CN112860924A - Road traffic auxiliary sign generation method, device, equipment and medium - Google Patents

Road traffic auxiliary sign generation method, device, equipment and medium Download PDF

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Publication number
CN112860924A
CN112860924A CN202011632212.3A CN202011632212A CN112860924A CN 112860924 A CN112860924 A CN 112860924A CN 202011632212 A CN202011632212 A CN 202011632212A CN 112860924 A CN112860924 A CN 112860924A
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China
Prior art keywords
mark
auxiliary
type
sign
main
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段克敏
周业基
沙志仁
熊志
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Guangzhou Fangwei Smart Brain Research And Development Co ltd
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Guangzhou Fangwei Smart Brain Research And Development Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G06F16/51—Indexing; Data structures therefor; Storage structures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G06F16/56—Information retrieval; Database structures therefor; File system structures therefor of still image data having vectorial format
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/5866—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using information manually generated, e.g. tags, keywords, comments, manually generated location and time information
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/26—Government or public services

Abstract

The invention discloses a method, a device, equipment and a medium for generating a road traffic auxiliary sign, wherein the method comprises the following steps: determining main mark information of an auxiliary mark to be established, wherein the main mark information comprises the type, the position and the influence range of the main mark; determining the type of an auxiliary mark to be established; determining the information semantics of the auxiliary mark combined with the main mark according to the type of the main mark and the type of the auxiliary mark; determining the incidence relation between the main mark and the auxiliary mark according to the information semantics; and generating the SVG graph of the auxiliary mark according to the incidence relation. The embodiment of the invention improves the information quantity provided by the traffic auxiliary sign and the information accuracy, and can be widely applied to the technical field of traffic control.

Description

Road traffic auxiliary sign generation method, device, equipment and medium
Technical Field
The invention relates to the technical field of traffic control, in particular to a method, a device, equipment and a medium for generating a road traffic auxiliary sign.
Background
The current manufacturing of the auxiliary mark is performed by identifying and positioning data collected by field work and is completed by manual manufacturing, and the auxiliary mark is auxiliary to the main mark, so that the auxiliary mark is further limited and supplemented to the main mark, and is a provision of increased condition limitation and finer granularity.
The current auxiliary signs are only limited to the display of information in the aspect of facilities and are displayed in the form of pictures, the contained information is the attribute of some auxiliary signs, the traffic semantics to be expressed are difficult to express, and the information such as the time period, the influence area, the vehicle type, the distance direction and the like represented by the auxiliary signs are difficult to participate in analysis and calculation in the traffic operation analysis process.
The existing auxiliary sign is only a picture for displaying, and the back of the auxiliary sign has no regional spatial information, even if the picture can display the type and attribute information of vehicles, the information is isolated and has no relation with corresponding road sections or road network regions; even if the auxiliary sign has time information, the time information is not related to the road or lane information defined by the main sign, and thus the calculation of the operation index or the evaluation index cannot be performed during the traffic operation analysis.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a method, an apparatus, a device and a medium for generating a road traffic assistant sign, so as to improve the amount of information provided by the traffic assistant sign and improve the accuracy of the information.
One aspect of the present invention provides a method for generating a road traffic auxiliary sign, including:
determining main mark information of an auxiliary mark to be established, wherein the main mark information comprises the type, the position and the influence range of the main mark;
determining the type of an auxiliary mark to be established;
determining the information semantics of the auxiliary mark combined with the main mark according to the type of the main mark and the type of the auxiliary mark;
determining the incidence relation between the main mark and the auxiliary mark according to the information semantics;
and generating the SVG graph of the auxiliary mark according to the incidence relation.
Preferably, the determining the main flag information of the auxiliary flag to be established includes:
selecting a main mark needing to establish an auxiliary mark;
determining a type of the primary flag; the types of the main signs include but are not limited to a forbidden sign, an indicating sign, a direction sign, a tourist area sign and a warning sign;
determining the position and the influence range of the main mark according to the selected main mark;
the influence range of the main mark comprises an influence area, an influence road section, an influence lane and an influence place.
Preferably, the determining of the type of the auxiliary sign to be established includes, but is not limited to, time, vehicle type, vehicle attribute, road direction, area, and distance.
