CN108209930A - A kind of movement of the foetus method of counting and device - Google Patents
A kind of movement of the foetus method of counting and device Download PDFInfo
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Abstract
The invention discloses a kind of movement of the foetus method of counting and device, method to include：Obtain the doubtful movement of the foetus recorded in default measurement period；According to the interval time of adjacent doubtful movement of the foetus, the movement of the foetus interval in default measurement period is calculated；According to movement of the foetus interval, effective movement of the foetus in doubtful movement of the foetus and effective movement of the foetus number are determined.The present invention presets the doubtful movement of the foetus occurred in measurement period by acquisition, more accurate movement of the foetus interval is determined according to the interval time of adjacent doubtful movement of the foetus, effective movement of the foetus in doubtful movement of the foetus is determined according to movement of the foetus interval, and the number of effective movement of the foetus, since the movement of the foetus interval is obtained according to doubtful movement of the foetus is counted, therefore with higher accuracy, accurate effective movement of the foetus can be obtained according to the movement of the foetus interval stats.
Description
Technical field
The present invention relates to mobile health field more particularly to a kind of movement of the foetus method of counting and device.
Background technology
Movement of the foetus is the important indicator of fetus safety, and generally since pregnant 28 weeks, movement of the foetus detection is just provided with clinical meaning.Tire
Dynamic normally to represent that fetal in utero is good, the reduction or disappearance of movement of the foetus are the marks of fetal anoxia or death, and movement of the foetus is drastically reduced
Or increase and prompt fetus acute anoxia simultaneously may be dead.When pregnancy-induced hypertension, prolonged pregnancy, fetus IUGR are when high risk pregnancies,
Placental function influences that reduction of the foetus movement can be caused before Fetal Heart Rate, and it is small that general movement of the foetus disappearance to fetal rhythm disappearance is 12 to 48
When.
There are two types of movement of the foetus monitoring means common at present：When hospital based on the measuring method of ultrasonic Doppler technique into
Row monitoring, second is that pregnant woman's subjective perception movement of the foetus at home and counting.For in the scene of house, pregnant woman self perceives and counts movement of the foetus
Most commonly seen, concrete operation method is：It is early, middle and late to take out under three hours quieter environment, comfortable posture is taken, most
It is to count movement of the foetus in one's waking hours in fetus well, fetus calculates a movement of the foetus from starting to move to stopping, but is difficult to since pregnant woman is subjective
Distinguish how a continuous movement of the foetus, therefore the action within 5 minutes can only all be considered a movement of the foetus, interval time 5 at last
It is moved again after minute and just calculates second of movement of the foetus.
But the above method is more complicated for artificially counting, thus have some application programs (APP) can assist user into
Row counts, as long as having action to click on counting in fetus within an hour, APP actually has with single time interval to calculate
The number of movement of the foetus is imitated, such as timing is carried out within 1 hour, user during movement of the foetus occurs and clicks movement of the foetus button, APP judges and upper one
Interval time between secondary movement of the foetus, then ignored this movement of the foetus if less than 5 minutes, effective movement of the foetus was then recorded as more than 5 minutes.But
It is to calculate the time interval of effective movement of the foetus there is no standard, even the method that doctor instructs in person is also not exclusively the same.It is common
Method be to recommend with 5 minutes as time interval, but the obstetrician having can recommend with 3 minutes as time interval, also a small number of
Doctor is directed to the situation of pregnant woman individual, recommends to calculate at various time intervals for time interval with 2 minutes or 1 minute
Effective movement of the foetus number has very big difference, causes floating up and down for movement of the foetus data larger, may influence pregnant woman herself and fetus is good for
The judgement of health, and whether be difficult to the movement of the foetus number for judging to measure accurate.
Invention content
The present invention provides a kind of movement of the foetus method of counting and devices, solve in house scene in the prior art, movement of the foetus meter
The problem of number is difficult, and count accuracy is poor.
