CN108354611A - Blink motion detection method, device, readable storage medium storing program for executing and electronic equipment - Google Patents
Blink motion detection method, device, readable storage medium storing program for executing and electronic equipment Download PDFInfo
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- CN108354611A CN108354611A CN201711375988.XA CN201711375988A CN108354611A CN 108354611 A CN108354611 A CN 108354611A CN 201711375988 A CN201711375988 A CN 201711375988A CN 108354611 A CN108354611 A CN 108354611A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
Abstract
This disclosure relates to which a kind of blink motion detection method, device, readable storage medium storing program for executing and electronic equipment, this method include：Signal to moving detection chip output for detecting multiple bodies of blink action is carried out at the same time sampling；When the voltage value that any body moves the sampled point of detection chip is more than first threshold, sample point data of the detection chip in the preset duration from the time of the sampled point corresponds to is moved according to per individual respectively, determines the actual value for moving the corresponding a variety of characteristic parameters of blinking of detection chip per individual；For every individual dynamic detection chip, which is moved into the actual value of the corresponding target blink characteristic parameter group of detection chip, the ideal value of this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body matches；When the accounting for the sum that the quantity for moving detection chip in the body of successful match accounts for the dynamic detection chip of body is greater than or equal to second threshold, determine that blink action occurs for subject.It may therefore be assured that the real-time and accuracy of detection process, applicability are more extensive.
Description
Technical field
This disclosure relates to which eyes blink detection field, and in particular, to a kind of blink motion detection method, device, readable
Storage medium and electronic equipment.
Background technology
It is that a whole set of circuit with electromagnetic radiation and receive capabilities is integrated into a chip that body, which moves detection chip,
Action for detecting human body, its advantage is that it is small, power consumption is low, easy to use.Its basic principle is outwardly to emit electromagnetism
Wave simultaneously detects reflected electromagnetic wave, and testing result is exported in a manner of voltage.Body move detection chip work when transmitting and
It is a continuously process to receive electromagnetic wave, and the voltage of output is also the process of a consecutive variations.When being not detected
When human action, output voltage stabilization changes at one in extremely small numberical range；When detecting human action, output
Voltage will fluctuate, and the amplitude of fluctuation corresponds to the amplitude of the human action detected, and the corresponding frequency of fluctuation is people
The frequency of body action.The testing result that body moves detection chip output is voltage continuously varying analog signal all the way, passes through chip
The form of pin outwardly exports.
Wherein, blink action is closely bound up with the physical condition of user, therefore, is supervised in real time to the blink action of user
It surveys, the physical condition of user can be monitored.For example, can determine whether user locates according to the result of blink motion detection
In fatigue state.In the prior art, the voltage signal that detection chip output is moved according to single body identifies and detects what eyes blinked
Method can determine that blink action occurs for subject after subject blinks, and there is the delay that blink judges, and accurate
Rate is relatively low.Meanwhile the voltage signal for ceaselessly moving detection chip output to body being needed to be handled and stored when executing this method
The a large amount of sample point data.Therefore, the requirement during above method is implemented to the memory of hardware and performance is all compared
It is high so that the cost increase of product entirety.In addition, the processing operation of calculating and the storage of long-term big load, the loss to hardware
Also bigger so that the failure rate of product rises, and service life substantially reduces.
Invention content
Purpose of this disclosure is to provide a kind of blinks that can fast and accurately determine subject and blink action whether occurs
Motion detection method, device, readable storage medium storing program for executing and electronic equipment.
To achieve the goals above, according to the disclosure in a first aspect, provide a kind of blink motion detection method, including：
Signal to moving detection chip output for detecting multiple bodies of blink action is carried out at the same time sampling；
It is dynamic according to each body respectively when the voltage value that any body moves the sampled point of detection chip is more than first threshold
Sample point data of the detection chip in the preset duration from the time of the sampled point corresponds to determines the dynamic detection of each body
The actual value of the corresponding a variety of blink characteristic parameters of chip；
Detection chip is moved for each body, which is moved to the reality of the corresponding target blink characteristic parameter group of detection chip
Actual value, the ideal value of this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body are matched, wherein the target
Characteristic parameter group of blinking includes at least one of described a variety of blink characteristic parameters；
The quantity that detection chip is moved in the body of successful match accounts for the accounting of the sum that body moves detection chip and is greater than or equal to the
When two threshold values, determine that blink action occurs for subject.
Optionally, detection chip is moved for each body described, which is moved into the corresponding target of detection chip and is blinked
The actual value of characteristic parameter group, the ideal value of this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body are matched
The step of before, the method further includes：
The actual value of the corresponding a variety of blink characteristic parameters of detection chip and each institute are moved according to each body
The ideal value that body moves the corresponding a variety of blink characteristic parameters of detection chip is stated, a variety of blink characteristic parameters are sieved
Choosing moves the corresponding target blink characteristic parameter group of detection chip to obtain each body.
Optionally, the basis each the body move detection chip it is corresponding it is described it is a variety of blink characteristic parameters reality
Value and each body move the ideal value of the corresponding a variety of blink characteristic parameters of detection chip, to a variety of blinks
Characteristic parameter is screened, including：
For each blink characteristic parameter, corresponding this kind blink characteristic parameter of detection chip is moved according to the multiple body
Calculated with actual values this kind blink characteristic parameter the first average value, and, it is corresponding that detection chip is moved according to the multiple body
The ideal value of this kind blink characteristic parameter calculates the second average value of this kind blink characteristic parameter；
If first average value and the absolute value of the difference of second average value are less than or equal to special with this kind blink
The corresponding third threshold value of parameter is levied, then this kind blink characteristic parameter is determined as target blink characteristic parameter.
