CN107798825A - Safety inspector's based reminding method and device - Google Patents
Safety inspector's based reminding method and device Download PDFInfo
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- CN107798825A CN107798825A CN201711031411.7A CN201711031411A CN107798825A CN 107798825 A CN107798825 A CN 107798825A CN 201711031411 A CN201711031411 A CN 201711031411A CN 107798825 A CN107798825 A CN 107798825A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1103—Detecting eye twinkling
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Abstract
Safety inspector's based reminding method and device.The invention discloses a kind of safety check based reminding method, including：The eye image of safety check alarm set real-time reception safety inspector, the fatigue state grade of safety inspector is determined according to eye image, and the mode according to corresponding to the fatigue state grade of safety inspector reminds the safety inspector, makes its work of focusing on.The embodiment of the present invention additionally provides a kind of safety check alarm set.Be advantageous to, when safety inspector produces sense tired out, improve the judgment of safety inspector, ensured the validity and high efficiency of safe examination system using the embodiment of the present invention.
Description
Technical field
The present invention relates to field of safety check, more particularly to a kind of safety inspector's based reminding method and device.
Background technology
In existing safe examination system, it is substantially by X-ray emitter inside screening machine to the luggage by passage
Or article divergent-ray, it is different to the degree of absorption of ray according to all kinds of materials, then penetrating for article is penetrated by detecting plate detection
Line number evidence simultaneously generates ultra-weak electronic signal, is sent the electric signal that detecting plate generates to industrial computer by collection plate, then pass through a system
After column processing algorithm process, show that bag picture is crossed in safety check on monitoring client, last safety inspector by check safety check cross bag picture come
Determine whether carry prohibited items in luggage or article.
In above process, safety inspector is by checking that it is separated to determine whether to carry in luggage or article that bag picture is crossed in safety check
Contraband goods is the key link during whole safety check., can be serious but in the key link, safety inspector easily produces sense of fatigue
The judgment of safety inspector is influenceed, reduces the validity and high efficiency of safe examination system.
The content of the invention
The embodiment of the present invention provides a kind of safety inspector's based reminding method and device, is advantageous to when safety inspector produces sense tired out,
The judgment of safety inspector is improved, has ensured the validity and high efficiency of safe examination system.
In a first aspect, the embodiment of the present invention provides a kind of safety inspector's based reminding method, including：
The eye image of the safety inspector of eye image collecting unit collection is obtained in real time；
The fatigue state grade of the safety inspector is determined according to the eye image；
The safety inspector is reminded according to mode corresponding to the fatigue state grade of the safety inspector.
In a kind of feasible embodiment, described fatigue state that the safety inspector is obtained according to the eye image etc.
Level, including：
The number of safety inspector's blink is obtained according to the eye image in preset duration；
The number and standard number of winks section blinked according to the safety inspector determine fatigue state of the safety inspector etc.
Level；
Wherein, the standard number of winks section is that safety inspector's state of mind is blinked when good in the preset duration
The scope of eye number.
It is described to determine that the safety inspector blinks according to the eye image in preset duration in a kind of feasible embodiment
The number of eye, including：
Obtain eye image A eye profile and the eye profile with eye image B, the eye image A and the people
Eye pattern is two of arbitrary neighborhood in the eye image of the safety inspector gathered in the preset duration as B；
When the eye profile of the eye image A and the inconsistent eye profile of the eye image B, the peace is determined
Inspection person blinks once；
Obtain the number of safety inspector's blink in the preset duration.
In a kind of feasible embodiment, the number blinked according to the safety inspector and standard number of winks section are true
The fatigue state grade of the fixed safety inspector, including：
Obtain the difference of the number and the endpoint value in the standard number of winks section of safety inspector's blink；
When the difference is less than first threshold, the fatigue state grade for determining the safety inspector is slight fatigue；
When the difference is more than or equal to the first threshold and is less than or equal to Second Threshold, the peace is determined
The fatigue state grade of inspection person is moderate fatigue；
When the difference is more than the Second Threshold, the fatigue state grade for determining the safety inspector is severe fatigue.
In a kind of feasible embodiment, the endpoint value in the standard number of winks section includes first end point value and second
Endpoint value, the first end point value are less than second endpoint value；The number for obtaining safety inspector's blink and the mark
The difference of the endpoint value in quasi- number of winks section, including：
When the number of safety inspector blink is less than the first end point value, the difference is that the first end point value subtracts
Go the value of the number of safety inspector's blink；
When the number of safety inspector blink is more than second endpoint value, the difference is safety inspector blink
Number subtracts the value of second endpoint value.
In a kind of feasible embodiment, described fatigue state that the safety inspector is determined according to the eye image etc.
Level, including：
Extract the major axis of eye profile and the ratio of short axle of every eye image in M eye images, the M be more than
1 integer；
By the major axis of the eye profile of every eye image with the ratio of short axle compared with standard value；
Obtain continuously people's eye pattern corresponding with the ratio of short axle with the major axis for the eye profile that the standard value is inconsistent
The number N of picture, the N are the integer more than 0；
The fatigue state grade of the safety inspector is determined according to the N；
Wherein, the major axis value of eye profile and short axle value when the standard value is good for the state of mind of the safety inspector
Ratio.
In a kind of feasible embodiment, the fatigue state grade that the safety inspector is determined according to the N, including：
When the N is more than the 3rd threshold value and is less than or equal to four threshold values, the fatigue state of the safety inspector is determined
Grade is slight fatigue；
When the N is more than the 4th threshold value and is less than or equal to five threshold values, the fatigue of the safety inspector is determined
State grade is moderate fatigue；
When the N is more than five threshold value, the fatigue state grade for determining the safety inspector is severe fatigue.
In a kind of feasible embodiment, corresponding to the fatigue state grade according to the safety inspector at mode
Reason, including：
When the fatigue state grade of the safety inspector is slight tired, warning message, institute are sent to acoustic-optic alarm
Warning message is stated to be used to indicate that the acoustic-optic alarm carries out sound and light alarm；
When the fatigue state grade of the safety inspector is moderate fatigue, reminder message is sent to Surveillance center, it is described to carry
Message of waking up is used to indicate that the staff of the Surveillance center to remind the safety inspector；
When the fatigue state grade of the safety inspector is severe fatigue, after current safety check work is completed in screening machine,
The instruction that is stopped is sent to the screening machine, the instruction that is stopped is used to indicate that the screening machine is stopped.
Second aspect, the embodiment of the present invention provide a kind of safety inspector's alarm set, including：
Receiving unit, the eye image of the safety inspector for obtaining the collection of eye image collecting unit in real time；
Determining unit, for determining the fatigue state grade of the safety inspector according to the eye image；
Reminding unit, the safety inspector is reminded for mode corresponding to the fatigue state grade according to the safety inspector.
