CN114025040A - Method and system for intercepting incoming call of driver - Google Patents
Method and system for intercepting incoming call of driver Download PDFInfo
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- CN114025040A CN114025040A CN202111309197.3A CN202111309197A CN114025040A CN 114025040 A CN114025040 A CN 114025040A CN 202111309197 A CN202111309197 A CN 202111309197A CN 114025040 A CN114025040 A CN 114025040A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
- H04M1/663—Preventing unauthorised calls to a telephone set
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/436—Arrangements for screening incoming calls, i.e. evaluating the characteristics of a call before deciding whether to answer it
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a method and a system for intercepting a driver incoming call, which are preferably suitable for a vehicle-mounted terminal, wherein the method comprises the following steps: for each passenger, according to the time difference between the moments when the terminal carried by each passenger in the vehicle senses the vibration and the amplitude of the corresponding vibration, the position of the passenger in the vehicle is positioned in a crossed mode, wherein the vibration is generated by a wheel rolling a target abnormal structure on a road; judging whether the passenger is a driver or not according to the position of the passenger in the vehicle; if so, sending information that the passenger drives the vehicle as a driver to the operator end so that the operator end monitors the incoming call aiming at the driver and intercepts the incoming call. By applying the embodiment of the invention, the privacy of passengers can not be invaded while the driver can be accurately identified, and the incoming call control of the driver can be realized.
Description
Technical Field
The invention relates to the technical field of driving safety, in particular to a method and a system for intercepting an incoming call of a driver.
Background
With the development of social economy, vehicles on the road surface are more and more, the rhythm of life of people is faster and faster, a lot of people use the time-saving habit to make a call while driving, even play a mobile phone, according to the statistics of the traffic administration of the ministry of public security, 68% of drivers have the behavior of using the mobile phone after driving; particularly, when a driver makes a call, the response speed of the driver is two times slower than that of the driver in a normal condition, the visual field range is reduced by nearly one half, the accident risk of making a call while driving is four times that of the driver in the normal condition, the behaviors seriously affect the traffic safety, and an identification device is urgently needed for reminding and standardizing the safe driving of the driver.
Documents CN101364814 and CN105391869A in the prior art disclose methods for detecting vehicle states by using displacement sensors and further opening and closing a cellular phone shield, but when the number of passengers in the same vehicle is greater than one, the foregoing methods cannot identify which passenger is the driver, or cannot accurately identify the passenger after the driver changes the passenger, and therefore, there is a high probability of misjudgment when the number of passengers is large. In order to solve the problems, in the prior art, documents CN104966059B, CN108205649B and CN107481724A all implement vehicle conversation behavior recognition based on a deep learning model, and the foregoing solutions require a camera to be installed in a vehicle cab, which is easy to excessively invade passenger privacy.
Therefore, a technical scheme which can accurately identify the driver, cannot excessively invade passenger privacy and can realize driver incoming call control is lacked in the prior art.
Disclosure of Invention
The technical problem to be solved by the invention is how to provide a method and a system for intercepting a driver incoming call, so that the driver can be accurately identified, meanwhile, the privacy of passengers can not be excessively invaded, and the incoming call control of the driver can be realized.
The invention solves the technical problems through the following technical means:
in a first aspect, the present invention provides a method for intercepting an incoming call of a driver, which is applied to a vehicle-mounted terminal, and the method includes:
for each passenger, according to the time difference between the moments when the terminal carried by each passenger in the vehicle senses the vibration and the amplitude of the corresponding vibration, the position of the passenger in the vehicle is positioned in a crossed mode, wherein the vibration is generated by a wheel rolling a target abnormal structure on a road;
judging whether the passenger is a driver or not according to the position of the passenger in the vehicle; if so, sending information that the passenger drives the vehicle as a driver to the operator end so that the operator end monitors the incoming call aiming at the driver and intercepts the incoming call.
Optionally, before the step of cross-locating the position of each passenger in the vehicle according to the time difference between the time when the terminal carried by the passenger in the vehicle senses the vibration and the amplitude of the corresponding vibration, the method further includes:
identifying a sequential order in which wheels of a vehicle crush a target anomaly, wherein the target anomaly comprises: one or a combination of a road surface bulge and a road surface depression;
the method for locating the position of each passenger in the vehicle in a crossed mode according to the time difference between the moments when the terminal carried by each passenger in the vehicle senses the vibration and the corresponding vibration amplitude comprises the following steps:
and determining the positions of the passengers in the vehicle according to the sequence order, the time difference between the moments when the vibration is sensed by the terminals carried by the passengers in the vehicle, and the amplitude of the corresponding vibration.
Optionally, the process of identifying the target abnormal structure includes:
recognizing abnormal road structures on a road by using a vehicle-mounted camera, wherein the vehicle-mounted sensor comprises: one or a combination of a vehicle-mounted camera and a vehicle-mounted radar;
aiming at each road abnormal structure, calculating the structural feature data of the road abnormal structure based on the prior scale features of objects in the shooting range of a vehicle-mounted camera, wherein the structural feature data comprise: one or a combination of the transverse dimension of the road abnormal structure, the longitudinal dimension of the road abnormal structure, the height of the road abnormal structure and the distribution area where the road abnormal structure is located;
determining the rolling times of the abnormal road structure rolled by the vehicle wheels according to the relative positions of the structural characteristic data of the abnormal road structure and the vehicle wheels, and judging whether the rolling times are more than or equal to two times;
and when the rolling times are more than or equal to two times, taking the road abnormal structure as a target abnormal structure.