Optionally, described to move detection chip for each body, it is special which is moved into the corresponding target blink of detection chip
The ideal value of the actual value, this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body of levying parameter group is matched,
Including：
The body is moved into the actual value of the corresponding target blink characteristic parameter group of detection chip by following formula, is moved with the body
The ideal value of corresponding this group of target blink characteristic parameter of detection chip is matched：
Wherein, GiIndicate that i-th of body moves the actual value of the corresponding target blink characteristic parameter group of detection chip and the body moves
The matching degree of the ideal value of corresponding this group of target blink characteristic parameter of detection chip；
fi(t) indicate that i-th of body moves various targets blink features in the corresponding target blink characteristic parameter group of detection chip
The ideal value of parameter is formed by vector；
Fi(t) indicate that i-th of body moves various targets blink features in the corresponding target blink characteristic parameter group of detection chip
The actual value of parameter is formed by vector；
Cov(fi(t),Fi(t)) f is indicatedi(t) and Fi(t) covariance；
Indicate fi(t) mean square deviation；
Indicate Fi(t) mean square deviation；
In the matching degree GiWhen more than four threshold values, determine that i-th of body moves detection chip successful match.
Optionally, the 4th threshold value obtains in the following way：
Sampling is carried out at the same time to the signal for moving detection chip output for detecting multiple bodies of blink action in advance；
Sample point data of the detection chip within a period is moved according to each body respectively, determines the dynamic inspection of each body
Survey the experiment value of the corresponding a variety of blink characteristic parameters of chip；
Detection chip is moved for each body, the reality of the corresponding a variety of blink characteristic parameters of detection chip is moved according to the body
It tests value and calculates each body with the ideal value of a variety of blink characteristic parameters, by following formula and move detection chip corresponding the
Three average values：
Wherein, MiIndicate that i-th of body moves the corresponding third average value of detection chip；
P indicates the species number of blink characteristic parameter；
fi(tj) indicate that i-th of body moves the ideal value of the corresponding jth kind blink characteristic parameter of detection chip；
gi(tj) indicate that i-th of body moves the experiment value of the corresponding jth kind blink characteristic parameter of detection chip；
H=max [Mi], H indicates the 4th threshold value.
Optionally, the method further includes：
When determining that blink action occurs for subject, at the end of determining that each body moves the corresponding blink of detection chip
Between；And it in the case where obtaining each body and moving detection chip corresponding blink end time, returns to when any
When the voltage value of the sampled point of the dynamic detection chip of body is more than first threshold, detection chip is moved according to each body respectively and certainly should
It is corresponding a variety of to determine that each body moves detection chip for the sample point data in preset duration from the time of sampled point corresponds to
The step of actual value of blink characteristic parameter.
According to the second aspect of the disclosure, a kind of blink action detection device is provided, described device includes：
Sampling module is adopted for being carried out at the same time to the signal for moving detection chip output for detecting multiple bodies of blink action
Sample；
First determining module, when being more than first threshold for moving the voltage value of sampled point of detection chip when any body, point
Sample point data of the detection chip in the preset duration from the time of the sampled point corresponds to is not moved according to each body, really
Fixed each body moves the actual value of the corresponding a variety of blink characteristic parameters of detection chip；
The body is moved the corresponding target of detection chip and blinked by matching module for moving detection chip for each body
The ideal value progress of the actual value of characteristic parameter group, this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body
Match, wherein the target blink characteristic parameter group includes at least one of described a variety of blink characteristic parameters；
Second determining module, the quantity for moving detection chip in the body of successful match account for the sum of the dynamic detection chip of body
When accounting is greater than or equal to second threshold, determine that blink action occurs for subject.
Optionally, described device further includes：
Screening module moves detection chip for being directed to each body in the matching module, which is moved detection chip
The actual value of corresponding target blink characteristic parameter group moves corresponding this group of target blink characteristic parameter of detection chip with the body
Before ideal value is matched, the reality of the corresponding a variety of blink characteristic parameters of detection chip is moved according to each body
Value and each body move the ideal value of the corresponding a variety of blink characteristic parameters of detection chip, to a variety of blinks
Characteristic parameter is screened, and the corresponding target blink characteristic parameter group of detection chip is moved to obtain each body.
Optionally, the screening module includes：
Computational submodule, for for each blink characteristic parameter, it is corresponding to move detection chip according to the multiple body
First average value of the calculated with actual values of this kind blink characteristic parameter this kind blink characteristic parameter, and, according to the multiple body
The ideal value for moving corresponding this kind blink characteristic parameter of detection chip calculates the second average value of this kind blink characteristic parameter；
First determination sub-module, if being less than for first average value and the absolute value of the difference of second average value
Or third threshold value corresponding equal to this kind blink characteristic parameter, then this kind blink characteristic parameter is determined as target blink feature
Parameter.
Optionally, the matching module includes：
Matched sub-block, for the body to be moved the corresponding target blink characteristic parameter group of detection chip by following formula
Actual value, the ideal value of this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body are matched：
Wherein, GiIndicate that i-th of body moves the actual value of the corresponding target blink characteristic parameter group of detection chip and the body moves
The matching degree of the ideal value of corresponding this group of target blink characteristic parameter of detection chip；
fi(t) indicate that i-th of body moves various targets blink features in the corresponding target blink characteristic parameter group of detection chip
The ideal value of parameter is formed by vector；
Fi(t) indicate that i-th of body moves various targets blink features in the corresponding target blink characteristic parameter group of detection chip
The actual value of parameter is formed by vector；
Cov(fi(t),Fi(t)) f is indicatedi(t) and Fi(t) covariance；
Indicate fi(t) mean square deviation；
Indicate Fi(t) mean square deviation；
Second determination sub-module, in the matching degree GiWhen more than four threshold values, the dynamic detection core of i-th of body is determined
Piece successful match.
