Vehicle holographic projection warning method and device based on multi-vehicle linkage, electronic equipment and storage medium

Abstract

The invention discloses a vehicle holographic projection warning method and device based on multi-vehicle linkage, electronic equipment and a storage medium, and the method comprises the steps: receiving vehicle accident warning information, transmitting the vehicle accident warning information to a plurality of transmission protocol vehicles, and according to the position deviation included angle between the transmission protocol vehicles and each rear driving vehicle, carrying out the holographic projection warning of the vehicles. Determining a plurality of target to-be-warned vehicles corresponding to the protocol transfer vehicle, and determining a target projection center position corresponding to the protocol transfer vehicle according to the projection coverage area of the protocol transfer vehicle and the current vehicle position corresponding to each target to-be-warned vehicle, and according to the vehicle accident warning information and the target projection center position corresponding to each transmission protocol vehicle, each transmission protocol vehicle is controlled to carry out vehicle holographic projection. The multi-vehicle linkage vehicle holographic projection warning method can achieve multi-vehicle linkage vehicle holographic projection warning, improves the traffic accident warning effect, improves the driving safety and the road traffic safety, and can be widely applied to the technical field of vehicle equipment.

Description

Technical Field

[0001] The present application relates to the field of vehicle equipment technology, and in particular to a vehicle holographic projection warning method, device, electronic equipment and storage medium based on multi-vehicle linkage. Background Art

[0002] In recent years, with the increasing busyness of road traffic and the rapid growth in the number of vehicles, traffic accidents have occurred frequently. Some large-scale traffic accidents, for example, traffic accidents caused by blind spots formed by inner wheel difference when large vehicles (such as trucks, buses, etc.) turn, pose a serious threat to people's lives and property safety.

[0003] After a traffic accident occurs ahead on the road, due to the lack of traffic accident warnings, vehicles behind are unable to predict the specific circumstances of the traffic accident and are likely to continue driving at the current speed or accelerate, resulting in an inability to avoid the site of the traffic accident, causing secondary collision accidents, bringing certain driving safety hazards and reducing road traffic safety. Summary of the invention

[0004] The main purpose of the embodiments of the present application is to provide a vehicle holographic projection warning method, device, electronic device and storage medium based on multi-vehicle linkage, which can realize vehicle holographic projection warning and improve road traffic safety.

[0005] On the one hand, the embodiment of the present application proposes a vehicle holographic projection warning method based on multi-vehicle linkage, and the method comprises the following steps:

[0006] receiving vehicle accident warning information, and transmitting the vehicle accident warning information to a plurality of transmission protocol vehicles;

[0007] For each of the delivery protocol vehicles, obtaining a position offset angle and a current distance between the delivery protocol vehicle and each rear vehicle, and determining a number of target vehicles to be warned corresponding to the delivery protocol vehicle according to the position offset angle and the current distance between the delivery protocol vehicle and each rear vehicle;

[0008] Acquire the projection coverage area of ​​the protocol delivery vehicle and the current vehicle position corresponding to each of the target vehicles to be warned, and determine the target projection center position corresponding to the protocol delivery vehicle;

[0009] According to the vehicle accident warning information and the target projection center position corresponding to each of the transmission protocol vehicles, each of the transmission protocol vehicles is controlled to perform vehicle holographic projection.

[0010] In some embodiments, the receiving of vehicle accident warning information and transmitting the vehicle accident warning information to a plurality of transmission protocol vehicles specifically includes:

[0011] Receiving the vehicle accident warning information, wherein the vehicle accident warning information includes the coordinates of the accident location and the lane occupied by the accident;

[0012] According to the coordinates of the accident location, a plurality of the transmission protocol vehicles are determined, wherein the transmission protocol vehicles are rear vehicles whose current vehicle positions are located behind the coordinates of the accident location and are connected to the same information transmission network platform;

[0013] The vehicle accident warning information is transmitted to each of the transmission protocol vehicles using the information transmission network platform.

