A kind of determination method and apparatus of move distanceTechnical field
The present invention relates to data processing fields, more particularly to a kind of determination method and apparatus of move distance.
Background technique
With popularizing for mobile terminal, the application (English: Application, abbreviation: APP) on mobile terminal can be realExisting function is more and more, such as movement class APP relatively common at present.User carry motion of mobile terminals (such as walk,Running etc.) when, the movement class APP in mobile terminal can be opened, movement class APP can be by calling the positioning in mobile terminalInformation, record, analysis user movement parameter, such as move distance, speed etc., to provide a user digitized motion analysisAs a result.Location information described here can be the global positioning system (English: Global by mobile terminalPositioning System, abbreviation: GPS) signal, mobile terminal Wireless Fidelity (English: Wireless-Fidelity, contractingWrite: Wi-Fi) signal or according to base station location signal obtain.
However, the positioning signal for obtaining location information is second-rate under some movement environments, believe even without positioningNumber, such as in built-up cell, some indoor sports centers etc..When user moves under this kind of movement environment, takenThe mobile terminal of band can not obtain effective positioning signal, so that movement class APP is unable to get accurate location information.So transportDynamic class APP will obviously be poor with the actual move distance of user by the calculated move distance of location information institute of these inaccuracyIt is not larger, provide a user bad user experience.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of determination method and apparatus of move distance, Ke YicongStep-length corresponding with motion state and cadence is matched in the step-length key-value pair learnt, raising can not rely on location informationIn the case where, the APP determines the accuracy of move distance, and user experience is good.
The embodiment of the invention discloses following technical solutions:
A kind of determination method of move distance is applied to mobile terminal, and the APP being mounted in the mobile terminal obtains moreA state corresponding relationship, step number corresponding relationship and distance correspondence, the state corresponding relationship are a motion state and protectHold the corresponding relationship of the time interval of this motion state, the step number corresponding relationship be a measurement period step number sum withThe corresponding relationship of the time interval of this measurement period, the distance correspondence constitute movement rail by one group of adjacent position pointThe move distance of mark and acquire corresponding relationship between time interval used in this group of adjacent position point；The APP is from the multiple shapeState corresponding relationship, step number corresponding relationship and distance correspondence transfer dbjective state corresponding relationship with overlapping time section,Target step number corresponding relationship and target range corresponding relationship determine step-length key-value pair with this and are stored in the mobile terminalIn memory, corresponding relationship of the step-length key-value pair between step-length and motion state and cadence；The described method includes:
When the location information for judging the mobile terminal is insufficient for location requirement, the APP is according to the shiftingThe acceleration transducer of terminal, the data of baroceptor and gyroscope are moved, determines the real time kinematics state and reality of the userWhen cadence；
The APP according to the real time kinematics state and the cadence as occurrence, in real time and in the memoryThe step-length key-value pair of preservation is matched；
The move distance of APP user according to the step size computation in the step-length key assignments being matched to, wherein specific packetIt includes:
The APP determines that a step-length key-value pair is matched a duration for institute's successful match；
The APP obtains described lasting according to the step size computation of step number and this step-length key-value pair in the durationThe move distance of the user in time.
Optionally, further includes:
The APP determines that motion state is identical from the memory, and cadence difference is less than the multiple of preset difference valueStep-length key-value pair；
The multiple step-length key-value pair is weighted merging treatment by the APP, the step-length key assignments after obtaining a mergingIt is right；
The APP deletes the multiple step-length key-value pair from the memory, and by the step-length key assignments after the mergingTo being saved in the memory.
Optionally, the APP obtains multiple state corresponding relationships, step number corresponding relationship and distance correspondence, comprising:
Data of the APP according to the acceleration transducer, baroceptor and gyroscope, the identification carrying movementThe motion state of the user of terminal determines the state corresponding relationship according to the time interval of holding motion state, and is stored inIn the memory；The movement step number of APP user according to the data statistics of the acceleration transducer, according to statisticsThe step number sum in period determines the step number corresponding relationship, and saves in the memory；The APP believes the positioning of acquisitionBreath is screened, and determines that alignment quality meets the location point of preset requirement, according to the constituted motion profile of adjacent position pointMove distance determines the distance correspondence, and saves in the memory.
Optionally, the APP screens the location information of acquisition, determines that alignment quality meets the position of preset requirementIt sets a little, the distance correspondence is determined according to the move distance of the constituted motion profile of adjacent position point, comprising:
The APP obtains multiple location points to be determined according to location information, the location point to be determined include location parameter,Speed parameter, the direction of motion and acquisition time；
Speed parameter is not met the position point deletion to be determined of the first preset condition by the APP；
The APP, by remaining name placement to be determined, is determined adjacent according to location parameter, the direction of motion and acquisition timeWhether time interval, the difference of location interval of location point acquisition time meet the second preset condition, will be incongruent to be determinedPosition point deletion；
Remaining location point to be determined is linked in sequence into motion profile by the APP, will form not in the motion profileThe position point deletion to be determined of smooth track part；
Remaining position to be determined is determined as the location point that alignment quality meets preset requirement by the APP.
Optionally, the APP transfers tool from the multiple state corresponding relationship, step number corresponding relationship and distance correspondenceThere are the dbjective state corresponding relationship, target step number corresponding relationship and target range corresponding relationship in overlapping time section, is determined with thisStep-length key-value pair out, comprising:
If respective time interval is not exactly the same in target step number corresponding relationship and target range corresponding relationship, describedAPP carries out corresponding compensated distance according to the difference between time interval.
