CN112667335A - Method, device and equipment for loading image frames of backing car and storage medium - Google Patents
Method, device and equipment for loading image frames of backing car and storage medium Download PDFInfo
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Abstract
The application discloses a method, a device, equipment and a storage medium for loading a reverse image picture, and relates to the field of intelligent transportation. The specific implementation scheme is as follows: loading a reversing image interface on the display equipment in response to receiving a signal for starting a reversing image program; acquiring a reverse image in response to receiving a reverse signal; and controlling a display device to display a reversing image picture according to the reversing image interface and the reversing image. The time required for loading and displaying the reverse image picture can be shortened.
Description
Technical Field
The present application relates to the field of intelligent traffic in data processing, and in particular, to a method, an apparatus, a device, and a storage medium for loading a reverse image frame.
Background
An intelligent in-vehicle entertainment system is a common configuration of a vehicle, and can provide a driver with multi-directional assistance or entertainment services.
The current intelligent vehicle-mounted entertainment system is limited by a platform, and on the premise that basic intelligent capacity of the system needs to be reserved, the starting speed and the running speed of the system cannot be improved by deleting system functions. Therefore, after the system is started and enters the homepage, the system still needs to wait for a long time to activate the reverse image picture.
Disclosure of Invention
The application provides a method, a device, equipment and a storage medium for loading a reverse image picture.
According to a first aspect of the present application, a method for loading a reverse image picture is provided, which includes:
loading a reversing image interface on the display equipment in response to receiving a signal for starting a reversing image program;
acquiring a reverse image in response to receiving a reverse signal;
and controlling a display device to display a reversing image picture according to the reversing image interface and the reversing image.
According to a second aspect of the present application, there is provided a reverse image screen loading device, comprising:
the loading module is used for loading a reversing image interface on the display equipment in response to receiving a signal for starting a reversing image program;
the acquisition module is used for responding to the received reverse gear signal and acquiring a reverse image;
and the display module is used for controlling display equipment to display the reversing image picture according to the reversing image interface and the reversing image.
According to a third aspect of the present application, there is provided an electronic device comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of the first aspects.
According to a fourth aspect of the present application, there is provided a non-transitory computer readable storage medium having stored thereon computer instructions for causing the computer to perform the method of any of the first aspects.
According to a fifth aspect of the present application, there is provided a computer program product comprising: a computer program, stored in a readable storage medium, from which at least one processor of an electronic device can read the computer program, execution of the computer program by the at least one processor causing the electronic device to perform the method of the first aspect.
The method, the device, the equipment and the storage medium for loading the reversing image picture are characterized in that firstly, a reversing image interface is loaded on display equipment in response to the received signal for starting a reversing image program, a reversing image is obtained in response to the received reversing signal, and then the display equipment is controlled to display the reversing image picture according to the reversing image interface and the reversing image. The scheme provided by the embodiment of the application is different from the previous scheme that the reverse image interface is loaded after the reverse signal is received, the reverse image interface is loaded after the reverse image program is started, and the triggering of the reverse signal is not required to be waited, so that the time for loading the reverse image picture and displaying the reverse image picture can be shortened.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present application, nor do they limit the scope of the present application. Other features of the present application will become apparent from the following description.
Drawings
The drawings are included to provide a better understanding of the present solution and are not intended to limit the present application. Wherein:
fig. 1 is a schematic view of an application scenario provided in an embodiment of the present application;
fig. 2 is a schematic flowchart of a method for loading a reverse image frame according to an embodiment of the present disclosure;
fig. 3 is a schematic view of a reverse image interface and a reverse image provided in an embodiment of the present application;
fig. 4 is a schematic flowchart of a process of loading a reverse image interface according to an embodiment of the present application;
fig. 5 is a schematic view of a reverse image interface loading provided in the embodiment of the present application;
fig. 6 is a schematic flowchart of acquiring a reverse image according to an embodiment of the present application;
fig. 7 is a schematic view of a reverse image frame provided in the embodiment of the present application;
fig. 8 is a schematic diagram illustrating comparison of backup image frame loading before and after optimization according to an embodiment of the present disclosure;
fig. 9 is a schematic structural diagram of a reverse image frame loading device according to an embodiment of the present application;
fig. 10 is a schematic block diagram of an electronic device provided in an embodiment of the present application.