[0014] In some embodiments, for each of the delivery protocol vehicles, obtaining the position offset angle and current distance between the delivery protocol vehicle and each rear vehicle, and determining a number of target vehicles to be warned corresponding to the delivery protocol vehicle according to the position offset angle and current distance between the delivery protocol vehicle and each rear vehicle, specifically includes:

[0015] For each of the delivery protocol vehicles, collecting the position offset angle and the current distance between the delivery protocol vehicle and each of the rear vehicles;

[0016] For the same rear-moving vehicle, a target projection vehicle is determined from multiple delivery protocol vehicles based on the position offset angle and the current distance between the rear-moving vehicle and each delivery protocol vehicle, and the rear-moving vehicle is determined as the target vehicle to be warned corresponding to the target projection vehicle. The target projection vehicle is the delivery protocol vehicle with the smallest position offset angle corresponding to the rear-moving vehicle and the current distance less than a preset distance threshold.

[0017] In some embodiments, for each of the delivery protocol vehicles, collecting the position offset angle and the current distance between the delivery protocol vehicle and each of the rear vehicles specifically includes:

[0018] Acquire a first current vehicle position corresponding to the delivery protocol vehicle;

[0019] Connecting to the vehicle camera corresponding to the transmission protocol vehicle, and receiving the driving image of the rear vehicle fed back by the vehicle camera;

[0020] Identify the rear vehicle driving images and determine the second current vehicle position corresponding to each rear vehicle driving;

[0021] The position offset angle and the current distance between the transmission protocol vehicle and each of the rear-travelling vehicles are determined based on the first current vehicle position and the second current vehicle position corresponding to each of the rear-travelling vehicles.

[0022] In some embodiments, obtaining the projection coverage area of ​​the vehicle delivering the protocol and the current vehicle position corresponding to each of the target vehicles to be warned, and determining the target projection center position corresponding to the vehicle delivering the protocol specifically includes:

[0023] Acquire the projection coverage area of ​​the vehicle delivering the protocol and the current vehicle position corresponding to each of the target vehicles to be warned;

[0024] According to the current vehicle position corresponding to each of the target vehicles to be warned, the target projection center position is determined from the projection coverage area, and the target projection center position is the point in the projection coverage area where the sum of the position offset angles with each of the target vehicles to be warned is the smallest.

[0025] In some embodiments, controlling each of the transmission protocol vehicles to perform vehicle holographic projection according to the vehicle accident warning information and the target projection center position corresponding to each of the transmission protocol vehicles specifically includes:

[0026] generating a corresponding vehicle accident warning image according to the vehicle accident warning information;

[0027] Acquire projection display parameters corresponding to the transmission protocol vehicle;

[0028] According to the projection display parameters, the transmission protocol vehicle is controlled to project the vehicle accident warning image onto a projection display area corresponding to the target projection center position, where the target projection center position is the center position of the projection display area.

[0029] In some embodiments, the method further comprises:

[0030] In response to the user's parameter setting operation on each of the delivery protocol vehicles, the projection display parameters corresponding to each of the delivery protocol vehicles are determined, wherein the projection display parameters include projection screen size, projection brightness, and projection screen ratio.

[0031] On the other hand, the embodiment of the present application proposes a vehicle holographic projection warning device based on multi-vehicle linkage, the device comprising:

[0032] A first module is used to receive vehicle accident warning information and transmit the vehicle accident warning information to a plurality of transmission protocol vehicles;

[0033] The second module is used to obtain, for each of the delivery protocol vehicles, a position offset angle and a current distance between the delivery protocol vehicle and each rear vehicle, and determine a number of target vehicles to be warned corresponding to the delivery protocol vehicle based on the position offset angle and the current distance between the delivery protocol vehicle and each rear vehicle;

[0034] The third module is used to obtain the projection coverage area of ​​the vehicle delivering the protocol and the current vehicle position corresponding to each of the target vehicles to be warned, and determine the target projection center position corresponding to the vehicle delivering the protocol;

[0035] The fourth module is used to control each of the transmission protocol vehicles to perform vehicle holographic projection according to the vehicle accident warning information and the target projection center position corresponding to each of the transmission protocol vehicles.

[0036] On the other hand, an embodiment of the present application provides an electronic device, which includes a memory and a processor, wherein the memory stores a computer program, and the processor implements the vehicle holographic projection warning method described above when executing the computer program.

[0037] On the other hand, an embodiment of the present application proposes a computer-readable storage medium, which stores a computer program. When the computer program is executed by a processor, the vehicle holographic projection warning method described above is implemented.