One side according to the present invention provides a kind of movement of the foetus method of counting, including：
Obtain the doubtful movement of the foetus recorded in default measurement period；
According to the interval time of adjacent doubtful movement of the foetus, the movement of the foetus interval in default measurement period is calculated；
According to movement of the foetus interval, effective movement of the foetus in doubtful movement of the foetus and effective movement of the foetus number are determined.
Wherein, it according to the interval time of adjacent doubtful movement of the foetus, calculates the step of presetting the movement of the foetus interval in measurement period and wraps
It includes：
The interval time of adjacent doubtful movement of the foetus is clustered using clustering algorithm, obtains the movement of the foetus in default measurement period
Interval.
Wherein, the interval time of adjacent doubtful movement of the foetus is clustered using clustering algorithm, obtained in default measurement period
Movement of the foetus interval the step of include：
K are chosen from the interval time of adjacent doubtful movement of the foetus, the initial barycenter as K-means clustering algorithms；
According to the initial barycenter selected, the interval time of all adjacent doubtful movement of the foetus is clustered, obtains k class；
Calculating barycenter is recalculated from k class, and whether detects the difference for calculating barycenter and initial barycenter less than pre-
If threshold value；
If so, it determines to preset the movement of the foetus interval in measurement period according to barycenter is calculated；Otherwise, barycenter will be calculated to be determined as
New initial barycenter, and return according to the initial barycenter selected, the interval time of all adjacent doubtful movement of the foetus is clustered
The step of, until the new difference for calculating barycenter and initial barycenter recalculated from k class is less than predetermined threshold value.
In some embodiments, the interval time of k doubtful movement of the foetus can also be chosen by certain rule rather than be selected at random
It takes.For example, can by the interval time of movement of the foetus, approximation is divided into k groups by size, one is then randomly selected from every group, can also
It chooses in every group closest to middle number or average value.Wherein, rule of classification can not also be simply according to the size of time interval；Point
The quantity of group might be less that k, such as k/2 groups, and a certain number of values are then taken in each group.
Wherein, the step of determining the movement of the foetus interval in default measurement period according to calculating barycenter includes：
It is chosen in barycenter and the immediate movement of the foetus interval as in default measurement period in default movement of the foetus interval from calculating.
Wherein, according to movement of the foetus interval, the step of determining effective movement of the foetus in doubtful movement of the foetus and effective movement of the foetus number, includes：
Choose the effective movement of the foetus of conduct that interval time is more than movement of the foetus interval successively from doubtful movement of the foetus；
Effective movement of the foetus in the default measurement period of statistics, obtains effective movement of the foetus number.
Another aspect according to the present invention additionally provides a kind of movement of the foetus counting device, including：
Acquisition module, for obtaining the doubtful movement of the foetus recorded in default measurement period；
Computing module for the interval time according to adjacent doubtful movement of the foetus, calculates the movement of the foetus interval in default measurement period；
Processing module, for according to movement of the foetus interval, determining effective movement of the foetus in doubtful movement of the foetus and effective movement of the foetus number.
Wherein, computing module includes：
Computational submodule for being clustered using clustering algorithm to the interval time of adjacent doubtful movement of the foetus, is preset
Movement of the foetus interval in measurement period.
Wherein, computational submodule includes：
Selection unit, for choosing k from the interval time of adjacent doubtful movement of the foetus, as K-means clustering algorithms
Initial barycenter；
Cluster cell, for according to the initial barycenter selected, gathering to the interval time of all adjacent doubtful movement of the foetus
Class obtains k class；
Detection unit for recalculating calculating barycenter from k class, and detects the difference for calculating barycenter and initial barycenter
Whether value is less than predetermined threshold value；
Processing unit, for when the difference for calculating barycenter and initial barycenter is less than predetermined threshold value, barycenter to be true according to calculating
Surely the movement of the foetus interval in default measurement period；Otherwise, barycenter will be calculated and is determined as new initial barycenter, and returned to basis and select
Initial barycenter, the step of cluster to the interval time of all adjacent doubtful movement of the foetus, until recalculated from k class
The new difference for calculating barycenter and initial barycenter be less than predetermined threshold value.
In some embodiments, the interval time of k doubtful movement of the foetus can also be chosen by certain rule rather than be selected at random
It takes.