A kind of determining device of move distance, is set in mobile terminal, and the determining device includes processor, storageDevice, acceleration transducer, baroceptor, gyroscope and matching module；
The processor, for obtaining multiple state corresponding relationships, step number corresponding relationship and distance correspondence, the shapeState corresponding relationship is the corresponding relationship an of motion state with the time interval for keeping this motion state, and the step number is corresponding to closeSystem is the corresponding relationship of the step number sum of a measurement period and the time interval of this measurement period, the distance correspondenceThe move distance of motion profile is constituted by one group of adjacent position point and is acquired between time interval used in this group of adjacent position pointCorresponding relationship；It transfers from the multiple state corresponding relationship, step number corresponding relationship and distance correspondence with overlapping time areaBetween dbjective state corresponding relationship, target step number corresponding relationship and target range corresponding relationship, step-length key-value pair is determined with thisAnd it saves in the memory, corresponding relationship of the step-length key-value pair between step-length and motion state and cadence；
When the location information for judging the mobile terminal is insufficient for location requirement, the processor is also used to rootAccording to the data of the acceleration transducer, baroceptor and gyroscope, the real time kinematics state and in real time of the user is determinedCadence；
The matching module, for according to the real time kinematics state and the cadence as occurrence, in real time and instituteThe step-length key-value pair saved in memory is stated to be matched；
The processor is also used to the move distance of the user according to the step size computation in the step-length key assignments being matched to,In, it specifically includes:
Determine that a step-length key-value pair is matched a duration for institute's successful match；
It is obtained in the duration according to the step size computation of step number and this step-length key-value pair in the durationThe move distance of the user.
Optionally, the processor is also used to determine that motion state is identical from the memory, and cadence difference is smallIn multiple step-length key-value pairs of preset difference value；The multiple step-length key-value pair is weighted merging treatment, obtains a mergingStep-length key-value pair afterwards；Delete the multiple step-length key-value pair from the memory, and by the step-length key assignments after the mergingTo being saved in the memory.
Optionally, the processor is specifically used for the number according to the acceleration transducer, baroceptor and gyroscopeAccording to identification carries the motion state of the user of the mobile terminal, determines the shape according to the time interval of holding motion stateState corresponding relationship, and save in the memory；According to the movement of user described in the data statistics of the acceleration transducerStep number determines the step number corresponding relationship according to the step number sum of measurement period, and saves in the memory；To acquisitionLocation information is screened, and determines that alignment quality meets the location point of preset requirement, constitutes movement according to adjacent position pointThe move distance of track determines the distance correspondence, and saves in the memory.
Optionally, the processor is specifically used for obtaining multiple location points to be determined according to location information, described to be determinedLocation point includes location parameter, speed parameter, the direction of motion and acquisition time；Speed parameter the first preset condition is not met intoPosition point deletion to be determined；According to location parameter, the direction of motion and acquisition time by remaining name placement to be determined, phase is determinedWhether time interval, the difference of location interval of adjacent location point acquisition time meet the second preset condition, by incongruent to truePoint deletion is set in positioning；Remaining location point to be determined is linked in sequence into motion profile, it is uneven by being formed in the motion profileThe position point deletion to be determined of sliding path portion；Remaining position to be determined is determined as the position that alignment quality meets preset requirementIt sets a little.
Optionally, if the respective incomplete phase of time interval in target step number corresponding relationship and target range corresponding relationshipTogether, the processor is specifically used for carrying out corresponding compensated distance according to the difference between time interval.
By the study to historical movement data it can be seen from above-mentioned technical proposal, APP in the terminal is installedIt can obtain moving in same overlapping time section from state corresponding relationship, step number corresponding relationship and distance correspondenceThe corresponding relationship of state, step number and distance, and be further converted into including the corresponding pass between step-length and motion state and cadenceThe step-length key-value pair of system.During user carries the mobile terminal and moves, when the APP judges current movement eventuallyWhen the location information at end is insufficient for location requirement, using the real time kinematics state determined and real-time cadence as occurrence,The step-length key-value pair saved in memory described in real-time matching, according to the duration of successful match and the step size computation being matched toThe move distance of user.Since cadence and motion state can only be needed not against location information according to described mobile wholeEnd own module data collected can be determined accurately, in this way by real-time, accurate motion state and cadence,Step-length corresponding with motion state and cadence can be matched from the step-length key-value pair learnt, in different motion statesUnder cadence, the step-length determined can change accordingly, it is possible thereby to accurately calculate movement by Stride length and frequencyDistance is improved in the case where that can not rely on location information, and the APP determines the accuracy of move distance, and user experience is good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show belowThere is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only thisSome embodiments of invention without any creative labor, may be used also for those of ordinary skill in the artTo obtain other drawings based on these drawings.
Fig. 1 is a kind of method flow diagram of the determination method of move distance provided in an embodiment of the present invention；
Fig. 2 is a kind of method flow diagram of location point screening technique provided in an embodiment of the present invention；
Fig. 3 is a kind of motion trail analysis schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of structure drawing of device of the determining device of move distance provided in an embodiment of the present invention.
Specific embodiment
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 inventionIn attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present inventionA part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not havingEvery other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
When carrying mobile terminal moves, the APP installed on the mobile terminal can analyze by the shifting userThe kinematic parameter of dynamic terminal acquisition, to provide a user digitized motion analysis result.
