CN107392146A - A kind of child sitting gesture detection method and device - Google Patents
A kind of child sitting gesture detection method and device Download PDFInfo
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- CN107392146A CN107392146A CN201710595627.XA CN201710595627A CN107392146A CN 107392146 A CN107392146 A CN 107392146A CN 201710595627 A CN201710595627 A CN 201710595627A CN 107392146 A CN107392146 A CN 107392146A
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- children
- sitting posture
- key point
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- reading area
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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
Abstract
The invention discloses a kind of child sitting gesture detection method, this method comprises the following steps：When detecting that children are read in the reading area of setting, the scanning information of image capture device is received, the positional information that the default body key point of children is directed in scanning information is detected, obtains position testing result, and according to position testing result, determine the sitting posture of children.Using technical scheme provided in an embodiment of the present invention, reading area, which is scanned, by image capture device has higher discrimination.The positional information of the default body key point of children is directed in scanning information by detecting, the sitting posture of children is determined according to position testing result, recognition speed can be improved and algorithm is simple, improve detection speed, at the same it is high for the recognition accuracy of body key point.And body key point is default for children so that sitting posture testing result can be applied to children.The invention also discloses a kind of child sitting gesture detection means, has relevant art effect.
Description
Technical field
The present invention relates to detection technique field, more particularly to a kind of child sitting gesture detection method and device.
Background technology
Books are the stepping stones to human progress, during growth, read as mode of learning one kind have can not or
Scarce important function, either parent or student oneself, all it will be appreciated that forming the importance of good reading habit.
Student is caused to form good reading habit, one of them important aspect is exactly to form correctly to read to sit
Appearance, this is not only able to help reader quickly to enter read state, while can also eye disease and the cervical vertebra such as pre- Anti-myopic eye
The problem of depauperation.Particularly in children's stage, carry out reading sitting posture culture being even more important, because for children, it is special
It is not preschool child, is in the critical period of study development, children now lacks patience and endurance to everything
While, but it is all curious to everything.They double this this book for a moment when reading, and double that this book for a moment, lie prone for a moment in table
On son, kneel for a moment on stool, it is difficult in earnest be finished watching a book or a story with a correct posture peace and quiet.
In children's stage, if the incorrect sitting-pose of children can not be detected in time and given to correct, it may be such that children form mistake from small
Reading sitting posture by mistake, or even influence its following reading habit.
In the prior art, conventional sitting posture detection scheme carries out the collection of data merely with sensor, using machine learning,
The research algorithm such as depth image detects to the sitting posture of human body, due to equipment and the limitation of algorithm, it may appear that the figure of collection
The resolution ratio of picture is too low, and data acquisition is easily interfered, and data handling procedure is slow, many situations such as data error is big, leads
Sitting posture testing result is caused the problem such as discrimination is low, recognition speed is slow, sitting posture recognition accuracy is low of sitting posture occur.
The content of the invention
It is an object of the invention to provide a kind of child sitting gesture detection method and device, to improve recognition speed, and algorithm
Simply, detection speed is improved, while discrimination is high and is directed to the recognition accuracy of key point height, sitting posture testing result is applicable
In children.
In order to solve the above technical problems, the present invention provides following technical scheme：
A kind of child sitting gesture detection method, this method include：
When detecting that children are read in the reading area of setting, the scanning information of image capture device is received；
The positional information that the default body key point of the children is directed in the scanning information is detected, obtains position detection
As a result；
According to the position testing result, the sitting posture of the children is determined.
Preferably, the body key point includes facial key point and two shoulder key points；
It is described that the sitting posture of the children is determined according to the position testing result, including：
It is determined that the height of the facial key point is higher than default vertical facial dimension threshold value, and two shoulder key points
The difference of level height when being less than default both shoulders height difference threshold value, the sitting posture for determining the children is honest sitting posture.
Preferably, in addition to：
It is determined that the difference of the facial key point and the distance values of two shoulder key points exceeds default inclination
During threshold value, the sitting posture for determining the children is body inclination.
Preferably, in addition to：
It is determined that two shoulder key points spacing less than lie after default spacing threshold when, determine the children's
Sitting posture be body after lie.
Preferably, the body key point also turns key point and two palm key points including two hands；Methods described
Also include：
It is determined that two shoulder key points, two hands turn key point and two palm key points in deposit
At least two key points vertical height less than lie prone under default threshold value when, the sitting posture for determining the children is to be lain prone under body.
