CN109671244A - A kind of dangerous tip method and device based on bus station - Google Patents
A kind of dangerous tip method and device based on bus station Download PDFInfo
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- CN109671244A CN109671244A CN201811593079.8A CN201811593079A CN109671244A CN 109671244 A CN109671244 A CN 109671244A CN 201811593079 A CN201811593079 A CN 201811593079A CN 109671244 A CN109671244 A CN 109671244A
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- bus
- passerby
- information
- surrounding
- danger
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
Abstract
The embodiment of the present invention provides a kind of dangerous tip method and device based on bus station, is related to intelligent bus technical field, solves the problem of that danger early warning can not be carried out to the fortuitous event that may occur under the complex environment in face of bus stop in the prior art.This programme are as follows: obtain the bus information and surrounding passerby's information in bus station's camera pickup area；Judge surrounding passerby with the presence or absence of danger according to bus information and surrounding passerby's information；If there is danger, then dangerous tip is exported.
Description
Technical field
The present invention relates to intelligent bus technical fields, and in particular, to a kind of dangerous tip method based on bus station and
Device.
Background technique
, since traffic environment is complicated in bus station, such as there is passer-by, get on or off the bus in bus when passing in and out bus station
Passenger, bicycle or motorcycle etc. frequently can lead to the generation of Traffic Accidents.
In the prior art, the visual perception system based on unmanned bus is provided in the prior art, by miniature
Sensor, charge coupled cell, video camera and image procossing industrial personal computer etc. acquire the vehicle-state of unmanned bus
With running environment information, the perception to vehicle-periphery is realized, improve its environment sensing and homing capability, realize unmanned
The automatic Pilot of bus reduces the generation of traffic accident, allows the vehicle to reliably and securely travel on road.
However, above-mentioned technical solution does not consider the complicated traffic environment of bus stop, thus can not be effectively to public affairs
The fortuitous event that may occur in station is handed over to carry out danger early warning.
Summary of the invention
The embodiment of the present invention provides a kind of dangerous tip method and device based on bus station, and solution exists in the prior art
Under the complex environment of bus stop, can not to may occur fortuitous event carry out danger early warning the problem of.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
The embodiment of the present invention in a first aspect, providing a kind of dangerous tip method based on bus station, which comprises
Obtain the bus information and surrounding passerby's information in bus station's camera pickup area；
Judge the surrounding passerby with the presence or absence of danger according to the bus information and the surrounding passerby information；
If there is danger, then dangerous tip is exported.
The second aspect of the embodiment of the present invention, provides a kind of dangerous tip device based on bus station, and described device includes:
Module is obtained, for obtaining bus information and surrounding passerby's information in bus station's camera pickup area；
Judgment module, for judging passerby with the presence or absence of danger according to the bus information and the surrounding passerby information
Danger；
Output module, for if there is danger, then exporting dangerous tip.
Compared with the prior art, the dangerous tip method and device provided by the invention based on bus station, first passes through acquisition
Bus information and surrounding passerby's information in bus station's camera pickup area；Then according to bus information and surrounding passerby
Information judges surrounding passerby with the presence or absence of danger；If there is danger, then dangerous tip is exported.Due to carrying out danger to passerby
When prompt, the bus information and surrounding passerby's information in bus station around are fully considered, make it possible to accurately determine dangerous
Situation, to effectively avoid the unexpected traffic accident that may occur in bus station.
Detailed description of the invention
The disclosure can be by reference to being better understood below in association with description given by attached drawing.It is understood that
Be that attached drawing is not necessarily drawn to scale.In the accompanying drawings:
Fig. 1 is a kind of flow chart of the dangerous tip method based on bus station provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another dangerous tip method based on bus station provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another dangerous tip method based on bus station provided in an embodiment of the present invention；
Fig. 4 is the flow chart of another dangerous tip method based on bus station provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of the dangerous tip device based on bus station provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
For the ease of clearly describing the technical solution of the embodiment of the present invention, in an embodiment of the present invention, use " the
One ", the printed words such as " second " distinguish function or the essentially identical identical entry of effect or similar item, and those skilled in the art can
To understand that the printed words such as " first ", " second " are not defined quantity and execution order.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
The terms "comprises/comprising" refers to the presence of feature, element or component when using herein, but is not precluded one
The presence or additional of a or a number of other features, element or component.