Optionally, the determining, according to the relative position of the structural feature data of the road abnormal structure and the vehicle wheel, the rolling frequency of the vehicle wheel rolling the road abnormal structure includes:
recognizing the motion track of the vehicle at the current moment, and predicting and extending the motion track according to the corner of a steering wheel of the vehicle to obtain an extended track;
calculating the predicted track of each wheel of the vehicle according to the extended track, the wheel track and the wheel base of the vehicle;
and judging whether the wheel rolls the road abnormal structure or not according to the cross characteristics of the predicted track and the road abnormal structure aiming at the predicted track of each wheel, and further accumulating the rolling times of the vehicle wheel rolling the road abnormal structure.
Optionally, the cross-locating the position of each passenger in the vehicle according to the time difference between the moments when the terminal carried by the passenger in the vehicle senses the vibration and the corresponding amplitude of the vibration includes:
for each passenger, sensing vibration generated when the wheel rolls a target abnormal structure by using terminal equipment carried by the passenger in the vehicle, and determining a corresponding timestamp according to the moment of the maximum value of the vibration;
and obtaining the distribution characteristics of the vibration according to the time stamp and the vibration amplitude, and determining the position of the passenger in the vehicle according to the distribution characteristics and the sequence order.
Optionally, the vibrations that produce when utilizing the terminal equipment perception wheel that the passenger carried in the vehicle to roll target abnormal structure determine corresponding time stamp according to the maximum value place moment of vibrations, include:
the abnormal structure of the rolling target of the front wheel of the terminal device carried by the passenger in the vehicle is used as the first vibration, the abnormal structure of the rolling target of the rear wheel of the vehicle is used as the second vibration, and the corresponding timestamp is determined according to the moment of the maximum value of the vibration generated during the first vibration and the second vibration.
In a second aspect, the present invention further provides a method for intercepting an incoming call of a driver, which is applied to an operator side, and the method includes:
receiving information that the passenger is driving the vehicle in a seat driver as described in any of the above;
monitoring an incoming call aiming at a driver, and intercepting the incoming call.
Optionally, before the step of monitoring the incoming call for the driver, the method further comprises:
acquiring positioning information of the vehicle-mounted terminal at the current moment, and acquiring all mobile phone numbers and corresponding owner names in a corresponding circumferential range by taking a coordinate corresponding to the positioning information as a center and a preset distance as a radius;
comparing the owner name with the name of the driver to obtain a target number corresponding to the name of the driver;
the monitoring incoming call for the driver comprises the following steps:
and monitoring incoming calls sent to the target mobile phone number.
Optionally, the method further includes:
sending a voice prompt whether to leave a message to the caller, receiving the voice message of the caller under the condition of receiving the confirmation information of the caller, and playing the voice message to the driver when the execution of any one of the methods is finished;
alternatively, the first and second electrodes may be,
and when the driver finishes driving, converting the incoming call into an incoming call prompt and sending the incoming call prompt to the mobile phone of the driver.
In a third aspect, the present invention further provides an interception system for incoming calls of drivers, comprising a vehicle-mounted terminal and an operator terminal, wherein,
the vehicle-mounted terminal is used for executing the method in any one of the first aspect;
the operator side is configured to perform the method according to any of the second aspect.
The invention has the advantages that:
by applying the embodiment of the invention, the position of each passenger in the vehicle is determined according to the sequence and the time difference between the moments when the terminal carried by each passenger in the vehicle senses the vibration, and the driver is identified by referring to the distribution regulation of the domestic traffic regulations on the driving mechanism of the vehicle, so that the incoming call of the driver is intercepted, namely, when the driver drives the vehicle, the driver cannot answer the incoming call, and the occurrence of accidents caused by the distraction of answering the call is avoided.
Drawings
Fig. 1 is a schematic flowchart of an intercepting method for an incoming driver call according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a positioning principle based on first vibration in an intercepting method of an incoming call of a driver according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating vibration distribution based on first vibration in an intercepting method for an incoming call of a driver according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a positioning principle based on a second vibration in the method for intercepting an incoming call of a driver according to an embodiment of the present invention;
fig. 5 is a schematic diagram of vibration distribution based on second vibration in the method for intercepting an incoming call of a driver according to the embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a distribution of vibrations of the second vibration relative to vibrations of the first vibration in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Fig. 1 is a schematic flowchart of a method for intercepting an incoming driver call according to an embodiment of the present invention, as shown in fig. 1, the method includes:
s101: for each passenger, the position of the passenger in the vehicle is positioned according to the time difference between the moments of sensing the vibration by the terminal carried by each passenger in the vehicle and the amplitude of the corresponding vibration in a crossed manner, wherein the vibration is generated by a wheel rolling a target abnormal structure on a road, and the target abnormal structure comprises: one or a combination of a road surface protrusion and a road surface depression.