In a kind of feasible embodiment, the determining unit includes：
First obtains subelement, for obtaining time of safety inspector's blink according to the eye image in preset duration
Number；
First determination subelement, for described in the number blinked according to the safety inspector and the determination of standard number of winks section
The fatigue state grade of safety inspector；
Wherein, the standard number of winks section is that safety inspector's state of mind is blinked when good in the preset duration
The scope of eye number.
In a kind of feasible embodiment, the first acquisition subelement includes：
Second obtains subelement, for obtaining eye image A eye profile and eye profile with eye image B, institute
State any in the eye image that the eye image A and eye image B is the safety inspector gathered in the preset duration
Adjacent two；
Second determination subelement, the eye profile for eye profile and the eye image B as the eye image A
When inconsistent, safety inspector's blink is determined once；
3rd obtains subelement, for obtaining the number of safety inspector's blink in the preset duration.
In a kind of feasible embodiment, first determination subelement includes：
4th obtains subelement, for obtaining number and the end in the standard number of winks section of safety inspector's blink
The difference of point value；
3rd determination subelement, for when the difference is less than first threshold, determining the fatigue state of the safety inspector
Grade is slight fatigue；
4th determination subelement, for being more than or equal to the first threshold and less than or equal to the when the difference
During two threshold values, the fatigue state grade for determining the safety inspector is moderate fatigue；
5th determination subelement, for when the difference is more than the Second Threshold, determining the fatigue of the safety inspector
State grade is severe fatigue.
In a kind of feasible embodiment, the endpoint value in the standard number of winks section includes first end point value and second
Endpoint value, the first end point value are less than second endpoint value；The 4th acquisition subelement is used for：
When the number of safety inspector blink is less than the first end point value, the difference is that the first end point value subtracts
Go the value of the number of safety inspector's blink；
When the number of safety inspector blink is more than second endpoint value, the difference is safety inspector blink
Number subtracts the value of second endpoint value.
In a kind of feasible embodiment, the determining unit includes：
Subelement is extracted, for extracting the major axis of the eye profile of every eye image and short axle in M eye images
Ratio, the M are the integer more than 1；
Comparing subunit, for by the major axis of eye profile and the ratio of short axle and standard value of every eye image
It is compared；
5th obtains subelement, for obtaining continuous and major axis and short axle of the inconsistent eye profile of the standard value
Ratio corresponding to eye image number N, the N is integer more than 0；
6th determination subelement, for determining the fatigue state grade of the safety inspector according to the N；
Wherein, the major axis value of eye profile and short axle value when the standard value is good for the state of mind of the safety inspector
Ratio.
In a kind of feasible embodiment, the 6th determination subelement includes：
7th determination subelement, for when the N is more than the 3rd threshold value and is less than or equal to four threshold values, determining institute
The fatigue state grade for stating safety inspector is slight fatigue；
8th determination subelement, for being more than the 4th threshold value and when being less than or equal to five threshold values as the N, really
The fatigue state grade of the fixed safety inspector is moderate fatigue；
9th determination subelement, for when the N is more than five threshold value, determining the fatigue state of the safety inspector
Grade is severe fatigue.
In a kind of feasible embodiment, the reminding unit includes：
First transmission sub-unit, for when the safety inspector fatigue state grade for it is slight tired when, to sound and light alarm
Device sends warning message, and the warning message is used to indicate that the acoustic-optic alarm carries out sound and light alarm；
Second transmission sub-unit, for when the fatigue state grade of the safety inspector is moderate fatigue, to Surveillance center
Reminder message is sent, the reminder message is used to indicate that the staff of the Surveillance center to remind the safety inspector；
3rd transmission sub-unit, it is complete in screening machine for when the fatigue state grade of the safety inspector is severe fatigue
Into after current safety check work, the instruction that is stopped is sent to the screening machine, the instruction that is stopped is described for indicating
Screening machine is stopped.
The third aspect, a kind of safety inspector's alarm set for the offer that the present invention is implemented, including：
It is stored with the memory of executable program code；
With the processor coupled；
The processor calls the executable program code stored in the memory, performs the whole of first aspect
Or Part Methods.
4th fermentation, the embodiments of the invention provide a kind of computer-readable recording medium, the computer-readable storage medium
Computer program is stored with, the computer program includes programmed instruction, and described program instruction makes institute when being executed by a processor
State all or part of method of computing device first aspect.
As can be seen that in the scheme of the embodiment of the present invention, the eye image of safety check alarm set real-time reception safety inspector,
The fatigue state grade of safety inspector is determined according to eye image, and the mode according to corresponding to the fatigue state grade of safety inspector is reminded
The safety inspector, make its work of focusing on.Be advantageous to, when safety inspector produces sense tired out, improve peace using the embodiment of the present invention
The judgment of inspection person, the validity and high efficiency of safe examination system are ensured.
The aspects of the invention or other aspects can more straightforwards in the following description.
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 application scenarios schematic diagram of safety check based reminding method provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of safety check based reminding method provided in an embodiment of the present invention；
Fig. 3 is the eye outline drawing of eye image；
Fig. 4 is a kind of interactive schematic flow sheet of safety check based reminding method provided in an embodiment of the present invention；
Fig. 5 is the interactive schematic flow sheet of another safety check based reminding method provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of safety check alarm set provided in an embodiment of the present invention；
Fig. 7 is a kind of partial structural diagram of safety check alarm set provided in an embodiment of the present invention；
Fig. 8 is the partial structural diagram of another safety check alarm set provided in an embodiment of the present invention；
Fig. 9 is the structural representation of another safety check alarm set provided in an embodiment of the present invention；
Figure 10 is the partial structural diagram of another safety check alarm set provided in an embodiment of the present invention；
Figure 11 is the structural representation of another safety check alarm set provided in an embodiment of the present invention.
Embodiment
It is described in detail individually below.
Term " first ", " second ", " the 3rd " in description and claims of this specification and the accompanying drawing and "
Four " etc. be to be used to distinguish different objects, rather than for describing particular order.In addition, term " comprising " and " having " and it
Any deformation, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method, be
The step of system, product or equipment are not limited to list or unit, but alternatively also including the step of not listing or list
Member, or alternatively also include for the intrinsic other steps of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can wrap in conjunction with the embodiments
In at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
" multiple " refer to two or more."and/or", the incidence relation of affiliated partner is described, represent there may be
Three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, these three situations of individualism B.Word
It is a kind of relation of "or" that symbol "/", which typicallys represent forward-backward correlation object,.
