CN109767627A - A kind of break in traffic rules and regulations intelligent sound grasp shoot method and system - Google Patents
A kind of break in traffic rules and regulations intelligent sound grasp shoot method and system Download PDFInfo
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Abstract
The present invention relates to obtaining evidence about drive against traffic regulations technical field more particularly to a kind of break in traffic rules and regulations intelligent sound grasp shoot method and systems.Include: step S-1, travelling data sequence is extracted when detecting phonetic order, the travelling data sequence includes vehicle position information l, vehicle speed information v, vehicle acceleration information a, transmits information d, temporal information t；Step S-2 is calculated based on the phonetic order and the travelling data sequence and is captured weight W, and enters step S-3 when capturing weight W and being greater than and capture weight threshold Ws;Step S-3 breaks rules and regulations to capture；Wherein, it is described capture weight W be speed weight w2, position weight w3, in acceleration weight w4 at least one of the sum of with voice weight w1.Multiple informations, the formation such as position, speed, acceleration by fusion vehicle can perceive vehicle violation violation information, improve the recognition accuracy of candid photograph.
Description
Technical field
The present invention relates to obtaining evidence about drive against traffic regulations technical field more particularly to a kind of break in traffic rules and regulations intelligent sound grasp shoot method and
System.
Background technique
With the sharp increase of China's car ownership, urban road traffic congestion is got worse, and has caused serious road anger disease
(" anger road disease " belongs to driving anxiety, refer in driver's startup procedure because bad road conditions scream an obscenity mouth, carelessly modified line, by force overtake other vehicles,
Phenomena such as rushing amber light).Easily there is driving behavior lack of standardization when in face of bad traffic condition in many drivers；Meanwhile it not advising
Model driving behavior can also cause other drivers especially road anger disease driver to break out, and lead to vicious circle.It such as maliciously jumps a queue, is dangerous
It overtakes other vehicles, the driving behavior lack of standardization such as random lane change, is easy to happen vehicle and the fender-bender such as scrapes, knock into the back, make traffic route
It blocks plus stifled.Currently, mainly monitoring candid photograph mode by electronic police carries out specification driver driving behavior, however, electronic police
There are a large amount of blind area of monitoring.
The patent of invention of application publication number CN108154686A, data of publication of application on June 12nd, 2018 disclose a kind of vehicle
Carry act of violating regulations capturing system, including image collecting device, image processing apparatus, snapping control device, wireless communication module and
User's operation device, image collecting device setting and vehicle front, image processing apparatus are used to handle the image of acquisition,
Snapping control device includes artificial candid photograph control circuit and captures control circuit automatically, captures mould for controlling image collecting device
Formula, user's operation device are provided with operation button, and operation button, which includes at least, captures mode switch button, wireless communication module with
Background server connection, background server is used to receive the image labeled as vehicle violation, and is verified, to the figure after verification
As label GPS positioning information and acquisition time information, vehicle violation data library is established.It can be known by merging a variety of recognizers
Not a variety of acts of violating regulations, the image by background server labeled as act of violating regulations are audited, and accurate violation data is generated
Library.It can distinguish in real time and automatic identification and capture front vehicles act of violating regulations, system background is connected with traffic police's supervising platform, pipe
Reason personnel can send traffic police's supervising platform for vehicle violation data by backstage, investigate and prosecute related violation vehicle as traffic police
Evidence.But driver by the device manually captured when there are serious driving safety hidden danger.
Application publication number CN108346296A, the application for a patent for invention in data of publication of application on July 31st, 2018, Shen Qing Publication
Number CN106331556A, the application for a patent for invention in data of publication of application on January 11st, 2017, Authorization Notice No. CN204291186U,
The utility model patent in authorized announcement date on April 22nd, 2015 discloses car-mounted terminal by voice and carries out candid photograph violating the regulations
System makes up above-mentioned deficiency.But in complicated traffic environment, the candid photograph violating the regulations of vehicular traffic is carried out by phonetic order
There is a problem of that speech recognition accuracy is low.