[0038] The embodiments of the present application include at least the following beneficial effects: the present application provides a vehicle holographic projection warning method, device, electronic device and storage medium based on multi-vehicle linkage, which transmits the vehicle accident warning information to multiple transmission protocol vehicles by receiving vehicle accident warning information, determines a number of target vehicles to be warned corresponding to the transmission protocol vehicle according to the position offset angle between the transmission protocol vehicle and each rear-driving vehicle, determines the target projection center position corresponding to the transmission protocol vehicle according to the projection coverage area of ​​the transmission protocol vehicle and the current vehicle position corresponding to each target vehicle to be warned, and controls each transmission protocol vehicle to perform vehicle holographic projection according to the vehicle accident warning information and the target projection center position corresponding to each transmission protocol vehicle. The present application can realize vehicle holographic projection warning of multi-vehicle linkage, improve the warning effect of traffic accidents, and improve driving safety and road traffic safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a flow chart of a vehicle holographic projection warning method based on multi-vehicle linkage provided by an embodiment of the present application;

[0040] Figure 2 is a schematic diagram of a vehicle transmitting a protocol and a vehicle traveling behind in an embodiment of the present application;

[0041] Figure 3 is a schematic diagram of a target vehicle to be warned in an embodiment of the present application;

[0042] Figure 4 is a schematic diagram of the position offset angle in an embodiment of the present application;

[0043] Figure 5 is a schematic diagram of the target projection center position in an embodiment of the present application;

[0044] Figure 6 It is a structural schematic diagram of a vehicle holographic projection warning device based on multi-vehicle linkage provided by an embodiment of the present application;

[0045] Figure 7 It is a schematic diagram of the hardware structure of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application is further described in detail below in conjunction with the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the embodiments of the present application. They are only examples of devices and methods consistent with some aspects of the embodiments of the present application as detailed in the attached claims.

[0047] It is understood that the terms "first", "second", etc. used in this application can be used to describe various concepts in this article, but unless otherwise specified, these concepts are not limited by these terms. These terms are only used to distinguish one concept from another concept. For example, without departing from the scope of the embodiment of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the words "if" and "if" as used herein can be interpreted as "at the time of" or "when" or "in response to determination".

[0048] The terms "at least one", "multiple", "each", "any", etc. used in this application, at least one includes one, two or more, multiple includes two or more, each refers to each of the corresponding multiple, and any refers to any one of the multiple.

[0049] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein are only for the purpose of describing the embodiments of this application and are not intended to limit this application.

[0050] Reference Figure 1 , Figure 1 This is an optional flow chart of a vehicle holographic projection warning method based on multi-vehicle linkage provided by an embodiment of the present application. The method may include but is not limited to steps S101 to S104:

[0051] Step S101, receiving vehicle accident warning information, and transmitting the vehicle accident warning information to a plurality of transmission protocol vehicles;

[0052] Step S102, for each delivery agreement vehicle, obtaining the position offset angle and current distance between the delivery agreement vehicle and each rear vehicle, and determining a number of target vehicles to be warned corresponding to the delivery agreement vehicle according to the position offset angle and current distance between the delivery agreement vehicle and each rear vehicle;

[0053] Step S103, obtaining the projection coverage area of ​​the vehicle delivering the protocol and the current vehicle position corresponding to each target vehicle to be warned, and determining the target projection center position corresponding to the vehicle delivering the protocol;

[0054] Step S104, controlling each transmission protocol vehicle to perform vehicle holographic projection according to the vehicle accident warning information and the target projection center position corresponding to each transmission protocol vehicle.

[0055] In some embodiments, a vehicle ahead passing the site of a vehicle traffic accident uploads the vehicle accident warning information to an information transmission network platform, and the vehicle accident warning information is transmitted to a vehicle behind that is about to pass the site of the vehicle traffic accident through the information transmission network platform, i.e., the above-mentioned transmission protocol vehicle. Optionally, the information transmission network platform is a communication network platform for information transmission between vehicles that have signed the same communication protocol, such as the Internet of Vehicles.

[0056] In some embodiments, step S101 may include but is not limited to steps S201 to S203:

[0057] Step S201, receiving vehicle accident warning information, the vehicle accident warning information including the coordinates of the accident location and the lane occupied by the accident;

[0058] Step S202, determining a plurality of transmission protocol vehicles according to the coordinates of the accident location, wherein the transmission protocol vehicles are rear vehicles whose current vehicle positions are located behind the coordinates of the accident location and are connected to the same information transmission network platform;

[0059] Step S203, using the information transmission network platform to transmit the vehicle accident warning information to each transmission protocol vehicle.

