CN109278555A - A kind of detection method and detection system worn slippers and drive vehicle - Google Patents
A kind of detection method and detection system worn slippers and drive vehicle Download PDFInfo
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- CN109278555A CN109278555A CN201811215911.0A CN201811215911A CN109278555A CN 109278555 A CN109278555 A CN 109278555A CN 201811215911 A CN201811215911 A CN 201811215911A CN 109278555 A CN109278555 A CN 109278555A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
- B60K28/06—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
- B60K28/066—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver actuating a signalling device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
- B60K28/06—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
- B60K28/063—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver preventing starting of vehicles
Abstract
The invention discloses a kind of detection methods and detection system worn slippers and drive vehicle, it is based on the image near Vehicular video acquisition system shooting driver's cabin pedal position, separate driver's right crus of diaphragm image information, the visual skin area of extracted in self-adaptive driver foot, calculate the number of visual skin connected region, the characteristic parameters such as emphasis and area, a kind of driver, which is provided, based on these characteristic parameter information wears the automatic testing method that slippers drive vehicle, and necessary prompting or interference are given when detection determines that driver exists to wear when slippers drive the behavior of vehicle, reduce driver and wears the incidence that slippers drive this kind of illegal activities of vehicle, reduce street accidents risks, improve travel safety.
Description
Technical field
The present invention relates to technical field of vehicle safety, can automatically detect whether driver wears more particularly, to one kind
Slippers drive and vehicle and make the detection method and detection system accordingly reminded accordingly.
Background technique
It is one of numerous bad steering habits that driver, which wears slippers and drives vehicle,.Although wearing slippers to drive conveniently to relax
Suitable, but there is great security risks.Slippers driving is put on, although sole relatively loosens comfortably, because shoes are wider
Greatly, the too easy skidding in brake, accidentally, half of instep will be extruded from shoe lining.In addition, since slippers do not fit well,
Easily there is the phenomenon that shoes landing, especially car owner's driving is met more fearful when emergency.Statistics shows: driver wears slippers
When can all have a deviation to the control of clutch and throttle, it is average slow that the time that foot moves between throttle and brake compares normal condition
Upper 0.1 second, be singly step on reaction time of brake pedal also can be 0.13 second slow.Although being only slightly small gap, this is 0.1 second
Perhaps it is exactly to determine life and death in a flash, there is very big security risk to traffic safety.
It is shown according to the investigation that Britain automobile insurance company Sheilas'Wheels is done recently: having more than 33% in Britain
Driver once wore slippers and drove, wherein have 1/10th people all once occurred driving on the way, slippers are stuck in the feelings under pedal
Condition, each annual cause traffic accident or side swipe about 1,400,000.In developing countries such as China, wears slippers and drive vehicle
Situation is then more universal, and the annual therefore traffic accident huge amount of generation is brought huge to the safety of life and property of the people
Big loss.As it can be seen that it is necessary to the behavior for wearing slippers driving vehicle for driver is detected and is reminded automatically prevention.
For this purpose, clear stipulaties in China " regulation of road traffic control ": automobile driver is not allowed to wear slippers driving vehicle,
Offender, which fines to driver, while remembering 2 points of punishment by 20-200 yuan.Driver is constrained by making laws wears slippers driving
The behavior of vehicle.However, there are the relatively common lucky hearts since the awareness of safety of China major part driver is also weaker
Reason, the behavior for wearing slippers driving vehicle remain incessant after repeated prohibition, and are a big threats of traffic safety.Therefore, real by engineering technology means
Slippers are now worn to drive the automatic detection of this behavior of vehicle and remind prevention that there is good researching value and realistic meaning.