Summary of the invention
In order to solve the above-mentioned technical problem the application, proposes a kind of break in traffic rules and regulations intelligent sound grasp shoot method, feature
It is, comprising:
Step S-1, travelling data sequence is extracted when detecting phonetic order, and the travelling data sequence includes vehicle location letter
Cease l, vehicle speed information v, vehicle acceleration information a, transmits information d, temporal information t；
Step S-2 is calculated based on the phonetic order and the travelling data sequence and is captured weight W, and big capturing weight W
S-3 is entered step when capturing weight threshold Ws;
Step S-3 breaks rules and regulations to capture；
Wherein, it is described capture weight W be speed weight w2, position weight w3, in acceleration weight w4 at least one of and voice
The sum of weight w1；
The voice weight w1 is determined according to the phonetic order；
The speed weight w2 is determined according to the vehicle speed information v；
The position weight w3 is determined according to the vehicle position information l；
The acceleration weight w4 is determined according to the vehicle acceleration information a.
In above-mentioned technical proposal, when jump a queue, danger overtake other vehicles, random lane change etc. lack of standardization uncivil meeting with by malice by driver
Driving behavior when, can be realized when ensuring traffic safety to malice traffic violations behavior record simultaneously by voice control
It reports.So that the angry mood that driver generates is dredged and given vent to, the breaking-out risk of anger road disease is reduced.Meanwhile it can
To improve the fright power to malice traffic violations behavior, specification driver driving behavioural habits and traffic order, traffic accident is reduced
Rate.Meanwhile multiple informations, the formation such as position, speed, acceleration by merging vehicle can perceive vehicle violation violation information,
Improve the recognition accuracy captured.
Preferably, the calculating of the voice weight w1 includes: step a1, the voice messaging in the phonetic order is extracted
s；The voice messaging s and voice template library are carried out matching primitives voice match rate p by step a2；Step a3, according to institute's predicate
Sound matching rate p, which is determined, calculates voice weight w1.
Preferably, in the step a2: the voice match if including sound-type information s1 in the voice messaging s
Rate p is equal to first threshold；If not including sound-type information in the voice messaging s, but if including vice activation information
Voice match rate p is second threshold；It does not also include vice activation in the voice messaging s if not including sound-type information
Then voice match rate p is third threshold value to information；The first threshold is greater than second threshold, and the second threshold is greater than third threshold
Value.
Preferably, the phonetic order includes capturing instruction, navigation instruction, dialogue instruction；The sound-type information
S1 is to capture instruction for specified corresponding phonetic order；The step S-3 includes: step S-3-1, is believed according to the sound-type
It ceases s1 and determines candid photograph instruction；Step S-3-2 carries out violating the regulations capture to obtain vehicle violation data according to candid photograph instruction；Step
Rapid S-3-3 uploads candid photograph data violating the regulations.
Preferably, step S-0, with fixed time period T record travelling data and driving image and stores into data
The heart；In the step S-1, travelling data sequence is extracted from the data center.
Preferably, driving image is extracted from the data center according to candid photograph instruction in the step S-3-2,
The candid photograph data violating the regulations are generated based on the driving image.
Preferably, when the vehicle speed information v is more than or equal to pre-set velocity V0When, speed weight w2 is 0；When
The vehicle speed information v is less than pre-set velocity V0When, speed weight w2 is equal to speed weight reference value.
Preferably, the calculating of the position weight w3 includes:
The vehicle position information l and map data base are carried out map match by step b-1；
Step b-2, when the matching result shows that vehicle is located at red green lamp crossing, position weight w3 joins equal to position weight
Value is examined, otherwise, position weight w3 is equal to 0.
Preferably, acceleration weight w4 is equal to 0 when the vehicle acceleration a is greater than 0；As the vehicle acceleration a
When less than or equal to 0, acceleration weight w4 is equal to acceleration weight reference value.
