray to seat region；
Step S2 obtains the infrared image of the seat region to judge whether that someone is sitting on seat, if taking
On seat, step S10 is executed；
Preferably, in the step S30, first result includes the angular deviation of three axial directions.
Preferably, further include：
Step S40 shows the first sitting posture image and the pre-set image on the mobile terminal screen.
Preferably, the step S20 includes：
Step S21 obtains the second pressure suffered on the seat if the first pressure value belongs to the pre-set pressure range
Force value, and judge whether the second pressure value is more than preset pressure value；
Step S22 obtains the first sitting posture image, and by described first if the second pressure value is more than the preset pressure value
Sitting posture image is compared with pre-set image, to form the first result.
The present invention also provides a kind of automatic detection sitting posture devices, including：
First acquisition module for obtaining first pressure value suffered on seat, and judges whether the first pressure value belongs to
In pre-set pressure range；
Second acquisition module obtains the first sitting posture image if belonging to the pre-set pressure range for the first pressure value, and
The first sitting posture image is compared with pre-set image, to form the first result；
Display module, for first result to be sent on mobile terminal to show.
Preferably, further include：
Projection module launches infrared ray for every preset time period to seat region；
Computing module, the infrared image for obtaining the seat region, and calculate the crowd of the seat region
Density.
Preferably, first result includes the angular deviation of three axial directions.
Preferably, the first sitting posture image and the pre-set image are shown on the mobile terminal screen.
Preferably, the second acquisition module includes：
Judgment module obtains on the seat suffered if belonging to the pre-set pressure range for the first pressure value
Second pressure value, and judge whether the second pressure value is more than preset pressure value；
Contrast module obtains the first sitting posture image, and will be described if being more than the preset pressure value for the second pressure value
First sitting posture image is compared with pre-set image, to form the first result.
The invention has the advantages that：
1, using for the first sitting posture image on pressure combination seat suffered by seat, accurately to be carried for current sitting posture
Show.
2, mobile terminal includes parent often with mobile phone and the current communication device put on the seat；It self is prompted with realizing
It is supervised with parent, based on supervision and digitization, sitting posture problem is calibrated with specific aim.
Description of the drawings
Fig. 1 is the flow diagram of first embodiment of the invention；
Fig. 2 is the flow diagram of second embodiment of the invention；
Fig. 3 is the flow diagram of third embodiment of the invention；
Fig. 4 is the refinement flow diagram of step S20 in first embodiment of the invention；
Fig. 5 is the structural schematic diagram in first embodiment of the invention；
Fig. 6 is the first acquisition image schematic diagram in first embodiment of the invention；
Fig. 7 is the first acquisition image and pre-set image contrast schematic diagram in first embodiment of the invention；
Fig. 8 is pre-set image schematic diagram in first embodiment of the invention；
Fig. 9 is the vertical view of seat in first embodiment of the invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
With reference to figure 1, Fig. 1 is the flow diagram of first embodiment of the invention.
In order to solve the above-mentioned technical problem, automatic detection sitting posture method of the invention, includes the following steps：
Step S10 obtains first pressure value suffered on seat, and judges whether the first pressure value belongs to preset pressure
Range；
The automatic detection sitting posture method of the present invention is that one kind being detected sitting posture, and is finally reached automatic prompt and is currently sitting in
Seat 52（As shown in Figure 7）The upper current sitting posture situation of people and feed back to the detection method on parent's mobile phone；In step slo, it holds
Row main body can be the controller for having communication function；The controller is built in electronic device, and the electronic device can be with
It is automatic detection sitting posture device；Obtain first pressure value suffered on seat；The first pressure value is provided in the seat
Transmitted by pressure sensor on chair；The first pressure value includes the seat board 56 of seat（As shown in Figure 7）Suffered pressure
Force value；The controller judges whether the first pressure value belongs to preset pressure model after receiving the first pressure value
It encloses；Actual purpose is, is confirmed whether have object applying pressure to the seat, to execute subsequent step again；It is described default
Pressure limit is 50N to 200N, and N indicates " ox " unit.
