CN108460355A - Driver status and behavioral value system and method - Google Patents
Driver status and behavioral value system and method Download PDFInfo
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- CN108460355A CN108460355A CN201810201450.5A CN201810201450A CN108460355A CN 108460355 A CN108460355 A CN 108460355A CN 201810201450 A CN201810201450 A CN 201810201450A CN 108460355 A CN108460355 A CN 108460355A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/59—Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
- G06V20/597—Recognising the driver's state or behaviour, e.g. attention or drowsiness
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/147—Details of sensors, e.g. sensor lenses
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
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Abstract
The present invention relates to a kind of driver status and behavioral value system and methods, it acquires the image information of driver by using information collecting device, image information is received to extract characteristic information by detecting controller again, and the transport condition of driver is judged according to this feature information, i.e., the fatigue state and state of attention of driver, finally judges whether to alert according to the transport condition of driver.The driver status and behavioral value system and method can solve the problems, such as that current driver status detecting system rate of false alarm is high, and can identify that driver whether in other behaviors such as operation electronic products, makes early warning in time.
Description
Technical field
The present invention relates to a kind of driver status and behavioral value system and methods.
Background technology
The driver status detecting system used at present needs driver that must collect always in entire driving procedure attention
In in front, be easy to cause rate of false alarm height, while it is more tired to be easy to cause driver；And due to current more electricity
Sub- product, including mobile phone, tablet computer, e-book etc. are more and more placed in front of driver (including direction by driver
On disk), in driving procedure, the situation that attention is put on electronic product by driver for a long time is very universal, has become
For the major reason of traffic jam and traffic accident, current driver status detecting system is unable to judge accurately the tool of driver
Body behavior can not do this kind of phenomenon and accurately and timely alert and judge.
With the iterative method of automatic Pilot technology, fully automated driving technology will be realized within 3-10, in vehicle
In the planning of factory, under particular surroundings and emergency situations, need the control of vehicle giving back driver in time, herein it
Before, it needs to do comprehensive monitoring to the state and ambient enviroment of driver, the accurate behavior for judging driver, it is ensured that driver is at this time
It has the ability and time take over vehicle drive.From the angle for solving current safe driving and automatic Pilot, correctly identification drives
The monitoring technology of member's state can all be increasingly becoming the standard configuration technology of vehicle.In view of the shipment number that current world market automobile is huge
Amount, the market prospects of this technology are boundless.
Based on the above situation, it is necessary to provide a kind of current driver status detecting system rate of false alarm height of solution, and can know
The detecting system and method for other driving behavior.
Invention content
The purpose of the present invention is to provide a kind of driver status and behavioral value system and method, can solve to drive at present
The high problem of member's condition detecting system rate of false alarm, and can identify driver whether in other behaviors such as operation electronic products, in time
Make early warning.
In order to achieve the above objectives, the present invention provides the following technical solutions：A kind of driver status and behavioral value system, packet
It includes：
Information collecting device, acquires the image information of driver, and described information harvester includes infrared camera, infrared
LED and colour imagery shot；
Controller is detected, described image information is received, and characteristic information is extracted by image algorithm, further according to the feature
Information judges the transport condition of driver, then judges whether to alert driver according to the transport condition；
Further, described image information includes facial image information, eyeball image information, hand images information and week
Surrounding environment image information.
Further, the characteristic information includes facial information, eyeball information, hand information and non-vehicle body article letter
Breath；The transport condition includes fatigue state and state of attention.
Further, the detection controller includes：
Message processing module receives described image information, and extracts the characteristic information according to described image algorithm；
Bus- Speed Monitoring module judges current speed；
State detection module judges the transport condition according to the characteristic information；
Judgment module judges whether to alert driver.
Further, infrared camera setting is in driver's seat front, the driver's seat front be selected from include instrument board,
Any position in rearview mirror or driver left side A columns.
Further, the infrared LED is arranged on including instrument board, steering wheel, on the left of rearview mirror or driver in A columns
Any position.
Further, colour imagery shot setting is on the right side of the interior roof or passenger seat on A columns.
Further, the detection controller is electrically connected with the colour imagery shot and infrared camera.
