CN109532673A - Reverse image control assembly, method, system and storage medium - Google Patents
Reverse image control assembly, method, system and storage medium Download PDFInfo
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- CN109532673A CN109532673A CN201811635812.8A CN201811635812A CN109532673A CN 109532673 A CN109532673 A CN 109532673A CN 201811635812 A CN201811635812 A CN 201811635812A CN 109532673 A CN109532673 A CN 109532673A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/30—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/806—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for aiding parking
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Abstract
The invention discloses a kind of reverse image control methods, and when video processing module detects reversing instruction, video processing module obtains reverse image from image collecting module；Video processing module obtains user's operation parameter from former vehicle key；Video processing module is that reverse image matches display parameters according to user's operation parameter, obtains target and shows image；Target is shown image output to display module by video processing module.The invention also discloses a kind of reverse image control assembly, system and storage mediums.The invention enables users can be according to use habit and demand, directly use the former vehicle key on steering wheel for vehicle to parameter settings such as light and shade, contrast, color saturation, the clarity of reverse image progress image quality of display in reversing, the reverse image trajectory line, scale line, radar etc. of display are shown without being configured, the demand that different user shows image is met.
Description
Technical field
The present invention relates to automotive field more particularly to a kind of reverse image control assembly, method, system and storage mediums.
Background technique
With the continuous improvement of people's living standards, automobile has become the walking-replacing tool of common people family.Automotive engineering exists
Constantly progress, in-vehicle function also become to be enriched, and for convenience of stopping, reverse image technology is generally answered in automobile
With.Reverse image technology is that after acquiring image data by camera, image data is directly transmitted to car multimedia at present
Screen is shown.Existing reverse image shows excessively single, is shown using unified display standard, can not be to image
Display parameters are configured, and are not able to satisfy the demand that different user shows image.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of reverse image control methods, it is intended to which solution must not meet user to
The technical issues of display parameters of vehicle image are configured.
To achieve the above object, the present invention provides a kind of reverse image control method, comprising:
When video processing module detects reversing instruction, video processing module obtains reversing shadow from image collecting module
Picture；
Video processing module obtains user's operation parameter from former vehicle key；
Video processing module is that the reverse image matches display parameters according to the user's operation parameter, and it is aobvious to obtain target
Show image；
The target is shown image output to display module by video processing module.
Optionally, the reverse image control assembly further includes CAN-BUS network, and the video processing module includes MCU
Processor, video processor, CAN communication module, the video processing module obtain the step of user's operation parameter from former vehicle key
Suddenly include:
CAN communication module obtains the user's operation parameter of former vehicle key based on the CAN-BUS network；
The video processing module is that the reverse image matches display parameters according to the user's operation parameter, obtains mesh
Mark shows that the step of image includes:
MCU processor coordinates the video processor and determines that the first display to be matched is joined according to the user's operation parameter
Number；
Video processor matches first display parameters under MCU processor coordination, for the reverse image, obtains mesh
Mark display image.
Optionally, the CAN communication module obtains the user's operation parameter step of former vehicle key based on the CAN-BUS network
After rapid further include:
If the user's operation parameter has not been obtained in CAN communication module, CAN communication module is based on CAN-BUS network and obtains
Take the vehicle parameter of the environmental information containing outside vehicle；
The video processing module is that the reverse image matches display parameters according to the user's operation parameter, obtains mesh
Mark shows that the step of image includes:
If the user's operation parameter has not been obtained in CAN communication module, MCU processor coordinates the video processor root
The second display parameters to be matched are determined according to the vehicle parameter；
Video processor matches second display parameters under MCU processor coordination, for the reverse image, obtains mesh
Mark display image.
Optionally, the video processing module includes video converter, and the video processing module shows the target
Image output to the step of display module includes:
Video converter shows the target and exports after image formats to display module.
In addition, to achieve the above object, the present invention also provides a kind of reverse image control system, the reverse image control
System includes: memory, processor and is stored in the reverse image control that can be run on the memory and on the processor
Processing procedure sequence, the reverse image control program realize reverse image control method as described above when being executed by the processor
Step.
In addition, to achieve the above object, the present invention also provides a kind of storage medium, reversing is stored on the storage medium
Image controls program, and the reverse image control program realizes reverse image control method as described above when being executed by processor
The step of.