Some movement environments such as cell or arena etc. are preferable to the shielding of signal, interference effect, especially needleTo the GPS signal for being usually used in positioning, when user being caused to carry motion of mobile terminals under this kind of movement environment, mobile terminal is difficult toObtain accurate positioning signal.So movement class APP will obviously by the calculated move distance of location information institute of inaccuracyLarger with the actual move distance difference of user, the motion analysis result for providing a user mistake can bring bad user's bodyIt tests.
For this problem, settling mode traditional at present is to move class APP to provide the typing of motion information for user,Motion information described here mainly includes the information relevant to movement such as age, gender, height, step-length.Believe in this way in positioningIn the case that number such as GPS signal is bad, can be used the fixed step size of user's input, or using by the age, gender andThe fixed step size that Stature estimation goes out is multiplied with the cadence being calculated, to obtain the move distance of user.
However, step-length of the user under different motion states is different, for example, on foot when step-length and step-length when hurrying upJust there is significant difference.Therefore the move distance under different motion state is unifiedly calculated using constant default step-length, obtained knotFruit accuracy is not naturally high.
For this purpose, the embodiment of the invention provides a kind of determination method and apparatus of move distance, by historical movement numberAccording to study, the APP installed in the terminal can be from state corresponding relationship, step number corresponding relationship and distance correspondenceThe corresponding relationship in motion state, step number and distance in same overlapping time section is obtained, and is further converted into including stepLong and the corresponding relationship between motion state and cadence step-length key-value pair.Carry what the mobile terminal was moved in userIn the process, real-time by what is determined when the APP judges that the location information of current mobile terminal is insufficient for location requirementMotion state and real-time cadence are as occurrence, the step-length key-value pair saved in memory described in real-time matching, according to matching atThe move distance of the duration of function and the step size computation user being matched to.Since cadence and motion state can be not against fixedPosition information, and only need accurately be determined according to the mobile terminal own module data collected, it is logical in this wayReal-time, accurate motion state and cadence are crossed, can be matched and motion state and step from the step-length key-value pair learntFrequently corresponding step-length, under different motion states and cadence, the step-length determined may all change accordingly, it is possible thereby toMove distance is accurately calculated by Stride length and frequency, is improved in the case where location information can not be relied on, the APP is trueDetermine the accuracy of move distance, user experience is good.
APP described in the embodiment of the present invention can be understood as a kind of movement class APP, install or be deployed in mobile terminalIn.User can open the APP when the carrying mobile terminal moves, and the mobile terminal passes through described in operationScheme provided in the embodiment of the present invention may be implemented in APP.During realizing above scheme, the APP may be at instituteThe foreground of mobile terminal is stated, also may be at the backstage of the mobile terminal.
Embodiment one
Before the determination method for describing move distance provided in an embodiment of the present invention, provided by the invention go through is described firstThe mode of learning of history exercise data.
In embodiments of the present invention, the study of step-length is mainly carried out, here by historical movement Data Management AnalysisHistorical movement data are mainly the data that the APP is obtained in history use process, are also possible to obtain by other approachThe historical movement data for the user, the present invention do not limit this.During APP operation, it can continueCarry out learn, update.To improve the accuracy of the step-length learnt.
The APP obtains multiple state corresponding relationships, step number corresponding relationship and distance correspondence, these corresponding relationships canIt is collected with the module being arranged by the mobile terminal itself, such as can be the acceleration sensing of the mobile terminalDevice, baroceptor and gyroscope data collected.It and further include being determined by what is obtained by the module with positioning functionPosition information obtains, and the module with positioning function can be GPS module, Wi-Fi module or the module interacted with base station etc..
The state corresponding relationship is the corresponding relationship an of motion state with the time interval for keeping this motion state,The step number corresponding relationship is the corresponding relationship of the step number sum of a measurement period and the time interval of this measurement period, instituteState this group of adjacent position point institute of move distance and acquisition that distance correspondence is made of motion profile one group of adjacent position pointWith corresponding relationship between time interval.
Specifically, the APP can be identified according to the data of the acceleration transducer, baroceptor and gyroscopeThe motion state for carrying the user of the mobile terminal is closed according to keeping the time interval of motion state to determine that the state is correspondingSystem, and save in the memory.Memory described in the embodiment of the present invention can be arranged in the mobile terminalMemory.The motion state running or can be divided into more careful motion state to walk.Pass through the shapeState corresponding relationship can identify the user and be moved in which with which kind of motion state period.
The APP can the user according to the data statistics of the acceleration transducer movement step number, according to statisticsThe step number sum in period determines the step number corresponding relationship, and saves in the memory.By the step number corresponding relationship,The step number that the user is moved in a period of time can be identified.
The APP can screen the location information of acquisition, determine that alignment quality meets the position of preset requirementPoint determines the distance correspondence according to the move distance of the constituted motion profile of adjacent position point, and is stored in described depositIn reservoir.By the distance correspondence, initial time, the end time of the motion profile of the user can be identifiedAnd total distance.
It, can be with by saving in the memory state corresponding relationship, step number corresponding relationship and distance correspondenceIt calls at any time when needed.