[0060] In some embodiments, optionally, based on the coordinates of the accident location and the lane occupied by the accident in the vehicle accident warning information, combined with the on-board map navigation system, multiple rear vehicles that are about to pass the accident location and are connected to the same information transmission network platform, namely the above-mentioned transmission protocol vehicles, are determined.

[0061] In some embodiments, the information transmission network platform sends vehicle accident warning information to each transmission protocol vehicle through wireless communication technology, warning each transmission protocol vehicle that a traffic accident has occurred ahead, thereby achieving effective use of vehicle dynamic information.

[0062] In some embodiments, step S102 may include but is not limited to steps S301 to S302:

[0063] Step S301, for each delivery protocol vehicle, collecting the position offset angle and current distance between the delivery protocol vehicle and each rear driving vehicle;

[0064] Step S302, for the same rear-moving vehicle, according to the position offset angle and current distance corresponding to the rear-moving vehicle and each delivery protocol vehicle, a target projection vehicle is determined from multiple delivery protocol vehicles, and the rear-moving vehicle is determined as the target vehicle to be warned corresponding to the target projection vehicle. The target projection vehicle is the delivery protocol vehicle with the smallest position offset angle corresponding to the rear-moving vehicle and a current distance less than a preset distance threshold.

[0065] In some embodiments, the rear vehicle is a vehicle whose current vehicle position is behind the current vehicle position of any transmission protocol vehicle but is not connected to the above-mentioned information transmission network platform. Therefore, the transmission protocol vehicle performs a vehicle holographic projection warning to remind each rear vehicle that there is a traffic accident ahead, thereby avoiding the occurrence of secondary collision accidents and improving road traffic safety.

[0066] Optionally, refer to Figure 2 , Figure 2 : is an optional schematic diagram of the transmission protocol vehicle and the rear driving vehicle in the embodiment of the present application, wherein lanes 1 to 4 are included, O is the location where the accident occurred, lanes 1 and lane 2 are occupied, and the vehicles currently driving on lanes 1 to 4 are vehicle A 1 To A 4 and vehicle B 1 To B 5 , vehicle A 1 To A 4 Accessed the same information transmission network platform, vehicle B 1 To B 5 They are not connected to the same information transmission network platform. 1 Located in front of the accident location O, therefore, vehicle A is not 1Determined as the transfer agreement vehicle, vehicle A 2 To A 4 Both are located behind the accident location O and are about to pass the accident location O. 2 To A 4 Determined as a transfer agreement vehicle, since vehicle B 1 The vehicle B in front of the accident location O 2 Located behind the accident location O but not behind any of the transfer protocol vehicles, therefore, vehicle B is not 1 and B 2 Determined to be the vehicle behind, vehicle B 3 To B 5 are located behind any of the transfer protocol vehicles, and vehicle B 3 To B 5 It was determined to be the vehicle driving behind.

[0067] In some embodiments, reference Figure 3 , Figure 3 : is an optional schematic diagram of a target vehicle to be warned in an embodiment of the present application, wherein there is a vehicle B traveling behind. 6 and the transfer protocol vehicle A 5 and A 6 , transfer protocol vehicle A 5 With the vehicle B behind 6 The current distance is less than the preset distance threshold L, and the transmission protocol vehicle A 6 With the vehicle B behind 6 The current distance is also less than the preset distance threshold L, and the transmission protocol vehicle A 5 With the vehicle B behind 6 The position offset angle between them is θ 1 , transfer protocol vehicle A 6 With the vehicle B behind 6 The position offset angle between them is θ 2 , due to θ 1 >θ 2 , therefore, the protocol vehicle A will be passed 6 Determined to be the vehicle behind B 6 The target projection vehicle will be the rear vehicle B 6 Determine the transfer agreement vehicle A 6 Target vehicle to be warned.

