CN108859967A - A kind of Vehicular intelligent inside rear-view mirror device and its application method - Google Patents
A kind of Vehicular intelligent inside rear-view mirror device and its application method Download PDFInfo
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- CN108859967A CN108859967A CN201810505108.4A CN201810505108A CN108859967A CN 108859967 A CN108859967 A CN 108859967A CN 201810505108 A CN201810505108 A CN 201810505108A CN 108859967 A CN108859967 A CN 108859967A
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- driver
- inside rear
- view mirror
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Classifications
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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
- B60R1/02—Rear-view mirror arrangements
- B60R1/04—Rear-view mirror arrangements mounted inside vehicle
-
- 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
- B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
-
- 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
- B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
- B60R1/1207—Mirror assemblies combined with other articles, e.g. clocks with lamps; with turn indicators
-
- 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
- B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
- B60R2001/1215—Mirror assemblies combined with other articles, e.g. clocks with information displays
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Traffic Control Systems (AREA)
Abstract
The present invention relates to a kind of Vehicular intelligent inside rear-view mirror device of technical field of automobile control and its application methods, acquire and identify driver's eye feature by described image acquisition module；Ultrasonic sensor acquires the distance signal of driver's eye locations and inside rear-view mirror, and slant angle sensor acquires the angle signal of room mirror；Memory is used to store collected data；The distance signal of acquisition, angle signal are displayed signal to display screen to motor drive module and output to lighting adjusting device, output motor control signal by calculating output light intensity control signal by control module, the on-off and brightness that the headlamp of room mirror surrounding is adjusted by lighting adjusting device adjust introscope angle and distance by motor drive module；Pass through the information of display screen real-time display current angular, high and low position.It can be reduced driver blind area, expand field range, improve the safety coefficient of running car, reduce traffic accident.
Description
Technical field
The present invention relates to technical field of automobile control, and in particular to a kind of Vehicular intelligent inside rear-view mirror control device and use
Method.
Background technique
Currently, automobile has become the most common vehicles in the world.However, automobile is bringing convenient traffic
While, a series of traffic accident is also brought, or even will cause personnel death.According to official statistics, 90% traffic accident is all
It is as caused by vehicle blind zone.Front blind-area apart from size and bodywork height, height of seat, the body of headstock length and driver
It is high related.
In the numerous devices of automobile, cause vehicle blind zone problem is most important to belong to room mirror, in running car
In the process, interior mirror must be taken into consideration according to bodywork height in driver, height of seat, the body of headstock length and driver
High influence factor carries out the setting of the orientation angle, high and low position of room mirror.
In vehicle travel process, driver may cause because of the main, objective factor such as fatigue or extraneous light variation
The variation of driver's sitting posture eventually leads to the variation of the current angle and height distance of conventional visual angle and room mirror of driver, from
And blind area is generated, lead to traffic accident.
Summary of the invention
For the room mirror problem in the above running car, the present invention provides backsights in a kind of Vehicular intelligent
Lens device can greatly reduce the blind area of driver, expand field range, improve the safety coefficient of running car, reduce traffic thing
Therefore.
For this purpose, technical solution provided by the invention is as follows：A kind of Vehicular intelligent inside rear-view mirror device, including control module,
Image capture module, memory, motor drive module, slant angle sensor, ultrasonic sensor, display screen and illumination adjustments dress
It sets；The work of the control module control whole device, is acquired and is identified that driver's eyes are special by described image acquisition module
Sign；The ultrasonic sensor is responsible for acquiring the distance signal of driver's eye locations and inside rear-view mirror, the slant angle sensor
It is responsible for the angle signal of acquisition room mirror in real time；The memory is used to store collected data；Control module will obtain
Distance signal, the angle signal obtained is controlled by calculating output light intensity control signal to lighting adjusting device, output motor
Signal displays signal to display screen to motor drive module and output, adjusts room mirror surrounding by lighting adjusting device
Headlamp on-off and brightness, pass through motor drive module adjust introscope angles and positions；Pass through display screen real-time display
Current angular and location information.
Further, described image acquisition module acquisition driver's eye and other face features, form recognition of face signal
It is stored into memory, control module passes through by calling recognition of face signal, provides and meet the interior of specific driver's driving habit
Position of rear view mirror initial value.