Detailed Description
The following description of the exemplary embodiments of the present application, taken in conjunction with the accompanying drawings, includes various details of the embodiments of the application for the understanding of the same, which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
Fig. 1 is a schematic view of an application scenario provided in an embodiment of the present application, and as shown in fig. 1, an intelligent vehicle-mounted system is installed on a vehicle 10, and a plurality of application programs, including a reverse image program, are installed in the intelligent vehicle-mounted system.
On the vehicle 10, a display device 11 and a camera 12 are further included, wherein the display device 11 is used for displaying various pictures, and the camera 12 is mounted at the rear of the vehicle and is used for shooting pictures behind the vehicle.
When the vehicle 10 is going to reverse, the camera 12 is activated to capture a picture of the rear of the vehicle and display the picture on the display device 11 for the driver to view the environment behind the vehicle to ensure the safety of the reverse.
The current scheme for loading the image picture of backing a car is that after an intelligent vehicle-mounted system is started, the progress of a backing image program is started, and after the progress is started, if a backing signal is received, the loading of a backing image interface is started. After the loading of the reversing image interface is completed, the camera 12 is controlled to be opened, the picture shot by the camera 12 is obtained, and finally, a complete reversing image picture is obtained and displayed on the display device 11.
The current intelligent vehicle-mounted system installed on the vehicle is usually based on an android platform, and a plurality of basic application programs are installed on the intelligent vehicle-mounted system. When the intelligent vehicle-mounted system is started, the basic application programs need to be started one by one, so that the starting speed and the running speed of the intelligent vehicle-mounted system cannot be increased by abandoning a large amount of the intelligent vehicle-mounted system. Therefore, for the image for backing up, after the intelligent vehicle-mounted system is started up and enters the homepage, the image for backing up is still activated really only after a long time, so that the user needs to wait for a long time.
Based on this, the embodiment of the application provides a reverse image picture loading scheme, which is characterized in that a reverse image interface is loaded after a reverse image program is started without waiting for triggering of a reverse signal, and the loading of the reverse image picture is accelerated together through synchronous execution of the loading of the reverse image interface and the starting of a camera, so that the loading time is saved.
The solution of the present application will be described below with reference to the accompanying drawings.
Fig. 2 is a schematic flowchart of a method for loading a reverse image frame according to an embodiment of the present application, and as shown in fig. 2, the method may include:
and S21, loading a reverse image interface on the display device in response to receiving a signal for starting the reverse image program.
The reversing image program is a basic application program on an intelligent vehicle-mounted system and is used for carrying out reversing related processing. Because the backing image program is a program strongly related to the basic functions of the vehicle and the safety of the vehicle, the backing image program can be started after the intelligent vehicle-mounted system is started. After the reversing image program is started, a reversing image interface is loaded on the display equipment.
The display device is a display device on the vehicle and is used for displaying various pictures. When the driver controls the reverse driving, the display device can be used for displaying the reverse driving image picture.
The reversing image interface is one part of the reversing image picture, the other part of the reversing image picture is a reversing image, and the reversing image interface and the reversing image together form the reversing image picture. The reversing image interface is controls, operation buttons and the like on some pictures, and does not relate to specific reversing pictures. The reversing image is generally an image acquired by a camera and is a display of a specific reversing picture.
And S22, acquiring a reverse image in response to receiving the reverse gear signal.
Generally, only when a driver controls the vehicle to reverse, a reverse image screen is displayed on the display device. When the driver controls the vehicle to reverse, the reverse gear is usually engaged. After the intelligent vehicle-mounted system receives the reverse gear signal, the intelligent vehicle-mounted system responds to the received reverse gear signal and can acquire a reverse image, namely a specific reverse picture.
Fig. 3 is a schematic view of a reverse image interface and a reverse image provided in an embodiment of the present application, and as shown in fig. 3, an interface 31 is an exemplary reverse image interface, which includes some operation controls thereon, but does not include a specific image frame. For example, in the interface 31, a closing control, a set reverse line, and the like are included. The interface 32 is an exemplary reverse image, and corresponds to a specific video frame. For example, it can be observed in the interface 32 that behind the vehicle in reverse there are two vehicles, a car and a bus respectively.
And S23, controlling a display device to display a reversing image picture according to the reversing image interface and the reversing image.
