CN109374014A - A kind of step-recording method, system and mobile device - Google Patents
A kind of step-recording method, system and mobile device Download PDFInfo
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Abstract
The invention discloses a kind of step-recording methods, using the principle of delay judgement, when there is motion state change, first temporarily it is seen as judging by accident, motion state before still changing at this time according to motion state calculates step number, motion state before carrying out delay judgement to subsequent N number of calculating cycle again and also changing according to motion state calculates step number, whether the motion state judging result of N number of calculating cycle is also that motion state changes after judgement, if it is, then think that motion state is strictly to change, it is compensated at this time according to predesigned compensation algorithm come the step number of the N+1 calculating cycle changed to the motion state in total step number；Otherwise, then it is assumed that motion state change before is erroneous judgement, then does not compensate to obtained total step number, this kind of mode improves the judgement precision of motion state and the accuracy of total step number.The invention also discloses a kind of step counting system and mobile devices, have beneficial effect identical with above-mentioned step counting algorithm.
Description
Technical field
The present invention relates to motion monitoring technical fields, more particularly to a kind of step-recording method, system and mobile device.
Background technique
With the improvement of living standards, people increasingly pay attention to physical exercise, more and more people are by running, walking
Or the mode ridden is taken exercises.For the exercise regime for detecting oneself, it is typically provided with based in existing mobile terminal
The accuracy of the step counting program of step, step counting program is directly related to the experience sense of user.Do not change in the motion state of user
When change, the accuracy of step counting program is usually relatively accurate, but when problem is that motion state during the motion changes,
How step number is calculated.The reason of problem occur can be from the perspective of classification of motions, and the motion state that we obtain changes
There are two types of possible: one is motion states really to be changed；Another kind is since our classification of motions algorithm can not
Movement is very correctly differentiated, it is possible that but reporting the case where erroneous judgement wrong report so as to cause practical do not change of motion state
The generation for the phenomenon that motion state changes out.There is presently no preferable solution party for this problem in the prior art
Case.
Summary of the invention
The object of the present invention is to provide a kind of step-recording method, system and mobile devices, improve the judgement essence of motion state
The accuracy of degree and total step number.
In order to solve the above technical problems, the present invention provides a kind of step-recording methods, comprising:
S11: determining the motion state of current calculation cycle, and, worked as according to the determination of the motion state of a upper calculating cycle
The total step number of preceding calculating cycle；
S12: judging whether the motion state of current calculation cycle is identical as the motion state of a upper calculating cycle, if
It is then to enter S13, otherwise, into S16；
S13: judge be in all motion state judging results of the top n calculating cycle on the basis of current calculation cycle
No includes that motion state is different as a result, if so, into S14, otherwise, into S16；
S14: week is calculated to current judging to occur the different calculating cycle of motion state since top n calculating cycle
Whether the identical number of motion state is not less than N in phase and all motion state judging results including current calculation cycle, such as
Fruit is, into S15, otherwise, is not less than 2 into S16, N；
S15: motion state and default benefit before being changed according to the motion state of current calculation cycle and its motion state
Repay algorithm in the total step number, motion state change N+1 calculating cycle calculate step number compensate, and will compensate after
The total step number total step number final as current calculation cycle；
S16: using the total step number that the total step number is final as current calculation cycle.
Preferably, it is described according to the motion state and its motion state of current calculation cycle change before motion state and
Predesigned compensation algorithm in the total step number, motion state change N+1 calculating cycle calculate step number compensate, and general
The compensated total step number total step number final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is static, the motion state of current calculation cycle
To ride；
Alternatively,
Motion state before the motion state of current calculation cycle changes is to ride, and the motion state of current calculation cycle is
It is static；
Then in the total step number, the step number that the N+1 calculating cycle that motion state changes calculates be not processed, and it is direct
Using the total step number that the total step number is final as current calculation cycle.
Preferably, it is described according to the motion state and its motion state of current calculation cycle change before motion state and
Predesigned compensation algorithm in the total step number, motion state change N+1 calculating cycle calculate step number compensate, and general
The compensated total step number total step number final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is to walk, the motion state of current calculation cycle
For running；
Alternatively,
Motion state before the motion state of current calculation cycle changes is running, and the motion state of current calculation cycle is
On foot；
Then in the total step number, the step number that the N+1 calculating cycle that motion state changes calculates be not processed, and it is direct
Using the total step number that the total step number is final as current calculation cycle.
Preferably, it is described according to the motion state and its motion state of current calculation cycle change before motion state and
Predesigned compensation algorithm in the total step number, motion state change N+1 calculating cycle calculate step number compensate, and general
The compensated total step number total step number final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is static or rides, current calculation cycle
Motion state is to walk or run；
Then determine the sum of the step number of current calculation cycle and its N number of calculating cycle before；
It carries out the sum of the total step number and described step number to be added processing, and will add up the sum obtained after processing as current
The final total step number of calculating cycle.
Preferably, the sum of the step number of the determining current calculation cycle and its N number of calculating cycle before, comprising:
Obtain all groups of step counting acceleration informations of current calculation cycle and its N number of calculating cycle before；
Current calculation cycle and its N number of meter before are determined according to default step counting principle and all groups of step counting acceleration informations
Calculate the sum of the step number in period；
The default step counting principle are as follows: in the amplitude of wave crest acceleration and wave crest acceleration described in distance is nearest on the time
When difference between the amplitude of trough acceleration is greater than vertical threshold value, adds a step, otherwise, step is not added.