Be as a further improvement of the present invention, described image acquisition module include camera, slant angle sensor and
Ultrasonic sensor is placed on outside room mirror and hangs over the vertical lower of inside rear-view mirror, the control module, storage
Device, motor drive module, the controller in lighting adjusting device are arranged in interior inside rear-view mirrors.
Further, the control module is mainly made of FPGA and GPU processor, and GPU is responsible for acquiring camera
Data carry out graphics process, and FPGA is responsible for controlling the processing of the various signal datas of whole system.
Preferably, the display screen is OLED display screen, is built in inside rear-view mirror lower-left Angle Position.
Preferably, the lighting adjusting device is made of LED ceiling lamp and control device.
The device when in use, includes the following steps：
S1, before driver dispatches a car, driver just sits, according to conventional both view angle adjustment inside rear-view mirror to suitable position；At this point, Image Acquisition
Module collects driver's eye feature and other face features, and compares the face feature of memory record, if meeting record,
The inside rear-view mirror position initial value for then calling the particular person stored in the past, does not meet record such as, then by slant angle sensor and
Ultrasonic sensor realizes the staking-out work before driving, and specific calibration mode is：When camera recognizes the eye eyes of driver
After feature and other face features, slant angle sensor acquires the tilt angle of current introscope, ultrasonic sensor acquisition department
The specific physical feeling of machine at a distance from inside rear-view mirror, control module by the two sensors this moment collected tilt angle and
Distance is stored in memory as the reference value after traveling, calibration value, the inside rear-view mirror position initial value as particular person；
During S2, driver driving, control module operates room mirror by the motor drive module of control room mirror
The movement for carrying out upper and lower, left and right angle and front and back, enables the eye eye feature and other faces of camera real-time query driver
Portion's feature, after the eye eye feature of driver and other face features are recognized by camera, slant angle sensor acquisition is worked as
Tilt angle and ultrasonic sensor the acquisition specific physical feeling of driver of preceding introscope are at a distance from inside rear-view mirror, if currently
When obtained angle and distance is inconsistent at a distance from calibration before driving, control module is driven by the motor of control room mirror
Dynamic model block, operation room mirror carry out the movement of upper and lower, left and right and angle, make slant angle sensor and ultrasonic sensor
Collected angle and distance is less than error amount；
S3, with the variation of room mirror angle and height distance, be mounted on the display screen in inside rear-view mirror to go out in real time
The information of existing current data facilitates driver to check information and prepare to drive the vehicle next time；
During S4, driver driving, slant angle sensor and ultrasonic sensor acquire the real-time of current driver and inside rear-view mirror
The information such as angle and height distance, are handled, analysis by control module, are mounted on the light of the headlamp of room mirror surrounding
Intensity can occur corresponding variation, provide optimal lighting environment for driver under the action of lighting adjusting device.
Beneficial effects of the present invention：
The present invention provides a kind of instant, simple, efficient Vehicular intelligent inside rear-view mirror devices, can greatly improve vehicle driving
In safety coefficient, effectively reduce traffic accident, promote the development of Traffic conflicts.The present invention is by embedded technology, electricity
Machine technology, sensor technology, Image Acquisition, display screen technology, illumination adjustments technology, image procossing and identification technology are integrated in one
It rises, makes vehicle in the process of moving, driver can obtain the sufficiently large visual field by room mirror, it is ensured that vehicle safety row
Sail, and can in inside rear-view mirror real time inspection parameter current variation, greatly facilitate driver to obtain current optimal viewing angle, be
The vehicle is driven next time to prepare；Meanwhile rearview mirror surrounding places headlamp in the car, is handled by control module, analysis, it is real
When control surrounding headlamp illumination intensity, provide optimal lighting environment for driver, driver facilitated to check surrounding vehicles shape
Condition reduces the front blind-area of driver, expands field range.
Detailed description of the invention
Fig. 1 is present system block diagram.
Fig. 2 is inside rear-view mirror mounting structure schematic diagram（The internal structure of inside rear-view mirror is not shown in figure）.
In figure, 1 inside rear-view mirror, about 2 angular adjustment servo motors, 3 or so angular adjustment servo motors, 4 dragging tracks,
5 are moved forward and backward adjusting servo motor.
Specific embodiment
Specifically describe the present invention with reference to the accompanying drawings and examples.