Preferably, the determining the information semantics after the auxiliary mark is combined with the main mark according to the type of the main mark and the type of the auxiliary mark includes:
for a main mark with the type of a prohibition mark, when the type of the auxiliary mark is time, the information semantic representation is used for prohibiting the prohibition to take effect within the specified time; when the type of the auxiliary mark is a vehicle type, the information semantic representation forbids the vehicle of a specified type to be effective; when the type of the auxiliary mark is a vehicle attribute, the information semantic representation forbids the vehicle with the specified attribute to be effective; when the type of the auxiliary mark is a road direction, the information semantic representation forbids to take effect in a specified direction; when the type of the auxiliary mark is an area, the information semantic representation forbids the effect in a specified area range; when the type of the auxiliary mark is distance, the information semantic representation forbids the command to take effect within a specified distance range;
for a main mark with the type as an indication mark, when the type of the auxiliary mark is time, the information semantic representation indicates to be effective within a specified time; when the type of the auxiliary sign is a vehicle type, the information semantic representation indicates that a vehicle of a specified type is in effect; when the type of the auxiliary mark is a road direction, the information semantic representation indicates the corresponding direction; when the type of the auxiliary mark is an area, the information semantic representation indicates that the auxiliary mark is effective within a specified area range; when the type of the auxiliary mark is distance, the information semantic represents a facility indicated by an indication mark in a specified distance range;
for a main sign with the type of a road sign, when the type of the auxiliary sign is a road direction, the information semantic representation indicates that the indication is effective in a specified direction; when the type of the auxiliary mark is distance, the information semantic meaning represents the distance to the pointed facility and place;
for the main sign with the type of the warning sign, when the type of the auxiliary sign is the distance, the information semantically represents the length of the road section of the road condition shown or the distance from the facility shown by the warning sign.
Preferably, the determining the association relationship between the primary flag and the secondary flag according to the information semantics includes:
establishing the relationship between the auxiliary mark and the region, the road section and the lane;
establishing a time period information relationship between the auxiliary mark and the main mark influence area;
establishing a vehicle type relation represented by the road or the road section and the auxiliary mark;
establishing a vehicle attribute relationship represented by the road or the road section and the auxiliary mark;
establishing a spatial orientation relation between a current road section and the direction pointed by the auxiliary mark;
and establishing a distance relation between the positions, facilities, services and the like pointed by the auxiliary mark and the main mark.
Preferably, the generating the SVG graph of the auxiliary mark according to the association relationship includes:
and establishing a relation between the SVG icon and the spatial data of the area influenced by the auxiliary mark.
The embodiment of the invention also provides a device for generating the road traffic auxiliary sign, which comprises:
the device comprises a first determining module, a second determining module and a third determining module, wherein the first determining module is used for determining main mark information of an auxiliary mark to be established, and the main mark information comprises the type, the position and the influence range of the main mark;
the second determining module is used for determining the type of the auxiliary mark to be established;
a third determining module, configured to determine, according to the type of the main token and the type of the auxiliary token, an information semantic of the auxiliary token combined with the main token;
a fourth determining module, configured to determine, according to the information semantics, an association relationship between the main token and the auxiliary token;
and the generating module is used for generating the SVG graph of the auxiliary mark according to the incidence relation.
The embodiment of the invention also provides the electronic equipment, which comprises a processor and a memory;
the memory is used for storing programs;
the processor executes the program to implement the method as described above.
An embodiment of the present invention further provides a computer-readable storage medium, where the storage medium stores a program, and the program is executed by a processor to implement the method described above.
The embodiment of the invention also discloses a computer program product or a computer program, which comprises computer instructions, and the computer instructions are stored in a computer readable storage medium. The computer instructions may be read by a processor of a computer device from a computer-readable storage medium, and the computer instructions executed by the processor cause the computer device to perform the foregoing method.
