CN106379238B - Without CAN_BUS intelligent vehicle dynamic trajectory rear camera backsight image systems - Google Patents
Without CAN_BUS intelligent vehicle dynamic trajectory rear camera backsight image systems Download PDFInfo
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- CN106379238B CN106379238B CN201610977772.XA CN201610977772A CN106379238B CN 106379238 B CN106379238 B CN 106379238B CN 201610977772 A CN201610977772 A CN 201610977772A CN 106379238 B CN106379238 B CN 106379238B
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- dynamic
- rear camera
- image
- camera
- bus intelligent
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Classifications
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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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- 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
-
- 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
- B60R2300/302—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing combining image information with GPS information or vehicle data, e.g. vehicle speed, gyro, steering angle data
-
- 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
- B60R2300/304—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing using merged images, e.g. merging camera image with stored images
-
- 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
Abstract
The present invention discloses a kind of no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system,Equipped with camera,To the electric power loop of system power supply,Position sensor measurement module,Single chip control module,The tracks dynamic OSD line generator,Image sensor module,Image display,Steering wheel angle signal and CAN_BUS without vehicle CAN _ BUS communicate,It is changed on tri- axis of X/Y/Z angle by installation site sensor measurement module to detect vehicle,The tracks dynamic OSD line generator generates dynamic OSD path lines,Image sensor module is the Scenery Imaging of vehicle periphery in image sensor surface,Convert optical signals into electric signal,And dynamic OSD path lines are superimposed on vision signal,It is output to image display and carries out display image,It is effective to improve driver and park the safety of process,Reduce the generation of safety accident,To meet the practical application request of numerous drivers.
Description
Technical field
The present invention relates to vehicle imaging system, automobile monitoring device technical fields, particularly relate to a kind of no CAN_BUS intelligence
Vehicle dynamic trajectory rear camera backsight image system.
Background technology
With economic rapid development, people's living standards continue to improve, at present family car be increasingly becoming thousand
The necessity at ten thousand families of family often occurs and barrier during backing parking and for general operator
The phenomenon that scratch, is not easy to automobile parking in ideal position, while there is also some potential safety problemss.
In order to occur to scratch when solving the problems, such as above-mentioned park with barrier, after being installed on more vehicle
Depending on image system, also referred to as parking assist apparatus, safety aid when being automobile parking or reversing, with sound or
Person's image format informs the barrier situation of driver's motor vehicle environment, relieves puzzlement caused when driver parks, moves backward,
And driver is helped to clear away the defect of blind area and blurred vision, improve the safety of driving.Parking on the market at present
Auxiliary device is based on radar for backing car and reverse image system.
And automobile front camera and rear camera is as vehicle imaging system and the acquisition elements of monitoring device, in view of seeing image before and after vehicle
As the steering wheel angle signal that the dynamic path in system needs real vehicle to have CAN_BUS could be formed, and assist driver light
Pine is parked.Currently, existing front-and rear-view image system must all obtain steering wheel for vehicle corner letter from the CAN_BUS buses of vehicle
Number, however, not having CAN_BUS buses in part low and middle-end vehicle, therefore it cannot achieve dynamic driving trace needed for vehicle parking
Line, and then greatly affected the safety during driver parks.
Therefore, it is necessary to a kind of no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system is designed, it is above-mentioned to solve
Technical problem.
Invention content
The problem of for background technology, the object of the present invention is to provide a kind of no CAN_BUS intelligent vehicles dynamics
Path line backsight image system, it is simple in structure, path line of precisely dynamically parking is provided for driver, during parking with raising
Safety reduces traffic accident, to meet the practical application request of numerous drivers.
