CN105447078A - Method and apparatus for identifying state of getting lost under condition of unknown destination - Google Patents
Method and apparatus for identifying state of getting lost under condition of unknown destination Download PDFInfo
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- CN105447078A CN105447078A CN201510741214.9A CN201510741214A CN105447078A CN 105447078 A CN105447078 A CN 105447078A CN 201510741214 A CN201510741214 A CN 201510741214A CN 105447078 A CN105447078 A CN 105447078A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- G06F16/245—Query processing
- G06F16/2455—Query execution
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Abstract
The present invention provides a method and apparatus for identifying a state of getting lost under the condition of an unknown destination, which can identify whether a traveler gets lost. The method comprises: acquiring travel data of the traveler; and determining whether the travel data exceeds a preset travel data change range, and if the travel data exceeds the preset travel data change range, determining that the traveler gets lost. The apparatus comprises: an acquisition module used for acquiring the travel data of the traveler; and a first determination module used for determining whether the travel data exceeds the preset travel data change range, and if the travel data exceeds the preset travel data change range, determining that the traveler gets lost. The method and apparatus provided by the present invention are applicable to the technical field of intelligent transportation.
Description
Technical field
The present invention relates to technical field of intelligent traffic, refer to wander away discrimination method and the device of the unknown of a kind of destination especially.
Background technology
In recent years, event of wandering away frequently occurs.For this event, at present, utilize the anti-system of wandering away based on the navigational system such as video monitoring system, GPS, and the situation of wandering away is reported to the police by the communication function of anti-system of wandering away and processes, such as, anti-localization method and the device of wandering away of a kind of specific people is disclosed at 2014 invention disclosed patented claim CN201410315039.2; A kind of anti-wander-away device based on virtual fence and localization method thereof and purposes is disclosed at 2014 invention disclosed patented claim CN201410639167.2.The Related product of said method plays a role to anti-wandering away, there is certain effect, but these methods has certain limitation: need traveler walking to miss the season the communication function (not being suitable for underage child, patients of senile dementia, part special population and other dangerous situations) that can use and prevent system of wandering away, or need the cooperation of surrounding population; Need to set in system " safety zone ", and in safety zone wander away or danger can not be processed, simultaneously the safety zone of many travelers needs often amendment (forget amendment or arrange mistake and may cause comparatively serious consequence); Sometimes need active inquiry to carry out location, position to determine whether passerby wanders away, and section effective time of active inquiry is difficult to control in actual applications.
Summary of the invention
The technical problem to be solved in the present invention is to provide wander away discrimination method and the device of the unknown of a kind of destination, to solve the missing problem of traveler existing for prior art.
For solving the problems of the technologies described above, the embodiment of the present invention provides the discrimination method of wandering away of a kind of destination the unknown, comprising:
Obtain the trip data of traveler;
Judge whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away.
Further, described trip data comprises: traveler go out line position and time;
The trip data of described acquisition traveler comprises:
The trip data begun to current time is opened in the trip obtaining traveler, and stores described trip data.
Further, described method also comprises:
Judge whether the trip data of current time exceeds default duplicate paths trip position range;
If the trip data of described current time does not exceed default duplicate paths trip position range, then judge that described traveler is wandered away;
Wherein, described duplicate paths trip position range is the path domain close with the trip data got.
Further, describedly judge whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away and comprise:
According to the trip data of traveler, obtain the trip speed changing value of traveler in preset time period;
If the trip speed changing value of described traveler exceeds default trip speed variation range, then judge that described traveler is wandered away;
Wherein, described trip speed variation range is trip speed variation range in preset time period.
Further, describedly judge whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away and comprise:
According to the trip data of traveler, judge whether trip data continuous and identical on position in life period;
If exist, then add up the maximum time difference between described continuous in time and identical on position trip data;
If described maximum time difference exceeds default dead time scope, then judge that described traveler is wandered away;
Wherein, described dead time scope is trip dead time scope.