Preferably, it is described according to the motion state and its motion state of current calculation cycle change before motion state and
Predesigned compensation algorithm in the total step number, motion state change N+1 calculating cycle calculate step number compensate, and general
The compensated total step number total step number final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is to walk or run, current calculation cycle
Motion state is static or rides；
Then carry out the total step number and the sum of current calculation cycle and its step number of N number of calculating cycle before to make the difference place
Reason, and the total step number that the difference obtained after making the difference is final as current calculation cycle.
Preferably, the motion state of current calculation cycle is determined, and, it is determined according to the motion state of a upper calculating cycle
The total step number of current calculation cycle, comprising:
Determine the motion state acceleration information and step counting acceleration information of current calculation cycle, the motion state accelerates
Degree is according to the step counting acceleration information for including current calculation cycle and the meter of M calculating cycle before the current calculation cycle
Walk acceleration information, wherein 2≤N < M；
The motion state of current calculation cycle is determined according to the motion state acceleration information；
It in the motion state of a upper calculating cycle is static or when riding, it is determined that the step number of current calculation cycle
It is zero, and directly using the total step number of a upper calculating cycle as the total step number of current calculation cycle；
When the motion state of a upper calculating cycle is to walk or run, then according to the step counting of current calculation cycle
Acceleration information determines the step number of current calculation cycle, and by the total step number of the step number of current calculation cycle and a upper calculating cycle
Addition processing is carried out, and will add up total step number of the sum for handling and obtaining as current calculation cycle.
Preferably, when carrying out step counting using default principle, wherein the default step counting principle are as follows: in wave crest acceleration
Amplitude and time upper distance described in the nearest trough acceleration of wave crest acceleration amplitude between difference be greater than vertical threshold value
When, add a step, otherwise, step is not added；
Before the step counting acceleration information according to current calculation cycle determines the step number of current calculation cycle, further includes:
If there are also untreated meters after the last one wave crest acceleration of the step counting acceleration information of a upper calculating cycle
Acceleration information is walked, then the step counting acceleration information after the last one wave crest acceleration is also used as to the meter of current calculation cycle
Walk acceleration information.
In order to solve the above technical problems, the present invention also provides a kind of step counting systems, comprising:
Determination unit, for determining the motion state of current calculation cycle, and, according to the movement shape of a upper calculating cycle
State determines the total step number of current calculation cycle；
First judging unit, for judging that the motion state of motion state and a upper calculating cycle of current calculation cycle is
It is no identical, if it is, otherwise triggering second judgment unit triggers the second total step number determination unit；
The second judgment unit, for judging all fortune of the top n calculating cycle on the basis of current calculation cycle
It whether include that motion state is different in dynamic state judging result as a result, if so, otherwise triggering third judging unit touches
Send out the second total step number determination unit described；
The third judging unit, for judging occur motion state different calculating week from top n calculating cycle
It is identical that phase starts motion state in all motion state judging results to current calculation cycle and including current calculation cycle
Whether number is not less than N, if so, otherwise the first total step number determination unit of triggering triggers second total step number and determines list
Member, N are not less than 2；
The first total step number determination unit, for being changed according to the motion state and its motion state of current calculation cycle
Preceding motion state and predesigned compensation algorithm in the total step number, motion state change N+1 calculating cycle calculating
Step number compensates, and the total step number that compensated total step number is final as current calculation cycle；
The second total step number determination unit, for the total step number that the total step number is final as current calculation cycle.
In order to solve the above technical problems, the present invention also provides a kind of mobile devices, comprising:
Accelerometer, for acquiring step counting acceleration information；
Memory, for storing computer program；
Processor, the step of step-recording method as described above is realized when for executing the computer program.
The present invention provides a kind of step-recording methods, using the principle of delay judgement, when there is motion state change, first
It temporarily is seen as judging by accident, the motion state before still changing according to motion state at this time calculates step number, then to subsequent N number of
Calculating cycle carries out delay judgement and motion state before also changing according to motion state to calculate step number, N number of after judgement
Whether the motion state judging result of calculating cycle is also that motion state changes, if it is, thinking that motion state is strictly
Change, at this time according to predesigned compensation algorithm come in total step number motion state change N+1 calculating cycle step number into
Row compensation；Otherwise, then it is assumed that motion state change before is erroneous judgement, then does not compensate to obtained total step number, this kind of side
Formula improves the judgement precision of motion state and the accuracy of total step number.
The present invention also provides a kind of step counting system and mobile devices, have identical with above-mentioned step counting algorithm beneficial to effect
Fruit.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of step-recording method provided by the invention；
Fig. 2 is a kind of schematic diagram of the step counting acceleration information changed over time provided by the invention；
Fig. 3 is a kind of schematic diagram of the step counting acceleration information of determining current calculation cycle provided by the invention；
Fig. 4 is a kind of schematic diagram of step-recording method provided by the invention；
Fig. 5 is a kind of structural schematic diagram of step counting system provided by the invention；
Fig. 6 is a kind of structural schematic diagram of mobile device provided by the invention.