Wherein, processing unit includes：
Subelement is handled, for immediate as default measurement period from selection and default movement of the foetus interval in barycenter is calculated
Interior movement of the foetus interval.
Wherein, processing module includes：
Submodule is chosen, for choosing the effective tire of conduct that interval time is more than movement of the foetus interval successively from doubtful movement of the foetus
It is dynamic；
Statistic submodule for counting effective movement of the foetus in default measurement period, obtains effective movement of the foetus number.
The advantageous effect of the embodiment of the present invention is：The doubtful movement of the foetus occurred in measurement period is preset by acquisition, according to
The interval time of adjacent doubtful movement of the foetus determines more accurate movement of the foetus interval, is determined according to movement of the foetus interval effective in doubtful movement of the foetus
Movement of the foetus and the effectively number of movement of the foetus since the movement of the foetus interval is obtained according to doubtful movement of the foetus is counted, have higher
Accuracy can obtain accurate effective movement of the foetus according to the movement of the foetus interval stats.
Description of the drawings
Fig. 1 shows the flow charts of the embodiment one of the movement of the foetus method of counting of the present invention；
Fig. 2 represents the flow chart of the embodiment two of the movement of the foetus method of counting of the present invention；
Fig. 3 represents the realization flow chart of step 202 in Fig. 2；
Fig. 4 represents the module diagram of the movement of the foetus counting device of the present invention.
Specific embodiment
Exemplary embodiment of the present invention is more fully described below with reference to accompanying drawings.Although the present invention is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to be best understood from the present invention, and can be by the scope of the present invention on the contrary, providing these embodiments
Completely it is communicated to those skilled in the art.
Embodiment one
As shown in Figure 1, the embodiment provides a kind of movement of the foetus method of counting, following steps are specifically included：
Step 101：Obtain the doubtful movement of the foetus recorded in default measurement period.
Wherein, default measurement period can be default setting or by user-defined, in order to ensure to count
Accuracy, preset measurement period setting time cannot be too short, in order to ensure statistics timeliness, preset measurement period setting
Time also cannot be too long, the time of default measurement period is generally set as a hour to two hours, system can be met
The accuracy of meter, and can guarantee the timeliness of statistics.Doubtful movement of the foetus mentioned here refers to the movement of the foetus of user's subjective feeling, should
The not necessarily practical movement of the foetus of movement of the foetus.In default measurement period (such as 1 hour), user often experiences a movement of the foetus and clicks on one
Under, it can record all doubtful movement of the foetus that user experiences in 1 hour in this way.
Step 102：According to the interval time of adjacent doubtful movement of the foetus, the movement of the foetus interval in default measurement period is calculated.
Since the movement of the foetus of the fetus in period of gestation each stage is regular, according in default measurement period
Statistics doubtful movement of the foetus, the interval time of especially adjacent movement of the foetus doubtful twice, then by statistical algorithms can calculate compared with
For accurate movement of the foetus interval.Although that is, user's subjective feeling and record the not necessarily practical movement of the foetus of doubtful movement of the foetus,
But due to the regularity of movement of the foetus, the practical movement of the foetus in the doubtful movement of the foetus of record will be more than error movement of the foetus, therefore pass through statistics
Algorithm can be calculated in this time close to the movement of the foetus interval of practical movement of the foetus.
Step 103：According to the movement of the foetus interval, effective movement of the foetus in doubtful movement of the foetus and effective movement of the foetus number are determined.
Movement of the foetus interval obtained by calculation, it may be determined that it is full which has in the doubtful movement of the foetus recorded in default measurement period
Effective movement of the foetus at the foot movement of the foetus interval, and count the number of effective movement of the foetus.
The movement of the foetus method of counting of the embodiment of the present invention presets the doubtful movement of the foetus occurred in measurement period by acquisition, according to
The interval time of adjacent doubtful movement of the foetus determines more accurate movement of the foetus interval, is determined according to movement of the foetus interval effective in doubtful movement of the foetus
Movement of the foetus and the effectively number of movement of the foetus since the movement of the foetus interval is obtained according to doubtful movement of the foetus is counted, have higher
Accuracy can obtain accurate effective movement of the foetus according to the movement of the foetus interval stats, to provide accurate movement of the foetus number to the user, be convenient for
Judgement of the user to foetus health.