After the reversing image interface and the reversing image are obtained, the display equipment can be controlled to display the reversing image picture according to the reversing image interface and the reversing image. The reverse image picture comprises a real-time reverse image, a specific environment behind the vehicle can be known according to the reverse image, and the reverse image picture also comprises a reverse image interface, and the reverse image picture can be correspondingly operated, such as amplified, reduced, translated and the like, according to an operation control on the reverse image interface.
The method for loading the image frame of the reversing image comprises the steps of firstly loading a reversing image interface on display equipment in response to receiving a signal for starting a reversing image program, obtaining a reversing image in response to receiving a reversing signal, and then controlling the display equipment to display the image frame of the reversing image according to the reversing image interface and the reversing image. The scheme provided by the embodiment of the application is different from the previous scheme that the reverse image interface is loaded after the reverse signal is received, the reverse image interface is loaded after the reverse image program is started, and the triggering of the reverse signal is not required to be waited, so that the time for loading the reverse image picture and displaying the reverse image picture can be shortened.
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Fig. 4 is a schematic flowchart of a process of loading a reverse image interface according to an embodiment of the present application, and as shown in fig. 4, the process includes:
s41, determining a first display area, wherein the first display area is a display area outside the display range of the display device.
The display area of the display device is limited, and when the reversing image interface is initially loaded, because the camera is not started to acquire the reversing image, in order to avoid a black display picture on the display device, the initially loaded reversing image interface cannot be displayed in the display range of the display device. Therefore, first, a first display area needs to be determined, and the first display area is only required to be a display area outside the display range of the display device.
And S42, in response to receiving a signal for starting the reverse image program, loading the reverse image interface according to the reverse image program and the first display area.
After the intelligent vehicle-mounted system is started, a plurality of processes can be started, and the backing image process is one of the processes. And the reversing image program is used for rendering the reversing image interface after running and starting in the reversing image process, namely loading the reversing image interface according to the reversing image program and the first display area.
On the display plane of the display device, the display area is infinite, and only the actual display device has the corresponding display range, so that the user can only observe the display picture within the display range of the display device. In the embodiment of the application, the reverse image interface is rendered and loaded to the first display area, namely, the display range which can be observed by a user is out, and at the moment, the user cannot observe the reverse image interface through the display equipment.
And S43, storing the loaded reverse image interface into a first memory.
After the reverse image interface is loaded, the reverse image interface is stored in a first memory, wherein the stored reverse image interface further comprises a corresponding first display area. The first display area is on the same plane as the display area of the display device, but is located at a different position of the same plane.
Fig. 5 is a schematic view of loading a reverse image interface provided in the embodiment of the present application, and as shown in fig. 5, the reverse image interface includes a region 51 and a region 52, where the region 51 is a first display region, and the region 52 is a display region of a display device. The region 51 and the region 52 are located at different positions on the same plane.
Neither area 51 nor area 52 has anything before the reverse image interface is loaded. After the reverse image interface is loaded, the reverse image interface may be displayed in the area 51, but the reverse image interface may not be displayed in the area 52. After the loading is completed, the position information of the area 51 and the reverse image interface are stored in the first memory together.
After the reverse image interface is loaded, if a driver needs to reverse, a reverse image can be obtained according to a reverse signal after a reverse gear is engaged. Fig. 6 is a schematic flowchart of a process of acquiring a reverse image according to an embodiment of the present application, and as shown in fig. 6, the process includes:
and S61, acquiring the reverse image interface from the first memory according to the reverse gear signal, and starting a camera.
After receiving the reverse gear signal, the intelligent vehicle-mounted system can know that the vehicle needs to be backed up at the moment and needs to load a backing-up image picture. The loading of the reversing image picture needs to be formed by a reversing image interface and a reversing image together.
Therefore, the reverse image interface can be obtained from the first memory according to the reverse signal, and the camera is started and used for obtaining the reverse image.
In order to avoid the problem of short-time black screen caused by the fact that a reversing image collected by a camera still needs to be waited for to be loaded after the reversing image interface is loaded, the reversing image interface is loaded and the camera is started to be executed in an asynchronous thread.
Specifically, according to the reverse gear information, a reverse image interface can be obtained from a first memory through a first thread, and a camera is started through a second thread, wherein the first thread and the second thread are asynchronous threads and can be executed synchronously. Different from the previous situation that the camera can be started after the reverse image interface is loaded, in the embodiment of the application, the reverse image interface is obtained and the camera is started simultaneously through the asynchronous thread, so that the required time can be further saved.
