CN106204800A - Method, device and the drive recorder that automatic traffic landmark identification is reminded - Google Patents
Method, device and the drive recorder that automatic traffic landmark identification is reminded Download PDFInfo
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- CN106204800A CN106204800A CN201610527208.8A CN201610527208A CN106204800A CN 106204800 A CN106204800 A CN 106204800A CN 201610527208 A CN201610527208 A CN 201610527208A CN 106204800 A CN106204800 A CN 106204800A
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- traffic signs
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
- G07C5/0866—Registering performance data using electronic data carriers the electronic data carrier being a digital video recorder in combination with video camera
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
- G06V20/582—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of traffic signs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
- G06V20/584—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of vehicle lights or traffic lights
Abstract
The present invention provides method, device and the drive recorder that a kind of automatic traffic landmark identification is reminded, and gathers raw video image by camera unit；To the possible traffic signs region examination in raw video image out；Identifying screening results further, it is judged which kind of traffic signs the image in described possible traffic signs region belongs to, get rid of is not the situation of traffic signs simultaneously；According to recognition result, the voice messaging storehouse that inquiry prestores, find out corresponding voice and play out.The present invention can carry out safety prompt function when driving, reduces the attention burden of driver, it is ensured that the safety of driving.
Description
Technical field
The invention belongs to drive a vehicle pilot instrument or method field, be specifically related to one and there is the prompting of automatic traffic landmark identification
The method of function, device or drive recorder.
Background technology
Traffic signs, is the road equipment transmitting with word or symbol and guiding, limit, alert or indicate information.Also known as road
Road sign will, road signs.In traffic signs typically with safety, eye-catching, clear, bright traffic signs be set implement to hand over
Siphunculus is managed, and is to ensure that traffic safety, smoothly important measures, and driver, when driving, needs the moment to note the friendship in roadside
Logical mark, can instruct driving at any time, it is ensured that traffic safety.
Drive recorder has the biggest effect for traffic safety and the confirmation of responsibility after there is security incident, current
Drive recorder can only simply record driving conditions, it is impossible to current driving states is provided any prompting and police simultaneously
Accuse, reduce the attention burden of driver, it is ensured that the safety of driving.
Summary of the invention
The technical problem to be solved in the present invention, a kind of method being to provide automatic traffic landmark identification to remind, device and
Drive recorder, can carry out safety prompt function when driving, reduces the attention burden of driver, it is ensured that the safety of driving.
The method that automatic traffic landmark identification of the present invention is reminded is achieved in that a kind of automatic traffic landmark identification is reminded
Method, including:
Step 10, gather raw video image by camera unit；
Step 20, to the possible traffic signs region examination in raw video image out；
Step 30, screening results is identified further, it is judged that the image in described possible traffic signs region belongs to
In which kind of traffic signs, get rid of is not the situation of traffic signs simultaneously；
Step 40, according to recognition result, the voice messaging storehouse that inquiry prestores, find out corresponding voice and play out.
Further, described step 20 is specifically: according to tri-color components of R, G, B, search monoblock in original image
The triangle of colour stable or circular image regions, then triangle or the image-region of circle of these colour stables
List, as possible traffic signs region.
Further, described step 30 is specifically:
Step 31, tri-color components of the RGB in image-region are analyzed,
If R color component is more than 200 in image-region, G, B color component is both less than 50, then judge that image block is prohibited as red
Only sign image block；
If R, G color component is both greater than 200 in image-region, B color component is both less than 50, then judge that image block is yellow
Caution sign image block；
If B color component is more than 200 in image-region, R, G color component is both less than 50, then judge that image block is that blueness refers to
Indicating will image block；
If three above condition is all unsatisfactory for, then it is assumed that this image block is not traffic signs, is got rid of；
Step 32, according to classification results retrieval symbol information in corresponding color flag library memory element, with to traffic mark
The content of will is identified.
In described step 32, if recognition result is red marker, red marker need to be determined whether as whether being speed limit
Mark, the most then compare the speed of current vehicle speed with speed(-)limit sign, and reports to the police in the case of hypervelocity.
Further, described step 30 also include step 33, according to user pre-set the need of report and hand over
Logical mark reports the report configuration of priority, carries out the mark recognized in image reporting sequence.