After obtaining the multiple state corresponding relationship, step number corresponding relationship and distance correspondence, since these are rightTime interval is all had in should being related to, therefore can be by the overlapping relation in comparison time section, so that it is determined that source is in sameState corresponding relationship, step number corresponding relationship and distance correspondence in time interval, that is, a time zone can be definedThe move distance in movement step number and this time interval in interior motion state, this time interval, is equivalent to more completeKind synthesis kinematic parameter.
That is, the APP can be from the multiple state corresponding relationship, step number corresponding relationship and distance correspondenceTransfer dbjective state corresponding relationship, target step number corresponding relationship and target range corresponding relationship with overlapping time section.
By the dbjective state corresponding relationship, target step number corresponding relationship and target range corresponding relationship, can determineOut in the overlapping time section motion state, step number and distance corresponding relationship.It can by overlapping time section and step numberTo calculate the cadence in the overlapping time section, the user can be calculated in the overlapping time by distance and cadenceThe length that an average step steps in section, that is, step-length.Using this determine step-length key-value pair described in step-length key-value pair as step-lengthCorresponding relationship between motion state and cadence, and be stored in the memory of the mobile terminal.Specifically, the step-lengthKey-value pair can key-value pair between [cadence+motion state] and [step-length].
Fig. 1 is a kind of method flow diagram of the determination method of move distance provided in an embodiment of the present invention, the method packetIt includes:
S101: when the location information for judging the mobile terminal is insufficient for location requirement, the APP is according to instituteThe acceleration transducer of mobile terminal, the data of baroceptor and gyroscope are stated, determines the real time kinematics state of the userWith real-time cadence.
First by way of example, illustrate the application scenarios that can apply the embodiment of the present invention.It is not enough to when there is location informationWhen meeting location requirement, it at least can be understood as being likely to occur two kinds of situations below.
The first situation, although opening traditional positioning function, may shielding due to building or signal it is dryIt the reasons such as disturbs, causes the location information quality of the acquisition for mobile terminal too low, accurate positionin cannot be played the role of, or veryTo the exercise data for leading to offer mistake.The concrete application scene for causing the first situation can be above-mentioned peculair motionEnvironment (in indoor or cell etc.).
Second situation, may traditional positioning function of the mobile terminal (such as GPS module, Wi-Fi module etc. provideFunction) there is no open.Since the power consumption that mobile terminal is positioned using locating module is larger, in order to save electric energy,User during exercise, can the module for providing positioning function for relevant of active close, and by using the embodiment of the present inventionThe determination method of the move distance of offer obtains associ-ated motion parameters (such as move distance).
As can be seen that the embodiment of the present invention provided by move distance determination method, not only can location information notAuxiliary provides accurate move distance in accurate situation, can also be in the scene of not location information, accurately reallyThe move distance of user is made, movement statistics data needed for the users such as speed, and play the technical effect of power saving.
The modules such as acceleration transducer, baroceptor and the gyroscope of the mobile terminal itself setting, are mainly used forPerceive the relevant parameter of the mobile terminal external environment.That is, above-mentioned without under effective position data cases, even ifData-signal environment is poor, these modules data collected can't also be affected because of the shielding or interference of data-signal,It can still guarantee the accuracy of acquired data.
The APP can pass through lasting acceleration transducer, baroceptor and the gyroscope for calling the mobile terminalThe data acquired in real time calculate the real time kinematics state for carrying the user of the mobile terminal.
The APP can be by calling the movement step number of user described in the data statistics of the acceleration transducer, and rootThe time determines real-time cadence according to statistics.
S102: the APP according to the real time kinematics state and the cadence as occurrence, in real time with the storageThe step-length key-value pair saved in device is matched.
For example, pass through the real-time determination of S101, it is available to follow the actual motion change of the user and changeMotion state and cadence.It and include [cadence+movement shape using real time kinematics state and cadence as a complete occurrenceState] and [step-length] between the step-length key-value pair of corresponding relationship carry out lasting matching.It is hereby achieved that in the specific periodInterior specific step-length.
The move distance of S103: the APP user according to the step size computation in the step-length key assignments being matched to.Wherein,It specifically includes:
The APP determines that a step-length key-value pair is matched a duration for institute's successful match；
The APP obtains described lasting according to the step size computation of step number and this step-length key-value pair in the durationThe move distance of the user in time.
For example, the first step-length key-value pair and the second step-length key-value pair are saved in the memory, the first step-length keyThe step-length for being worth centering is 1m, and the step-length in the second step-length key-value pair is 1.1m.Aprowl, 12: 10 assign at 12 points to userIn 20 points of this periods, the motion state and cadence determined match with the first step-length key-value pair, that is to say, thatWithin this period, the average step length of the user can be the step-length in the long key-value pair of the first step: 1m.When using thisBetween accumulation in section step number multiplied by the step-length in the first step-length key-value pair can be obtained by the user 12 points 10 minutesTo the move distance in 12 points of 20 minutes this periods.
Assigned in 12 points of 43 minutes this periods from 12: 21, the motion state and cadence determined with the second stepLong key-value pair matches, that is to say, that within this period, the average step length of the user can be the long key assignments of second stepThe step-length of centering: 1.1m.Using the step number of the accumulation in this period multiplied by the step-length in the second step-length key-value pair justThe available user assigns to the move distance in 12 points of 43 minutes this periods 12: 21.