Embodiments herein is described below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 1 is a kind of application scenarios schematic diagram of safety check based reminding method provided in an embodiment of the present invention.Such as Fig. 1
Shown, the application scenarios include：Eye image collecting unit 101, safety check alarm set 102, acoustic-optic alarm 103, monitoring
Center 104 and screening machine 105.Above-mentioned eye image collecting unit 101, acoustic-optic alarm 103, Surveillance center 104 and safety check
Machine 105 can be communicated by wired mode or wireless mode with above-mentioned safety check alarm set.In order to represent convenient, in Fig. 1 only
Represented with straight line with the arrow.Above-mentioned wireless mode include but is not limited to GPRS, 3G, 4G, 5G, bluetooth, WIFI, Zigbee and
WIMAX。
Wherein, above-mentioned eye image collecting unit 101 can be camera, and the camera can gather the image of people's eye.
The eye image collecting unit can be placed in the display end of above-mentioned screening machine.Safety inspector checks peace in the display end by screening machine
When examining bag picture, the eye image collecting unit can gather the eyes image i.e. eye image of safety inspector in real time.
Wherein, above-mentioned safety check alarm set 102 can regard a visual information processor as, and real-time reception eye image is adopted
Collect the eye image of the safety inspector of unit collection, and the fatigue state grade of safety inspector is obtained according to eye image, and according to tired
Mode corresponding to labor state grade reminds safety inspector.
Wherein, above-mentioned acoustic-optic alarm 103 can be the equipment with loudspeaker and LED, as smart mobile phone, intelligent watch,
Intelligent bracelet obtains the audible-visual annunciator integrated with the display end of above-mentioned screening machine 105.
Wherein, above-mentioned screening machine 105 is the onsite applications such as subway station, bus station, railway station, museum, large-scale activity
Screening machine.Screening machine 105 includes test side and display end, and test side obtained the X-ray imaging of security baggage article, and by this into
As sending to the display end of screening machine 105, safety inspector is by checking that the display end of screening machine 105 determined the luggage and articles of safety check
In whether have prohibited items.
Referring to Fig. 2, Fig. 2 is a kind of schematic flow sheet of safety check body based reminding method provided in an embodiment of the present invention, including with
Lower step：
S201, safety check alarm set obtain the eye image of the safety inspector of eye image collecting unit in real time.
Wherein, above-mentioned safety check alarm set includes human eye sensing unit, iris verification unit, real-time in safety check alarm set
Before receiving eye image, methods described also includes：
Above-mentioned human eye sensing unit senses in its induction zone whether have human eye in real time；When the sensing in the human eye sensing unit
When human eye is not sensed by area, the test side of above-mentioned screening machine and display end enter resting state, and screening machine is stopped；When
When sensing human eye in the induction zone of above-mentioned human eye sensing unit, above-mentioned iris verification unit extracts the iris feature letter of the human eye
Breath, and the iris feature information of the human eye is compared with the iris feature information stored in background data base, carry out identity
Checking；After comparing successfully, above-mentioned safety check alarm set confirms that people's identity in induction zone is legal, is safety inspector, above-mentioned safety check
Machine is started working.
Alternatively, above-mentioned authentication process itself can also be take the fingerprint characteristic information or vocal print feature information etc., and with
The fingerprint feature information or vocal print feature information of backstage storage are compared.
It is pointed out that above-mentioned safety inspector is at work, its eye is constantly in the sensing of above-mentioned human eye sensing unit
In area.
Alternatively, when above-mentioned human eye sensing units sense to the eyes of safety inspector, which leaves its induction zone, to be preset more than first
When long, above-mentioned screening machine is stopped, i.e., its test side enters holding state, and its display end enters resting state.
Alternatively, above-mentioned first preset duration can be 10s, 15s, 17s, 20s, 30s, 60s or other durations；It is preferred that
Ground, above-mentioned preset duration are 20s.
S202, safety check alarm set determine the fatigue state grade of the safety inspector according to the eye image.
Wherein, the fatigue state grade that the safety inspector is obtained according to the eye image, including：
The number of safety inspector's blink is obtained according to the eye image in the second preset duration；
The number and standard number of winks section blinked according to the safety inspector determine fatigue state of the safety inspector etc.
Level；
Wherein, the standard number of winks section is that safety inspector's state of mind is blinked when good in the preset duration
The scope of eye number.
Further, it is described to determine that the safety inspector blinks secondary according to the eye image in the second preset duration
Number, including：
Obtain eye image A eye profile and the eye profile with eye image B, the eye image A and the people
Eye pattern is two of arbitrary neighborhood in the eye image of the safety inspector gathered in second preset duration as B；
When the eye profile of the eye image A and the inconsistent eye profile of the eye image B, the peace is determined
Inspection person blinks once；
Obtain the number of safety inspector's blink in second preset duration.
Further, it is described that the safety inspector is determined according to the number that the safety inspector blinks and standard number of winks section
Fatigue state grade, including：
Obtain the difference of the number and the endpoint value in the standard number of winks section of safety inspector's blink；
When the difference is less than first threshold, the fatigue state grade for determining the safety inspector is slight fatigue；
When the difference is more than or equal to the first threshold and is less than or equal to Second Threshold, the peace is determined
The fatigue state grade of inspection person is moderate fatigue；
When the difference is more than the Second Threshold, the fatigue state grade for determining the safety inspector is severe fatigue.
Wherein, the endpoint value in the standard number of winks section includes first end point value and the second endpoint value, and described first
Endpoint value is less than second endpoint value；The number for obtaining safety inspector's blink and the standard number of winks section
The difference of endpoint value, including：
When the number of safety inspector blink is less than the first end point value, the difference is that the first end point value subtracts
Go the value of the number of safety inspector's blink；
When the number of safety inspector blink is more than second endpoint value, the difference is safety inspector blink
Number subtracts the value of second endpoint value.
Specifically, after above-mentioned iris verification unit completes the iris verification of safety inspector, above-mentioned eye image collecting unit is real
When gather the eye image of above-mentioned safety inspector, and the eye image of the safety inspector is transmitted to above-mentioned safety check alarm set frame by frame.
The eye profile of above-mentioned each eye image of safety check alarm set extract real-time, and will be adjacent in acquisition order
The eye profiles of two eye images be compared；When comparing inconsistent, above-mentioned safety check alarm set determines above-mentioned safety check
Once, above-mentioned safety check alarm set obtains the number of above-mentioned safety inspector's blink in preset duration to member's blink.
Above-mentioned safety check alarm set obtains above-mentioned safety inspector and the difference of the endpoint value in above-mentioned standard number of winks section；On
The section for stating standard number of winks is the scope of above-mentioned safety inspector's state of mind number of winks in above-mentioned preset duration when good.
The endpoint value in above-mentioned standard number of winks section includes first end point value and the second endpoint value, and above-mentioned first end point value is less than upper
State the second endpoint value.When the number of above-mentioned safety inspector blink is less than above-mentioned first end point value, above-mentioned difference is above-mentioned first end
Point value subtracts the value of the number of above-mentioned safety inspector's blink；When the number of above-mentioned safety inspector blink is more than above-mentioned second endpoint value,
Above-mentioned difference is that the number of above-mentioned safety inspector blink subtracts above-mentioned second endpoint value.