Specific embodiment
Core of the invention is to provide a kind of step-recording method, system and mobile device, improves the judgement essence of motion state
The accuracy of degree and total step number.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Before introducing the present embodiment, first the thinking of the application is illustrated:
The principle that the application is judged using delay, when there is motion state change (it is to be understood that being calculated at current
The motion state in period and the motion state of a upper calculating cycle (illustrate, also by a upper calculating cycle here below for convenience
Referred to as target calculating cycle) different), it first is temporarily seen as judging by accident, the movement before still changing according to motion state at this time
State (namely motion state of target calculating cycle) calculates step number, then subsequent N number of calculating cycle to current calculation cycle
Motion state (namely motion state of target calculating cycle) before carrying out delay judgement and also changing according to motion state
Step number is calculated, whether the motion state judging result of N number of calculating cycle is also that motion state changes (namely rear N after judgement
Whether the motion state of a calculating cycle is different from the motion state of target calculating cycle, or is understood as rear N number of calculating week
Whether the motion state of phase is identical as the motion state of current calculation cycle), if it is, thinking that motion state is strictly to change
Become, is carried out at this time according to predesigned compensation algorithm come the step number of the N+1 calculating cycle changed to the motion state in total step number
Compensation；Otherwise, then it is assumed that motion state change before is erroneous judgement, then does not compensate to obtained total step number.
Fig. 1 is please referred to, Fig. 1 is a kind of structural schematic diagram of step-recording method provided by the invention, this method comprises:
S11: determining the motion state of current calculation cycle, and, worked as according to the determination of the motion state of a upper calculating cycle
The total step number of preceding calculating cycle；
S12: judging whether the motion state of current calculation cycle is identical as the motion state of a upper calculating cycle, if
It is then to enter S13, otherwise, into S16；
S13: judge be in all motion state judging results of the top n calculating cycle on the basis of current calculation cycle
No includes that motion state is different as a result, if so, into S14, otherwise, into S16；
S14: week is calculated to current judging to occur the different calculating cycle of motion state since top n calculating cycle
Whether the identical number of motion state is not less than N in phase and all motion state judging results including current calculation cycle, such as
Fruit is, into S15, otherwise, is not less than 2 into S16, N；
S15: motion state and default benefit before being changed according to the motion state of current calculation cycle and its motion state
Repay algorithm in total step number, motion state change N+1 calculating cycle calculate step number compensate, and will it is compensated always
The step number total step number final as current calculation cycle；
S16: using the total step number that total step number is final as current calculation cycle.
Specifically, in order to judge whether motion state changes, current calculation cycle is first obtained here
Motion state.And regardless of whether the motion state of current calculation cycle changes, according to the movement shape of a upper calculating cycle
The step number of current calculation cycle and the total step number of a upper calculating cycle are carried out phase to obtain the step number of current calculation cycle by state
Add, obtains the total step number of current calculation cycle.Since whether motion state of the rear extended meeting to current calculation cycle really changes
Change is judged, is if it is compensated to the total step number of current calculation cycle, otherwise, is then illustrated that the step number is correct.
It is for example static or when riding in some motion states it should be noted that step number is related with motion state, step number
It is zero；When some motion states for example walk or run, step number is not zero, and can be calculated at this time according to exercise data and step counting
Method calculates step number.
It specifically, when carrying out motion state judgement is judged the motion state of each adjacent two calculating cycle,
Therefore, when the motion state of current calculation cycle is identical as the motion state of a upper calculating cycle, there are two types of may, one is
This time judgement is wrapped in the delay deterministic process after there is state change namely in its top n motion state judging result
The different situation of motion state is included, does not have really to change (this kind of situation is most common) one is motion state.It needs to illustrate
It is that N here is that the pre-set how many a calculating cycles of delay judge with the calculating cycle number in the final motion state of determination,
N is not less than 2, but N will not obtain too big, be that (such as step counting adds according to the exercise data of L calculating cycle in motion state
Speed data) obtain when, N be less than L.
In order to distinguish above-mentioned two situations, the application will continue to judge on the basis of current calculation cycle (not wrap
Include current calculation cycle) top n calculating cycle all motion state judging results in whether include motion state it is not identical
As a result, if it is, illustrate the motion state of current calculation cycle judge fruit be in occur state change after delay sentence
During disconnected.Also needing to judge that this time judges whether below is the continuous n-th after motion state changes for the first time
It is identical as a result, specifically to obtain motion state, it here can be by judging motion state occur not from top n calculating cycle
Identical calculating cycle starts to transport in all motion state judging results to current calculation cycle and including current calculation cycle
Whether the dynamic identical number of state is not less than N to realize, if it is, illustrate that motion state is changed really, but by
The step number of the N+1 calculating cycle after motion state change is all the motion state before being changed according to motion state to calculate step
It is several, therefore, N+1 calculating cycle after needing to change motion state at this time (namely current calculation cycle and its later
N number of calculating cycle of delay judgement) obtained step number compensates.Otherwise, then temporarily still regard erroneous judgement, and direct total step number as
The total step number final as current calculation cycle finally determines to move by the motion result judgement of subsequent delay calculating cycle
Whether state really changes.
If the motion state of current calculation cycle is identical as the motion state of a upper calculating cycle, but currently to calculate
It does not include fortune in all motion state judging results of the top n calculating cycle of (not including current calculation cycle) on the basis of period
Dynamic state is different as a result, then illustrate that motion state does not change at this time, then directly obtains current calculation cycle total
The step number total step number final as current calculation cycle.
If the motion state of current calculation cycle is not identical as the motion state of a upper calculating cycle, temporarily regard as
Erroneous judgement, and the directly total step number final as current calculation cycle using total step number.This is determined by subsequent delay judgement come final
It is secondary to judge whether it is erroneous judgement, namely determine whether motion state really changes.
Specifically, the design principle of predesigned compensation algorithm here are as follows: the step number needs that preceding N+1 calculating cycle is let it pass more
It subtracts；The step number needs that preceding N+1 calculating cycle is let it pass less add；Although motion state is different but calculation is identical,
Total step number is constant.