The reverse image interface is loaded for the first time after the reverse image program is started and is stored in the first memory, and the reverse image interface is acquired from the first memory through the first thread.
Specifically, the second display area may be determined first, and the display range of the second display area is the display range of the display device. And then acquiring a reverse image interface from the first memory through the first thread according to the reverse signal and the second display area.
The step is mainly to obtain the reverse image interface from the first memory, obtain the reverse image interface according to the position information of the first display area stored before, then modify the display area of the reverse image interface, and modify the display area to the second display area.
S62, responding to the starting of the camera, and acquiring the reversing image from the camera.
After the camera is started, the camera shoots a picture to obtain a reversing image, and then the intelligent vehicle-mounted system can acquire the reversing image from the camera.
Then, the intelligent vehicle-mounted system can control the display equipment to display the reversing image picture according to the reversing image interface and the reversing image.
Specifically, the reversing image interface and the reversing image can be superposed to obtain a superposed reversing image picture, and then the reversing image picture is sent to the display device to control the display device to display the reversing image picture.
Fig. 7 is a schematic view of a reverse image screen provided in the embodiment of the present application, and as shown in fig. 7, a reverse image interface 71 and a reverse image 72 are illustrated. After the reversing image interface 71 and the reversing image 72 are subjected to superposition processing, a corresponding reversing image picture 73 can be obtained, and then the reversing image picture 73 is sent to a display device to be displayed.
Optionally, in this embodiment of the application, the starting of the image program for backing a car is an operation performed after the intelligent vehicle-mounted system is started. Specifically, a start-up instruction can be obtained, and then the reverse image program is started according to the start-up instruction.
When the intelligent vehicle-mounted system is started, a Central Processing Unit (CPU) is in a state of a large load, and a Processing process is slow, so that it takes a long time to load a reverse image picture. By the optimization processing method and the device, time can be saved obviously, and the speed of loading the reversing image picture is improved.
Fig. 8 is a schematic diagram illustrating comparison of backup image frame loading before and after optimization according to an embodiment of the present application, where as shown in fig. 8, a backup image frame loading process before optimization is on the left, and a backup image frame loading process after optimization is on the right.
As shown in the left example of fig. 8, after the smart in-vehicle system is started, the reverse image program is started first. And after the reversing image program is started, acquiring an R gear signal, and loading a reversing image interface according to the R gear signal. And after the loading of the reversing image interface is finished, starting and opening a camera to obtain a reversing image. And finally, previewing the reversing image picture.
As shown in the right example of fig. 8, after the smart in-vehicle system is started, the reverse image program is started first.
And after the reversing image program is started, loading a reversing image interface. And acquiring an R gear signal, synchronously carrying out second loading on a reversing image interface and starting up the operation of opening a camera according to the R gear signal, and acquiring a reversing image. And finally, previewing the reversing image picture.
According to the process of loading the car-backing image images before and after optimization illustrated in fig. 8, according to the scheme of the embodiment of the application, the loading of the car-backing image interface is started after the car-backing image program is started, and the car-backing image interface does not need to be loaded after the R-range signal is acquired, so that the time required by the loading of the car-backing image interface can be saved. Meanwhile, the operation of starting and opening the camera and the loading of the reverse image interface for the second time are synchronously executed, namely the operation is started after the R-gear signal is obtained, the camera does not need to be started after the reverse image interface is loaded, and the time required by loading is further saved.
The method for loading the image frame of the reversing image comprises the steps of firstly loading a reversing image interface on display equipment after a reversing image program is started, obtaining a reversing image after a reversing signal is received, and then controlling the display equipment to display the image frame of the reversing image according to the reversing image interface and the reversing image. The scheme provided by the embodiment of the application is different from the previous scheme of loading the reverse image interface after receiving the reverse signal, and the reverse image interface is loaded after the reverse image program is started without waiting for triggering of the reverse signal, and the reverse image interface is acquired and the camera is started to execute asynchronous threads, so that the time for loading the reverse image picture and displaying the reverse image picture can be shortened.