Step S20 obtains the first sitting posture image if the first pressure value belongs to the pre-set pressure range, and by institute
It states the first sitting posture image to compare with pre-set image, to form the first result；
After executing the step S10, if the first pressure value belongs to the pre-set pressure range；The controller, which is sent, to be clapped
Order is taken the photograph to camera；The camera shoots the first sitting posture image and is sent in the controller；The camera
It is provided in classroom, in order to shoot；The controller is by the first sitting posture image（As shown in Figure 6）With prestore
Pre-set image（As shown in Figure 8）It compares, the specific implementation mode of comparison process is as follows：Based on the spectrum analysis sides Fourier
Method carries out texture feature extraction to the first sitting posture image；The textural characteristics include sitting posture curve of the people on the seat
（As shown in the 50 of Fig. 7 and 51, sitting posture curve is belonged to；51 be the sitting posture curve of the first sitting posture image；50 be the seat of pre-set image
Appearance curve）；The sitting posture curve and the pre-set image are subjected to overlapping contrast；If Duplication is less than 80%, first result
For sitting posture mistake.Wherein, the Fourier frequency spectrum analysis methods are the analysis method using Fourier transformation, Fourier transformation
It refers specifically to：Signal source is decomposed, and is unfolded by predeterminated frequency, becomes the function of predeterminated frequency, and then in frequency domain
In signal is studied and is handled.It should be noted that, it is not limited to utilize Fourier frequency spectrum analysis methods in the present embodiment
With realize the first sitting posture image and pre-stored pre-set image comparison process, as long as therefore based on textural characteristics comparison,
As color, contour feature extracting method should all belong to the protection domain of the present embodiment.
First result is sent on mobile terminal to show by step S30.
After obtaining the first result, step S30 is executed；By described first as a result, i.e. sitting posture mistake is sent to movement eventually
With display on the screen at end；To prompt the child to do the homework, oneself current sitting posture wrong；It needs to adjust.Wherein, mobile whole
End includes the suggestion device being arranged on the seat and parent's mobile phone.The present embodiment advantageous effect is：Using for seat institute
It is under pressure in conjunction with the first sitting posture image on seat, accurately to be prompted for current sitting posture；And it, can during prompting
The first result is sent simultaneously to parent's mobile phone, to realize that self prompt and parent are supervised, based on supervision and digitization, with specific aim
Calibrate sitting posture problem.
With reference to figure 2, Fig. 2 is the flow diagram of second embodiment of the invention.
As shown in Figure 2, it is preferable that before the step S10, including step：
Step S1, every preset time period launch infrared ray to seat region；
Step S2 obtains the infrared image of the seat region to judge whether that someone is sitting on seat, if taking
On seat, step S10 is executed.
This preferred embodiment before step S10 for being defined, and setting is in the indoor infrared projector of religion every default
Period launches infrared ray to seat region；Infrared projector sent after launching infrared ray projection signal to the control
Device processed；The controller sends shooting signal to the camera, and the camera is infrared camera；The infrared camera
Shoot the infrared image of the seat region；Judgment mode is as follows：The infrared region calculated on the infrared image occupies
Ratio and compared with preset ratio, if the infrared region occupies ratio and is less than 50%；Illustrate that present someone has been sitting in seat
On, sitting posture detection can be proceeded by；Execute step S10.This preferred embodiment is based on step S1 and S2 setting, improves and sentences
Stability during disconnected；Only pressure detecting is susceptible to judge whether that someone is sitting on seat and accidentally touches phenomenon merely；And
Not science, and it is this based on infrared image analysis, it is as a result more preferably accurate.