In the first aspect, in embodiment 1 of the present invention, a road surface depression is taken as an example of the bridge expansion joint 100. The bridge can be divided into an orthogonal bridge and an oblique bridge according to the included angle between the axis of the bridge and the axis of the road, wherein the orthogonal bridge is a bridge with the longitudinal axis of the bridge being vertical to the river flow direction or the route axially crossed by the bridge. A diagonal bridge refers to a bridge in which the longitudinal axis of the bridge is not axially perpendicular to the flow direction or course of the river it spans. The orthogonal bridge is generally common in areas with better external environment for road construction, such as plain and areas with fewer buildings; the skew bridges are widely applied to high-grade highways, urban roads, interchange hubs and river-crossing bridges in China. From the existing foreign research results, the skew angle is one of the main design parameters influencing the skew bridge seismic response, and the response spectrum analysis under the influence of frequent earthquakes and the nonlinear time course analysis under the influence of rare earthquakes are respectively carried out. Due to the characteristics of the skew bridge, the deformation of the support along the direction of the perpendicular of the supporting line is reduced along with the increase of the skew angle; at a skew angle of 60 °, the support deflection values of a skew bridge can be reduced by about 50% compared to a corresponding orthogonal bridge. In addition, the skew bridge has the advantages, so the skew bridge is more common. Particularly, in the construction of the southern river-crossing bridge, in order to reduce the orthographic projection area of the bridge as much as possible and reduce the construction amount of the bridge, most southern river-crossing bridges are skew bridges. And the expansion joint 100 is generally arranged at the joint between a bridge and a road or between beam sections and penetrates through the whole bridge deck. Therefore, the extending direction of the expansion joint 100 of the skew bridge usually forms a certain included angle with the longitudinal axis of the road, so that a certain time difference may exist when the expansion joint 100 is rolled between two front wheels of the vehicle 200; similarly, there is a time difference between when the two rear wheels of the vehicle 200 crush the expansion joint 100; and a certain time difference is also present between the time when the front and rear wheels crush the expansion joint 100 due to the forward movement of the vehicle 200 on the same side of the vehicle 200. Therefore, when the automobile rolls the skew bridge expansion joint 100, 3-4 times of vibration is likely to be generated to the vehicle 200.
In addition, even if the vehicle 200 passes through the orthogonal bridge expansion joint 100, since the vehicle always has a slight yaw during running, the probability that two front wheels simultaneously crush the expansion joint 100 is not one hundred percent, and the two front wheels generally always have a time difference of 3-20 ms. That is, the car will generate at least 2 vibrations when rolling the orthogonal bridge expansion joint 100, and will generate 4 vibrations if the vehicle 200 is at a slow speed and the advancing direction of the vehicle 200 is not completely perpendicular to the length direction of the expansion joint 100.
Existing terminal devices, such as smart bracelets, smart watches, smart phones, and the like, are each built-in with an MEMS (Micro Electro Mechanical System) accelerometer, which is extremely sensitive to vibration. For example, the model number of the accelerometer of the HTC Google Nexus one smartphone is bosch BMA150, and the sampling frequency thereof is 27 Hz; and the sampling frequency of the accelerometer of the mobile phone can reach 100 Hz. The wheel base of the class A car is 2-2.7m, the car speed is 80km, the vibration time interval between the front wheels and the rear wheels is 90-121.5ms, and the vibration time interval is far greater than the sampling period. A significant impact of the vehicle 200 passing through the slot 100 at 30km will occur, and if the vehicle passes through the slot 100 at 80km, the impact will be even more significant and will result in a slight bounce of the vehicle. Therefore, when the wheel rolling expansion joint 100 generates vibration, the accelerometer can measure abnormal pulses generated by the vibration, and further sense the corresponding vibration; and the timestamp generated by the pulse value corresponding to the vibration can be determined by combining a time service chip in the terminal equipment.
Fig. 2 is a schematic diagram illustrating a positioning principle based on first vibration in an intercepting method of an incoming call of a driver according to an embodiment of the present invention; as shown in fig. 2, the vehicle travels in the direction indicated by the arrow, and the vehicle 200 accommodates three persons, a, b, c and d. When the front right wheel 203 first crushes the expansion joint 100, the expansion joint 100 generates a reaction force to the front right wheel 203, and then the front right wheel 203 vibrates, and the vibration of the front right wheel 203 is transmitted to a terminal device carried by a passenger through a suspension of the vehicle 200 and a vehicle body. Based on the propagation law of the vibration, the vibration generally propagates in the form of a wave in a substantially circumferential manner around the vehicle 200 structural member. Therefore, the terminal devices of the passengers at different seats in the vehicle perceive the time stamps of the vibration signals to be different in sequence. Therefore, the closeness of each passenger with respect to the right front wheel 203 can be positioned.
As shown in fig. 2, when the front right wheel 203 firstly rolls the expansion joint 100 of the skew bridge, the mobile phone carried by the passenger b at the front right senses the vibration of the front right wheel 203 firstly, and the measurement principle can be that a spike pulse occurs on the vibration waveform measured by an electronic accelerometer in the mobile phone, or the waveform change rate is greater than a set threshold value in a certain period. The passenger b's handset records the time at which the spike amplitude is maximum-11, and the corresponding maximum amplitude-11.
Obtaining vibration distribution characteristics according to the time stamps and the vibration amplitude values, and determining the positions of passengers in the vehicle according to the distribution characteristics and the sequence order: fig. 3 is a schematic diagram of vibration distribution corresponding to first vibration in the method for intercepting a driver incoming call according to the embodiment of the present invention, as shown in fig. 3, when the front right wheel 203 rolls the expansion joint 100, not only the vibration 301 is generated in the cell phone of the passenger b, but also the vibration 301 corresponds to time-11 and maximum amplitude-11; after the vibration is conducted, a vibration 302 is generated in the mobile phone of the passenger A, which corresponds to the time-21 and the maximum amplitude-21; similarly, a shock 303 is also generated in the rear left hand handset, corresponding to time-31 and maximum amplitude-31; a shock 304 is generated in the right rear row of the handset corresponding to time-41 and maximum amplitude-41. If and only if the right front wheel 203 crushes the target abnormal structure according to fig. 2 and 3, the distance between the passenger a and the passenger b is smaller than the distance between the passenger b and the passenger d due to the seat distribution of the vehicle 200, and the time-21 at which the passenger a senses the shock slightly precedes the time-41 corresponding to the passenger d.