Preferably, in addition to：
When detecting that the children leave the reading area, enter the reading area according to the children are last
Timestamp, obtain the stay time that the children rest on the reading area；
Add up each stay time of the children in setting time section, obtain stopping total duration；
Add up the target duration that sitting posture of the children in the setting time section is honest sitting posture；
According to accounting of the target duration in the stop total duration, the children are obtained in the setting time section
Interior sitting posture evaluation result.
A kind of child sitting gesture detection means, the device include：
Scanning information receiving module, for when detecting that children are read in the reading area of setting, receiving image
The scanning information of collecting device；
Position testing result determining module, it is crucial for the default body of the children in the scanning information for detecting
The positional information of point, obtains position testing result；
Sitting posture determining module, for according to the position testing result, determining the sitting posture of the children.
Preferably, the body key point includes facial key point and two shoulder key points；
The sitting posture determining module, specifically for it is determined that the height of the facial key point is higher than default vertical facial dimension
Threshold value, and when the difference of the level height of two shoulder key points is less than default both shoulders height difference threshold value, determine institute
The sitting posture for stating children is honest sitting posture.
Preferably, the sitting posture determining module, is additionally operable to：
It is determined that the difference of the facial key point and the distance values of two shoulder key points exceeds default inclination
During threshold value, the sitting posture for determining the children is body inclination.
Preferably, in addition to：
Stay time determining module, for when detecting that the children leave the reading area, according to the children
Last time enters the timestamp of the reading area, obtains the stay time that the children rest on the reading area；
Total duration determining module is stopped, for adding up each stay time of the children in setting time section, is obtained
To stop total duration；
Target duration determining module, for adding up sitting posture of the children in the setting time section as honest sitting posture
Target duration；
Sitting posture evaluation result determining module, for the accounting according to the target duration in the stop total duration, obtain
To sitting posture evaluation result of the children in the setting time section.
The technical scheme provided using the embodiment of the present invention, when detecting that reading area of the children in setting is read
When, the scanning information of image capture device is received, and detect the position that the default body key point of children is directed in scanning information
Information, obtains position testing result, and then according to position testing result, determines the sitting posture of children.
Reading area is scanned by image capture device, compared to the prior art merely with sensor, had
Higher discrimination.After scanning information is received, the position that the default body key point of children is directed in scanning information is detected
Information, position testing result is obtained, the sitting posture of children is determined according to position testing result.Due to detecting the position of body key point
Information, and algorithm is simple so that and recognition speed is improved, simultaneously because the detection for body key point so that is known
Other accuracy rate is improved.And body key point is default for children so that sitting posture testing result can be applied to youngster
It is virgin.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of reading schematic diagram of a scenario of child sitting gesture detection method in the present invention；
Fig. 2 is a kind of implementing procedure figure of child sitting gesture detection method in the present invention；
Fig. 3 is the position view of the body key point based on human skeleton in the present invention；
Fig. 4 is a kind of structural representation of child sitting gesture detection means in the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the children's reading scene that this method can apply on reading tables.Camera 101 can be scanned and read
Reading field simultaneously obtains corresponding scanning information, and server 102 can receive the scanning information of camera 101, RFID (Radio
Frequency Identification REIDs) books identifier 103 can detect book information.
Refer to Fig. 2, for the present invention in a kind of implementing procedure figure of child sitting gesture detection method, this method can include with
Lower step：
S201：When detecting that children are read in the reading area of setting, the scanning letter of image capture device is received
Breath.
Reading area can be default region, such as can be the region being arranged in annular reading room, or
Multiple reading areas read desk and formed.The books in reading area can be identified using sensor, be placed
The books identification information of corresponding books in reading area.Books identification information can be the coding of book name, such as can
To carry out books identification using RFID books identifier, RFID books identifier can be placed on the lower section for reading desk.
When sensor identifies the books identification information in reading area, it can directly send and believe to image capture device
Cease to open image capture device, naturally it is also possible to send information to server, and then IMAQ is opened by server and set
It is standby.Image capture device can be camera.
Image capture device can scan reading area after unlatching, be read when detecting children in reading area
When, scanning information can be sent to server, server receives the scanning information of image capture device.Certainly, the knowledge of sensor
Other scope and the scanning range of image capture device cover reading area.
After the scanning information that server receives image capture device, step S202 operation can be carried out.
S202：The positional information that the default body key point of children is directed in scanning information is detected, obtains position detection knot
Fruit.