It should also be noted that, the application does not limit the specific value of calculating cycle particularly, such as can be
1s determines according to the actual situation.
For convenience of understanding, several examples are set forth below to be described to the application:
Different working conditions is indicated with 0 and 1 respectively, and N takes 3, and the motion state of adjacent 7 calculating cycles is respectively as follows:
1 motion state analytical table of table
Two neighboring calculating cycle carries out motion state comparison, here the fortune of the calculating cycle before setup algorithm cycle T 1
Dynamic state is also for 0, then:
When current calculation cycle is T3, the motion state judging result of T3 be it is identical, then directly using total step number as working as
(step number of current calculation cycle is counted in such a way that motion mode is 0 to the final total step number of preceding calculating cycle at this time
Step)；
When current calculation cycle is T4, the motion state judging result of T4 be it is identical, first 3 on the basis of by T4 are counted
Calculating includes the different result of motion state (T3) in all motion state judging results in period (T1, T2, T3), but from
Occur the different calculating cycle of motion state in top n calculating cycle and starts (T3) to current calculation cycle and including currently counting
The identical number of motion state (1 time) in all motion state judging results of period (T4) is calculated therefore, still to see at this time less than 3
Work is erroneous judgement, and using the total step number total step number final as current calculation cycle, (step number of current calculation cycle is according to fortune at this time
The mode that flowing mode is 0 carries out step counting)；
When current calculation cycle is T5, the motion state judging result of T5 be it is identical, first 3 on the basis of by T5 are counted
Calculating includes the different result of motion state (T3) in all motion state judging results in period (T2, T3, T4), but from
Occur the different calculating cycle of motion state in top n calculating cycle and starts (T3) to current calculation cycle and including currently counting
The identical number of motion state (2 times) in all motion state judging results of period (T5) is calculated therefore, still to see at this time less than 3
Work is erroneous judgement, and using the total step number total step number final as current calculation cycle, (step number of current calculation cycle is according to fortune at this time
The mode that flowing mode is 0 carries out step counting)；
When current calculation cycle is T6, the motion state judging result of T6 be it is identical, first 3 on the basis of by T6 are counted
Calculating in all motion state judging results in period (T3, T4, T5) includes the different result of motion state (T3), from preceding N
Occur the different calculating cycle of motion state in a calculating cycle and starts (T3) to current calculation cycle and including currently calculating
In all motion state judging results in period (T6) the identical number of motion state (3 times) be not less than 3, accordingly, it is determined that movement
State is strictly to change, the movement shape before being changed at this time according to the motion state of current calculation cycle (1) and its motion state
State (0) and predesigned compensation algorithm in total step number, N+1 calculating cycle (T3, T4, the T5, T6) meter that motion state changes
The step number of calculation compensates, and the total step number that compensated total step number is final as current calculation cycle.
When current calculation cycle is T7, the motion state judging result of T7 be it is identical, first 3 on the basis of by T7 are counted
Calculating in all motion state judging results in period (T4, T5, T6) does not include that motion state is different as a result, then recognizing at this time
Do not change for motion state, and since the motion state of the motion state of current calculation cycle and a upper calculating cycle is identical
, therefore directly using the total step number total step number final as current calculation cycle, (step number of current calculation cycle is at this time at this time
Step counting is carried out in such a way that motion mode is 1).
It should be noted that if in the above process, motion state from T4 or T5 or T6 by 1 become 0 or its
He is not 1 motion state, then it is assumed that is strictly the erroneous judgement of motion state classification, but in view of the only step counting of T4 and T5 at this time
(by taking T5 becomes 0 as an example) is wrong, caused step number error very little (calculating cycle is generally very short, usually 1s), in order to improve
Processing real-time just still that the total step number of current calculation cycle is final as current calculation cycle total step number here, is not mended
It repays.Certainly, the step counting to T4 and T5 can also be gone to compensate here, the application does not limit particularly herein.
To sum up, the application uses the principle of delay judgement, when there is motion state change, is first temporarily seen as
Erroneous judgement, the motion state before still changing at this time according to motion state is to calculate step number, then prolongs to subsequent N number of calculating cycle
When judge and motion state before also changing according to motion state calculates step number, the movement of N number of calculating cycle after judgement
State judging result whether be also motion state change, if it is, think motion state be strictly change, at this time according to
Predesigned compensation algorithm compensates come the step number of the N+1 calculating cycle changed to the motion state in total step number；Otherwise, then recognize
It is erroneous judgement for motion state change before, then obtained total step number is not compensated, this kind of mode improves on the whole
The judgement precision of motion state and the accuracy of total step number.
On the basis of the above embodiments:
A kind of fortune as optionally embodiment, before being changed according to the motion state of current calculation cycle and its motion state
Dynamic state and predesigned compensation algorithm in total step number, the step number for the N+1 calculating cycle calculating that motion state changes mends
It repays, and the total step number that compensated total step number is final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is static, the motion state of current calculation cycle
To ride；
Alternatively,
Motion state before the motion state of current calculation cycle changes is to ride, and the motion state of current calculation cycle is
It is static；
Then in total step number, the step number for the N+1 calculating cycle calculating that motion state changes be not processed, and directly will be total
The step number total step number final as current calculation cycle.
Specifically, motion state include need the running of step counting and walk, and, do not need the static of step counting and to ride, because
This, if current calculation cycle motion state change before motion state be it is static/ride, the motion state of current calculation cycle
Correspondingly for ride/it is static when, due to front and back, both different motion states do not need step counting, can will at this time
The step counting mode of both motion states be understood as be it is the same, therefore, there is no need to in total step number, motion state change N+
The step number that 1 calculating cycle calculates processes, but the directly total step number final as current calculation cycle using total step number.It can
See, the total step number of current calculation cycle can be accurately obtained by this kind of compensation way.