A kind of reverse image control assembly, method, system and the storage medium that the embodiment of the present invention proposes, when video processing
When module detects reversing instruction, video processing module obtains reverse image from image collecting module；Video processing module is from original
Vehicle key obtains user's operation parameter, and the available user of video processing module passes through the setting parameter of former vehicle key-press input, depending on
Frequency processing module is that reverse image matching display parameters obtain target display image, and target is shown according to user's operation parameter
Image output is to display module.So that user can directly use vehicle side in reversing according to use habit and demand
Former vehicle key on disk carries out light and shade, contrast, color saturation, the clarity etc. of image quality to the reverse image of display
Parameter setting shows without being configured the reverse image trajectory line, scale line, radar etc. of display, meets different user
The demand that image is shown.
Detailed description of the invention
Fig. 1 is the terminal structure schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the first connection relationship diagram of reverse image control assembly；
Fig. 3 is the specific embodiment schematic diagram of a scenario of reverse image control assembly of the present invention
Fig. 4 is the second connection relationship diagram of reverse image control assembly；
Fig. 5 is the third connection relationship diagram of reverse image control assembly；
Fig. 6 is the 4th connection relationship diagram of reverse image control assembly；
Fig. 7 is the flow diagram of reverse image control method first embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention are: when video processing module detects reversing instruction, video processing
Module obtains reverse image from image collecting module；Video processing module obtains user's operation parameter from former vehicle key；At video
It is that the reverse image matches display parameters that module, which is managed, according to the user's operation parameter, obtains target and shows image；At video
It manages module and shows image output to display module the target.
Due in the prior art, existing reverse image shows excessively single, is shown using unified display standard,
Image display parameters can not be configured, not be able to satisfy the demand that different user shows image.
The present invention provides a solution, allows user according to use habit and demand, directly makes in reversing
With the former vehicle key on steering wheel for vehicle to the reverse image of display carry out the light and shade of image quality, contrast, color saturation,
The parameter settings such as clarity show without being configured the reverse image trajectory line, scale line, radar etc. of display, meet
The demand that different user shows image.
As shown in Figure 1, Fig. 1 is the system structure diagram for the hardware running environment that the embodiment of the present invention is related to.
As shown in Figure 1, reverse image control system may include: processor 1001, such as CPU, network interface 1004 is used
Family interface 1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is for realizing the company between these components
Connect letter.User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard), can be selected
Family interface 1003 can also include standard wireline interface and wireless interface.Network interface 1004 optionally may include standard
Wireline interface, wireless interface (such as WI-FI interface).Memory 1005 can be high speed RAM memory, be also possible to stable deposit
Reservoir (non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned place
Manage the storage device of device 1001.
It will be understood by those skilled in the art that the restriction of the not structure paired systems of system structure shown in Fig. 1, can wrap
It includes than illustrating more or fewer components, perhaps combines certain components or different component layouts.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage medium
Believe that module, Subscriber Interface Module SIM and reverse image control program.
In terminal shown in Fig. 1, network interface 1004 is mainly used for connecting background server, carries out with background server
Data communication；User interface 1003 is mainly used for connecting client (user terminal), carries out data communication with client；And processor
1001 can be used for that the reverse image stored in memory 1005 is called to control program, and execute following operation:
When video processing module detects reversing instruction, video processing module obtains reversing shadow from image collecting module
Picture；
Video processing module obtains user's operation parameter from former vehicle key；
Video processing module is that the reverse image matches display parameters according to the user's operation parameter, and it is aobvious to obtain target
Show image；
The target is shown image output to display module by video processing module.
Further, the reverse image control assembly further includes CAN-BUS network, and the video processing module includes
MCU processor, video processor, CAN communication module, the video processing module obtain user's operation parameter from former vehicle key
Step includes:
CAN communication module obtains the user's operation parameter of former vehicle key based on the CAN-BUS network；
The video processing module is that the reverse image matches display parameters according to the user's operation parameter, obtains mesh
Mark shows that the step of image includes:
MCU processor coordinates the video processor and determines that the first display to be matched is joined according to the user's operation parameter
Number；
Video processor matches first display parameters under MCU processor coordination, for the reverse image, obtains mesh
Mark display image.
Further, the CAN communication module obtains the user's operation parameter of former vehicle key based on the CAN-BUS network
After step further include:
If the user's operation parameter has not been obtained in CAN communication module, CAN communication module is based on CAN-BUS network and obtains
Take the vehicle parameter of the environmental information containing outside vehicle；
The video processing module is that the reverse image matches display parameters according to the user's operation parameter, obtains mesh
Mark shows that the step of image includes:
If the user's operation parameter has not been obtained in CAN communication module, MCU processor coordinates the video processor root
The second display parameters to be matched are determined according to the vehicle parameter；
Video processor matches second display parameters under MCU processor coordination, for the reverse image, obtains mesh
Mark display image.
Further, the video processing module includes video converter, and the video processing module shows the target
Show that image output to the step of display module includes:
Video converter shows the target and exports after image formats to display module.