[0068] In some embodiments, step S301 may include but is not limited to steps S401 to S404:

[0069] Step S401, obtaining a first current vehicle position corresponding to the delivery agreement vehicle;

[0070] Step S402, connecting to the vehicle camera corresponding to the vehicle transmitting the protocol, and receiving the driving image of the rear vehicle fed back by the vehicle camera;

[0071] Step S403, identifying the rear vehicle driving image, and determining the second current vehicle position corresponding to each rear vehicle driving;

[0072] Step S404, determining the position offset angle and current distance between the transmission protocol vehicle and each rear traveling vehicle according to the first current vehicle position and the second current vehicle position corresponding to each rear traveling vehicle.

[0073] In some embodiments, the driving environment image behind the transmission protocol vehicle, i.e., the above-mentioned rear vehicle driving image, is dynamically collected by a vehicle-mounted camera, and the driving environment image is uploaded to the above-mentioned information transmission network platform. The information transmission network platform recognizes the driving environment image through image recognition technology, and combines the on-board map navigation system to identify the rear vehicles corresponding to the transmission protocol vehicle and the current vehicle position of each rear vehicle. The current vehicle position of each rear vehicle is the above-mentioned second current vehicle position.

[0074] Then, the first current vehicle position of the delivery agreement vehicle is obtained by using the on-board map navigation system, and the position offset angle and current distance between the delivery agreement vehicle and each rear driving vehicle are determined according to the first current vehicle position of the delivery agreement vehicle and the second current vehicle position of each rear driving vehicle. For example, referring to Figure 4 , Figure 4 : is an optional schematic diagram of the position offset angle in the embodiment of the present application, which includes the transmission protocol vehicle A and the rear driving vehicle B 1 To B 3 , the transmission protocol vehicle A is driving in lane 3, and the vehicle B is driving behind 2 Located behind the vehicle A that transmits the protocol, its corresponding position offset angle is α 1 , the vehicle behind is B 1 Driving in lane 2, the corresponding position offset angle is α 2 , the vehicle behind is B 3 Driving in lane 4, the corresponding position offset angle is α 3 , the vehicle behind is B 1 To B 3 The current distance to the delivery protocol vehicle A is L.

[0075] In some embodiments, step S103 may include but is not limited to steps S501 to S502:

[0076] Step S501, obtaining the projection coverage area of ​​the vehicle delivering the protocol and the current vehicle position corresponding to each target vehicle to be warned;

[0077] Step S502, according to the current vehicle positions corresponding to the target vehicles to be warned, the target projection center position is determined from the projection coverage area, and the target projection center position is the point in the projection coverage area where the sum of the position offset angles with the target vehicles to be warned is the smallest.

[0078] In some embodiments, optionally, reference Figure 5 , Figure 5 This is an optional schematic diagram of the target projection center position in the embodiment of the present application, wherein the transmission protocol vehicle A has a corresponding target to be warned vehicle B 1 To B 3 The fan-shaped area S is the projection coverage area of ​​the vehicle A that transmits the protocol, and the target vehicle B to be warned 1 To B 3 Corresponding to the current vehicle position, the target projection center position p is determined from the fan-shaped area S. The target projection center position p is consistent with the target vehicle B to be warned. 1 The position offset angle is β 1 , the target projection center position p and the target warning vehicle B 2 The position offset angle is β 2 , the target projection center position p and the target warning vehicle B 3 The position offset angle is β 3 , then the sum of the angles between the target projection center position p and the position of each target vehicle to be warned is β 1 +β 2 +β 3 , compared with any other point in the fan-shaped area S, the sum of the offset angles between the target projection center position p and the position of each target vehicle to be warned is the smallest.

[0079] In some embodiments, step S104 may include but is not limited to steps S601 to S603:

[0080] Step S601, generating a corresponding vehicle accident warning image according to the vehicle accident warning information;

[0081] Step S602, obtaining projection display parameters corresponding to the vehicle delivering the protocol;

[0082] Step S603, according to the projection display parameters, the transmission protocol vehicle is controlled to project the vehicle accident warning image to the projection display area corresponding to the target projection center position, and the target projection center position is the center position of the projection display area.

[0083] In some embodiments, optionally, the information transmission network platform generates a projection control instruction, and sends the projection control instruction and the vehicle accident warning information to each transmission protocol vehicle. Each transmission protocol vehicle generates a vehicle accident warning image corresponding to the vehicle accident warning information according to the projection control instruction, and projects the vehicle accident warning image to the projection display area corresponding to the target projection center position according to the projection display parameters.