The present invention also provides a kind of break in traffic rules and regulations intelligent sound capturing systems, it is characterised in that: uses any of the above-described institute
The grasp shoot method stated.
The present invention has the following technical effect that
1. when driver meet with malice jump a queue, the uncultivated driving behavior lack of standardization such as danger is overtaken other vehicles, random lane change when, can
It realizes when ensuring traffic safety to malice traffic violations behavior record and reports by voice control.So that driver produces
Raw angry mood is dredged and is given vent to, and the breaking-out risk of anger road disease is reduced.
2. the fright power to malice traffic violations behavior, specification driver driving behavioural habits and traffic order can be improved,
Reduce traffic accident rate.
3. multiple informations such as position, speed, accelerations by fusion vehicle, formation can perceive vehicle violation and believe in violation of rules and regulations
Breath, improves the recognition accuracy of candid photograph.
Detailed description of the invention
The grasp shoot method flow chart of Fig. 1 embodiment of the present invention one.
Specific embodiment
Term used herein is used only for the purpose of describing specific embodiments, and is not intended to limit the present invention.Unless in addition
Definition, otherwise all terms used herein have normally understood identical with those skilled in the art
Meaning.It will be further appreciated that essential term should be interpreted as having and it is in related fields and present disclosure
The consistent meaning of meaning.The disclosure will be considered as example of the invention, and is not intended to and limits the invention to particular implementation
Example.
Embodiment one
A kind of break in traffic rules and regulations intelligent sound grasp shoot method as shown in Figure 1, comprising:
Step S-0 with fixed time period T acquisition travelling data and driving image and is stored to data center.By being mounted on vehicle
Mobile car-mounted terminal on acquires vehicle position information I, vehicle speed information v, vehicle acceleration information a, vehicle in real time
Transmits information d and current temporal information t.By the collected above- mentioned information set x(t of t moment mobile car-mounted terminal)=
The travelling data set of { l, v, a, d } as t moment, stores to data center.Meanwhile car-mounted terminal further includes for recording vehicle
The recording devices such as the camera of image in front of.Recording device records the figure of vehicle front in real time during vehicle driving
Picture is simultaneously stored to data center.Data center can be the storage devices such as local or long-range database, for temporarily slow
The travelling data and image of bicycle parking.For example, local data base can be to store travelling data sequence in the period according to day or the moon
And image, when the travelling data of data center and image storage duration be more than preset number of days or preset months when, then permit
Perhaps the travelling data or image are by new data cover.
Step S-1 extracts travelling data sequence from data center when detecting phonetic order.Car-mounted terminal can be
Whether there is voice generation around monitoring in driving conditions, when the speech volume that surrounding generates is greater than specified threshold value, determines week
It encloses and generates voice and acquire the voice around generated.Collected voice data is pre-processed (including noise suppressed, from
At one or more data processing methods such as dynamic gain control, mute detection, echo cancellation, resampling, adaptive-filtering
Reason) to reduce the interference of surrounding hum.In the present embodiment, to detect that the travelling data sequence that phonetic order extracts is to detect language
A certain moment before sound instruction is to the corresponding travelling data collection of all moment detected between a certain moment after phonetic order
Cooperation be correspondence need to extract travelling data sequence X=x(0), x(1) ... x(n) }.For example, it can be stated that working as in the present embodiment
In t0When moment detects phonetic order, corresponding t is extracted from data center0- 10s arrives the travelling data set in the t+10s period
As travelling data sequence X.