The device that automatic traffic landmark identification of the present invention is reminded is achieved in that a kind of automatic traffic landmark identification is reminded
Device, including the camera unit being sequentially connected with, image frame buffer unit, mark region recognition unit, landmarks identification unit,
Traffic signs sound bank and speaker；
Described camera unit is used for gathering raw video image and view data storing described image frame buffer list
Unit；
Described mark region recognition unit, will for being scanned raw video image in described image frame buffer unit
Possible traffic signs region examination is out；
Screening results is identified by described landmarks identification unit further, it is judged that in described possible traffic signs region
Image belong to which kind of traffic signs, get rid of is not the situation of traffic signs simultaneously；
Described traffic signs sound bank, according to recognition result, the voice messaging that inquiry prestores, finds out corresponding voice
It is sent to speaker play out.
The drive recorder that automatic traffic landmark identification of the present invention is reminded is achieved in that a kind of automatic traffic mark is known
You can well imagine the drive recorder waken up, including camera unit, image frame buffer unit, video encoding unit and speaker；Also wrap
Include mark region recognition unit, landmarks identification unit and traffic signs sound bank；Described camera unit, image frame buffer list
Unit, mark region recognition unit, landmarks identification unit and traffic signs sound bank are sequentially connected with, and described image frame buffer unit
It is also connected with video encoding unit；
Described camera unit is used for gathering raw video image and view data storing described image frame buffer list
Unit；
Described mark region recognition unit, will for being scanned raw video image in described image frame buffer unit
Possible traffic signs region examination is out；
Screening results is identified by described landmarks identification unit further, it is judged that in described possible traffic signs region
Image belong to which kind of traffic signs, get rid of is not the situation of traffic signs simultaneously；
Described traffic signs sound bank, according to recognition result, the voice messaging that inquiry prestores, finds out corresponding voice
It is sent to speaker play out.
Further, described landmarks identification unit farther includes flag colors recognition unit, red marker match cognization
Circuit, red marker library storage unit, yellow tag match identification circuit, yellow flag library memory element, blue logo mate
Identification circuit and blue logo library storage unit；Described flag colors recognition unit is known by described red marker coupling respectively
Other circuit, yellow tag match identification circuit and blue logo match cognization circuit connect traffic signs sound bank, and red mark
Will match cognization circuit is also connected with red marker library storage unit, yellow tag match identification circuit is also connected with yellow mark stock
Storage unit, blue logo match cognization circuit is also connected with blue logo library storage unit；
Described flag colors recognition unit is for being analyzed tri-color components of the RGB in image-region, if image
In region, R color component is more than 200, and G, B color component is both less than 50, then judge that image block is as red prohibitory sign image block；
If R, G color component is both greater than 200 in image-region, B color component is both less than 50, then judge that image block is Amber alert mark
Image block；If B color component is more than 200 in image-region, R, G color component is both less than 50, then judge that image block is that blueness refers to
Indicating will image block；If three above condition is all unsatisfactory for, then it is assumed that this image block is not traffic signs, is got rid of；
Described red marker match cognization circuit is according to classification results retrieval symbol letter in red marker library storage unit
Breath, is identified with the content to traffic signs；
Described yellow tag match identification circuit is according to classification results retrieval symbol letter in yellow flag library memory element
Breath, is identified with the content to traffic signs；
Described blue logo library storage unit according to classification results retrieval symbol information in blue logo library storage unit,
It is identified with the content to traffic signs.
Further, apparatus of the present invention and drive recorder also include speed(-)limit sign judging unit, the hypervelocity being sequentially connected with
Judging unit and alarm unit, and speed(-)limit sign judging unit is also attached to described red marker match cognization circuit；
Described speed(-)limit sign judging unit the recognition result of described red marker match cognization circuit is determined whether into
Whether it is speed(-)limit sign, the most corresponding speed-limiting messages is sent to described hypervelocity judging unit, does not the most do any action；
Described hypervelocity judging unit is for comparing with the speed-limiting messages received current vehicle speed, if current vehicle speed
More than restricted speed, then alarm useful signal is sent to alarm unit, alarm unit reports to the police.
Further, apparatus of the present invention and drive recorder also include that the priority judging unit connected and report configuration are deposited
Storage unit；Described red marker match cognization circuit, yellow tag match identification circuit and blue logo match cognization circuit are
Described traffic signs sound bank is connected by this priority judging unit；
Described report configuration memory cell is for storing the information the need of report and the traffic signs of user setup
Report precedence information；
Described priority judging unit is for reporting preferential according to described the need of the information reported and traffic signs
Level information, carries out the mark recognized in image reporting sequence, then the mark reported will be needed to be sent to traffic in order
Mark sound bank.
