CN111114469B - Reversing image starting method and system and vehicle - Google Patents
Reversing image starting method and system and vehicle Download PDFInfo
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- CN111114469B CN111114469B CN201911416799.1A CN201911416799A CN111114469B CN 111114469 B CN111114469 B CN 111114469B CN 201911416799 A CN201911416799 A CN 201911416799A CN 111114469 B CN111114469 B CN 111114469B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The invention provides a method, a system and a vehicle for starting a reverse image, which are applied to a vehicle provided with a host of an android system and a distributed real-time operation (QNX) system, wherein the host comprises a display screen, and the method comprises the following steps: receiving first target image data; performing resolution adaptation conversion on the first target image data to obtain second target image data; when the android system is determined to be in an un-started state, starting a reversing image layer corresponding to the distributed real-time operating system; and sending the second target image data to the display screen through a backing image layer corresponding to the distributed real-time operating system. The QNX system starting time is basically maintained at about 3 seconds, the loading of the reversing image can be completed when a driver sits at a main driving position, the reversing image can be displayed when the driver performs gear engaging operation, the reversing image can be displayed in time, actual requirements are met, and user experience is improved.
Description
Technical Field
The invention relates to the technical field of auxiliary driving, in particular to a method and a system for starting a reversing image and a vehicle.
Background
The reverse image is also called as a parking auxiliary system and is used for displaying the scene behind the vehicle through a display device positioned on a vehicle console when the vehicle backs so as to assist a driver in completing the backing.
Most of current audio-video host systems are android (android) systems, 15-20 seconds of loading time are needed after the host is powered on, and when a reversing image is started in the loading period, the reversing image cannot be displayed in time, so that the experience of a driver is influenced.
Disclosure of Invention
In view of this, the present invention provides a method, a system and a vehicle for starting a car backing image, so as to solve the problem that the car backing image cannot be displayed in time.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a method for starting a reverse image, which is applied to a vehicle equipped with a host of an android system and a distributed real-time operating system, where the host includes a display screen, and the method includes:
receiving first target image data;
performing resolution adaptation conversion on the first target image data to obtain second target image data;
when the android system is determined to be in an un-started state, starting a reversing image layer corresponding to the distributed real-time operating system;
and sending the second target image data to the display screen through a backing image layer corresponding to the distributed real-time operating system.
Optionally, after performing resolution adaptation conversion on the first target image data to obtain second target image data, the method further includes:
when the android system is in a starting state, shielding a backing image layer corresponding to the distributed real-time operating system, and starting the backing image layer corresponding to the android system;
and sending the second target image data to a reversing image processing module of the android system through a reversing image layer corresponding to the android system.
Optionally, after the second target image data is sent to the android system reverse image processing module through the reverse image layer corresponding to the android system, the method further includes:
sending the second target image data to an android display module through the android system backing image processing module;
and sending the second target image data to the display screen through the android display module.
Optionally, after the receiving the first target image data, the method further includes:
and transmitting the first target image data to a reverse image processing module of a distributed real-time operating system.
Optionally, the transmitting the first target image data to the distributed real-time operating system car-backing image processing module includes:
and transmitting the received first target image data to the backing image processing module of the distributed real-time operating system through a low-voltage differential signal transmission protocol.
In a second aspect, an embodiment of the present invention provides a reverse image starting system, which is applied to a vehicle equipped with a host of an android system and a distributed real-time operating system, where the host includes a display screen, and the system includes:
the receiving module is used for receiving first target image data;
the conversion module is used for carrying out resolution adaptation conversion on the first target image data to obtain second target image data;
the starting module is used for starting a reversing image layer corresponding to the distributed real-time operating system when the android system is determined to be in an un-started state;
and the first sending module is used for sending the second target image data to the display screen through a backing image layer corresponding to the distributed real-time operating system.
Optionally, the system further comprises:
the starting module is used for shielding the reversing image layer corresponding to the distributed real-time operating system and starting the reversing image layer corresponding to the android system when the android system is in a starting state;
and the second sending module is used for sending the second target image data to the android system reversing image processing module through the reversing image layer corresponding to the android system.