By the study to historical movement data it can be seen from the present embodiment, installing APP in the terminal can be withShape is moved from obtaining being in same overlapping time section in state corresponding relationship, step number corresponding relationship and distance correspondenceThe corresponding relationship of state, step number and distance, and be further converted into including the corresponding relationship between step-length and motion state and cadenceStep-length key-value pair.During user carries the mobile terminal and moves, when the APP judges current mobile terminalLocation information when being insufficient for location requirement, it is real using the real time kinematics state determined and real-time cadence as occurrenceWhen match the step-length key-value pair saved in the memory, used according to the duration of successful match and the step size computation that is matched toThe move distance at family.Since cadence and motion state can only be needed not against location information according to the mobile terminalOwn module data collected can determine accurately, can in this way by real-time, accurate motion state and cadenceTo match step-length corresponding with motion state and cadence from the step-length key-value pair learnt, in different motion state andUnder cadence, the step-length determined can change accordingly, it is possible thereby to by Stride length and frequency accurately calculate movement away fromFrom improving in the case where location information can not be relied on, the APP determines the accuracy of move distance, and user experience is good.
Embodiment two
In the present embodiment, will be described with to the mode of learning of the historical movement data it is specific refinement and it is excellentChange.
The APP is described in detail first to screen the location information of acquisition, determines that alignment quality meets default wantThe location point asked determines the process of the distance correspondence according to the move distance of the constituted motion profile of adjacent position point.
Optionally, Fig. 2 is a kind of method flow diagram of location point screening technique provided in an embodiment of the present invention, comprising:
S201: the APP obtains multiple location points to be determined according to location information, and the location point to be determined includes positionParameter, speed parameter, the direction of motion and acquisition time.
S202: the APP does not meet speed parameter the position point deletion to be determined of the first preset condition.
For example, first preset condition can be a velocity interval, the lower limit value of this velocity interval can be withFor minimum speed possible in motion process, upper limit value can be the maximum value of sports knowledge speed.By with it is described first pre-, can be too low by speed if condition is matched, it may belong to static location point to be determined and excessive velocities substantially, surpassThe position point deletion to be determined of sports knowledge speed out.
S203: the APP according to location parameter, the direction of motion and acquisition time by remaining name placement to be determined, reallyDetermine the time interval of adjacent position point acquisition time, whether the difference of location interval meets the second preset condition, will be incongruentPosition point deletion to be determined.
For example, this step carries out comprehensive sieve primarily directed to the residue location point to be determined after screening by S202Choosing.
The time interval and location interval of adjacent location point to be determined are calculated, if the time interval of location point to be determined is poor(it can be judged using the statistical algorithms such as standard deviation or variance are sought) away from very little, and apart from difference very little, then it is assumed that instituteIt is more stable to state movement velocity of the user between these location points to be determined, can be retained.Otherwise, by position to be determinedPoint deletion.
S204: the APP is linked in sequence remaining location point to be determined at motion profile, by group in the motion profileAt the position point deletion to be determined of unsmooth path portion.
For example, adjacent location point to be determined is connected to form motion profile as shown in Figure 3, two adjacent to trueA Directed Vector can be formed according to the direction of motion by determining location point, then can calculate the vector folder of adjacent Directed VectorAngle.If the difference variation of these vector angles is gentle, then it is assumed that the motion profile of the user is than more gentle, and the user is notBe do broken line movement or location information receive caused by interference.If it is not, will then form the position to be determined of unsmooth path portionSet point deletion.
It is illustrated by attached drawing, Fig. 3 is a kind of motion trail analysis schematic diagram provided in an embodiment of the present invention.In Fig. 3Share 1 to 9 totally nine location points to be determined.In 1 to 5 this five location points to be determined, Directed Vector 23 and Directed Vector34 angle is the excessive of not perfectly flat cunning, then 1 to 5 this five location points to be determined constitute unsmooth track, it will are deletedIt removes.And in motion profile composed by 5 to 9 this five location points to be determined, the angle difference of the adjacent Directed Vector of every two becomesFixation is all compared in change, such as about within 15 degree, then it is assumed that motion profile composed by 5 to 9 this five location points to be determinedBelong to smooth motion profile.It can illustrate that the user moves along a relatively good route, and position letterBreath is not interfered strongly, and the location point to be determined for forming this componental movement track can retain.
S205: the APP is determined as remaining position to be determined the location point that alignment quality meets preset requirement.
In motion profile composed by the location point remained, the motion mode of the user is basicly stable, movement is fastBasicly stable, direction of motion variation is spent smoothly, among study.
Next, the optimization by description to the step-length key-value pair saved in memory.During study, step-length key assignmentsPair quantity will be more and more, it is appropriate to merge the accuracy that step-length key-value pair can be improved.Optionally, the embodiment of the present invention providesA kind of pair of step-length key-value pair weighting merging treatment.
The APP determines that motion state is identical from the memory, and cadence difference is less than the multiple of preset difference valueStep-length key-value pair.The multiple step-length key-value pair is weighted merging treatment by the APP, the step-length key after obtaining a mergingValue pair.The APP deletes the multiple step-length key-value pair from the memory, and the step-length key-value pair after the merging is protectedIt is stored in the memory.