By retrieval, CN201210064235.8 discloses a kind of " driver's shoes detection system and controlling party
Method ", the patent can detecte the height heels of driver's shoes, the inspection driven so as to prevent driver from wearing high heels
Examining system and control method.Its scheme used is the detector that height heels can be detected by being arranged, and judges to drive with this
Whether member, which wears high-heeled shoes, is driven.But in such a way that detector is detected, it can not be useful on slippers, because
Whether can detecte out for few detectors or sensor is slippers.Therefore the detection for needing to propose to can be adapted for slippers
Method.
However, investigation discovery: current automobile or automobile parts manufacturer both at home and abroad wear the behavior of slippers in specification driver
Aspect there are technology and applies blank all without proposing corresponding solution and technological invention.It is proposed for this purpose, the present invention is quasi-
A solution.
Summary of the invention
Technical problem to be solved by the present invention lies in provide one kind to detect whether driver wears slippers driving automatically
The detection method and detection system of vehicle.
In order to solve the above technical problems, the technical solution of the invention is as follows:
A kind of detection method worn slippers and drive vehicle, it is attached by onboard image collection module photograph driver's cabin pedal position
Close image separates foot's image information of driver's left foot or right crus of diaphragm, extracts the visual skin area of driver foot, calculates
The various characteristic parameters of the visual skin area of foot image or foot judge whether driver wears based on these characteristic parameter information
Slippers drive vehicle.
Preferably, the characteristic parameter is number, each regional barycenter and the area of visual skin connected region；And set can
The sum of skin connected region is regarded as N；Foot's foreground image area is S (0)；The size of each visual skin connected region is
S (i), wherein i=1 ... N；The center of gravity O (i) of each visual skin connected region, wherein i=1 ... N；Specific judgment method packet
Include following steps:
As N=0, judge that the case where wearing slippers is not present in driver；
As N=1, ratio k=S of visual the skin area area S (1) and foot's foreground image area S (0) is calculated
(1)/S (0) is compared according to k with pre-set area ratio threshold parameter α: if k >=α, judging that current driver's exist
The case where wearing slippers；If k < α, judge that there is currently no wear the case where slippers drive；
When N is greater than 1, is searched according to the center of gravity O (i) of each visual skin connected region and be located at right crus of diaphragm foreground image most lower-left
Side visual skin connected region t, and calculate the visual skin connected region area S (t) and all visual skin connected regions
The ratio of the area summation in domainIt is compared according to p with pre-set area ratio threshold parameter β: if p
>=β judges that current driver's have the case where wearing slippers；If p < β, judge that there is currently no the feelings for wearing slippers driving vehicle
Condition.
A kind of detection system worn slippers and drive vehicle, comprising:
System switching, for opening or closing system；
Power module, for being system and each module for power supply；
Image capture module includes at least camera, the fixed peace of the camera for shooting the image of driver foot
Loaded on the downside for controlling trim panel in vehicle cab, it is located at pedal left side, surface or right side；
Image pre-processor receives the video image from image capture module, and carries out noise reduction and histogram to image
Equalization processing；
Right crus of diaphragm image splitter receives image pre-processor treated image, and carries out background and prospect lock out operation,
Extract the right crus of diaphragm foreground image of driver；
Visual skin detectors receive driver's right crus of diaphragm image from right crus of diaphragm image splitter, delete non-visual skin
Skin image information retains visual skin image；
Parametric solution parser carries out processing calculating to visual skin image, extracts the outer contour of all visual skins, accordingly
Characteristic parameter information needed for calculating；
Driver wears slippers detector, judges whether driver deposits using all kinds of characteristic parameters that parametric solution parser obtains
Wearing the case where slippers drive vehicle；
Reminiscences is reminded when driver, which wears slippers detector, judges that driver has the case where wearing slippers driving vehicle
Device, which is automatically reminded to driver, not wear slippers driving vehicle.
It preferably, further comprise parameter setting module, for the running parameter of system to be arranged.
It preferably, further comprise communication module, for realizing the information exchange of this system and other in-vehicle electronic systems
And application.