Referring to Fig. 2, in order to enable user vehicle to join according to itself habit and demand to the display of reverse image in reversing
Number is configured, and proposes a kind of reverse image control assembly, comprising: image collecting module, former vehicle key, video processing module and
Display module, image collecting module, former vehicle key and display module are communicated to connect with video processing module.
Image collecting module is sent to video processing module for obtaining reverse image；Former vehicle key is used for obtaining
Family operating parameter, and it is sent to video processing module；Video processing module is used to receive reverse image and user's operation parameter, and
It is that reverse image matches display parameters according to user's operation parameter, obtains target and show image and export to display module；Display
Module shows image for receiving simultaneously displaying target.
Wherein, image collecting module carries out wired connection by the external interface that video processing module is reserved, and connection connects
Mouth includes CVBS IN, VCC, GND, RX TX serial ports etc., realizes Back-up video image input.What video processing module can receive
Video format has LVDS (Low-Voltage Differential Signaling, low-voltage differential signal), CVBS
(Composite Video Broadcast Signal, Composite Video Baseband Signal) and RGB (color mode) etc..
Further, referring to Fig. 3, in order to make more preferably to realize data exchange between former vehicle key and video processing module,
Reverse image control assembly further includes the CAN-BUS network of automobile, and video processing module is connect with CAN-BUS network communication,
CAN-BUS network and former vehicle key communicate to connect.
Video processing module receives the user's operation parameter that former vehicle key 200 is sent based on CAN-BUS network 5, at video
Reason module can also obtain the vehicle parameter of the environmental information containing outside vehicle based on CAN-BUS network, and be joined according to user's operation
Several or vehicle parameter is that reverse image matches display parameters, obtains target and shows image.
Wherein, CAN-BUS network is CAN-BUS (Controller Area Network-BUS, the control general ability of automobile
Area network bus technology) system, CAN-BUS, that is, CAN bus technology, Can-Bus bussing technique is used for the forces such as aircraft, tank earliest
In the communication of device electronic system.This technology is used for motor vehicles for civilian use and originates from Europe earliest, this bus on automobile
Transmitting of the network for various sensing datas on vehicle.Data transmission bauds than traditional wire laying mode is higher.CAN bus system
System saves harness than traditional wiring mode, reduces car body weight, while optimizing the wire laying mode of vehicle body.With CAN bus
There is one to break down in the control unit that mode connects, respective data still can be transmitted in other control units, are independent of each other.
CAN data/address bus is double wire system, and if there is one is broken down, CAN system can switch to single line operational mode, improve vehicle
Stability.The two-wire of CAN system is intertwined as " fried dough twist " in practice, can effectively prevent electromagnetism in this way
The interference of wave and to external radiation.Richer vehicle body function may be implemented based on CAN bus system.The application of CAN bus system
The layout of vehicle body route is enormously simplified, the layout that this point can be succinct from enging cabin, neat emerges from.Vehicle body function
It increases, but harness but simplifies accordingly, while the simplification of harness also brings more conveniences to maintenance.It used
In case of a failure, output function can be automatically closed in Cheng Zhong, some component, so that other components in bus are not by shadow
It rings, improves the stability of vehicle body electric-control system to a certain extent.It is this that each functor connects together the complete of composition
The full vehicle that information and date may be implemented in network system is shared, keeps automobile more intelligent in terms of control, accurate.
Nowadays, data communication mainly passes through CAN-BUS network in automobile, CAN-BUS network and automotive interior it is multiple
Equipment and instrument or sensing data connection, CAN bus is a kind of serial data communication protocol.It is connect with CAN-BUS network communication
Modules, vehicle-relevant data, including steering angle data, radar sensing data, light can be obtained by CAN-BUS network
Status data, vehicle speed data, misty rain sensing data, light sensor data, environment temperature sensing data, multi-functional steering wheel number
According to, gear state data, other vehicle-relevant datas etc..
