CN106157386A - Vehicular video filming control method and device - Google Patents
Vehicular video filming control method and device Download PDFInfo
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- CN106157386A CN106157386A CN201510197770.4A CN201510197770A CN106157386A CN 106157386 A CN106157386 A CN 106157386A CN 201510197770 A CN201510197770 A CN 201510197770A CN 106157386 A CN106157386 A CN 106157386A
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Abstract
The invention discloses a kind of Vehicular video filming control method and device, relate to on-vehicle information field.Method therein includes: collection vehicle steering angle；The anglec of rotation of vehicle mounted imaging apparatus is determined according to vehicle steering angle；Control vehicle mounted imaging apparatus according to the anglec of rotation to turn to, so that the coverage of vehicle mounted imaging apparatus covers vehicle side road in the rear.Vehicle mounted imaging apparatus is carried out rotating according to vehicle steering angle and adjusts by the present invention, and accident when making image pickup scope preferably cover motor turning or lane change easily sends out region, thus for turning or collision from vehicle side rear is defined responsibility and provided video evidence during lane change.
Description
Technical field
The present invention relates to on-vehicle information field, particularly to a kind of Vehicular video filming control method
And device.
Background technology
Tachographs is the important perception terminal of the intelligent transportation with Internet of Things as framework, newly
Increase the popularity rate proportion in passenger car increasing, during the market demand is also at quickly increasing.
The photographic head of Tachographs can shoot video when driving, can be traffic thing
Therefore confirmation of responsibility provide video evidence.But, photographic head typically has certain image pickup scope,
The region exceeding image pickup scope is referred to as shooting blind area, such as when turn inside diameter or lane change at vehicle
Rear flank side there is shooting blind area, current Tachographs be difficult for turning or during lane change from
The collision at vehicle side rear is defined responsibility and is provided video evidence.
Summary of the invention
One to be solved of the embodiment of the present invention technical problem is that: owing to vehicle-mounted camera exists
Shooting blind area, current Tachographs is difficult for turning or during lane change from vehicle side rear
Collision is defined responsibility and is provided video evidence.
One aspect of the present invention provides a kind of Vehicular video filming control method, including: adopt
Collection vehicle steering angle；The anglec of rotation of vehicle mounted imaging apparatus is determined according to vehicle steering angle；
Control vehicle mounted imaging apparatus according to the anglec of rotation to turn to, so that the coverage of vehicle mounted imaging apparatus
Cover vehicle side road in the rear.
In one embodiment, Vehicular video filming control method also includes: judge Vehicular turn
Whether angle reaches the threshold value set, if vehicle steering angle reaches the threshold value set, then performs
Determine the step of the anglec of rotation of vehicle mounted imaging apparatus.
In one embodiment, Vehicular video filming control method also includes: according to Vehicular turn
At least one information in angle and turn signal judges the steering state of vehicle, if judging vehicle
Turn to, then perform to determine the step of the anglec of rotation of vehicle mounted imaging apparatus.
In one embodiment, the anglec of rotation of vehicle mounted imaging apparatus is determined according to vehicle steering angle
Degree includes: according to vehicle steering angle, the image pickup scope of vehicle mounted imaging apparatus and shooting blind area
Angle determines the anglec of rotation of vehicle mounted imaging apparatus.
In one embodiment, the anglec of rotation of vehicle mounted imaging apparatus is determined according to vehicle steering angle
Degree includes: calculate the anglec of rotation of vehicle mounted imaging apparatus according to formula Z=180-X-W/2-Y；
Wherein, Z represents the anglec of rotation of vehicle mounted imaging apparatus, and X represents vehicle steering angle, W table
Showing the image pickup scope of vehicle mounted imaging apparatus, Y represents shooting blind area angle.
In one embodiment, Vehicular video filming control method also includes: the speed of collection vehicle
Degree and/or acceleration；The video signal of travelling data with vehicle mounted imaging apparatus is synthesized,
To store or showing, travelling data includes the speed of vehicle, acceleration, Vehicular turn
Angle.
Another aspect of the invention provides a kind of Vehicular video imaging control device, including:
Travelling data acquisition module, for collection vehicle steering angle；Data processing module, for root
The anglec of rotation of vehicle mounted imaging apparatus is determined according to vehicle steering angle；Shooting control module, is used for
Control vehicle mounted imaging apparatus according to the anglec of rotation to turn to, so that the coverage of vehicle mounted imaging apparatus
Cover vehicle side road in the rear.