A kind of fortune as optionally embodiment, before being changed according to the motion state of current calculation cycle and its motion state
Dynamic state and predesigned compensation algorithm in total step number, the step number for the N+1 calculating cycle calculating that motion state changes mends
It repays, and the total step number that compensated total step number is final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is to walk, the motion state of current calculation cycle
For running；
Alternatively,
Motion state before the motion state of current calculation cycle changes is running, and the motion state of current calculation cycle is
On foot；
Then in total step number, the step number for the N+1 calculating cycle calculating that motion state changes be not processed, and directly will be total
The step number total step number final as current calculation cycle.
Similar with the principle of above-described embodiment, running and walking is required to step counting, namely both motion states at this time
Step counting mode be it is the same, therefore, if current calculation cycle motion state change before motion state be walk/running,
The motion state of current calculation cycle correspondingly be running/walk when, do not need in total step number, motion state change N+1
The step number that a calculating cycle calculates processes, but the directly total step number final as current calculation cycle using total step number.As it can be seen that
The total step number of current calculation cycle can be accurately obtained by this kind of compensation way.
A kind of fortune as optionally embodiment, before being changed according to the motion state of current calculation cycle and its motion state
Dynamic state and predesigned compensation algorithm in total step number, the step number for the N+1 calculating cycle calculating that motion state changes mends
It repays, and the total step number that compensated total step number is final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is static or rides, current calculation cycle
Motion state is to walk or run；
Then determine the sum of the step number of current calculation cycle and its N number of calculating cycle before；
It carries out the sum of total step number and step number to be added processing, and will add up the sum obtained after processing as current calculation cycle
Final total step number.
Specifically, if current calculation cycle motion state change before motion state be do not need step counting (it is static or
Ride), the motion state of current calculation cycle is to need step counting (on foot or running), then due to current calculation cycle and
It is step number to be calculated in the way of not needing step counting, namely change according to motion state before N number of calculating cycle before it
Motion state before change is come if calculating, the step number of current calculation cycle and its N number of calculating cycle before is zero, to make
Current calculation cycle and its N number of calculating cycle before have been calculated in the total step number that is calculated of current calculation cycle less during
Step number, therefore, it is necessary to first determine the sum of the step number of current calculation cycle and its N number of calculating cycle before, then by total step number
It carries out being added processing with the sum of step number, and will add up the sum obtained after processing the total step number final as current calculation cycle.It can
See, the total step number of current calculation cycle can be accurately obtained by this kind of compensation way.
As a kind of optionally embodiment, the sum of the step number of current calculation cycle and its N number of calculating cycle before is determined,
Include:
Obtain all groups of step counting acceleration informations of current calculation cycle and its N number of calculating cycle before；
Current calculation cycle and its N number of meter before are determined according to default step counting principle and all groups of step counting acceleration informations
Calculate the sum of the step number in period；
Default step counting principle are as follows: accelerate in the amplitude of wave crest acceleration and trough nearest apart from wave crest acceleration on the time
When difference between the amplitude of degree is greater than vertical threshold value, adds a step, otherwise, step is not added.
Specifically, referring to figure 2., Fig. 2 is a kind of original of the step counting acceleration information changed over time provided by the invention
Reason figure, wherein X-axis is the time, and Y-axis is the amplitude of step counting acceleration.
Default step counting principle provided in this embodiment specifically: the record of each step sees wave using wave crest acceleration as standard
Whether the difference of the amplitude of peak acceleration and the amplitude of the nearest trough acceleration of amplitude from the wave crest acceleration is greater than vertical threshold
Value, if it is, plus a step step otherwise is not added.
Based on this, according to all groups of step countings of default step counting principle, current calculation cycle and its N number of calculating cycle before
Acceleration information can obtain the sum of the step number of current calculation cycle and its N number of calculating cycle before.Such as the acceleration in Fig. 2
Degree evidence is three steps altogether.
The application determines according to the actual situation for specifically which kind of step-recording method being used not limit particularly.
A kind of fortune as optionally embodiment, before being changed according to the motion state of current calculation cycle and its motion state
Dynamic state and predesigned compensation algorithm in total step number, the step number for the N+1 calculating cycle calculating that motion state changes mends
It repays, and the total step number that compensated total step number is final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is to walk or run, current calculation cycle
Motion state is static or rides；
Then the sum of the step number of N number of calculating cycle by total step number with current calculation cycle and its before makes the difference,
And the total step number that the difference obtained after making the difference is final as current calculation cycle.
Specifically, if the motion state before the motion state of current calculation cycle changes is that step counting is needed (on foot or to run
Step), the motion state of current calculation cycle is not need step counting (static or ride), then due to current calculation cycle and
It is the mode of step counting as required to calculate step number before N number of calculating cycle before it, so that current calculation cycle
The step numbers calculated during current calculation cycle and its N number of calculating cycle before in the total step number being calculated more, therefore, directly
The sum of the step number of the N number of calculating cycle of total step number with current calculation cycle and its before is made the difference, and place will be made the difference
The difference obtained after reason the total step number final as current calculation cycle.As it can be seen that can be accurately obtained by this kind of compensation way
The total step number of current calculation cycle.