The above-mentioned detection method worn slippers and drive the detection system of vehicle, includes the following steps:
The first step, when vehicle unlock when, image capture module i.e. open work, real-time collection and continual collection vehicle accelerator pedal and
The image of brake pedal near zone extracts the pedal background image under non-driver state；
Second step acquires present image when driver, which gets on the bus, to take a seat, and the image currently acquired and the first step are acquired
Background image carries out difference, to extract foreground image, i.e. the right crus of diaphragm image information of driver, and calculates right crus of diaphragm foreground image
Area S (0)；
Third step extracts the visual skin area of right crus of diaphragm foreground image；
4th step extracts the outer contour of the visual skin area of right crus of diaphragm；
5th step calculates the total N of visual skin connected region and each according to the visual skin outer contour of all separation
The center of gravity O (i) in the region and size S (i) in each region, wherein i=1 ... N；
6th step judges according to following rule:
When N is equal to 0, judge that the case where wearing slippers is not present in driver；
When N is equal to 1, ratio k=S of visual skin area area S (1) and right crus of diaphragm foreground image gross area S (0) is calculated
(1)/S (0) is compared according to k with pre-set area ratio threshold parameter α: if k >=α, judging that current driver's exist
The case where wearing slippers；If k < α, judge that there is currently no wear the case where slippers drive；
It when N is greater than 1, is retrieved according to the center of gravity O (i) of each visual skin connected region, searches and be located at right crus of diaphragm prospect
The visual skin connected region t of image most lower left, and calculate the area S (t) of the visual skin connected region and all visual
The ratio of the area summation of skin connected regionIt is carried out according to p and pre-set area ratio threshold parameter β
Compare: if p >=β, judging the case where current driver's are in the presence of when wearing slippers or wearing sandals but non-pull-up heel frenulum；Such as
Fruit p < β judges that there is currently no wear the case where slippers drive vehicle；
7th step wears slippers or wears the feelings that sandals but non-pull-up heel frenulum drive vehicle when judging that driver exists
When condition, which is sent to reminiscences and is reminded, so far testing process terminates.
Preferably, area ratio the threshold parameter α and β are configured by parameter setting module.
Preferably, α=0.33, β=0.5.
Preferably, further pass through communication module to vehicle control device or traffic management department after the 7th step judgement
Test result signal is issued to apply for reference.
After adopting the above scheme, since the present invention is based near Vehicular video acquisition system shooting driver's cabin pedal position
Image, separates driver's right crus of diaphragm image information, and the visual skin area of extracted in self-adaptive driver foot calculates visual skin and connects
The characteristic parameters such as number, emphasis and the area in logical region provide a kind of driver based on these characteristic parameter information and wear slippers and drive
The automatic testing method of vehicle is sailed, and gives necessary mention when detection determines that driver exists to wear when slippers drive the behavior of vehicle
It wakes up or interference, reduction driver wears the incidence that slippers drive this kind of illegal activities of vehicle, reduce street accidents risks, improve
Travel safety.
The principle of the invention and system structure are simple, detection method accuracy rate with higher, good adaptive learning energy
Power and anti-interference ability, and real-time height is detected, it can satisfy and wear the real-time detection that slippers drive this unsafe acts of vehicle
With early warning requirement.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of detection system of the present invention；
Fig. 2 is image near pedal that detection system of the present invention is acquired when driver takes a seat；
Fig. 3 is driver's right crus of diaphragm foreground image from image zooming-out shown in Fig. 2；
Fig. 4 is the visual skin image of driver's right crus of diaphragm from image zooming-out shown in Fig. 3；
Fig. 5 is the visual skin outer contour of driver's right crus of diaphragm of image zooming-out according to Fig.4,；
Fig. 6 is visual skin area large percentage (k >=α), judges there is the example image for wearing slippers situation；
Fig. 7 is that visual skin area ratio is smaller (k < α), and there is no the example images for wearing slippers situation for judgement；
Fig. 8 is that the visual skin connected region area ratio in most lower left is larger (p >=β), judges to exist and wears slippers situation
Example image；
Fig. 9 is that the visual skin connected region area ratio in most lower left is larger (p >=β), judges to exist and wears sandals but do not draw
Play the example image of heel frenulum situation；
Figure 10 is that the visual skin connected region area ratio in most lower left is smaller (p < β), judges to exist and wears sandals and just
The example image of true pull-up heel frenulum situation.