In one embodiment, Vehicular video imaging control device also includes: judge module, uses
In judging whether vehicle steering angle reaches the threshold value set, if vehicle steering angle reaches to set
Threshold value, be further continued for perform data processing module operation；Or, for according to Vehicular turn
At least one information in angle and turn signal judges the steering state of vehicle, if judging vehicle
Turn to, be further continued for performing the operation of data processing module.
In one embodiment, data processing module, specifically for: according to vehicle steering angle,
The image pickup scope of vehicle mounted imaging apparatus and shooting blind area angle determine the rotation of vehicle mounted imaging apparatus
Gyration.
In one embodiment, data processing module, specifically for: according to formula Z=
180-X-W/2-Y calculates the anglec of rotation of vehicle mounted imaging apparatus；Wherein, Z represents vehicle-mounted pick-up
The anglec of rotation of device, X represents that vehicle steering angle, W represent taking the photograph of vehicle mounted imaging apparatus
As scope, Y represents shooting blind area angle.
In one embodiment, travelling data acquisition module, be additionally operable to collection vehicle speed and
/ or acceleration；Vehicular video imaging control device also includes: Video Composition module, and being used for will
Travelling data synthesizes with the video signal of vehicle mounted imaging apparatus, and travelling data includes vehicle
Speed, acceleration, vehicle steering angle.
In one embodiment, Vehicular video imaging control device also includes: memory module and/
Or display module；Memory module, for storing the video letter of the synthesis of Video Composition module output
Number；Display module, for showing the video signal of synthesis that Video Composition module exports.
The invention have the advantages that
On the one hand, carry out rotating adjustment to vehicle mounted imaging apparatus according to vehicle steering angle, make to take the photograph
Accident when preferably covering motor turning or lane change as scope easily sends out region, thus for turning or
During lane change, responsibility offer video evidence is defined in the collision from vehicle side rear.
Another further aspect, by travelling data and drivings such as the speed of vehicle, acceleration, steering angles
Video synthesizes in real time, and the video of synthesis is provided that and becomes apparent from tangible proof, conveniently defines thing
Therefore responsibility.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, the present invention
Further feature and advantage will be made apparent from.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it is clear that
Ground, the accompanying drawing in describing below is only some embodiments of the present invention, skill common for this area
From the point of view of art personnel, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the flow chart of an embodiment of the Vehicular video filming control method of the present invention.
Fig. 2 is the flow chart of the further embodiment of the Vehicular video filming control method of the present invention.
Fig. 3 is the flow chart of another embodiment of the Vehicular video filming control method of the present invention.
Fig. 4 is the application schematic diagram that vehicle-mounted camera shooting angle of the present invention adjusts.
Fig. 5 is the structural representation of one embodiment of Vehicular video imaging control device of the present invention.
Fig. 6 is the structural representation of the Vehicular video imaging control device another embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention
It is clearly and completely described.
Fig. 1 is the flow chart of an embodiment of the Vehicular video filming control method of the present invention.
As it is shown in figure 1, the Vehicular video filming control method of the present embodiment comprises the following steps:
S102, collection vehicle steering angle.This vehicle steering angle can be such as with a certain car
Angle on the basis of diatom, between the travel direction of vehicle and this lane line.Vehicle steering angle
Gatherer process can carry out Real-time Collection in vehicle travel process, such as, vehicle detected
I.e. start after traveling to gather, then according to the acquisition interval preset or the continuous collecting vehicle of frequency acquisition
Steering angle.Collection vehicle steering angle can with utilization orientation sensor or gyroscope angularly
Sensor realizes.
S104, determines the anglec of rotation of vehicle mounted imaging apparatus according to vehicle steering angle.Wherein,
The anglec of rotation of vehicle mounted imaging apparatus is with vehicle as object of reference, and vehicle mounted imaging apparatus is relative to car
Rotate angle.For example, it is possible to the angle that vehicle mounted imaging apparatus is rotated relative to headstock direction
Spend the anglec of rotation as vehicle mounted imaging apparatus.
S106, controls vehicle mounted imaging apparatus according to the anglec of rotation and turns to, so that vehicle mounted imaging apparatus
Coverage cover vehicle side road in the rear.Wherein, vehicle mounted imaging apparatus can be such as can
The photographic head rotated.