Optionally, the 4th threshold value obtains in the following way：
Sampling is carried out at the same time to the signal for moving detection chip output for detecting multiple bodies of blink action in advance；
Sample point data of the detection chip within a period is moved according to each body respectively, determines the dynamic inspection of each body
Survey the experiment value of the corresponding a variety of blink characteristic parameters of chip；
Detection chip is moved for each body, the reality of the corresponding a variety of blink characteristic parameters of detection chip is moved according to the body
It tests value and calculates each body with the ideal value of a variety of blink characteristic parameters, by following formula and move detection chip corresponding the
Three average values：
Wherein, MiIndicate that i-th of body moves the corresponding third average value of detection chip；
P indicates the species number of blink characteristic parameter；
fi(tj) indicate that i-th of body moves the ideal value of the corresponding jth kind blink characteristic parameter of detection chip；
gi(tj) indicate that i-th of body moves the experiment value of the corresponding jth kind blink characteristic parameter of detection chip；
H=max [Mi], H indicates the 4th threshold value.
Optionally, described device further includes：
Third determining module, for when second determining module determines that blink action occurs for subject, determining each
The body moves the detection chip corresponding blink end time；And move the corresponding blink knot of detection chip obtaining each body
In the case of the beam time, the voltage value for triggering the sampled point that the first determining module one in office moves detection chip is more than first
When threshold value, sampling of the detection chip in the preset duration from the time of the sampled point corresponds to is moved according to each body respectively
Point data determines that each body moves the actual value of the corresponding a variety of blink characteristic parameters of detection chip.
According to the third aspect of the disclosure, a kind of computer readable storage medium is provided, computer program is stored thereon with,
The step of first aspect the method is realized when the program is executed by processor.
According to the fourth aspect of the disclosure, a kind of electronic equipment is provided, including：
Computer readable storage medium described in the third aspect；And
One or more processor, for executing the program in the computer readable storage medium.
In the above-mentioned technical solutions, when the voltage value that any body moves the sampled point of detection chip is more than first threshold, table
Show at this time there is to occur blink action, therefore, according to the sample point data in the preset duration from the moment, divides
The actual value that the corresponding a variety of blink characteristic parameters of detection chip Que Ding not be moved per individual, in order to the blink feature that will be determined
The actual value of parameter is matched with corresponding ideal value, determines the matching result of the dynamic detection chip per individual.Finally, according to more
The matching result of the dynamic detection chip of individual carries out comprehensive descision to whether subject occurs blink action, can effectively improve blink
The accuracy rate of motion detection.It is detected in addition, moving detection chip based on multiple bodies to whether subject occurs blink action, it can
Only to be matched to the partial routine during blink, so that it is determined that testing result, i.e., it can be true during blink
It makes and blink action occurs, to avoid can just detecting that blink action occurs after the completion of blink action as in the prior art
Delay phenomenon, ensure the real-time and accuracy of detection process.In addition, using the dynamic detection of single body in compared to the prior art
The complicated algorithm that chip carried out when the detection of blink action, in the disclosure can to avoid a large amount of calculating process,
To simplify the complexity of signal-data processing process, the time complexity of signal-data processing is reduced.Also, it can also reduce
To the memory of hardware and the high request of aspect of performance when implementation this method, applicability is more extensive.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is the flow chart of the blink motion detection method provided according to an embodiment of the present disclosure；
Fig. 2 is the flow chart of the blink motion detection method provided according to the another embodiment of the disclosure；
Fig. 3 A and Fig. 3 B are the side view and vertical view that multiple bodies move detection chip and subject positions relationship respectively；
Fig. 4 is the block diagram of the blink action detection device provided according to an embodiment of the present disclosure；
Fig. 5 is the block diagram of the blink action detection device provided according to the another embodiment of the disclosure；
Fig. 6 is the block diagram of screening module in the blink action detection device provided according to an embodiment of the present disclosure；
Fig. 7 is the block diagram of matching module in the blink action detection device provided according to an embodiment of the present disclosure；
Fig. 8 is the block diagram according to a kind of electronic equipment shown in an exemplary embodiment；
Fig. 9 is the block diagram according to a kind of electronic equipment shown in an exemplary embodiment.
Specific implementation mode
The specific implementation mode of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Shown in Fig. 1, for the flow chart of the blink motion detection method provided according to an embodiment of the present disclosure, such as scheme
Described in 1, the method includes：
In S11, the signal to moving detection chip output for detecting multiple bodies of blink action is carried out at the same time sampling.
Wherein, sampling is carried out at the same time to the signal for moving detection chip output for detecting multiple bodies of blink action, it can be with
Ensure that multiple body moves the time consistency of the sample point data of detection chip, to provide accurate data branch for subsequent detection
It holds.Illustratively, the sample mode can be according to a certain predetermined time interval to multiple bodies move detection chip output signal into
Row sampling.
In S12, when the voltage value that any body moves the sampled point of detection chip is more than first threshold, respectively according to each
Body moves sample point data of the detection chip in the preset duration from the time of the sampled point corresponds to, determines the dynamic detection per individual
The actual value of the corresponding a variety of blink characteristic parameters of chip.
Wherein, which obtains according to a large amount of experimental data.Specifically, in advance to the dynamic detection core of multiple bodies
The signal of piece output is carried out at the same time sampling.Hereinafter, by taking any body moves detection chip as an example, records the body and move the instant of detection chip
At the time of sample point data Temp (v, t), t are that sampled point corresponds to, v is that the body moves detection chip in the corresponding sampled point of t moment
Voltage value.Illustratively, when v (Temp) is continuously enlarged uninterruptedly with t, it is corresponding that record v (Temp) starts increased sampled point
Moment is T_begin, and the corresponding voltage values of moment T_begin are v (T_begin).Later, the dynamic inspection per individual is being obtained respectively
It surveys after the v (T_begin) of chip, minimum value therein is determined as first threshold.First threshold can indicate blinking
When eye movement is made, body moves the minimum value of the voltage value of detection chip output, then one in office moves the voltage of the sampled point of detection chip
When value is more than first threshold, then it represents that there is a possibility that blink action occurs at this time, it therefore, can be respectively according to dynamic per individual
Sample point data of the detection chip in the preset duration from the time of the sampled point corresponds to, determines whether subject blinks
Eye movement is made.Wherein, the preset duration is less than average single wink time, which can be by adopting in advance
A large amount of sample point datas that sample obtains determine.Illustratively, the preset duration can be the 1/2 of average single wink time.