Supplemented by assistant solution, be illustrated by a specific embodiment.Referring to Fig. 4, middle control multimedia system is equivalent in Fig. 4
Display module, camera are equivalent to image collecting module, and vehicle CAN-BUS network is equivalent to CAN-BUS network, video handle box
It is equivalent to video processing module, multifunctional direction disk controller is equivalent to former vehicle key, and vehicle arrangement and sensor access vehicle
The interaction of CAN-BUS network implementations vehicle data.When state of rolling backward occurs in vehicle, video handle box can pass video image data
It transports to middle control multimedia system and shows Back-up video image.Video handle box connects vehicle CAN-BUS system, can pass through CAN
Communication obtains the status data of multifunctional direction disk controller, and car owner can be realized by multifunctional direction disk controller and be regarded to reversing
Frequency image is configured.For example, by " volume+", " volume-", " last track ", " next track " in multipotency steering wheel controller,
It is converted into " return ", " determination ", " turning over " " under turn over " function of image setting respectively, it can easily to reverse image video
It is configured on demand, number of keys is controlled in 6-10 or so in general vehicle multipotency side.Such as when moving backward at night, reverse image is shown
Afterwards, it can become clear to video and quickly be adjusted by " last track ", " next track " in multipotency steering wheel controller, both pacify in this way
Entirely and conveniently, more preferable back-up video can be presented to car owner to assist；Original multifunctional direction disk controller just designs for safe driving,
The purposes of multifunctional direction disk controller is increased, safely and conveniently.
Further, referring to Fig. 5, video processing module further includes CAN communication module, micro display control unit MCU processing
Device and video processor, CAN communication module and video processor are connect with MCU processor by serial ports, video processor with
Display module communication connection.
CAN communication module is used to receive the user's operation parameter that former vehicle key is sent, CAN communication based on CAN-BUS network
Module can also obtain the vehicle parameter of the environmental information containing outside vehicle based on CAN-BUS network, for video processing module root
It is that reverse image matches display parameters according to user's operation parameter or vehicle parameter, obtains target and show image.CAN communication module
Chip model can be TJA1040 or TJA1050 etc..CAN communication module is connected in vehicle by wired connection mode
The CAN-BUS system (i.e. CAN-BUS network) in portion, establishes CAN data communication with vehicle, can obtain vehicle by CAN-BUS system
Related data, including steering angle data, radar sensing data, light status data, vehicle speed data, misty rain sensing data, light
Quick sensing data, environment temperature sensing data, multi-functional steering wheel data, gear state data, other vehicle-relevant datas etc.
Deng.Wherein, CAN-BUS system and former vehicle key communicate to connect.The each of CAN-BUS network is linked by CAN communication agreement
Data interaction may be implemented between module.
MCU processor is joined for coordinating video processor according to the received user's operation parameter of CAN communication module or vehicle
Number determines the display parameters of reverse image, is that reverse image matches display parameters, obtains target and shows image and export to display
Module.MCU (Microcontroller Unit, micro-control unit) processor, also known as one chip microcomputer or single-chip microcontroller,
Be the frequency of CPU (Central Process Unit, central processing unit) and specification are done appropriate reduction, and by memory, count
Device, USB (Universal Serial Bus, universal serial bus), A/D convert (analog-digital converter), UART
(Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter), PLC are (programmable to patrol
Volume controller) etc. perimeter interfaces or even LCD (Liquid Crystal Display, liquid crystal display) driving circuit all integrate
On a single chip, the computer of chip-scale is formed, does various combination control for different applications.Outside such as mobile phone, PC
It encloses, remote controler, until automotive electronics, industrial stepper motor, control of robotic arm etc., the figure of all visible MCU.At this
In inventive embodiments, the chip model of MCU processor can be MM32L073NT etc..
Video processor is used to obtain the reverse image of image collecting module transmission, and under MCU processor coordination, according to
The received user's operation parameter of CAN communication module or vehicle parameter determine the display parameters of reverse image, match for reverse image
Display parameters obtain target and show image.The chip model of video processor can be TW8825 or TW8836 etc..
The external interface that image collecting module is reserved by video processing module, the video processor with video processing module
Carry out wired connection.Image collecting module is for obtaining reverse image, and the reverse image that will acquire is sent to video processor.
In reversing automobile, user directly can carry out the bright of image quality to reverse image by the former vehicle key in vehicle steering wheel
Secretly, parameter settings such as contrast, color saturation, clarity, aobvious to reverse image trajectory line, scale line, radar of display etc.
It is shown with without being configured, user can input the display parameters for needing to be arranged, former vehicle by the former vehicle key in vehicle steering wheel
Key will send user's operation parameter to CAN communication module for obtaining user's operation parameter.CAN communication module obtains former
The user's operation parameter that vehicle key is sent, MCU processor coordinate video processor according to the received user's operation of CAN communication module
Parameter or vehicle parameter determine the display parameters of reverse image, match display parameters for reverse image, obtain target and show image
And it exports to display module.Wherein, video processing module can store last time received user's operation parameter, when former vehicle key does not have
Have when receiving new user's operation parameter, video processing module will obtain last time received user's operation from the data of storage
Parameter is that reverse image matches display parameters according to last time received user's operation parameter, obtains target and show image.Show mould
Block receives and shows the reverse image of video processor output.