Optionally, the system further comprises:
the third sending module is used for sending the second target image data to the android display module through the android system reverse image processing module;
and the fourth sending module is used for sending the second target image data to the display screen through the android display module.
Optionally, the system further comprises:
and the transmission module is used for transmitting the first target image data to the backing image processing module of the distributed real-time operating system.
Optionally, the transmission module includes:
and the transmission submodule is used for transmitting the received first target image data to the backing image processing module of the distributed real-time operating system through a low-voltage differential signal transmission protocol.
Compared with the prior art, the embodiment of the invention has the following advantages:
according to the method for starting the reverse image, provided by the embodiment of the invention, the first target image data is received, resolution ratio adaptive conversion is carried out on the first target image data, the second target image data is obtained, when the android system is determined to be in the non-starting state, the reverse image layer corresponding to the distributed real-time operating system is started, and the second target image data is sent to the display screen through the reverse image layer corresponding to the distributed real-time operating system, wherein the starting time of the distributed real-time operating system is basically maintained at about 3 seconds, so that the reverse image can be loaded completely when a driver sits at a main driving position, the reverse image can be displayed when the driver is in a gear operation, namely the reverse image can be displayed in time, so that the actual requirements are met, and the user experience is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart illustrating steps of a method for starting a car backing image according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating steps of a reverse image starting method according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram illustrating a reverse image starting system according to a third embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, a flowchart of steps of a reverse image starting method according to an embodiment of the present invention is shown, where the reverse image starting method is applied to a vehicle equipped with a host of an android system and a distributed real-time operating system, where the host includes a display screen.
As shown in fig. 1, the method for starting a car backing image may specifically include the following steps:
step 101: first target image data is received.
In the embodiment of the invention, the first target image data refers to image data formed by one frame of image collected by a reversing image device installed on a vehicle in the reversing process of the vehicle.
The first target image data may be received by a reverse image device (such as a reverse camera) on a vehicle, and may be transmitted to a reverse image processing module of a distributed real-time operation (QNX Software System Ltd) System through a Low Voltage Differential Signaling (LVDS) video transmission protocol.
After receiving the first target image data, step 102 is performed.
Step 102: and carrying out resolution adaptation conversion on the first target image data to obtain second target image data.
The second target image data is the target image data obtained by performing resolution adaptation conversion on the first target image data.
The resolution adaptation conversion of the first target image data may be: in the backing image processing module of the QNX system, resolution adjustment is carried out on each frame of corresponding image data in the first target image data, so that each frame of image data subjected to resolution adjustment is matched with the display screen and can be normally displayed on the display screen.
Of course, the present invention is not limited to this, and in a specific implementation, other allocation rate adaptation transformation manners may also be adopted, and the embodiment of the present invention is not limited to this.
After the resolution adaptation conversion processing is performed on the first target image data, second target image data can be obtained.
After the second target image data is obtained, step 103 is executed.
Step 103: and when the android system is determined to be in an un-started state, starting a backing image layer corresponding to the distributed real-time operating system.
The QNX system reversing image processing module can send a reversing image starting command to the android system reversing image processing module, and the android system reversing image processing module feeds back the reversing image starting command to the QNX system reversing image processing module in a starting state or a non-starting state at present.
When the android system is not started currently, the QNX system backing image processing module sends an instruction to the QNX layer management module, so that a backing image layer corresponding to the distributed real-time operating system is started, and an android display layer is shielded.
After the backup image layer corresponding to the distributed real-time operating system is started, step 104 is executed.
Step 104: and sending the second target image data to the display screen through the backing image layer corresponding to the distributed real-time operating system.
A distributed real-time operation (QNX Software System Ltd) System is mounted on a vehicle, and the QNX System is started for about 3 seconds and can be started quickly.
Specifically, the QNX layer management module sends the second target image data to the display screen through the backup image layer corresponding to the QNX system.