As shown in Figure 1, 2, a kind of room mirror intelligent regulating device of the invention, including control module, Image Acquisition
Module, memory, motor drive module, slant angle sensor, ultrasonic sensor, display screen and lighting adjusting device；It is described
Control module controls the work of whole device, acquires and identify driver's eye feature by described image acquisition module；It is described
Ultrasonic sensor is responsible for acquiring the distance signal of driver's eye locations and inside rear-view mirror, and the slant angle sensor is responsible for real-time
Acquire the angle signal of room mirror；The memory is used to store collected data；Control module is by the distance of acquisition
Signal, angle signal are by calculating output light intensity control signal to lighting adjusting device, output motor control signal to electricity
Machine drive module and output display signal to display screen, and the headlamp of room mirror surrounding is adjusted by lighting adjusting device
On-off and brightness, pass through motor drive module adjust introscope angles and positions；Pass through display screen real-time display current angular
And location information.
Described image acquisition module acquires driver's eye and other face features, forms recognition of face signal and is stored into storage
Device, control module pass through by calling recognition of face signal, provide the inside rear-view mirror position for meeting specific driver's driving habit
Initial value.
Image capture module includes that camera, slant angle sensor and ultrasonic sensor are placed on outside room mirror
And the vertical lower of inside rear-view mirror is hung over, the control in control module, memory, motor drive module and lighting adjusting device
Device processed is arranged in interior inside rear-view mirrors.
The control module is mainly made of FPGA and GPU processor, and GPU is for carrying out figure to the data that camera acquires
Shape processing, FPGA are used for the processing of various signal datas.Wherein GPU processor is responsible for optics/light source device as graphics processor
The drive control of part, the parameter setting etc. of light source device；FPGA is responsible for handling to various data processings and control, including through GPU
Device treated data.
Slant angle sensor model MPU-6050；The ultrasonic sensor model HC-SR04.Camera module by
Camera and webcam driver composition；Camera model JA-F5M.Motor drive module by servo motor and servo motor outside
Enclose driving assembly composition.The servo motor model number is BCH1303N12A1C, and driving assembly uses L298N.Memory module uses
Micro SD card.Display panel module is OLED display screen composition, specifically uses 12864 liquid crystal display of Arduino.Illumination adjustments dress
It sets and is made of LED ceiling lamp and control device, control device uses OP-DY220/22.
In use, the apparatus may include following steps：
S1, before driver dispatches a car, driver just sits, according to conventional both view angle adjustment inside rear-view mirror to suitable position；At this point, Image Acquisition
Module collects driver's eye feature and other face features, and compares the face feature of memory record, if meeting record,
The inside rear-view mirror position initial value for then calling the particular person stored in the past, does not meet record such as, then by slant angle sensor and
Ultrasonic sensor realizes the staking-out work before driving, and specific calibration mode is：When camera recognizes the eye eyes of driver
After feature and other face features, slant angle sensor acquires the tilt angle of current introscope, ultrasonic sensor acquisition department
The specific physical feeling of machine at a distance from inside rear-view mirror, control module by the two sensors this moment collected tilt angle and
Distance is stored in memory as the reference value after traveling, calibration value, the inside rear-view mirror position initial value as particular person；
During S2, driver driving, control module operates room mirror by the motor drive module of control room mirror
The movement for carrying out upper and lower, left and right angle and front and back, as shown in Fig. 2, inside rear-view mirror 1 can pass through upper and lower angular adjustment servo motor
2 adjust upper lower angle, adjust left and right angle by left and right angular adjustment servo motor 3, are moved forward and backward adjusting servo motor 5 and drive
It is moved forward and backward distance in dragging track 4 and realizes adjusting.Enable camera real-time query driver eye eye feature and its
His face feature, after the eye eye feature of driver and other face features are recognized by camera, slant angle sensor is adopted
The tilt angle and ultrasonic sensor for collecting current introscope acquire the specific physical feeling of driver at a distance from inside rear-view mirror, if
When currently available angle and distance is inconsistent at a distance from calibration before driving, control module passes through the electricity of control room mirror
Machine drive module, operation room mirror carry out the movement of upper and lower, left and right and angle, pass slant angle sensor and ultrasonic wave
The collected angle and distance of sensor is less than error amount；
S3, with the variation of room mirror angle and height distance, be mounted on the display screen in inside rear-view mirror to go out in real time
The information of existing current data facilitates driver to check information and prepare to drive the vehicle next time；
During S4, driver driving, slant angle sensor and ultrasonic sensor acquire the real-time of current driver and inside rear-view mirror
The information such as angle and height distance, are handled, analysis by control module, are mounted on the light of the headlamp of room mirror surrounding
Intensity can occur corresponding variation, provide optimal lighting environment for driver under the action of lighting adjusting device.