[0084] In some embodiments, the above method further includes step S701:

[0085] Step S701, in response to the user's parameter setting operation on each delivery protocol vehicle, determining the projection display parameters corresponding to each delivery protocol vehicle.

[0086] In some embodiments, the user sets the projection display parameters in the human-computer interaction interface provided by the vehicle. The projection display parameters may include but are not limited to projection screen size, projection brightness, projection contrast, projection refresh rate, projection ratio (the ratio of projection distance to screen width) and projection screen ratio.

[0087] Reference Figure 6 , Figure 6 : is an optional structural diagram of a vehicle holographic projection warning device based on multi-vehicle linkage provided in an embodiment of the present application. The device is used to implement the above-mentioned vehicle holographic projection warning method. The device may include:

[0088] The first module is used to receive vehicle accident warning information and transmit the vehicle accident warning information to multiple transmission protocol vehicles;

[0089] The second module is used to obtain, for each delivery protocol vehicle, the position offset angle and current distance corresponding to the delivery protocol vehicle and each rear vehicle, and determine a number of target vehicles to be warned corresponding to the delivery protocol vehicle according to the position offset angle and current distance corresponding to the delivery protocol vehicle and each rear vehicle;

[0090] The third module is used to obtain the projection coverage area of ​​the vehicle delivering the protocol and the current vehicle position corresponding to each target vehicle to be warned, and determine the target projection center position corresponding to the vehicle delivering the protocol;

[0091] The fourth module is used to control each transmission protocol vehicle to perform vehicle holographic projection according to the vehicle accident warning information and the target projection center position corresponding to each transmission protocol vehicle.

[0092] It can be understood that the contents of the above method embodiments are all applicable to the present device embodiments, the functions specifically implemented by the present device embodiments are the same as those of the above method embodiments, and the beneficial effects achieved are also the same as those achieved by the above method embodiments.

[0093] The embodiment of the present application also provides an electronic device, the electronic device includes a memory and a processor, the memory stores a computer program, and the processor implements the above-mentioned vehicle holographic projection warning method when executing the computer program. The electronic device can be any smart terminal including a tablet computer.

[0094] It can be understood that the contents of the above method embodiments are all applicable to the present device embodiments, the functions specifically implemented by the present device embodiments are the same as those of the above method embodiments, and the beneficial effects achieved are also the same as those achieved by the above method embodiments.

[0095] See also Figure 7 , Figure 7 The hardware structure of an electronic device of another embodiment is illustrated, and the electronic device includes:

[0096] The processor 901 may be implemented by a general-purpose CPU (Central Processing Unit), a microprocessor, an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), or one or more integrated circuits, and is used to execute relevant programs to implement the technical solutions provided in the embodiments of the present application;

[0097] The memory 902 can be implemented in the form of a read-only memory (ROM), a static storage device, a dynamic storage device, or a random access memory (RAM). The memory 902 can store an operating system and other applications. When the technical solution provided in the embodiment of this specification is implemented by software or firmware, the relevant program code is stored in the memory 902, and the processor 901 calls and executes the vehicle holographic projection warning method of the embodiment of this application;

[0098] Input / output interface 903, used to implement information input and output;

[0099] Communication interface 904, used to realize communication interaction between the device and other devices, which can be realized by wired mode (such as USB, network cable, etc.) or wireless mode (such as mobile network, WIFI, Bluetooth, etc.);

[0100] A bus 905 that transmits information between various components of the device (e.g., the processor 901, the memory 902, the input / output interface 903, and the communication interface 904);

[0101] The processor 901 , the memory 902 , the input / output interface 903 and the communication interface 904 are connected to each other in communication within the device via a bus 905 .

[0102] An embodiment of the present application also provides a computer-readable storage medium, which stores a computer program. When the computer program is executed by a processor, the above-mentioned vehicle holographic projection warning method is implemented.

[0103] It can be understood that the contents of the above method embodiments are all applicable to the present storage medium embodiments, the functions specifically implemented by the present storage medium embodiments are the same as those of the above method embodiments, and the beneficial effects achieved are also the same as those achieved by the above method embodiments.