When user's selection opening Auto-matching display parameters function and user does not carry out the display parameters of reverse image
When setting, former vehicle key can not get user's operation parameter, and CAN communication module can not also obtain the user's operation of former vehicle key
Parameter；CAN communication module will obtain the vehicle parameters such as automobile external intensity of illumination, misty rain intensity, MCU by CAN-BUS network
Processor is used to coordinate the display parameters that video processor determines reverse image according to the received vehicle parameter of CAN communication module,
Display parameters are matched for reverse image；Video processor obtains the reverse image of video acquisition module transmission, assists in MCU processor
Under tune, the display parameters of reverse image are determined according to the received vehicle parameter of CAN communication module, for reverse image matching display ginseng
It exports after number to display module.Wherein, if need the reverse image automatically to show on display module to match display parameters, use
Family can carry out selection；When Auto-matching display parameters function is closed, the reverse image that shows on display module will be by
It is shown according to the display parameters of default.
Further, referring to Fig. 6, video processing module further includes video converter, and video converter and MCU processor are logical
I2C communication connection is crossed, video converter communicates to connect respectively with video processor and display module.Video converter will be for that will regard
The target that frequency processor determines shows and exports after image formats to display module.The chip model of video converter can
To be MS7024.Because the chip that video processor uses is different, video acquisition module is sent to the reverse image of video processor
After video processor is handled, being likely to result in that treated, reverse image format changes, and does not support to be directly output to show
Show module, then needs to format reverse image to be output after video processor processing, then export again to display
Module.On the basis of reverse image control assembly shown in Fig. 5 add video converter, video converter respectively with video
Processor and display module communication connection are connect with MCU processor by I2C.Video converter is used in video processor root
It is that format is carried out to reverse image to be output and is turned after reverse image matches display parameters according to vehicle parameter or user's operation parameter
It is exported again after changing to display module.
Based on above-mentioned hardware configuration, embodiment of the present invention method is proposed.
Referring to Fig. 7, in reverse image control method first embodiment of the present invention, reverse image control method is applied to fall
Vehicle image control assembly, reverse image control assembly include:
Image collecting module, former vehicle key, video processing module and display module；
Reverse image control method includes:
Step S10, when video processing module detects reversing instruction, video processing module is obtained from image collecting module
Reverse image；
Video processing module and automobile keep communicating to connect, and when automobile is in state of rolling backward, video processing module can be examined
The reversing instruction for measuring automobile, determines that automobile is being moved backward, video processing module obtains reverse image from image collecting module.Its
In, image collecting module for acquiring the reverse image of automobile, and is sent to video processing module.
Step S20, video processing module obtain user's operation parameter from former vehicle key；
Wherein, user's operation parameter refers to that user based on the former vehicle key in vehicle steering wheel, shows in display module
Reverse image setting display parameters.For example, in state of rolling backward, user can by " volume+" key of former vehicle key,
The brightness of display parameters is set as tuning up by realization；By " volume-" key of former vehicle key, realize the brightness of display parameters
It is set as turning down；By " last track " key of former vehicle key, realize by the brightness of display parameters, contrast, color saturation,
The settings such as clarity switching；By " next track " key of former vehicle key, " return " or " determination " etc. are realized.In order to become apparent from
Ground description explanation, the embodiment of the present invention, using the setting of the display parameters of former vehicle key, directly adopt former vehicle key to user
The former vehicle key of Action Specification is how to obtain user's operation parameter, it is to be understood that effect of this place to former vehicle key
Illustrate not constitute and the input of each former vehicle key is limited.
Step S30, video processing module are that reverse image matches display parameters according to user's operation parameter, and it is aobvious to obtain target
Show image；
Wherein, display parameters refer to that the light and shade, contrast, color of the reverse image image quality shown on the display module are full
Nothing is shown with sizes and trajectory line, scale line, the radar of reverse image etc. such as degree, clarity.Target shows image, is
Refer to the reverse image of video acquisition module acquisition, the image obtained after matched display parameters.
Target is shown image output to display module by step S40, video processing module.
Video processing module will determine the display parameters of reverse image according to user's operation parameter, match display ginseng for reversing
After number obtains target display image, target image is exported to display module.On display module will according to matched display parameters,
Displaying target shows image.Wherein, display module can be car multimedia display screen or the external display terminal of automobile.
Further, video processing module can store last time received user's operation parameter, when former vehicle key does not connect
When receiving new user's operation parameter, video processing module is joined last time received user's operation is obtained from the data of storage
Number is that reverse image matches display parameters according to last time received user's operation parameter, obtains target and show image and export extremely
Display module.