Step S-2 is calculated based on phonetic order and travelling data sequence and is captured weight W, and is greater than in candid photograph weight W and is grabbed
S-3 is entered step when clapping weight threshold Ws.Wherein, capture weight W be voice weight w1 and speed weight w2, position weight w3,
The sum of at least one of in acceleration weight w4.For example, capturing weight W can be the sum of voice weight w1 and speed weight w2；
Or capturing weight W can be the sum of voice weight w1 and position weight w3；Or capture weight W can for voice weight w1 with
The sum of acceleration weight w4；Or capturing weight W can be the sum of voice weight w1, speed weight w2, position weight w3；Or
Capturing weight W can be the sum of voice weight w1, speed weight w2, acceleration weight w3；Or capturing weight W can be voice
The sum of weight w1, position weight w3, acceleration weight w3；Or capture weight W can for voice weight w1, speed weight w2,
The sum of acceleration weight w3, acceleration weight w4.Specifically in the present embodiment, weight W=w1+w2+w3+w4 is captured.
Voice weight w1 is determined according to phonetic order.It is provided in this implementation, user needs to issue phonetic order and realizes to shifting
The manipulation of motor-car mounted terminal.For example, phonetic order may include capturing instruction, navigation instruction, dialogue instruction etc..When for issuing
Phonetic order include the keywords such as " candid photograph ", " taking pictures " when can star candid photograph violating the regulations.It is stored in mobile car-mounted terminal
The match information about the above-mentioned keyword in phonetic order is stored in voice template library, for judge in phonetic order whether
Including vice activation information (namely being used to start the keyword of candid photograph violating the regulations including above-mentioned one or more).As excellent
Choosing, the phonetic order that user issues can further include " jumping a queue " and either " overtake other vehicles " or the pass of acts of violating regulations such as " lane changes "
Keyword is with the specified candid photograph type for capturing instruction.It is stored in the voice template library in mobile car-mounted terminal and is also stored with about language
The match information of aforementioned keyword in sound captures the candid photograph type instructed for judging.In the present embodiment, voice weight w1's
Calculating includes:
Step a1 extracts the voice messaging s in phonetic order.Voice after pretreatment in step S1 is referred to using recognizer
Data are enabled to be identified.Recognizer includes but is not limited to the one or more based on artificial neural network or statistical model
Speech recognition algorithm.
Voice messaging s and voice template library are carried out matching primitives voice match rate p by step a2.If in voice messaging s
Keyword comprising sound-type information s1(, that is, specified speech instruction to capture instruction or navigation instruction or dialogue instruction etc.)
Then voice match rate p is first threshold；If in voice messaging s not including sound-type information, but believe including vice activation
Then voice match rate p is second threshold to breath；It does not also include vice activation in voice messaging s if not including sound-type information
Then voice match rate p is third threshold value to information.Wherein, first threshold is greater than second threshold, and second threshold is greater than third threshold value.Example
Such as, the value range of first threshold is greater than 80%, and second threshold value range is 50% ~ 80%, and the value range of third threshold value is
Less than 50%.Specifically, the present embodiment in this step matches the voice messaging s that step a1 is extracted with voice template library,
If matching result indicates to include specified speech instruction in voice messaging s to be the keyword message s1 for capturing instruction, it is determined that language
Sound matching rate is 100%；If in voice messaging s not including sound-type information, but grabbed including specified speech instruction for starting
Then voice match rate p is 80% to the vice activation information of bat；If not including sound-type information in voice messaging s, also do not include
Then voice match rate p is 0 to vice activation information.
Step a3 is determined according to voice match rate p and is calculated voice weight w1.Voice weight is calculated according to formula w1=p*A
w1.Wherein, A is preset voice weight reference value.
Speed weight w2 is determined according to vehicle speed information v.Generally when traffic light intersection has situations such as jumping a queue to occur
Speed is all slow, therefore preferably, in the present embodiment when vehicle speed information v is more than or equal to pre-set velocity V0
When, speed weight w2 is 0；When vehicle speed information v is less than pre-set velocity V0When, speed weight w2 is equal to speed weight reference value
B。
Position weight w3 is determined according to vehicle position information l.Using the position of vehicle as the auxiliary judgment letter violating the regulations captured
Breath, the calculating of position weight w3 include:
Vehicle position information l and map data base are carried out map match by step b-1.It is stored in local map data base
Have recorded the road and traffic lights information of map corresponding region.Vehicle position information l and map data base are subjected to map
Match a certain position on available map.