The embodiment of the invention firstly determines the main mark information of the auxiliary mark to be established, wherein the main mark information comprises the type, the position and the influence range of the main mark; determining the type of an auxiliary mark to be established; determining the information semantics of the auxiliary mark combined with the main mark according to the type of the main mark and the type of the auxiliary mark; determining the incidence relation between the main mark and the auxiliary mark according to the information semantics; and generating the SVG graph of the auxiliary mark according to the incidence relation. The embodiment of the invention improves the information quantity provided by the traffic auxiliary sign and improves the accuracy of the information.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, 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 only some embodiments of the present application, 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 flow chart of steps provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of a main sign impact area as a lane according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating the type of the auxiliary flag provided by the embodiment of the present invention as time;
fig. 4 is a schematic diagram of an information relationship constructed by the main flag and the auxiliary flag according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Aiming at the problems in the prior art, the invention establishes a relationship between the information specifically specified and expressed by the auxiliary marks such as the time, the vehicle type, the attribute, the region, the distance direction and the like of the auxiliary marks and the information specified by the main mark, and simultaneously unifies the spatial data of roads, lanes, road sections and the like influenced by the auxiliary marks with the auxiliary marks, so that the auxiliary marks have the characteristics of time and space and can conveniently participate in traffic operation analysis and evaluation.
Specifically, as shown in fig. 1, the method for generating a road traffic auxiliary sign according to the embodiment of the present invention includes the following steps:
determining main mark information of an auxiliary mark to be established, wherein the main mark information comprises the type, the position and the influence range of the main mark;
determining the type of an auxiliary mark to be established;
determining the information semantics of the auxiliary mark combined with the main mark according to the type of the main mark and the type of the auxiliary mark;
determining the incidence relation between the main mark and the auxiliary mark according to the information semantics;
and generating the SVG graph of the auxiliary mark according to the incidence relation.
Preferably, the determining the main flag information of the auxiliary flag to be established includes:
selecting a main mark needing to establish an auxiliary mark;
determining a type of the primary flag; the types of the main signs include but are not limited to a forbidden sign, an indicating sign, a direction sign, a tourist area sign and a warning sign;
determining the position and the influence range of the main mark according to the selected main mark;
the influence range of the main mark comprises an influence area, an influence road section, an influence lane and an influence place.
Preferably, the determining of the type of the auxiliary sign to be established includes, but is not limited to, time, vehicle type, vehicle attribute, road direction, area, and distance.
Preferably, the determining the information semantics after the auxiliary mark is combined with the main mark according to the type of the main mark and the type of the auxiliary mark includes:
for a main mark with the type of a prohibition mark, when the type of the auxiliary mark is time, the information semantic representation is used for prohibiting the prohibition to take effect within the specified time; when the type of the auxiliary mark is a vehicle type, the information semantic representation forbids the vehicle of a specified type to be effective; when the type of the auxiliary mark is a vehicle attribute, the information semantic representation forbids the vehicle with the specified attribute to be effective; when the type of the auxiliary mark is a road direction, the information semantic representation forbids to take effect in a specified direction; when the type of the auxiliary mark is an area, the information semantic representation forbids the effect in a specified area range; when the type of the auxiliary mark is distance, the information semantic representation forbids the command to take effect within a specified distance range;
for a main mark with the type as an indication mark, when the type of the auxiliary mark is time, the information semantic representation indicates to be effective within a specified time; when the type of the auxiliary sign is a vehicle type, the information semantic representation indicates that a vehicle of a specified type is in effect; when the type of the auxiliary mark is a road direction, the information semantic representation indicates the corresponding direction; when the type of the auxiliary mark is an area, the information semantic representation indicates that the auxiliary mark is effective within a specified area range; when the type of the auxiliary mark is distance, the information semantic represents a facility indicated by an indication mark in a specified distance range;
for a main sign with the type of a road sign, when the type of the auxiliary sign is a road direction, the information semantic representation indicates that the indication is effective in a specified direction; when the type of the auxiliary mark is distance, the information semantic meaning represents the distance to the pointed facility and place;
for the main sign with the type of the warning sign, when the type of the auxiliary sign is the distance, the information semantically represents the length of the road section of the road condition shown or the distance from the facility shown by the warning sign.
Preferably, the determining the association relationship between the primary flag and the secondary flag according to the information semantics includes:
establishing the relationship between the auxiliary mark and the region, the road section and the lane;
establishing a time period information relationship between the auxiliary mark and the main mark influence area;
establishing a vehicle type relation represented by the road or the road section and the auxiliary mark;
establishing a vehicle attribute relationship represented by the road or the road section and the auxiliary mark;
establishing a spatial orientation relation between a current road section and the direction pointed by the auxiliary mark;
and establishing a distance relation between the positions, facilities, services and the like pointed by the auxiliary mark and the main mark.