Therefore, upon recognizing that the current impact is formed by the right front wheel rolling the expansion joint 100 first based on the step S101, the following results may be recognized based on the above features:
the terminal carried by the passenger B firstly identifies the vibration of the right front wheel 203, the timestamp of the vibration is the foremost, and the amplitude is the strongest, so that the passenger B is closest to the right front wheel 203 and is positioned at the right front position; although the timestamp of the passenger A is relatively close to the timestamp of the passenger B, the distance between the passenger A and the passenger B is smaller than the distance between the passenger B and the passenger B due to the seat distribution relation of the vehicle 200, and therefore the passenger A is located at the front left position; the passenger D is positioned at the right rear position; the passenger C finally perceives the vibration, and therefore, the passenger C is located at the left rear position.
In addition, the farther the passenger is from the wheel where the shock is occurring, the smaller the maximum amplitude of the shock is. When the right front wheel 203 of the vehicle 200 rolls over the abnormal road structure, the amplitude of the vibration 301 corresponding to the passenger B is larger than the amplitude sensed by other passenger terminals, the amplitude of the vibration 302 corresponding to the passenger A is smaller than the amplitude of the passenger B, the amplitude of the vibration 303 corresponding to the passenger B is smaller than the amplitude of the passenger A, and the amplitude of the vibration 304 corresponding to the passenger C is minimum, so that the distribution of each passenger in the vehicle 200 can be identified based on the amplitudes and corresponding moments.
Typically, when the right front wheel 203 rolls over the expansion joint 100, it produces a relatively large shock to the passenger b in the right front position, and therefore the second maximum amplitude corresponds to the passenger b. The rear passenger may not be identified.
Further, when the time stamps between the passenger A and the passenger B are too close to identify two pulses during the first vibration, the pulse generated by the second vibration can be used to distinguish the relative position between the passenger A and the passenger B.
And determining that the second vibration is generated by the left front wheel rolling target abnormal structure according to the sequence obtained in the step S101.
Similarly, in order to further improve the driver recognition accuracy, the embodiment of the present invention will be described with reference to the wheel crush expansion joint 100 as an example of the second vibration. Fig. 4 is a schematic diagram illustrating a positioning principle based on a second vibration in the method for intercepting an incoming call of a driver according to an embodiment of the present invention; fig. 5 is a schematic diagram of vibration distribution based on second vibration in the method for intercepting an incoming call of a driver according to the embodiment of the present invention; as shown in fig. 4 and 5, when the right rear wheel rolls the expansion joint 100, the terminal of the passenger D senses the vibration 501 firstly; as the shock propagates, the following sequence occurs: passenger c perceives vibrations 502, passenger b perceives vibrations 503, passenger a perceives vibrations 504, and the magnitudes of the vibrations decrease in sequence.
Fig. 6 is a schematic diagram illustrating a distribution of vibrations of the second vibration relative to the first vibration in the embodiment of the present invention, as shown in fig. 6, the vibrations of the first vibration start from time t1, and the vibrations of the second vibration start from time t 2. Taking the second vibration as an example of the vehicle 200 rolling the target abnormal structure of the left front wheel 207: since the expansion joint 100 generally extends transversely across the entire road width and it is difficult for the forward direction of the vehicle 200 to be absolutely perpendicular to the expansion joint 100, there is a slight difference in the timing at which the left and right front wheels 207 and 203 crush the expansion joint 100, and the left front wheel 207 does not crush the expansion joint 100 yet when the shock generated when the right front wheel 203 crushes the expansion joint 100 is transmitted to the rear passenger. Therefore, based on the principle, the amplitude and the timestamp corresponding to each passenger are identified by the accelerometer, so that the passenger corresponding to the first vibration is identified to be closest to the left front wheel, and the passenger A is determined to be the driver.
Therefore, based on the rule, the terminal device of the passenger T recognizes the vibration of the right rear wheel firstly, and the passenger T is closest to the right rear wheel, so that the passenger T is positioned at the right rear position; although the timestamp of the passenger B is relatively close to the timestamp of the passenger C, the distance between the passengers C is smaller than the distance between the passengers A and B due to the distribution relation of the seats of the vehicle 200, and therefore the passenger B is positioned at the front right position; the passenger C is positioned at the left rear position; the first passenger perceives the vibration last, and therefore, the first passenger is located in the front left position.
It can be understood that the distance between the front wheel and the rear wheel is large, and therefore, the time interval between the front wheel rolling expansion joint 100 and the rear wheel rolling expansion joint 100 is long, and therefore, the recognition is easier, and therefore, further, when the relative position between the passenger a and the passenger d still cannot be accurately distinguished by the second vibration, the vibration generated by the rear wheel rolling expansion joint 100 can be regarded as the third vibration, the discrimination is performed based on the third vibration, and when the discrimination is still impossible based on the third vibration or the fourth vibration or the fifth vibration, the passenger a and the passenger b are both treated as the driver.
In practical applications, the road surface protrusion is generally made of a deceleration strip, such as a hot-melt protrusion-type marking paint, or a rubber deceleration strip, and the principle of generating impact on the vehicle 200 is similar to that of the expansion joint 100, and the embodiment of the present invention is not described herein again.
S102: determining whether the passenger is a driver based on the position of the passenger in the vehicle 200; if so, the information that the passenger is driving the vehicle 200 as a driver is sent to the operator end, so that the operator end monitors the incoming call for the driver and intercepts the incoming call.
Since the vehicles 200 registered in china are basically left-handed vehicles, the passenger at the front left is the driver, and therefore, the passenger a at the front left can be determined as the driver based on the determination in step S101.
The vehicle-mounted terminal sends the information that the passenger A is driving the vehicle 200 as a driver to an operator, after the operator receives the information, the operator screens out a corresponding mobile phone number according to the name of the driver, then monitors the incoming call information aiming at the mobile phone number in real time, and intercepts the incoming call information.