Specific embodiment
The invention will be further described in the following with reference to the drawings and specific embodiments.
Disclosed is a kind of detection methods worn slippers and drive vehicle, pass through onboard image collection module photograph
Image near driver's cabin pedal position separates foot's image information of driver's left foot or right crus of diaphragm, extracts driver foot
Visual skin area calculates the various characteristic parameters of foot's image or the visual skin area of foot, is based on these characteristic parameters
Information judges whether driver wears slippers and drive vehicle.And it is further, slippers driving vehicle is worn when detection determines that driver exists
Behavior when, give necessary prompting or interference.
According to the actual situation, different characteristic parameters, and the single or group based on these characteristic parameters can be used
Closing, which can carry out determining that using different judgment methods, driver whether there is, wears slippers situation.
The present invention is specifically, the characteristic parameter can use the number of visual skin connected region, each regional barycenter
With area etc., area includes foot's foreground image area and each visual skin connected region area etc..
Specific judgment method are as follows:
If: the sum of visual skin connected region is N；Foot's foreground image area is S (0)；Each visual skin connected region
The size in domain is S (i), wherein i=1 ... N；The center of gravity O (i) of each visual skin connected region, wherein i=1 ... N；
(1) as N=0, judge that the case where wearing slippers is not present in driver；
(2) as N=1, further judge: calculating the visual skin area area S (1) and foot's foreground image area S
(0) ratio k=S (1)/S (0) is compared according to k with pre-set area ratio threshold parameter α: if k >=α, explanation
The area accounting of visual skin area is excessive, judges that current driver's have the case where wearing slippers；If k < α, illustrate visual skin
The area accounting in skin region is relatively fewer, belongs to the common situations of exposed ankle when wearing shoes, judges that there is currently no wear to drag
The case where shoes drive；
(3) when N is greater than 1, further judge: being searched according to the center of gravity O (i) of each visual skin connected region and be located at right crus of diaphragm
The visual skin connected region t of foreground image most lower left, and calculate the area S (t) of the visual skin connected region and own
The ratio of the area summation of visual skin connected regionAccording to p and pre-set area ratio threshold parameter
β is compared: if p >=β, being illustrated that the area accounting of the visual skin area of most lower left is excessive, is judged that current driver's are deposited
The case where wearing slippers；If p < β, illustrate that the area accounting of the visual skin area of most lower left is relatively small, belong to wear it is cool
Common situations when shoes and correct pull-up heel frenulum judge that there is currently no wear the case where slippers drive vehicle.
It is of course also possible to use other characteristic parameters and judgment method.
Present invention further teaches a kind of detection system worn slippers and drive vehicle, main composition such as Fig. 1 of the detection system
It is shown comprising:
System switching, for opening or closing system, it is therefore preferable to which normally closed type switch, i.e., system is silent after vehicle power supply starting
Recognize work.
Power module, for being system and each module for power supply, it is therefore preferable to Vehicular accumulator cell.
Image capture module, for shooting the image of driver's right crus of diaphragm comprising camera, light source and the fixed dress of installation
It sets, camera and light source are fixedly installed in the downside that trim panel is controlled in vehicle cab by fixing device for installing, it is desirable that can
Clearly take driver's right crus of diaphragm.The image capture module may be mounted at the left side positioned at driver's right crus of diaphragm, surface and
The orientation such as right side respectively correspond the left side high angle shot, positive high angle shot and right side high angle shot of driver's right crus of diaphragm, are preferably chosen the side of right bat
Case, i.e. camera are preferably installed on driver's right crus of diaphragm right positions.