Preferably, the generating the SVG graph of the auxiliary mark according to the association relationship includes:
and establishing a relation between the SVG icon and the spatial data of the area influenced by the auxiliary mark.
The following describes in detail a specific implementation process of the method for generating a road traffic auxiliary sign according to the present invention, with reference to the drawings of the specification:
1) determining a primary flag for which a secondary flag needs to be established, comprising the steps of a-C:
A. a primary flag is selected that requires the establishment of a secondary flag.
B. The type of the primary flag is identified. Forbidden mark (ps), indication mark (ms), direction mark (gs), tourist area mark (tas) and warning mark (ws).
C. The position (X, Y) of the marker is determined.
2) Determining a primary marker influence range, wherein the influence range includes, but is not limited to, the following A-E:
A. region (region): the main sign refers to an area, or the sign expresses a traffic regulation for an area, for example: tourist area, service area, construction area, etc. the spatial data in this area is: region { RX1RY1，RX2RY2，……RXnRYn，RX1RY1}。
B. Link (link): the main mark means oneIndividual road sections, for example: the method comprises the following steps of (1) a whistling-prohibited road section, a speed-limited road section, a parking-prohibited road section and the like, wherein the spatial data of the road section are as follows: link { X1kY1k，X2kY2k，……XnkYnk}
C. One side of the link (left Lside, right Rside): the main sign refers to a certain side of the road segment, for example: dam road sign (left side, or right side), rockfall sign (left side, or right side), etc., and the spatial data is: lside { LX1kLY1k，LX2kLY2k，……LXnkLYnk}, or else rssi { RX1kRY1k，RX2kRY2k，……RXnkRYnk}
D. Lane (lane): the main sign refers to a lane, for example: public transit lane, morning and evening way, directional lane etc. and the spatial data is: lane { X)1iY1i，X2iY2i，……XniYni}. As shown in fig. 2, the main sign influence area is a lane.
Poi point (p): the main mark refers to a place or a certain facility name, and the spatial data is as follows: p (X, Y)
3) Determining an auxiliary flag type, wherein the auxiliary flag type includes, but is not limited to, the following A-G:
A. expressed time (period): represents a time period such as: 7: 00-9: 00, 17: 00-19: 00, etc., as shown in fig. 3, when the auxiliary mark is time, the corresponding auxiliary mark is shown schematically.
B. Indicates a vehicle type (type): represents a class of vehicles such as: trucks, tractors.
C. Representation property (property): representing an attribute of the vehicle such as weight, height, etc., for example: 10T, 4 m.
D. Direction (direction): indicating the direction of the road or location to which the sign points, or the direction specified by the sign.
E. Area (area): indicating a certain range, such as within a two-loop area.
F. Distance (distance): the distance to the road or location to which the sign refers, or the distance or area specified by the sign.
G. Represents a warning, prohibition reason (reason): school, landslide, accident, etc.
4) Establishing information relationships
A. The main signs are: forbidden sign (ps)
a) Auxiliary mark represents time (ps _ period)
The disable flag is asserted for a period of time specified by ps _ period. During the period ps _ period, the vehicle is prohibited from passing through, steering, whistling, overtaking, stopping and the like, and the change of the vehicle track in a certain area, road section and lane is influenced, and the path planning of the vehicle is influenced dynamically.
b) The auxiliary mark indicates the type of vehicle (ps _ type)
The vehicle of the vehicle type ps _ type is forbidden, and the route of the vehicle of the ps _ type cannot pass through the road indicated by the forbidden sign in the daily driving process, so that the road section is avoided in the route planning or navigation process.
c) The auxiliary mark represents the vehicle property (ps _ property)
A vehicle with ps _ property will be subject to actions prohibited by the forbidden tokens, the height of tunnels, overpasses, gantries, the bearing weight of bridges, overhead, etc.
d) Auxiliary sign indicating direction (ps _ direction)
In the ps _ direction, the information expressed by the main flag will be disabled.
e) Supplementary mark indicating area (ps _ area)
Within this ps _ area region, the information expressed by the main flag will be disabled.
f) Auxiliary symbol indicating distance (ps _ distance)
And taking the current forbidden sign as a reference, and enabling the forbidden sign to take effect within the range of the ps _ distance.
g) Auxiliary sign indicating reason (ps _ reason)
The reason for the ban.