In order to achieve the above objectives, the present invention also provides a kind of driver status and behavioral value methods, using described
Driver status and behavioral value system, described detection method includes the following steps：
The image information of driver is acquired by described information harvester, wherein described information harvester includes red
Outer camera, infrared LED and colour imagery shot；Described image information includes facial image information, eyeball image information, hand
Image information and surrounding enviroment image information；The infrared camera acquires the facial image information and eyeball image letter
Breath, the colour imagery shot acquire the hand images information and surrounding enviroment image information, and described information harvester is by institute
It states image information and is transmitted to the detection controller；
The detection controller receives described image information, wherein the detection controller includes message processing module, vehicle
Fast detection module, state detection module and judgment module；Described information processing module extracts the feature by image algorithm
Information, then the transport condition is detected by the Bus- Speed Monitoring module, state detection module and judgment module, and sentence
Whether disconnected to be alerted, the transport condition includes fatigue state and state of attention, wherein the characteristic information includes：Face
Portion's information, eyeball information, hand information and non-vehicle body Item Information.
Further, the workflow of the detection controller includes：
Detect whether speed is 0 by the Bus- Speed Monitoring module, if so, not prompting driver；If it is not, then leading to
It crosses described information processing module and extracts the characteristic information, then driven by the state detection module and judgment module to detect
The transport condition of member simultaneously judges whether to alert：
If drivers working states are normal, driver is not prompted；
If the time that driver is in fatigue state is longer, alerted, otherwise, driver is not prompted；
When detecting that driver attention is in non-steering direction, whether detection car has non-body electronics product to be in
Working condition, if so, the attention of driver is then detected whether on the non-body electronics product, and according to its time length
And/or frequency height judges whether to alert driver；If no, being in non-driving side according to the attention of driver
To time length judge whether to alert driver.
Compared with prior art, the beneficial effects of the present invention are：The driver status and behavioral value system of the present invention
And method by using information collecting device acquire driver image information, then by detect controller receive image information from
And characteristic information is extracted, and the transport condition of driver is judged according to this feature information, that is, the fatigue state of driver and attention
Power state finally judges whether to alert according to the transport condition of driver.The driver status and behavioral value system tool
It has the advantage that：
(1) accuracy：In conjunction with dual camera, the synthesis such as collected object information, driver information is sentenced from different perspectives
It is disconnected, it can accurately judge whether driver is tired, if attention is placed on other objects, the possibility of wrong report is greatly decreased
Property；
(2) functional diversity：Traditional driver status detecting system can only judge the degree of fatigue of driver, of the invention
Detecting system then can carry out a variety of judgements to driver fatigue state and state of attention；
(3) rapidity：Due to that using the detection controller of multi-cam and combination with image algorithm, can detect in time
Concrete behavior and the state for going out driver judge whether to give driver's warning in time.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is driver status and the structural schematic diagram of behavioral value system shown in one embodiment of the invention；
Fig. 2 is driver status and the process step figure of behavioral value method shown in the present invention；
Fig. 3 is the work flow diagram of the detection controller in detecting system shown in the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Refer to Fig. 1, driver status and behavioral value system shown in one embodiment of the invention include information collection dress
Set 1 and detection controller 2.Described information harvester 1 is used to acquire the image information of driver, and described image information includes face
Portion's image information, eyeball image information, hand images information and surrounding enviroment image information.Institute's information collecting device 1 includes
Infrared camera 11, infrared LED 12 and colour imagery shot 13, infrared camera 11 is by acquiring the transmitting of infrared LED 12 and through driving
The infrared light of the person's of sailing head reflection, to collect the facial image information and eyeball image information of driver；Colour imagery shot 13
The hand images information and surrounding enviroment image information of driver are acquired, subsequent information collecting device 1 is by institute's the image collected
Information is transmitted to detection controller 2.The detection controller 2 include message processing module (not shown), Bus- Speed Monitoring module (not
Diagram), state detection module (not shown) and judgment module (not shown), message processing module receives described image information,
And the characteristic information is extracted according to described image algorithm；Bus- Speed Monitoring module is for judging current speed；State-detection mould
Block is used to judge according to the characteristic information transport condition of current driver；Judgment module according to the transport condition for sentencing
It is disconnected whether driver to be alerted.Wherein, the characteristic information includes facial information, eyeball information, hand information and non-
Vehicle body Item Information, the transport condition include fatigue state and state of attention.