Vehicle mounted imaging apparatus is carried out rotating adjustment by said method according to vehicle steering angle, makes to take the photograph
Accident when preferably covering motor turning or lane change as scope easily sends out region, thus for turning or
During lane change, responsibility offer video evidence is defined in the collision from vehicle side rear.
Driver is when reality drives vehicle, it is difficult to ensure that vehicle is along a direction straight ahead,
Generally travel direction all can have slightly change.In order to reduce some unnecessary control vehicle-mounted pick-ups
The operation that device turns to, or in order to avoid controlling the operation excessively frequency that vehicle mounted imaging apparatus turns to
Numerous, after step s 102, it is also possible to perform step S203.With reference to shown in Fig. 2, this reality
The Vehicular video filming control method executing example comprises the following steps:
S102, collection vehicle steering angle
S203, it is judged that whether vehicle steering angle reaches the threshold value set, if vehicle steering angle
Reach the threshold value set, illustrate that direction of traffic is relative to the lane line generation larger amplitude as benchmark
The change of degree, now can perform step S104 again and determine the anglec of rotation of vehicle mounted imaging apparatus,
Otherwise, if vehicle steering angle is not reaching to the threshold value set, illustrate that direction of traffic only occurs little
The change of width, is not the most controlled the process that vehicle mounted imaging apparatus turns to, and continues collection vehicle and turns
To angle.
Wherein, this threshold value can preset, such as can be according to the shooting of vehicle mounted imaging apparatus
The factors such as the driving habits of scope and human pilot determine.Such as, this threshold value can be set as
90-W/2, wherein, W represents the image pickup scope of vehicle mounted imaging apparatus.
S104, determines the anglec of rotation of vehicle mounted imaging apparatus according to vehicle steering angle.
S106, controls vehicle mounted imaging apparatus according to the anglec of rotation and turns to, so that vehicle mounted imaging apparatus
Coverage cover vehicle side road in the rear.
Driver may make vehicle heading that change by a relatively large margin occurs due to maloperation, but
Driver is not required to turn or lane change in fact, and now generally driver can correct rapidly and make vehicle
Still advance by original travel direction.In such cases also without controlling vehicle mounted imaging apparatus
Turn to.In order to the unnecessary control that due to reasons such as driver maloperations causes is reduced or avoided
The operation that vehicle mounted imaging apparatus turns to, after step s 102, it is also possible to perform step S303.
With reference to shown in Fig. 3, the Vehicular video filming control method of the present embodiment comprises the following steps:
S102, collection vehicle steering angle.
S303, it is judged that the steering state of vehicle, i.e. judges whether vehicle turns to, if judging car
To turn to, now can perform step S104 again and determine the anglec of rotation of vehicle mounted imaging apparatus,
Otherwise, if judging, vehicle does not turns to, and is not the most controlled the process that vehicle mounted imaging apparatus turns to,
Continue collection vehicle steering angle.
A kind of exemplary method, can according in vehicle steering angle and turn signal at least
One information judges the steering state of vehicle.Such as, if the travel direction generation larger amplitude of vehicle
The change of degree, exceedes the threshold value of a certain setting, then it is believed that vehicle to turn to, otherwise judges
Vehicle does not turns to；Or, if detecting, turn signal lamp is opened by driver, it is believed that car
To turn to, otherwise judge that vehicle does not turns to；More accurate in order to make the steering state of vehicle judge
Really, vehicle steering angle and turn signal can be combined judgement, if than the row of vehicle
Sail direction and change by a relatively large margin occur, and detect that turn signal lamp is opened by driver,
It is believed that vehicle to turn to, otherwise judge that vehicle does not turns to.
S104, determines the anglec of rotation of vehicle mounted imaging apparatus according to vehicle steering angle.
S106, controls vehicle mounted imaging apparatus according to the anglec of rotation and turns to, so that vehicle mounted imaging apparatus
Coverage cover vehicle side road in the rear.
In step S104, a kind of exemplary method, according to vehicle steering angle, vehicle-mounted take the photograph
As the image pickup scope of device and shooting blind area angle determine the anglec of rotation of vehicle mounted imaging apparatus.
Concrete, the anglec of rotation of vehicle mounted imaging apparatus can be calculated according to formula Z=180-X-W/2-Y
Degree.Wherein, Z represents the anglec of rotation of vehicle mounted imaging apparatus, and X represents vehicle steering angle,
W represents the image pickup scope of vehicle mounted imaging apparatus, and Y represents shooting blind area angle.