As a kind of optionally embodiment, the motion state of current calculation cycle is determined, and, according to a upper calculating cycle
Motion state determine the total step number of current calculation cycle, comprising:
Determine the motion state acceleration information and step counting acceleration information of current calculation cycle, motion state accelerates degree
According to the step counting acceleration of M calculating cycle before step counting acceleration information and current calculation cycle including current calculation cycle
Data, wherein 2≤N < M+1；
The motion state of current calculation cycle is determined according to motion state acceleration information；
It in the motion state of a upper calculating cycle is static or when riding, it is determined that the step number of current calculation cycle is
Zero, and directly using the total step number of a upper calculating cycle as the total step number of current calculation cycle；
When the motion state of a upper calculating cycle is to walk or run, then accelerated according to the step counting of current calculation cycle
Degree is carried out according to the step number for determining current calculation cycle, and by the total step number of the step number of current calculation cycle and a upper calculating cycle
Addition processing, and will add up total step number of the sum for handling and obtaining as current calculation cycle.
Specifically, in order to determine motion state, the step counting that can choose M+1 calculating cycle of accelerometer accelerates degree
According to as motion state acceleration information.After determining motion state acceleration information, can according to the mode of decision tree or
Other modes carry out motion state classification.
It is the step that current calculation cycle is determined according to the motion state of a upper calculating cycle when calculating total step number
Number in the motion state of a upper calculating cycle is specifically static or when riding, it is determined that the step number of current calculation cycle is
Zero, and directly using the total step number of a upper calculating cycle as the total step number of current calculation cycle；In the movement of a upper calculating cycle
State is when walking or running, then the step of current calculation cycle to be determined according to the step counting acceleration information of current calculation cycle
Number, and the step number of current calculation cycle is carried out being added processing with the total step number of a upper calculating cycle, and will add up processing and obtain
Total step number of the sum as current calculation cycle.
As a kind of preferred embodiment, N=[(M+1)/2], wherein [] is bracket function, is specially no more than real number
The maximum integer of M/2.
Specifically, since the application is M calculating according to the step counting acceleration information of current calculation cycle and its before
The step counting acceleration information in period determines the motion state of current calculation cycle, therefore, the present embodiment in order to guarantee to judge precision,
Here the data considered in delay process almost account for the half of the data of determining motion state namely N can be [(M+
1)/2], certainly, N may be [(M+1)/2]+1 or [(M+1)/2] -1, and the application does not limit particularly herein.
As a kind of optionally embodiment, when carrying out step counting using default principle, wherein default step counting principle are as follows:
Difference between the amplitude of wave crest acceleration and the amplitude of trough acceleration nearest apart from wave crest acceleration on the time, which is greater than, hangs down
When to threshold value, adds a step, otherwise, step is not added；
Before the step counting acceleration information according to current calculation cycle determines the step number of current calculation cycle, further includes:
If there are also untreated meters after the last one wave crest acceleration of the step counting acceleration information of a upper calculating cycle
Acceleration information is walked, then the step counting acceleration information after the last one wave crest acceleration is also used as to the meter of current calculation cycle
Walk acceleration information.
Specifically, referring to figure 3., Fig. 3 is that a kind of step counting of determining current calculation cycle provided by the invention accelerates degree
According to schematic diagram.
As shown in Figure 2, when carrying out step counting according to default principle, it may result in the step counting acceleration of a calculating cycle
Data have residue, are based on this, in the present embodiment, before the step counting acceleration information [X1, X2] using current calculation cycle, first
The wave crest acceleration that a Cut_position meets step counting condition as the last one is set, if after the wave crest acceleration
There is no wave crest acceleration, then the wave crest acceleration is that the last one wave crest of the step counting acceleration information of a upper calculating cycle accelerates
Degree；If there are one wave crest acceleration (when being sampled by accelerometer there is sampling period, step counting to add after the wave crest acceleration
Speed be it is discrete caused, the median of actually the two wave crest acceleration is only actual wave crest acceleration) but it is discontented
Sufficient step counting condition (the right and left does not have trough acceleration) is unsatisfactory for the wave crest acceleration of step counting condition as last afterwards at this time
One wave crest acceleration.In the present embodiment, in order to simplify algorithm, step counting real-time is improved, default is according to meeting step counting condition
There are one wave crest acceleration after wave crest acceleration to calculate, at this point, by Cut_position move back two data points (
That is two groups of step counting acceleration), it is therefore an objective to skip the wave crest acceleration for being unsatisfactory for step counting condition.Therefore, current calculating week is being calculated
When the step number of phase, the data of actual use are [Cut_position, X2], to ensure that the continuity of data, will not be occurred
The imagination that step number is lost, further improves the precision of step counting.
Referring to figure 4., Fig. 4 is a kind of summary of the step-recording method improved to the application, and Fig. 4 is one kind provided by the invention
The schematic diagram of step-recording method.
Module 101, module 102, module 103 are current motion states from the point of view of the result according to the judgement of classification of motions decision tree
It is whether identical as previous second motion state.
Module 104, module 105, module 106 are the dataway operations carried out when module 103 is judged as NO, it is embodied
Be for the first time go out the asynchronous operation of present condition.Module 104 is that the meaning that Flag value is revised as 1, Flag is: being marked whether
There is different conditions appearance, this can be specifically mentioned in module 107.Module 105 is to record the lasting number of different conditions, in N1 quilt
After being initialized as 0, after module 105, N1=1.Module 106 is the judgment criteria of subsequent module 103, and Fig. 5 is this algorithm
The corresponding relationship for the Decision_answer value that the classification of motions algorithm of different motion state returns.Subsequent module 103 judges
When no state is identical, by with the Decision_answer value of current Decision_answer value and standard (i.e.
