CN103325270B - System and method for vehicle information automatic voice broadcast based on image processing technology - Google Patents
System and method for vehicle information automatic voice broadcast based on image processing technology Download PDFInfo
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- CN103325270B CN103325270B CN201310216452.9A CN201310216452A CN103325270B CN 103325270 B CN103325270 B CN 103325270B CN 201310216452 A CN201310216452 A CN 201310216452A CN 103325270 B CN103325270 B CN 103325270B
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Abstract
The invention discloses a system and method for vehicle information automatic voice broadcast based on the image processing technology. The system and method is used in a device used for automatically judging information points and conducting voice broadcast and a series of control operation in operation starting stations, operation finishing stations and on the way of a bus, a coach and a rail train. A camera is arranged in the front portion of a vehicle. Video images of portion in front of the running vehicle is returned by the camera and received by the device in real time. The images are processed one by one and are matched with information point marking images stored in advance, and therefore accurate automatic identification, voice broadcast and execution of corresponding control operation are conducted accurately on the series of information points in the process of operation of the vehicle.
Description
Technical field
the present invention relates to road information Play System field, be specially a kind of vehicle information automatic voice broadcast system and method based on image processing techniques.
Background technology
Along with the development of digital technology, the compression of sound, picture, video and treatment technology are also advancing fast, image processing techniques was applied to every field more and more in recent years, a lot of product is all the exploitation carried out based on image processing techniques, the vehicle peccancy automatic shooting device at such as, warning device in ATM (Automatic Teller Machine), the passenger flow counting device on bus, crossing etc.
Utilize image processing techniques, best solution in a lot of occasion, but taking what kind of algorithm to allow the precision identified reach the requirement of use, is the problem that researcher is concerned about most, can say whether successfully the height of precision directly determines the exploitation of product.And the principal element affecting precision is the change of scene and there is a large amount of unknown scenes, if a kind of method can be found to make the scope of image recognition relatively fixing, make the scene of image recognition relatively stable, be aided with algorithm effectively again, the application of image processing techniques namely can be allowed more wide.
Meanwhile, the special chip of Computer Vision gets more and more, and from strength to strength, price is also in continuous downtrending, and this makes mill run utilize video image processing technology to develop becomes possibility for function.
Current existing many passenger company, carriers on the market all employ automatic stop-reporting device, the automatic discrimination technology that these devices adopt is varied, and these technology cut both ways in the application of the automatic report occasion of bus, long-distance car, track train, a kind of method is not had to be very perfect.Such as: the most frequently used is utilize GPS technology, but it is difficult to overcome the data validity problem that data accuracy and signal shielding bring, and often causes larger report error or even mistake; And utilizing short-distance networking technology, project has high input, and debugging is complicated, and O&M safeguard work amount is also very huge, this intermediate item nearly all fails.
Summary of the invention
The present invention is the deficiency making up prior art, a kind of vehicle information automatic voice broadcast system and method based on image processing techniques is provided, utilize the sound broadcasting device possessing image-capable, receive the video pictures of the vehicle operating front portion of the camera passback being arranged on front part of vehicle, device changes face to these and processes one by one and mate with the information point mark picture prestored, automatically can identify exactly information point a series of in vehicles operation process thus, voice broadcast and the corresponding control action of execution, effectively alleviate driver's labour intensity, improve vehicle driving safety, improve and service is taken advantage of to leading of passenger.
The technical solution used in the present invention is:
Based on the vehicle information automatic voice broadcast system of image processing techniques, it is characterized in that: include setting vehicle-mounted automatic station reporting device onboard, described vehicle-mounted automatic station reporting device comprises power unit, core board part, interface section, described core board part by cpu chip, and accesses the FLASH chip of cpu chip respectively by data and address bus, SDRAM chip, LSI chip is formed, and described interface section comprises USB driving chip, video encoder chip, erasable storage chip EEPROM, digital regulation resistance chip, audio decoder chip, audio frequency power amplifier chip, acousto-optic indicates, described USB driving chip, acousto-optic instruction is respectively by data and address bus access cpu chip, described cpu chip is electrically connected with erasable storage chip EEPROM by I2C interface, cpu chip is connect by I2S interface and digital regulation resistance chip electrical, described digital regulation resistance chip and audio decoder chip, audio decoder chip and audio frequency power amplifier chip electrical form speech play part, and described LSI chip is connect by CVBS interface and video encoder chip electrical, and video encoder chip is electrically connected with camera, and power unit is respectively each chip and provides power supply.