Embodiment two
The movement of the foetus method of counting of a pair of of present invention of above example is made that simple introduction, below the present embodiment will combine tool
It is described in further detail in body application scenarios.
Specifically, as shown in Fig. 2, the movement of the foetus method of counting of the embodiment of the present invention includes the following steps：
Step 201：Obtain the doubtful movement of the foetus recorded in default measurement period.
The time of default measurement period is generally set as a hour to two hours, the accurate of statistics can be met
Property, and can guarantee the timeliness of statistics.Doubtful movement of the foetus refers to the movement of the foetus of user's subjective feeling, and the movement of the foetus is not necessarily practical
Movement of the foetus.In default measurement period (such as 1 hour), user often experiences a movement of the foetus and clicks on, and i.e. recordable in this way 1 is small
When interior user all doubtful movement of the foetus for experiencing, it is assumed that in 1 hour, N+1 doubtful movement of the foetus of user record is adjacent to doubt twice
There is N number of, respectively t like the interval time of movement of the foetus1、t2、…、tn、…tN, wherein, n is the integer from 1 to N.
Step 202：The interval time of adjacent doubtful movement of the foetus is clustered using clustering algorithm, obtains the default statistics
Movement of the foetus interval in period.
The interval time of adjacent doubtful movement of the foetus is clustered using clustering algorithm, i.e., by N number of interval time t1、t2、…、
tn、…tNIt is clustered, obtains more accurately movement of the foetus interval.
Specifically, the step that step 202 can refer in Fig. 3 is realized：
Step 31：K are chosen from the interval time of adjacent doubtful movement of the foetus, the first prothyl as K-means clustering algorithms
The heart.
That is, from N number of interval time t1、t2、…、tn、…tNRandomly select the k first prothyl as K-means clustering algorithms
The heart, wherein, k is positive integer, and in order to ensure the accuracy of cluster, the value of k should not be too large, and the distance between different barycenter are general
It will not be too small.Under normal circumstances, k should be less than N/5, more preferably less than N/10.Assuming that choose two interval time c [1]=data
[1], c [2]=data [2] is used as initial barycenter, and k=2, data [1] to data [n] are N number of interval time.
Step 32：According to the initial barycenter selected, the interval time of all adjacent doubtful movement of the foetus is clustered, is obtained
K class.
Calculate N number of interval time t1、t2、…、tn、…tNIn, the N-k in addition to k interval time for being elected to be initial barycenter
The distance between other a interval times and initial barycenter, and be according to this grouped into the N-k other interval times respectively nearest
The class of initial barycenter, can be divided into k class by N number of interval time in this way.When being N number of interval for data [1] to data [n]
Between, respectively compared with c [1] and c [2], it is assumed that the difference of data [n] and c [1] is minimum, then by data [n] labeled as 1, it is assumed that
Data [n] is minimum with c [2] difference, then by data [n] labeled as 2.
Step 33：Calculating barycenter is recalculated from k class.
After obtaining k class, the interval time phase adduction in each class is in the number of interval time in class respectively, i.e.,
It can obtain the calculating barycenter of respective class.Based on the data [n] that all labels are, the barycenter of c [1] is recalculated, by all labels
Data [n] additions for 1 obtain one and value, and by this and are worth divided by the number of data [n] labeled as 1.Similarly c [2]
Centroid calculation mode as above, therefore does not repeat herein.
Step 34：Whether the difference that detection calculates barycenter and initial barycenter is less than predetermined threshold value.
Wherein, the setting of predetermined threshold value is typically small, after the calculating barycenter of each class is obtained, compare calculate barycenter with just
Whether less than predetermined threshold value, the difference for calculating barycenter and initial barycenter is smaller, illustrates that the class that cluster obtains is got over for the difference of the prothyl heart
Accurately, when the difference for calculating barycenter and initial barycenter is less than predetermined threshold value, step 35 is performed, otherwise, performs step 36.