It can detect the position in scanning information for the default body key point of children according to human skeleton algorithm and believe
Breath.For example, seven body key points based on human skeleton can be preset, as shown in figure 3, its midpoint A is facial key point, point
B and point C is two shoulder key points, and point D and point E are that two hands turn key point, and point F and point G are two palm key points.When
So, the present invention can also preset other body key points for children, have no effect on the implementation of the present invention.
Body key point in scanning information, the positional information of each body key point can be obtained.According to each
The positional information of body key point, position testing result can be obtained.Such as the height of each body key point is included, face closes
The position testing result of the spacing of key point and left shoulder key point.
After position testing result is obtained, step S203 operation can be carried out.
S203：According to position testing result, the sitting posture of children is determined.
According to position testing result, the sitting posture of children can be determined according to default sitting posture judgment rule.Such as work as position
Put face's key point in testing result height detection result meet in sitting posture criterion under lie prone sitting posture when, it may be determined that youngster
Virgin sitting posture is to be lain prone under body.When the height detection result of shoulder key point in the testing result of position meets in sitting posture criterion
Honest sitting posture when, it may be determined that the sitting posture of children is honest sitting posture.
In a kind of embodiment of the present invention, default body key point includes facial key point and two shoulders
Key point, step S203 may comprise steps of：
It is determined that the height of facial key point is higher than default vertical facial dimension threshold value, and the level height of two shoulder key points
When the difference of degree is less than default both shoulders height difference threshold value, the sitting posture for determining children is honest sitting posture.
After the facial key point and two shoulder key points of the children in detecting scanning information, corresponding position is obtained
Testing result.According to the position testing result, it may be determined that whether the height of facial key point is higher than default vertical facial dimension threshold
Value, and determine whether the difference of the level height of two shoulder key points is less than default both shoulders height difference threshold value.Certainly,
The determination of the level height difference of the determination of the height of facial key point and two shoulder key points, this hair of the sequencing of execution
It is bright not to be defined, it can also simultaneously perform, have no effect on the implementation of the present invention.
When the height of facial key point exceedes default facial threshold value, and the difference of the level height of two shoulder key points
When value is less than default both shoulders height difference threshold value, it may be determined that the sitting posture of the children is honest sitting posture.
Facial threshold value and the default of both shoulders height difference threshold value can be set and be adjusted according to actual conditions, such as
According to the average age for the children for entering reading area, the factor such as local average height of children in reading room adjusts facial threshold value
With both shoulders height difference threshold value.
When the height of facial key point is less than default facial threshold value, or the difference of the level height of two shoulder key points
When value is higher than default both shoulders height difference threshold value, it may be determined that the sitting posture of the children is non-honest sitting posture.
In one embodiment of the invention, this method can also comprise the following steps：
First step：When detecting that children leave reading area, according to children it is last enter reading area when
Between stab, obtain the stay time that children rest on reading area；
Second step：Accumulative each stay time of children in setting time section, obtain stopping total duration；
3rd step：Sitting posture of the accumulative children in setting time section is the target duration of honest sitting posture；
4th step：According to accounting of the target duration in total duration is stopped, children are obtained in setting time section
Sitting posture evaluation result.
For the ease of description, aforementioned four step is merged into explanation.
When children enter reading area, timestamp when children enter reading area can be recorded, such as work as children
When appearing in the scanning information of image capture device, the timestamp that the children this time enter reading area is recorded.As the youngster
When child leaves reading area, the timestamp when children leave can be recorded.When entering reading area according to the children when
Between timestamp when stabbing and leave reading area, the stay time that the children this time rest on reading area can be obtained.
Children may repeatedly pass in and out reading area, such as reading in a period, the reading process of such as one day
Reading area is left in journey to go to select book.Each stay time of the children in setting time section can be added up, what is drawn is total
With for stop total duration.
When it is determined that the sitting posture of children is honest sitting posture, the children in the setting time section can be added up and be in honest sitting posture
Time, draw target duration.Further, accounting of the target duration in total duration is stopped can be obtained, and obtains children
Sitting posture evaluation result in the setting time section.
For example, when target duration in the accounting in stopping total duration more than 80% when, it may be determined that the children are in the setting
Sitting posture in period is health, when target duration in the accounting in stopping total duration less than 80% but when being higher than 60%, can be with
Sitting posture of the children in the setting time section is determined to be slight bad, and can be sent to the parent of the children and strengthen sitting posture
The prompt message of monitoring.When target duration in the accounting in stopping total duration less than 60% but during more than 40%, it may be determined that should
Sitting posture of the children in the setting time section is that moderate is bad, and can be sent to the parent of the children and strengthen sitting posture monitoring
Prompt message.When target duration is less than 40% in the accounting in stopping total duration, it may be determined that the children are in the setting time
Sitting posture in section is bad for moderate, and the prompt message of correcting sitting postures can be sent to the parent of the children.