Further, describedly judge whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away and comprise:
According to the trip data of traveler, obtain the line direction that goes out of traveler in preset time period and change frequency;
If described in go out line direction and change frequency and exceed default direction and change frequency range, then judge that described traveler is wandered away;
Wherein, described direction changes frequency range is go out line direction in preset time period to change frequency range.
The embodiment of the present invention also provides the device for identifying of wandering away of a kind of destination the unknown, comprising:
Acquisition module, for obtaining the trip data of traveler;
First determination module, for judging whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judges that described traveler is wandered away.
Further, described trip data comprises: traveler go out line position and time;
Described acquisition module, the trip data begun to current time is opened in the trip specifically for obtaining traveler, and stores described trip data.
Further, described default trip data variation range comprises: the trip speed variation range preset, dead time scope and direction change frequency range;
Wherein, described trip speed variation range is trip speed variation range in preset time period; Described dead time scope is trip dead time scope; It is go out line direction in preset time period to change frequency range that described direction changes frequency range.
Further, described device also comprises: the second determination module;
Described second determination module, for judging whether the trip data of current time exceeds default duplicate paths trip position range;
If the trip data of described current time does not exceed default duplicate paths trip position range, then judge that described traveler is wandered away;
Wherein, described duplicate paths trip position range is the path domain close with the trip data got.
The beneficial effect of technique scheme of the present invention is as follows:
In such scheme, by obtaining the trip data of traveler; Judge whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away.Like this, by judging whether trip data exceeds default trip data variation range and pick out passerby and whether wander away, without the need to setting " safety zone ", do not need to be positioned position by active inquiry, use the help of communication function or surrounding population simultaneously without the need to traveler.
Accompanying drawing explanation
The process flow diagram of the discrimination method of wandering away of destination the unknown that Fig. 1 provides for the embodiment of the present invention;
The structural representation one of the device for identifying of wandering away of destination the unknown that Fig. 2 provides for the embodiment of the present invention;
The structural representation two of the device for identifying of wandering away of destination the unknown that Fig. 3 provides for the embodiment of the present invention.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed to the missing problem of existing traveler, wander away discrimination method and the device of the unknown of a kind of destination are provided.
Embodiment one
Shown in Fig. 1, the discrimination method of wandering away of a kind of destination the unknown that the embodiment of the present invention provides, comprising:
S1, obtains the trip data of traveler;
S2, judges whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judges that described traveler is wandered away.
The discrimination method of wandering away of the destination the unknown described in the embodiment of the present invention, by obtaining the trip data of traveler; Judge whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away.Like this, by judging whether trip data exceeds default trip data variation range and pick out passerby and whether wander away, without the need to setting " safety zone ", do not need to be positioned position by active inquiry, use the help of communication function or surrounding population simultaneously without the need to traveler.
Wander away in the embodiment of discrimination method in the unknown of aforementioned destination, further, described trip data comprises: traveler go out line position and time;
The trip data of described acquisition traveler comprises:
The trip data begun to current time is opened in the trip obtaining traveler, and stores described trip data.
In the embodiment of the present invention, described trip data comprises: traveler go out line position and time.Particularly, for the trip data of the traveler i of Real-time Obtaining, the trip data of the traveler i of Real-time Obtaining can be designated as (x
i, y
i, t
i), wherein, x
i, y
iwhat indicate passerby i goes out line position, t
ithe time that line position is corresponding is gone out described in expression.
In the embodiment of the present invention, the trip data begun to current time is opened in the trip obtaining traveler, and stores described trip data.Concrete, such as, the trip starting time of traveler i is t
is, corresponding trip data is (x
is, y
is, t
is); The trip current time of traveler i is t
iz, corresponding trip data is (x
iz, y
iz, t
iz), store the time period t of traveler i trip data
ifor [t
is, t
iz], it is time period t that described storage opens by trip the trip data begun to current time
ithe trip data of corresponding traveler i, is designated as data acquisition D by the trip data storing traveler i
i, D
icomprise location sets (X
i, Y
i), time set T
i.
