CN115834672A - Internet of vehicles information processing method and system based on locator - Google Patents
Internet of vehicles information processing method and system based on locator Download PDFInfo
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Abstract
The application provides a vehicle networking information processing method and system based on a locator, wherein the method comprises the following steps: the vehicle-mounted terminal periodically collects a plurality of pieces of coordinate information of the vehicle through the positioner and sends the coordinate information to the data center; the data center arranges the coordinate information in an ascending order according to the acquisition time to obtain a first coordinate sequence, arranges the time in the ascending order to obtain a first time sequence, reserves one coordinate with the same coordinate and adjacent positions in the first coordinate sequence, marks a fixed coordinate to obtain a first coordinate filtering sequence, forms a path by coordinates between adjacent 2 fixed coordinates, traverses coordinates between all adjacent 2 fixed coordinates of the first coordinate filtering sequence to form n paths, divides the first time sequence into 2n +1 corresponding time intervals according to the n paths and the n +1 fixed coordinate, stores the n paths, the n +1 fixed coordinate and the 2n +1 corresponding time intervals by the data center, and deletes the first coordinate sequence. The application has the advantage of low cost.
Description
Technical Field
The invention relates to the field of Internet of vehicles, in particular to a locator-based Internet of vehicles information processing method and system.
Background
The car networking system is divided into three parts: the vehicle-mounted terminal, the cloud computing processing platform and the data analysis platform realize effective monitoring and management of the vehicle according to different functional requirements of different industries on the vehicle. The locator is a common device in a vehicle-mounted terminal, can locate a vehicle, and is a basic accessory for automatic driving of the vehicle.
The existing storage mode of the vehicle for the locator is to realize the storage of the path by locating the coordinate, and the storage mode needs to store massive coordinates, so that the storage capacity of the vehicle networking information is increased, and the information processing cost is increased.
Disclosure of Invention
The embodiment of the invention provides a locator-based vehicle networking information processing method and system, which can realize the state-based storage of vehicle positions, reduce the information storage capacity of vehicles, reduce the cost and improve the experience of users.
In a first aspect, an embodiment of the present invention provides a locator-based information processing method for a vehicle networking, where the method includes:
the vehicle-mounted terminal periodically collects a plurality of pieces of coordinate information of the vehicle through the positioner and sends the coordinate information to the data center;
the data center arranges the coordinate information in an ascending order according to the acquisition time to obtain a first coordinate sequence, arranges the time in the ascending order to obtain a first time sequence, reserves one coordinate with the same coordinate and adjacent positions in the first coordinate sequence, marks the fixed coordinate to obtain a first coordinate filtering sequence, forms a path by coordinates between every two adjacent fixed coordinates, traverses coordinates between every two adjacent fixed coordinates of the first coordinate filtering sequence to form n paths, and divides the first time sequence into 2n +1 corresponding time intervals according to the n paths and the n +1 fixed coordinate;
the data center stores the n paths, the n +1 fixed coordinates and the 2n +1 corresponding time intervals, and deletes the first coordinate sequence.
In a second aspect, a locator-based internet of vehicles information processing system is provided, the system comprising: the system comprises a vehicle-mounted terminal and a data center;
the vehicle-mounted terminal is used for periodically acquiring a plurality of pieces of coordinate information of the vehicle through the positioner; sending the coordinate information to a data center;
the data center is used for arranging the coordinate information in an ascending order according to the acquisition time to obtain a first coordinate sequence, arranging the time in the ascending order to obtain a first time sequence, reserving one coordinate with the same coordinate and adjacent positions in the first coordinate sequence, marking the fixed coordinate to obtain a first coordinate filtering sequence, forming a path by coordinates between every two adjacent fixed coordinates, traversing all the coordinates between every two adjacent fixed coordinates of the first coordinate filtering sequence to form n paths, dividing the first time sequence into 2n +1 corresponding time intervals according to the n paths and the n +1 fixed coordinate, storing the n paths, the n +1 fixed coordinate and the 2n +1 corresponding time intervals, and deleting the first coordinate sequence.