Further, described image frame buffer unit, mark region recognition unit, landmarks identification unit, traffic signs language
Sound storehouse, priority judging unit and report configuration memory cell are all integrated in a chip.
Present invention have the advantage that road signs can be identified by the present invention automatically, and while driving recording
Carry out safety prompt function, reduce the attention burden of driver, thus ensure the safety of driving.
Accompanying drawing explanation
The present invention is further illustrated the most in conjunction with the embodiments.
Fig. 1 is the execution flow chart of method one preferred embodiment that automatic traffic landmark identification of the present invention is reminded.
Fig. 2 is the execution flow chart of automatic traffic landmark identification alarm set one preferred embodiment of the present invention.
Fig. 3 is the execution flow process of a preferred embodiment of the drive recorder that automatic traffic landmark identification of the present invention is reminded
Figure.
Detailed description of the invention
As it is shown in figure 1, the method that automatic traffic landmark identification of the present invention is reminded is achieved in that a kind of automatic traffic mark
The method that will identification is reminded, including:
Step 10, gather raw video image by camera unit.
Step 20, to the possible traffic signs region examination in raw video image out；Specifically: according to R, G, B
Three color components, search triangle or the circular image regions of monoblock colour stable, then these in original image
The triangle of colour stable or the image-region of circle are listed, as possible traffic signs region.
Step 30, screening results is identified further, it is judged that the image in described possible traffic signs region belongs to
In which kind of traffic signs, get rid of is not the situation of traffic signs simultaneously；Specifically include:
Step 31, tri-color components of the RGB in image-region are analyzed,
If R color component is more than 200 in image-region, G, B color component is both less than 50, then judge that image block is prohibited as red
Only sign image block；
If R, G color component is both greater than 200 in image-region, B color component is both less than 50, then judge that image block is yellow
Caution sign image block；
If B color component is more than 200 in image-region, R, G color component is both less than 50, then judge that image block is that blueness refers to
Indicating will image block；
If three above condition is all unsatisfactory for, then it is assumed that this image block is not traffic signs, is got rid of；
Step 32, according to classification results retrieval symbol information in corresponding color flag library memory element, with to traffic mark
The content of will is identified；If recognition result is red marker, red marker need to be determined whether as whether being speed(-)limit sign,
The most then the speed of current vehicle speed with speed(-)limit sign is compared, and report to the police in the case of hypervelocity；
Step 33, according to user pre-set the need of report and traffic signs report priority report join
Put, carry out the mark recognized in image reporting sequence.
Step 40, according to recognition result, the voice messaging storehouse that inquiry prestores, find out corresponding voice and play out.
As in figure 2 it is shown, the device that automatic traffic landmark identification of the present invention is reminded includes the camera unit being sequentially connected with
201, image frame buffer unit 202, mark region recognition unit 203, landmarks identification unit 204, priority judging unit 205,
Traffic signs sound bank 206 and speaker 207；Described priority judging unit 205 is also connected with reporting configuration memory cell
208；
Described camera unit 201 is used for gathering raw video image and view data storing described image frame buffer
Unit 202；
Described mark region recognition unit 203 is for carrying out raw video image in described image frame buffer unit 202
Scanning, it would be possible to the examination of traffic signs region out；
Screening results is identified by described landmarks identification unit 203 further, it is judged that described possible traffic signs district
Which kind of traffic signs image in territory belongs to, and get rid of is not the situation of traffic signs simultaneously；
Described report configuration memory cell 208 is for storing the information the need of report and the traffic mark of user setup
Will reports precedence information；
Described priority judging unit 205 is for reporting excellent according to described the need of the information reported and traffic signs
First level information, carries out the mark recognized in image reporting sequence, then the mark reported will be needed to be sent in order hand over
Logical mark sound bank.
Described traffic signs sound bank 206, according to recognition result, the voice messaging that inquiry prestores, finds out corresponding language
Sound is sent to speaker and plays out.