In the present embodiment, the infrared camera 11 is arranged in instrument board, and infrared LED 12 is arranged on the steering wheel,
Colour imagery shot 13 be arranged on interior roof, really, in other embodiments, the infrared camera can also be provided at rearview mirror or
On the left of driver on A columns, infrared LED can also be provided in any position in instrument board, rearview mirror or driver left side A columns,
Colour imagery shot can also be provided on the right side of passenger seat on A columns.
In the present embodiment, the detection controller 2 passes through electric wire 3 with the infrared camera 11 and colour imagery shot 13
Connection, really, in other embodiments, connection type can be selected according to actual conditions.
Refer to Fig. 2, driver status and behavioral value method shown in the present invention include the following steps：
The image information of driver is acquired by described information harvester, wherein described information harvester includes red
Outer camera, infrared LED and colour imagery shot；Described image information includes facial image information, eyeball image information, hand
Image information and surrounding enviroment image information；The infrared camera acquires the facial image information and eyeball image letter
Breath, the colour imagery shot acquire the hand images information and surrounding enviroment image information, and described information harvester is by institute
It states image information and is transmitted to the detection controller；
The detection controller receives described image information, wherein the detection controller includes message processing module, vehicle
Fast detection module, state detection module and judgment module；Described information processing module extracts the feature by image algorithm
Information, then the transport condition is detected by the Bus- Speed Monitoring module, state detection module and judgment module, and sentence
Whether disconnected to be alerted, the transport condition includes fatigue state and state of attention, wherein the characteristic information includes：Face
Portion's information, eyeball information, hand information and non-vehicle body Item Information.
The driver status and behavioral value system judge to drive mainly by detecting driver's facial information and eyeball information
The person's of sailing fatigue state and state of attention judge that driver attention is in conjunction with hand information and non-vehicle body Item Information
It is no to be on non-body electronics product, it judges whether to carry out warning prompt to driver finally by judgment module.
Incorporated by reference to Fig. 3, the specific workflow for detecting controller includes：
Detect whether speed is 0 by the Bus- Speed Monitoring module, if so, not prompting driver；If it is not, then leading to
It crosses described information processing module and extracts the characteristic information, then driven by the state detection module and judgment module to detect
The transport condition of member simultaneously judges whether to alert：
If drivers working states are normal, driver is not prompted；
If the time that driver is in fatigue state is longer, preferably more than 5 seconds, then alerted, otherwise, to driver
It does not prompt；
When detecting that driver attention is in non-steering direction, whether detection car has non-body electronics product to be in
Working condition, if so, the attention of driver is then detected whether on the non-body electronics product, and according to its time length
(whether more than 3 seconds) and/or frequency height (whether occurring in 1 minute to be more than twice) judge whether to alert driver；
If whether the time length for no, being in non-steering direction according to the attention of driver judges whether (more than 4 seconds) to driving
The person of sailing is alerted.
For example, infrared camera acquisition driver's current face image information and eyeball image information, colour imagery shot are adopted
Collect the current hand images information of driver and surrounding enviroment image information, and image information is transferred to detection controller, detects
Controller extracts characteristic information (facial information, eyeball information, hand information and non-vehicle body article by message processing module
Information).At this point, detection controller judges that driver is in non-fatigue state by facial information and eyeball information, but eye
Ball is in active state to the right, that is, attention is in non-steering direction.Judge whether car has by non-vehicle body Item Information again
Non- body electronics product is in running order, and judges whether driver by attention is placed on non-vehicle body at present in conjunction with hand information
On electronic product.Judge whether to carry out warning prompt to driver finally by judgment module.
In summary：The driver status and behavioral value system and method for the present invention is adopted by using information collecting device
Collect the image information of driver, then image information is received to extract characteristic information, and according to this feature by detecting controller
Information judges the transport condition of driver, that is, the fatigue state and state of attention of driver, finally according to the traveling of driver
Whether condition adjudgement is alerted.The driver status and behavioral value system have the following advantages：
(1) accuracy：In conjunction with dual camera, the synthesis such as collected object information, driver information is sentenced from different perspectives
It is disconnected, it can accurately judge whether driver is tired, if attention is placed on other objects, the possibility of wrong report is greatly decreased
Property；
(2) functional diversity：Traditional driver status detecting system can only judge the degree of fatigue of driver, of the invention
Detecting system then can carry out a variety of judgements to driver fatigue state and state of attention；
(3) rapidity：Due to that using the detection controller of multi-cam and combination with image algorithm, can detect in time
Concrete behavior and the state for going out driver judge whether to give driver's warning in time.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of driver status and behavioral value system, which is characterized in that including：
Information collecting device, acquires the image information of driver, and described information harvester includes infrared camera, infrared LED
And colour imagery shot；
Controller is detected, described image information is received, and characteristic information is extracted by image algorithm, further according to the characteristic information
Judge the transport condition of driver, is then judged whether to carry out warning processing to driver according to the transport condition.