Decision_answer_old numerical value comparison) is carried out, judges whether state is identical.
Module 107, module 108, module 109, module 110, module 111 are when module 103 is judged as YES in Fig. 4
Process flow all the way.It is emphasized that there are two types of possibilities: 1 is to work as when current state goes last moment state identical
Former seconds states are all identical therewith for preceding state, and such state is one of the most common type state, this algorithm will according to normal step into
Row processing, i.e., operation when module 107 is determined as no；Although 2 be that current state is identical as previous second state, with standard
Decision_answer value (i.e. Decision_answer_old) is different, and is the process of N1 accumulation, this i.e. mould
When block module 107 is judged as YES, the operation of module 108.The Flag value of module 107 has the energy of above two possibility respectively
Power.
Module 109 is to judge whether the cumulative of N1 is greater than threshold value N, and for N is according to the processing data of 6s, this algorithm takes N=
3.When module 109 is judged as NO, needs to continue to accumulate, see subsequent operation.When module 109 is judged as YES, then it is assumed that user
Really a new motion state has been started, has been clearly mistake previously as the judgement that classification of motions is erroneous judgement, so will be into
Row module 110 compensates operation, and module 111 is initialization process, prepares for judgement next time.
Table 2 is please referred to, table 2 is that step number provided by the present application compensates table, wherein N1=N+1.
The step number provided by the present application of table 2 compensates table
Referring to figure 5., Fig. 5 is a kind of structural schematic diagram of step counting system provided by the invention, which includes:
Determination unit 51, for determining the motion state of current calculation cycle, and, according to the movement of a upper calculating cycle
State determines the total step number of current calculation cycle；
First judging unit 52, for judging the motion state of current calculation cycle and the motion state of a upper calculating cycle
It is whether identical, if it is, otherwise triggering second judgment unit 53 triggers the second total step number determination unit 55；
Second judgment unit 53, for judging all movements of the top n calculating cycle on the basis of current calculation cycle
It whether include that motion state is different in state judging result as a result, if so, otherwise triggering third judging unit 54 touches
Send out the second total step number determination unit 55；
Third judging unit 54, for judging occur the different calculating cycle of motion state from top n calculating cycle
Start identical time of motion state in all motion state judging results to current calculation cycle and including current calculation cycle
Whether number is not less than N, if so, otherwise the first total step number determination unit 56 of triggering triggers the second total step number determination unit 55, N
Not less than 2；
First total step number determination unit 56, before being changed according to the motion state and its motion state of current calculation cycle
Motion state and predesigned compensation algorithm in total step number, motion state change N+1 calculating cycle calculating step number into
Row compensation, and the total step number that compensated total step number is final as current calculation cycle；
Second total step number determination unit 55, for the total step number that total step number is final as current calculation cycle.
Above method embodiment is please referred to for the introduction of step counting system provided by the invention, the present invention is no longer superfluous herein
It states.
Fig. 6 is please referred to, Fig. 6 is a kind of structural schematic diagram of mobile device provided by the invention, comprising:
Accelerometer 61, for acquiring step counting acceleration information；
Memory 62, for storing computer program；
Processor 63 is realized when for executing computer program such as the step of above-mentioned step-recording method.
Specifically, mobile device here can be wrist strap, watch, feature phone, smart phone, navigation, tracker etc.
Electronic computing device.
Memory 62 can be random access memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable
Except any other forms known in programming ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
Memory.
In addition, the application does not limit the type and model of accelerometer 61 and processor 63 particularly, it is able to achieve
The purpose of the present invention.
Above method embodiment is please referred to for the introduction of mobile device provided by the invention, the present invention is no longer superfluous herein
It states.
It should be noted that in the present specification, relational terms such as first and second and the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of step-recording method characterized by comprising
S11: determining the motion state of current calculation cycle, and, current meter is determined according to the motion state of a upper calculating cycle
Calculate the total step number in period；
S12: judging whether the motion state of current calculation cycle is identical as the motion state of a upper calculating cycle, if it is,
Into S13, otherwise, into S16；
S13: judge whether wrap in all motion state judging results of the top n calculating cycle on the basis of current calculation cycle
It is different as a result, if so, into S14, otherwise, into S16 to include motion state；
S14: judging to occur since top n calculating cycle the different calculating cycle of motion state to current calculation cycle and
Whether the identical number of motion state is not less than N in all motion state judging results including current calculation cycle, if so,
Into S15, otherwise, it is not less than 2 into S16, N；
S15: motion state and predesigned compensation before being changed according to the motion state of current calculation cycle and its motion state are calculated
Method in the total step number, motion state change N+1 calculating cycle calculate step number compensate, and will it is compensated always
The step number total step number final as current calculation cycle；
S16: using the total step number that the total step number is final as current calculation cycle.
2. step-recording method as described in claim 1, which is characterized in that the motion state according to current calculation cycle and its
Motion state change before motion state and predesigned compensation algorithm in the total step number, motion state change N+1 count
It calculates the step number that the period calculates to compensate, and the total step number that compensated total step number is final as current calculation cycle, comprising:
If the motion state of current calculation cycle change before motion state be it is static, the motion state of current calculation cycle is to ride
Row；
Alternatively,
Motion state before the motion state of current calculation cycle changes is to ride, and the motion state of current calculation cycle is quiet
Only；
Then in the total step number, the step number for the N+1 calculating cycle calculating that motion state changes be not processed, and directly by institute
State the total step number total step number final as current calculation cycle.