[0104] The memory, as a non-transient computer-readable storage medium, can be used to store non-transient software programs and non-transient computer executable programs. In addition, the memory may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. In some embodiments, the memory may optionally include a memory remotely disposed relative to the processor, and these remote memories may be connected to the processor via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0105] The embodiments of the present application provide a vehicle holographic projection warning method, device, electronic device and storage medium based on multi-vehicle linkage, which can realize vehicle holographic projection warning based on multi-vehicle linkage, enhance the warning effect of traffic accidents, and improve driving safety and road traffic safety.

[0106] The embodiments described in the embodiments of the present application are intended to more clearly illustrate the technical solutions of the embodiments of the present application and do not constitute a limitation on the technical solutions provided in the embodiments of the present application. Those skilled in the art will appreciate that with the evolution of technology and the emergence of new application scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0107] Those skilled in the art will appreciate that the technical solutions shown in the figures do not constitute a limitation on the embodiments of the present application, and may include more or fewer steps than shown in the figures, or a combination of certain steps, or different steps.

[0108] The device embodiments described above are merely illustrative, and the units described as separate components may or may not be physically separated, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0109] Those skilled in the art will appreciate that all or some of the steps in the methods disclosed above, and the functional modules / units in the systems and devices may be implemented as software, firmware, hardware, or a suitable combination thereof.

[0110] The terms "first", "second", "third", "fourth", etc. (if any) in the specification of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0111] It should be understood that in the present application, "at least one (item)" means one or more, and "plurality" means two or more. "And / or" is used to describe the association relationship of associated objects, indicating that three relationships may exist. For example, "A and / or B" can mean: only A exists, only B exists, and A and B exist at the same time, where A and B can be singular or plural. The character " / " generally indicates that the objects associated before and after are in an "or" relationship. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single or plural items. For example, at least one of a, b or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, c can be single or multiple.

[0112] In the several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the above units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0113] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0114] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0115] It should be appreciated that embodiments of the present invention may be implemented or enforced by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer-readable memory. The method may be implemented in a computer program using standard programming techniques including a non-transitory computer-readable storage medium configured with a computer program, wherein the storage medium so configured causes the computer to operate in a specific and predefined manner - according to the methods and drawings described in the specific embodiments. Each program may be implemented in a high-level procedural or object-oriented programming language to communicate with a computer system. However, if desired, the program may be implemented in an assembly or machine language. In any case, the language may be a compiled or interpreted language. In addition, the program may be run on a programmed ASIC for this purpose.

[0116] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including multiple instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods of various embodiments of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM), disk or optical disk and other media that can store programs.

[0117] The preferred embodiments of the present invention are described above with reference to the accompanying drawings, but the scope of the rights of the present invention is not limited thereto. Any modification, equivalent substitution and improvement made by a person skilled in the art without departing from the scope and essence of the present invention should be within the scope of the rights of the present invention.

Claims

1. A vehicle holographic projection warning method based on multi-vehicle linkage, characterized in that: The method comprises the following steps: receiving vehicle accident warning information, and transmitting the vehicle accident warning information to a plurality of transmission protocol vehicles; For each of the delivery protocol vehicles, obtaining a position offset angle and a current distance between the delivery protocol vehicle and each rear vehicle, and determining a number of target vehicles to be warned corresponding to the delivery protocol vehicle according to the position offset angle and the current distance between the delivery protocol vehicle and each rear vehicle; Acquire the projection coverage area of ​​the protocol delivery vehicle and the current vehicle position corresponding to each of the target vehicles to be warned, and determine the target projection center position corresponding to the protocol delivery vehicle; According to the vehicle accident warning information and the target projection center position corresponding to each of the transmission protocol vehicles, each of the transmission protocol vehicles is controlled to perform vehicle holographic projection.

2. The vehicle holographic projection warning method according to claim 1, characterized in that: The receiving of vehicle accident warning information and transmitting the vehicle accident warning information to a plurality of transmission protocol vehicles specifically includes: Receiving the vehicle accident warning information, wherein the vehicle accident warning information includes the coordinates of the accident location and the lane occupied by the accident; According to the coordinates of the accident location, a plurality of the transmission protocol vehicles are determined, wherein the transmission protocol vehicles are rear vehicles whose current vehicle positions are located behind the coordinates of the accident location and are connected to the same information transmission network platform; The vehicle accident warning information is transmitted to each of the transmission protocol vehicles using the information transmission network platform.