Wander away in the embodiment of discrimination method in the unknown of aforementioned destination, further, described method also comprises:
Judge whether the trip data of current time exceeds default duplicate paths trip position range;
If the trip data of described current time does not exceed default duplicate paths trip position range, then judge that described traveler is wandered away;
Wherein, described duplicate paths trip position range is the path domain close with the trip data got.
In the embodiment of the present invention, first duplicate paths trip position range is assessed, setting duplicate paths trip position range value, described duplicate paths trip position range is the path domain close with the trip data got, and close degree is determined by path domain threshold value d.Such as, the numerical range selected of described path domain threshold value d is [0,100m], and the location sets of traveler i trip data is (X
i, Y
i), then described duplicate paths trip position range is (X
i-d, Y
i-d) ~ (X
i+ d, Y
i+ d).
In the embodiment of the present invention, the trip data of duplicate paths trip position range to traveler according to setting is analyzed.Concrete, determine the trip data (x of the current time of passerby i
iz, y
iz) whether be included in the duplicate paths trip position range (X of setting
i-d, Y
i-d) ~ (X
i+ d, Y
i+ d) in, if the trip data (x of current time
iz, y
iz) do not exceed described duplicate paths trip position range (X
i-d, Y
i-d) ~ (X
i+ d, Y
i+ d) time, then judge that passerby i wanders away.
Wander away in the embodiment of discrimination method in the unknown of aforementioned destination, further, describedly judge whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away and comprise:
According to the trip data of traveler, obtain the trip speed changing value of traveler in preset time period;
If the trip speed changing value of described traveler exceeds default trip speed variation range, then judge that described traveler is wandered away;
Wherein, described trip speed variation range is trip speed variation range in preset time period.
In the embodiment of the present invention, first assess trip speed variation range, setting trip speed variation range value, described trip speed variation range is trip speed variation range in preset time period.Such as, the numerical range selected of preset time period △ t be (0,1min], described trip speed variation range is [9km/h/ △ t, 80km/h/ △ t].
In the embodiment of the present invention, the trip speed of trip speed variation range to traveler according to setting is analyzed.Concrete, first, according to the trip data set D of traveler i
icalculate the real-time trip speed v of traveler i
i, in preset time period, trip speed is changed to v
i/ △ t is designated as △ v
i, judge △ v
iwhether exceed described trip speed variation range [9km/h/ △ t, 80km/h/ △ t]; If △ is v
iexceed described trip speed variation range [9km/h/ △ t, 80km/h/ △ t], then determine passerby i and wander away;
Wander away in the embodiment of discrimination method in the unknown of aforementioned destination, further, describedly judge whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away and comprise:
According to the trip data of traveler, judge whether trip data continuous and identical on position in life period;
If exist, then add up the maximum time difference between described continuous in time and identical on position trip data;
If described maximum time difference exceeds default dead time scope, then judge that described traveler is wandered away;
Wherein, described dead time scope is trip dead time scope.
In the embodiment of the present invention, first assess dead time scope, setting dead time value range, described dead time scope is trip dead time scope.Such as, the dead time scope t of setting
ofor [0,3min].
In the embodiment of the present invention, the dead time of dead time scope to traveler according to setting is analyzed.Concrete, according to traveler i trip data set D
ijudge whether trip data continuous and identical on position in life period, if existed, count the maximum time difference t between these trip datas
n, judge described maximum time difference t
nwhether exceed default dead time scope t
o[0,3min], if described maximum time difference t
nexceed described dead time scope t
o[0,3min], then determine passerby i and wander away;
Wander away in the embodiment of discrimination method in the unknown of aforementioned destination, further, describedly judge whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away and comprise:
According to the trip data of traveler, obtain the line direction that goes out of traveler in preset time period and change frequency;
If described in go out line direction and change frequency and exceed default direction and change frequency range, then judge that described traveler is wandered away;
Wherein, described direction changes frequency range is go out line direction in preset time period to change frequency range.
In the embodiment of the present invention, first change frequency range to direction and assess, direction initialization changes frequency range values, and it is go out line direction in preset time period to change frequency range that described direction changes frequency range.Such as, in above-mentioned preset time period △ t, go out line direction change frequency range for [0,3].