According to the method for starting the reverse image, provided by the embodiment of the invention, the first target image data is received, resolution ratio adaptive conversion is carried out on the first target image data, the second target image data is obtained, when the android system is determined to be in the non-starting state, the reverse image layer corresponding to the distributed real-time operating system is started, and the second target image data is sent to the display screen through the reverse image layer corresponding to the distributed real-time operating system, wherein the starting time of the distributed real-time operating system is basically maintained at about 3 seconds, so that the reverse image can be loaded completely when a driver sits at a main driving position, the reverse image can be displayed when the driver is in a gear operation, namely the reverse image can be displayed in time, so that the actual requirements are met, and the user experience is improved.
Referring to fig. 2, a flowchart of steps of a reverse image starting method according to a second embodiment of the present invention is shown, where the reverse image starting method is applied to a vehicle equipped with a host of an android system and a distributed real-time operating system, where the host includes a display screen, an android system reverse image processing module, and an android display module, which are connected in sequence.
As shown in fig. 2, the method for starting a car backing image may specifically include the following steps:
step 201: first target image data is received.
In the embodiment of the invention, the first target image data refers to image data formed by one frame of image collected by a reversing image device installed on a vehicle in the reversing process of the vehicle.
The first target image data may be received by a reverse image device (e.g., a reverse camera) on the vehicle.
After receiving the first target image data, step 202 is performed.
Step 202: and transmitting the first target image data to a reverse image processing module of the distributed real-time operating system.
In the embodiment of the present invention, the first target image data may be transmitted to the backing image processing module of the QNX system through the LVDS video transmission protocol.
After the first target image data is transmitted to the distributed real-time operating system backing image processing module, step 203 is executed.
Step 203: and carrying out resolution adaptation conversion on the first target image data to obtain second target image data.
The second target image data is the target image data obtained by performing resolution adaptation conversion on the first target image data.
The resolution adaptation conversion of the first target image data may be: in the backing image processing module of the QNX system, resolution adjustment is carried out on each frame of corresponding image data in the first target image data, so that each frame of image data subjected to resolution adjustment is matched with the display screen and can be normally displayed on the display screen.
Of course, the present invention is not limited to this, and in a specific implementation, other allocation rate adaptation transformation manners may also be adopted, and the embodiment of the present invention is not limited to this.
After the resolution adaptation conversion processing is performed on the first target image data, second target image data can be obtained.
After the second target image data is obtained, step 204 is executed.
Step 204: and when the android system is in a starting state, shielding the backing image layer corresponding to the distributed real-time operating system, and starting the backing image layer corresponding to the android system.
The QNX system reversing image processing module can send a reversing image starting command to the android system reversing image processing module, and the android system reversing image processing module feeds back the reversing image starting command to the QNX system reversing image processing module in a starting state or a non-starting state at present.
When the android system is currently in a starting state, the QNX system backing image processing module sends an instruction to the QNX layer management module, so that a backing image layer corresponding to the distributed real-time operating system is shielded, and the backing image layer corresponding to the android system is opened.
After the reverse image layer corresponding to the android system is opened, step 205 is executed.
Step 205: and sending the second target image data to the android system reversing image processing module through a reversing image layer corresponding to the android system.
When the android system is currently in a starting state, the QNX layer management module shields the reversing image layer corresponding to the distributed real-time operating system, and after the reversing image layer corresponding to the android system is started, the second target image data can be sent to the reversing image processing module of the android system through the reversing image layer corresponding to the android system.
And executing step 206 after the second target image data is sent to the android system reverse image processing module through the reverse image layer corresponding to the android system.
Step 206: and sending the second target image data to an android display module through an android system backing image processing module.
The android system reversing image processing module can push the second target image data to the android display module, so that the android display module can further forward the second target image data to the display screen for display.
After the second target image data can be sent to the android display module through the android system reverse image processing module, step 207 is executed.
Step 207: and sending the second target image data to the display screen through the android display module.