In a third aspect, a computer-readable storage medium is provided, which stores a program for electronic data exchange, wherein the program causes a terminal to execute the method provided in the first aspect.
The embodiment of the invention has the following beneficial effects:
according to the technical scheme, the vehicle-mounted terminal periodically collects a plurality of pieces of coordinate information of the vehicle through the positioner and sends the coordinate information to the data center; the data center arranges the coordinate information in an ascending order according to the acquisition time to obtain a first coordinate sequence, arranges the time in the ascending order to obtain a first time sequence, reserves one coordinate with the same coordinate and adjacent positions in the first coordinate sequence, marks a fixed coordinate to obtain a first coordinate filtering sequence, forms a path by coordinates between adjacent 2 fixed coordinates, traverses all coordinates between adjacent 2 fixed coordinates of the first coordinate sequence to form n paths, divides the first time sequence into 2n +1 corresponding time intervals according to the n paths and the n +1 fixed coordinate, stores the n paths, the n +1 fixed coordinate and the 2n +1 corresponding time intervals by the data center, and deletes the first coordinate sequence. Therefore, the data center does not need to store a plurality of coordinates and the time corresponding to each coordinate, and only needs to store the corresponding time interval, path and fixed coordinates, so that the storage space is saved, the storage cost is reduced, and the user experience is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a vehicle-mounted terminal;
FIG. 2 is a schematic flow chart diagram of a locator-based vehicle networking information processing method;
FIG. 3 is a schematic diagram of a locator-based vehicle networking information processing system;
figure 4 is a schematic diagram of the intersection of a fingerprint picture with vertical equidistant lines.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of the invention and in the accompanying drawings are used for distinguishing between different elements and not for describing a particular sequential order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, result, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 provides a vehicle-mounted terminal, where the vehicle-mounted terminal may be a terminal of an IOS system, an android system, or a terminal of another system, such as a hong meng system, for example, the application is not limited to the above specific system, and as shown in fig. 1, the vehicle-mounted terminal may specifically include: the device comprises a processor, a memory, a display screen, a communication circuit and a locator, wherein the components can be connected through a bus or in other ways, and the application is not limited to the specific way of the connection.
The locator may also be integrated in the processor, and of course, the locator may also exist in the vehicle-mounted terminal alone or in other forms, and the present application does not limit the concrete expression form of the locator.
In practical applications, corresponding functional modules, such as a biometric module, a camera, etc., can be added according to different functions.
For a positioner, the realization of the positioner is based on the positioning of coordinates, such as Beidou coordinates, GPS coordinates and the like, and as the acquisition frequency of the coordinates is higher and the period is shorter and shorter in order to better reflect the position of a vehicle, the number of the acquired coordinate positions is large, direct storage occupies a large amount of storage space, the amount of stored data is increased, and all coordinate storage is not required to be completely stored.
Referring to fig. 2, fig. 2 provides a locator-based car networking information processing method, which is shown in fig. 2 and can be executed in a car networking system, and the car networking system comprises: the vehicle-mounted terminal and the data center are structurally shown in fig. 1, and the method specifically includes:
step S201, a vehicle-mounted terminal periodically collects a plurality of pieces of coordinate information of a vehicle through a locator and sends the coordinate information to a data center;
step S202, the data center arranges the coordinate information according to the ascending order of the acquisition time to obtain a first coordinate sequence, arranges the time according to the ascending order to obtain a first time sequence, reserves one coordinate with the same coordinate and adjacent positions in the first coordinate sequence, marks a fixed coordinate to obtain a first coordinate filtering sequence, forms a path by the coordinates between every two adjacent fixed coordinates, traverses the coordinates between every two adjacent fixed coordinates of the first coordinate filtering sequence to form n paths, and divides the first time sequence into 2n +1 corresponding time intervals according to the n paths and the n +1 fixed coordinate;
step S203, the data center stores the n paths, the n +1 fixed coordinates, and 2n +1 corresponding time intervals, and deletes the first coordinate sequence.