The technical proposal of the invention is realized in this way：A kind of no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image
System is equipped with camera, includes to the electric power loop of system power supply, position sensor measurement module, single chip control module, moves
The tracks state OSD line generator, image sensor module and image display, wherein position sensor measurement module is detectable to be taken the photograph
As the dynamic acceleration of the acceleration of gravity and in parking process of head static state, measures acceleration of gravity and change numerical value, solution
Analyse acceleration of gravity with its tri- between centers of X/Y/Z component；Differential capacitance unbalance degree is proportional to the size of 3-axis acceleration value,
The amplitude analog voltage directly proportional to acceleration of sensor output, memory is stored in after being converted by A/D, can be by data transmission
To single chip control module；The tracks dynamic OSD line generator can be according to the camera lens light of camera installation site parameter and camera
It learns parameter and calculates dynamic OSD path lines；Image sensor module the Scenery Imaging of vehicle periphery in image sensor surface,
Electric signal is converted optical signals into, and dynamic OSD path lines are superimposed on vision signal, image display is output to and is shown
Image.
In the above-mentioned technical solutions, the camera is high-definition camera.
In the above-mentioned technical solutions, camera is detected using digital MEMS device in the position sensor measurement module
The dynamic of static acceleration of gravity and in parking process accelerates.
In the above-mentioned technical solutions, the memory in the position sensor measurement module is FIFO memory.
In the above-mentioned technical solutions, the position sensor measurement module transfers data to microcontroller by SPI interface
Control module
In the above-mentioned technical solutions, the single chip control module is equipped with MCU chip.
In the above-mentioned technical solutions, the single chip control module has Flash ROM and SRAM memory.
In the above-mentioned technical solutions, the single chip control module integrates JTAG, supports online programming.
In the above-mentioned technical solutions, the single chip control module has the analog and digital interface needed for control system,
Including A/D, house dog, serial communication, PWM, interruption, calculated for data acquisitions, number/analog-converted, three-dimensional perspective and
The function of Image Sensor communications.
In the above-mentioned technical solutions, described image display is LCD display.
The present invention is not necessarily to the steering wheel of vehicle CAN _ BUS without CAN_BUS intelligent vehicle dynamic trajectory rear camera backsight image systems
Angular signal and CAN_BUS communications, are sent out to detect vehicle on tri- axis of X/Y/Z by increasing installation site sensor measurement module
Raw angle changing, the tracks dynamic OSD line generator generate dynamic OSD path lines, scape of the image sensor module vehicle periphery
Object images in image sensor surface, converts optical signals into electric signal, and dynamic OSD path lines are superimposed on vision signal,
Be output to image display and carry out display image, it is effective improve driver park process safety, reduce safety accident
Occur, to meet the practical application request of numerous drivers.
Description of the drawings
Fig. 1 is the present invention without CAN_BUS intelligent vehicle dynamic trajectory rear camera backsight image system structural schematic diagrams；
Fig. 2 is the angular relationship schematic diagram of component and object of the acceleration of gravity on three axis in the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without creative efforts
Example is applied, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system of the present invention, such as
General backsight image system can all be equipped with camera, in the present system, using high-definition camera, be further provided with for being
Electric power loop 1, position sensor measurement module 2, single chip control module 3, the tracks dynamic OSD line generator 4, the figure of system power supply
As sensor assembly 5 and image display 6.
Wherein, the weight of camera static state herein can detect that using digital MEMS device in position sensor measurement module 2
Power acceleration, also can measure the dynamic during camera is parked and accelerates, and can be used for measuring camera by design of hardware and software
Acceleration of gravity change numerical value, then parse acceleration of gravity with its tri- between centers of X/Y/Z component, finally using resolving
Formula find out object three-dimensional angle value.Wherein, the angular relationship of component and object of the acceleration of gravity on three axis
As shown in Fig. 2, calculation formula is respectively：
Installation site sensor measurement module 2 after the power is turned on, according to its state in which, the unbalance journey of differential capacitance in chip
Degree is proportional to the size of 3-axis acceleration value, and the amplitude that sensor the exports analog voltage directly proportional to acceleration is turned by A/D
It is stored in FIFO memory after changing, external microcontroller control module 3 is transferred data to finally by SPI interface.