The described vehicle information automatic voice broadcast system based on image processing techniques, it is characterized in that: described power unit is a series of DC-DC module, vehicle-mounted 12VDC or 24VDC voltage transitions is 12VDC, 5VDC, 3.3VDC, 2.5VDC power supply that in device, each chip needs by DC-DC module respectively.
A kind of vehicle information point automatic information broadcast method, is characterized in that: comprise the following steps:
(1), configuration information point mark picture, represent line number, website number, up-downgoing information by certain color, pattern or numeral in picture;
(2) for each information point arranges a unique corresponding mark picture, information point title, the voice needing to report, the control action content that needed are carried out associating with corresponding mark picture and imports in the FLASH chip in vehicle-mounted automatic station reporting device by USB flash disk;
(3) vehicle is in operational process, vehicle-mounted automatic station reporting device is constantly from the camera that front part of vehicle is installed, the video pictures of Real-time Obtaining vehicle operating front portion, camera constantly sends the analog video signal collected to video encoder, these signals are constantly converted into digital signal and pass to LSI chip by video encoder, cpu chip processes one by one to these pictures, mate with the information point mark picture be stored in advance in vehicle-mounted automatic station reporting device again, if the match is successful, cpu chip transfers voice document in SDRAM chip from FLASH chip, and triggered digital potentiometer chip reaches a suitable numerical value, control audio decoder chip simultaneously and solve sound signal, this sound signal is sent into audio frequency power amplifier chip, report and indicate the voice messaging that picture is corresponding therewith and complete its corresponding control action prestored, if mate unsuccessful, then continue receiver, video picture and perform step (3) all the time.
The technology occasion that the present invention is likely applied to is:
1, for the various public transit vehicle in city and track train, in time needing to carry out automatic discrimination and the voice broadcast of information point in car operation way, the video pictures of the method to vehicle operating front can be utilized to process, mate and the operation such as triggering voice.
2, for long-distance big bus vehicle, the automatic information broadcast device that the method designs can be utilized, automatic discrimination and voice be carried out to place for getting on/off, tourist attractions, the positions such as forecast information point, terminal of arriving at a station in the point of dispatching a car in vehicle operating way, way and leads and take advantage of report.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, compared with GPS sensor, method, owing to can not be subject to the impact of signal shielding, therefore data integrity obtains guarantee, and accuracy and the promptness problem of such voice broadcast are just solved, and the driving range of vehicle also can not be restricted.
2, compared with short-distance networking method, device can self-organizing system, does not rely on Iarge-scale system and works, and cost is relatively low simultaneously, does not also have high maintenance expense, makes the feasibility of project, success ratio promotes greatly.
3, the real-time calculated is high, does not have cumulative errors, can completely automatically carry out mating, voice broadcast and complete a series of control action from the point of optional position.
4, because image processing techniques is widely used, limitation is little, if we process other video pictures, or the out of Memory in large area flicker reduction of video pictures, such device can be made to possess very abundant function, such as: to getting on the bus, passenger carries out face recognition, automatically can identify old man or child and trigger " inviting guests to be seated " term; Passenger flow is identified, the number of getting on the bus and get off at a certain website can be obtained; The crowded degree of platform is identified, commuter rush hour alarm peace peak prompting etc. can be carried out.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of vehicle-mounted automatic station reporting device of the present invention.
Fig. 2 is the process flow diagram of the inventive method.
Fig. 3 is the information point mark picture signal master drawing of the inventive method.
Embodiment
Present embodiment is described for public transport vehicle-mounted automatic stop-reporting device.