Furthermore, because of the large number of the duplicate names in China, a plurality of mobile phone numbers can be easily screened out by screening according to the names, for example:
name: a, number 1 xxxxx; positioning-1;
name: second, number 2 xxxxx; positioning-2;
name: third, number 3 xxxxx; positioning-3;
name: a, number 4 xxxxx; positioning-4;
name: a, number 5 xxxxx; positioning-5;
……
therefore, the embodiment of the invention adds the following steps:
the method comprises the steps of obtaining the positioning information of the vehicle-mounted terminal at the current moment, taking a coordinate corresponding to the positioning information as a center, taking a preset distance as a radius, and obtaining all mobile phone numbers and corresponding owner names in a corresponding circumferential range, wherein in practical application, the preset distance is usually taken as an error distance of base station triangulation positioning, and can be one of 200m, 500m and 1000 m.
In the embodiment of the present invention, the in-vehicle terminal sends the positioning information of the current time of the vehicle 200 as the additional information and the information that the passenger a is driving the vehicle 200 as the driver to the operator, and the operator acquires all the mobile phone numbers within the setting range taking the positioning point as the center and the corresponding owner name according to the positioning information of the current time of the vehicle 200, and the result is as follows:
name: a, number 1 xxxxx; positioning-1;
name: second, number 2 xxxxx; positioning-1;
name: third, number 3 xxxxx; positioning-1;
……
and then comparing the acquired owner name with the name of the driver A to obtain the mobile phone number of the driver A, taking the number as a target number, and then monitoring the target number.
Furthermore, in an extreme case, more than one target number may be named after the first driver within a preset distance by taking the positioning point as a center, so that the target number cannot be accurately acquired. In order to solve the above problem, in the embodiment of the present invention, the following steps are added:
the vehicle-mounted terminal sends the positioning information of the current moment of the vehicle 200 as additional information and the information that the passenger A drives the vehicle 200 as a driver to an operator, the operator firstly obtains all mobile phone numbers and corresponding owner names within a set range by taking the positioning point as a center according to the current positioning information of the current moment of the vehicle 200, and all the mobile phone numbers and the corresponding owner names are added into a first set, and the result is as follows:
name: a, number 1 xxxxx; positioning-1;
name: second, number 2 xxxxx; positioning-1;
name: third, number 3 xxxxx; positioning-1;
……
then comparing the acquired owner name with the name of the driver A to obtain all the mobile phone numbers with the owner name as A, and intercepting the incoming call information of all the mobile phone numbers with the owner name as A;
at the next moment, receiving next positioning information corresponding to the next moment, then acquiring all mobile phone numbers and corresponding owner names within a set range by taking the positioning point as a center, and adding all mobile phone numbers and corresponding owner names into a second set;
and performing intersection operation on a first set of the owner name with the name of A corresponding to the current positioning information and a second set of the owner name with the name of A corresponding to the next positioning information to obtain a target number, intercepting incoming call information of the target number, and removing interception of incoming call information of other mobile phone numbers with the same name as the owner of the target number.
Example 2
Before step S101 in embodiment 1 of the present invention, a step may be added: identifying a sequential order in which wheels of a vehicle crush a target anomaly, wherein the target anomaly comprises: one or a combination of a road surface bulge and a road surface depression;
specifically, the abnormal structure of the target can be identified by using a shooting picture of the automobile data recorder, and structural feature data of the abnormal structure of the target road is calculated based on the prior scale feature of the object in the shooting range of the vehicle-mounted camera, wherein the structural feature data comprises: one or a combination of lateral dimensions, longitudinal dimensions, height, distribution area. For example, when it is recognized that the expansion joint 100 of a bridge is included in the picture shot by the automobile data recorder, the distance between each point on the bridge expansion joint 100 and the vehicle 200 and the included angle between each point and the center line of the road are calculated by using known data such as lane width, road marking width, vehicle 200 height and pedestrian height included in the shot picture in an equal proportion. When the irregular expansion joint 100 appears in the picture shot by the automobile data recorder, the transverse dimension, the longitudinal dimension and the depth of the expansion joint 100 are calculated by utilizing the known data contained in the shot picture; when the deceleration strip appears in the picture shot by the automobile data recorder, the distance between each point on the deceleration strip and the vehicle 200 and the included angle between each point and the center line of the road are calculated by using the known data contained in the shot picture. Then, the motion trajectory of the vehicle 200 at the current time can be integrated according to the steering wheel angle and the vehicle speed of the vehicle 200, and the future trajectory of the vehicle 200 can be predicted according to the angle data of the vehicle 200 at the current time to obtain the extended trajectory. The track is generally integrated from the center point of the vehicle 200, and the wheels are located at both sides of the vehicle 200, and the left and right wheels have a larger track distance therebetween, so that the extended track is translated to both sides, and the time data is combined, so that the predicted track corresponding to each wheel of the vehicle 200 can be obtained. The contact sequence of the predicted track of each wheel and the target abnormal structure can be determined by combining the advancing direction of the vehicle and the distribution mode of the four wheels of the vehicle.
As shown in fig. 2, in the case that the expansion joint 100 forms an angle with the extending direction of the lane, the sequence of rolling the expansion joint by the wheels of the vehicle is as follows: right front wheel, left front wheel, right rear wheel, left rear wheel.
At this time, the execution process of the step S101 may be:
according to the recognized right front wheel of the vehicle, firstly rolling to a target abnormal structure, and when the vibration of the terminal of the passenger B is recognized to be the maximum value of the vibration corresponding to each wheel, determining that the passenger B is positioned at the right front position; passenger A or passenger D is located at the front left position, and passenger C is located at the rear left seat.