Preferably, in the step S30, first result includes the angular deviation of three axial directions.Such as Fig. 9 institutes
Show, three axial directions include X-direction, Y direction and Z-direction（Z-direction does not indicate）；The Z-direction is hung down
Directly in the X-axis and Y-axis formed plane；Angular deviation is based in above-mentioned comparison process, sitting posture curve in the first sitting posture image
51 and pre-set image Plays sitting posture curve 50 compare（As shown in Figure 7）, with the angular deviation obtained；Realization method is as follows：In advance
If image includes the standard sitting posture curve of three axial directions；Camera includes three, is arranged in classroom, to shoot simultaneously
Go out three images, i.e., the described first acquisition image includes three；Then it is compared respectively with corresponding standard sitting posture curve, to take
Obtain the first result；The angular deviation of i.e. three axial directions.
With reference to figure 3, Fig. 3 is the flow diagram in third embodiment of the invention.
As shown in Figure 3, it is preferable that further include：
Step S40 shows the first sitting posture image and the pre-set image on the mobile terminal screen；
After executing the step S30, step S40 is executed；The first sitting posture image is shown on the mobile terminal screen
With the pre-set image；The first sitting posture image and the pre-set image are on the same interface of the screen；With it is clear,
Clearly allow the positive children sat on the seat it can be seen that the difference of sitting posture and standard sitting posture now；And the two figures can be passed through
Picture, to know how quickly to correct, improves sitting posture correction function speed to see oneself different from which position.
With reference to figure 4, Fig. 4 is the refinement flow diagram of step S20 in first embodiment of the invention.
As shown in figure 4, the step S20 includes：
Step S21 obtains the second pressure suffered on the seat if the first pressure value belongs to the pre-set pressure range
Force value, and judge whether the second pressure value is more than preset pressure value；
Step S22 obtains the first sitting posture image, and by described first if the second pressure value is more than the preset pressure value
Sitting posture image is compared with pre-set image, to form the first result.
In step S20, step S21 is first carried out, if the first pressure value belongs to the pre-set pressure range, is based on
It describes before, the first pressure value includes the seat board 56 of seat（As shown in Figure 7）Suffered pressure value；It indicates current
Moment takes on the seat or has object, as books are placed on the seat, it is therefore desirable to subsequently be confirmed, with standard
Really judge to be people or object；Second pressure value suffered on the seat is obtained, and judges whether the second pressure value is big
In preset pressure value；The second pressure value includes the backrest 55 of seat（As shown in Figure 7）Suffered pressure value；It is described default
Pressure value is 3N；Then step S22 is executed again, if the second pressure value is more than the preset pressure value, obtains the first sitting posture
Image, and the first sitting posture image is compared with pre-set image, to form the first result；Here most of embodiment with it is upper
It states in embodiment and repeats, no longer illustrate here.This preferred embodiment mainly solves a kind of situation, for example does not know it is that people goes back
When being the seat board that object is pressed in seat, it is based on step S21 and step S22, what clear judgement was pressed in the seat seat board is that people goes back
It is object；To improve for stability in detection process；It is temporarily to store because if be pressed in seat seat board is many books
, it also to go to execute following detection step, that is waste of resource；And it is unstable, it is inaccurate.
With reference to figure 5, as shown in figure 5, the present invention also provides a kind of automatic detection sitting posture devices 200, including：
Whether first acquisition module 100 for obtaining first pressure value suffered on seat, and judges the first pressure value
Belong to pre-set pressure range；
Second acquisition module 110 obtains the first sitting posture figure if belonging to the pre-set pressure range for the first pressure value
Picture, and the first sitting posture image is compared with pre-set image, to form the first result；
Display module 120, for first result to be sent on mobile terminal to show.
Preferably, further include：
Projection module launches infrared ray for every preset time period to seat region；
Computing module, the infrared image for obtaining the seat region, and calculate the crowd of the seat region
Density.
Preferably, first result includes the angular deviation of three axial directions.
Preferably, the first sitting posture image and the pre-set image are shown on the mobile terminal screen.