It is lane line with reference to Fig. 4, straight line CD, it is assumed that photographic head can coverage be W=
∠ AOB, this angle is also the photographic head coverage at initial position, and vehicle steering angle is
X, X=∠ COC ', if the threshold value triggering the rotation of photographic head angle is X ', such as, is arranged X '
For 90-W/2, shooting blind area angle Y=∠ DOB ", the anglec of rotation of photographic head is adjusted to Z=
∠ C ' OC "=180-X-W/2-Y, during Vehicular turn, along with vehicle steering angle X
Increase, Z reduces accordingly, when Z is reduced to 0 or when X reaches 90 degree, photographic head adjust
Return initial position；During vehicle lane change, when X is gradually reduced zero, photographic head adjusts
Return initial position.
Clear and definite video evidence is become apparent from, in the reality that Fig. 1, Fig. 2, Fig. 3 are corresponding in order to provide
Execute in the Vehicular video filming control method of example, it is also possible to the speed of collection vehicle and/or acceleration
Deng travelling data, this gatherer process can be carried out with collection vehicle steering angle simultaneously.Then,
Can be by travelling datas such as the speed of vehicle gathered, acceleration, vehicle steering angles with vehicle-mounted
The video signal of camera head synthesizes so that these travelling datas can simultaneous display at video
On picture such that it is able to provide and become apparent from tangible proof, conveniently define accident responsibility.
A kind of illustrative methods of above-mentioned synthesis, the time that can travel according to vehicle, will arbitrarily
Travelling data and the same a period of time such as the speed of vehicle of moment collection, acceleration, vehicle steering angle
The video signal carving vehicle mounted imaging apparatus shooting is superimposed together so that these travelling datas can be same
Step display is on video pictures.After synthesis will synthesis after video can export memory module
Store, it is also possible to be input to display module and show.
Fig. 5 is the structural representation of one embodiment of Vehicular video imaging control device of the present invention.
As it is shown in figure 5, the Vehicular video imaging control device of the present embodiment includes:
Travelling data acquisition module 502, for collection vehicle steering angle；
Data processing module 504, for determining vehicle mounted imaging apparatus according to vehicle steering angle
The anglec of rotation；
Shooting control module 506, turns to for controlling vehicle mounted imaging apparatus according to the anglec of rotation,
So that the coverage of vehicle mounted imaging apparatus covers vehicle side road in the rear.
Fig. 6 is the structural representation of the Vehicular video imaging control device further embodiment of the present invention
Figure.
As shown in Figure 6, this device also includes: judge module 603, is used for judging Vehicular turn
Whether angle reaches the threshold value set, if vehicle steering angle reaches the threshold value set, is further continued for
Perform the operation of data processing module 504；Or, it is used for according to vehicle steering angle and turns to
At least one information in signal judges the steering state of vehicle, if judging, vehicle to turn to, then
Continue executing with the operation of data processing module 504.
A kind of exemplary mode, data processing module 504 specifically for: according to Vehicular turn
Angle, the image pickup scope of vehicle mounted imaging apparatus and shooting blind area angle determine vehicle mounted imaging apparatus
The anglec of rotation.
Data processing module 504 specifically for: according to formula Z=180-X-W/2-Y calculate car
Carry the anglec of rotation of camera head；Wherein, Z represents the anglec of rotation of vehicle mounted imaging apparatus, X
Representing vehicle steering angle, W represents the image pickup scope of vehicle mounted imaging apparatus, and Y represents that shooting is blind
District's angle.
Travelling data acquisition module 502, is additionally operable to speed and/or the acceleration of collection vehicle.
With reference to shown in Fig. 6, this device also includes: Video Composition module 608, for driving a vehicle
Data synthesize with the video signal of vehicle mounted imaging apparatus, and described travelling data includes vehicle
Speed, acceleration, vehicle steering angle.
With reference to shown in Fig. 6, this device also includes: memory module 610 and/or display module 612；
Memory module 610, for storing the video signal of the synthesis of Video Composition module output；Display
Module 612, for showing the video signal of synthesis that Video Composition module exports.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can
To be completed by hardware, it is also possible to instruct relevant hardware by program and complete, described journey
Sequence can be stored in a kind of computer-readable recording medium, and storage medium mentioned above can be
Read only memory, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. made, all should wrap
Within being contained in protection scope of the present invention.
