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, completeSite 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 onEmbodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every otherEmbodiment 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 " theOne ", 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 canTo 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 passesSystem, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, hereinMiddle 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 oneThe 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 stationDangerous tip device, illustratively, the dangerous tip device can be mounted in processor in bus station or comprising processorsBus 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 followingContent:
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 speedPassengers quantity and bus number in deceleration, bus, bus number here include bus routes or public transportThe 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 hereThe 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 publicThe traffic scene image in station is handed over, then identifies the bus in traffic scene image, and obtain the front wheel steering angle of busDegree, 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 busPasserby relevant information, then by wireless-transmission network by the collected bus relevant information of car-mounted terminal and passerbyRelevant information is sent to the above-mentioned dangerous tip device based on bus station, so that the dangerous tip device energy based on bus stationEnough 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, busIt 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 transportStation 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 stationIt sets through identification image and determines the driving status of bus, be also possible to what bus was acquired according to vehicle-mounted angular transducerAfter 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 mentionShowing 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 busIt is dangerous.
It can be realized bus under different driving status by above step 102b, according to bus information and weekEnclosing passerby's information judges surrounding passerby with the presence or absence of danger.Since bus corresponding under the different driving status of bus is believedPasserby's information of breath and surrounding is different, therefore danger can be accurately judged under unused scene, thusAccurate 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 mistakeJourney.
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 firstIf the driving trace of period, and according to moving rail of the passerby in the first preset time period around passerby's information prediction aroundMark.
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 busSecond 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 scenariosThe 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 drivingIf 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 busFourth 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 scenariosThe 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 aroundThe 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 busIt is dangerous.
Illustratively, the berthing time of above-mentioned bus is needed for the passengers quantity and each passenger getting off car by getting offTime 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 busIt 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 onThe 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 offAfter 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 railAfter mark and surrounding passerby's motion track, endangered by judging the time of bus and surrounding passerby two track intersection points of arrivalDanger judgement；And when for bus stop station, it is that rear door of bus is reached according to bus stop station time and surrounding passerbyTime carries out danger judgement.Danger judgement is carried out using different judgment rules based on different scenes in this way, so that sentencingDisconnected 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 stationDanger generates danger signal, which is transmitted on corresponding bus by the dangerous tip device for being then based on bus stationThe 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 interiorHold 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 interiorHold 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 followingContent 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 busBetween, 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 stationPrompting 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 toThere 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 intoThe 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 stationSecondary 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 dangerDangerous signal alerts passerby by way of indicator light or voice, is also possible to staff and sees above-mentioned secondary danger signalThe 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 stationBus information and surrounding passerby's information in camera pickup area；Then sentenced according to bus information and surrounding passerby's informationDisconnected 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 passerbyWhen, 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 hairA kind of dangerous tip device based on bus station that bright embodiment provides is introduced.In following embodiment with above-described embodiment phaseThe 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 obtainModulus 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 speedPassengers quantity and bus number in deceleration, bus, bus number here include bus routes or public transportThe 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 hereThe 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, busIt 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 transportStation 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 busDanger.
It can be realized bus under different driving status by above judgment module, according to bus information and weekIt 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 believedPasserby's information of breath and surrounding is different, therefore danger can be accurately judged under unused scene, thusAccurate 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 busDriving 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 busSecond 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 scenariosThe 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 busDriving 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 busFourth 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 scenariosThe 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 aroundThe 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 busDanger.
Illustratively, the berthing time of above-mentioned bus is needed for the passengers quantity and each passenger getting off car by getting offTime 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 busIt 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 onThe 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 offAfter 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 railAfter mark and surrounding passerby's motion track, endangered by judging the time of bus and surrounding passerby two track intersection points of arrivalDanger judgement；And when for bus stop station, it is that rear door of bus is reached according to bus stop station time and surrounding passerbyTime carries out danger judgement.Danger judgement is carried out using different judgment rules based on different scenes in this way, so that sentencingDisconnected 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 passerbyRear 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 warningIt 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 shouldThe secondary danger signal is alerted passerby by way of indicator light or voice by car-mounted terminal, is also possible to staff and is seenThe 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 defeatedThird prompt information out.
By above content, can be exported in time in determining cause danger based on the dangerous tip device of bus stationPrompting 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 stationBus information and surrounding passerby's information in camera pickup area；Then sentenced according to bus information and surrounding passerby's informationDisconnected 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 passerbyWhen, 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 descriptionIt 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 functionIt can distribute and be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, more than completingThe all or part of function of description.The specific work process of the system, apparatus, and unit of foregoing description can refer to aforementioned sideCorresponding 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 itIts mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the module or unitIt divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or componentsIt can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown orThe mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unitIt 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 unitThe component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multipleIn 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 unitIt is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated listMember 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 withThose 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 coverWithin protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.