Described landmarks identification unit 204 farther includes flag colors recognition unit 2041, red marker match cognization electricity
Road 2042, red marker library storage unit 2043, yellow tag match identification circuit 2044, yellow flag library memory element
2045, blue logo match cognization circuit 2046 and blue logo library storage unit 2047；Described flag colors recognition unit
2041 respectively by described red marker match cognization circuit 2042, yellow tag match identification circuit 2044 and blue logo
Join identification circuit 2046 and connect traffic signs sound bank 206 by described priority judging unit 205, and red marker coupling is known
Other circuit 2042 is also connected with red marker library storage unit 2043, yellow tag match identification circuit 2044 is also connected with yellow mark
Library storage unit 2045, blue logo match cognization circuit 2046 is also connected with blue logo library storage unit 2047；
Described flag colors recognition unit 2041 is used for being analyzed tri-color components of the RGB in image-region, if
In image-region, R color component is more than 200, and G, B color component is both less than 50, then judge that image block is as red prohibitory sign image
Block；If R, G color component is both greater than 200 in image-region, B color component is both less than 50, then judge that image block is Amber alert
Sign image block；If B color component is more than 200 in image-region, R, G color component is both less than 50, then judge that image block is as blue
Color Warning Mark image block；If three above condition is all unsatisfactory for, then it is assumed that this image block is not traffic signs, is arranged
Remove；
Described red marker match cognization circuit 2042 is examined in red marker library storage unit 2043 according to classification results
Rope flag information, is identified with the content to traffic signs；
Described yellow tag match identification circuit 2044 is examined in yellow flag library memory element 2045 according to classification results
Rope flag information, is identified with the content to traffic signs；
Described blue logo match cognization circuit 2046 is examined in blue logo library storage unit 2047 according to classification results
Rope flag information, is identified with the content to traffic signs.
Speed(-)limit sign judging unit 209 that the device that automatic traffic landmark identification of the present invention is reminded also includes being sequentially connected with,
Exceed the speed limit judging unit 210 and alarm unit 211, and speed(-)limit sign judging unit 209 is also attached to described red marker
Join identification circuit 2042；
Described speed(-)limit sign judging unit 209 is further to the recognition result of described red marker match cognization circuit 2042
It is judged as the speed mark that whether is limited, the most corresponding speed-limiting messages is sent to described hypervelocity judging unit 210, does not does
Any action；
Described hypervelocity judging unit 210 is for comparing with the speed-limiting messages received current vehicle speed, if currently
Speed is more than restricted speed, then alarm useful signal is sent to alarm unit 211, alarm unit 211 reports to the police.
Described image frame buffer unit, mark region recognition unit, landmarks identification unit, traffic signs sound bank, preferential
Level judging unit and report configuration memory cell are all integrated in a chip.
As it is shown on figure 3, the drive recorder that automatic traffic landmark identification of the present invention is reminded, including camera unit 301, figure
As frame buffer unit 302, video encoding unit 303, speaker 304, mark region recognition unit 305, landmarks identification unit
306, priority judging unit 307, report configuration memory cell 308, traffic signs sound bank 309；Described camera unit
301, image frame buffer unit 302, mark region recognition unit 305, landmarks identification unit 306, priority judging unit 307 and
Traffic signs sound bank 307 is sequentially connected with, and described image frame buffer unit 302 is also connected with video encoding unit 303；Described excellent
First level judging unit 307 is also connected with reporting configuration memory cell 308；
Wherein,
Described camera unit 301 is used for gathering raw video image and view data storing described image frame buffer
Unit 302；
Described mark region recognition unit 305 is for sweeping raw video image in described image frame buffer unit
Retouch, it would be possible to the examination of traffic signs region out；
Screening results is identified by described landmarks identification unit 306 further, it is judged that described possible traffic signs district
Which kind of traffic signs image in territory belongs to, and get rid of is not the situation of traffic signs simultaneously；
Described traffic signs sound bank 309, according to recognition result, the voice messaging that inquiry prestores, finds out corresponding language
Sound is sent to speaker and plays out.
Described report configuration memory cell 308 is for storing the information the need of report and the traffic mark of user setup
Will reports precedence information；
Described priority judging unit 307 is for reporting excellent according to described the need of the information reported and traffic signs
First level information, carries out the mark recognized in image reporting sequence, then the mark reported will be needed to be sent in order hand over
Logical mark sound bank.