In the present embodiment, when video processing module detects reversing instruction, video processing module is from image collection mould
Block obtains reverse image, obtains user's operation parameter from former vehicle key；Video processing module is reversing according to user's operation parameter
Image Matching display parameters obtain target and show image；Target is shown image output to display module by video processing module.Make
Obtaining user can directly use the former vehicle key on steering wheel for vehicle to fall display according to use habit and demand in reversing
Vehicle image carries out the parameter settings such as light and shade, contrast, color saturation, the clarity of image quality, to the reverse image of display
Trajectory line, scale line, radar etc. are shown without being configured, and meet the demand that different user shows image.
Further, video processing module includes video converter, and step S40 includes:
Video converter shows target and exports after image formats to display module.
Because the processing chip that video processing module uses is different, image collecting module is sent to the reversing of video processing module
Image is after video processing module is handled, and being likely to result in that treated, reverse image format changes, and does not support directly defeated
It out to display module, then needs that treated that target shows that image formats to video processing module, then exports again
To display module.
In embodiments of the present invention, by increasing video converter in video processing module, to target show image into
Row format conversion is exported again to display module；Avoid that treated that reverse image format changes through video processing module, it is defeated
Video pictures can not be normally shown to the reverse image on display module out；It ensure that display module can normally show reversing shadow
Picture greatly improves reversing safety, and the user experience is improved.
Further, it is based on embodiment shown in Fig. 7, in reverse image control method second embodiment of the present invention,
Vehicle image control assembly further includes CAN-BUS network, and video processing module includes MCU processor, video processor, CAN communication
Module.Former vehicle key in vehicle steering wheel is designed for safe driving, and the major function of original vehicle key is to make at present
For the shortcut key of multimedia.In embodiments of the present invention, when automobile is in state of rolling backward, former vehicle key is to reverse image
Display parameters setting highest priority, former vehicle key for reverse image display parameters be arranged.Specifically, CAN communication
Module connect with CAN-BUS network communication, establishes CAN data communication, CAN-BUS network and former vehicle key communication link with vehicle
It connects.When user passes through former vehicle key-press input, and the display parameters of reverse image are arranged, CAN communication module passes through CAN-BUS net
Network gets the user's operation parameter of former vehicle key；MCU processor coordinates video processor according to the received use of CAN communication module
Family operating parameter determines the display parameters of reverse image, matches display parameters for reverse image, obtains target and shows image and defeated
Out to display module.Wherein, the chip model of CAN communication module can be TJA1040 or TJA1050 etc., can be according to need
Ask selection to use, the embodiment of the present invention to the concrete model of the chip of CAN communication module with no restriction.
When automobile, which is in, reverses gear state, CAN-BUS network will receive reversing instruction, and image collecting module will acquire vapour
The reverse image of vehicle, and reverse image is sent to video processor, video processor receives falling for image collecting module acquisition
Vehicle image.Wherein, the video format that video processor can receive has LVDS, CVBS and RGB etc..
Step S20 includes:
Step S21, CAN communication module obtain the user's operation parameter of former vehicle key based on CAN-BUS network；
Video processing module is to carry out sending and receiving data, CAN communication module and CAN-BUS network by CAN communication module
Communication connection, establishes CAN data communication with vehicle.In reversing, if user passes through former vehicle key-press input and shows to reverse image
When showing that parameter is configured, CAN communication module receives the user's operation ginseng that former vehicle key is sent based on CAN-BUS network first
Number.
Step S30 includes:
Step A1, MCU processor coordinate video processor and determine that the first display to be matched is joined according to user's operation parameter
Number；
After CAN communication module receives the user's operation parameter for the former vehicle key that CAN-BUS network is sent, MCU processor is obtained
Take the user's operation parameter of the received former vehicle key of CAN communication module.In reversing, if user passes through former vehicle key-press input to
When the display parameters of vehicle image are configured, it is that reverse image matches display parameters that MCU processor, which needs to coordinate video processor,
After CAN communication module receives the user's operation parameter that former vehicle key is sent based on CAN-BUS network, MCU processor coordinates view
Frequency processor determines the first display parameters to be matched according to user's operation parameter.Specifically, MCU processor coordinates video processing
Device determines the sizes such as light and shade, contrast, color saturation, the clarity of reverse image image quality according to user's operation parameter, and
Trajectory line, scale line, radar of reverse image etc. show nothing.
Step A2, video processor match the first display parameters under MCU processor coordination, for reverse image, obtain mesh
Mark display image.
Video processor determines that the first display to be matched is joined under the coordination of MCU processor, according to user's operation parameter
Number exports after matching the first display parameters for reverse image to display module.Wherein, video processor, for obtaining reversing shadow
The display parameters of the reverse image determined under coordinating as and MCU processor, and exported after matching display parameters for reverse image
To display module.Can be selected according to demands such as cost, performances chip model for the chips such as TW8825 or TW8836 as video at
Manage device.