According to the technical scheme, the vehicle-mounted terminal periodically collects a plurality of pieces of coordinate information of the vehicle through the positioner and sends the coordinate information to the data center; the data center arranges the coordinate information in an ascending order according to the acquisition time to obtain a first coordinate sequence, arranges the time in the ascending order to obtain a first time sequence, reserves one coordinate with the same coordinate and adjacent positions in the first coordinate sequence, marks a fixed coordinate to obtain a first coordinate filtering sequence, forms a path by coordinates between adjacent 2 fixed coordinates, traverses all coordinates between adjacent 2 fixed coordinates of the first coordinate sequence to form n paths, divides the first time sequence into 2n +1 corresponding time intervals according to the n paths and the n +1 fixed coordinate, stores the n paths, the n +1 fixed coordinate and the 2n +1 corresponding time intervals by the data center, and deletes the first coordinate sequence. Therefore, the data center does not need to store a plurality of coordinates and the time corresponding to each coordinate, and only needs to store the corresponding time interval, path and fixed coordinates, so that the storage space is saved, the storage cost is reduced, and the user experience is improved.
Example one
In the first embodiment of the present application, a vehicle-mounted terminal is taken as an example, where the vehicle-mounted terminal may be a vehicle-mounted terminal as shown in fig. 1, and it is assumed that a plurality of pieces of coordinate information sent by a locator are 10 pieces of coordinate information, which are, respectively, coordinate 1, coordinate 2, coordinate 3, coordinate 4, coordinate 5, and coordinate 6; the corresponding time is time 1, time 2, time 3, time 4, time 5, time 6, time 7, time 8, time 9 and time 10; the time 1 and the time 2 are arranged in time sequence, the coordinate 1 represents a coordinate, the coordinate 2 represents a coordinate, and the coordinate 3 represents a coordinate. The locator-based vehicle networking information processing method comprises the following specific implementation steps:
step 1: the vehicle-mounted terminal sends the 10 coordinates (coordinate 1, coordinate 2, coordinate 3, coordinate 4, coordinate 5, coordinate 6) and 10 times (time 1, time 2, time 3, time 4, time 5, time 6, time 7, time 8, time 9, time 10) to a data center;
step 2: the data center enables 10 coordinates to form a first coordinate sequence, namely (coordinate 1, coordinate 2, coordinate 3, coordinate 4, coordinate 5 and coordinate 6), obtains a first coordinate filtering sequence (coordinate 1, coordinate 2, coordinate 3, coordinate 4, coordinate 5 and coordinate 6) by marking the same coordinate, namely coordinate 3 and adjacent fixed coordinates, and forms n paths, namely coordinate 1-coordinate 2, coordinate 2-coordinate 3, coordinate 3-coordinate 4, coordinate 4-coordinate 5, coordinate 5-coordinate 6; dividing the time into 2n +1 time intervals, namely time 1, time 1-time 2, time 2-time 3 and time 3-time 7; time 7-time 8, time 8-time 9, time 9-time 10, time 10.
And step 3: the data center stores the path, coordinates, and time intervals.
For example, the method may further include:
the method comprises the steps that a vehicle-mounted terminal collects biological feature information of a driver, a first identity is obtained by identifying the biological feature information and is sent to a data center, the data center builds a mapping relation between the first identity and n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals, the data center receives a data extraction request sent by the vehicle-mounted terminal, a second identity of the data extraction request is obtained, n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals matched with the second identity are extracted, and the n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals matched with the second identity are sent to the vehicle-mounted terminal.
For example, the mapping relationship is: a one-to-many mapping relationship of the first identity with n paths, n +1 fixed coordinates, and 2n +1 corresponding time intervals, where the first identity is one and the rest are many.
The scheme can match the identity with the stored data, improves the privacy of the user, and avoids the track leakage of the user.
For example, if the biometric information is a black-and-white fingerprint picture, identifying the biometric information to obtain the first identity specifically may include:
constructing H1 vertical equidistant lines on the black-and-white fingerprint picture, intersecting each equidistant line of the H1 vertical equidistant lines with the fingerprint lines of the black-and-white fingerprint picture to obtain a plurality of intersection points, and inputting the number of pixel points between the intersection points of each equidistant line in the H1 vertical equidistant lines into an input matrix from left to right in the order from top to bottom (with the positions of the intersection points) to obtain an input matrix; and performing volume difference operation on the input matrix and the template matrix to obtain a plurality of volume difference values, and if the volume difference values have values smaller than a first threshold value, determining the identity of the fingerprint picture as a first identity corresponding to the template matrix.