B. The main signs are: indication mark (ms)
a) Auxiliary mark represents time (ms _ period)
Within ms _ period, an indicator is active, for example: parking in a time-limited section, parking in a time-limited period, special parking signs, turning in a time-limited section, turning around in a time-limited section and the like.
b) The auxiliary flag indicates the type of vehicle (ms _ type)
The vehicle of ms _ type follows information expressed by a master flag (indicator flag), for example: a stop point of the school bus,
taxi stops, and the like. Bus lanes, motorways, etc.
c) Auxiliary sign indicating direction (ms _ direction)
The ms _ direction is a direction specified by the indicator, or an area indicated by the indicator is in the direction, or a place indicated by the indicator is in the direction, for example, a parking lot is in a certain direction.
d) Auxiliary mark indicating area (ms _ area)
The indicator specifies the extent of the region.
e) Auxiliary symbol represents distance (ms _ distance)
From the current position ms distance, there is a facility indicated by the indicator.
C. The main signs are: road sign (gs)
a) Auxiliary sign indicating direction (gs _ direction)
The direction indication sign indicates the direction of the road, the place and the facility indicated by the direction indication sign.
b) Auxiliary sign indicating distance (gs _ distance)
The pair-way index indicates a distance to reach a facility, a place, or a length of a facility or a section of road indicated by the pair-way index. For example: the length of the tunnel.
D. The main signs are: warning sign (ws)
a) Auxiliary sign indicating distance (ws _ distance)
The length of the road section indicated by the warning sign, or the distance from the facility indicated by the warning sign. For example: steep slope length, continuous curved road length, distance from a tunnel, etc.
b) Auxiliary sign indicating reason (ws _ reason)
The reason why the warning flag marks the contents of the warning, for example: recommended vehicle speed at the exit, a slow running warning sign for an examination route, a block stone (road surface unevenness warning sign), and the like.
E. The main signs are: tourist area sign (tas)
a) Auxiliary sign indicating direction (tas _ direction)
From the current position and the driving direction to the direction of the tourist area represented by the tourist area mark.
b) Auxiliary sign indicating distance (tas _ distance)
The distance from the current location to the tourist area indicated by the tourist area designation.
As shown in FIG. 4, in this schematic, at R1From south to north, the inner lane and the outer lane are public transport lanes in two time periods of 07: 00-09: 00 and 17: 00-19: 00, and other vehicles only have two inner lanes available. At R1The road has three lanes L1, L2, L3 from south to north, wherein L3 is the bus lane, and supplementary mark shows: in the time periods of 07: 00-09: 00 and 17: 00-19: 00, the lane L3 can only pass buses, other vehicles do not have the right to use the lane L3, and in the rest time periods, the lane L3 is open to all vehicles. This property change characteristic of the L3 lane over time may be associated with the auxiliary and main signs.
On the other hand, the main signs and the auxiliary signs are associated with the road R1, and the road network property of the R1 road from north to south is time-efficient due to the auxiliary signs indicating time. These information relationships will be associated with R1. For use in calculating the traffic operation index of R1 from north to south.
5) Secondary and primary token relationship establishment
A. The auxiliary marks are set for a certain main mark, the relation between the main mark and the auxiliary mark is established, and the relation between the auxiliary mark and an area, a road section, a lane and the like is established.
B. And establishing a time period information relationship, period1, period2 … … and period, represented by the main mark influence area and the auxiliary mark.
C. And establishing a vehicle type relation represented by the road or road section and the auxiliary mark.
D. And establishing a vehicle attribute relation represented by the road or road section and the auxiliary mark.
E. And taking the current position and the driving direction as reference, establishing a spatial orientation relation between the current road section and the direction pointed by the auxiliary sign, and taking the north direction as 0 degree and an included angle between the clockwise direction and the target direction.
F. And establishing distance relation between the current position and the position, the facility, the service and the like pointed by the main mark by taking the current position as reference, and associating the data of the path which passes through the position, the facility and the service pointed by the main mark.
G. And establishing a spatial length relation of the facilities shown by the main mark, and simultaneously associating spatial data of the facilities.