Illustratively, for the dynamic detection chip of every individual, the blink obtained according to the sample point data in preset duration
Characteristic parameter may include following parameter：
v(T_begin)：The minimum value of voltage value in the voltage value increasing process of sampled point.
v(peak)：The maximum value of the voltage value of sampled point.
Vm：The acceleration when voltage value of sampled point increases.
Tr：The voltage value of sampled point increases to the time needed for v (peak) from v (T_begin).
V_minus：The difference of the voltage value of two neighboring sampled point, wherein there are multiple during determining the difference
When difference, take the maximum value in the multiple difference as the parameter value.
N_times：The number of sampled point.
In S13, for the dynamic detection chip of every individual, which is moved into the corresponding target blink characteristic parameter group of detection chip
Actual value, move with the body the blink ideal value of characteristic parameter of corresponding this group of target of detection chip and matched, wherein it is described
Target blink characteristic parameter group includes at least one of described a variety of blink characteristic parameters.
Wherein, the ideal value of target blink characteristic parameter is to ensure just under experimental conditions, without external interference and subject
In the case of normal physiological status, according to subject occur blink action when, body is moved detection chip output signal adopt
What sample and processing were obtained, therefore, when the body moves the actual value and the body of the corresponding target blink characteristic parameter group of detection chip
When moving the ideal value successful match of corresponding this group of target blink characteristic parameter of detection chip, expression is examined in the preset duration
Blink action may occur for person.
In one embodiment, the target blink characteristic parameter group is included in a variety of blink features ginseng determined in S12
Several whole blink characteristic parameters.
In another embodiment, as shown in Fig. 2, being directed to each body in S12 moves detection chip, by the dynamic detection core of the body
The actual value of the corresponding target blink characteristic parameter group of piece, this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body
Ideal value matched before, the method further includes：
In S21, according to the actual value of the corresponding a variety of blink characteristic parameters of the dynamic detection chip of every individual and per individual
The ideal value for moving the corresponding a variety of blink characteristic parameters of detection chip, screens a variety of blink characteristic parameters, every to obtain
The corresponding target blink characteristic parameter group of the dynamic detection chip of individual.
Illustratively, a variety of blink characteristic parameters can be screened in the following way：
For each blink characteristic parameter, the reality of corresponding this kind blink characteristic parameter of detection chip is moved according to multiple bodies
Actual value calculates the first average value of this kind blink characteristic parameter, illustratively, is calculated by the following formula this kind blink characteristic parameter
The first average value：
Wherein, EFjIndicate the first average value of jth kind blink characteristic parameter；
N indicates that body moves the total number of detection chip；
Fi(tj) indicate that i-th of body moves the actual value of the corresponding jth kind blink characteristic parameter of detection chip；
And this kind blink spy is calculated according to the ideal value of corresponding this kind blink characteristic parameter of the dynamic detection chip of multiple bodies
The second average value of parameter is levied, illustratively, is calculated by the following formula the second average value of this kind blink characteristic parameter：
Wherein, EfjIndicate the second average value of jth kind blink characteristic parameter；
N indicates that body moves the total number of detection chip；
fi(tj) indicate that i-th of body moves the ideal value of the corresponding jth kind blink characteristic parameter of detection chip；
If first average value and the absolute value of the difference of second average value are less than or equal to special with this kind blink
The corresponding third threshold value of parameter is levied, then this kind blink characteristic parameter is determined as target blink characteristic parameter.
Illustratively, body moves detection chip and shares 7, in the range of being respectively arranged at immediately ahead of subject's sight, such as by 7
Body moves detection chip and is set in front of subject's sight in the range of 100 °, and as shown in Fig. 3 A, Fig. 3 B, i.e. angle A is in Fig. 3 B
100°.Wherein, Fig. 3 A and Fig. 3 B are the side view and vertical view that multiple bodies move detection chip and subject positions relationship respectively.Show
Example ground, determined in S12 include per the dynamic corresponding a variety of blink characteristic parameters of detection chip of individual above-mentioned v (T_begin),
v(peak)、Vm、Tr、V_minus、N_times.Each blink characteristic parameter has its corresponding third threshold value, the third threshold value
For judging that this kind blink characteristic parameter is valid data or invalid data, determining that this kind blink characteristic parameter is invalid number
According to when, ignore this kind blink characteristic parameter.
Hereinafter, being illustrated by taking the characteristic parameter v (peak) that blinks as an example, the dynamic detection of 7 individuals determined in S12 is calculated
The average value of the actual value of the corresponding v of chip (peak), that is, the first average value of v (peak)；Calculate the dynamic detection chip of 7 individuals
The average value of the ideal value of corresponding v (peak), that is, the second average value of v (peak).V (peak) the first average value with
When the absolute value of the difference of second average value is less than or equal to v (peak) corresponding third threshold values, blink characteristic parameter v is indicated
(peak) actual value is valid data, therefore v (peak) is determined as target blink characteristic parameter.Illustratively, when the of Vm
When one average value and the absolute value of the difference of the second average value are more than Vm corresponding third threshold values, it may be determined that the blink feature is joined
Number Vm is invalid data, at this point, the blink characteristic parameter Vm is not as target blink characteristic parameter, that is, matched subsequent
Cheng Zhong, need not be using the actual value of blink characteristic parameter Vm as the data of blink motion detection.
Wherein, each corresponding third threshold value of blink characteristic parameter is according to a large amount of the adopting for obtaining the dynamic detection chip of body in advance
What sampling point data obtained.It illustratively, can be by the reality of each blink characteristic parameter obtained by a large amount of sample point datas
The average value of actual value and the absolute difference of the average value of the ideal value of this kind blink characteristic parameter are joined as this kind blink feature
The corresponding third threshold value of number.