When the number of above-mentioned safety inspector blink is more than above-mentioned first end point value and is less than above-mentioned second endpoint value, above-mentioned peace
Inspection alarm set determines that the state of mind of above-mentioned safety inspector is good, does not produce sense of fatigue, above-mentioned safety check alarm set is without appointing
What is operated.
When above-mentioned difference is less than first threshold, above-mentioned safety check alarm set determines the fatigue state grade of above-mentioned safety inspector
For slight fatigue；When above-mentioned difference is more than or equal to above-mentioned first threshold and is less than or equal to Second Threshold, above-mentioned peace
Inspection alarm set determines that the fatigue state grade of above-mentioned safety inspector is moderate fatigue；When above-mentioned difference is more than above-mentioned Second Threshold
When, above-mentioned safety check alarm set determines that the fatigue state grade of above-mentioned safety inspector is severe fatigue.
Alternatively, above-mentioned second preset duration can be 10s, 15s, 17s, 20s, 30s, 60s or other durations；It is preferred that
Ground, above-mentioned preset duration are 60s.
Alternatively, above-mentioned first threshold can be 2,3,4,5,8,10 or other values；Preferably, above-mentioned first threshold is 5.
Alternatively, above-mentioned Second Threshold can be 5,8,10,15,16,20 or other values；Preferably, above-mentioned Second Threshold
For 15.
It is pointed out that above-mentioned first threshold is less than above-mentioned Second Threshold.
Illustrate, it is assumed that above-mentioned second preset duration 60s, the section of above-mentioned standard number of winks is [10,20], above-mentioned
First threshold is 5, and above-mentioned Second Threshold is 15.Above-mentioned eye image collecting unit gathers 60 eye images in 60s, above-mentioned
Safety check alarm set extracts the eye profile in 60 eye images, and by adjacent two people of acquisition order in 60 eye images
The eye profile of eye pattern picture is compared.When comparing inconsistent, above-mentioned safety inspector's blink is determined once.It is above-mentioned according to this method
Safety check alarm set determines that the number of above-mentioned safety inspector's blink is 23, determines that above-mentioned difference is less than or equal to above-mentioned first for 3, and 3
Threshold value, above-mentioned safety check alarm set determine that the fatigue state grade of above-mentioned safety inspector is slight fatigue.
Alternatively, the fatigue state grade that the safety inspector is determined according to the eye image, including：
Extract the major axis of eye profile and the ratio of short axle of every eye image in M eye images, the M be more than
1 integer；
By the major axis of the eye profile of every eye image with the ratio of short axle compared with standard value；
Obtain continuously people's eye pattern corresponding with the ratio of short axle with the major axis for the eye profile that the standard value is inconsistent
The number N of picture, the N are the integer more than 0
The fatigue state grade of the safety inspector is determined according to the N；
It is pointed out that before above-mentioned ratio is compared with above-mentioned standard value, above-mentioned safety check alarm set obtains
Eye image when above-mentioned safety inspector's state of mind is good, the eye profile of the eye image is extracted, and according to the eye profile
Major axis and short axle, standard value is calculated, the standard value for the eye profile major axis and short axle ratio.
Wherein, the major axis value of eye profile and short axle value when the standard value is good for the state of mind of the safety inspector
Ratio.
Further, the fatigue state grade that the safety inspector is determined according to the N, including：
When the N is more than the 3rd threshold value and is less than or equal to four threshold values, the fatigue state of the safety inspector is determined
Grade is slight fatigue；
When the N is more than the 4th threshold value and is less than or equal to five threshold values, the fatigue of the safety inspector is determined
State grade is moderate fatigue；
When the N is more than five threshold value, the fatigue state grade for determining the safety inspector is severe fatigue.
Specifically, after above-mentioned safety check alarm set obtains M eye images, each people in M eye images of extraction
The eye profile of eye pattern picture, and the major axis and short axle of the eye profile of each eye image are extracted, calculate above-mentioned each people
The major axis of eye profile and the ratio of short axle of eye pattern picture.Above-mentioned safety check alarm set is by the eye profile of each eye image
Major axis and short axle ratio compared with standard value；When major axis and the ratio of short axle inconsistent with standard value, above-mentioned peace
The counter for examining alarm set carries out a counting operation；When major axis and the ratio of short axle consistent with standard value, above-mentioned safety check
Its counter O reset is restarted to count by alarm set.Above-mentioned safety check alarm set obtains the count value of above-mentioned counter.Should
The major axis for the eye profile that the count value of timer can be regarded as with above-mentioned standard value is inconsistent human eye corresponding with the ratio of short axle
The number N of image.
In a kind of feasible embodiment, above-mentioned safety check alarm set obtains the eye image of above-mentioned safety inspector in real time, should
The counter of safety check alarm set starts.After the eye image of one above-mentioned safety inspector of reception, above-mentioned safety check alarm set carries
The eye profile of the eye image is taken, and extracts the major axis and short axle of the eye profile, and then obtains the length of above-mentioned eye profile
The ratio of axle and short axle.Above-mentioned safety check alarm set compared with above-mentioned standard value, counts the ratio according to result of the comparison to it
Number device is operated.So repeatedly, when above-mentioned ratio and inconsistent above-mentioned standard value, the counter of above-mentioned safety check alarm set
Carry out a counting operation；When above-mentioned ratio is consistent with above-mentioned standard ratio, above-mentioned safety check alarm set is by its counter
Count value is reset, and restarts to count.
Above-mentioned safety check alarm set can obtain the count value of above-mentioned counter in real time, and determine above-mentioned peace according to the count value
The fatigue state grade of inspection person.
It should be noted that the count value of above-mentioned timer is interpreted as and above-mentioned number N.
Above-mentioned safety check alarm set obtains above-mentioned number N and the fatigue state of above-mentioned safety inspector is determined according to above-mentioned number N
Grade；When above-mentioned number N is less than or equal to above-mentioned three threshold value, above-mentioned safety check alarm set determines the essence of above-mentioned safety inspector
God is in good condition；When above-mentioned number N is more than above-mentioned 3rd threshold value and is less than or equal to above-mentioned four threshold value, above-mentioned safety check carries
Awake device determines that the fatigue state grade of above-mentioned safety inspector is slight fatigue；When above-mentioned data N is more than above-mentioned 4th threshold value and small
When above-mentioned five threshold value, above-mentioned safety check alarm set determines that the fatigue state grade of above-mentioned safety inspector is tired for moderate
Labor；When above-mentioned data N is more than above-mentioned five threshold value, above-mentioned safety check alarm set determines the fatigue state grade of above-mentioned safety inspector
For severe fatigue.
Alternatively, above-mentioned 3rd threshold value can be 1,2,3,5,6 or other values；Preferably, above-mentioned 3rd threshold value is 5.