2. driver status as described in claim 1 and behavioral value system, which is characterized in that described image information includes face
Portion's image information, eyeball image information, hand images information and surrounding enviroment image information.
3. driver status as claimed in claim 1 or 2 and behavioral value system, which is characterized in that the characteristic information packet
Include facial information, eyeball information, hand information and non-vehicle body Item Information；The transport condition includes fatigue state and attention
Power state.
4. driver status as claimed in claim 3 and behavioral value system, which is characterized in that the detection controller packet
It includes：
Message processing module receives described image information, and extracts the characteristic information according to described image algorithm；
Bus- Speed Monitoring module judges current speed；
State detection module judges the transport condition according to the characteristic information；
Judgment module judges whether to alert driver according to the transport condition.
5. driver status as described in claim 1 and behavioral value system, which is characterized in that the infrared camera setting
In driver's seat front, any position of the driver's seat front on the left of including instrument board, rearview mirror or driver in A columns.
6. driver status as claimed in claim 5 and behavioral value system, which is characterized in that the infrared LED setting exists
Including any position on instrument board, steering wheel, on the left of rearview mirror or driver in A columns.
7. driver status as claimed in claim 6 and behavioral value system, which is characterized in that the colour imagery shot setting
On the right side of the interior roof or passenger seat on A columns.
8. driver status as described in claim 1 and behavioral value system, which is characterized in that the detection controller and institute
State colour imagery shot and infrared camera electrical connection.
9. a kind of driver status and behavioral value method, which is characterized in that using as described in any one of claim 1 to 8
Driver status and behavioral value system, it is described that detection method includes the following steps：
The image information of driver is acquired by described information harvester, wherein described information harvester includes infrared takes the photograph
As head, infrared LED and colour imagery shot；Described image information includes facial image information, eyeball image information, hand images
Information and surrounding enviroment image information；The infrared camera acquires the facial image information and eyeball image information, institute
It states colour imagery shot and acquires the hand images information and surrounding enviroment image information, described information harvester is by described image
Information is transmitted to the detection controller；
The detection controller receives described image information, wherein the detection controller includes message processing module, speed inspection
Survey module, state detection module and judgment module；Described information processing module extracts the characteristic information by image algorithm,
The transport condition is detected by the Bus- Speed Monitoring module, state detection module and judgment module again, and judgement is
No to be alerted, the transport condition includes fatigue state and state of attention, wherein the characteristic information includes：Face letter
Breath, eyeball information, hand information and non-vehicle body Item Information.
10. driver status as claimed in claim 9 and behavioral value method, which is characterized in that the detection controller
Workflow includes：
Detect whether speed is 0 by the Bus- Speed Monitoring module, if so, not prompting driver；If it is not, then passing through institute
It states message processing module and extracts the characteristic information, then detect driver's by the state detection module and judgment module
Transport condition simultaneously judges whether to alert：
If drivers working states are normal, driver is not prompted；
If the time that driver is in fatigue state is longer, alerted, otherwise, driver is not prompted；
When detecting that driver attention is in non-steering direction, whether detection car has non-body electronics product to be in work
State, if so, then detect the attention of driver whether on the non-body electronics product, and according to its time length and/
Or frequency height judges whether to alert driver；If no, being in non-steering direction according to the attention of driver
Time length judge whether to alert driver.
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| CN201810201450.5A CN108460355A (en) | 2018-03-12 | 2018-03-12 | Driver status and behavioral value system and method |
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| WO2021184351A1 (en) * | 2020-03-20 | 2021-09-23 | 深圳市锐明技术股份有限公司 | In-vehicle side-mounted monitoring device |
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Application publication date: 20180828 |