For example, if the motion state of the first step-length key-value pair and the second step-length key-value pair is all the same, the first step-length keyThe cadence of value pair is that 1 step is per second, and the cadence of the second step-length key-value pair is that 1.1 steps are per second, then the first step-length key-value pair and secondThe cadence difference of step-length key-value pair is that 0.1 step is per second, if being less than preset difference (it is per second to be assumed to be 0.2 step), then canThe first step-length key-value pair and the second step-length key-value pair are weighted merging treatment, third step-length key-value pair is obtained.The APPFirst step-length key-value pair and the second step-length key-value pair can be deleted from the memory, and third step-length key-value pair is savedInto the memory.
The trigger condition of the weighting merging treatment of step-length key-value pair can be, if the step-length key-value pair saved in memoryThe excessive certain amount of number, be weighted merging treatment.It is also possible to when new study is to a step-length key-value pair, by thisPreviously stored step-length key-value pair is weighted merging treatment in step-length key-value pair and memory.
The embodiment of the invention also provides determining dbjective state corresponding relationship, target step number corresponding relationship and target rangeCorrecting mode during corresponding relationship.Optionally, the APP from the multiple state corresponding relationship, step number corresponding relationship andDistance correspondence transfers dbjective state corresponding relationship, target step number corresponding relationship and target range with overlapping time sectionCorresponding relationship determines step-length key-value pair with this, comprising:
If respective time interval is not exactly the same in target step number corresponding relationship and target range corresponding relationship, describedAPP carries out corresponding compensated distance according to the difference between time interval.
The distance of compensation can difference between time interval it is related, certain distance can be accordingly increased, can also be withIt is corresponding to reduce certain distance.
Embodiment three
Fig. 4 is a kind of structure drawing of device of the determining device of move distance provided in an embodiment of the present invention, is applied to movementTerminal, the determining device include processor 400, memory 401, acceleration transducer 402, baroceptor 403, gyroscope404 and matching module 405；
The processor 400, for obtaining multiple state corresponding relationships, step number corresponding relationship and distance correspondence, instituteState the corresponding relationship that state corresponding relationship is a motion state with the time interval for keeping this motion state, the step number pairIt should be related to the corresponding relationship of the time interval of the step number sum and this measurement period for a measurement period, the distance is correspondingRelationship constitutes time interval used in this group of adjacent position point of move distance and acquisition of motion profile by one group of adjacent position pointBetween corresponding relationship.
For example, the processor 400 and memory 401, acceleration transducer 402, baroceptor 403 and gyroInstrument 404 etc. are connected.The processor 400 lasting in use learn by historical movement Data Management AnalysisIt practises, updates.To improve the accuracy of the step-length learnt.
The processor 400 obtains multiple state corresponding relationships, step number corresponding relationship and distance correspondence, these correspondencesRelationship can pass through the acceleration transducer 402, baroceptor 403 and the data collected of gyroscope 404.And it also wrapsInclude by by with positioning function module obtain location information obtain, with positioning function module can be GPS module,Wi-Fi module or the module etc. interacted with base station.
Specifically, the processor 400 is specifically used for according to the acceleration transducer 402, baroceptor 403 and topThe data of spiral shell instrument 404, identification carry the motion state of the user of the mobile terminal, according to the time interval for keeping motion stateIt determines the state corresponding relationship, and is stored in the memory 401；The motion state can for walk, running orMore careful motion state can be divided into.By the state corresponding relationship, the user can be identified in which timeSection is moved with which kind of motion state.
According to the movement step number of user described in the data statistics of the acceleration transducer 402, according to the step of measurement periodNumber sum determines the step number corresponding relationship, and is stored in the memory 401；It, can be with by the step number corresponding relationshipIdentify the step number that the user is moved in a period of time.
The location information of acquisition is screened, determines that alignment quality meets the location point of preset requirement, according to adjacentThe move distance of the constituted motion profile of location point determines the distance correspondence, and saves in the memory.Pass throughThe distance correspondence can identify initial time, end time and the total distance of the motion profile of the user.
It, can by the way that state corresponding relationship, step number corresponding relationship and distance correspondence to be stored in the memory 401To call at any time when needed.
After obtaining the multiple state corresponding relationship, step number corresponding relationship and distance correspondence, since these are rightTime interval is all had in should being related to, therefore can be by the overlapping relation in comparison time section, so that it is determined that source is in sameState corresponding relationship, step number corresponding relationship and distance correspondence in time interval, that is, a time zone can be definedThe move distance in movement step number and this time interval in interior motion state, this time interval, is equivalent to more completeKind synthesis kinematic parameter.
That is, the processor 400 can be from the multiple state corresponding relationship, step number corresponding relationship and apart from rightIt should be related to and transfer the corresponding pass of dbjective state corresponding relationship, target step number corresponding relationship and target range with overlapping time sectionSystem.
By the dbjective state corresponding relationship, target step number corresponding relationship and target range corresponding relationship, can determineOut in the overlapping time section motion state, step number and distance corresponding relationship.It can by overlapping time section and step numberTo calculate the cadence in the overlapping time section, the user can be calculated in the overlapping time by distance and cadenceThe length that an average step steps in section, that is, step-length.Using this determine step-length key-value pair described in step-length key-value pair as step-lengthCorresponding relationship between motion state and cadence, and be stored in the memory of the mobile terminal.Specifically, the step-lengthKey-value pair can key-value pair between [cadence+motion state] and [step-length].
When the location information for judging the mobile terminal is insufficient for location requirement, the processor 400 is also usedIn the data according to the acceleration transducer 402, baroceptor 403 and gyroscope 404, the real-time fortune of the user is determinedDynamic state and real-time cadence.