Similarly, the second shake may determine that passenger a is in the front left position based on the front left wheel of the vehicle.
By applying the embodiment 2 of the invention, the system judges the sequence of rolling target abnormal structures of each wheel of the vehicle in advance, and then verifies the sequence with the amplitude of the vibration sensed by the corresponding passenger, so that on one hand, the accuracy of passenger position identification based on the amplitude and the time stamp can be improved, and on the other hand, the corresponding passenger position can be accurately identified even if the difference between the amplitudes of each wheel is not large.
Example 3
In embodiment 2 of the present invention, on the basis of embodiment 1, before step S101, the following steps are added:
s104 (not shown in the figure): after the vehicle 200 is displaced, a target abnormal structure on the road is recognized using the in-vehicle sensor.
First, it should be noted that the target exception structure in the embodiment of the present invention may be: the expansion joint comprises a bridge expansion joint 100, a cement pavement expansion joint, a groove, a pot hole, a deceleration strip and a road marking. Taking a road label as an example, the existing road markings are all hot-melt coatings with the coating thickness of 1.8mm-3 mm. Thus, when the vehicle 200 rolls the road markings, corresponding vibrations are also generated and are sensed by the accelerometers or accelerometers in the passenger-carried terminal device. Particularly, when the vehicle 200 passes through the intersection, the vehicle 200 generally performs lane change operation when passing through the intersection, or passes through an intersection stop line or a sidewalk marking line, and the vehicle 200 can roll on the corresponding marking line to generate a vibration signal; wherein, the difference of the vibration signals generated by the wheels is more obvious in the time domain when the vehicle 200 changes lanes at the intersection and selects a more reasonable lane. When the vehicle 200 passes through the stop line of the intersection, the vehicle 200 generally does not travel strictly in the direction perpendicular to the stop line of the intersection, that is, when the vehicle 200 passes through the stop line of the intersection, there may be a small time difference between the front wheels of two vehicles 200 or the rear wheels of two vehicles 200, and thus two vibration signals are generated. Similarly, the vehicle 200 may generate a plurality of corresponding vibration signals when driving across the crosswalk.
Automobile data recorder is all equipped with mostly to car now, though the definition of current automobile data recorder camera is not high, nevertheless discerns the road abnormal structure on the road like: the expansion joints 100 of the bridge, expansion joints of the cement pavement, grooves, pot holes, deceleration strips and road markings are enough.
Aiming at each road abnormal structure, calculating the structural feature data of the road abnormal structure based on the prior scale features of objects in the shooting range of a vehicle-mounted camera, wherein the structural feature data comprise: the abnormal road structure comprises one or a combination of a transverse dimension of the abnormal road structure, a longitudinal dimension of the abnormal road structure, a height of the abnormal road structure and a distribution area where the abnormal road structure is located. For example, when it is recognized that the expansion joint 100 of a bridge is included in the picture shot by the automobile data recorder, the distance between each point on the bridge expansion joint 100 and the vehicle 200 and the included angle between each point and the center line of the road are calculated by using known data such as lane width, road marking width, vehicle 200 height and pedestrian height included in the shot picture in an equal proportion. When the irregular expansion joint 100 appears in the picture shot by the automobile data recorder, the transverse dimension, the longitudinal dimension and the depth of the expansion joint 100 are calculated by utilizing the known data contained in the shot picture; when the deceleration strip appears in the picture shot by the automobile data recorder, the distance between each point on the deceleration strip and the vehicle 200 and the included angle between each point and the center line of the road are calculated by using the known data contained in the shot picture. Then, the motion trajectory of the vehicle 200 at the current time can be integrated according to the steering wheel angle and the vehicle speed of the vehicle 200, and the future trajectory of the vehicle 200 can be predicted according to the angle data of the vehicle 200 at the current time to obtain the extended trajectory. The track is generally integrated from the center point of the vehicle 200, and the wheels are located on both sides of the vehicle 200 and have a larger track width, so that the extended track is translated to both sides, and the time data is combined, so that the predicted track corresponding to each wheel of the vehicle 200 can be obtained.
And for each wheel, when the predicted track of the wheel is crossed with the abnormal road structure, judging that the wheel can roll the abnormal road structure. Further determining the rolling times of the vehicle 200 for rolling the abnormal road structure, and judging whether the rolling times are more than or equal to two times; and when the rolling times are more than or equal to two times, taking the road abnormal structure as a target abnormal structure.
The two rolling processes are used as the standard for screening the target abnormal structure, and only for further optimizing the technical scheme, the position of the driver can be determined by utilizing the vibration generated by the one rolling process in the embodiment 1. Has the following beneficial effects: when the number of passengers in the vehicle 200 is large and/or the distribution situation is special, for example, the passenger a drives as a driver, the passenger b sits on the right rear seat, and the distances between the passenger a and the passenger b and the right front wheel 203 of the vehicle 200 are approximate, when the right front wheel 203 of the vehicle 200 rolls the abnormal structure of the road, timestamps of collecting vibration of the passenger a and the passenger b are relatively close to each other or are relatively difficult to distinguish when the timestamps are the same, and in addition, the error of time synchronization between the mobile phones and the difference of the running performance of the mobile phones are further aggravated, so that the situation can be further judged by adopting vibration of rolling the abnormal structure of the road for multiple times to perform cross judgment, and the driver can be accurately identified.
Therefore, in the embodiment of the invention, the abnormal structure on the road is identified by using the camera of the automobile data recorder. And then screening the abnormal structure to obtain a target abnormal structure. The target abnormal structure is a road abnormal structure capable of generating two or more vibrations to the vehicle 200, and the recognition accuracy of the driver can be improved by using two or more vibrations.