Alternatively, above-mentioned 4th threshold value can be 5,6,8,10,12,15 or other values；Preferably, above-mentioned 4th threshold value is
10。
Alternatively, above-mentioned 5th threshold value can be 1,2,3,5,6 or other values；Preferably, above-mentioned 5th threshold value is 20.
It should be noted that above-mentioned 3rd threshold value is less than above-mentioned 4th threshold value, above-mentioned 4th threshold value is less than above-mentioned 5th threshold
Value.
It should be noted that the eye profile of above-mentioned eye image is not covered the part exposed for eyeball by eyelid,
The part can regard an ellipse as, therefore can be by eye outline definition ellipse.It is above-mentioned as shown in figure 3, above-mentioned L1 is
Oval major axis, above-mentioned L2 are oval short axle.
S203, safety check alarm set mode according to corresponding to the fatigue state grade of the safety inspector remind the safety check
Member.
Wherein, mode corresponding to the fatigue state grade according to the safety inspector is handled, including：
When the fatigue state grade of the safety inspector is slight tired, warning message, institute are sent to acoustic-optic alarm
Warning message is stated to be used to indicate that the acoustic-optic alarm carries out sound and light alarm；
When the fatigue state grade of the safety inspector is moderate fatigue, reminder message is sent to Surveillance center, it is described to carry
Message of waking up is used to indicate that the staff of the Surveillance center to remind the safety inspector；
When the fatigue state grade of the safety inspector is severe fatigue, after current safety check work is completed in screening machine,
The instruction that is stopped is sent to the screening machine, the instruction that is stopped is used to indicate that the screening machine is stopped.
Specifically, when above-mentioned safety inspector fatigue state grade for it is slight tired when, above-mentioned safety check alarm set is to above-mentioned
Acoustic-optic alarm sends warning message, and the warning message is used to indicate that above-mentioned acoustic-optic alarm carries out sound and light alarm, to carry
The above-mentioned safety inspector that wakes up focuses on work；When the fatigue state grade of above-mentioned safety inspector is moderate fatigue, above-mentioned safety check carries
Device of waking up sends reminder message to above-mentioned Surveillance center, and the reminder message is used to indicate that the staff of above-mentioned Surveillance center to remind
Above-mentioned safety inspector focuses on work；When the fatigue state grade of above-mentioned safety inspector is severe fatigue, completed in screening machine
After current safety check work, above-mentioned safety check alarm set sends the instruction that is stopped, the instruction that is stopped to above-mentioned screening machine
For indicating that above-mentioned screening machine is stopped, above-mentioned safety inspector is avoided because severe fatigue causes not find prohibited items in time,
And then produce potential safety hazard.
As can be seen that in the scheme of the embodiment of the present invention, the eye image of alarm set real-time reception safety inspector, according to
Eye image determines the fatigue state grade of safety inspector, and the mode according to corresponding to the fatigue state grade of safety inspector reminds the peace
Inspection person, make its work of focusing on.Be advantageous to, when safety inspector produces sense tired out, improve safety inspector using the embodiment of the present invention
Judgment, ensured the validity and high efficiency of safe examination system.
Referring to Fig. 4, Fig. 4 is a kind of interactive schematic flow sheet of safety check based reminding method provided in an embodiment of the present invention.Such as
Shown in Fig. 4, this method includes：
S401, eye image collecting unit gather the eye image of safety inspector in real time.
Wherein, before the eye image of above-mentioned safety inspector is gathered in real time, above-mentioned safety check alarm set checking safety inspector's
Whether identity is legal.
Specifically, the iris feature information of above-mentioned safety check apparatus collection safety inspector, by the iris feature information of safety inspector with
The iris feature information stored in background data base is contrasted.After contrasting successfully, the test side of screening machine is from holding state
Into working condition, the display end of screening machine enters working condition from resting state；When contrasting unsuccessful, the detection of screening machine
End keeps holding state, and the display end of screening machine keeps resting state.
S402, eye image collecting unit send the eye image of safety inspector to safety check alarm set.
S403, safety check alarm set extract the eye profile of the eye image of safety inspector.
S404, safety check alarm set are contrasted the profile of adjacent two eye images in acquisition order.
It should be noted that above-mentioned safety check alarm set enters the profile of adjacent two eye images in acquisition order
After row has contrasted, then contrast down a pair of eye profiles in adjacent two eye images in acquisition order.
S405, safety check alarm set judge whether the profile of adjacent two eye images in acquisition order is consistent.
Wherein, when the profile in two eye images adjacent in acquisition order is consistent, above-mentioned safety check alarm set is held
Row step S404；When the profile of two eye images adjacent in acquisition order is inconsistent, above-mentioned safety check alarm set performs
Step S406.
S406, safety check alarm set determine safety inspector's blink once.
S407, safety check alarm set obtain the number that safety inspector blinks in preset duration.
S408, safety check alarm set obtain the difference of the number and the endpoint value in standard number of winks section of safety inspector's blink
Value.
Wherein, the endpoint value in above-mentioned standard number of winks section includes first end point value and the second endpoint value, and above-mentioned
One end point value is less than above-mentioned second endpoint value.
When the number of above-mentioned safety inspector blink is less than above-mentioned first end point value, above-mentioned difference is that first end point value subtracts
State the value of the number of safety inspector's blink；When the number of above-mentioned safety inspector blink is more than above-mentioned second endpoint value, above-mentioned difference is
The number of above-mentioned safety inspector's blink subtracts the value of the second endpoint value.
The difference of S409, the number that safety check alarm set is blinked according to safety inspector and standard number of winks section endpoint value
Determine the fatigue state grade of safety inspector.
S410, safety check alarm set determine the fatigue state grade of safety inspector for it is slight tired when, to acoustic-optic alarm
Send sound and light alarm message.
S411, acoustic-optic alarm carry out sound and light alarm.
Alternatively, above-mentioned acoustic-optic alarm can be with the display end of screening machine integrate with loudspeaker and
LED device；It can also be the terminal device of safety inspector.
Above-mentioned terminal device can be smart mobile phone, Intelligent bracelet or intelligent watch etc..
S412, safety check alarm set determine the fatigue state grade of safety inspector when being moderate fatigue, are sent to Surveillance center
Reminder message.
S413, the staff of instruction Surveillance center of Surveillance center remind safety inspector.
S414, safety check alarm set determine the fatigue state grade of safety inspector when being severe fatigue, send and stop to screening machine
Only work order.
S415, screening machine are stopped.
Specifically, above-mentioned screening machine after current safety check work is completed, from working condition enter by the test side of the screening machine
Enter holding state, the display end of screening machine enters resting state from working condition.
It should be noted that the specific implementation process of each step of method shown in Fig. 4 can be found in Fig. 2 methods describeds
Specific implementation process, is no longer described herein.
Referring to Fig. 5, Fig. 5 is the interactive schematic flow sheet of another safety check based reminding method provided in an embodiment of the present invention.