First by way of example, illustrate the application scenarios that can apply the embodiment of the present invention.It is not enough to when there is location informationWhen meeting location requirement, it at least can be understood as being likely to occur two kinds of situations below.
The first situation, although opening traditional positioning function, may shielding due to building or signal it is dryIt the reasons such as disturbs, causes the location information quality of the acquisition for mobile terminal too low, accurate positionin cannot be played the role of, or veryTo the exercise data for leading to offer mistake.The concrete application scene for causing the first situation can be above-mentioned peculair motionEnvironment (in indoor or cell etc.).
Second situation, may traditional positioning function of the mobile terminal (such as GPS module, Wi-Fi module etc. provideFunction) there is no open.Since the power consumption that mobile terminal is positioned using locating module is larger, in order to save electric energy,User during exercise, can the module for providing positioning function for relevant of active close, and by using the embodiment of the present inventionThe determination method of the move distance of offer obtains associ-ated motion parameters (such as move distance).
As can be seen that the move distance being set in the mobile terminal provided by the embodiment of the present invention determines dressIt sets, not only auxiliary can provide accurate move distance in the case where location information inaccuracy, can also believe in no positioningIn the scene of breath, the move distance of user is accurately determined, movement statistics data needed for the users such as speed, and playThe technical effect of power saving.
The modules such as the acceleration transducer 402, baroceptor 403 and gyroscope 404 are mainly used for perceiving the shiftingThe relevant parameter of dynamic terminal external environment.That is, above-mentioned without under effective position data cases, even if data-signal ringBorder is poor, these modules data collected can't also be affected because of the shielding or interference of data-signal, can still protectDemonstrate,prove the accuracy of acquired data.
The processor 400 can call the acceleration transducer 402, baroceptor 403 and gyro by lastingThe data that instrument 404 acquires in real time calculate the real time kinematics state for carrying the user of the mobile terminal.
The processor 400 can be by calling the movement of user described in the data statistics of the acceleration transducer 402Step number, and real-time cadence is determined according to statistical time.
The matching module 405, for according to the real time kinematics state and the cadence as occurrence, in real time withThe step-length key-value pair saved in the memory 401 is matched.
For example, by determining in real time, the available movement for following the actual motion change of the user and changingState and cadence.The matching module 405 and includes [step using real time kinematics state and cadence as a complete occurrenceFrequently+motion state] and [step-length] between the step-length key-value pair of corresponding relationship carry out lasting matching.It is hereby achieved that specificPeriod in specific step-length.
The processor 400 be also used to the movement of the user according to the step size computation in the step-length key assignments being matched to away fromFrom, wherein it specifically includes:
Determine that a step-length key-value pair is matched a duration for institute's successful match；
It is obtained in the duration according to the step size computation of step number and this step-length key-value pair in the durationThe move distance of the user.
For example, the first step-length key-value pair and the second step-length key-value pair are saved in the memory, the first step-length keyThe step-length for being worth centering is 1m, and the step-length in the second step-length key-value pair is 1.1m.Aprowl, 12: 10 assign at 12 points to userIn 20 points of this periods, the motion state and cadence determined match with the first step-length key-value pair, that is to say, thatWithin this period, the average step length of the user can be the step-length in the long key-value pair of the first step: 1m.When using thisBetween accumulation in section step number multiplied by the step-length in the first step-length key-value pair can be obtained by the user 12 points 10 minutesTo the move distance in 12 points of 20 minutes this periods.
Assigned in 12 points of 43 minutes this periods from 12: 21, the motion state and cadence determined with the second stepLong key-value pair matches, that is to say, that within this period, the average step length of the user can be the long key assignments of second stepThe step-length of centering: 1.1m.Using the step number of the accumulation in this period multiplied by the step-length in the second step-length key-value pair justThe available user assigns to the move distance in 12 points of 43 minutes this periods 12: 21.
By the study to historical movement data it can be seen from the present embodiment, be arranged movement in the terminal away fromFrom determining device can be obtained from state corresponding relationship, step number corresponding relationship and distance correspondence in same overlapping whenBetween in section motion state, step number and distance corresponding relationship, and be further converted into including step-length and motion state and cadenceBetween corresponding relationship step-length key-value pair.During user carries the mobile terminal and moves, when the movementWhen determination of distance device judges that the location information of current mobile terminal is insufficient for location requirement, real-time fortune that will determineDynamic state and real-time cadence are as occurrence, the step-length key-value pair saved in memory described in real-time matching, according to successful matchDuration and the move distance of step size computation user that is matched to.Since cadence and motion state can be not against positioningInformation, and only need accurately be determined according to the mobile terminal own module data collected, pass through in this wayIn real time, accurately motion state and cadence, can match and motion state and cadence from the step-length key-value pair learntCorresponding step-length, under different motion states and cadence, the step-length determined can change accordingly, it is possible thereby to logicalIt crosses Stride length and frequency and accurately calculates move distance, improve in the case where location information can not be relied on, the APP is determinedThe accuracy of move distance, user experience are good.
Example IV
In the present embodiment, will be described with to the mode of learning of the historical movement data it is specific refinement and it is excellentChange.
