CN108507581A - The method and device of stroke state prompt message is sent to user - Google Patents
The method and device of stroke state prompt message is sent to user Download PDFInfo
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- CN108507581A CN108507581A CN201710114918.2A CN201710114918A CN108507581A CN 108507581 A CN108507581 A CN 108507581A CN 201710114918 A CN201710114918 A CN 201710114918A CN 108507581 A CN108507581 A CN 108507581A
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- safe fence
- prompt message
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3605—Destination input or retrieval
- G01C21/362—Destination input or retrieval received from an external device or application, e.g. PDA, mobile phone or calendar application
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- Radar, Positioning & Navigation (AREA)
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- Automation & Control Theory (AREA)
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Abstract
The embodiment of the present application is applied to Internet technical field about a kind of method and device sending stroke state prompt message to user.The method includes：Obtain the guidance path from the origin of user to destination；Multiple reference points are chosen from the guidance path；Determine the safe fence area for including the multiple reference point；After detecting that the location of described user is in outside the safe fence area, stroke state prompt message is sent to the corresponding terminal of the user.By the above process, it can determine the safe fence area for including multiple reference points on guidance path, the safe fence area is in strict conformity with the guidance path cooked up for passenger, accurately limit the safety zone that can be used for judging passenger safety, and then the safe fence area can be based on and send stroke state prompt message to user in time so that passenger safety during net about vehicle is protected.
Description
Technical field
This application involves Internet technical field more particularly to a kind of methods sending stroke state prompt message to user
And device.
Background technology
With the development of Internet technology, net about vehicle application facilitates the trip of people.In driver net is provided for passenger about
Vehicle service during, often will appear it is various cause passenger's unsafe condition (such as driver by passenger move to zone of ignorance reality
Apply robbery etc.), and then can not ensure safety of the passenger in Wang Yue garages journey.
Invention content
To overcome the problems in correlation technique, the embodiment of the present application provides a kind of to user's transmission stroke state prompt
The method and its device of information.
According to the embodiment of the present application in a first aspect, provide it is a kind of to user send stroke state prompt message method,
Including：
Obtain the guidance path from the origin of user to destination；
Multiple reference points are chosen from the guidance path；
Determine the safe fence area for including the multiple reference point；
After detecting that the location of described user is in outside the safe fence area, to the corresponding terminal of the user
Send stroke state prompt message.
According to the second aspect of the embodiment of the present application, a kind of device sending stroke state prompt message to user is provided,
Including：
Acquisition module, for obtaining the guidance path from the origin of user to destination；
Module is chosen, for choosing multiple reference points from the guidance path；
First determining module, for determining the safe fence area for including the multiple reference point；
Sending module, for after detecting that the location of described user is in outside the safe fence area, to described
The corresponding terminal of user sends stroke state prompt message.
Include the guidance path by choosing multiple reference points from guidance path, and determining in the embodiment of the present application
Multiple reference points can define passenger safe fence area in a safe condition, finally, detect residing for the user
After position is in outside the safe fence area, stroke state information is sent to the corresponding terminal of the user.In above process,
The safe fence area determined is more accurate, can accurately judge the safe condition of passenger, and when passenger is potentially unsafe, leads to
It crosses to user's transmission stroke state information and carrys out reminding passengers, to promote safety of the passenger in Wang Yue garages journey.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The application can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is in the embodiment of the present application for realizing the schematic diagram of a scenario of net about vehicle event；
Fig. 2 is a kind of stream of method sending stroke state prompt message to user shown according to an exemplary embodiment
Cheng Tu；
Fig. 3 a are a kind of scene graph in determining safe fence region shown according to an exemplary embodiment；
Fig. 3 b are the scene graph that safe fence region is determined according to the another kind shown in an exemplary embodiment；
Fig. 3 c are the scene graph that safe fence region is determined according to the another kind shown in an exemplary embodiment；
Fig. 4 is the structural schematic diagram according to a kind of electronic equipment shown in an exemplary embodiment；
Fig. 5 is a kind of frame of device sending stroke state prompt message to user shown according to an exemplary embodiment
Figure；
Fig. 6 is the block diagram according to the first determining module in the device shown in an exemplary embodiment；
Fig. 7 is according to another device for sending stroke state prompt message to user shown in an exemplary embodiment
Block diagram；
Fig. 8 is the device that another shown according to another exemplary embodiment sends stroke state prompt message to user
Block diagram；
Fig. 9 is the block diagram according to acquisition module in the device shown in an exemplary embodiment.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the embodiment of the present application.On the contrary, they be only with
The example of as detailed in the attached claim, the embodiment of the present application the consistent device and method of some aspects.