Further, in order to further reduce the technical problem of low accuracy of driver judgment caused by errors and passenger distribution, a vibration perception limit may be set for each terminal, for example, each terminal receives vibration only once when the vehicle speed is higher than a set threshold and the vehicle perceives that the front wheel is in a rolling target abnormal structure; when the vehicle speed is higher than a set threshold value and the vehicle senses that the rear wheel rolls a target abnormal structure, each terminal only receives vibration once; the passenger position identification error caused by excessive vibration pulse quantity due to small time difference of abnormal structures of a road rolled between the left front wheel and the right front wheel when the vehicle runs at a high speed is avoided.
Specifically, when the vehicle speed is higher than a set threshold value, such as 60km/h, the vibration generated when the rolling target abnormal structure of the front wheels of the vehicle rolls is taken as the first vibration, and the vibration generated when the rear wheels roll the road abnormal structure is taken as the second vibration. When the vehicle speed is high, the vibration of the left front wheel 207 sensed by the terminal device carried by the passenger and the vibration of the right front wheel 203 are superposed to influence the recognition effect.
In another implementation manner of the embodiment of the present invention, a first driving speed and a corresponding first traction of the vehicle 200 in a constant speed driving stage may be obtained from the driving data of the same road segment; acquiring a second running speed of the vehicle and a corresponding second traction force in the vehicle acceleration stage;
comparing the first running speed with the second running speed, and calculating the total weight of the vehicle by using the difference between the corresponding first traction force and the corresponding second traction force under the condition that the first running speed and the second running speed are the same;
and calculating the load of the vehicle according to the difference between the total weight of the vehicle and the servicing weight, and estimating the number of passengers of the vehicle according to the load of the vehicle.
As an example, the tractive force can be calculated according to the vehicle power formula P ═ Fv, wherein,
p is vehicle traction force, the power value is smaller than the output power of the engine, but the conversion ratio between the value and the output power of the engine can be calculated by manufacturers according to the transmission characteristics of the vehicle; f is the vehicle traction and v is the vehicle speed.
During acceleration; f + M a + d1 ═ F1;
in constant speed driving, F + d1 is F2;
f is the friction force when the vehicle runs; d1 is the resistance of the vehicle, including the sum of wind resistance and rolling resistance, and because the vehicle speed is the same, the resistance of the vehicle in the two states is the same; m is the total weight of the vehicle; a is the acceleration of the vehicle during acceleration, and the value can be measured by an accelerometer of the vehicle-mounted terminal; f1 is the traction force of vehicle when accelerating; f2 is the traction force of the vehicle at a constant speed.
Subtracting the two formulas to obtain:
Ma＝F1-F2。
and then estimating the total weight of the vehicle, subtracting the vehicle preparation mass from the total weight of the vehicle, subtracting the weight of the vehicle oil to obtain the total weight of passengers in the vehicle, and estimating the number of the passengers in the vehicle according to the average weight of the domestic adults.
It is determined whether to execute step S103 of the present invention.
When the number of passengers (including the driver) in the vehicle 200 is one, it is possible to judge whether the passenger is driving the vehicle 200 using a speed judgment, a voice recognition method, or the like in the related art.
After intercepting the incoming call for the passenger a, the monitoring of the speed of the vehicle 200 is maintained, and after the vehicle 200 is stationary and displaced again, the flow of embodiment 1 of the present invention is executed again.
In another implementation manner of the embodiment of the invention, in order to avoid errors caused by time synchronization between the mobile phone carried by the passenger and the base station, the WiFi signal is radiated by the vehicle-mounted networking equipment, the mobile phone carried by the passenger is automatically connected, and the synchronization is carried out by taking the time of the vehicle-mounted terminal as the reference time, so that the time synchronization errors caused by communication between different mobile phones and the base station can be weakened to the greatest extent.
Example 4
Based on embodiment 1 to embodiment 3, embodiment 4 provides a method for intercepting an incoming call of a driver, which is applied to an operator side, and the method includes:
receiving information that the passenger is driving the vehicle 200 in a seat driver as described in any of embodiments 1-3;
monitoring an incoming call aiming at a driver, and intercepting the incoming call.
In a specific implementation manner of the embodiment of the present invention, before the step of monitoring the incoming call for the driver, the method further includes:
acquiring positioning information of the vehicle-mounted terminal at the current moment, and acquiring all mobile phone numbers and corresponding owner names in a corresponding circumferential range by taking a coordinate corresponding to the positioning information as a center and a preset distance as a radius;
comparing the owner name with the name of the driver to obtain a target number corresponding to the name of the driver;
the monitoring incoming call for the driver comprises the following steps:
and monitoring incoming calls sent to the target mobile phone number.
In a specific implementation manner of the embodiment of the present invention, the method further includes:
sending voice prompt whether to leave a message to the caller, receiving the voice message of the caller under the condition of receiving the confirmation information of the caller, and playing the voice message to the driver when the driving is finished;
alternatively, the first and second electrodes may be,
and when the driver finishes driving, converting the incoming call into an incoming call prompt and sending the incoming call prompt to the mobile phone of the driver.
Example 5
The embodiment of the invention also provides an interception system of the driver incoming call, which comprises:
the vehicle-mounted terminal is used for executing the method in any one of embodiment 1-embodiment 3;
the operator side is used to perform the method as described in embodiment 4.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for intercepting an incoming call of a driver is applied to a vehicle-mounted terminal, and comprises the following steps:
for each passenger, according to the time difference between the moments when the terminal carried by each passenger in the vehicle senses the vibration and the amplitude of the corresponding vibration, the position of the passenger in the vehicle is positioned in a crossed mode, wherein the vibration is generated by a wheel rolling a target abnormal structure on a road;
judging whether the passenger is a driver or not according to the position of the passenger in the vehicle; if so, sending information that the passenger drives the vehicle as a driver to the operator end so that the operator end monitors the incoming call aiming at the driver and intercepts the incoming call.