Described landmarks identification unit 106 farther includes flag colors recognition unit 1061, red marker match cognization electricity
Road 1062, red marker library storage unit 1063, yellow tag match identification circuit 1064, yellow flag library memory element
1065, blue logo match cognization circuit 1066 and blue logo library storage list 1067 yuan；Described flag colors recognition unit
3061 respectively by described red marker match cognization circuit 3062, yellow tag match identification circuit 3064 and blue logo
Join identification circuit 3066 and connect traffic signs sound bank 307, and red marker match cognization circuit 3062 is also connected with red marker
Library storage unit 3063, yellow tag match identification circuit 3064 are also connected with yellow flag library memory element 3065, blue logo
Match cognization circuit 3066 is also connected with blue logo library storage unit 3067；
Described flag colors recognition unit 3061 is used for being analyzed tri-color components of the RGB in image-region, if
In image-region, R color component is more than 200, and G, B color component is both less than 50, then judge that image block is as red prohibitory sign image
Block；If R, G color component is both greater than 200 in image-region, B color component is both less than 50, then judge that image block is Amber alert
Sign image block；If B color component is more than 200 in image-region, R, G color component is both less than 50, then judge that image block is as blue
Color Warning Mark image block；If three above condition is all unsatisfactory for, then it is assumed that this image block is not traffic signs, is arranged
Remove；
Described red marker match cognization circuit 3062 is examined in red marker library storage unit 3063 according to classification results
Rope flag information, is identified with the content to traffic signs；
Described yellow tag match identification circuit 3064 is examined in yellow flag library memory element 3065 according to classification results
Rope flag information, is identified with the content to traffic signs；
Described blue logo match cognization circuit 3066 is examined in blue logo library storage unit 3067 according to classification results
Rope flag information, is identified with the content to traffic signs.
The drive recorder of the present invention also includes speed(-)limit sign judging unit 310, the hypervelocity judging unit 311 being sequentially connected with
And alarm unit 312, and speed(-)limit sign judging unit 310 is also attached to described red marker match cognization circuit 3062；
The recognition result of described red marker match cognization circuit is determined whether by described speed(-)limit sign judging unit 310
For whether being speed(-)limit sign, the most corresponding speed-limiting messages is sent to described hypervelocity judging unit 311, does not the most do any
Action；
Described hypervelocity judging unit 311 is for comparing with the speed-limiting messages received current vehicle speed, if currently
Speed is more than restricted speed, then alarm useful signal is sent to alarm unit 312, alarm unit 312 reports to the police.
In the present invention, described image frame buffer unit, mark region recognition unit, landmarks identification unit, traffic signs
Sound bank, priority judging unit and report configuration memory cell are all integrated in a chip；And it is speed(-)limit sign judging unit, super
Speed judging unit and alarm unit also can be integrated in described chip in the lump.
Although the foregoing describing the detailed description of the invention of the present invention, but those familiar with the art should managing
Solving, our described specific embodiment is merely exemplary rather than for the restriction to the scope of the present invention, is familiar with this
The technical staff in field, in the equivalent modification made according to the spirit of the present invention and change, should be contained the present invention's
In scope of the claimed protection.
Claims (15)
1. the method that an automatic traffic landmark identification is reminded, it is characterised in that:
Step 10, gather raw video image by camera unit；
Step 20, to the possible traffic signs region examination in raw video image out；
Step 30, screening results is identified further, it is judged which the image in described possible traffic signs region belongs to
Kind of traffic signs, get rid of is not the situation of traffic signs simultaneously；
Step 40, according to recognition result, the voice messaging storehouse that inquiry prestores, find out corresponding voice and play out.
The method that automatic traffic landmark identification the most according to claim 1 is reminded, it is characterised in that:
Described step 20 is specifically: according to tri-color components of R, G, B, search the triangle of monoblock colour stable in original image
Shape or circular image regions, then list the triangle of these colour stables or the image-region of circle, as can
The traffic signs region of energy.
The method that automatic traffic landmark identification the most according to claim 2 is reminded, it is characterised in that: described step 30 is concrete
It is:
Step 31, tri-color components of the RGB in image-region are analyzed,
If R color component is more than 200 in image-region, G, B color component is both less than 50, then judge that image block is that redness forbids mark
Will image block；
If R, G color component is both greater than 200 in image-region, B color component is both less than 50, then judge that image block is Amber alert
Sign image block；
If B color component is more than 200 in image-region, R, G color component is both less than 50, then judge that image block is as blue indicateing arm
Will image block；
If three above condition is all unsatisfactory for, then it is assumed that this image block is not traffic signs, is got rid of；
Step 32, according to classification results retrieval symbol information in corresponding color flag library memory element, with to traffic signs
Content is identified.