The executing subject of dangerous tip method provided in an embodiment of the present invention based on bus stop is based on bus station
Dangerous tip device, illustratively, the dangerous tip device can be mounted in processor in bus station or comprising processors
Bus station's intelligent apparatus etc..
The embodiment of the present invention provides a kind of dangerous tip method based on bus station, as shown in Fig. 2, this method includes following
Content:
101, the bus information and surrounding passerby's information in bus station's camera pickup area are obtained.
Wherein, above-mentioned bus information includes one of following information: bus front-wheel steer angle, adds travel speed
Passengers quantity and bus number in deceleration, bus, bus number here include bus routes or public transport
The license plate number of vehicle.Optionally, above-mentioned bus information further include: the driving direction of bus and real-time geographical locations etc..
Above-mentioned surrounding's passerby's information includes: passerby's travel speed, real-time geographical locations and driving direction.In addition, passerby here
The passerby of passerby and cycling including walking.
Preferably, above-mentioned step 101 can be acquired by the dangerous tip device based on bus station by camera public
The traffic scene image in station is handed over, then identifies the bus in traffic scene image, and obtain the front wheel steering angle of bus
Degree, travel speed and bus number etc., and the real-time geographical locations and the driving direction that obtain surrounding passerby etc..It is optional
, above-mentioned information related with bus and collected surrounding can also be obtained by the car-mounted terminal on bus
Passerby relevant information, then by wireless-transmission network by the collected bus relevant information of car-mounted terminal and passerby
Relevant information is sent to the above-mentioned dangerous tip device based on bus station, so that the dangerous tip device energy based on bus station
Enough get the relevant information being related in step 101.
102, judge surrounding passerby with the presence or absence of danger according to bus information and surrounding passerby's information.
Optionally, before above-mentioned step 102, this method further includes the following contents:
102a, the driving status for obtaining bus.
Wherein, above-mentioned driving status includes that bus is flat away from bus station or bus towards bus station, bus
It goes and is still in bus station.Specifically, bus refers to that bus is in the state that enters the station towards bus station, bus deviates from public transport
Station refers to that bus is in outbound state, and bus is parallel and is still in bus station and refers to that bus is in bus stop state.
Illustratively, above-mentioned step 102a can be realized by content below: the dangerous tip dress based on bus station
It sets through identification image and determines the driving status of bus, be also possible to what bus was acquired according to vehicle-mounted angular transducer
After driving status of the front wheel steering angle of bus to determine above-mentioned bus, sends it to the danger based on bus station and mention
Showing device, so that the dangerous tip device based on bus station obtains the driving status of bus.
Further alternative, above-mentioned step 102 can specifically be realized by the following contents:
102b, whether surrounding passerby is judged according to the driving status of bus information, surrounding passerby information and bus
It is dangerous.
It can be realized bus under different driving status by above step 102b, according to bus information and week
Enclosing passerby's information judges surrounding passerby with the presence or absence of danger.Since bus corresponding under the different driving status of bus is believed
Passerby's information of breath and surrounding is different, therefore danger can be accurately judged under unused scene, thus
Accurate dangerous tip can be provided in subsequent step, reduce the probability that accident occurs.
Based on the content of above-mentioned 102b, different scenes are given below and judge surrounding passerby with the presence or absence of dangerous mistake
Journey.
As shown in Fig. 2, above-mentioned step 102b is realized especially by the following contents during public transport pulls in:
If 102b11, detect bus towards bus station when driving, it is pre- according to bus information prediction bus first
If the driving trace of period, and according to moving rail of the passerby in the first preset time period around passerby's information prediction around
Mark.
The intersection point of 102b12, the driving trace for determining bus and the motion track of surrounding passerby.
102b13, first time of the prediction bus from the corresponding position of first state to intersection point and it is located in bus
Second time of the corresponding position of passerby to intersection point around when first state.
102b14, judge passerby with the presence or absence of danger according to first time and the second time.
Wherein, above-mentioned first state is to get bus to travel corresponding state towards bus station.
Illustratively, the first above-mentioned preset time is an empirical value, can be according to public affairs in actual application scenarios
The concrete condition near station is handed over to be set, the preset time is different in different actual scenes.