Step b-2 is generally the normal hair ground of acts of violating regulations such as jump a queue in traffic light intersection, therefore preferably, in this reality
It applying in example when matching result shows that vehicle is located at traffic light intersection, position weight w3 is equal to position weight reference value C, otherwise,
Position weight w3 is equal to 0.
Acceleration weight w4 is determined according to vehicle acceleration information a.Under normal circumstances, when there are other vehicles to jump a queue, added
The vehicle of plug itself has brake behavior, at this point, the acceleration of vehicle should be less than 0.Therefore, when vehicle accelerates in the present embodiment
When spending a greater than 0, acceleration weight w4 is equal to 0；When vehicle acceleration a is less than or equal to 0, acceleration weight w4 is equal to acceleration
Weight reference value D.
It calculates candid photograph weight W=w1+w2+w3+w4 and is compared with weight threshold is captured, captured if capturing weight W and being greater than
Weight threshold Ws is then captured into such as step S-3.In the present embodiment, voice weight reference value A=70, speed weight reference value B
=5, position weight reference value C=20, weight threshold Ws=70 are captured in acceleration weight reference value D=5.
Step S-3 breaks rules and regulations to capture, be extracted from the driving image cached in data center according to preset acquisition parameters pair
The image data answered is captured.Specifically include step:
Step S-3-1 is determined according to sound-type information s1 and is captured instruction.Preferably, can also be further in the present embodiment
Different candid photograph modes is taken according to the candid photograph type of different candid photograph instructions.
Step S-3-2 carries out candid photograph violating the regulations according to instruction is captured, to obtain vehicle violation data.In the present embodiment, according to
It captures instruction and extracts driving image (can be driving photo or driving video) from data center, generated and disobeyed based on driving image
Chapter captures data.Further, different candid photograph modes can also be used according to the difference for capturing type.For example, capturing class
Type is when jumping a queue to capture, and the driving image of candid photograph is the image data for detecting phonetic order preceding 5s and rear 5s；Capturing type is
Overtake other vehicles when capturing, the driving image of candid photograph be before detecting phonetic order 2s to the video data for detecting 2s after phonetic order；
When to capture type be that lane change is captured, the driving image of candid photograph be before detecting phonetic order 3s to detecting 3s after phonetic order
Video data.
Step S-3-3 uploads candid photograph data violating the regulations.Car-mounted terminal will be on the vehicle violation data that obtained in step S3-3-2
Reach server end.Preferably, being also separately installed with key pair in car-mounted terminal and server end, car-mounted terminal utilizes key
Encryption certification is carried out to the data of upload, to prevent the data uploaded to be forged or distort.
When driver meet with malice jump a queue, the uncultivated driving behavior lack of standardization such as danger is overtaken other vehicles, random lane change when, energy
Enough realizes when ensuring traffic safety to malice traffic violations behavior record and report by voice control.So that driver
The angry mood of generation is dredged and is given vent to, and the breaking-out risk of anger road disease is reduced.Meanwhile it can be improved to malice traffic
The fright power of unlawful practice, specification driver driving behavioural habits and traffic order reduce traffic accident rate.Meanwhile passing through fusion
The multiple informations such as position, the speed, acceleration of vehicle, formation can perceive vehicle violation violation information, and the identification for improving candid photograph is quasi-
True rate.
Embodiment two
The present invention also provides a kind of break in traffic rules and regulations intelligent sound capturing systems, including in speech detection device, photographic device, data
The heart, controller use the grasp shoot method of embodiment one to be captured.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those of ordinary skill in the art can be in appended power
Benefit makes various deformations or amendments in the range of requiring.