Image pre-processor receives the video image from image capture module, and carries out noise reduction and histogram to image
Equalization processing.
Right crus of diaphragm image splitter receives image pre-processor treated image, and carries out background and prospect lock out operation,
Extract the right crus of diaphragm foreground image of driver.
Visual skin detectors receive driver's right crus of diaphragm image from right crus of diaphragm image splitter, delete non-visual skin
Skin image information retains visual skin image.
Parametric solution parser carries out processing calculating to visual skin image, extracts the outer contour of all visual skins, accordingly
Calculate the characteristic parameters information such as number, center of gravity and the area of visual skin connected region.
Driver wears slippers detector, judges whether driver deposits using all kinds of characteristic parameters that parametric solution parser obtains
Wearing the case where slippers drive vehicle.
Reminiscences is reminded when driver, which wears slippers detector, judges that driver has the case where wearing slippers driving vehicle
Device, which is automatically reminded to driver, not wear slippers driving vehicle.
The detection system can further include:
Parameter setting module, for the running parameter of system to be arranged.
Communication module, for realizing the information exchange and application of this system and other in-vehicle electronic systems.Such as work as driving
Member wear slippers detector judge driver exist wear slippers driving vehicle the case where when, pass through the starting system of communication module and automobile
System is associated, whether starting to control vehicle.
The detection method of the detection system are as follows:
The first step, when vehicle unlock when, image capture module i.e. open work, real-time collection and continual collection vehicle accelerator pedal and
The image of brake pedal near zone extracts the pedal background image under non-driver state.
Second step acquires present image when driver, which gets on the bus, to take a seat, by the image currently acquired (as shown in Figure 2) and
The background image of first step acquisition carries out difference, to extract foreground image, i.e. the right crus of diaphragm image information of driver, such as Fig. 3 institute
Show.Calculate the area S (0) of right crus of diaphragm foreground image.
Third step extracts the visual skin area of right crus of diaphragm foreground image, as shown in Figure 4.
4th step extracts the outer contour of the visual skin area of right crus of diaphragm, as shown in Figure 5.
5th step calculates the total N of visual skin connected region and each according to the visual skin outer contour of all separation
The center of gravity O (i) in the region and size S (i) in each region, wherein i=1 ... N.
6th step judges according to following rule:
(1) when N is equal to 0, judge that the case where wearing slippers is not present in driver.
(2) when N is equal to 1, the ratio k of visual skin area area S (1) and right crus of diaphragm foreground image gross area S (0) is calculated
=S (1)/S (0).It is compared according to k with pre-set area ratio threshold parameter α: if k >=α, illustrating visual skin region
The area accounting in domain is excessive, judges that current driver's have the case where wearing slippers, example is as shown in Figure 6；If k < α, explanation can
Area accounting depending on skin area is relatively fewer, belongs to the common situations of exposed ankle when wearing shoes, judge there is currently no
The case where slippers drive is worn, example is as shown in Figure 7.
(3) it when N is greater than 1, is retrieved, is searched before being located at right crus of diaphragm according to the center of gravity O (i) of each visual skin connected region
The visual skin connected region t (shadow region into Figure 10 Fig. 8) of scape image most lower left, and further calculate the visual skin
The ratio of the area summation of the area S (t) of connected region and all visual skin connected regionsAccording to p with
Pre-set area ratio threshold parameter β is compared: if p >=β, illustrating that the area of the visual skin area of most lower left accounts for
Than excessive, the case where judgement when current driver's presence wears slippers or wears sandals but non-pull-up heel frenulum, respectively such as Fig. 8
Shown in 10；If p < β, illustrate that the area accounting of the visual skin area of most lower left is relatively small, belongs to and wear sandals and
Common situations when correct pull-up heel frenulum, judges there is currently no slippers driving vehicle is worn, such as Figure 10 institute
Show.