It is the purpose only merely for description specific embodiment in the term that the embodiment of the present application uses, is not intended to be limiting this
Apply for embodiment.The embodiment of the present application and the "an" of singulative used in the attached claims, " described " and
"the" is also intended to including most forms, unless context clearly shows that other meanings.It is also understood that art used herein
Language "and/or" refer to and include one or more associated list items purposes any or all may combine.
It will be appreciated that though various letters may be described using term first, second, third, etc. in the embodiment of the present application
Breath, but these information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example,
In the case where not departing from the embodiment of the present application range, the first information can also be referred to as the second information, similarly, the second information
It can also be referred to as the first information.Depending on context, word as used in this " if " can be construed to " ...
When " or " when ... " or " in response to determination ".
Fig. 1 is in the embodiment of the present application for realizing the schematic diagram of a scenario of net about vehicle event.As shown in Figure 1, in net about vehicle
It in event, is participated in by two kinds of roles of passenger and driver, wherein passenger and driver are the about automobile-used families of net.From electronic equipment angle
For, net about parking lot scape includes：Net about vehicle server 20, it is one or more being interacted with the net about vehicle server 20 and by
Passenger's end equipment 10 (or user equipment) that passenger uses and it is one or more being interacted with the net about vehicle server 20 and
The driver's end equipment 30 used by driver.Wherein, passenger's end equipment or driver's end equipment can be：Mobile phone or computer or PDA etc..
In net about vehicle event, a certain passenger for needing about vehicle can be initiated by passenger's end equipment 10 that it is used from certain origin to certain
The about vehicle of destination is asked, and hereafter, net about vehicle server 20 receives this about after vehicle request, can be according to certain rule (such as distance
Priority rule, time-consuming priority rule etc.) to one or more driver's end equipments 30 for meeting rule, it pushes the net about vehicle and asks
It asks, finally, driver can be confirmed whether to be ready order by driver's end equipment 30, be ready order if confirming, it is determined that certain department
The acknowledgement of consignment relationship of machine and certain passenger, and start about vehicle process.
Currently, passenger by net about vehicle mode is gone on a journey during, provide net about vehicle service in driver for passenger
During, often will appear it is various cause passenger's unsafe condition (such as driver by passenger move to zone of ignorance implement plunder
Deng), and then can not ensure safety of the passenger in Wang Yue garages journey.It is sent to user for this purpose, the embodiment of the present application proposition is a kind of
The method and apparatus of stroke state prompt message are identified with the unsafe condition to user, and are in recognizing user
Corresponding prompting message is sent out when unsafe condition carrys out early warning.
Fig. 2 is a kind of stream of method sending stroke state prompt message to user shown according to an exemplary embodiment
Cheng Tu.With reference to shown in Fig. 2, which can be applied to above-mentioned net about vehicle server
20, this method comprises the following steps 101~104, wherein：
In a step 101, the guidance path from the origin of user to destination is obtained.
Passenger can be inputted by the net about vehicle applications client installed in user equipment that it is used origin information and
Destination information, and the net about vehicle initiated from the origin to destination is asked.When thering is driver to be ready order and establish passenger
It, can be according to above-mentioned origin information and destination information, (such as according to preset rules after the acknowledgement of consignment relationship of driver：Distance
Priority rule takes minimum rule, avoids congestion rule etc.) cook up at least one from origin to destination can routing
Diameter.Wherein it is possible to plan guidance path using preset map data base.
In an alternative embodiment, above-mentioned steps 101 may particularly include：
Step 1011：Origin and destination are determined according to stroke order；
In one embodiment, origin information and destination information can be obtained from the stroke order, and can basis
The origin information and destination information determine origin and destination.
Step 1012：According to the origin information and destination information of user, cook up from the origin to the mesh
Ground at least one path；
Step 1013：According to preset rules, a paths are chosen from least one path cooked up, and by institute
It states optimal path and is determined as the guidance path.Wherein, the preset rules include distance priority rule, take minimum rule,
Avoid congestion rule etc..Wherein, the preset rules can be the rule of system default, can also be passenger or driver individual institute
The selected rule of personalization.Certainly, in alternative embodiment, passenger can also select manually after initiating net about vehicle request
A paths are selected as the guidance path.