In the above-mentioned technical solutions, in the reality for characteristic parameter group that the corresponding target of the dynamic detection chip of every individual is blinked
Before the step of value, the ideal value of this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body are matched, to more
Kind of blink characteristic parameter is screened, to obtain characteristic parameter group of blinking per the corresponding target of the dynamic detection chip of individual.By upper
Technical solution is stated, a variety of blink characteristic parameters are screened, it is ensured that the accuracy of the data during subsequent match is kept away
Exempt from influence of the invalid data to final result, the accuracy rate to improve blink motion detection provides data and supports.
Optionally, Fig. 1 is gone back to, in S13, for the dynamic detection chip of every individual, which is moved into the corresponding mesh of detection chip
The actual value of mark blink characteristic parameter group, moved with the body ideal value of detection chip corresponding this group of target blink characteristic parameter into
A kind of matched sample implementation of row is as follows, including：
The body is moved into the actual value of the corresponding target blink characteristic parameter group of detection chip by following formula, is moved with the body
The ideal value of corresponding this group of target blink characteristic parameter of detection chip is matched：
Wherein, GiIndicate that i-th of body moves the actual value of the corresponding target blink characteristic parameter group of detection chip and the body moves
The matching degree of the ideal value of corresponding this group of target blink characteristic parameter of detection chip；
fi(t) indicate that i-th of body moves various targets blink features in the corresponding target blink characteristic parameter group of detection chip
The ideal value of parameter is formed by vector；
Fi(t) indicate that i-th of body moves various targets blink features in the corresponding target blink characteristic parameter group of detection chip
The actual value of parameter is formed by vector；
Illustratively, the ideal value that i-th of body can be moved to the corresponding multiple targets blink characteristic parameters of detection chip is formed
Ideal value for each target blink characteristic parameter of a row vector (either column vector) is in the row vector (or column vector)
An element value.Wherein, the actual value of multiple targets blink characteristic parameters formed vector mode it is same as described above, and target
Blink characteristic parameter ideal value and actual value when forming vector, vectorial element corresponding target blink characteristic parameter it is suitable
Sequence is identical.
Cov(fi(t),Fi(t)) f is indicatedi(t) and Fi(t) covariance；
Indicate fi(t) mean square deviation；
Indicate Fi(t) mean square deviation.
Wherein, the computational methods of covariance and mean square deviation are common knowledge, and details are not described herein.
In the matching degree GiWhen more than four threshold values, determine that i-th of body moves detection chip successful match.Wherein, exist
When the matching degree is more than four threshold values, various target signature parameters in the target signature parameter group of the dynamic detection chip of the body are indicated
Actual value and the matching degree of corresponding ideal value it is larger, i.e., both similitude is higher, and the possibility of blink action occurs at this time
Property it is higher, determine that the body moves detection chip successful match.
Optionally, the 4th threshold value obtains in the following way：
Sampling is carried out at the same time to the signal for moving detection chip output for detecting multiple bodies of blink action in advance；
Sample point data of the detection chip within a period is moved according to each body respectively, determines the dynamic inspection of each body
The experiment value of the corresponding a variety of blink characteristic parameters of chip is surveyed, illustratively, the duration of the period can be 30s-60s, Ke Yibao
Card can acquire a large amount of sample point data within the period, to ensure the accuracy of the 4th threshold value；
Detection chip is moved for each body, the reality of the corresponding a variety of blink characteristic parameters of detection chip is moved according to the body
It tests value and calculates each body with the ideal value of a variety of blink characteristic parameters, by following formula and move detection chip corresponding the
Three average values：
Wherein, MiIndicate that i-th of body moves the corresponding third average value of detection chip；
P indicates the species number of blink characteristic parameter；
fi(tj) indicate that i-th of body moves the ideal value of the corresponding jth kind blink characteristic parameter of detection chip；
gi(tj) indicate that i-th of body moves the experiment value of the corresponding jth kind blink characteristic parameter of detection chip；
H=max [Mi], H indicates the 4th threshold value.
In the above-mentioned technical solutions, it is blinked according to various targets in the target blink characteristic parameter group of the dynamic detection chip of every individual
The actual value of eye characteristic parameter is matched with corresponding ideal value, can be to avoid to the dynamic inspection of every individual by the matching algorithm
It surveys chip to be calculated in each sample point data of preset duration, effectively reduces the calculation amount of data, reduce calculating process
Performance is lost, and promotes the efficiency of blink motion detection.
Fig. 1 is gone back to, in S14, the sum of the dynamic detection chip of body is accounted in the quantity of the dynamic detection chip of the body of successful match
When accounting is greater than or equal to second threshold, determine that blink action occurs for subject.
Illustratively, the second threshold can be 50%, i.e., body more than half move detection chip successful match when, determine by
Blink action occurs for inspection person.
In the above-mentioned technical solutions, when the voltage value that any body moves the sampled point of detection chip is more than first threshold, table
Show at this time there is to occur blink action, therefore, according to the sample point data in the preset duration from the moment, divides
The actual value that the corresponding a variety of blink characteristic parameters of detection chip Que Ding not be moved per individual, in order to the blink feature that will be determined
The actual value of parameter is matched with corresponding ideal value, determines the matching result of the dynamic detection chip per individual.Finally, according to more
The matching result of the dynamic detection chip of individual carries out comprehensive descision to whether subject occurs blink action, can effectively improve blink
The accuracy rate of motion detection.It is detected in addition, moving detection chip based on multiple bodies to whether subject occurs blink action, it can
Only to be matched to the partial routine during blink, so that it is determined that testing result, i.e., it can be true during blink
It makes and blink action occurs, to avoid can just detecting that blink action occurs after the completion of blink action as in the prior art
Delay phenomenon, ensure the real-time and accuracy of detection process.In addition, using the dynamic detection of single body in compared to the prior art
The complicated algorithm that chip carried out when blink motion detection, in the disclosure can to avoid a large amount of calculating process, from
And simplify the complexity of signal-data processing process, reduce the time complexity of signal-data processing.Also, reality can also be reduced
To the memory of hardware and the high request of aspect of performance when applying this method, applicability is more extensive.