3. The vehicle holographic projection warning method according to claim 1, characterized in that: For each of the transmission protocol vehicles, obtaining the position offset angle and current distance between the transmission protocol vehicle and each rear vehicle, and determining a number of target vehicles to be warned corresponding to the transmission protocol vehicle according to the position offset angle and current distance between the transmission protocol vehicle and each rear vehicle, specifically including: For each of the delivery protocol vehicles, collecting the position offset angle and the current distance between the delivery protocol vehicle and each of the rear vehicles; For the same rear-moving vehicle, a target projection vehicle is determined from multiple delivery protocol vehicles based on the position offset angle and the current distance between the rear-moving vehicle and each delivery protocol vehicle, and the rear-moving vehicle is determined as the target vehicle to be warned corresponding to the target projection vehicle. The target projection vehicle is the delivery protocol vehicle with the smallest position offset angle corresponding to the rear-moving vehicle and the current distance less than a preset distance threshold.

4. The vehicle holographic projection warning method according to claim 3, characterized in that: The step of collecting the position offset angle and the current distance between the transmission protocol vehicle and each rear driving vehicle for each transmission protocol vehicle specifically includes: Acquire a first current vehicle position corresponding to the delivery protocol vehicle; Connecting to the vehicle camera corresponding to the transmission protocol vehicle, and receiving the driving image of the rear vehicle fed back by the vehicle camera; Identify the rear vehicle driving images and determine the second current vehicle position corresponding to each rear vehicle driving; The position offset angle and the current distance between the transmission protocol vehicle and each of the rear-travelling vehicles are determined based on the first current vehicle position and the second current vehicle position corresponding to each of the rear-travelling vehicles.

5. The vehicle holographic projection warning method according to claim 1, characterized in that: The obtaining of the projection coverage area of ​​the vehicle delivering the protocol and the current vehicle position corresponding to each of the target vehicles to be warned, and determining the target projection center position corresponding to the vehicle delivering the protocol specifically includes: Acquire the projection coverage area of ​​the vehicle delivering the protocol and the current vehicle position corresponding to each of the target vehicles to be warned; According to the current vehicle position corresponding to each of the target vehicles to be warned, the target projection center position is determined from the projection coverage area, and the target projection center position is the point in the projection coverage area where the sum of the position offset angles with each of the target vehicles to be warned is the smallest.

6. The vehicle holographic projection warning method according to claim 1, characterized in that: The controlling each of the transmission protocol vehicles to perform vehicle holographic projection according to the vehicle accident warning information and the target projection center position corresponding to each of the transmission protocol vehicles specifically includes: generating a corresponding vehicle accident warning image according to the vehicle accident warning information; Acquire projection display parameters corresponding to the transmission protocol vehicle; According to the projection display parameters, the transmission protocol vehicle is controlled to project the vehicle accident warning image onto a projection display area corresponding to the target projection center position, where the target projection center position is the center position of the projection display area.

7. The vehicle holographic projection warning method according to claim 6, characterized in that: The method further comprises: In response to the user's parameter setting operation on each of the delivery protocol vehicles, the projection display parameters corresponding to each of the delivery protocol vehicles are determined, wherein the projection display parameters include projection screen size, projection brightness, and projection screen ratio.

8. A vehicle holographic projection warning device based on multi-vehicle linkage, characterized in that: The device comprises: A first module is used to receive vehicle accident warning information and transmit the vehicle accident warning information to a plurality of transmission protocol vehicles; The second module is used to obtain, for each of the delivery protocol vehicles, a position offset angle and a current distance between the delivery protocol vehicle and each rear vehicle, and determine a number of target vehicles to be warned corresponding to the delivery protocol vehicle based on the position offset angle and the current distance between the delivery protocol vehicle and each rear vehicle; The third module is used to obtain the projection coverage area of ​​the vehicle delivering the protocol and the current vehicle position corresponding to each of the target vehicles to be warned, and determine the target projection center position corresponding to the vehicle delivering the protocol; The fourth module is used to control each of the transmission protocol vehicles to perform vehicle holographic projection according to the vehicle accident warning information and the target projection center position corresponding to each of the transmission protocol vehicles.

9. An electronic device, characterized in that: The electronic device includes a memory and a processor, the memory stores a computer program, and the processor implements the vehicle holographic projection warning method according to any one of claims 1 to 7 when executing the computer program.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the vehicle holographic projection warning method according to any one of claims 1 to 7 is implemented.

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