In addition, in another alternative embodiment, can also cook up from origin to destination at least one can routing
Diameter, and one or more at least one optional path cooked up is determined as the guidance path.
In a step 102, multiple reference points are chosen from the guidance path；
In an alternative embodiment, in step 1021, according to default reconnaissance rule, choose more on the guidance path
A reference point, the multiple reference point constitute a point set.
In one embodiment, multiple references can be chosen from the guidance path according to pre-determined distance interval (such as 100 meters)
Point (selecting a point as a reference point every 100 meters) using modes such as random selecting points, is not herein restricted this.
Fig. 3 a are a kind of scene graph in determining safe fence region shown according to an exemplary embodiment.Such as Fig. 3 a institutes
Show, it is assumed that the origin of occupant set is location point W0, destination be location point W4 can rule go out from origin W0 to destination
The navigation routine 100 of W4 then can take random selecting point principle, include point W0~W7 in the selection of above-mentioned target navigation route 100
13 reference points, the available point set Z being made of this 13 reference points.
Fig. 3 b are a kind of scene graph in determining safe fence region shown according to an exemplary embodiment.Such as Fig. 3 b institutes
Show, it is assumed that the origin of occupant set is location point P0, and destination is location point P8, can rule go out from origin P0 to destination
The target navigation route 200 of P8 then can take random selecting point principle, in 200 selected element P0~P8 of above-mentioned target navigation route
For reference point, the available point set Q being made of reference point P0~P8.
In step 103, the safe fence area for including the multiple reference point is determined.
In one embodiment of the application, above-mentioned steps 103 can specifically include step 1031 and step 1032, wherein：
In step 1031, determine at least using the part reference point in the multiple reference point as the polygon area on vertex
Domain, the polygonal region include the multiple reference point.
In one embodiment, partial dot can be randomly selected in the reference point, determined with the partial dot being selected
For the polygonal region on vertex so that the region may include the multiple reference point.For example, embodiment shown in Fig. 3 a, it can
Determine the polygon that line segment Q0Q1, line segment Q1Q2, line segment Q2Q3, line segment Q3Q6, line segment Q6Q7 and line segment Q7Q0 are surrounded.
In another embodiment, it can be based on preset algorithm, determine the polygon for each reference point concentrated comprising the point
Region.The preset algorithm is used to, according to point set, determine a geographic area for more suitably including all reference points.At this
Apply in an embodiment, the preset algorithm can be convex closure (Convex Hull) algorithm.Correspondingly, determining polygonal region
It is then Convex Polygon Domain.
For the point set Q comprising several reference points, the convex closure of point set Q refers to a minimal convex polygon, meets appointing in Q
A reference point of anticipating is on the side of the convex polygon or in the convex polygon.And the algorithm of convex hull is to be used for root
Position of the every bit in plane domain is concentrated at strong point, determines the algorithm of a minimal convex polygon.Common algorithm of convex hull example
Such as：Graham scanning methods, Jarvis step-by-step methods, Melkman algorithms, divide and conquer, method of exhaustion etc..
About the polygonal region, can be convex polygon or non-convex polygon or other can include the multiple
The non-regular shape of reference point.Certainly, when polygonal region be convex polygon when, it may be determined that a relative area it is larger and
The region that multiple reference points can be included, to avoid the polygonal region because defined by too small without covering certain safety
Path point or region, caused information report problem by mistake.
Shown in Fig. 3 a, it is based on algorithm of convex hull, the convex closure finally determined is：Line segment P0P1, line segment P1P2, line
The convex polygon that section P2P3, line segment P3P6, line segment P6P7, line segment P7P8 and line segment P8P0 are surrounded.
Wherein, it is vertex that the convex closure, which is the part reference point in the multiple reference points determined based on the algorithm of convex hull,
Polygonal region.
In step 1032, according to the polygonal region, the safe fence area is determined.