Single chip control module 3 is equipped with MCU chip, using with Flash ROM and SRAM memory, and integrated JTAG branch
Online programming is held, has the analog and digital interface needed for control system, including A/D, house dog, serial communication, PWM, interruption
Etc. functions, major function be to be calculated for data acquisitions, number/analog-converted, three-dimensional perspective and Image Sensor communication
Etc. functions.
The tracks dynamic OSD line generator 4 is according to the installation site parameter of camera and the lens optical parameter meter of camera
Dynamic OSD path lines are calculated, light in image sensor surface, is believed the Scenery Imaging of vehicle periphery by image sensor module 5
Number it is converted into electric signal, and line generator 4 calculated dynamic OSD path lines in the tracks dynamic OSD are superimposed on vision signal, it is defeated
Go out to image display 6 and carry out display image, it is preferred that image display 6 is LCD display.
The present invention is not necessarily to the steering wheel of vehicle CAN _ BUS without CAN_BUS intelligent vehicle dynamic trajectory rear camera backsight image systems
Angular signal and CAN_BUS communications, are sent out to detect vehicle on tri- axis of X/Y/Z by increasing installation site sensor measurement module
Raw angle changing, the tracks dynamic OSD line generator generate dynamic OSD path lines, scape of the image sensor module vehicle periphery
Object images in image sensor surface, converts optical signals into electric signal, and dynamic OSD path lines are superimposed on vision signal,
Be output to image display and carry out display image, it is effective improve driver park process safety, reduce safety accident
Occur, to meet the practical application request of numerous drivers.Code controller is solved without CAN simultaneously, which can be integrated in camera shooting
Head inside or root root customer demand shape discrete component, flexible system configuration mode are easy to real vehicle and assemble, is wide using vehicle.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system is equipped with camera, it is characterised in that：Including
To the electric power loop of system power supply, position sensor measurement module, single chip control module, the tracks dynamic OSD line generator, figure
As sensor assembly and image display, wherein position sensor measurement module can detect the acceleration of gravity of camera static state
With the dynamic acceleration of in parking process, measures acceleration of gravity and change numerical value, parsing acceleration of gravity is with it in X/
The component of tri- between centers of Y/Z；Differential capacitance unbalance degree is proportional to the size of 3-axis acceleration value, the amplitude and add that sensor exports
The directly proportional analog voltage of speed, memory is stored in after being converted by A/D, can transfer data to single chip control module；It is dynamic
The tracks state OSD line generator can calculate dynamic OSD according to the lens optical parameter of camera installation site parameter and camera
Path line；The Scenery Imaging of vehicle periphery in image sensor surface, is converted optical signals into telecommunications by image sensor module
Number, and dynamic OSD path lines are superimposed on vision signal, it is output to image display and carries out display image.
2. no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system according to claim 1, it is characterised in that：
The camera is high-definition camera.
3. no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system according to claim 1, it is characterised in that：
Using digital MEMS device in the position sensor measurement module, detects the acceleration of gravity of camera static state and parking
Dynamic in journey accelerates.
4. no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system according to claim 1, it is characterised in that：
Memory in the position sensor measurement module is FIFO memory.
5. no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system according to claim 1, it is characterised in that：
The position sensor measurement module transfers data to single chip control module by SPI interface.
6. no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system according to claim 1, it is characterised in that：
The single chip control module is equipped with MCU chip.
7. no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system according to claim 6, it is characterised in that：
The single chip control module has Flash ROM and SRAM memory.
8. no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system according to claim 7, it is characterised in that：
The single chip control module integrates JTAG, supports online programming.
9. no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system according to claim 8, it is characterised in that：
The single chip control module has an analog and digital interface needed for control system, including A/D, house dog, serial communication,
PWM, interruption, for data acquisitions, digital-to-analog conversion, the function that three-dimensional perspective calculates and Image Sensor are communicated.