Claims (10)
1. a kind of break in traffic rules and regulations intelligent sound grasp shoot method characterized by comprising
Step S-1, travelling data sequence is extracted when detecting phonetic order, and the travelling data sequence includes vehicle location letter
Cease l, vehicle speed information v, vehicle acceleration information a, transmits information d, temporal information t；
Step S-2 is calculated based on the phonetic order and the travelling data sequence and is captured weight W, and big capturing weight W
S-3 is entered step when capturing weight threshold Ws;
Step S-3 breaks rules and regulations to capture；
Wherein, it is described capture weight W be speed weight w2, position weight w3, in acceleration weight w4 at least one of and voice
The sum of weight w1；
The voice weight w1 is determined according to the phonetic order；
The speed weight w2 is determined according to the vehicle speed information v；
The position weight w3 is determined according to the vehicle position information l；
The acceleration weight w4 is determined according to the vehicle acceleration information a.
2. a kind of break in traffic rules and regulations intelligent sound grasp shoot method according to claim 1, it is characterised in that: the voice weight
The calculating of w1 includes:
Step a1 extracts the voice messaging s in the phonetic order；
The voice messaging s and voice template library are carried out matching primitives voice match rate p by step a2；
Step a3 is determined according to the voice match rate p and is calculated voice weight w1.
3. a kind of break in traffic rules and regulations intelligent sound grasp shoot method according to claim 2, which is characterized in that the step a2
In:
Voice match rate p is equal to first threshold if including sound-type information s1 in the voice messaging s；
If in the voice messaging s not including sound-type information, but voice match rate p etc. if including vice activation information
In second threshold；
If in the voice messaging s not including sound-type information, voice match rate p etc. if also not including vice activation information
In third threshold value；
The first threshold is greater than the second threshold, and the second threshold is greater than the third threshold value.
4. a kind of break in traffic rules and regulations intelligent sound grasp shoot method according to claim 3, it is characterised in that:
The phonetic order includes capturing instruction, navigation instruction, dialogue instruction；The sound-type information s1 is corresponded to for specified
Phonetic order is to capture instruction；
The step S-3 includes:
Step S-3-1 is determined according to the sound-type information s1 and is captured instruction；
Step S-3-2 carries out violating the regulations capture to obtain vehicle violation data according to candid photograph instruction；
Step S-3-3 uploads candid photograph data violating the regulations.
5. a kind of break in traffic rules and regulations intelligent sound grasp shoot method according to claim 4, which is characterized in that further include:
Step S-0 with fixed time period T acquisition and recording travelling data and driving image and is stored to data center；
In the step S-1, travelling data sequence is extracted from the data center.
6. a kind of break in traffic rules and regulations intelligent sound grasp shoot method according to claim 5, it is characterised in that:
In the step S-3-2, driving image is extracted from the data center according to candid photograph instruction, is based on the road map
As generating the candid photograph data violating the regulations.
7. a kind of break in traffic rules and regulations intelligent sound grasp shoot method according to claim 1, it is characterised in that:
When the vehicle speed information v is more than or equal to pre-set velocity V0When, speed weight w2 is 0；
When the vehicle speed information v is less than pre-set velocity V0When, speed weight w2 is equal to speed weight reference value.
8. a kind of break in traffic rules and regulations intelligent sound grasp shoot method according to claim 1, which is characterized in that the position weight
The calculating of w3 includes:
The vehicle position information l and map data base are carried out map match by step b-1；
Step b-2, when the matching result shows that vehicle is located at traffic light intersection, position weight w3 is referred to equal to position weight
Value, otherwise, position weight w3 are equal to 0.
9. a kind of break in traffic rules and regulations intelligent sound grasp shoot method according to claim 1, it is characterised in that:
When the vehicle acceleration a is greater than 0, acceleration weight w4 is equal to 0；
When the vehicle acceleration a is less than or equal to 0, acceleration weight w4 is equal to acceleration weight reference value.
10. a kind of break in traffic rules and regulations intelligent sound capturing system, it is characterised in that:
Using grasp shoot method of any of claims 1-9.
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