In one embodiment of the application, due to during practical net about vehicle, passenger or driver have certain probability not by
It advances according to the navigation routine originally cooked up.For example, passenger changes situations such as destination or construction of certain section temporarily, and meeting
When to these situations, if judging whether user is in unsafe condition also according to originally determining safe fence region,
Obviously less rationally.For this purpose, in one embodiment of the application, it is contemplated that above-mentioned factor can be according to default to ensure accuracy
Ratio is (such as：1.2 times) polygonal region is expanded, obtain safe fence area.For example, shown in ginseng Fig. 3 b, by line segment P0P1,
The convex polygon that line segment P1P2, line segment P2P3, line segment P3P6, line segment P6P7, line segment P7P8 and line segment P8P0 are surrounded expands,
It obtains positioned at the safe fence area (convex polygon shown in dotted line in figure) of convex polygon periphery, and in safe fence area
The central point of heart point and convex polygon needs are to overlap.
In the application other embodiment, still by the polygonal region be convex closure for illustrate, can directly by
The convex closure determined by algorithm of convex hull is used as safe fence area.In addition, the step of determining packet safe fence area according to the convex closure
It is not limited to the above embodiments, for example, finally determining safe fence area can be the other arbitrary shapes being located at outside convex closure
Region, it is only necessary to it is bigger than the area of this convex closure.
By algorithm of convex hull, the size in the safe fence area finally determined can be made more suitable, be unlikely to
Because the area in the safe fence area determined is too small, and causes to erroneously determine that user is in unsafe condition, Huo Zheyin
Area for the safe fence area determined is excessive, and leads to not user is practical and nothing when in unsafe condition
Method detects.
It should be noted that the above-mentioned process that safe fence area is determined according to convex closure, for the polygon area of other shapes
Domain is equally applicable, and is not repeated herein.
Fig. 3 c are the scene graph that safe fence region is determined according to another shown in an exemplary embodiment.Such as Fig. 3 c institutes
Show, in an alternative embodiment, above-mentioned steps 103 may include step 1033 and step 1034, wherein：
In step 1033, using the every bit on guidance path as the center of circle, circle is drawn respectively using pre-determined distance value as radius.Its
In, the pre-determined distance value is pre-set length value (such as 5 meters).
In step 1034, according to the every bit using on guidance path as the center of circle, using pre-determined distance value as radius point
The circle that do not draw is determined comprising every bit safe fence area on the guidance path.
After above-mentioned steps 1033 draw to justify, these covered regions of circle institute can be determined as safe fence area.
It should be noted that after determining guidance path, can also be selected by the navigation according to the guidance path
The point set of several reference points composition on path, and each reference point concentrated using the point draws circle, and then basis as the center of circle respectively
These circles determine the safe fence area for including every bit on guidance path so that outside the boundary line in safe fence area and the side of each circle
It cuts.
It is illustrated in conjunction with Fig. 3 c, for example, determining origin E to the guidance path S between the F of destination2Later, with S2
11 reference points of upper selection are the center of circle, draw to obtain 11 circles for 10 meters with pre-determined distance value, are connected respectively by this 11 round outsides
Connect two boundary lines so that two boundary lines are circumscribed with the both sides of each circle respectively, will by two boundary lines and
The region of circle composition at two-end-point is as safe fence area.
Merely exemplary introductory section is used to, according to navigation routine, determine safe fence corresponding with navigation routine herein
Area, it may occur to persons skilled in the art that other feasible patterns, are no longer introduced one by one herein.
At step 104, after detecting that the location of described user is in outside the safe fence area, to the use
The corresponding terminal in family sends stroke state prompt message.
The stroke state prompt message includes following at least one：Indicate the location of described user in safe fence
Prompt message except area；Indicate the prompt message of the location of described user；Indicate that the user deviates the navigation road
The prompt message of diameter.
In the embodiment of the present application, it can be obtained by GPS (Global Positioning System, global positioning system)
The location for the user equipment that user uses.
With continued reference to Fig. 3 b, for the safe fence area (convex polygon that i.e. dotted line surrounds in figure) finally determined, if
It, can be to the corresponding terminal hair of the user after detecting that the real time position of user is located at outside the convex polygon that the dotted line surrounds
Journey of seeing off condition prompting information.
Wherein, the user, that is, passenger, passenger's end equipment that the user equipment, that is, passenger uses.
The stroke state prompt message can also include：Short message, the APP based on the push of about vehicle client application disappear
Breath, such as：" the safe fence area cooked up is deviateed, whether you approve that the deviation acts”.