Optionally, the method further includes：
When determining that blink action occurs for subject, at the end of determining that each body moves the corresponding blink of detection chip
Between；And it in the case where obtaining each body and moving detection chip corresponding blink end time, returns to when any
When the voltage value of the sampled point of the dynamic detection chip of body is more than first threshold, detection chip is moved according to each body respectively and certainly should
It is corresponding a variety of to determine that each body moves detection chip for the sample point data in preset duration from the time of sampled point corresponds to
The step of actual value of blink characteristic parameter.
Illustratively, for every dynamic detection chip of individual, from the time of determining that blink action occurs for subject, by first
The sampling instant that a voltage value starts the previous sampled point of increased sampled point is determined as the corresponding blink of the dynamic detection chip of the body
End time.
In the above-mentioned technical solutions, since the installation position of the dynamic detection chip of every individual is different, in different location
The blink end time that the dynamic detection chip of body is determined is also possible to difference, therefore corresponding obtaining the dynamic detection chip per individual
When the blink end time, determine that the action of this blink is completed, later, the signal for moving detection chip output to body again is examined
It surveys.Through the above technical solutions, determine subject occur blink action when, this blink action complete before, no longer into
Row matching process can reduce performance cost when being calculated to avoid unnecessary calculating process.Data can be reduced simultaneously
Amount of storage, so as to reduce the demand to memory.Furthermore it is also possible to shorten the detection time of blink action.
The disclosure also provides a kind of blink action detection device, as shown in figure 4, described device 10 includes：
Sampling module 100, for for detect blink action multiple bodies move detection chip output signal simultaneously into
Row sampling；
First determining module 200, when being more than first threshold for moving the voltage value of sampled point of detection chip when any body,
Sample point data of the detection chip in the preset duration from the time of the sampled point corresponds to is moved according to each body respectively,
Determine that each body moves the actual value of the corresponding a variety of blink characteristic parameters of detection chip；
The body is moved the corresponding target of detection chip and blinked by matching module 300 for moving detection chip for each body
The ideal value progress of the actual value of eye characteristic parameter group, this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body
Match, wherein the target blink characteristic parameter group includes at least one of described a variety of blink characteristic parameters；
Second determining module 400, the quantity for moving detection chip in the body of successful match account for body and move the total of detection chip
When several accountings is greater than or equal to second threshold, determine that blink action occurs for subject.
Optionally, as shown in figure 5, on the basis of Fig. 4, described device 10 further includes：
Screening module 500 moves detection chip for being directed to each body in the matching module 300, by the dynamic inspection of the body
Survey the actual value of the corresponding target blink characteristic parameter group of chip, this group of target blink feature corresponding with the dynamic detection chip of the body
Before the ideal value of parameter is matched, the corresponding a variety of blink characteristic parameters of detection chip are moved according to each body
Actual value and each body move the ideal value of the corresponding a variety of blink characteristic parameters of detection chip, to described a variety of
Blink characteristic parameter is screened, and the corresponding target blink characteristic parameter group of detection chip is moved to obtain each body.
Optionally, as shown in fig. 6, the screening module 500 includes：
Computational submodule 501, for for each blink characteristic parameter, moving detection chip according to the multiple body and corresponding to
This kind blink characteristic parameter calculated with actual values this kind blink characteristic parameter the first average value, and, according to the multiple
The ideal value of corresponding this kind blink characteristic parameter of the dynamic detection chip of body calculates the second average value of this kind blink characteristic parameter；
First determination sub-module 502, if the absolute value for first average value and the difference of second average value
The corresponding third threshold value of kind of eye characteristic parameter is blinked less than or equal to this, then this kind blink characteristic parameter is determined as target blink
Characteristic parameter.
Optionally, as shown in fig. 7, the matching module 300 includes：
Matched sub-block 301, for the body to be moved the corresponding target blink characteristic parameter of detection chip by following formula
The actual value of group, the ideal value of this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body are matched：
Wherein, GiIndicate that i-th of body moves the actual value of the corresponding target blink characteristic parameter group of detection chip and the body moves
The matching degree of the ideal value of corresponding this group of target blink characteristic parameter of detection chip；
fi(t) indicate that i-th of body moves various targets blink features in the corresponding target blink characteristic parameter group of detection chip
The ideal value of parameter is formed by vector；
Fi(t) indicate that i-th of body moves various targets blink features in the corresponding target blink characteristic parameter group of detection chip
The actual value of parameter is formed by vector；
Cov(fi(t),Fi(t)) f is indicatedi(t) and Fi(t) covariance；
Indicate fi(t) mean square deviation；
Indicate Fi(t) mean square deviation；
Second determination sub-module 302, in the matching degree GiWhen more than four threshold values, the dynamic detection core of i-th of body is determined
Piece successful match.
Optionally, the 4th threshold value obtains in the following way：
Sampling is carried out at the same time to the signal for moving detection chip output for detecting multiple bodies of blink action in advance；
Sample point data of the detection chip within a period is moved according to each body respectively, determines the dynamic inspection of each body
Survey the experiment value of the corresponding a variety of blink characteristic parameters of chip；
Detection chip is moved for each body, the reality of the corresponding a variety of blink characteristic parameters of detection chip is moved according to the body
It tests value and calculates each body with the ideal value of a variety of blink characteristic parameters, by following formula and move detection chip corresponding the
Three average values；
Wherein, MiIndicate that i-th of body moves the corresponding third average value of detection chip；
P indicates the species number of blink characteristic parameter；
fi(tj) indicate that i-th of body moves the ideal value of the corresponding jth kind blink characteristic parameter of detection chip；
gi(tj) indicate that i-th of body moves the experiment value of the corresponding jth kind blink characteristic parameter of detection chip；
H=max [Mi], H indicates the 4th threshold value.