It should be noted that the chip model of video processor be TW8825 when, through video processor treated reversing
Image format can change, and need to increase video converter and format to reverse image to be output, to guarantee
Normal video pictures are shown on display module；When the chip model of video processor is TW8836, handled through video processor
Reverse image format afterwards will not change, and not need to increase video converter to reverse image progress format turn to be output
It changes, can normally show video pictures on the display module.It is understood that video converter is not necessarily necessary,
Only when display module does not support video processor treated the format of reverse image, just need to video processor it
Afterwards, increase video converter before display module, image, which formats, to be shown to target.
In the present embodiment, CAN communication module obtains the user's operation parameter of former vehicle key, MCU based on CAN-BUS network
Processor coordinates video processor and determines the first display parameters to be matched according to user's operation parameter, and video processor is in MCU
Under processor is coordinated, the first display parameters are matched for reverse image, target is obtained and shows image；User is allowed to pass through former vehicle
Key is configured the display parameters of reverse image, more meets user's habit, display in the reverse image that display module is shown
Reverse image seem more comfortable clear for users, greatly improve the safety of reversing process, improve user's body
It tests.
Further, it is based on embodiment shown in Fig. 7, in reverse image control method 3rd embodiment of the present invention, step
After rapid S21 further include:
Step S22, if user's operation parameter has not been obtained in CAN communication module, CAN communication module is based on CAN-BUS net
The vehicle parameter of network acquisition environmental information containing outside vehicle；
When user's selection opening Auto-matching display parameters function and user does not carry out the display parameters of reverse image
When setting, former vehicle key can not get user's operation parameter, and CAN communication module can not also obtain the user's operation of former vehicle key
Parameter；CAN communication module will obtain the vehicle parameters such as automobile external intensity of illumination, misty rain intensity by CAN-BUS network.Its
In, vehicle parameter refers to external light intensity, bright and dark light, misty rain intensity of automobile etc..
Step S30 includes:
Step B1, if user's operation parameter has not been obtained in CAN communication module, MCU processor coordinates video processor root
The second display parameters to be matched are determined according to vehicle parameter；
When user's selection opening Auto-matching display parameters function and user does not carry out the display parameters of reverse image
When setting, after CAN communication module is based on CAN-BUS network acquisition vehicle parameter, MCU processor obtains CAN communication module and receives
Vehicle parameter.MCU processor coordinates video processor and determines that reverse image waits for according to the received vehicle parameter of CAN communication module
Matched second display parameters.
Step B2, video processor match the second display parameters under MCU processor coordination, for reverse image, obtain mesh
Mark display image.
Video processor obtain video acquisition module send reverse image, video processor MCU processor coordination under,
Reverse image the second display parameters to be matched are determined according to the received vehicle parameter of CAN communication module, are matched for reverse image
It exports after second display parameters to display module.Wherein, if need the reverse image matching automatically to show on display module
Display parameters, user can carry out selection；When Auto-matching display parameters function is closed, what is shown on display module is fallen
Vehicle image will be shown according to the display parameters of default.
Further, if determining the second display parameters getting vehicle parameter, target is exported using the second display parameters
After showing image, if user is configured display parameters by former vehicle key, CAN communication module is based on CAN-BUS network
The user's operation parameter of former vehicle key will be received, the method and step referring to above-mentioned second embodiment is by video processing module
Reverse image matches corresponding display parameters and exports to display module.
In the present embodiment, when user selects to open Auto-matching display parameters function and user not to reverse image
When display parameters are arranged, CAN communication module is joined based on the vehicle of the available environmental information containing outside vehicle of CAN-BUS network
Number, MCU processor is coordinated, and video processor is accurate according to vehicle parameter, efficient second display parameters, video
Processor is to export after reverse image matches the second display parameters to display module；It is more pasted in the reverse image that display module is shown
Family habit is shared, the reverse image of display seems more comfortable clear for users, greatly improves the safety of reversing process
Property, the user experience is improved.
In addition, the embodiment of the present invention also proposes a kind of storage medium, reverse image control is stored on the storage medium
The step of program, the reverse image control program realizes reverse image control method as described above when being executed by processor.