Preferably, the second acquisition module includes：
Judgment module obtains on the seat suffered if belonging to the pre-set pressure range for the first pressure value
Second pressure value, and judge whether the second pressure value is more than preset pressure value；
Contrast module obtains the first sitting posture image, and will be described if being more than the preset pressure value for the second pressure value
First sitting posture image is compared with pre-set image, to form the first result.
Above-mentioned automatic detection sitting posture device is corresponding with detection sitting posture method automatically；In the automatic detection sitting posture device
Including module be that by the module or electronic component of the automatic each step of detection sitting posture method；Therefore automatic
The embodiment that detection sitting posture device is included is also corresponding with the embodiment detected automatically in sitting posture method；Here it no longer retouches
It states, but can realize that the device of the automatic each step of detection sitting posture method or module should all belong to the protection model of the present invention
It encloses.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
（Such as ROM/RAM, magnetic disc, CD）In, including some instructions use is so that a station terminal equipment（Can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.）Execute the method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of automatic detection sitting posture method, which is characterized in that include the following steps：
Step S10 obtains first pressure value suffered on seat, and judges whether the first pressure value belongs to preset pressure
Range；
Step S20 obtains the first sitting posture image if the first pressure value belongs to the pre-set pressure range, and by described the
One sitting posture image is compared with pre-set image, to form the first result；
First result is sent on mobile terminal to show by step S30.
2. automatic detection sitting posture method as described in claim 1, which is characterized in that before the step S10, including step：
Step S1, every preset time period launch infrared ray to seat region；
Step S2 obtains the infrared image of the seat region to judge whether that someone is sitting on seat, if taking
On seat, step S10 is executed.
3. automatic detection sitting posture method as described in claim 1, which is characterized in that in the step S30, first result
Include the angular deviation of three axial directions.
4. automatic detection sitting posture method as described in claim 1, which is characterized in that further include：
Step S40 shows the first sitting posture image and the pre-set image on the mobile terminal screen.
5. automatic detection sitting posture method as described in claim 1, which is characterized in that the step S20 includes：
Step S21 obtains the second pressure suffered on the seat if the first pressure value belongs to the pre-set pressure range
Force value, and judge whether the second pressure value is more than preset pressure value；
Step S22 obtains the first sitting posture image, and by described first if the second pressure value is more than the preset pressure value
Sitting posture image is compared with pre-set image, to form the first result.
6. a kind of automatic detection sitting posture device, which is characterized in that including：
First acquisition module for obtaining first pressure value suffered on seat, and judges whether the first pressure value belongs to
In pre-set pressure range；
Second acquisition module obtains the first sitting posture image if belonging to the pre-set pressure range for the first pressure value, and
The first sitting posture image is compared with pre-set image, to form the first result；
Display module, for first result to be sent on mobile terminal to show.
7. automatic detection sitting posture device as claimed in claim 6, which is characterized in that further include：
Projection module launches infrared ray for every preset time period to seat region；
Computing module, the infrared image for obtaining the seat region, and calculate the crowd of the seat region
Density.
8. automatic detection sitting posture device as claimed in claim 6, which is characterized in that first result includes three axial directions
Angular deviation.
9. automatic detection sitting posture device as claimed in claim 6, which is characterized in that on the mobile terminal screen described in display
First sitting posture image and the pre-set image.
10. automatic detection sitting posture device as claimed in claim 6, which is characterized in that second acquisition module includes：
Judgment module obtains on the seat suffered if belonging to the pre-set pressure range for the first pressure value
Second pressure value, and judge whether the second pressure value is more than preset pressure value；
Contrast module obtains the first sitting posture image, and will be described if being more than the preset pressure value for the second pressure value
First sitting posture image is compared with pre-set image, to form the first result.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446634.XA CN108334812A (en) | 2017-12-27 | 2017-12-27 | Automatic detection sitting posture method and device |
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|---|---|---|---|
| CN201711446634.XA CN108334812A (en) | 2017-12-27 | 2017-12-27 | Automatic detection sitting posture method and device |
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Cited By (1)
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Application publication date: 20180727 |
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