Claims (12)
1. a Vehicular video filming control method, it is characterised in that including:
Collection vehicle steering angle；
The anglec of rotation of vehicle mounted imaging apparatus is determined according to vehicle steering angle；
Control vehicle mounted imaging apparatus according to the anglec of rotation to turn to, so that the shooting of vehicle mounted imaging apparatus
Scope covers vehicle side road in the rear.
2. the method for claim 1, it is characterised in that also include:
Judge whether vehicle steering angle reaches the threshold value set, if vehicle steering angle reaches to set
Fixed threshold value, then perform to determine the step of the anglec of rotation of vehicle mounted imaging apparatus.
3. the method for claim 1, it is characterised in that also include:
Turning to of vehicle is judged according at least one information in vehicle steering angle and turn signal
State, if judging, vehicle to turn to, then performs to determine the step of the anglec of rotation of vehicle mounted imaging apparatus
Suddenly.
4. the method for claim 1, it is characterised in that described according to Vehicular turn angle
Degree determines that the anglec of rotation of vehicle mounted imaging apparatus includes:
According to vehicle steering angle, the image pickup scope of vehicle mounted imaging apparatus and shooting blind area angle
Determine the anglec of rotation of vehicle mounted imaging apparatus.
5. the method as described in claim 1 or 4, it is characterised in that described turn according to vehicle
The anglec of rotation to angle-determining vehicle mounted imaging apparatus includes:
The anglec of rotation of vehicle mounted imaging apparatus is calculated according to formula Z=180-X-W/2-Y；
Wherein, Z represents the anglec of rotation of vehicle mounted imaging apparatus, and X represents vehicle steering angle,
W represents the image pickup scope of vehicle mounted imaging apparatus, and Y represents shooting blind area angle.
6. the method for claim 1, it is characterised in that also include:
The speed of collection vehicle and/or acceleration；
The video signal of travelling data with vehicle mounted imaging apparatus is synthesized, described travelling data
Including the speed of vehicle, acceleration, vehicle steering angle.
7. a Vehicular video imaging control device, it is characterised in that including:
Travelling data acquisition module, for collection vehicle steering angle；
Data processing module, for determining the rotation of vehicle mounted imaging apparatus according to vehicle steering angle
Angle；
Shooting control module, turns to for controlling vehicle mounted imaging apparatus according to the anglec of rotation, so that
The coverage of vehicle mounted imaging apparatus covers vehicle side road in the rear.
8. device as claimed in claim 7, it is characterised in that also include:
Judge module, the threshold value set for judging vehicle steering angle whether to reach, if vehicle
Steering angle reaches the threshold value set, and is further continued for performing the operation of data processing module；Or,
For judging turning to of vehicle according at least one information in vehicle steering angle and turn signal
State, if judging, vehicle to turn to, and is further continued for performing the operation of data processing module.
9. device as claimed in claim 7, it is characterised in that described data processing module,
Specifically for: according to vehicle steering angle, the image pickup scope of vehicle mounted imaging apparatus and shoot blind
District's angle determines the anglec of rotation of vehicle mounted imaging apparatus.
10. the device as described in claim 7 or 9, it is characterised in that described data process
Module, specifically for: the rotation of vehicle mounted imaging apparatus is calculated according to formula Z=180-X-W/2-Y
Gyration；Wherein, Z represents the anglec of rotation of vehicle mounted imaging apparatus, and X represents Vehicular turn angle
Degree, W represents the image pickup scope of vehicle mounted imaging apparatus, and Y represents shooting blind area angle.
11. devices as claimed in claim 7, it is characterised in that travelling data acquisition module,
It is additionally operable to speed and/or the acceleration of collection vehicle；
Described Vehicular video imaging control device also includes: Video Composition module, for driving a vehicle
Data synthesize with the video signal of vehicle mounted imaging apparatus, and described travelling data includes vehicle
Speed, acceleration, vehicle steering angle.
12. devices as claimed in claim 11, it is characterised in that described Vehicular video shoots
Control device also to include: memory module and/or display module；
Described memory module, for storing the video signal of the synthesis of Video Composition module output；
Described display module, for showing the video signal of synthesis that Video Composition module exports.
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| CN201510197770.4A CN106157386A (en) | 2015-04-23 | 2015-04-23 | Vehicular video filming control method and device |
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| CN201510197770.4A CN106157386A (en) | 2015-04-23 | 2015-04-23 | Vehicular video filming control method and device |
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| CN109283856A (en) * | 2017-07-21 | 2019-01-29 | 长城汽车股份有限公司 | A kind of automobile data recorder and its shooting angle regulating device and method |
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