In one embodiment, after above-mentioned steps 104, it can comprise further steps 105.
Step 105：If receiving the user for the feedback command of the stroke state prompt message, the use is determined
Family is in unsafe condition, and the feedback command indicates that the user is in unsafe condition.
Passenger after the stroke state prompt message for receiving net about vehicle server push, can by click " approval " or
The function key of " not approving ", to trigger different instructions, if user is practically at safe condition (such as modification path temporarily),
Can then click " approval ", hereafter net about vehicle server determines passenger safety, and if passenger is invaded, can click
" not approving ", hereafter net about vehicle server just determines that passenger is dangerous, and enters and alarm or passenger is guided to enter flash appeal stream
Cheng Jinhang seeks help.
In another embodiment of the application, after above-mentioned steps 104, it can also include the following steps 106：
Step 106：If not receiving the instruction of the user equipment feedback in preset duration, determine that the user is in
Unsafe condition.Wherein it is possible to which it is 5 minutes to set preset duration, if user is in except safe fence area, and work as net about vehicle
Server was into 5 minutes after user's transmission prompt message, and there is no sent out to server of dispatching a car by its terminal device by user
Any feedback command is sent, then shows that the user very maximum probability has been in unsafe condition (such as going into a coma).
Include the guidance path by choosing multiple reference points from guidance path, and determining in the embodiment of the present application
Multiple reference points can define passenger safe fence area in a safe condition, finally, detect residing for the user
After position is in outside the safe fence area, stroke state information is sent to the corresponding terminal of the user.In above process,
The safe fence area determined is more accurate, can accurately judge the safe condition of passenger, and when passenger is potentially unsafe, leads to
It crosses to user's transmission stroke state information and carrys out reminding passengers, to promote safety of the passenger in Wang Yue garages journey.
Corresponding with the embodiment of method of stroke state prompt message is sent, the embodiment of the present application also provides send stroke
The embodiment of the device of condition prompting information, is introduced below with reference to Fig. 4~Fig. 9.
Fig. 4 is the schematic diagram according to a kind of electronic equipment shown in an exemplary embodiment.Referring to FIG. 4, in hardware layer
Face, the electronic equipment include processor, internal bus, network interface, memory and nonvolatile memory, are also possible to wrap certainly
Include the required hardware of other business.Processor is right in corresponding computer program to memory from being read in nonvolatile memory
After run, the device of above-mentioned transmission stroke state prompt message is formed on logic level.Certainly, in addition to software realization mode it
Outside, other realization methods, such as the mode etc. of logical device or software and hardware combining is not precluded in the application, that is to say, that with
The executive agent of lower process flow is not limited to each logic unit, can also be hardware or logical device.
Fig. 5 is a kind of transmission stroke state prompt message device of the embodiment of the present application shown according to an exemplary embodiment
Block diagram, as shown in figure 5, described device may include acquisition module 201, choose module 202, the first determining module 203, send
Module 204, wherein：
Acquisition module 201, for obtaining the guidance path from the origin of user to destination；
Passenger can be inputted by the net about vehicle applications client installed in user equipment that it is used origin information and
Destination information, and the net about vehicle initiated from the origin to destination is asked.When thering is driver to be ready order and establish passenger
It, can be according to above-mentioned origin information and destination information, (such as according to preset rules after the acknowledgement of consignment relationship of driver：Distance
Priority rule takes minimum rule, avoids congestion rule etc.) cook up at least one from origin to destination can routing
Diameter.Wherein it is possible to plan optional path using preset map data base.
In the embodiment of the present application, the preset rules include distance priority rule, take minimum rule, avoid congestion rule
Deng.Wherein, the preset rules can be the rule of system default, and can also be that the personal institute of passenger or driver is personalized selectes
Rule.Certainly, in alternative embodiment, passenger can also manually select paths work after initiating net about vehicle request
For the guidance path.
Module 202 is chosen, for choosing multiple reference points from the guidance path；
In one embodiment of the application, multiple reference points can be chosen from the guidance path according to pre-determined distance interval
(selecting a point as a reference point at a certain distance) or random selecting point etc., are not herein restricted this.