The method that automatic traffic landmark identification the most according to claim 3 is reminded, it is characterised in that: in described step 32,
If recognition result is red marker, red marker need to be determined whether as whether being speed(-)limit sign, the most then to current vehicle speed
Compare with the speed of speed(-)limit sign, and report to the police in the case of hypervelocity.
The method that automatic traffic landmark identification the most according to claim 3 is reminded, it is characterised in that:
Also include step 33 after described step 32, report the need of report and traffic signs according to what user pre-set
The report configuration of priority, carries out the mark recognized in image reporting sequence.
6. the device that an automatic traffic landmark identification is reminded, it is characterised in that: include camera unit, the image being sequentially connected with
Frame buffer unit, mark region recognition unit, landmarks identification unit, traffic signs sound bank and speaker；
Described camera unit is used for gathering raw video image and view data storing described image frame buffer unit；
Described mark region recognition unit is for being scanned raw video image in described image frame buffer unit, it would be possible to
The examination of traffic signs region out；
Screening results is identified by described landmarks identification unit further, it is judged that the figure in described possible traffic signs region
As belonging to which kind of traffic signs, get rid of is not the situation of traffic signs simultaneously；
Described traffic signs sound bank, according to recognition result, the voice messaging that inquiry prestores, is found out corresponding voice and is sent to
Speaker plays out.
The device that automatic traffic landmark identification the most according to claim 6 is reminded, it is characterised in that: described landmark identification list
Unit farther includes flag colors recognition unit, red marker match cognization circuit, red marker library storage unit, yellow mark
Match cognization circuit, yellow flag library memory element, blue logo match cognization circuit and blue logo library storage unit；Institute
State flag colors recognition unit respectively by described red marker match cognization circuit, yellow tag match identification circuit and blueness
Tag match identification circuit connects traffic signs sound bank, and red marker match cognization circuit is also connected with red marker library storage
Unit, yellow tag match identification circuit are also connected with yellow flag library memory element, and blue logo match cognization circuit is also connected with
Blue logo library storage unit；
Described flag colors recognition unit is for being analyzed tri-color components of the RGB in image-region, if image-region
Interior R color component is more than 200, and G, B color component is both less than 50, then judge that image block is as red prohibitory sign image block；If figure
As in region, R, G color component is both greater than 200, B color component is both less than 50, then judge that image block is Amber alert sign image
Block；If B color component is more than 200 in image-region, R, G color component is both less than 50, then judge that image block is as blue indicateing arm
Will image block；If three above condition is all unsatisfactory for, then it is assumed that this image block is not traffic signs, is got rid of；
Described red marker match cognization circuit according to classification results retrieval symbol information in red marker library storage unit, with
The content of traffic signs is identified；
Described yellow tag match identification circuit according to classification results retrieval symbol information in yellow flag library memory element, with
The content of traffic signs is identified；
Described blue logo match cognization circuit according to classification results retrieval symbol information in blue logo library storage unit, with
The content of traffic signs is identified.
The device that automatic traffic landmark identification the most according to claim 7 is reminded, it is characterised in that: also include being sequentially connected with
Speed(-)limit sign judging unit, hypervelocity judging unit and alarm unit, and speed(-)limit sign judging unit is also attached to described
Red marker match cognization circuit；
Whether the recognition result of described red marker match cognization circuit is determined whether as by described speed(-)limit sign judging unit
For speed(-)limit sign, the most corresponding speed-limiting messages is sent to described hypervelocity judging unit, does not the most do any action；
Described hypervelocity judging unit is for comparing with the speed-limiting messages received current vehicle speed, if current vehicle speed is more than
Restricted speed, then be sent to alarm unit alarm useful signal, alarm unit report to the police.
The device that automatic traffic landmark identification the most according to claim 6 is reminded, it is characterised in that: also include the excellent of connection
First level judging unit and report configuration memory cell；Described red marker match cognization circuit, yellow tag match identification circuit
It is to connect described traffic signs sound bank by this priority judging unit with blue logo match cognization circuit；
Described report configuration memory cell is for storing reporting the need of the information reported and traffic signs of user setup
Precedence information；
Described priority judging unit is for reporting priority letter according to described the need of the information reported and traffic signs
Breath, carries out the mark recognized in image reporting sequence, then the mark reported will be needed to be sent to traffic signs in order
Sound bank.
The device that automatic traffic landmark identification the most according to claim 9 is reminded, it is characterised in that: described picture frame delays
Memory cell, mark region recognition unit, landmarks identification unit, traffic signs sound bank, priority judging unit and report configuration
Memory element is all integrated in a chip.