Fig. 9 is a schematic structural diagram of a reverse image frame loading device according to an embodiment of the present application, and as shown in fig. 9, the reverse image frame loading device 90 includes:
the loading module 91 is used for loading a reversing image interface on the display device in response to receiving a signal for starting a reversing image program;
an obtaining module 92, configured to obtain a reverse image in response to receiving a reverse signal;
and the display module 93 is used for controlling display equipment to display a reversing image picture according to the reversing image interface and the reversing image.
In a possible implementation, the loading module 91 includes:
the display device comprises a determining unit, a display unit and a display unit, wherein the determining unit is used for determining a first display area, and the first display area is a display area outside a display range of the display device;
the loading unit is used for responding to a received signal for starting the reversing image program and loading the reversing image interface according to the reversing image program and the first display area;
and the storage unit is used for storing the loaded reversing image interface into a first memory.
In a possible implementation, the obtaining module 92 comprises:
the first obtaining unit is used for obtaining the reversing image interface from the first memory according to the reversing signal and starting a camera;
and the second acquisition unit is used for responding to the starting of the camera and acquiring the reversing image from the camera.
In one possible implementation, the first obtaining unit includes:
the obtaining subunit is configured to obtain the reverse image interface from the first memory through a first thread according to the reverse signal;
the starting promoter unit is used for starting the camera through a second thread;
wherein the first thread and the second thread execute synchronously.
In a possible implementation manner, the obtaining subunit is specifically configured to:
determining a second display area, wherein the display range of the second display area is the display range of the display device;
and acquiring the reverse image interface from the first memory through the first thread according to the reverse signal and the second display area.
In a possible implementation, the display module 93 includes:
the processing unit is used for performing superposition processing on the reversing image interface and the reversing image to obtain a superposed reversing image picture;
and the control unit is used for sending the reversing image picture to the display equipment so as to control the display equipment to display the reversing image picture.
In a possible implementation, the loading module 91 further includes:
the third acquisition unit is used for acquiring a starting-up instruction;
and the starting unit is used for starting the reversing image program according to the starting instruction.
The reversing image frame loading device provided by the embodiment of the application is used for executing the method embodiment, the implementation principle and the technical effect are similar, and the implementation principle and the technical effect are not repeated herein.
According to an embodiment of the present application, an electronic device and a readable storage medium are also provided.
There is also provided, in accordance with an embodiment of the present application, a computer program product, including: a computer program, stored in a readable storage medium, from which at least one processor of the electronic device can read the computer program, the at least one processor executing the computer program causing the electronic device to perform the solution provided by any of the embodiments described above.
FIG. 10 shows a schematic block diagram of an example electronic device 1000 that may be used to implement embodiments of the present application. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be examples only, and are not meant to limit implementations of the disclosure described and/or claimed herein.
As shown in fig. 10, the electronic device 1000 includes a computing unit 1001 that can perform various appropriate actions and processes according to a computer program stored in a Read Only Memory (ROM)1002 or a computer program loaded from a storage unit 1008 into a Random Access Memory (RAM) 1003. In the RAM 1003, various programs and data necessary for the operation of the device 1000 can also be stored. The calculation unit 1001, the ROM 1002, and the RAM 1003 are connected to each other by a bus 1004. An input/output (I/O) interface 1005 is also connected to bus 1004.
A number of components in device 1000 are connected to I/O interface 1005, including: an input unit 1006 such as a keyboard, a mouse, and the like; an output unit 1007 such as various types of displays, speakers, and the like; a storage unit 1008 such as a magnetic disk, an optical disk, or the like; and a communication unit 1009 such as a network card, a modem, a wireless communication transceiver, or the like. The communication unit 1009 allows the device 1000 to exchange information/data with other devices through a computer network such as the internet and/or various telecommunication networks.
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, Field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), system on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
Program code for implementing the methods of the present disclosure may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the program codes, when executed by the processor or controller, cause the functions/operations specified in the flowchart and/or block diagram to be performed. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), Wide Area Networks (WANs), and the Internet.
The computer system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The Server can be a cloud Server, also called a cloud computing Server or a cloud host, and is a host product in a cloud computing service system, so as to solve the defects of high management difficulty and weak service expansibility in the traditional physical host and VPS service ("Virtual Private Server", or simply "VPS"). The server may also be a server of a distributed system, or a server incorporating a blockchain.
It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the present application may be executed in parallel, sequentially, or in different orders, and the present invention is not limited thereto as long as the desired results of the technical solutions disclosed in the present application can be achieved.