As shown in figure 3, above-mentioned step 102b is realized especially by the following contents during bus is outbound:
It is pre- according to bus information prediction bus second if 102b21, detecting that bus deviates from bus station when driving
If the driving trace of period, and according to the motion track in the second preset time period of the passerby of passerby's information prediction around.
The intersection point of the motion track of 102b22, the driving trace for determining bus and passerby.
102b23, prediction third time of the bus from the corresponding position of the second state to intersection point and it is located in bus
Fourth time of the corresponding position of passerby to intersection point around when the second state.
102b24, judged passerby with the presence or absence of danger according to third time and the 4th time.
Wherein, the second above-mentioned state is to get bus to travel corresponding state away from bus station.
Illustratively, the second above-mentioned preset time is an empirical value, can be according to public affairs in actual application scenarios
The concrete condition near station is handed over to be set, the preset time is different in different actual scenes.
As shown in figure 4, above-mentioned step 102b is realized especially by the following contents during bus stop station:
If 102b31, detecting that Public Transit Bus Stopping in bus station, is reached according to passerby around passerby's information prediction around
The time of rear door of bus.
102b32, whether passerby is judged according to the time that the berthing time of bus and surrounding passerby reach rear door of bus
It is dangerous.
Illustratively, the berthing time of above-mentioned bus is needed for the passengers quantity and each passenger getting off car by getting off
Time determine, for example, can be obtained by the way that the quantity for the passenger that gets off is multiplied with the time needed for each passenger getting off car.
Wherein: the quantity for the passenger that gets off is passenger's number in rear door of bus predeterminable area, can be by using figure in bus
It is obtained as identification or image processing techniques, concrete implementation process is not discussed herein, with reference to the prior art.In addition,
During specific implementation the berthing time can be issued after the car-mounted terminal in bus determines it is above-mentioned based on
The dangerous tip device of bus station is also possible to the quantity that the above-mentioned dangerous alarm set based on bus station receives the passenger that gets off
After be calculated, here without limit.
Enter the station with it is outbound when, bus is the process of dynamic change, for the process using prediction bus travel rail
After mark and surrounding passerby's motion track, endangered by judging the time of bus and surrounding passerby two track intersection points of arrival
Danger judgement；And when for bus stop station, it is that rear door of bus is reached according to bus stop station time and surrounding passerby
Time carries out danger judgement.Danger judgement is carried out using different judgment rules based on different scenes in this way, so that sentencing
Disconnected result is more accurate, to effectively avoid that some unnecessary danger occur, reduces the probability of happening of unexpected traffic events.
103, if there is danger, then dangerous tip is exported.
Preferably, above-mentioned step 103 carries out dangerous tip by the dangerous tip device based on bus station.Specifically,
When carrying out dangerous tip, the existing danger under different application scenarios according to bus of the dangerous tip device based on bus station
Danger generates danger signal, which is transmitted on corresponding bus by the dangerous tip device for being then based on bus station
The danger signal is alerted passerby by way of indicator light or voice by car-mounted terminal, the car-mounted terminal on bus.
Illustratively, during public transport pulls in, as shown in Fig. 2, above-mentioned step 103 specifically can be by following interior
Hold and realize:
103a, first time is equal with the second time of at least one passerby if it exists, then exports the first prompt information.
Illustratively, during bus is outbound, as shown in figure 3, above-mentioned step 103 specifically can be by following interior
Hold and realize:
103b, if it exists third time are equal with the 4th time of at least one passerby, then export the second prompt information.
Illustratively, during bus stop station, as shown in figure 4, above-mentioned step 103 specifically can be by following
Content is realized:
When the time that 103c, if it exists at least one passerby reach rear door of bus is less than or equal to the stop of bus
Between, then export third prompt information.
By above content, can be exported in time in determining cause danger based on the dangerous tip device of bus station
Prompting message, to inform passerby, there may be danger, to reduce the probability that unexpected traffic events occur.
Based on above-mentioned Fig. 2-Fig. 4, further alternative, this method further include:
If 103d, the motion track for detecting the presence of at least one passerby do not change, the 4th prompt information is exported.
And/or
If 103e, the motion track for detecting the presence of at least one passerby be sail far from bus station's skidding, and detect to
There is the vehicle sailed and in the rear of a few passerby, then export the 5th prompt information.