2. The method as claimed in claim 1, wherein before the step of cross-locating the position of each passenger in the vehicle according to the time difference between the time when the terminal carried by the passenger in the vehicle senses the vibration and the corresponding vibration amplitude, the method further comprises:
identifying a sequential order in which wheels of a vehicle crush a target anomaly, wherein the target anomaly comprises: one or a combination of a road surface bulge and a road surface depression;
the method for locating the position of each passenger in the vehicle in a crossed mode according to the time difference between the moments when the terminal carried by each passenger in the vehicle senses the vibration and the corresponding vibration amplitude comprises the following steps:
and determining the positions of the passengers in the vehicle according to the sequence order, the time difference between the moments when the vibration is sensed by the terminals carried by the passengers in the vehicle, and the amplitude of the corresponding vibration.
3. The method for intercepting an incoming driver call according to claim 2, wherein the identification process of the target abnormal structure comprises:
recognizing abnormal road structures on a road by using a vehicle-mounted camera, wherein the vehicle-mounted sensor comprises: one or a combination of a vehicle-mounted camera and a vehicle-mounted radar;
aiming at each road abnormal structure, calculating the structural feature data of the road abnormal structure based on the prior scale features of objects in the shooting range of a vehicle-mounted camera, wherein the structural feature data comprise: one or a combination of the transverse dimension of the road abnormal structure, the longitudinal dimension of the road abnormal structure, the height of the road abnormal structure and the distribution area where the road abnormal structure is located;
determining the rolling times of the abnormal road structure rolled by the vehicle wheels according to the relative positions of the structural characteristic data of the abnormal road structure and the vehicle wheels, and judging whether the rolling times are more than or equal to two times;
and when the rolling times are more than or equal to two times, taking the road abnormal structure as a target abnormal structure.
4. The method for intercepting an incoming call of a driver according to claim 3, wherein the determining the rolling frequency of the vehicle wheel rolling the abnormal road structure according to the relative position of the structural characteristic data of the abnormal road structure and the vehicle wheel comprises:
recognizing the motion track of the vehicle at the current moment, and predicting and extending the motion track according to the corner of a steering wheel of the vehicle to obtain an extended track;
calculating the predicted track of each wheel of the vehicle according to the extended track, the wheel track and the wheel base of the vehicle;
and judging whether the wheel rolls the road abnormal structure or not according to the cross characteristics of the predicted track and the road abnormal structure aiming at the predicted track of each wheel, and further accumulating the rolling times of the vehicle wheel rolling the road abnormal structure.
5. The method as claimed in claim 3, wherein said cross-locating the position of each passenger in the vehicle according to the time difference between the time when the terminal carried by the passenger in the vehicle senses the vibration and the corresponding vibration amplitude comprises:
for each passenger, sensing vibration generated when the wheel rolls a target abnormal structure by using terminal equipment carried by the passenger in the vehicle, and determining a corresponding timestamp according to the moment of the maximum value of the vibration;
and obtaining the distribution characteristics of the vibration according to the time stamp and the vibration amplitude, and determining the position of the passenger in the vehicle according to the distribution characteristics and the sequence order.
6. The method for intercepting an incoming call of a driver according to claim 5, wherein the step of determining the corresponding timestamp according to the moment of the maximum value of the vibration generated when the terminal device carried by the passenger in the vehicle senses the vibration generated when the wheel rolls on the abnormal structure of the target comprises:
the abnormal structure of the rolling target of the front wheel of the terminal device carried by the passenger in the vehicle is used as the first vibration, the abnormal structure of the rolling target of the rear wheel of the vehicle is used as the second vibration, and the corresponding timestamp is determined according to the moment of the maximum value of the vibration generated during the first vibration and the second vibration.
7. A method for intercepting an incoming call of a driver is applied to an operator side, and comprises the following steps:
receiving information that the passenger is driving a vehicle in a seat driver as claimed in any one of claims 1-7;
monitoring an incoming call aiming at a driver, and intercepting the incoming call.
8. The method for intercepting an incoming call of a driver according to claim 7, wherein before the step of monitoring the incoming call for the driver, the method further comprises:
acquiring positioning information of the vehicle-mounted terminal at the current moment, and acquiring all mobile phone numbers and corresponding owner names in a corresponding circumferential range by taking a coordinate corresponding to the positioning information as a center and a preset distance as a radius;
comparing the owner name with the name of the driver to obtain a target number corresponding to the name of the driver;
the monitoring incoming call for the driver comprises the following steps:
and monitoring incoming calls sent to the target mobile phone number.
9. The method for intercepting an incoming driver call according to claim 8, further comprising:
sending a voice prompt whether to leave a message to a caller, receiving a voice message of the caller under the condition of receiving confirmation information of the caller, and playing the voice message to a driver when the execution of the method according to any one of claims 1 to 7 is finished;
alternatively, the first and second electrodes may be,
and when the driver finishes driving, converting the incoming call into an incoming call prompt and sending the incoming call prompt to the mobile phone of the driver.
10. The driver incoming call intercepting system is characterized by comprising a vehicle-mounted terminal and an operator terminal, wherein,
the vehicle-mounted terminal is used for executing the method of any one of claims 1-6;
the operator side is adapted to perform the method according to any of claims 7-9.
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