Optionally, described device 10 further includes：
Third determining module, for when second determining module 400 determines that blink action occurs for subject, determining every
A body moves the detection chip corresponding blink end time；And move the corresponding blink of detection chip obtaining each body
In the case of end time, the voltage value for triggering the sampled point that 200 one in office of the first determining module moves detection chip is big
When first threshold, detection chip is moved in the preset duration from the time of the sampled point corresponds to according to each body respectively
Sample point data, determine that each body moves the actual value of the corresponding a variety of blink characteristic parameters of detection chip.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 8 is the block diagram according to a kind of electronic equipment 800 shown in an exemplary embodiment.As shown in figure 8, the electronics is set
Standby 800 may include：Processor 801, memory 802, multimedia component 803, input/output (I/O) interface 804, Yi Jitong
Believe component 805.
Wherein, processor 801 is used to control the integrated operation of the electronic equipment 800, and inspection is acted to complete above-mentioned blink
All or part of step in survey method.Memory 802 is for storing various types of data to support in the electronic equipment 800
Operation, these data for example may include the finger of any application program or method for being operated on the electronic equipment 800
Order and the relevant data of application program, such as contact data, the message of transmitting-receiving, picture, audio, video etc..The storage
Device 802 can be realized by any kind of volatibility or non-volatile memory device or combination thereof, such as static random
Access memory (Static Random Access Memory, abbreviation SRAM), electrically erasable programmable read-only memory
(Electrically Erasable Programmable Read-Only Memory, abbreviation EEPROM), erasable programmable
Read-only memory (Erasable Programmable Read-Only Memory, abbreviation EPROM), programmable read only memory
(Programmable Read-Only Memory, abbreviation PROM), and read-only memory (Read-Only Memory, referred to as
ROM), magnetic memory, flash memory, disk or CD.Multimedia component 803 may include screen and audio component.Wherein
Screen for example can be touch screen, and audio component is for output and/or input audio signal.For example, audio component may include
One microphone, microphone is for receiving external audio signal.The received audio signal can be further stored in storage
Device 802 is sent by communication component 805.Audio component further includes at least one loud speaker, is used for exports audio signal.I/O
Interface 804 provides interface between processor 801 and other interface modules, other above-mentioned interface modules can be keyboard, mouse,
Button etc..These buttons can be virtual push button or entity button.Communication component 805 is for the electronic equipment 800 and other
Wired or wireless communication is carried out between equipment.Wireless communication, such as Wi-Fi, bluetooth, near-field communication (Near Field
Communication, abbreviation NFC), 2G, 3G or 4G or they one or more of combination, therefore corresponding communication
Component 805 may include：Wi-Fi module, bluetooth module, NFC module.
In one exemplary embodiment, electronic equipment 800 can be by one or more application application-specific integrated circuit
(Application Specific Integrated Circuit, abbreviation ASIC), digital signal processor (Digital
Signal Processor, abbreviation DSP), digital signal processing appts (Digital Signal Processing Device,
Abbreviation DSPD), programmable logic device (Programmable Logic Device, abbreviation PLD), field programmable gate array
(Field Programmable Gate Array, abbreviation FPGA), controller, microcontroller, microprocessor or other electronics member
Part is realized, for executing above-mentioned blink motion detection method.
In a further exemplary embodiment, a kind of computer readable storage medium including program instruction, example are additionally provided
Such as include the memory 802 of program instruction, above procedure instruction can be executed by the processor 801 of electronic equipment 800 on to complete
The blink motion detection method stated.
Fig. 9 is the block diagram according to a kind of electronic equipment 900 shown in an exemplary embodiment.For example, electronic equipment 900 can
To be provided as a server.With reference to Fig. 9, electronic equipment 900 includes processor 922, and quantity can be one or more, with
And memory 932, for storing the computer program that can be executed by processor 922.The computer program stored in memory 932
May include it is one or more each correspond to one group of instruction module.In addition, processor 922 can be configured as
The computer program is executed, to execute above-mentioned blink motion detection method.
In addition, electronic equipment 900 can also include power supply module 926 and communication component 950, which can be with
It is configured as executing the power management of electronic equipment 900, which, which can be configured as, realizes electronic equipment 900
Communication, for example, wired or wireless communication.In addition, the electronic equipment 900 can also include input/output (I/O) interface 958.Electricity
Sub- equipment 900 can be operated based on the operating system for being stored in memory 932, such as Windows ServerTM, Mac OS
XTM, UnixTM, LinuxTM etc..
In a further exemplary embodiment, a kind of computer readable storage medium including program instruction, example are additionally provided
Such as include the memory 932 of program instruction, above procedure instruction can be executed by the processor 922 of electronic equipment 900 on to complete
The blink motion detection method stated.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of blink motion detection method, which is characterized in that the method includes：
Signal to moving detection chip output for detecting multiple bodies of blink action is carried out at the same time sampling；
When the voltage value that any body moves the sampled point of detection chip is more than first threshold, respectively according to the dynamic detection of each body
Sample point data of the chip in the preset duration from the time of the sampled point corresponds to determines that each body moves detection chip
The actual value of corresponding a variety of blink characteristic parameters；
Detection chip is moved for each body, which is moved to the reality of the corresponding target blink characteristic parameter group of detection chip
Value, the ideal value of this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body are matched, wherein the target is blinked
Eye characteristic parameter group includes at least one of described a variety of blink characteristic parameters；
The accounting for the sum that the quantity that detection chip is moved in the body of successful match accounts for the dynamic detection chip of body is greater than or equal to the second threshold
When value, determine that blink action occurs for subject.
2. according to the method described in claim 1, it is characterized in that, detection chip is moved for each body described, by this
Body moves the actual value of the corresponding target blink characteristic parameter group of detection chip, detection chip is moved with the body, and corresponding this group of target is blinked
Before the step of ideal value of eye characteristic parameter is matched, the method further includes：
The actual value of the corresponding a variety of blink characteristic parameters of detection chip and each body are moved according to each body
The ideal value for moving the corresponding a variety of blink characteristic parameters of detection chip, screens a variety of blink characteristic parameters,
The corresponding target blink characteristic parameter group of detection chip is moved to obtain each body.