The drive recorder that 11. 1 kinds of automatic traffic landmark identification are reminded, including camera unit, image frame buffer unit, regards
Frequently coding unit and speaker；It is characterized in that: also include mark region recognition unit, landmarks identification unit and traffic signs
Sound bank；Described camera unit, image frame buffer unit, mark region recognition unit, landmarks identification unit and traffic signs
Sound bank is sequentially connected with, and described image frame buffer unit is also connected with video encoding unit；
Described camera unit is used for gathering raw video image and view data storing described image frame buffer unit；
Described mark region recognition unit is for being scanned raw video image in described image frame buffer unit, it would be possible to
The examination of traffic signs region out；
Screening results is identified by described landmarks identification unit further, it is judged that the figure in described possible traffic signs region
As belonging to which kind of traffic signs, get rid of is not the situation of traffic signs simultaneously；
Described traffic signs sound bank, according to recognition result, the voice messaging that inquiry prestores, is found out corresponding voice and is sent to
Speaker plays out.
The drive recorder that 12. automatic traffic landmark identification according to claim 11 are reminded, it is characterised in that: described mark
Will recognition unit farther include flag colors recognition unit, red marker match cognization circuit, red marker library storage unit,
Yellow tag match identification circuit, yellow flag library memory element, blue logo match cognization circuit and blue logo stock
Storage unit；Described flag colors recognition unit is respectively by described red marker match cognization circuit, yellow tag match identification
Circuit and blue logo match cognization circuit connect traffic signs sound bank, and red marker match cognization circuit is also connected with redness
Flag library memory element, yellow tag match identification circuit are also connected with yellow flag library memory element, blue logo match cognization
Circuit is also connected with blue logo library storage unit；
Described flag colors recognition unit is for being analyzed tri-color components of the RGB in image-region, if image-region
Interior R color component is more than 200, and G, B color component is both less than 50, then judge that image block is as red prohibitory sign image block；If figure
As in region, R, G color component is both greater than 200, B color component is both less than 50, then judge that image block is Amber alert sign image
Block；If B color component is more than 200 in image-region, R, G color component is both less than 50, then judge that image block is as blue indicateing arm
Will image block；If three above condition is all unsatisfactory for, then it is assumed that this image block is not traffic signs, is got rid of；
Described red marker match cognization circuit according to classification results retrieval symbol information in red marker library storage unit, with
The content of traffic signs is identified；
Described yellow tag match identification circuit according to classification results retrieval symbol information in yellow flag library memory element, with
The content of traffic signs is identified；
Described blue logo match cognization circuit according to classification results retrieval symbol information in blue logo library storage unit, with
The content of traffic signs is identified.
The drive recorder that 13. automatic traffic landmark identification according to claim 11 are reminded, it is characterised in that: also include
The speed(-)limit sign judging unit that is sequentially connected with, hypervelocity judging unit and alarm unit, and speed(-)limit sign judging unit also connects
It is connected to described red marker match cognization circuit；
Whether the recognition result of described red marker match cognization circuit is determined whether as by described speed(-)limit sign judging unit
For speed(-)limit sign, the most corresponding speed-limiting messages is sent to described hypervelocity judging unit, does not the most do any action；
Described hypervelocity judging unit is for comparing with the speed-limiting messages received current vehicle speed, if current vehicle speed is more than
Restricted speed, then be sent to alarm unit alarm useful signal, alarm unit report to the police.
The device that 14. automatic traffic landmark identification according to claim 11 are reminded, it is characterised in that: also include connection
Priority judging unit and report configuration memory cell；Described red marker match cognization circuit, yellow tag match identification electricity
Road and blue logo match cognization circuit are to connect described traffic signs sound bank by this priority judging unit；
Described report configuration memory cell is for storing reporting the need of the information reported and traffic signs of user setup
Precedence information；
Described priority judging unit is for reporting priority letter according to described the need of the information reported and traffic signs
Breath, carries out the mark recognized in image reporting sequence, then the mark reported will be needed to be sent to traffic signs in order
Sound bank.
The device that 15. automatic traffic landmark identification according to claim 14 are reminded, it is characterised in that: described picture frame delays
Memory cell, mark region recognition unit, landmarks identification unit, traffic signs sound bank, priority judging unit and report configuration
Memory element is all integrated in a chip.
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