Fig. 3 a are a kind of scene graph in determining safe fence region shown according to an exemplary embodiment.Such as Fig. 3 a institutes
Show, it is assumed that the origin of occupant set is location point W0, destination be location point W4 can rule go out from origin W0 to destination
The navigation routine 100 of W4 then can take random selecting point principle, include point W0~W7 in the selection of above-mentioned target navigation route 100
13 reference points, the available point set Z being made of this 13 reference points.
Fig. 3 b are a kind of scene graph in determining safe fence region shown according to an exemplary embodiment.Such as Fig. 3 b institutes
Show, it is assumed that the origin of occupant set is location point P0, and destination is location point P8, can rule go out from origin P0 to destination
The target navigation route 100 of P8 then can take random selecting point principle, in 100 selected element P0~P8 of above-mentioned target navigation route
For reference point, the point set Q being made of reference point P0~P8 is obtained.
First determining module 203, for determining the safe fence area for including the multiple reference point；
Sending module 204, for after detecting that the location of described user is in outside the safe fence area, to institute
It states the corresponding terminal of user and sends stroke state prompt message.
The stroke state prompt message includes following at least one：Indicate the location of described user in safe fence
Prompt message except area；Indicate the prompt message of the location of described user；Indicate that the user deviates the navigation road
The prompt message of diameter.
In the embodiment of the present application, it can be obtained by GPS (Global Positioning System, global positioning system)
The real time position for the user equipment that user uses, i.e. the location of user.
As shown in fig. 6, in applying for an embodiment, the acquisition module 201 can specifically include：
Third determination sub-module 2011, for determining origin and destination according to the stroke order of user；
Submodule 2012 is planned, for cooking up at least one optional path from the origin to the destination；
Choose submodule 2013, for chosen from least one optional path cooked up a paths be used as from
The guidance path of origin to destination.
As shown in fig. 7, in applying for an embodiment, first determining module 203 can specifically include：
First determination sub-module 2031, for determining at least using the part reference point in the multiple reference point as vertex
Polygonal region, the polygonal region include the multiple reference point；
Second determination sub-module 2032, for according to the polygonal region, determining the safe fence area.
Wherein, first determination sub-module 2031 can be used for being based on preset algorithm, determine comprising the every of the point concentration
The polygonal region of one reference point.
Preset algorithm is used to determine one according to point set, and more suitably the geographic area comprising all reference points (is pacified
Full fence area).
In one embodiment, first determination sub-module 2031 can specifically include：
Convex closure determination unit determines the corresponding convex closure of the point set for being based on algorithm of convex hull.
Safe fence area determination unit, for according to the convex closure, determining the safe fence area for including the convex closure.
Wherein, it is vertex that the convex closure, which is the part reference point in the multiple reference points determined based on the algorithm of convex hull,
Polygonal region.
In one embodiment of the application, the preset algorithm can be convex closure (Convex Hull) algorithm.It is calculated by convex closure
Method can make the size in the safe fence area finally determined more suitable, be unlikely to the safety because being determined
The area in fence area is too small, and causes to erroneously determine that user is in unsafe condition, or because the safety determined is enclosed
The area in column area is excessive, and leads to not practical and can not detect when in unsafe condition in user.
In one embodiment of the application, due to during practical net about vehicle, passenger or driver have certain probability not by
It advances according to the navigation routine originally cooked up.For example, passenger changes situations such as destination or construction of certain section temporarily, and meeting
When to these situations, if judging whether user is in unsafe condition also according to originally determining safe fence region,
Obviously less rationally.For this purpose, in one embodiment of the application, it is contemplated that above-mentioned factor can be according to default to ensure accuracy
Ratio is (such as：1.2 times) convex closure is expanded, obtain safe fence area.For example, shown in ginseng Fig. 3 b, by line segment P0P1, line segment
The convex polygon that P1P2, line segment P2P3, line segment P3P6, line segment P6P7, line segment P7P8 and line segment P8P0 are surrounded expands, and obtains
Safe fence area (convex polygon shown in dotted line in figure) positioned at convex polygon periphery, and the central point in safe fence area
Central point needs with the convex polygon are to overlap.
In the application other embodiment, still by the polygonal region be convex closure for illustrate, can directly by
The convex closure determined by algorithm of convex hull is used as safe fence area.In addition, the step of determining packet safe fence area according to the convex closure
It is not limited to the above embodiments, for example, finally determining safe fence area can be the other arbitrary shapes being located at outside convex closure
Region, it is only necessary to it is bigger than the area of this convex closure.