As Fig. 1, 2, shown in 3, based on the method for the vehicle automatic information broadcast information point of image processing techniques, it is characterized in that, include vehicle-mounted automatic station reporting device, vehicle-mounted automatic station reporting device includes power unit, core board part, interface section, core board part includes cpu chip (S3C44B0) 1, FLASH chip (HY29LV160) 2, SDRAM chip (HY57V641620) 3, LSI chip 4, interface section includes USB driving chip (CH375) 5, video encoder chip (ML86V76652) 6, erasable storage chip EEPROM(24LC64) 7, digital regulation resistance chip (X9313) 8, audio decoder chip (CS4334) 9, audio frequency power amplifier chip (TDA2003) 10, acousto-optic instruction 11, cpu chip 1 is by data and address bus and USB driving chip 5, LSI chip 4, FLASH chip 2, SDRAM chip 3, acousto-optic instruction 11 is connected, cpu chip 1 is connected with erasable storage chip EEPROM7 by I2C interface, cpu chip 1 is connected with digital regulation resistance chip 8 by I2S interface, digital regulation resistance chip 8 is connected with audio decoder chip 9, audio decoder chip 9 is connected with audio frequency power amplifier chip 10, LSI chip 4 is connected with video encoder chip 6 by CVBS interface, and video encoder chip 6 is connected with camera 12, and power unit is respectively each chip and provides power supply,
Concrete grammar comprises the following steps:
The first step, configuration information point mark picture, represents line number, website number, up-downgoing information by certain color, pattern or numeral in picture;
Second step, for each information point arranges a unique corresponding mark picture, information point title, the voice needing to report, the control action content that needed are carried out associating with corresponding mark picture and is imported by USB flash disk in the FLASH chip 2 in vehicle-mounted automatic station reporting device;
3rd step, vehicle is in operational process, vehicle-mounted automatic station reporting device is constantly from the camera 12 that front part of vehicle is installed, the video pictures of Real-time Obtaining vehicle operating front portion, camera 12 constantly sends the analog video signal collected to video encoder chip 6, these signals are constantly converted into digital signal and pass to LSI chip 4 by video encoder chip 6, cpu chip 1 processes one by one to these pictures, mate with the information point mark picture be stored in advance in vehicle-mounted automatic station reporting device again, if the match is successful, cpu chip 1 transfers voice document in SDRAM chip 3 from FLASH chip 2, and triggered digital potentiometer chip 8 reaches a suitable numerical value, control audio decoder chip 9 simultaneously and solve sound signal, this sound signal is sent into audio frequency power amplifier chip 10, report and indicate the voice messaging that picture is corresponding therewith and complete its corresponding control action prestored, if mate unsuccessful, then continue receiver, video picture and perform the 3rd step all the time.
Power unit includes a series of DC-DC module, is 12VDC, 5VDC, 3.3VDC, 2.5VDC power supply that in device, each chip needs by vehicle-mounted 12VDC or 24VDC voltage transitions.
Claims (2)
1. based on the vehicle information automatic voice broadcast system of image processing techniques, it is characterized in that: include setting vehicle-mounted automatic station reporting device onboard, described vehicle-mounted automatic station reporting device comprises power unit, core board part, interface section, described core board part by cpu chip, and accesses the FLASH chip of cpu chip respectively by data and address bus, SDRAM chip, LSI chip is formed, and described interface section comprises USB driving chip, video encoder chip, erasable storage chip EEPROM, digital regulation resistance chip, audio decoder chip, audio frequency power amplifier chip, acousto-optic indicates, described USB driving chip, acousto-optic instruction is respectively by data and address bus access cpu chip, described cpu chip is electrically connected with erasable storage chip EEPROM by I2C interface, cpu chip is connect by I2S interface and digital regulation resistance chip electrical, described digital regulation resistance chip and audio decoder chip, audio decoder chip and audio frequency power amplifier chip electrical form speech play part, and described LSI chip is connect by CVBS interface and video encoder chip electrical, and video encoder chip is electrically connected with camera, and power unit is respectively each chip and provides power supply,
The vehicle information point automatic information broadcast method of this system, comprises the following steps:
(1) configuration information point mark picture, represents line number, website number, up-downgoing information by certain color, pattern or numeral in picture;
(2) for each information point arranges a unique corresponding mark picture, information point title, the voice needing to report, the control action content that needed are carried out associating with corresponding mark picture and imports in the FLASH chip in vehicle-mounted automatic station reporting device by USB flash disk;
(3) vehicle is in operational process, vehicle-mounted automatic station reporting device is constantly from the camera that front part of vehicle is installed, the video pictures of Real-time Obtaining vehicle operating front portion, camera constantly sends the analog video signal collected to video encoder, these signals are constantly converted into digital signal and pass to LSI chip by video encoder, cpu chip processes one by one to these pictures, mate with the information point mark picture be stored in advance in vehicle-mounted automatic station reporting device again, if the match is successful, cpu chip transfers voice document in SDRAM chip from FLASH chip, and triggered digital potentiometer chip reaches a suitable numerical value, control audio decoder chip simultaneously and solve sound signal, this sound signal is sent into audio frequency power amplifier chip, report and indicate the voice messaging that picture is corresponding therewith and complete its corresponding control action prestored, if mate unsuccessful, then continue receiver, video picture and perform step (3) all the time.