Storage medium specific embodiment of the present invention is referred to above-mentioned each embodiment of reverse image control method, herein not
It repeats again.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that terminal device (it can be mobile phone,
Computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of reverse image control assembly, which is characterized in that the reverse image control assembly includes image collecting module, original
Vehicle key, video processing module and display module, the image collecting module, the former vehicle key and the display module with
The video processing module communication connection；
The image collecting module is sent to the video processing module for obtaining reverse image；
The original vehicle key is sent to the video processing module for obtaining user's operation parameter；
The video processing module is used to receive the reverse image and the user's operation parameter, and according to the user's operation
Parameter is that the reverse image matches display parameters, obtains target and shows image and export to display module；
The display module is for receiving and showing that the target shows image.
2. reverse image control assembly as described in claim 1, which is characterized in that the reverse image control assembly further includes
The CAN-BUS network of automobile, the CAN-BUS network and the former vehicle key communicate to connect, the CAN-BUS network with it is described
Video processing module communication connection；
The video processing module receives the user's operation parameter that the former vehicle key is sent based on the CAN-BUS network, with
And the vehicle parameter of the environmental information containing outside vehicle.
3. reverse image control assembly as claimed in claim 2, which is characterized in that the video processing module further includes CAN
Communication module, micro display control unit MCU processor and video processor, the CAN communication module and the MCU processor are logical
Cross serial ports connection, the video processor connect with the MCU processor by serial ports or I2C, the video processor and
The display module communication connection；
The CAN communication module is used to receive the user's operation parameter and the vehicle parameter based on the CAN-BUS network；
The MCU processor is determined for coordinating the video processor according to the user's operation parameter or the vehicle parameter
The display parameters of reverse image match the display parameters for the reverse image, obtain target and show image and export to aobvious
Show module；
The video processor is used to receive the reverse image that the image collecting module is sent, and assists in the MCU processor
Under tune, the display parameters of reverse image are determined according to the user's operation parameter or the vehicle parameter, are the reverse image
The display parameters are matched, target is obtained and shows image and export to display module.
4. reverse image control assembly as claimed in claim 3, which is characterized in that the video processing module further includes video
Converter, the video converter are communicated to connect with the video processor and the display module respectively, the Video Quality Metric
Device is connect with MCU processing by I2C；
The video converter be used for by the video processor determine target show image format after export to
Display module.
5. a kind of reverse image control method, which is characterized in that the reverse image control method is applied to such as claim 1-4
The reverse image control assembly, the reverse image control method include:
When video processing module detects reversing instruction, video processing module obtains reverse image from image collecting module；
Video processing module obtains user's operation parameter from former vehicle key；
Video processing module is that the reverse image matches display parameters according to the user's operation parameter, obtains target and shows shadow
Picture；
The target is shown image output to display module by video processing module.
6. reverse image control method as claimed in claim 5, which is characterized in that the reverse image control assembly further includes
CAN-BUS network, the video processing module include MCU processor, video processor, CAN communication module, the video processing
Module from former vehicle key obtain user's operation parameter the step of include:
CAN communication module obtains the user's operation parameter of former vehicle key based on the CAN-BUS network；
The video processing module is that the reverse image matches display parameters according to the user's operation parameter, and it is aobvious to obtain target
The step of showing image include:
MCU processor coordinates the video processor and determines the first display parameters to be matched according to the user's operation parameter；
Video processor matches first display parameters under MCU processor coordination, for the reverse image, and it is aobvious to obtain target
Show image.
7. reverse image control method as claimed in claim 6, which is characterized in that the CAN communication module is based on described
CAN-BUS network obtains after the user's operation parameter step of former vehicle key further include:
If the user's operation parameter has not been obtained in CAN communication module, CAN communication module is based on the acquisition of CAN-BUS network and contains
The vehicle parameter of outside vehicle environmental information；
The video processing module is that the reverse image matches display parameters according to the user's operation parameter, and it is aobvious to obtain target
The step of showing image include:
If the user's operation parameter has not been obtained in CAN communication module, MCU processor coordinates the video processor according to institute
It states vehicle parameter and determines the second display parameters to be matched；
Video processor matches second display parameters under MCU processor coordination, for the reverse image, and it is aobvious to obtain target
Show image.
8. reverse image control method as claimed in claim 5, which is characterized in that the video processing module includes that video turns
The target is shown that image output to the step of display module includes: by parallel operation, the video processing module
Video converter shows the target and exports after image formats to display module.
9. a kind of reverse image control system, which is characterized in that the reverse image control system includes: memory, processor
And it is stored in the reverse image control program that can be run on the memory and on the processor, the reverse image control
The step of reverse image control method as described in any one of claim 5 to 8 is realized when program is executed by the processor.
10. a kind of storage medium, which is characterized in that be stored with reverse image control program, the reversing on the storage medium
Image control program realizes the reverse image control method as described in any one of claim 5 to 8 when being executed by processor
Step.
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