As shown in figure 5, this method includes：
S501, eye image collecting unit gather the eye image of safety inspector in real time.
Wherein, before the eye image of above-mentioned safety inspector is gathered in real time, above-mentioned safety check alarm set checking safety inspector's
Whether identity is legal.
Specifically, the iris feature information of above-mentioned safety check apparatus collection safety inspector, by the iris feature information of safety inspector with
The iris feature information stored in background data base is contrasted.After contrasting successfully, the test side of screening machine is from holding state
Into working condition, the display end of screening machine enters working condition from resting state；When contrasting unsuccessful, the detection of screening machine
End keeps holding state, and the display end of screening machine keeps resting state.
S502, eye image collecting unit send the eye image of safety inspector to safety check alarm set.
S503, safety check alarm set extract the eye profile of the eye image of safety inspector.
S504, safety check alarm set obtain the major axis of eye profile and the ratio of short axle of the eye image of safety inspector.
S505, safety check alarm set judge the major axis of eye profile and the ratio of short axle and mark of the eye image of safety inspector
Whether quasi- value is consistent.
Wherein, when the major axis of eye profile of the eye image of safety inspector is consistent with standard value with the ratio of short axle, on
After stating the execution of safety check alarm set step S506, execution of step S506, then perform step S503；When the eye image of safety inspector
Eye profile major axis and short axle ratio and standard value it is inconsistent when, above-mentioned safety check alarm set performs step S507.
It should be noted that above-mentioned safety check alarm set has been after current eye image has been judged, then contrast down a pair
The eye profile of two adjacent eye images in acquisition order.
S506, safety check alarm set are by its counter O reset.
S507, the counter of safety check alarm set carry out a counting operation.
S508, safety check alarm set obtain the count value of its counter.
It is pointed out that the count value of above-mentioned counter can regard eye continuously inconsistent with above-mentioned standard value as
The number of the major axis of profile eye image corresponding with the ratio of short axle.
S509, safety check alarm set determine the fatigue state grade of safety inspector according to the count value of its timer.
S510, safety check alarm set determine the fatigue state grade of safety inspector for it is slight tired when, to acoustic-optic alarm
Send sound and light alarm message.
S511, acoustic-optic alarm carry out sound and light alarm.
Alternatively, above-mentioned acoustic-optic alarm can be with the display end of screening machine integrate with loudspeaker and
LED device；It can also be the terminal device of safety inspector.
Above-mentioned terminal device can be smart mobile phone, Intelligent bracelet or intelligent watch etc..
S512, safety check alarm set determine the fatigue state grade of safety inspector when being moderate fatigue, are sent to Surveillance center
Reminder message.
S513, the staff of instruction Surveillance center of Surveillance center remind safety inspector.
S514, safety check alarm set determine the fatigue state grade of safety inspector when being severe fatigue, send and stop to screening machine
Only work order.
S515, screening machine are stopped.
Specifically, above-mentioned screening machine after current safety check work is completed, from working condition enter by the test side of the screening machine
Enter holding state, the display end of screening machine enters resting state from working condition.
It should be noted that the specific implementation process of each step of method shown in Fig. 5 can be found in described in the above method
Specific implementation process, no longer describe herein.
Referring to Fig. 6, Fig. 6 is that the embodiment of the present invention additionally provides a kind of structural representation of safety check alarm set.Such as Fig. 6 institutes
Show, the safety check alarm set 600 includes：
Acquiring unit 601, the eye image of the safety inspector for obtaining the collection of eye image collecting unit in real time.
Determining unit 602, for determining the fatigue state grade of the safety inspector according to the eye image.
Wherein, the determining unit 602 includes：
First obtains subelement 6021, is blinked for obtaining the safety inspector according to the eye image in preset duration
Number；
First determination subelement 6022, number and standard number of winks section for being blinked according to the safety inspector determine
The fatigue state grade of the safety inspector；
Wherein, the standard number of winks section is that safety inspector's state of mind is blinked when good in the preset duration
The scope of eye number.
Further, the first acquisition subelement 6021 includes：
Second obtains subelement 60211, for obtaining eye image A eye profile and eye wheel with eye image B
Exterior feature, the eye image A and the eye image B are in the eye image of the safety inspector gathered in the preset duration
Two of arbitrary neighborhood；
Second determination subelement 60212, the eye for eye profile and the eye image B as the eye image A
When contouring is inconsistent, safety inspector's blink is determined once；
3rd obtains subelement 60213, for obtaining the number of safety inspector's blink in the preset duration.
Further, first determination subelement 6022 includes：
4th obtains subelement 60221, for the number for obtaining safety inspector's blink and the standard number of winks area
Between endpoint value difference；
3rd determination subelement 60222, for when the difference is less than first threshold, determining the fatigue of the safety inspector
State grade is slight fatigue；
4th determination subelement 60223, for when the difference be more than or equal to the first threshold and be less than or
During equal to Second Threshold, the fatigue state grade for determining the safety inspector is moderate fatigue；
5th determination subelement 60224, for when the difference is more than the Second Threshold, determining the safety inspector's
Fatigue state grade is severe fatigue.
Wherein, the endpoint value in the standard number of winks section includes first end point value and the second endpoint value, and described first
Endpoint value is less than second endpoint value；The 4th acquisition subelement 60221 is used for：
When the number of safety inspector blink is less than the first end point value, the difference is that the first end point value subtracts
Go the value of the number of safety inspector's blink；
When the number of safety inspector blink is more than second endpoint value, the difference is safety inspector blink
Number subtracts the value of second endpoint value.
In a kind of feasible embodiment, the determining unit 602 includes：
Extract subelement 6023, for extract in M eye images the major axis of the eye profile of every eye image with it is short
The ratio of axle, the M are the integer more than 1；
Comparing subunit 6024, for by the major axis of eye profile and the ratio of short axle and mark of every eye image
Quasi- value is compared；
5th obtains subelement 6025, for obtain it is continuous with the major axis of the inconsistent eye profile of the standard value with
The number N of eye image corresponding to the ratio of short axle, the N are the integer more than 0,
6th determination subelement 6026, for determining the fatigue state grade of the safety inspector according to the N；
Wherein, the major axis value of eye profile and short axle value when the standard value is good for the state of mind of the safety inspector
Ratio.
Specifically, the 6th determination subelement 6026 includes：
7th determination subelement 60261, for being more than the 3rd threshold value and when being less than or equal to four threshold values as the N,
The fatigue state grade for determining the safety inspector is slight fatigue；
8th determination subelement 60262, for when the N is more than the 4th threshold value and is less than or equal to the 5th threshold value
When, the fatigue state grade for determining the safety inspector is moderate fatigue；
9th determination subelement 60263, for when the N is more than five threshold value, determining that the safety inspector's is tired
Labor state grade is severe fatigue.