Using this kind of embodiment of the present invention, add up honest sitting posture of the children in setting time section and stopping total duration
In accounting, and prompt message can be sent to parent according to actual conditions, be advantageous to parent and read for the children of own home
Sitting posture situation during reading, makes corresponding adjustment, to help children to turn out the reading sitting posture of health.
Setting time section can be set and be adjusted according to actual conditions, such as be set as one day, or a season, or one
Year etc..
Such as Duan Weiyi season of setting time, add up current season under the children rest on reading area stop it is total
Duration.The sitting posture that the children under current season can be added up is the target duration of honest sitting posture, is being stopped always according to target duration
Accounting in duration, obtain sitting posture evaluation result of the children under current season.
Such as it is one day if setting time section is shorter, may be poor due to the mood on the day of the children, or the children
The factors such as duration that the same day is read is shorter, cause the same day inaccurate for the sitting posture evaluation result of the children, i.e., can not be true
Reflect the children common sitting posture situation when reading on the spot.If Duan Weiyi season of setting time, obtain the children and working as
Sitting posture evaluation result under preceding season can relatively accurately reflect sitting posture of the children when reading.Certainly, the youngster is being obtained
After the virgin sitting posture evaluation result under current season, it can also be carried out with the sitting posture evaluation result in the upper season of the children
Compare, if it is determined that the sitting posture of the children does not obtain improving or even occurring the situation that sitting posture evaluation reduces, can be to the children
Parent export strengthen sitting posture monitoring prompt message.
Using technical scheme provided in an embodiment of the present invention, when detecting that reading area of the children in setting is read
When, the scanning information of image capture device is received, and detect the position that the default body key point of children is directed in scanning information
Information, obtains position testing result, and then according to position testing result, determines the sitting posture of children.
Reading area is scanned by image capture device, compared to the prior art merely with sensor, had
Higher discrimination.After scanning information is received, the position that the default body key point of children is directed in scanning information is detected
Information, position testing result is obtained, the sitting posture of children is determined according to position testing result.Due to detecting the position of body key point
Information, and algorithm is simple so that and recognition speed is improved, simultaneously because the detection for body key point so that is known
Other accuracy rate is improved.And body key point is default for children so that sitting posture testing result can be applied to youngster
It is virgin.
In a kind of embodiment of the present invention, default body key point includes facial key point and two shoulders
Key point, this method can also comprise the following steps：
When it is determined that the difference of facial key point and the distance values of two shoulder key points exceeds default threshold tipping value, really
The sitting posture for determining children is body inclination.
After the facial key point and two shoulder key points of the children in detecting scanning information, corresponding position is obtained
Testing result.According to the position testing result, it may be determined that the distance values of facial key point and left shoulder key point, and determine face
The distance values of key point and right shoulder key point.It is determined that after two distance values, the difference of two distance values may further determine that
Whether value exceeds default threshold tipping value.If, it may be determined that the sitting posture of the children is body inclination, and is sent to the children
The prompt message of body inclination, or the prompt message of parent's transmission body inclination to the children.
It should be noted that the determination of facial key point and the distance values of left shoulder key point, and facial key point and the right side
The determination of the distance values of shoulder key point, the sequencing present invention of execution are not defined, naturally it is also possible to perform simultaneously, and
The implementation of the present invention is not influenceed.Threshold tipping value can be set and be adjusted according to actual conditions.
In a kind of embodiment of the present invention, default body key point includes two shoulder key points, the party
Method can also comprise the following steps：
It is determined that two shoulder key points spacing less than lie after default spacing threshold when, the sitting posture for determining children is body
Lain after body.
After two shoulder key points of the children in detecting scanning information, corresponding position testing result is obtained.Root
According to the position testing result, the spacing of two shoulder key points can be obtained, can further determine two shoulder key points
Spacing whether less than spacing threshold of lying after default, if, it may be determined that the sitting posture of the children is to lie after body, and to the youngster
Child sends the prompt message lain after body, or the prompt message lain after body is sent to the parent of the children.
After spacing threshold of lying can be set and be adjusted according to actual conditions.