In the embodiment of the present invention, change the go out line direction change frequency of frequency range to traveler according to the direction of setting and analyze.Concrete, first, according to traveler i trip data set D
iwhat calculate passerby i goes out line direction θ
i, θ
ifor the location sets (X of traveler i trip data
i, Y
i) the angle of coordinate axis x, θ
ivalue be divided into four intervals according to coordinate axis, work as θ
ivalue cross over adjacent two interval time, the line direction that goes out of traveler i changes 1 time, the trip starting time t of traveler i
isto current time t
izgo out line direction change number of times be designated as f
i, according to above-mentioned preset time period △ t, traveler i go out line direction change frequency be f
i/ △ t, judges f
iwhether/△ t exceeds in preset time period △ t goes out line direction change frequency range [0,3], if described f
i/ △ t exceed in preset time period △ t go out line direction change frequency range [0,3], then determine passerby i and wander away.
Embodiment two
The present invention also provides the embodiment of the device for identifying of wandering away of a kind of destination the unknown, because the device for identifying of wandering away of destination provided by the invention the unknown is corresponding with the embodiment of the discrimination method of wandering away of aforementioned destination the unknown, the device for identifying of wandering away of this destination the unknown can realize object of the present invention by the process step performed in said method embodiment, therefore the explanation explanation of wandering away in discrimination method embodiment of above destination the unknown, also the embodiment of the device for identifying of wandering away of destination provided by the invention the unknown is applicable to, to repeat no more in embodiment below the present invention.
Shown in Fig. 2, the embodiment of the present invention also provides the device for identifying of wandering away of a kind of destination the unknown, comprising:
Acquisition module 101, for obtaining the trip data of traveler;
First determination module 102, for judging whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judges that described traveler is wandered away.
The device for identifying of wandering away of the destination the unknown described in the embodiment of the present invention, obtains the trip data of traveler by acquisition module; Judge whether described trip data exceeds default trip data variation range by the first determination module, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away.By judging whether trip data exceeds default trip data variation range and pick out passerby and whether wander away, without the need to setting " safety zone ", do not need to be positioned position by active inquiry, use the help of communication function or surrounding population simultaneously without the need to traveler.
Wander away in the embodiment of device for identifying in the unknown of aforementioned destination, further, described trip data comprises: traveler go out line position and time;
Described acquisition module, the trip data begun to current time is opened in the trip specifically for obtaining traveler, and stores described trip data.
Wander away in the embodiment of device for identifying in the unknown of aforementioned destination, further, described default trip data variation range comprises: the trip speed variation range preset, dead time scope and direction change frequency range;
Wherein, described trip speed variation range is trip speed variation range in preset time period; Described dead time scope is trip dead time scope; It is go out line direction in preset time period to change frequency range that described direction changes frequency range.
Wander away in the embodiment of device for identifying, further, referring to figure in the unknown of aforementioned destination
Shown in 3, described device also comprises: the second determination module 103;
Described second determination module 103, for judging whether the trip data of current time exceeds default duplicate paths trip position range;
If the trip data of described current time does not exceed default duplicate paths trip position range, then judge that described traveler is wandered away;
Wherein, described duplicate paths trip position range is the path domain close with the trip data got.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the discrimination method of wandering away of destination the unknown, is characterized in that, comprising:
Obtain the trip data of traveler;
Judge whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judge that described traveler is wandered away.
2. method according to claim 1, is characterized in that, described trip data comprises: traveler go out line position and time;
The trip data of described acquisition traveler comprises:
The trip data begun to current time is opened in the trip obtaining traveler, and stores described trip data.
3. method according to claim 2, is characterized in that, also comprises:
Judge whether the trip data of current time exceeds default duplicate paths trip position range;
If the trip data of described current time does not exceed default duplicate paths trip position range, then judge that described traveler is wandered away;
Wherein, described duplicate paths trip position range is the path domain close with the trip data got.