The android display module can send the second target image data to the display screen to complete the display of the backing image.
Step 208: and when the android system is determined to be in an un-started state, starting a backing image layer corresponding to the distributed real-time operating system.
The QNX system reversing image processing module can send a reversing image starting command to the android system reversing image processing module, and the android system reversing image processing module feeds back the reversing image starting command to the QNX system reversing image processing module in a starting state or a non-starting state at present.
When the android system is not started currently, the QNX system backing image processing module sends an instruction to the QNX layer management module, so that a backing image layer corresponding to the distributed real-time operating system is started, and an android display layer is shielded.
After the backup image layer corresponding to the distributed real-time operating system is started, step 209 is executed.
Step 209: and sending the second target image data to the display screen through the backing image layer corresponding to the distributed real-time operating system.
A distributed real-time operation (QNX Software System Ltd) System is mounted on a vehicle, and the QNX System is started for about 3 seconds and can be started quickly.
Specifically, the QNX layer management module sends the second target image data to the display screen through the backup image layer corresponding to the QNX system.
The reversing image starting method provided by the embodiment of the invention comprises the steps of receiving first target image data, transmitting the first target image data to a reversing image processing module of a distributed real-time operating system, carrying out resolution adaptation conversion on the first target image data to obtain second target image data, shielding a reversing image layer corresponding to the distributed real-time operating system when an android system is in a starting state, starting the reversing image layer corresponding to the android system, sending the second target image data to the reversing image processing module of the android system through the reversing image layer corresponding to the android system, sending the second target image data to an android display module through the reversing image processing module of the android system, and starting the reversing image layer corresponding to the distributed real-time operating system when the android system is determined to be in a non-starting state, the image layer of backing a car that corresponds through the real-time operating system of distributing type sends second target image data to the display screen, because QNX system start-up time maintains about 3 seconds basically, can make the image of backing a car sit when main driving position, just can load and accomplish, can show the image of backing a car when the driver carries out the operation of putting into gear, also make the image of backing a car promptly show to satisfy actual demand, promote user experience.
Referring to fig. 3, a schematic structural diagram of a reverse image starting system according to a third embodiment of the present invention is shown, where the reverse image starting system is applied to a vehicle equipped with a host of an android system and a distributed real-time operating system, and the host includes a display screen.
As shown in fig. 3, the reverse image starting system 300 may specifically include:
a receiving module 301, configured to receive first target image data;
a conversion module 302, configured to perform resolution adaptation conversion on the first target image data to obtain second target image data;
the starting module 303 is configured to start a car backing image layer corresponding to the distributed real-time operating system when it is determined that the android system is in an un-started state;
and the first sending module 304 is configured to send the second target image data to the display screen through a reverse image layer corresponding to the distributed real-time operating system.
Optionally, the system further comprises:
the starting module is used for shielding the reversing image layer corresponding to the distributed real-time operating system and starting the reversing image layer corresponding to the android system when the android system is in a starting state;
and the second sending module is used for sending the second target image data to the android system reverse image processing module through the reverse image layer corresponding to the android system.
Optionally, the system further comprises:
the third sending module is used for sending the second target image data to the android display module through the android system backing image processing module;
and the fourth sending module is used for sending the second target image data to the display screen through the android display module.
Optionally, the system further comprises:
and the transmission module is used for transmitting the first target image data to the backing image processing module of the distributed real-time operating system.
Optionally, the transmission module comprises:
and the transmission submodule is used for transmitting the acquired first target image data to the backing image processing module of the distributed real-time operating system through a low-voltage differential signal transmission protocol.
The specific implementation of the reversing image starting system in the embodiment of the invention has been described in detail at the method side, and therefore, the detailed description thereof is omitted here.