Step 35：It determines to preset the movement of the foetus interval in measurement period according to barycenter is calculated.
According to center of the value for each class for calculating barycenter, although k class has been obtained by clustering algorithm, due to movement of the foetus
Regularity, in each class closest to practical movement of the foetus class in data amount check it is most.And the difference of front and rear barycenter twice compared with
It is small, illustrate that classification tends to be accurate, therefore the barycenter in k class can be counted closest to practical movement of the foetus interval time as presetting
Movement of the foetus interval in period.
Specifically, it is immediate as the movement of the foetus preset in measurement period from selection and default movement of the foetus interval in barycenter is calculated
Interval.
Wherein, the empirical value at movement of the foetus interval is divided between default movement of the foetus, is differed within generally 2~5 minutes, it is assumed that k=2, cluster
The obtained calculating barycenter of two classes is respectively 5s and 97s, then obviously 97s be closest to default movement of the foetus interval it is reasonable when
Between be spaced, therefore using 97s as the movement of the foetus interval in default measurement period.
Step 36：Barycenter will be calculated and be determined as new initial barycenter, and be back to step 32, until from k class again
The new difference for calculating barycenter and initial barycenter calculated is less than predetermined threshold value.
If comparing the difference for calculating barycenter and initial barycenter by step 34 equal to or more than predetermined threshold value, illustrate to cluster
Obtained class is inaccurate, the calculating barycenter that will be calculated at this moment is needed to be iterated cluster as new initial barycenter, directly
Difference to front and rear barycenter twice is less than predetermined threshold value, to obtain accurate class, and then obtains the accurate movement of the foetus time.
Step 203：Choose the effective movement of the foetus of conduct that interval time is more than movement of the foetus interval successively from doubtful movement of the foetus.
After the accurate movement of the foetus time is obtained, recalculate effective movement of the foetus in default timing statistics, wherein, using 97s as
For the movement of the foetus time, the interval time of front and rear movement of the foetus doubtful twice is then considered effective movement of the foetus more than or equal to 97s.Specifically
Ground, it is assumed that the first time doubtful movement of the foetus of record is effective movement of the foetus, is greater than or equal to when the interval time of second of doubtful movement of the foetus
Second of doubtful movement of the foetus is then determined as effective movement of the foetus by 97s；If the interval time of second of doubtful movement of the foetus is less than 97s, by it
It abandons, and continues to judge the doubtful movement of the foetus of third time and the interval time of effective movement of the foetus, be determined as effective movement of the foetus if more than 97s,
Otherwise it is abandoned.
Step 204：Effective movement of the foetus in the default measurement period of statistics, obtains effective movement of the foetus number.
The number of effective movement of the foetus determined in the default measurement period of statistics, to obtain accurately effectively movement of the foetus number, is convenient for
User is preferably judged and is monitored to foetus health.
Further, in order to further improve the accuracy of movement of the foetus method of counting, multiple movement of the foetus can be recorded and counted
Analysis, the distribution situation at history movement of the foetus interval carries out statistics as impact factor during each movement of the foetus is recorded, to correct between movement of the foetus
Every.Specifically, since the movement of the foetus interval that statistical analysis obtains under different periods in different phase is not quite similar, effective tire is being obtained
It is saved in historical data base after dynamic number, is stored as historical data.In this way in subsequent statistical, it can incite somebody to action current
The movement of the foetus interval being calculated in default measurement period is combined with the history movement of the foetus interval that priori statistical is calculated, with
Obtain more accurate movement of the foetus interval.Wherein, the impact factor of the nearer historical data of distance is maximum.