Figure acquisition module work step is as follows：
1. image information acquisition：Signal is sent into video frequency collection card and is converted to digital view through over-sampling and quantification treatment by camera
Frequency signal.
2. image procossing：Include mainly image enhancement, image segmentation, edge extracting, image restoration etc., can make collected
Signal is more suitable for microcontroller and carries out feature extraction.
3. image characteristics extraction：The image taken pictures is subjected to characteristic processing, from going out useful information derived from filter circuit,
The most useful feature is found, from many features to reduce the difficulty of subsequent processing.
4. image recognition：Different objects is identified using template matching method, and executes corresponding function.
The device has following function：
1, room mirror height and angle can intelligently be adjusted：Processor passes through the motor drive module of control room mirror,
The movement that room mirror carries out upper and lower, left and right and angle is operated, keeps the eye eyes of camera real-time query driver special
Sign and other face features, after the eye eye feature of driver and other face features are recognized by camera, inclination angle is passed
Sensor acquires the tilt angle and the ultrasonic sensor specific physical feeling of acquisition driver and inside rear-view mirror of current introscope
Distance, if currently available angle and distance is inconsistent at a distance from calibration before driving, processor is by controlling interior backsight
The motor drive module of mirror, operation room mirror carry out the movement of upper and lower, left and right and angle.
2, multinomial data storage：It is used to store collected data by outer memory module, wherein including：Each department
The horizontal distance difference and hang down that the eye feature of machine and the other face features of driver and each driver and room mirror generate
Straight range difference.
3, the current ginseng such as angle and height distance of conventional visual angle and room mirror of the current driver of display screen real-time display
Number information：The transparence display panel module being mounted on inside inside rear-view mirror can provide all kinds of ginsengs of current real-time change for driver
Number information, greatly facilitates driver and obtains optimal visual angle.
4, room mirror reflected light realizes automatic adjustment：Using slant angle sensor measurement module, ultrasonic wave module and
The mode that headlamp combines is handled, analysis by control module, adjusts the illumination intensity of the headlamp of surrounding in real time, to department
Machine provides optimal lighting environment.
5, the present invention is not only used on automobile, can be used in other vehicles.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing creative labor
A little replacements and deformation, these replacements and deformation are within the scope of the invention.
Claims (7)
1. a kind of Vehicular intelligent inside rear-view mirror device, including control module, image capture module, memory, motor drive module,
Slant angle sensor, ultrasonic sensor, display screen and lighting adjusting device；The work of the control module control whole device
Make, acquires and identify driver's eye feature by described image acquisition module；The ultrasonic sensor is responsible for acquiring driver
The distance signal of eye locations and inside rear-view mirror, the slant angle sensor are responsible for the angle letter of acquisition room mirror in real time
Number；The memory is used to store collected data；Control module is defeated by calculating by the distance signal of acquisition, angle signal
Light intensity control signal is to lighting adjusting device, output motor control signal to motor drive module and output display letter out
Number give display screen, by lighting adjusting device adjust room mirror surrounding headlamp on-off and brightness, driven by motor
Dynamic model block adjusts introscope angles and positions；Pass through display screen real-time display current angular and location information.
2. a kind of Vehicular intelligent inside rear-view mirror device according to claim 1, it is characterised in that：Described image acquisition module
Driver's eye and other face features are acquired, recognition of face signal is formed and is stored into memory, control module passes through calling
Recognition of face signal provides the inside rear-view mirror position initial value for meeting specific driver's driving habit.
3. a kind of Vehicular intelligent inside rear-view mirror device according to claim 1 or 2, it is characterised in that：Described image acquisition
Module includes that camera, slant angle sensor and ultrasonic sensor are placed on outside room mirror and hang over inside rear-view mirror
Vertical lower, the display screen, control module, memory, motor drive module be arranged in interior inside rear-view mirrors, illumination adjustments
Controller in device is placed on inside inside rear-view mirror.