It should be noted that in a kind of embodiment of the present invention, it is determined that the spacing of two shoulder key points
Afterwards, it can also determine whether the spacing of two shoulder key points diminishes, when it is determined that what the spacing of two shoulder key points reduced
Length reaches default both shoulders and reduces threshold value, it may be determined that the sitting posture of the children is to lie after body.
The present invention a kind of embodiment in, default body key point include two shoulder key points, two
Hand, which turns key point and two palm key points, this method, to be comprised the following steps：
It is determined that two shoulder key points, two hands turn in key point and two palm key points and have at least two and close
The vertical height of key point less than lie prone under default threshold value when, the sitting posture for determining children is to be lain prone under body.
Two shoulder key points of children in scanning information is detected, two hands turn key point and two palm keys
After point, corresponding position testing result is obtained.According to the position testing result, the vertical height of this main points point can be obtained
Degree, it can further determine whether to have in this main points point the vertical heights of at least two key points less than threshold of lying prone under default
Value.If, it may be determined that the sitting posture of the children is to be lain prone under body, and the prompt message lain prone under body is sent to the children, or
Person sends the prompt message lain prone under body to the parent of the children.
Under threshold value of lying prone can be set and be adjusted according to actual conditions.
Corresponding to above method embodiment, the embodiment of the present invention additionally provides a kind of child sitting gesture detection means, hereafter
A kind of child sitting gesture detection means of description can be mutually to should refer to a kind of above-described child sitting gesture detection method.
Shown in Figure 4, for a kind of structural representation of child sitting gesture detection means in the present invention, the device can include
With lower module：
Scanning information receiving module 401, for when detecting that children are read in the reading area of setting, receiving figure
As the scanning information of collecting device；
Position testing result determining module 402, for detecting in scanning information for the default body key point of children
Positional information, obtain position testing result；
Sitting posture determining module 403, for according to position testing result, determining the sitting posture of children.
Using device provided in an embodiment of the present invention, when detecting that children are read in the reading area of setting, connect
The scanning information of image capture device is received, and detects the positional information that the default body key point of children is directed in scanning information,
Obtain position testing result, and then according to position testing result, determine the sitting posture of children.
Reading area is scanned by image capture device, compared to the prior art merely with sensor, had
Higher discrimination.After scanning information is received, the position that the default body key point of children is directed in scanning information is detected
Information, position testing result is obtained, the sitting posture of children is determined according to position testing result.Due to detecting the position of body key point
Information, and algorithm is simple so that and recognition speed is improved, simultaneously because the detection for body key point so that is known
Other accuracy rate is improved.And body key point is default for children so that sitting posture testing result can be applied to youngster
It is virgin.
In a kind of embodiment of the present invention, body key point includes facial key point and two shoulder keys
Point；
Sitting posture determining module 403, is specifically used for：It is determined that the height of facial key point is higher than default vertical facial dimension threshold
Value, and when the difference of the level height of two shoulder key points is less than default both shoulders height difference threshold value, determine children
Sitting posture be honest sitting posture.
In a kind of embodiment of the present invention, sitting posture determining module 403, it is additionally operable to：
When it is determined that the difference of facial key point and the distance values of two shoulder key points exceeds default threshold tipping value, youngster
Virgin sitting posture is body inclination.
In a kind of embodiment of the present invention, sitting posture determining module 403, it is additionally operable to：
It is determined that two shoulder key points spacing less than lie after default spacing threshold when, the sitting posture for determining children is body
Lain after body.
In a kind of embodiment of the present invention, sitting posture determining module 403, it is additionally operable to：
It is determined that two shoulder key points, two hands turn in key point and two palm key points and have at least two and close
The vertical height of key point less than lie prone under default threshold value when, the sitting posture for determining children is to be lain prone under body.
In a kind of embodiment of the present invention, in addition to lower module：
Stay time determining module, for when detecting that children leave reading area, being entered the last time according to children and being read
The timestamp of reading field, obtain the stay time that children rest on reading area；
Total duration determining module is stopped, for adding up each stay time of children in setting time section, is stopped
Stay total duration；
Target duration determining module, for add up sitting posture of the children in setting time section be honest sitting posture target when
It is long；
Sitting posture evaluation result determining module, for the accounting according to target duration in total duration is stopped, obtain children and exist
Sitting posture evaluation result in setting time section.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, between each embodiment same or similar part mutually referring to.For dress disclosed in embodiment
For putting, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part
Explanation.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty
Technical staff can realize described function using distinct methods to each specific application, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help and understand technical scheme and its core concept.It should be pointed out that for the common of the art
For technical staff, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these
Improve and modification is also fallen into the protection domain of the claims in the present invention.