The movement of the foetus method of counting of the embodiment of the present invention presets the doubtful movement of the foetus occurred in measurement period by acquisition, according to
The interval time of adjacent doubtful movement of the foetus determines more accurate movement of the foetus interval, and doubtful movement of the foetus is determined according further to movement of the foetus interval
In effective movement of the foetus and effective movement of the foetus number, since the movement of the foetus interval is obtained according to doubtful movement of the foetus is counted, have
There is higher accuracy, accurate effective movement of the foetus can be obtained according to the movement of the foetus interval stats, in order to further improve the essence of statistics
True property can refer to the distribution situation at history movement of the foetus interval that historical statistics obtains and the movement of the foetus interval of current statistic be modified,
To provide accurate movement of the foetus number to the user, convenient for judgement of the user to foetus health.
Embodiment three
As shown in figure 4, the movement of the foetus counting device in the embodiment of the present invention, including：
Acquisition module 410, for obtaining the doubtful movement of the foetus recorded in default measurement period；
Computing module 420, for the interval time according to adjacent doubtful movement of the foetus, between the movement of the foetus in the default measurement period of calculating
Every；
Processing module 430, for according to movement of the foetus interval, determining effective movement of the foetus in doubtful movement of the foetus and effective movement of the foetus number.
Wherein, computing module 420 includes：
Computational submodule for being clustered using clustering algorithm to the interval time of adjacent doubtful movement of the foetus, is preset
Movement of the foetus interval in measurement period.
Wherein, computational submodule includes：
Selection unit, for choosing k from the interval time of adjacent doubtful movement of the foetus, as K-means clustering algorithms
Initial barycenter；
Cluster cell, for according to the initial barycenter selected, gathering to the interval time of all adjacent doubtful movement of the foetus
Class obtains k class；
Detection unit for recalculating calculating barycenter from k class, and detects the difference for calculating barycenter and initial barycenter
Whether value is less than predetermined threshold value；
Processing unit, for when the difference for calculating barycenter and initial barycenter is less than predetermined threshold value, barycenter to be true according to calculating
Surely the movement of the foetus interval in default measurement period；Otherwise, barycenter will be calculated and is determined as new initial barycenter, and returned to basis and select
Initial barycenter, the step of cluster to the interval time of all adjacent doubtful movement of the foetus, until recalculated from k class
The new difference for calculating barycenter and initial barycenter be less than predetermined threshold value.
Wherein, processing unit includes：
Subelement is handled, for immediate as default measurement period from selection and default movement of the foetus interval in barycenter is calculated
Interior movement of the foetus interval.
Wherein, processing module 430 includes：
Submodule is chosen, for choosing the effective tire of conduct that interval time is more than movement of the foetus interval successively from doubtful movement of the foetus
It is dynamic；
Statistic submodule for counting effective movement of the foetus in default measurement period, obtains effective movement of the foetus number.
It should be noted that the device is device corresponding with above-mentioned movement of the foetus method of counting, institute in above method embodiment
There is realization method suitable for the embodiment of the device, can also reach identical technique effect, the movement of the foetus of the embodiment of the present invention
Counting device by the doubtful movement of the foetus occurred in the default measurement period of acquisition, is determined according to the interval time of adjacent doubtful movement of the foetus
More accurate movement of the foetus interval, and then determine the number of the effective movement of the foetus and effective movement of the foetus in doubtful movement of the foetus, due to the movement of the foetus
Interval is obtained according to doubtful movement of the foetus is counted, therefore with higher accuracy, can obtain standard according to the movement of the foetus interval stats
True effective movement of the foetus, is judged and is monitored to foetus health based on accurate movement of the foetus number convenient for user.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, several improvements and modifications can also be made under the premise of principle of the present invention is not departed from, these improvements and modifications also exist
In protection scope of the present invention.
Claims (10)
1. a kind of movement of the foetus method of counting, which is characterized in that including：
Obtain the doubtful movement of the foetus recorded in default measurement period；
According to the interval time of adjacent doubtful movement of the foetus, the movement of the foetus interval in the default measurement period is calculated；
According to the movement of the foetus interval, effective movement of the foetus in the doubtful movement of the foetus and effective movement of the foetus number are determined.
2. movement of the foetus method of counting according to claim 1, which is characterized in that according to the interval time of adjacent doubtful movement of the foetus,
The step of calculating the movement of the foetus interval in the default measurement period includes：
The interval time of adjacent doubtful movement of the foetus is clustered using clustering algorithm, obtains the movement of the foetus in the default measurement period
Interval.