In the embodiment of the invention, the reverse image starting system can receive the first target image data through the receiving module and can start the reverse image starting system through the converting module, the resolution adaptation conversion is carried out on the first target image data to obtain second target image data, and the second target image data passes through the display module, when the android system is determined to be in an un-started state, a backing image layer corresponding to the distributed real-time operating system is started, and finally, through the first sending module, the second target image data is sent to the display screen through the backing image layer corresponding to the distributed real-time operating system, because the starting time of the QNX system is basically maintained at about 3 seconds, the loading of the reverse image can be completed when a driver sits at the main driving position, can show the image of backing a car when the driver carries out the operation of putting into gear, make the image of backing a car promptly to show to satisfy actual demand, promote user experience.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A method for starting a reverse image is applied to a vehicle provided with a host of an android system and a distributed real-time operating system, wherein the host comprises a display screen, and the method comprises the following steps:
receiving first target image data;
performing resolution adaptation conversion on the first target image data to obtain second target image data;
when the android system is determined to be in an un-started state, starting a reversing image layer corresponding to the distributed real-time operating system;
sending the second target image data to the display screen through a backing image layer corresponding to the distributed real-time operating system;
after the resolution adaptation conversion is performed on the first target image data to obtain second target image data, the method further includes:
when the android system is in a starting state, shielding a backing image layer corresponding to the distributed real-time operating system, and starting the backing image layer corresponding to the android system;
and sending the second target image data to a reversing image processing module of the android system through a reversing image layer corresponding to the android system.
2. The method according to claim 1, wherein after the second target image data is sent to the android system reverse image processing module through the reverse image layer corresponding to the android system, the method further comprises:
sending the second target image data to an android display module through the android system backing image processing module;
and sending the second target image data to the display screen through the android display module.
3. The method of claim 1, wherein after said receiving first target image data, said method further comprises:
and transmitting the first target image data to a reverse image processing module of a distributed real-time operating system.
4. The method of claim 3, wherein transmitting the first target image data to a distributed real-time operating system backup image processing module comprises:
and transmitting the received first target image data to the backing image processing module of the distributed real-time operating system through a low-voltage differential signal transmission protocol.
5. The utility model provides a reverse image start-up system which characterized in that is applied to the vehicle that carries the host computer that has android system and distributed real-time operating system, the host computer includes the display screen, the system includes:
the receiving module is used for receiving first target image data;
the conversion module is used for carrying out resolution adaptation conversion on the first target image data to obtain second target image data;
the starting module is used for starting a reversing image layer corresponding to the distributed real-time operating system when the android system is determined to be in an un-started state;
the first sending module is used for sending the second target image data to the display screen through a backing image layer corresponding to the distributed real-time operating system;
the system further comprises:
the starting module is used for shielding the reversing image layer corresponding to the distributed real-time operating system and starting the reversing image layer corresponding to the android system when the android system is in a starting state;
and the second sending module is used for sending the second target image data to the android system reversing image processing module through the reversing image layer corresponding to the android system.
6. The system of claim 5, further comprising:
the third sending module is used for sending the second target image data to the android display module through the android system reverse image processing module;
and the fourth sending module is used for sending the second target image data to the display screen through the android display module.
7. The system of claim 5, further comprising:
and the transmission module is used for transmitting the first target image data to the backing image processing module of the distributed real-time operating system.
8. The system of claim 7, wherein the transmission module comprises:
and the transmission submodule is used for transmitting the received first target image data to the backing image processing module of the distributed real-time operating system through a low-voltage differential signal transmission protocol.
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| CN112406899A (en) * | 2020-11-20 | 2021-02-26 | 北京百度网讯科技有限公司 | Driving assistance method, device, equipment and storage medium |
| CN113071511A (en) * | 2021-04-21 | 2021-07-06 | 中国第一汽车股份有限公司 | Method and device for displaying reverse image, electronic equipment and storage medium |
| CN115871560A (en) * | 2023-01-29 | 2023-03-31 | 蔚来汽车科技(安徽)有限公司 | Reverse image display method, control device, vehicle and computer storage medium |
| CN115991148B (en) * | 2023-03-21 | 2023-07-04 | 南京芯驰半导体科技有限公司 | Reversing image display system and method based on multi-core heterogeneous SoC |
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