4. a kind of Vehicular intelligent inside rear-view mirror device according to claim 1 or 2, it is characterised in that：The control module
It is mainly made of FPGA and GPU processor, the data that GPU is used to acquire camera carry out graphics process, and FPGA is for various
The processing of signal data.
5. a kind of Vehicular intelligent inside rear-view mirror device according to claim 1 or 2, it is characterised in that：The display screen is
OLED display screen is built in inside rear-view mirror lower-left Angle Position.
6. a kind of Vehicular intelligent inside rear-view mirror device according to claim 1 or 2, it is characterised in that：The illumination adjustments
Device is made of LED ceiling lamp and control device.
7. a kind of application method of Vehicular intelligent inside rear-view mirror device, includes the following steps：
S1, before driver dispatches a car, driver just sits, according to conventional both view angle adjustment inside rear-view mirror to suitable position；At this point, Image Acquisition
Module collects driver's eye feature and other face features, and compares the face feature of memory record, if meeting record,
The inside rear-view mirror position initial value for then calling the particular person stored in the past, does not meet record such as, then by slant angle sensor and
Ultrasonic sensor realizes the staking-out work before driving, and specific calibration mode is：When camera recognizes the eye eyes of driver
After feature and other face features, slant angle sensor acquires the tilt angle of current introscope, ultrasonic sensor acquisition department
The specific physical feeling of machine at a distance from inside rear-view mirror, control module by the two sensors this moment collected tilt angle and
Distance is stored in memory as the reference value after traveling, calibration value, the inside rear-view mirror position initial value as particular person；
During S2, driver driving, control module operates room mirror by the motor drive module of control room mirror
The movement for carrying out upper and lower, left and right angle and front and back, enables the eye eye feature and other faces of camera real-time query driver
Portion's feature, after the eye eye feature of driver and other face features are recognized by camera, slant angle sensor acquisition is worked as
Tilt angle and ultrasonic sensor the acquisition specific physical feeling of driver of preceding introscope are at a distance from inside rear-view mirror, if currently
When obtained angle and distance is inconsistent at a distance from calibration before driving, control module is driven by the motor of control room mirror
Dynamic model block, operation room mirror carry out the movement of upper and lower, left and right and angle, make slant angle sensor and ultrasonic sensor
Collected angle and distance is less than error amount；
S3, with the variation of room mirror angle and height distance, be mounted on the display screen in inside rear-view mirror to go out in real time
The information of existing current data facilitates driver to check information and prepare to drive the vehicle next time；
During S4, driver driving, slant angle sensor and ultrasonic sensor acquire the real-time of current driver and inside rear-view mirror
The information such as angle and height distance, are handled, analysis by control module, are mounted on the light of the headlamp of room mirror surrounding
Intensity can occur corresponding variation, provide optimal lighting environment for driver under the action of lighting adjusting device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810505108.4A CN108859967B (en) | 2018-05-24 | 2018-05-24 | Intelligent interior rearview mirror device for vehicle and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810505108.4A CN108859967B (en) | 2018-05-24 | 2018-05-24 | Intelligent interior rearview mirror device for vehicle and using method thereof |
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| CN108859967A true CN108859967A (en) | 2018-11-23 |
| CN108859967B CN108859967B (en) | 2021-08-31 |
Family
ID=64332980
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810505108.4A Active CN108859967B (en) | 2018-05-24 | 2018-05-24 | Intelligent interior rearview mirror device for vehicle and using method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110103865A (en) * | 2019-04-17 | 2019-08-09 | 浙江合众新能源汽车有限公司 | The vehicle-mounted individual cultivation application system of driver based on recognition of face |
| CN114212093A (en) * | 2021-12-08 | 2022-03-22 | 浙江大学 | Safe driving monitoring method and system and storable medium |
| CN114889526A (en) * | 2022-04-13 | 2022-08-12 | 广州优创电子有限公司 | Vehicle-mounted intelligent electronic external rearview mirror with built-in left and right display screens |
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| CN114889526B (en) * | 2022-04-13 | 2024-05-07 | 广州优创电子有限公司 | Vehicle-mounted intelligent electronic exterior rearview mirror with built-in left and right display screens |
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| Publication number | Publication date |
|---|---|
| CN108859967B (en) | 2021-08-31 |
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