The processor 400 is specifically used for obtaining multiple location points to be determined, the position to be determined according to location informationPoint includes location parameter, speed parameter, the direction of motion and acquisition time；By speed parameter do not meet the first preset condition to truePoint deletion is set in positioning；According to location parameter, the direction of motion and acquisition time by remaining name placement to be determined, adjacent bit is determinedSet the time interval of an acquisition time, whether the difference of location interval meets the second preset condition, by incongruent position to be determinedSet point deletion；Remaining location point to be determined is linked in sequence into motion profile, uneven sliding rail will be formed in the motion profileThe position point deletion to be determined of mark part；Remaining position to be determined is determined as the position that alignment quality meets preset requirementPoint.
For example, carrying out Integrated Selection primarily directed to the residue location point to be determined after screening.
The time interval and location interval of adjacent location point to be determined are calculated, if the time interval of location point to be determined is poor(it can be judged using the statistical algorithms such as standard deviation or variance are sought) away from very little, and apart from difference very little, then it is assumed that instituteIt is more stable to state movement velocity of the user between these location points to be determined, can be retained.Otherwise, by position to be determinedPoint deletion.
Adjacent location point to be determined is connected to form motion profile as shown in Figure 3, two adjacent location points to be determinedA Directed Vector can be formed according to the direction of motion, then can calculate the vector angle of adjacent Directed Vector.If thisThe difference variation of a little vector angles is gentle, then it is assumed that for the motion profile of the user than more gentle, the user is rolled over doingLine movement or location information receive caused by interference.If it is not, will then form the position point deletion to be determined of unsmooth path portion.
1 to 9 totally nine location points to be determined are shared in Fig. 3.In 1 to 5 this five location points to be determined, Directed Vector23 and the angle of Directed Vector 34 be the excessive of not perfectly flat cunning, then 1 to 5 this five location points to be determined constitute uneven sliding railMark, it will be deleted.And in motion profile composed by 5 to 9 this five location points to be determined, the adjacent Directed Vector of every twoFixation is all compared in angle difference variation, such as about within 15 degree, then it is assumed that 5 to 9 this five location points to be determined are formedMotion profile belong to smooth motion profile.It can illustrate that the user moves along a relatively good route,And location information is not interfered strongly, and the location point to be determined for forming this componental movement track can retain.
In motion profile composed by the location point remained, the motion mode of the user is basicly stable, movement is fastBasicly stable, direction of motion variation is spent smoothly, among study.
Next, the optimization by description to the step-length key-value pair saved in memory.During study, step-length key assignmentsPair quantity will be more and more, it is appropriate to merge the accuracy that step-length key-value pair can be improved.Optionally, the embodiment of the present invention providesA kind of processor to the weighting merging treatment of step-length key-value pair.
The processor 400 is also used to determine that motion state is identical from the memory, and cadence difference is less than in advanceIf multiple step-length key-value pairs of difference；The multiple step-length key-value pair is weighted merging treatment, after obtaining a mergingStep-length key-value pair；The multiple step-length key-value pair is deleted from the memory, and the step-length key-value pair after the merging is protectedIt is stored in the memory.
For example, if the motion state of the first step-length key-value pair and the second step-length key-value pair is all the same, the first step-length keyThe cadence of value pair is that 1 step is per second, and the cadence of the second step-length key-value pair is that 1.1 steps are per second, then the first step-length key-value pair and secondThe cadence difference of step-length key-value pair is that 0.1 step is per second, if being less than preset difference (it is per second to be assumed to be 0.2 step), then canThe first step-length key-value pair and the second step-length key-value pair are weighted merging treatment, third step-length key-value pair is obtained.The placeReason device can delete the first step-length key-value pair and the second step-length key-value pair from the memory, and by third step-length key-value pairIt is saved in the memory.
The trigger condition of the weighting merging treatment of step-length key-value pair can be, if the step-length key-value pair saved in memoryThe excessive certain amount of number, be weighted merging treatment.It is also possible to when new study is to a step-length key-value pair, by thisPreviously stored step-length key-value pair is weighted merging treatment in step-length key-value pair and memory.
The embodiment of the invention also provides determining dbjective state corresponding relationship, target step number corresponding relationship and target rangeCorrecting mode during corresponding relationship.Optionally, the APP from the multiple state corresponding relationship, step number corresponding relationship andDistance correspondence transfers dbjective state corresponding relationship, target step number corresponding relationship and target range with overlapping time sectionCorresponding relationship determines step-length key-value pair with this, comprising:
If respective time interval is not exactly the same in target step number corresponding relationship and target range corresponding relationship, the placeImplement body is managed to be used to carry out corresponding compensated distance according to the difference between time interval.
The distance of compensation can difference between time interval it is related, certain distance can be accordingly increased, can also be withIt is corresponding to reduce certain distance.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass throughThe relevant hardware of program instruction is completed, and foregoing routine can be stored in a computer readable storage medium, which existsWhen execution, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned can be at least one in following mediaKind: read-only memory (English: read-only memory, abbreviation: ROM), RAM, magnetic or disk etc. are various to be can storeThe medium of program code.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment itBetween same and similar part may refer to each other, each embodiment focuses on the differences from other embodiments.For equipment and system embodiment, since it is substantially similar to the method embodiment, so describe fairly simple,The relevent part can refer to the partial explaination of embodiments of method.Equipment and system embodiment described above is only schematic, wherein unit may or may not be physically separated as illustrated by the separation member, it is shown as a unitComponent may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networksOn unit.Some or all of the modules therein can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.Those of ordinary skill in the art can understand and implement without creative efforts.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claimsSubject to.