The above-described embodiments should not be construed as limiting the scope of the present application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (17)
1. A method for loading a reverse image picture comprises the following steps:
loading a reversing image interface on the display equipment in response to receiving a signal for starting a reversing image program;
acquiring a reverse image in response to receiving a reverse signal;
and controlling a display device to display a reversing image picture according to the reversing image interface and the reversing image.
2. The method of claim 1, wherein loading a reverse image interface on a display device in response to receiving a signal to initiate a reverse image program comprises:
determining a first display area, wherein the first display area is a display area outside a display range of the display device;
in response to receiving a signal for starting the reversing image program, loading the reversing image interface according to the reversing image program and the first display area;
and storing the loaded reversing image interface into a first memory.
3. The method of claim 2, wherein acquiring a reverse image in response to receiving a reverse signal comprises:
acquiring the reverse image interface from the first memory according to the reverse gear signal, and starting a camera;
and responding to the starting of the camera, and acquiring the reversing image from the camera.
4. The method of claim 3, wherein acquiring the reverse image interface from the first memory and activating a camera according to the reverse signal comprises:
acquiring the reverse image interface from the first memory through a first thread according to the reverse signal;
starting the camera through a second thread;
wherein the first thread and the second thread execute synchronously.
5. The method of claim 4, wherein obtaining the reverse image interface from the first memory by a first thread according to the reverse signal comprises:
determining a second display area, wherein the display range of the second display area is the display range of the display device;
and acquiring the reverse image interface from the first memory through the first thread according to the reverse signal and the second display area.
6. The method according to any one of claims 1-5, wherein controlling a display device to display a reverse image screen according to the reverse image interface and the reverse image comprises:
superposing the reversing image interface and the reversing image to obtain a superposed reversing image picture;
and sending the reversing image picture to the display equipment so as to control the display equipment to display the reversing image picture.
7. The method of any of claims 1-6, wherein the method further comprises:
acquiring a starting-up instruction;
and starting the reversing image program according to the starting instruction.
8. A kind of image picture loading device of backing a car, comprising:
the loading module is used for loading a reversing image interface on the display equipment in response to receiving a signal for starting a reversing image program;
the acquisition module is used for responding to the received reverse gear signal and acquiring a reverse image;
and the display module is used for controlling display equipment to display the reversing image picture according to the reversing image interface and the reversing image.
9. The apparatus of claim 8, wherein the loading module comprises:
the display device comprises a determining unit, a display unit and a display unit, wherein the determining unit is used for determining a first display area, and the first display area is a display area outside a display range of the display device;
the loading unit is used for responding to a received signal for starting the reversing image program and loading the reversing image interface according to the reversing image program and the first display area;
and the storage unit is used for storing the loaded reversing image interface into a first memory.
10. The apparatus of claim 9, wherein the means for obtaining comprises:
the first obtaining unit is used for obtaining the reversing image interface from the first memory according to the reversing signal and starting a camera;
and the second acquisition unit is used for responding to the starting of the camera and acquiring the reversing image from the camera.
11. The apparatus of claim 10, wherein the first obtaining unit comprises:
the obtaining subunit is configured to obtain the reverse image interface from the first memory through a first thread according to the reverse signal;
the starting promoter unit is used for starting the camera through a second thread;
wherein the first thread and the second thread execute synchronously.
12. The apparatus according to claim 11, wherein the obtaining subunit is specifically configured to:
determining a second display area, wherein the display range of the second display area is the display range of the display device;
and acquiring the reverse image interface from the first memory through the first thread according to the reverse signal and the second display area.
13. The apparatus of any of claims 8-12, wherein the display module comprises:
the processing unit is used for performing superposition processing on the reversing image interface and the reversing image to obtain a superposed reversing image picture;
and the control unit is used for sending the reversing image picture to the display equipment so as to control the display equipment to display the reversing image picture.
14. The apparatus of any of claims 8-13, wherein the load module further comprises:
the third acquisition unit is used for acquiring a starting-up instruction;
and the starting unit is used for starting the reversing image program according to the starting instruction.
15. An electronic device, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-7.
16. A non-transitory computer readable storage medium having stored thereon computer instructions for causing the computer to perform the method of any one of claims 1-7.
17. A computer program product comprising a computer program which, when executed by a processor, implements the method according to any one of claims 1-7.
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