Reminding unit 603, the safety inspector is reminded for mode corresponding to the fatigue state grade according to the safety inspector.
Wherein, the reminding unit includes：
First transmission sub-unit 6031, for when the safety inspector fatigue state grade for it is slight tired when, to acousto-optic
Warning device sends warning message, and the warning message is used to indicate that the acoustic-optic alarm carries out sound and light alarm；
Second transmission sub-unit 6032, for when the fatigue state grade of the safety inspector is moderate fatigue, to monitoring
Center sends reminder message, and the reminder message is used to indicate that the staff of the Surveillance center to remind the safety inspector；
3rd transmission sub-unit 6033, for when the fatigue state grade of the safety inspector is severe fatigue, in safety check
After machine completes current safety check work, the instruction that is stopped is sent to the screening machine, the instruction that is stopped is used to indicate
The screening machine is stopped.
It should be noted that above-mentioned each unit (acquiring unit 601, determining unit 602 and reminding unit 603) is used to perform
The correlation step of the above method.
In the present embodiment, safety check alarm set 600 is presented in the form of unit.Here " unit " can refer to spy
Determine application integrated circuit (application-specific integrated circuit, ASIC), perform one or more soft
The processor and memory of part or firmware program, integrated logic circuit, and/or other can provide the device of above-mentioned function.This
Outside, above acquiring unit 601, determining unit 602 and reminding unit 603 can pass through the processing of the safety check alarm set shown in Figure 11
Device 1101 is realized.
As shown in figure 11 safety check alarm set 1100 can realize with the structure in Figure 11, the safety check alarm set 1100
Including at least one processor 1101, at least one memory 1102 and at least one communication interface 1103.The processor
1101st, the memory 1102 is connected by the communication bus with the communication interface 1103 and completes mutual communication.
Processor 1101 can be general central processor (CPU), microprocessor, ASIC
(application-specific integrated circuit, ASIC), or it is one or more for controlling above scheme journey
The integrated circuit that sequence performs.
Communication interface 1103, for other equipment or communication, such as Ethernet, wireless access network (RAN), nothing
Line LAN (Wireless Local Area Networks, WLAN) etc..
Memory 1102 can be read-only storage (read-only memory, ROM) or can store static information and refer to
The other kinds of static storage device of order, random access memory (random access memory, RAM) or can be stored
Information and the other kinds of dynamic memory or EEPROM of instruction
(Electrically Erasable Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact
Disc Read-Only Memory, CD-ROM) or other optical disc storages, laser disc storage (including compression laser disc, laser disc, light
Dish, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or
Storage with instruction or data structure form desired program code and can by any other medium of computer access, but
Not limited to this.Memory can be individually present, and be connected by bus with processor.Memory can also integrate with processor
Together.
Wherein, the memory 1102 be used for store perform above scheme application code, and by processor 501
Control performs.The processor 1101 is used to perform the application code stored in the memory 1102.
The code that memory 1102 stores can perform the above-mentioned safety check based reminding method that terminal device provided above performs, than
Eye image as obtained the safety inspector that eye image collecting unit gathers in real time；The safety check is determined according to the eye image
The fatigue state grade of member；The safety inspector is reminded according to mode corresponding to the fatigue state grade of the safety inspector.
The embodiment of the present invention also provides a kind of computer-readable storage medium, wherein, the computer-readable storage medium can be stored with journey
Sequence, the program include the part or all of step of any safety check based reminding method described in the above method embodiment when performing
Suddenly.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, can be by another way
Realize.For example, device embodiment described above is only schematical, such as the division of the unit, it is only one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.Another, shown or discussed is mutual
Coupling direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer-readable access to memory.Based on such understanding, technical scheme substantially or
Person say the part to be contributed to prior art or the technical scheme all or part can in the form of software product body
Reveal and, the computer software product is stored in a memory, including some instructions are causing a computer equipment
(can be personal computer, server or network equipment etc.) performs all or part of each embodiment methods described of the present invention
Step.And foregoing memory includes：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with the medium of store program codes.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable memory, memory
It can include：Flash disk, read-only storage (English：Read-Only Memory, referred to as：ROM), random access device (English：
Random Access Memory, referred to as：RAM), disk or CD etc..
The embodiment of the present invention is described in detail above, specific case used herein to the principle of the present invention and
Embodiment is set forth, and the explanation of above example is only intended to help the method and its core concept for understanding the present invention；
Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, can in specific embodiments and applications
There is change part, to sum up above-mentioned, this specification content should not be construed as limiting the invention.
Claims (18)
- A kind of 1. safety inspector's based reminding method, it is characterised in that including：The eye image of the safety inspector of eye image collecting unit collection is obtained in real time；The fatigue state grade of the safety inspector is determined according to the eye image；The safety inspector is reminded according to mode corresponding to the fatigue state grade of the safety inspector.
- 2. according to the method for claim 1, it is characterised in that described to obtain the safety inspector's according to the eye image Fatigue state grade, including：The number of safety inspector's blink is obtained according to the eye image in preset duration；The fatigue state grade of the safety inspector is determined with standard number of winks section according to the number that the safety inspector blinks；Wherein, the standard number of winks section is that blink is secondary in the preset duration when safety inspector's state of mind is good Several scopes.
- 3. according to the method for claim 2, it is characterised in that described to be determined in preset duration according to the eye image The number of safety inspector's blink, including：Obtain eye image A eye profile and the eye profile with eye image B, the eye image A and people's eye pattern As B is two of arbitrary neighborhood in the eye image of the safety inspector gathered in the preset duration；When the eye profile of the eye image A and the inconsistent eye profile of the eye image B, the safety inspector is determined Blink is once；Obtain the number of safety inspector's blink in the preset duration.
- 4. according to the method in claim 2 or 3, it is characterised in that the number and mark blinked according to the safety inspector Quasi- number of winks section determines the fatigue state grade of the safety inspector, including：Obtain the difference of the number and the endpoint value in the standard number of winks section of safety inspector's blink；When the difference is less than first threshold, the fatigue state grade for determining the safety inspector is slight fatigue；When the difference is more than or equal to the first threshold and is less than or equal to Second Threshold, the safety inspector is determined Fatigue state grade for moderate fatigue；When the difference is more than the Second Threshold, the fatigue state grade for determining the safety inspector is severe fatigue.
- 5. according to the method for claim 4, it is characterised in that the endpoint value in the standard number of winks section includes first Endpoint value and the second endpoint value, the first end point value are less than second endpoint value；It is described to obtain what the safety inspector blinked The difference of number and the endpoint value in the standard number of winks section, including：When the number of safety inspector blink is less than the first end point value, the difference subtracts institute for the first end point value State the value of the number of safety inspector's blink；When the number of safety inspector blink is more than second endpoint value, the difference is the number of safety inspector blink Subtract the value of second endpoint value.