Area ratio the threshold parameter α and β can be adjusted according to circumstances, i.e., be configured by parameter setting module.Root
According to existing experience, it is preferable that preset α=0.33, β=0.5.
7th step wears slippers or wears the feelings that sandals but non-pull-up heel frenulum drive vehicle when judging that driver exists
When condition, which is sent to reminiscences, voice etc. is issued and reminds, at the same time can also further by communication module to
Vehicle control device or traffic management department issue test result signal and apply for reference.So far, testing process terminates.
It is upper described, it is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention, therefore
In every case the changes or modifications that claim under this invention and specification are done, all should belong to range that the invention patent covers it
It is interior.
Claims (9)
1. a kind of detection method worn slippers and drive vehicle, it is characterised in that: pass through onboard image collection module photograph driver's cabin
Image near pedal position separates foot's image information of driver's left foot or right crus of diaphragm, extracts the visual skin of driver foot
Skin region calculates the various characteristic parameters of foot image or the visual skin area of foot, is judged based on these characteristic parameter information
Whether driver wears slippers and drives vehicle.
2. the detection method according to claim 1 worn slippers and drive vehicle, it is characterised in that: the characteristic parameter is
Number, each regional barycenter and the area of visual skin connected region；And the sum of visual skin connected region is set as N；Before foot
Scape image area is S (0)；The size of each visual skin connected region is S (i), wherein i=1 ... N；Each visual skin connects
Lead to the center of gravity O (i) in region, wherein i=1 ... N；Specific judgment method includes the following steps:
(1) as N=0, judge that the case where wearing slippers is not present in driver；
(2) as N=1, ratio k=S of visual the skin area area S (1) and foot's foreground image area S (0) is calculated
(1)/S (0) is compared according to k with pre-set area ratio threshold parameter α: if k >=α, judging that current driver's exist
The case where wearing slippers；If k < α, judge that there is currently no wear the case where slippers drive；
(3) it when N is greater than 1, is searched according to the center of gravity O (i) of each visual skin connected region and is located at right crus of diaphragm foreground image most lower-left
Side visual skin connected region t, and calculate the visual skin connected region area S (t) and all visual skin connected regions
The ratio of the area summation in domainIt is compared according to p with pre-set area ratio threshold parameter β: if p
>=β judges that current driver's have the case where wearing slippers；If p < β, judge that there is currently no the feelings for wearing slippers driving vehicle
Condition.
3. a kind of detection system worn slippers and drive vehicle, it is characterised in that the system includes:
System switching, for opening or closing system；
Power module, for being system and each module for power supply；
Image capture module includes at least camera, which is fixedly installed in for shooting the image of driver foot
The downside that trim panel is controlled in vehicle cab is located at pedal left side, surface or right side；
Image pre-processor receives the video image from image capture module, and carries out noise reduction and histogram equalization to image
Change processing；
Right crus of diaphragm image splitter receives image pre-processor treated image, and carries out background and prospect lock out operation, extracts
The right crus of diaphragm foreground image of driver out；
Visual skin detectors receive driver's right crus of diaphragm image from right crus of diaphragm image splitter, delete non-visual skin figure
As information, retain visual skin image；
Parametric solution parser carries out processing calculating to visual skin image, extracts the outer contour of all visual skins, calculate accordingly
Required characteristic parameter information；
Driver wears slippers detector, judges that driver whether there is using all kinds of characteristic parameters that parametric solution parser obtains and wears
Slippers drive the case where vehicle；
Reminiscences, when driver, which wears slippers detector, judges that driver has the case where wearing slippers driving vehicle, reminiscences is certainly
It is dynamic that driver is reminded not wear slippers driving vehicle.
4. the detection system according to claim 3 worn slippers and drive vehicle, it is characterised in that: further comprise that parameter is set
Module is set, for the running parameter of system to be arranged.