10. no CAN_BUS intelligent vehicles dynamic trajectory rear camera backsight image system according to claim 1, it is characterised in that：
Described image display is LCD display.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016105340757 | 2016-07-07 | ||
| CN201610534075.7A CN105933680A (en) | 2016-07-07 | 2016-07-07 | CAN_BUS free intelligent vehicle dynamic track line rearview image system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106379238A CN106379238A (en) | 2017-02-08 |
| CN106379238B true CN106379238B (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610534075.7A Pending CN105933680A (en) | 2016-07-07 | 2016-07-07 | CAN_BUS free intelligent vehicle dynamic track line rearview image system |
| CN201610977772.XA Active CN106379238B (en) | 2016-07-07 | 2016-11-08 | Without CAN_BUS intelligent vehicle dynamic trajectory rear camera backsight image systems |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610534075.7A Pending CN105933680A (en) | 2016-07-07 | 2016-07-07 | CAN_BUS free intelligent vehicle dynamic track line rearview image system |
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| CN (2) | CN105933680A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109552173A (en) * | 2017-09-26 | 2019-04-02 | 纵目科技（上海）股份有限公司 | Full visual field camera engine control system |
| CN108377337B (en) * | 2018-04-27 | 2019-01-29 | 哈尔滨拓博科技有限公司 | A kind of SCM Based image processing platform |
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| WO2000020257A1 (en) * | 1998-10-08 | 2000-04-13 | Matsushita Electric Industrial Co., Ltd. | Driving assisting device and recording medium |
| CN1285690A (en) * | 1999-08-18 | 2001-02-28 | 松下电器产业株式会社 | Multi-function vehicle-carried video camera system and image display method |
| CN201967043U (en) * | 2010-12-07 | 2011-09-07 | 佛山市帮帮车居用品有限公司 | Intelligent camera integrated track back-up system |
| CN202896650U (en) * | 2012-10-26 | 2013-04-24 | 深圳市美赛达科技股份有限公司 | Automotive steering wheel cover and automotive parking assist system |
| CN103150748A (en) * | 2013-03-18 | 2013-06-12 | 大连慈航电子有限公司 | Reversing image three-dimensional (3D) scene reconstruction method and system |
| CN105083124A (en) * | 2015-09-17 | 2015-11-25 | 郭金林 | Integrated dynamic backing track video generation method and system |
| CN206485268U (en) * | 2016-07-07 | 2017-09-12 | 广州勘帝德电子科技有限公司 | Without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3645196B2 (en) * | 2001-02-09 | 2005-05-11 | 松下電器産業株式会社 | Image synthesizer |
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2016
- 2016-07-07 CN CN201610534075.7A patent/CN105933680A/en active Pending
- 2016-11-08 CN CN201610977772.XA patent/CN106379238B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000020257A1 (en) * | 1998-10-08 | 2000-04-13 | Matsushita Electric Industrial Co., Ltd. | Driving assisting device and recording medium |
| CN1285690A (en) * | 1999-08-18 | 2001-02-28 | 松下电器产业株式会社 | Multi-function vehicle-carried video camera system and image display method |
| CN201967043U (en) * | 2010-12-07 | 2011-09-07 | 佛山市帮帮车居用品有限公司 | Intelligent camera integrated track back-up system |
| CN202896650U (en) * | 2012-10-26 | 2013-04-24 | 深圳市美赛达科技股份有限公司 | Automotive steering wheel cover and automotive parking assist system |
| CN103150748A (en) * | 2013-03-18 | 2013-06-12 | 大连慈航电子有限公司 | Reversing image three-dimensional (3D) scene reconstruction method and system |
| CN105083124A (en) * | 2015-09-17 | 2015-11-25 | 郭金林 | Integrated dynamic backing track video generation method and system |
| CN206485268U (en) * | 2016-07-07 | 2017-09-12 | 广州勘帝德电子科技有限公司 | Without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems |
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| Publication number | Publication date |
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| CN105933680A (en) | 2016-09-07 |
| CN106379238A (en) | 2017-02-08 |
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