- 6. according to the method for claim 1, it is characterised in that described to determine the safety inspector's according to the eye image Fatigue state grade, including：The major axis of eye profile and the ratio of short axle of every eye image in M eye images are extracted, the M is more than 1 Integer；By the eye profile major axis of every eye image with the ratio of short axle compared with standard value；Obtain continuously corresponding with the ratio of short axle with the major axis for the eye profile that the standard value is inconsistent eye image Number N, the N are the integer more than 0；The fatigue state grade of the safety inspector is determined according to the N；Wherein, the major axis value of eye profile and the ratio of short axle value when the standard value is good for the state of mind of the safety inspector Value.
- 7. according to the method for claim 6, it is characterised in that the tired shape that the safety inspector is determined according to the N State grade, including：When the N is more than the 3rd threshold value and is less than or equal to four threshold values, the fatigue state grade of the safety inspector is determined For slight fatigue；When the N is more than the 4th threshold value and is less than or equal to five threshold values, the fatigue state of the safety inspector is determined Grade is moderate fatigue；When the N is more than five threshold value, the fatigue state grade for determining the safety inspector is severe fatigue.
- 8. according to the method described in claim 1,4 or 7, it is characterised in that described according to fatigue state of the safety inspector etc. Mode corresponding to level is handled, including：When the fatigue state grade of the safety inspector is slight tired, warning message, the report are sent to acoustic-optic alarm Alert message is used to indicate that the acoustic-optic alarm carries out sound and light alarm；When the fatigue state grade of the safety inspector is moderate fatigue, reminder message is sent to Surveillance center, the prompting disappears Cease the staff for indicating the Surveillance center and remind the safety inspector；When the fatigue state grade of the safety inspector is severe fatigue, after current safety check work is completed in screening machine, to institute State screening machine and send the instruction that is stopped, the instruction that is stopped is used to indicate that the screening machine is stopped.
- A kind of 9. safety inspector's alarm set, it is characterised in that including：Acquiring unit, the eye image of the safety inspector for obtaining the collection of eye image collecting unit in real time；Determining unit, for determining the fatigue state grade of the safety inspector according to the eye image；Reminding unit, the safety inspector is reminded for mode corresponding to the fatigue state grade according to the safety inspector.
- 10. device according to claim 9, it is characterised in that the determining unit includes：First obtains subelement, for obtaining the number of safety inspector's blink according to the eye image in preset duration；First determination subelement, number and standard number of winks section for being blinked according to the safety inspector determine the safety check The fatigue state grade of member；Wherein, the standard number of winks section is that blink is secondary in the preset duration when safety inspector's state of mind is good Several scopes.
- 11. device according to claim 10, it is characterised in that the first acquisition subelement includes：Second obtains subelement, for obtaining eye image A eye profile and eye profile with eye image B, the people Eye pattern is arbitrary neighborhood in the eye image of the safety inspector gathered in the preset duration as the A and eye image B Two；Second determination subelement, the eye profile for eye profile and the eye image B as the eye image A differ During cause, safety inspector's blink is determined once；3rd obtains subelement, for obtaining the number of safety inspector's blink in the preset duration.
- 12. the device according to claim 10 or 11, it is characterised in that first determination subelement includes：4th obtains subelement, for obtaining the number and the endpoint value in the standard number of winks section of safety inspector's blink Difference；3rd determination subelement, for when the difference is less than first threshold, determining the fatigue state grade of the safety inspector For slight fatigue；4th determination subelement, for when the difference is more than or equal to the first threshold and is less than or equal to the second threshold During value, the fatigue state grade for determining the safety inspector is moderate fatigue；5th determination subelement, for when the difference is more than the Second Threshold, determining the fatigue state of the safety inspector Grade is severe fatigue.
- 13. device according to claim 12, it is characterised in that the endpoint value in the standard number of winks section includes the One end point value and the second endpoint value, the first end point value are less than second endpoint value；The 4th acquisition subelement is used for：When the number of safety inspector blink is less than the first end point value, the difference subtracts institute for the first end point value State the value of the number of safety inspector's blink；When the number of safety inspector blink is more than second endpoint value, the difference is the number of safety inspector blink Subtract the value of second endpoint value.
- 14. device according to claim 9, it is characterised in that the determining unit includes：Subelement is extracted, for extracting the major axis of eye profile and the ratio of short axle of every eye image in M eye images, The M is the integer more than 1；Comparing subunit, for the ratio of the major axis of the eye profile of every eye image and short axle and standard value to be carried out Compare；5th obtains subelement, for obtaining the ratio of the continuous and major axis of the inconsistent eye profile of the standard value and short axle The number N of eye image corresponding to value, the N are the integer more than 0,6th determination subelement, for determining the fatigue state grade of the safety inspector according to the N；Wherein, the major axis value of eye profile and the ratio of short axle value when the standard value is good for the state of mind of the safety inspector Value.
- 15. device according to claim 14, it is characterised in that the 6th determination subelement includes：7th determination subelement, for when the N is more than the 3rd threshold value and is less than or equal to four threshold values, determining the peace The fatigue state grade of inspection person is slight fatigue；8th determination subelement, for when the N is more than the 4th threshold value and is less than or equal to five threshold values, determining institute The fatigue state grade for stating safety inspector is moderate fatigue；9th determination subelement, for when the N is more than five threshold value, determining the fatigue state grade of the safety inspector For severe fatigue.
- 16. according to the device described in claim 9,12 or 15, it is characterised in that the reminding unit includes：First transmission sub-unit, for when the safety inspector fatigue state grade for it is slight tired when, to acoustic-optic alarm Warning message is sent, the warning message is used to indicate that the acoustic-optic alarm carries out sound and light alarm；Second transmission sub-unit, for when the fatigue state grade of the safety inspector is moderate fatigue, being sent to Surveillance center Reminder message, the reminder message are used to indicate that the staff of the Surveillance center to remind the safety inspector；3rd transmission sub-unit, for when the fatigue state grade of the safety inspector is severe fatigue, completing to work as in screening machine After preceding safety check work, the instruction that is stopped is sent to the screening machine, the instruction that is stopped is used to indicate the safety check Machine is stopped.
- A kind of 17. safety inspector's alarm set, it is characterised in that including：It is stored with the memory of executable program code；With the processor coupled；The processor calls the executable program code stored in the memory, performs as claim 1-8 is any Method described in.
- A kind of 18. computer-readable recording medium, it is characterised in that the computer-readable storage medium is stored with computer program, The computer program includes programmed instruction, and described program instruction makes the computing device such as right when being executed by a processor It is required that the method described in any one of 1-8.
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| CN201711031411.7A CN107798825A (en) | 2017-10-26 | 2017-10-26 | Safety inspector's based reminding method and device |
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| CN115620385A (en) * | 2022-11-07 | 2023-01-17 | 湖南苏科智能科技有限公司 | Multivariate data-based security check worker attention detection method and system |
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