For example, the step of performing the volume difference operation on the input matrix and the template matrix to obtain a plurality of volume difference values may specifically include:
the mobile terminal cuts out a cutting matrix with the same size (such as H1W 1) as the input matrix from the template matrix, calculates the difference between the cutting matrix and the input matrix to obtain a roll difference value, then moves an element value in front of the input matrix as a basic cutting unit or in front of the input matrix and in back of the input matrix, cuts to obtain a cutting matrix after moving once, and executes the difference between the cutting matrix and the input matrix to obtain a roll difference value until the template matrix is cut completely.
Example two
In the second embodiment of the present application, a vehicle-mounted terminal is taken as an example for explanation, where the vehicle-mounted terminal may be a vehicle-mounted terminal as shown in fig. 1, it is assumed here that the number of multiple intersection points where H1 vertical equidistant lines intersect with a black-and-white fingerprint picture is 11, the fingerprint picture and the vertical equidistant lines are shown in fig. 4, the number of the intersection points in fig. 4 is for convenience of explanation, and is not 11, a part of the intersection points in fig. 4 are indicated by black dots, and all the intersection points indicate an influence effect, and are therefore indicated by a part of the intersection points; w1=10 (of course, in practical applications, the value thereof is generally larger), in practical applications, the number of intersection points where H1 number equidistant lines intersect with the black-and-white fingerprint picture may be different, and if the number of intersection points is different, for example, the number of intersection points where some vertical lines in H1 number equidistant lines intersect with the black-and-white fingerprint picture is greater than 11, for example, 13, then the middle 11 intersection points are taken from 13 intersection points, that is, the first 1 intersection points and the last 1 intersection points are removed; inputting the number of pixel points between the intersection points of each vertical line into an input matrix from left to right in sequence (with the positions of the intersection points) from top to bottom to obtain an input matrix [ H1] [10], then cutting out a cut [ H1] [10] from the template matrix and the input matrix [ H1] [10] to perform difference operation to obtain a volume difference value, and if the volume difference value is smaller than a first threshold value, determining the identity of the fingerprint picture as a first identity corresponding to the template matrix.
For example, the method may further include:
when the vehicle-mounted terminal determines that the coordinate information of the locator does not change, a counter is started, the counter is used for adding 1 to a count value every time the locator collects coordinates, when the vehicle-mounted terminal determines that the count value is larger than a quantity threshold value, the camera is controlled to collect surrounding image information, the image information and the user identity are sent to a data center, the data center receives an inquiry request (which can be an inquiry request sent by a mobile phone), the inquiry request contains a third identity, and after the data center successfully verifies the third identity, an inquiry response is returned to carry the image information corresponding to the third identity.
According to the situation, the situation that the user can not find the parking space and can not remember the license plate of the user can be avoided, the position of the vehicle can be inquired and obtained, and the user can conveniently inquire the position of the vehicle.
Referring to fig. 3, fig. 3 provides a locator-based internet of vehicle information handling system, the system comprising: the system comprises a vehicle-mounted terminal and a data center;
the vehicle-mounted terminal is used for periodically acquiring a plurality of pieces of coordinate information of the vehicle through the positioner; sending the coordinate information to a data center;
the data center is used for arranging the coordinate information in an ascending order according to the acquisition time to obtain a first coordinate sequence, arranging the time in the ascending order to obtain a first time sequence, reserving one coordinate with the same coordinate and adjacent positions in the first coordinate sequence, marking the fixed coordinate to obtain a first coordinate filtering sequence, forming a path by coordinates between every two adjacent fixed coordinates, traversing all the coordinates between every two adjacent fixed coordinates of the first coordinate filtering sequence to form n paths, dividing the first time sequence into 2n +1 corresponding time intervals according to the n paths and the n +1 fixed coordinate, storing the n paths, the n +1 fixed coordinate and the 2n +1 corresponding time intervals, and deleting the first coordinate sequence.