6) Generating auxiliary mark SVG picture
A. And establishing a relation between the space data of the area influenced by the SVG icon and the auxiliary mark.
In summary, the auxiliary sign of the present invention contains more information, and has an image range area of the main sign in space, and further refines the traffic rules together with the main sign (for example, vehicles exceeding 10 tons are prohibited to pass through a certain bridge, a certain road section in a certain time period is a bus lane, trucks are prohibited to pass through a certain road section in a certain time period, etc.), so as to provide more accurate information for planning and guiding routes of different types of vehicles, and provide accurate information for traffic operation analysis, traffic safety evaluation, etc.
The embodiment of the invention also provides a device for generating the road traffic auxiliary sign, which comprises:
the device comprises a first determining module, a second determining module and a third determining module, wherein the first determining module is used for determining main mark information of an auxiliary mark to be established, and the main mark information comprises the type, the position and the influence range of the main mark;
the second determining module is used for determining the type of the auxiliary mark to be established;
a third determining module, configured to determine, according to the type of the main token and the type of the auxiliary token, an information semantic of the auxiliary token combined with the main token;
a fourth determining module, configured to determine, according to the information semantics, an association relationship between the main token and the auxiliary token;
and the generating module is used for generating the SVG graph of the auxiliary mark according to the incidence relation.
The embodiment of the invention also provides the electronic equipment, which comprises a processor and a memory;
the memory is used for storing programs;
the processor executes the program to implement the method as described above.
An embodiment of the present invention further provides a computer-readable storage medium, where the storage medium stores a program, and the program is executed by a processor to implement the method described above.
The embodiment of the invention also discloses a computer program product or a computer program, which comprises computer instructions, and the computer instructions are stored in a computer readable storage medium. The computer instructions may be read by a processor of a computer device from a computer-readable storage medium, and the computer instructions executed by the processor cause the computer device to perform the foregoing method.
In alternative embodiments, the functions/acts noted in the block diagrams may occur out of the order noted in the operational illustrations. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality/acts involved. Furthermore, the embodiments presented and described in the flow charts of the present invention are provided by way of example in order to provide a more thorough understanding of the technology. The disclosed methods are not limited to the operations and logic flows presented herein. Alternative embodiments are contemplated in which the order of various operations is changed and in which sub-operations described as part of larger operations are performed independently.
Furthermore, although the present invention is described in the context of functional modules, it should be understood that, unless otherwise stated to the contrary, one or more of the described functions and/or features may be integrated in a single physical device and/or software module, or one or more functions and/or features may be implemented in a separate physical device or software module. It will also be appreciated that a detailed discussion of the actual implementation of each module is not necessary for an understanding of the present invention. Rather, the actual implementation of the various functional modules in the apparatus disclosed herein will be understood within the ordinary skill of an engineer, given the nature, function, and internal relationship of the modules. Accordingly, those skilled in the art can, using ordinary skill, practice the invention as set forth in the claims without undue experimentation. It is also to be understood that the specific concepts disclosed are merely illustrative of and not intended to limit the scope of the invention, which is defined by the appended claims and their full scope of equivalents.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. A method for generating a road traffic auxiliary sign, comprising:
determining main mark information of an auxiliary mark to be established, wherein the main mark information comprises the type, the position and the influence range of the main mark;
determining the type of an auxiliary mark to be established;
determining the information semantics of the auxiliary mark combined with the main mark according to the type of the main mark and the type of the auxiliary mark;
determining the incidence relation between the main mark and the auxiliary mark according to the information semantics;
and generating the SVG graph of the auxiliary mark according to the incidence relation.
2. The method for generating road traffic auxiliary sign according to claim 1, wherein the determining the main sign information of the auxiliary sign to be established comprises:
selecting a main mark needing to establish an auxiliary mark;
determining a type of the primary flag; the types of the main signs include but are not limited to a forbidden sign, an indicating sign, a direction sign, a tourist area sign and a warning sign;
determining the position and the influence range of the main mark according to the selected main mark;
the influence range of the main mark comprises an influence area, an influence road section, an influence lane and an influence place.
3. The method of claim 1, wherein said determining the type of the auxiliary sign to be established includes but is not limited to time, vehicle type, vehicle attribute, road direction, area, and distance.