3. step-recording method as described in claim 1, which is characterized in that the motion state according to current calculation cycle and its
Motion state change before motion state and predesigned compensation algorithm in the total step number, motion state change N+1 count
It calculates the step number that the period calculates to compensate, and the total step number that compensated total step number is final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is to walk, the motion state of current calculation cycle is to run
Step；
Alternatively,
Motion state before the motion state of current calculation cycle changes is running, and the motion state of current calculation cycle is to walk
Road；
Then in the total step number, the step number for the N+1 calculating cycle calculating that motion state changes be not processed, and directly by institute
State the total step number total step number final as current calculation cycle.
4. step-recording method as described in claim 1, which is characterized in that the motion state according to current calculation cycle and its
Motion state change before motion state and predesigned compensation algorithm in the total step number, motion state change N+1 count
It calculates the step number that the period calculates to compensate, and the total step number that compensated total step number is final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is static or rides, the movement of current calculation cycle
State is to walk or run；
Then determine the sum of the step number of current calculation cycle and its N number of calculating cycle before；
It carries out the sum of the total step number and described step number to be added processing, and will add up the sum obtained after processing and calculated as current
Period final total step number.
5. step-recording method as claimed in claim 4, which is characterized in that the determining current calculation cycle and its before N number of
The sum of step number of calculating cycle, comprising:
Obtain all groups of step counting acceleration informations of current calculation cycle and its N number of calculating cycle before；
According to default step counting principle and all groups of step counting acceleration informations determine current calculation cycle and its before N number of calculating week
The sum of step number of phase；
The default step counting principle are as follows: in the amplitude of wave crest acceleration and the nearest trough of wave crest acceleration described in distance on the time
When difference between the amplitude of acceleration is greater than vertical threshold value, adds a step, otherwise, step is not added.
6. step-recording method as described in claim 1, which is characterized in that the motion state according to current calculation cycle and its
Motion state change before motion state and predesigned compensation algorithm in the total step number, motion state change N+1 count
It calculates the step number that the period calculates to compensate, and the total step number that compensated total step number is final as current calculation cycle, comprising:
If the motion state before the motion state of current calculation cycle changes is to walk or run, the movement of current calculation cycle
State is static or rides；
Then the sum of the step number of N number of calculating cycle by the total step number with current calculation cycle and its before makes the difference,
And the total step number that the difference obtained after making the difference is final as current calculation cycle.
7. step-recording method as claimed in any one of claims 1 to 6, which is characterized in that determine the movement shape of current calculation cycle
State, and, the total step number of current calculation cycle is determined according to the motion state of a upper calculating cycle, comprising:
Determine the motion state acceleration information and step counting acceleration information of current calculation cycle, the motion state accelerates degree
Step counting according to M calculating cycle before step counting acceleration information and the current calculation cycle including current calculation cycle adds
Speed data, wherein 2≤N < M+1；
The motion state of current calculation cycle is determined according to the motion state acceleration information；
It in the motion state of a upper calculating cycle is static or when riding, it is determined that the step number of current calculation cycle is
Zero, and directly using the total step number of a upper calculating cycle as the total step number of current calculation cycle；
When the motion state of a upper calculating cycle is to walk or run, then accelerated according to the step counting of current calculation cycle
Degree is carried out according to the step number for determining current calculation cycle, and by the total step number of the step number of current calculation cycle and a upper calculating cycle
Addition processing, and will add up total step number of the sum for handling and obtaining as current calculation cycle.
8. step-recording method as claimed in claim 7, which is characterized in that when carrying out step counting using default principle, wherein described
Default step counting principle are as follows: in the amplitude of wave crest acceleration and the nearest trough acceleration of wave crest acceleration described in distance on the time
When difference between amplitude is greater than vertical threshold value, adds a step, otherwise, step is not added；
Before the step counting acceleration information according to current calculation cycle determines the step number of current calculation cycle, further includes:
If adding after the last one wave crest acceleration of the step counting acceleration information of a upper calculating cycle there are also untreated step counting
Step counting acceleration information after the last one wave crest acceleration is then also used as the step counting of current calculation cycle to add by speed data
Speed data.
9. a kind of step counting system characterized by comprising
Determination unit, for determining the motion state of current calculation cycle, and, the motion state according to a upper calculating cycle is true
Determine the total step number of current calculation cycle；
First judging unit, for judge the motion state of current calculation cycle and a upper calculating cycle motion state whether phase
Together, if it is, otherwise triggering second judgment unit triggers the second total step number determination unit；
The second judgment unit, for judging all movement shapes of the top n calculating cycle on the basis of current calculation cycle
It whether include that motion state is different in state judging result as a result, if so, otherwise triggering third judging unit triggers institute
State the second total step number determination unit；
The third judging unit, for judging that occurring the different calculating cycle of motion state from top n calculating cycle opens
The identical number of motion state in all motion state judging results to begin to current calculation cycle and including current calculation cycle
Whether N is not less than, if so, otherwise the first total step number determination unit of triggering triggers the second total step number determination unit, N is not
Less than 2；
The first total step number determination unit, before being changed according to the motion state and its motion state of current calculation cycle
Motion state and predesigned compensation algorithm in the total step number, the step number for the N+1 calculating cycle calculating that motion state changes
It compensates, and the total step number that compensated total step number is final as current calculation cycle；
The second total step number determination unit, for the total step number that the total step number is final as current calculation cycle.
10. a kind of mobile device characterized by comprising
Accelerometer, for acquiring step counting acceleration information；
Memory, for storing computer program；
Processor realizes the step of step-recording method as claimed in any one of claims 1 to 8 when for executing the computer program
Suddenly.
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