5. the detection system according to claim 3 worn slippers and drive vehicle, it is characterised in that: further comprise communication mould
Block, for realizing the information exchange and application of this system and other in-vehicle electronic systems.
6. according to any detection method worn slippers and drive the detection system of vehicle of claim 3-5, it is characterised in that packet
Include following steps:
The first step, when vehicle unlock, image capture module opens work, real-time collection and continual collection vehicle accelerator pedal and braking
The image of pedal near zone extracts the pedal background image under non-driver state；
Second step acquires present image when driver, which gets on the bus, to take a seat, by the background of the image currently acquired and first step acquisition
Image carries out difference, to extract foreground image, i.e. the right crus of diaphragm image information of driver, and calculates the area of right crus of diaphragm foreground image
S(0)；
Third step extracts the visual skin area of right crus of diaphragm foreground image；
4th step extracts the outer contour of the visual skin area of right crus of diaphragm；
5th step, according to the visual skin outer contour of all separation calculate visual skin connected region total N and each region
Center of gravity O (i) and each region size S (i), wherein i=1 ... N；
6th step judges according to following rule:
(1) when N is equal to 0, judge that the case where wearing slippers is not present in driver；
(2) when N is equal to 1, ratio k=S of visual skin area area S (1) and right crus of diaphragm foreground image gross area S (0) is calculated
(1)/S (0) is compared according to k with pre-set area ratio threshold parameter α: if k >=α, judging that current driver's exist
The case where wearing slippers；If k < α, judge that there is currently no wear the case where slippers drive；
(3) it when N is greater than 1, is retrieved according to the center of gravity O (i) of each visual skin connected region, searches and be located at right crus of diaphragm foreground picture
As the visual skin connected region t of most lower left, and calculate the area S (t) and all visual skins of the visual skin connected region
The ratio of the area summation of skin connected regionCompared according to p and pre-set area ratio threshold parameter β
Compared with: if p >=β, judge the case where current driver's are in the presence of when wearing slippers or wearing sandals but non-pull-up heel frenulum；If
P < β judges that there is currently no wear the case where slippers drive vehicle；
7th step wears slippers or wears the case where sandals but non-pull-up heel frenulum drive vehicle when judging that driver exists
When, which is sent to reminiscences and is reminded, so far testing process terminates.
7. wearing the detection method that slippers drive the detection system of vehicle according to claim 6, it is characterised in that: the face
Product is configured than threshold parameter α and β by parameter setting module.
8. wearing the detection method that slippers drive the detection system of vehicle described according to claim 6 or 7, it is characterised in that: the α
=0.33, β=0.5.
9. wearing the detection method that slippers drive the detection system of vehicle according to claim 6, it is characterised in that: the described 7th
Test result signal is further issued for reference to vehicle control device or traffic management department by communication module after step judgement
Using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215911.0A CN109278555B (en) | 2018-10-18 | 2018-10-18 | Detection method and detection system for driving vehicle by wearing slippers |
Applications Claiming Priority (1)
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| CN110329068A (en) * | 2019-08-08 | 2019-10-15 | 南京信息职业技术学院 | A kind of device for driving of forbidding wearing high heels |
| CN112356840A (en) * | 2020-11-19 | 2021-02-12 | 奇瑞商用车（安徽）有限公司 | Safety identification system and method for standardizing driving behaviors |
| CN113212273A (en) * | 2021-05-18 | 2021-08-06 | 中国第一汽车股份有限公司 | Vehicle control method, device, equipment and storage medium |
| CN113954847A (en) * | 2020-07-20 | 2022-01-21 | 宝能汽车集团有限公司 | Method and device for detecting driver shoes, vehicle and storage medium |
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| CN113954847A (en) * | 2020-07-20 | 2022-01-21 | 宝能汽车集团有限公司 | Method and device for detecting driver shoes, vehicle and storage medium |
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| CN109278555B (en) | 2020-04-21 |
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