Determined by above-mentioned 103d and/or 103e carry out step 103a-103c early warning after whether need again into
The secondary early warning of row, in order to preferably remind passerby's unsafe condition.Wherein, above-mentioned secondary early warning can be based on bus station
Secondary danger signal is transmitted to the car-mounted terminal on corresponding bus by dangerous tip device, and the car-mounted terminal is by the secondary danger
Dangerous signal alerts passerby by way of indicator light or voice, is also possible to staff and sees above-mentioned secondary danger signal
The early warning prevented in time the behavior of the passerby afterwards operates.
Compared with the prior art, the dangerous tip method provided by the invention based on bus station first passes through and obtains bus station
Bus information and surrounding passerby's information in camera pickup area；Then sentenced according to bus information and surrounding passerby's information
Disconnected surrounding passerby is with the presence or absence of danger；If there is danger, then dangerous tip is exported.Due to carrying out dangerous tip to passerby
When, it fully considers the bus information and surrounding passerby's information in bus station around, makes it possible to accurately determine dangerous situation,
To effectively avoid the unexpected traffic accident that may occur in bus station.
Below by the associated description in the embodiment based on the corresponding dangerous tip method based on bus station of Fig. 1 to this hair
A kind of dangerous tip device based on bus station that bright embodiment provides is introduced.In following embodiment with above-described embodiment phase
The explanation of technical term, the concept of pass etc. is referred to the above embodiments, and which is not described herein again.
The embodiment of the present invention provides a kind of dangerous tip device based on bus station, as shown in figure 5, the device 2 includes: to obtain
Modulus block 21, judgment module 22 and output module 23, in which:
Module 21 is obtained, for obtaining bus information and surrounding passerby's information in bus station's camera pickup area.
Wherein, above-mentioned bus information includes one of following information: bus front-wheel steer angle, adds travel speed
Passengers quantity and bus number in deceleration, bus, bus number here include bus routes or public transport
The license plate number of vehicle.Optionally, above-mentioned bus information further include: the driving direction of bus and real-time geographical locations etc..
Above-mentioned surrounding's passerby's information includes: passerby's travel speed, real-time geographical locations and driving direction.In addition, passerby here
The passerby of passerby and cycling including walking.
Judgment module 22, for judging passerby with the presence or absence of danger according to bus information and surrounding passerby's information；
Output module 23, for if there is danger, then exporting dangerous tip.
Optionally, above-mentioned acquisition module 21 is also used to: obtaining the driving status of bus.
Wherein, above-mentioned driving status includes that bus is flat away from bus station or bus towards bus station, bus
It goes and is still in bus station.Specifically, bus refers to that bus is in the state that enters the station towards bus station, bus deviates from public transport
Station refers to that bus is in outbound state, and bus is parallel and is still in bus station and refers to that bus is in bus stop state.
Further alternative, above-mentioned judgment module 22, is specifically used for:
Judge surrounding passerby with the presence or absence of danger according to the driving status of bus information, surrounding passerby information and bus
Danger.
It can be realized bus under different driving status by above judgment module, according to bus information and week
It encloses passerby's information and judges surrounding passerby with the presence or absence of danger, since bus corresponding under the different driving status of bus is believed
Passerby's information of breath and surrounding is different, therefore danger can be accurately judged under unused scene, thus
Accurate dangerous tip can be provided in subsequent step, reduce the probability that accident occurs.
Optionally, during public transport pulls in, above-mentioned judgment module 22 is specifically used for:
If detect bus towards bus station when driving, according to bus information prediction the first preset time period of bus
Driving trace, and according to motion track of the passerby in the first preset time period around passerby's information prediction around.
Determine the intersection point of the driving trace of bus and the motion track of surrounding passerby.
It predicts first time of the bus from the corresponding position of first state to intersection point and is located at the first shape in bus
Second time of the corresponding position of passerby to intersection point around when state.
Judge that passerby whether there is danger with the second time according at the first time.
Wherein, above-mentioned first state is to get bus to travel corresponding state towards bus station.
Illustratively, the first above-mentioned preset time is an empirical value, can be according to public affairs in actual application scenarios
The concrete condition near station is handed over to be set, the preset time is different in different actual scenes.
Optionally, during bus is outbound, above-mentioned judgment module 22 is specifically used for:
If detecting, bus deviates from bus station when driving, according to bus information prediction the second preset time period of bus
Driving trace, and according to the motion track in the second preset time period of the passerby of passerby's information prediction around.