Claims (10)
- A kind of 1. child sitting gesture detection method, it is characterised in that including：When detecting that children are read in the reading area of setting, the scanning information of image capture device is received；The positional information that the default body key point of the children is directed in the scanning information is detected, obtains position detection knot Fruit；According to the position testing result, the sitting posture of the children is determined.
- 2. according to the method for claim 1, it is characterised in that the body key point includes facial key point and two shoulders Portion's key point；It is described that the sitting posture of the children is determined according to the position testing result, including：It is determined that the height of the facial key point is higher than default vertical facial dimension threshold value, and the water of two shoulder key points When the difference of flat height is less than default both shoulders height difference threshold value, the sitting posture for determining the children is honest sitting posture.
- 3. according to the method for claim 2, it is characterised in that also include：It is determined that the difference of the facial key point and the distance values of two shoulder key points exceeds default threshold tipping value When, the sitting posture for determining the children is body inclination.
- 4. according to the method for claim 2, it is characterised in that also include：It is determined that two shoulder key points spacing less than lie after default spacing threshold when, determine the sitting posture of the children To be lain after body.
- 5. the method according to any one of claim 2 to 4, it is characterised in that the body key point also includes two Individual hand turns key point and two palm key points；Methods described also includes：It is determined that two shoulder key points, two hands are turned in key point and two palm key points exists extremely The vertical height of few two key points less than lie prone under default threshold value when, the sitting posture for determining the children is to be lain prone under body.
- 6. according to the method for claim 2, it is characterised in that also include：When detecting that the children leave the reading area, according to the children it is last enter the reading area when Between stab, obtain the stay time that the children rest on the reading area；Add up each stay time of the children in setting time section, obtain stopping total duration；Add up the target duration that sitting posture of the children in the setting time section is honest sitting posture；According to accounting of the target duration in the stop total duration, the children are obtained in the setting time section Sitting posture evaluation result.
- A kind of 7. child sitting gesture detection means, it is characterised in that including：Scanning information receiving module, for when detecting that children are read in the reading area of setting, receiving IMAQ The scanning information of equipment；Position testing result determining module, for detecting in the scanning information for the default body key point of the children Positional information, obtain position testing result；Sitting posture determining module, for according to the position testing result, determining the sitting posture of the children.
- 8. device according to claim 7, it is characterised in that the body key point includes facial key point and two shoulders Portion's key point；The sitting posture determining module, specifically for it is determined that the height of the facial key point is higher than default vertical facial dimension threshold Value, and when the difference of the level height of two shoulder key points is less than default both shoulders height difference threshold value, it is determined that described The sitting posture of children is honest sitting posture.
- 9. device according to claim 8, it is characterised in that the sitting posture determining module, be additionally operable to：It is determined that the difference of the facial key point and the distance values of two shoulder key points exceeds default threshold tipping value When, the sitting posture for determining the children is body inclination.
- 10. device according to claim 8, it is characterised in that also include：Stay time determining module, for when detecting that the children leave the reading area, according to the children upper one The secondary timestamp into the reading area, obtain the stay time that the children rest on the reading area；Total duration determining module is stopped, for adding up each stay time of the children in setting time section, is stopped Stay total duration；Target duration determining module, for adding up the target that sitting posture of the children in the setting time section is honest sitting posture Duration；Sitting posture evaluation result determining module, for the accounting according to the target duration in the stop total duration, obtain institute State sitting posture evaluation result of the children in the setting time section.
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| CN111444748A (en) * | 2019-01-17 | 2020-07-24 | 北京字节跳动网络技术有限公司 | Sitting posture detection method, device, equipment and storage medium |
| CN112084978A (en) * | 2020-09-14 | 2020-12-15 | 深圳市沃特沃德股份有限公司 | Reading monitoring method, reading robot and computing equipment |
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| CN109685025A (en) * | 2018-12-27 | 2019-04-26 | 中科院合肥技术创新工程院 | Shoulder feature and sitting posture Activity recognition method |
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| CN114360207A (en) * | 2021-12-15 | 2022-04-15 | 好孩子儿童用品有限公司 | Children play by detecting system |
| CN115080785A (en) * | 2022-07-27 | 2022-09-20 | 深圳市西昊智能家具有限公司 | Sitting posture monitoring and analyzing method and system and related equipment |
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