As an example of this, it is possible to provide,
the vehicle-mounted terminal is further used for acquiring the biological feature information of the driver, identifying the biological feature information to obtain a first identity, sending the first identity to the data center, constructing a mapping relation between the first identity and n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals by the data center, receiving a data extraction request sent by the vehicle-mounted terminal by the data center, obtaining a second identity of the data extraction request, extracting n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals matched with the second identity, and sending the n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals matched with the second identity to the vehicle-mounted terminal.
As an example, if the biometric information is a black and white fingerprint picture,
the vehicle-mounted terminal is specifically used for constructing H1 vertical equidistant lines on the black-and-white fingerprint picture, each equidistant line of the H1 vertical equidistant lines is intersected with a fingerprint line of the black-and-white fingerprint picture to obtain a plurality of intersection points, and the number of pixel points between the intersection points of each equidistant line in the H1 equidistant lines is input into an input matrix from left to right in sequence from top to bottom to obtain an input matrix; and performing volume difference operation on the input matrix and the template matrix to obtain a plurality of volume difference values, and if the volume difference values have values smaller than a first threshold value, determining the identity of the fingerprint picture as a first identity corresponding to the template matrix.
As an example of this, it is possible to provide,
the vehicle-mounted terminal is further used for starting a counter when the coordinate information of the locator is not changed, the counter is used for adding 1 to a count value when the locator collects the coordinates once, the vehicle-mounted terminal controls the camera to collect surrounding image information and sends the image information and the user identity to the data center when the count value is determined to be larger than a quantity threshold value, the data center receives an inquiry request, the inquiry request comprises a third identity, and after the data center successfully verifies the third identity, an inquiry response is returned to carry the image information corresponding to the third identity.
Embodiments of the present invention further provide a computer storage medium, where the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the locator-based vehicle networking information processing methods described in the above method embodiments.
Embodiments of the present invention further provide a computer program product, which includes a non-transitory computer readable storage medium storing a computer program, the computer program being operable to cause a computer to perform some or all of the steps of any one of the locator-based internet of vehicles information processing methods as described in the above method embodiments.
It should be noted that for simplicity of description, the above-mentioned method embodiments are described as a series of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may be performed in other orders or concurrently in accordance with the present invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are exemplary embodiments and that the acts and modules illustrated are not necessarily required to practice the invention.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed coupling or direct coupling or communication connection between each other may be through some interfaces, indirect coupling or communication connection between devices or units, and may be in an electrical or other form.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, read-Only memories (ROMs), random Access Memories (RAMs), magnetic or optical disks, and the like.
The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A locator-based Internet of vehicles information processing method is characterized by comprising the following steps:
the vehicle-mounted terminal periodically collects a plurality of pieces of coordinate information of the vehicle through the positioner and sends the coordinate information to the data center;
the data center arranges the coordinate information in an ascending order according to the acquisition time to obtain a first coordinate sequence, arranges the time in the ascending order to obtain a first time sequence, reserves one coordinate with the same coordinate and adjacent positions in the first coordinate sequence, marks the fixed coordinate to obtain a first coordinate filtering sequence, forms a path by coordinates between every two adjacent fixed coordinates, traverses coordinates between every two adjacent fixed coordinates of the first coordinate filtering sequence to form n paths, and divides the first time sequence into 2n +1 corresponding time intervals according to the n paths and the n +1 fixed coordinate;
the data center stores the n paths, the n +1 fixed coordinates and 2n +1 corresponding time intervals, and deletes the first coordinate sequence.
2. The method of claim 1, further comprising:
the method comprises the steps that a vehicle-mounted terminal collects biological feature information of a driver, a first identity is obtained by identifying the biological feature information and is sent to a data center, the data center builds a mapping relation between the first identity and n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals, the data center receives a data extraction request sent by the vehicle-mounted terminal, a second identity of the data extraction request is obtained, n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals matched with the second identity are extracted, and the n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals matched with the second identity are sent to the vehicle-mounted terminal.