It should be noted that the above-mentioned process that safe fence area is determined according to convex closure, for the polygon area of other shapes
Domain is equally applicable, and is not repeated herein.
Fig. 8 is the embodiment of the present application according to another to user's transmission stroke state prompt shown in an exemplary embodiment
The block diagram of the device of information, as shown in fig. 7, on the basis of device embodiment shown in Fig. 5, described device can also include second
Determining module 205：
Second determining module 205, for referring to for the feedback of the stroke state prompt message receiving the user
When enabling, determine that the user is in unsafe condition, the feedback command indicates that the user is in unsafe condition.
Wherein, the user, that is, passenger, passenger's end equipment that the user equipment, that is, passenger uses.
The stroke state prompt message can also include：Short message, the APP based on net about vehicle client application push
Message, such as：" the safe fence area cooked up is deviateed, whether you approve that the deviation acts”.
Passenger can pass through click " approval " or " not approving " after receiving the net about prompt message of vehicle server push
Function key, can point if user is practically at safe condition (such as modification path) temporarily to trigger different instructions
Hit " approval ", hereafter net about vehicle server determines passenger safety, and if passenger is invaded, can click " not approving ",
Hereafter net about vehicle server just determines that passenger is dangerous, and enters alarm or passenger is guided to enter flash appeal flow and seek help
Deng.
Fig. 9 is the embodiment of the present application according to another to user's transmission stroke state prompt shown in an exemplary embodiment
The block diagram of the device of information, as shown in figure 9, on the basis of device embodiment shown in Fig. 5, described device can also include third
Determining module 206：
Third determining module 206, for not receiving the user answering for the prompt message in preset duration
When answering, determine that the user is in unsafe condition.
Wherein it is possible to it is 5 minutes to set preset duration, if user is in except safe fence area, and when net about vehicle takes
Device be engaged in into 5 minutes after user's transmission prompt message, there is no sent to server of dispatching a car by its terminal device by user
Any feedback command then shows that the user very maximum probability has been in unsafe condition (such as going into a coma).
In the present embodiment, its end used can whether be operated in preset duration (such as 5 minutes) by monitoring passenger
End equipment (such as mobile phone) determines if safety.Usually, during about vehicle, the net end that about vehicle server and passenger use
End equipment can keep connecting, and detect whether to be operated by the terminal device that passenger uses, if the terminal device that visitor uses is 5
Any operation that passenger is not all detected in minute, then can report this information, so that net is about to net about vehicle server
Vehicle server determines that passenger is in unsafe condition.
Include the guidance path by choosing multiple reference points from guidance path, and determining in the embodiment of the present application
Multiple reference points can define passenger safe fence area in a safe condition, finally, detect residing for the user
After position is in outside the safe fence area, stroke state information is sent to the corresponding terminal of the user.In above process,
The safe fence area determined is more accurate, can accurately judge the safe condition of passenger, and when passenger is potentially unsafe, leads to
It crosses to user's transmission stroke state information and carrys out reminding passengers, to promote safety of the passenger in Wang Yue garages journey.
It should be noted that the content of embodiment of the method described herein and the content of device embodiment, what is do not collided
In the case of, it can complement one another.
For device embodiments, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein being used as separating component explanation
Unit may or may not be physically separated, the component shown as unit may or may not be
Physical unit, you can be located at a place, or may be distributed over multiple network units.It can be according to the actual needs
Some or all of module therein is selected to realize the purpose of application scheme.Those of ordinary skill in the art are not paying wound
In the case that the property made is worked, you can to understand and implement.
Those skilled in the art will readily occur to its of the application after considering specification and putting into practice disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the application, these modifications, purposes or
Person's adaptive change follows the general principle of the application and includes the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the application are by following
Claim is pointed out.
It should be understood that the application is not limited to the precision architecture for being described above and being shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Claims (17)
1. a kind of method sending stroke state prompt message, which is characterized in that the method includes：
Obtain the guidance path from the origin of user to destination；
Multiple reference points are chosen from the guidance path；
Determine the safe fence area for including the multiple reference point；
After detecting that the location of described user is in outside the safe fence area, sent to the corresponding terminal of the user
Stroke state prompt message.