2. the vehicle information automatic voice broadcast system based on image processing techniques according to claim 1, it is characterized in that: described power unit is a series of DC-DC module, vehicle-mounted 12VDC or 24VDC voltage transitions is 12VDC, 5VDC, 3.3VDC, 2.5VDC power supply that in device, each chip needs by DC-DC module respectively.
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| CN201310216452.9A CN103325270B (en) | 2013-06-03 | 2013-06-03 | System and method for vehicle information automatic voice broadcast based on image processing technology |
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| CN201310216452.9A CN103325270B (en) | 2013-06-03 | 2013-06-03 | System and method for vehicle information automatic voice broadcast based on image processing technology |
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| CN104766064A (en) * | 2015-04-13 | 2015-07-08 | 郑州天迈科技股份有限公司 | Method for recognizing and positioning access station and access field through vehicle-mounted video DVR images |
| CN107967918A (en) * | 2016-10-19 | 2018-04-27 | 河南蓝信科技股份有限公司 | A kind of method for strengthening voice signal clarity |
| CN108109417A (en) * | 2017-12-14 | 2018-06-01 | 阜阳裕晟电子科技有限公司 | A kind of vehicle broadcasting method based on image processing techniques |
| CN110147695B (en) * | 2019-05-29 | 2022-10-28 | 郑州天迈科技股份有限公司 | Station signboard for bus station identification and bus station identification system |
| CN114298772A (en) * | 2021-12-30 | 2022-04-08 | 阿波罗智联(北京)科技有限公司 | Information display method, device, equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6407673B1 (en) * | 2001-09-04 | 2002-06-18 | The Rail Network, Inc. | Transit vehicle multimedia broadcast system |
| CN100368776C (en) * | 2004-10-27 | 2008-02-13 | 上海大学 | Bus dynamic positioning and intelligent reporting station system and method |
| CN201498099U (en) * | 2009-08-13 | 2010-06-02 | 南京通用电器有限公司 | Intelligent bus terminal system |
| CN103065498B (en) * | 2012-12-24 | 2016-05-25 | 北京时代凌宇科技有限公司 | Parking stall management method |
| CN203311646U (en) * | 2013-06-03 | 2013-11-27 | 安徽富煌和利时科技有限公司 | Vehicle information automatic voice broadcast system based on image processing technology |
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Address after: High tech Zone in Hefei City, Anhui province 230000 science Road No. 79 Chong Investment Building 9 floor Applicant after: Anhui Science and Technology Co., Ltd. of Fu Huang Hollysys Address before: High tech Zone in Hefei City, Anhui province 230000 science Road No. 79 Chong Investment Building 9 floor Applicant before: Anhui Fuhuang Hollysys Technology Co., Ltd. |
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Address after: High tech Zone in Hefei City, Anhui province 230000 science Road No. 79 Chong Investment Building 9 floor Patentee after: Anhui Fuhuang Polytron Technologies Inc Address before: High tech Zone in Hefei City, Anhui province 230000 science Road No. 79 Chong Investment Building 9 floor Patentee before: Anhui Science and Technology Co., Ltd. of Fu Huang Hollysys |
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Granted publication date: 20150506 Termination date: 20200603 |