3. The method of claim 2, wherein identifying the biometric information to obtain the first identity includes:
constructing H1 vertical equidistant lines on the black-and-white fingerprint picture, intersecting each equidistant line of the H1 vertical equidistant lines with the fingerprint line of the black-and-white fingerprint picture to obtain a plurality of intersection points, and inputting the number of pixel points between the intersection points of each equidistant line in the H1 equidistant lines from left to right in sequence from top to bottom to obtain an input matrix; and performing volume difference operation on the input matrix and the template matrix to obtain a plurality of volume difference values, and if the volume difference values have values smaller than a first threshold value, determining the identity of the fingerprint picture as a first identity corresponding to the template matrix.
4. The method of claim 1, further comprising:
when the vehicle-mounted terminal determines that the coordinate information of the locator does not change, a counter is started, the counter is used for adding 1 to a count value every time the locator collects coordinates, when the vehicle-mounted terminal determines that the count value is larger than a quantity threshold value, the camera is controlled to collect surrounding image information, the image information and the user identity are sent to a data center, the data center receives an inquiry request, the inquiry request comprises a third identity, and after the data center successfully verifies the third identity, an inquiry response is returned to carry the image information corresponding to the third identity.
5. A locator-based internet of vehicles information processing system, the system comprising: the system comprises a vehicle-mounted terminal and a data center;
the vehicle-mounted terminal is used for periodically acquiring a plurality of pieces of coordinate information of the vehicle through the positioner; sending the coordinate information to a data center;
the data center is used for arranging the coordinate information in an ascending order according to the acquisition time to obtain a first coordinate sequence, arranging the time in the ascending order to obtain a first time sequence, reserving one coordinate with the same coordinate and adjacent positions in the first coordinate sequence, marking the fixed coordinate to obtain a first coordinate filtering sequence, forming a path by coordinates between every two adjacent fixed coordinates, traversing all the coordinates between every two adjacent fixed coordinates of the first coordinate filtering sequence to form n paths, dividing the first time sequence into 2n +1 corresponding time intervals according to the n paths and the n +1 fixed coordinate, storing the n paths, the n +1 fixed coordinate and the 2n +1 corresponding time intervals, and deleting the first coordinate sequence.
6. The system of claim 5,
the vehicle-mounted terminal is further used for acquiring the biological feature information of the driver, identifying the biological feature information to obtain a first identity, sending the first identity to the data center, constructing a mapping relation between the first identity and n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals by the data center, receiving a data extraction request sent by the vehicle-mounted terminal by the data center, obtaining a second identity of the data extraction request, extracting n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals matched with the second identity, and sending the n paths, n +1 fixed coordinates and 2n +1 corresponding time intervals matched with the second identity to the vehicle-mounted terminal.
7. The system of claim 6, wherein if the biometric information is a black and white fingerprint picture,
the vehicle-mounted terminal is specifically used for constructing H1 vertical equidistant lines in the black-and-white fingerprint picture, each equidistant line of the H1 vertical equidistant lines is intersected with a fingerprint line of the black-and-white fingerprint picture to obtain a plurality of intersection points, and the number of pixel points between the intersection points of each equidistant line in the H1 equidistant lines is input from left to right in the sequence from top to bottom to obtain an input matrix; and performing volume difference operation on the input matrix and the template matrix to obtain a plurality of volume difference values, and if the volume difference values have values smaller than a first threshold value, determining the identity of the fingerprint picture as a first identity corresponding to the template matrix.
8. The system of claim 5,
the vehicle-mounted terminal is further used for starting a counter when the coordinate information of the locator is not changed, the counter is used for adding 1 to a count value when the locator collects the coordinates once, the vehicle-mounted terminal controls the camera to collect surrounding image information and sends the image information and the user identity to the data center when the count value is determined to be larger than a quantity threshold value, the data center receives an inquiry request, the inquiry request comprises a third identity, and after the data center successfully verifies the third identity, an inquiry response is returned to carry the image information corresponding to the third identity.
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