2. according to the method described in claim 1, it is characterized in that, described choose multiple reference points from the guidance path,
Including：
According to pre-determined distance interval, multiple reference points are chosen from the guidance path.
3. according to the method described in claim 1, it is characterized in that, the determination includes the safe fence of the multiple reference point
Area, including：
It determines at least using the part reference point in the multiple reference point as the polygonal region on vertex, the polygonal region packet
Containing the multiple reference point；
According to the polygonal region, the safe fence area is determined.
4. according to the method described in claim 3, it is characterized in that, the polygonal region is Convex Polygon Domain.
5. according to the method described in claim 3, it is characterized in that, described according to the polygonal region, the safety is determined
Fence area, including：
The polygonal region is determined as the safe fence area；Or,
The polygonal region is expanded into prearranged multiple, determines that safe fence area is the polygonal region after expanding.
6. according to the method described in claim 1, it is characterized in that, further including：
If receiving feedback command of the user for the stroke state prompt message, determine that the user is in dangerous
State, the feedback command indicate that the user is in unsafe condition.
7. according to the method described in claim 1, it is characterized in that, further including：
If not receiving response of the user for the prompt message in preset duration, determine that the user is in uneasiness
Total state.
8. according to the method described in claim 1, it is characterized in that, navigation of the acquisition from the origin of user to destination
Path, including：
Origin and destination are determined according to the stroke order of user；
Cook up at least one optional path from the origin to the destination；
A paths are chosen from least one optional path cooked up as the navigation road from origin to destination
Diameter.
9. method as claimed in any of claims 1 to 8, which is characterized in that the stroke state prompt message packet
Include following at least one：
Indicate prompt message of the location of the described user except safe fence area；
Indicate the prompt message of the location of described user；
Indicate that the user deviates the prompt message of the guidance path.
10. a kind of device sending stroke state prompt message, which is characterized in that described device includes：
Acquisition module, for obtaining the guidance path from the origin of user to destination；
Module is chosen, for choosing multiple reference points from the guidance path；
First determining module, for determining the safe fence area for including the multiple reference point；
Sending module, for after detecting that the location of described user is in outside the safe fence area, to the user
Corresponding terminal sends stroke state prompt message.
11. device according to claim 10, which is characterized in that the selection module is used for：
According to pre-determined distance interval, multiple reference points are chosen from the guidance path.
12. device according to claim 10, which is characterized in that the first determining module includes：
First determination sub-module, for determining at least using the part reference point in the multiple reference point as the polygon area on vertex
Domain, the polygonal region include the multiple reference point；
Second determination sub-module, for according to the polygonal region, determining the safe fence area.
13. device according to claim 12, which is characterized in that the polygonal region is Convex Polygon Domain.
14. device according to claim 12, which is characterized in that second determination sub-module is used for：
The polygonal region is determined as the safe fence area；Or,
The polygonal region is expanded into prearranged multiple, determines that safe fence area is the polygonal region after expanding.
15. device according to claim 10, which is characterized in that described device further includes：
Second determining module, for when receiving feedback command of the user for the stroke state prompt message, really
The fixed user is in unsafe condition, and the feedback command indicates that the user is in unsafe condition.
16. device according to claim 10, which is characterized in that described device further includes：
Third determining module, when for not receiving response of the user for the prompt message in preset duration, really
The fixed user is in unsafe condition.
17. device according to claim 10, which is characterized in that the acquisition module includes：
Third determination sub-module, for determining origin and destination according to the stroke order of user；
Submodule is planned, for cooking up at least one optional path from the origin to the destination；
Choose submodule, for chosen from least one optional path cooked up a paths be used as from origin to
The guidance path of destination.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710114918.2A CN108507581A (en) | 2017-02-28 | 2017-02-28 | The method and device of stroke state prompt message is sent to user |
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|---|---|---|---|
| CN201710114918.2A CN108507581A (en) | 2017-02-28 | 2017-02-28 | The method and device of stroke state prompt message is sent to user |
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| CN201710114918.2A Pending CN108507581A (en) | 2017-02-28 | 2017-02-28 | The method and device of stroke state prompt message is sent to user |
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| CN113473375B (en) * | 2021-07-01 | 2022-07-01 | 西安邮电大学 | Method and system for guaranteeing safety of field personnel based on dynamic position sharing |
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