3. according to the method described in claim 2, it is characterized in that, the basis each the body move the corresponding institute of detection chip
The actual value and each body for stating a variety of blink characteristic parameters move the corresponding a variety of blink characteristic parameters of detection chip
Ideal value, a variety of blink characteristic parameters are screened, including：
For each blink characteristic parameter, the reality of corresponding this kind blink characteristic parameter of detection chip is moved according to the multiple body
Actual value calculates the first average value of this kind blink characteristic parameter, and, this corresponding kind of detection chip is moved according to the multiple body
The ideal value of blink characteristic parameter calculates the second average value of this kind blink characteristic parameter；
If first average value and the absolute value of the difference of second average value are less than or equal to and this kind blink feature ginseng
This kind blink characteristic parameter is then determined as target blink characteristic parameter by the corresponding third threshold value of number.
4. method according to any one of claim 1-3, which is characterized in that described for the dynamic detection core of each body
Piece, by the body move the corresponding target of detection chip blink characteristic parameter group actual value, move with the body detection chip it is corresponding this
The ideal value of group target blink characteristic parameter is matched, including：
The body is moved into the actual value of the corresponding target blink characteristic parameter group of detection chip by following formula, moves detection with the body
The ideal value of corresponding this group of target blink characteristic parameter of chip is matched：
Wherein, GiIndicate that i-th of body moves the actual value and the dynamic detection core of the body of the corresponding target blink characteristic parameter group of detection chip
The matching degree of the ideal value of corresponding this group of target blink characteristic parameter of piece；
fi(t) indicate that i-th of body moves various target blink characteristic parameters in the corresponding target blink characteristic parameter group of detection chip
Ideal value is formed by vector；
Fi(t) indicate that i-th of body moves various target blink characteristic parameters in the corresponding target blink characteristic parameter group of detection chip
Actual value is formed by vector；
Cov(fi(t),Fi(t)) f is indicatedi(t) and Fi(t) covariance；
Indicate fi(t) mean square deviation；
Indicate Fi(t) mean square deviation；
In the matching degree GiWhen more than four threshold values, determine that i-th of body moves detection chip successful match.
5. according to the method described in claim 4, it is characterized in that, the 4th threshold value obtains in the following way：
Sampling is carried out at the same time to the signal for moving detection chip output for detecting multiple bodies of blink action in advance；
Sample point data of the detection chip within a period is moved according to each body respectively, determines the dynamic detection core of each body
The experiment value of the corresponding a variety of blink characteristic parameters of piece；
Detection chip is moved for each body, the experiment value of the corresponding a variety of blink characteristic parameters of detection chip is moved according to the body
Each body is calculated with the ideal value of a variety of blink characteristic parameters, by following formula, and to move the corresponding third of detection chip flat
Mean value：
Wherein, MiIndicate that i-th of body moves the corresponding third average value of detection chip；
P indicates the species number of blink characteristic parameter；
fi(tj) indicate that i-th of body moves the ideal value of the corresponding jth kind blink characteristic parameter of detection chip；
gi(tj) indicate that i-th of body moves the experiment value of the corresponding jth kind blink characteristic parameter of detection chip；
H=max [Mi], H indicates the 4th threshold value.
6. according to the method described in claim 1, it is characterized in that, the method further includes：
When determining that blink action occurs for subject, determine that each body moves the detection chip corresponding blink end time；And
In the case where obtaining each body and moving detection chip corresponding blink end time, returns to and examined when any body is dynamic
When surveying the voltage value of the sampled point of chip and being more than first threshold, detection chip is moved from the sampled point according to each body respectively
It is special to determine that each body moves the corresponding a variety of blinks of detection chip for the sample point data in preset duration from the time of corresponding
The step of levying the actual value of parameter.
7. a kind of blink action detection device, which is characterized in that described device includes：
Sampling module, for being carried out at the same time sampling to the signal for moving detection chip output for detecting multiple bodies of blink action；
First determining module, when being more than first threshold for moving the voltage value of sampled point of detection chip when any body, difference root
Sample point data of the detection chip in the preset duration from the time of the sampled point corresponds to is moved according to each body, is determined every
A body moves the actual value of the corresponding a variety of blink characteristic parameters of detection chip；
Matching module is used to move detection chip for each body, which is moved the corresponding target blink feature of detection chip
The actual value of parameter group, the ideal value of this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body are matched,
In, the target blink characteristic parameter group includes at least one of described a variety of blink characteristic parameters；
Second determining module, the quantity for moving detection chip in the body of successful match account for the accounting that body moves the sum of detection chip
When more than or equal to second threshold, determine that blink action occurs for subject.
8. device according to claim 7, which is characterized in that the matching module includes：
Matched sub-block, the reality for the body to be moved to the corresponding target blink characteristic parameter group of detection chip by following formula
Value, the ideal value of this group of target blink characteristic parameter corresponding with the dynamic detection chip of the body are matched：
Wherein, GiIndicate that i-th of body moves the actual value and the dynamic detection core of the body of the corresponding target blink characteristic parameter group of detection chip
The matching degree of the ideal value of corresponding this group of target blink characteristic parameter of piece；
fi(t) indicate that i-th of body moves various target blink characteristic parameters in the corresponding target blink characteristic parameter group of detection chip
Ideal value is formed by vector；
Fi(t) indicate that i-th of body moves various target blink characteristic parameters in the corresponding target blink characteristic parameter group of detection chip
Actual value is formed by vector；
Cov(fi(t),Fi(t)) f is indicatedi(t) and Fi(t) covariance；
Indicate fi(t) mean square deviation；
Indicate Fi(t) mean square deviation；
Second determination sub-module, in the matching degree GiWhen more than four threshold values, determine i-th of body move detection chip matching at
Work(.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is held by processor
The step of any one of claim 1-6 the methods are realized when row.
10. a kind of electronic equipment, which is characterized in that including：
Computer readable storage medium described in claim 9；And
One or more processor, for executing the program in the computer readable storage medium.
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