Determine the intersection point of the driving trace of bus and the motion track of passerby.
It predicts third time of the bus from the corresponding position of the second state to intersection point and is located at the second shape in bus
Fourth time of the corresponding position of passerby to intersection point around when state.
Judge passerby with the presence or absence of danger according to third time and the 4th time.
Wherein, the second above-mentioned state is to get bus to travel corresponding state away from bus station.
Illustratively, the second above-mentioned preset time is an empirical value, can be according to public affairs in actual application scenarios
The concrete condition near station is handed over to be set, the preset time is different in different actual scenes.
Optionally, during bus stop station, above-mentioned judgment module 22 is specifically used for:
If Public Transit Bus Stopping is detected in bus station, after reaching bus according to passerby around passerby's information prediction around
The time of door.
Judge passerby with the presence or absence of danger according to the time that the berthing time of bus and surrounding passerby reach rear door of bus
Danger.
Illustratively, the berthing time of above-mentioned bus is needed for the passengers quantity and each passenger getting off car by getting off
Time determine, for example, can be obtained by the way that the quantity for the passenger that gets off is multiplied with the time needed for each passenger getting off car.
Wherein: the quantity for the passenger that gets off is passenger's number in rear door of bus predeterminable area, can be by using figure in bus
It is obtained as identification or image processing techniques, concrete implementation process is not discussed herein, with reference to the prior art.In addition,
During specific implementation the berthing time can be issued after the car-mounted terminal in bus determines it is above-mentioned based on
The dangerous tip device of bus station is also possible to the quantity that the above-mentioned dangerous alarm set based on bus station receives the passenger that gets off
After be calculated, here without limit.
Enter the station with it is outbound when, bus is the process of dynamic change, for the process using prediction bus travel rail
After mark and surrounding passerby's motion track, endangered by judging the time of bus and surrounding passerby two track intersection points of arrival
Danger judgement；And when for bus stop station, it is that rear door of bus is reached according to bus stop station time and surrounding passerby
Time carries out danger judgement.Danger judgement is carried out using different judgment rules based on different scenes in this way, so that sentencing
Disconnected result is more accurate, to effectively avoid that some unnecessary danger occur, reduces the probability of happening of unexpected traffic events.
Illustratively, during public transport pulls in, above-mentioned output module 23 is specifically used for:
It is equal with the second time of at least one passerby at the first time if it exists, then export the first prompt information.
Illustratively, during bus is outbound, above-mentioned output module 23 is specifically used for:
The third time is equal with the 4th time of at least one passerby if it exists, then exports the second prompt information.
Further alternative, above-mentioned output module 23, is specifically also used to:
If the motion track for detecting the presence of at least one passerby does not change, the 4th prompt information is exported.With/
Or, if the motion track for detecting the presence of at least one passerby is to sail far from bus station's skidding, and detect at least one passerby
Rear exist sail come vehicle, then export the 5th prompt information.
Passerby's unsafe condition can be further reminded by above-mentioned output module.Wherein, above-mentioned secondary early warning
It can be the car-mounted terminal that secondary danger signal is transmitted on corresponding bus by the dangerous tip device based on bus station, it should
The secondary danger signal is alerted passerby by way of indicator light or voice by car-mounted terminal, is also possible to staff and is seen
The early warning prevented in time the behavior of the passerby after above-mentioned secondary danger signal operates.
Illustratively, during bus stop station, above-mentioned output module 23 is specifically used for:
The time that at least one passerby reaches rear door of bus if it exists is less than or equal to the berthing time of bus, then defeated
Third prompt information out.
By above content, can be exported in time in determining cause danger based on the dangerous tip device of bus station
Prompting message, to inform passerby, there may be danger, to reduce the probability that unexpected traffic events occur.
Compared with the prior art, the dangerous tip device provided by the invention based on bus station first passes through and obtains bus station
Bus information and surrounding passerby's information in camera pickup area；Then sentenced according to bus information and surrounding passerby's information
Disconnected surrounding passerby is with the presence or absence of danger；If there is danger, then dangerous tip is exported.Due to carrying out dangerous tip to passerby
When, it fully considers the bus information and surrounding passerby's information in bus station around, makes it possible to accurately determine dangerous situation,
To effectively avoid the unexpected traffic accident that may occur in bus station.