4. method according to claim 1, is characterized in that, describedly judges whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judges that described traveler is wandered away and comprises:
According to the trip data of traveler, obtain the trip speed changing value of traveler in preset time period;
If the trip speed changing value of described traveler exceeds default trip speed variation range, then judge that described traveler is wandered away;
Wherein, described trip speed variation range is trip speed variation range in preset time period.
5. method according to claim 1, is characterized in that, describedly judges whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judges that described traveler is wandered away and comprises:
According to the trip data of traveler, judge whether trip data continuous and identical on position in life period;
If exist, then add up the maximum time difference between described continuous in time and identical on position trip data;
If described maximum time difference exceeds default dead time scope, then judge that described traveler is wandered away;
Wherein, described dead time scope is trip dead time scope.
6. method according to claim 1, is characterized in that, describedly judges whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judges that described traveler is wandered away and comprises:
According to the trip data of traveler, obtain the line direction that goes out of traveler in preset time period and change frequency;
If described in go out line direction and change frequency and exceed default direction and change frequency range, then judge that described traveler is wandered away;
Wherein, described direction changes frequency range is go out line direction in preset time period to change frequency range.
7. the device for identifying of wandering away of destination the unknown, is characterized in that, comprising:
Acquisition module, for obtaining the trip data of traveler;
First determination module, for judging whether described trip data exceeds default trip data variation range, if described trip data exceeds default trip data variation range, then judges that described traveler is wandered away.
8. device according to claim 7, is characterized in that, described trip data comprises: traveler go out line position and time;
Described acquisition module, the trip data begun to current time is opened in the trip specifically for obtaining traveler, and stores described trip data.
9. device according to claim 7, is characterized in that, described default trip data variation range comprises: the trip speed variation range preset, dead time scope and direction change frequency range;
Wherein, described trip speed variation range is trip speed variation range in preset time period; Described dead time scope is trip dead time scope; It is go out line direction in preset time period to change frequency range that described direction changes frequency range.
10. device according to claim 7, is characterized in that, also comprises: the second determination module;
Described second determination module, for judging whether the trip data of current time exceeds default duplicate paths trip position range;
If the trip data of described current time does not exceed default duplicate paths trip position range, then judge that described traveler is wandered away;
Wherein, described duplicate paths trip position range is the path domain close with the trip data got.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741214.9A CN105447078A (en) | 2015-11-04 | 2015-11-04 | Method and apparatus for identifying state of getting lost under condition of unknown destination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741214.9A CN105447078A (en) | 2015-11-04 | 2015-11-04 | Method and apparatus for identifying state of getting lost under condition of unknown destination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105447078A true CN105447078A (en) | 2016-03-30 |
Family
ID=55557256
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510741214.9A Pending CN105447078A (en) | 2015-11-04 | 2015-11-04 | Method and apparatus for identifying state of getting lost under condition of unknown destination |
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|---|---|---|---|---|
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| CN102103784A (en) * | 2011-02-21 | 2011-06-22 | 惠州Tcl移动通信有限公司 | Anti-missing monitoring system and implementation method thereof |
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| CN103942917A (en) * | 2014-05-07 | 2014-07-23 | 四川宝英光电有限公司 | Safe monitoring system |
| US8952806B2 (en) * | 2002-05-08 | 2015-02-10 | Resource Consortium Limited | Method and system for remotely monitoring a user |
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2015
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|---|---|---|---|---|
| US8952806B2 (en) * | 2002-05-08 | 2015-02-10 | Resource Consortium Limited | Method and system for remotely monitoring a user |
| CN1665168A (en) * | 2004-03-04 | 2005-09-07 | 乐金电子(中国)研究开发中心有限公司 | A warning system and method of many mobile communication terminals' the old and weak people lost |
| CN102103784A (en) * | 2011-02-21 | 2011-06-22 | 惠州Tcl移动通信有限公司 | Anti-missing monitoring system and implementation method thereof |
| CN102279405A (en) * | 2011-03-23 | 2011-12-14 | 惠州Tcl移动通信有限公司 | Alarm realization system based on positional information of controlled mobile terminal and method thereof |
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Application publication date: 20160330 |
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