4. The method for generating a road traffic auxiliary sign according to claim 1, wherein said determining the information semantic of the auxiliary sign combined with the main sign according to the type of the main sign and the type of the auxiliary sign comprises:
for a main mark with the type of a prohibition mark, when the type of the auxiliary mark is time, the information semantic representation is used for prohibiting the prohibition to take effect within the specified time; when the type of the auxiliary mark is a vehicle type, the information semantic representation forbids the vehicle of a specified type to be effective; when the type of the auxiliary mark is a vehicle attribute, the information semantic representation forbids the vehicle with the specified attribute to be effective; when the type of the auxiliary mark is a road direction, the information semantic representation forbids to take effect in a specified direction; when the type of the auxiliary mark is an area, the information semantic representation forbids the effect in a specified area range; when the type of the auxiliary mark is distance, the information semantic representation forbids the command to take effect within a specified distance range;
for a main mark with the type as an indication mark, when the type of the auxiliary mark is time, the information semantic representation indicates to be effective within a specified time; when the type of the auxiliary sign is a vehicle type, the information semantic representation indicates that a vehicle of a specified type is in effect; when the type of the auxiliary mark is a road direction, the information semantic representation indicates the corresponding direction; when the type of the auxiliary mark is an area, the information semantic representation indicates that the auxiliary mark is effective within a specified area range; when the type of the auxiliary mark is distance, the information semantic represents a facility indicated by an indication mark in a specified distance range;
for a main sign with the type of a road sign, when the type of the auxiliary sign is a road direction, the information semantic representation indicates that the indication is effective in a specified direction; when the type of the auxiliary mark is distance, the information semantic meaning represents the distance to the pointed facility and place;
for the main sign with the type of the warning sign, when the type of the auxiliary sign is the distance, the information semantically represents the length of the road section of the road condition shown or the distance from the facility shown by the warning sign.
5. The method for generating road traffic auxiliary sign according to claim 1, wherein said determining the association relationship between the main sign and the auxiliary sign according to the information semantics comprises:
establishing the relationship between the auxiliary mark and the region, the road section and the lane;
establishing a time period information relationship between the auxiliary mark and the main mark influence area;
establishing a vehicle type relation represented by the road or the road section and the auxiliary mark;
establishing a vehicle attribute relationship represented by the road or the road section and the auxiliary mark;
establishing a spatial orientation relation between a current road section and the direction pointed by the auxiliary mark;
and establishing a distance relation between the positions, facilities, services and the like pointed by the auxiliary mark and the main mark.
6. The method for generating road traffic auxiliary mark according to claim 1, wherein said generating SVG graph of said auxiliary mark according to said association relation comprises:
and establishing a relation between the SVG icon and the spatial data of the area influenced by the auxiliary mark.
7. A road traffic assistant sign generating apparatus, comprising:
the device comprises a first determining module, a second determining module and a third determining module, wherein the first determining module is used for determining main mark information of an auxiliary mark to be established, and the main mark information comprises the type, the position and the influence range of the main mark;
the second determining module is used for determining the type of the auxiliary mark to be established;
a third determining module, configured to determine, according to the type of the main token and the type of the auxiliary token, an information semantic of the auxiliary token combined with the main token;
a fourth determining module, configured to determine, according to the information semantics, an association relationship between the main token and the auxiliary token;
and the generating module is used for generating the SVG graph of the auxiliary mark according to the incidence relation.
8. An electronic device comprising a processor and a memory;
the memory is used for storing programs;
the processor executing the program realizes the method of any one of claims 1-6.
9. A computer-readable storage medium, characterized in that the storage medium stores a program, which is executed by a processor to implement the method according to any one of claims 1-6.
CN202011632212.3A 2020-12-31 2020-12-31 Road traffic auxiliary sign generation method, device, equipment and medium Pending CN112860924A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011209235A (en) * 2010-03-30 2011-10-20 Zenrin Co Ltd Traffic support system
CN110920604A (en) * 2018-09-18 2020-03-27 阿里巴巴集团控股有限公司 Driving assistance method, driving assistance system, computing device, and storage medium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011209235A (en) * 2010-03-30 2011-10-20 Zenrin Co Ltd Traffic support system
CN110920604A (en) * 2018-09-18 2020-03-27 阿里巴巴集团控股有限公司 Driving assistance method, driving assistance system, computing device, and storage medium

Non-Patent Citations (1)

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Title
沙志仁;黄敏;: "道路交叉口指路标志定量分析指标及方法研究", 重庆交通大学学报(自然科学版), no. 05 *

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