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only with the division of above-mentioned each functional module for example, in practical application, can according to need and by above-mentioned function
It can distribute and be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, more than completing
The all or part of function of description.The specific work process of the system, apparatus, and unit of foregoing description can refer to aforementioned side
Corresponding process in method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the module or unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of dangerous tip method based on bus station, which is characterized in that the described method includes:
Obtain the bus information and surrounding passerby's information in bus station's camera pickup area；
Judge the surrounding passerby with the presence or absence of danger according to the bus information and the surrounding passerby information；
If there is danger, then dangerous tip is exported.
2. the method according to claim 1, wherein the bus information includes one of at least following information:
Bus front-wheel steer angle, travel speed, acceleration and deceleration information, passengers quantity and bus number in bus.
3. the method according to claim 1, wherein the method also includes:
Obtain the driving status of bus, the driving status includes bus towards bus station, away from bus station or parallel
And it is still in bus station；
It is described to judge that the surrounding passerby whether there is danger according to the bus information and the surrounding passerby information, specifically
Include:
The surrounding road is judged according to the driving status of the bus information, the surrounding passerby information and the bus
People is with the presence or absence of danger.
4. according to the method described in claim 3, it is characterized in that, described according to the bus information and the surrounding passerby
Information judges that the surrounding passerby with the presence or absence of danger, specifically includes:
If detect bus towards bus station when driving, according to the first preset time period of the bus information prediction bus
Driving trace, and moving rail of the surrounding passerby in the first preset time period according to the surrounding passerby information prediction
Mark；
Determine the intersection point of the driving trace of the bus and the motion track of the surrounding passerby；
It predicts first time of the bus from the corresponding position of first state to the intersection point and is located at the first shape in bus
For the corresponding position of the surrounding passerby to the second time of the intersection point, the first state is to get bus direction when state
Bus station travels corresponding state；
Judge the passerby with the presence or absence of danger according to the first time and second time.
5. according to the method described in claim 3, it is characterized in that, described according to the bus information and the surrounding passerby
Information judges that the surrounding passerby with the presence or absence of danger, specifically includes:
If detecting, bus deviates from bus station when driving, according to the second preset time period of the bus information prediction bus
Driving trace, and the motion track according to the surrounding passerby information prediction passerby in the second preset time period；
Determine the intersection point of the driving trace of the bus and the motion track of the passerby；
It predicts first time of the bus from the corresponding position of the second state to the intersection point and is located at the second shape in bus
For the corresponding position of the surrounding passerby to the second time of the intersection point, second state is to get bus to deviate from when state
Bus station travels corresponding state；
Judge the passerby with the presence or absence of danger according to the first time and second time.
6. according to the method described in claim 3, it is characterized in that, described according to the bus information and the surrounding passerby
Information judges that the surrounding passerby with the presence or absence of danger, specifically includes:
If detecting Public Transit Bus Stopping in bus station, public transport is reached according to surrounding passerby described in the surrounding passerby information prediction
The time at vehicle back door；
Judge passerby with the presence or absence of danger according to the time that the berthing time of bus and the surrounding passerby reach rear door of bus
Danger.
7. method according to claim 4 or 5, which is characterized in that if there is danger, then dangerous tip step is exported,
It specifically includes:
The first time is equal with the second time of at least one passerby if it exists, then exports the first prompt information.
8. according to the method described in claim 6, it is characterized in that, then exporting dangerous tip step, specifically if there is danger
Include:
The time that at least one passerby reaches rear door of bus if it exists is less than or equal to the berthing time of the bus, then defeated
Second prompt information out.
9. the method according to claim 1, wherein the method also includes:
If the motion track for detecting the presence of at least one passerby does not change yet, third prompt information is exported；
And/or if the motion track for detecting the presence of at least one passerby be sail far from bus station's skidding, and detect it is described extremely
There is the vehicle sailed and in the rear of a few passerby, then export the 4th prompt information.
10. a kind of dangerous tip device based on bus station, which is characterized in that described device includes:
Module is obtained, for obtaining bus information and surrounding passerby's information in bus station's camera pickup area；
Judgment module, for judging passerby with the presence or absence of danger according to the bus information and the surrounding passerby information；
Output module, for if there is danger, then exporting dangerous tip.
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| CN114677848A (en) * | 2022-03-16 | 2022-06-28 | 北京车网科技发展有限公司 | Perception early warning system, method, device and computer program product |
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