3. movement of the foetus method of counting according to claim 2, which is characterized in that using clustering algorithm to adjacent doubtful movement of the foetus
Interval time is clustered, and the step of obtaining the movement of the foetus interval in the default measurement period includes：
K are chosen from the interval time of adjacent doubtful movement of the foetus, the initial barycenter as K-means clustering algorithms；
According to the initial barycenter selected, the interval time of all adjacent doubtful movement of the foetus is clustered, obtains k class；
Calculating barycenter is recalculated from the k class, and detect the difference for calculating barycenter and the initial barycenter to be
It is no to be less than predetermined threshold value；
If so, the movement of the foetus interval in the default measurement period is determined according to the calculating barycenter；Otherwise, by the calculating matter
The heart is determined as new initial barycenter, and returns according to the initial barycenter selected, to the interval time of all adjacent doubtful movement of the foetus
The step of being clustered, until the new difference for calculating barycenter and the initial barycenter recalculated from the k class
Less than predetermined threshold value.
4. movement of the foetus method of counting according to claim 3, which is characterized in that determined according to the calculating barycenter described default
The step of movement of the foetus interval in measurement period, includes：
It is chosen between the immediate movement of the foetus as in the default measurement period in default movement of the foetus interval from the calculating barycenter
Every.
5. movement of the foetus method of counting according to claim 1, which is characterized in that according to the movement of the foetus interval, determine described doubt
Include like the step of effective movement of the foetus in movement of the foetus and effective movement of the foetus number：
Choose the effective movement of the foetus of conduct that interval time is more than the movement of the foetus interval successively from the doubtful movement of the foetus；
Effective movement of the foetus in the default measurement period of statistics, obtains effective movement of the foetus number.
6. a kind of movement of the foetus counting device, which is characterized in that including：
Acquisition module, for obtaining the doubtful movement of the foetus recorded in default measurement period；
Computing module for the interval time according to adjacent doubtful movement of the foetus, calculates the movement of the foetus interval in the default measurement period；
Processing module, for according to the movement of the foetus interval, determining effective movement of the foetus in the doubtful movement of the foetus and effective movement of the foetus number.
7. movement of the foetus counting device according to claim 6, which is characterized in that the computing module includes：
Computational submodule for being clustered using clustering algorithm to the interval time of adjacent doubtful movement of the foetus, is obtained described default
Movement of the foetus interval in measurement period.
8. movement of the foetus counting device according to claim 7, which is characterized in that the computational submodule includes：
Selection unit, for choosing k from the interval time of adjacent doubtful movement of the foetus, as the initial of K-means clustering algorithms
Barycenter；
Cluster cell, for according to the initial barycenter selected, clustering, obtaining to the interval time of all adjacent doubtful movement of the foetus
To k class；
Detection unit, for recalculating calculating barycenter from the k class, and detect the calculating barycenter with it is described initial
Whether the difference of barycenter is less than predetermined threshold value；
Processing unit, it is true according to the calculating barycenter for when the difference for calculating barycenter and initial barycenter is less than predetermined threshold value
Movement of the foetus interval in the fixed default measurement period；Otherwise, the calculating barycenter is determined as new initial barycenter, and return to root
According to the initial barycenter selected, the step of cluster to the interval time of all adjacent doubtful movement of the foetus, until from the k class
In the new difference for calculating barycenter and the initial barycenter that recalculates be less than predetermined threshold value.
9. movement of the foetus counting device according to claim 8, which is characterized in that the processing unit includes：
Subelement is handled, it is immediate as the default statistics with default movement of the foetus interval for being chosen from the calculating barycenter
Movement of the foetus interval in period.
10. movement of the foetus counting device according to claim 6, which is characterized in that the processing module includes：
Submodule is chosen, it is effective more than the conduct at the movement of the foetus interval for choosing interval time successively from the doubtful movement of the foetus
Movement of the foetus；
Statistic submodule for counting effective movement of the foetus in default measurement period, obtains effective movement of the foetus number.
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