中英文资料.docx

1、中英文资料中英文资料system functionreal-time images recorded by the vehiclelicense plate recognition system to provide physical testing of vehicles identified by the two methods and software algorithms, both externally and internally.External use of the principle of electromagnetic induction test vehicle when

2、 the vehicle through the detection coil, the system automatically in real time through the vehicle to capture two images, one for the color panorama, for human eyes to determine visual models, condition and body color; Another one for the front color images for human or machine readable license plat

3、e, catch rate of more than 99% (speed range 0 200KM / H time); no smoke case, during the day and clearly identify the vehicle and the characteristics of the entire body conditions, night and the whole body features of the vehicle license as clear.The internal signal is based on computer vision, mean

4、ing that the visual image signal is extracted from the scene change information to determine whether the vehicle is entering the monitored area, and then start sending signals throughout the system works.automatically save captured images of vehiclesThe saved image as 24-bit true color image, the im

5、age resolution is 768 576 pixels, JPEG compression format; save the image are covered by way of recycling old images automatically overwrite the previous month.car license plate recognition Vehicles on the image captured in real time vehicle license plate recognition, license plate recognition using

6、 advanced computer visual recognition technology to identify ten Arab figures 0-9, AZ Twenty-six upper case letters and related characters, and can identify the black , white, yellow and blue license plate colors. System to identify the line with GA36-92 (92 type license) and GA36.1-2001 (02 type ne

7、w license) standard civilian vehicle licenses and military vehicles, police cars and other special license of the Chinese characters, letters, numbers, colors and other information . No smoke in the environment, the system during the day and the actual license plate recognition results consistent wi

8、th four or more than 95% recognition rate, the night and the actual license plate recognition results consistent with four or more than 95% recognition rate. real-time measurement of vehicles per hour and drivers Can be measured in real time through the vehicles speed, speed range of 5-80Km / h spee

9、d range, the measured speed value and the actual speed value of the error within 3%; in the 80-140Km / h speed range, measured value and the actual speed of the speed error at 5% or less; in the 140Km / h over the speed of the speed values measured value and the actual error rate of less than 8%. Sy

10、stem, the length of the vehicle real-time measurement error was less than 1 m, and the color combination of license plate recognition models can be automatically analyzed, can distinguish between large vehicles, small vehicles and special vehicles and other models. Real-time alarm function Vehicle f

11、or speeding and was stealing the vehicle and traffic hit and run in real time alarm. When the user pre-set by the vehicle exceeds the speed limit, the system can immediately at the scene to sound the alarm to alert staff on duty by a speeding vehicles; the same time the system will automatically tra

12、nsmit alarm information to the monitoring center, the center surveillance. Alarm information including license plate number, vehicle speed, vehicle, vehicles through time, the vehicle pictures.When using the vehicle entered by the user prior robbery and other vehicles or traffic hit and run vehicle

13、license numbers and vehicle information features such as match, the system can immediately at the scene to sound the alarm to alert staff on duty suspicious vehicle through; the same time The system will transmit alarm information to the monitoring center, and 110 or 122 system combines the catch to

14、 escape. Alarm information including license plate number, vehicle speed, vehicle, vehicles through time, the vehicle pictures. Have the data center and the traffic police or public security features for data exchange, and real-time information about the alarm upload vehicle.朗读显示对应的拉丁字符的拼音朗读显示对应的拉丁字

15、符的拼音Vehicle Data Management Through the lens mount system records information on each vehicle, including license plate number, vehicle speed, vehicle, elapsed time, vehicle images, and stored in the database, mount on the past statistical traffic flow information, and provides easy The data search a

16、nd browsing, alarm settings, and operating means. Able by time, speed, vehicle, vehicle license, driving direction and other conditions to find, list display, playback history; a vehicle query statistics, traffic statistics curve printing; with fuzzy queries and precise query capabilities to provide

17、 management for the command center and command data. unique B / S network architecture WEB search function with can be any computer within the network port on the remote query card information through the vehicle, according to time, speed, model, license plate, direction and other conditions, check

18、and print records, and has fuzzy inquiry function. work around the clockThe system can be set data retention time, and can automatically overwrite the image data loop, the system can store images at least 100 million vehicles. Can be no duty, when the system crashes when the case of failure, automat

19、ic restart. The site can be remotely suspected of vehicle parameters, the data on the site for maintenance.Performance Vehicle capture rate: 99% License plate recognition rate: the whole brand recognition rate of 90% 95% over four matches Identification time: 150mS Speed range: 5-180Km / h Speed Err

20、or: 5-80Km / h 3% when 80-120 Km / h 5% when 120 Km / h 10% above Car length error: 10% Image Resolution: 752 582 pixel Color Mode: RGB Compression format: JPEG Image size: 40K or so Cycling image number: two, a panoramic image, a license plate (head) image Data format: After a time the vehicle, lic

21、ense plate number, license plate color, speed, vehicle length, super- Speed record, driving directions, front image, panoramic image Camera Protection class: IP55 Normal working temperature: -30 +80 Working humidity: 95%; Protection class: IP55 compliance standards; Power range: 220V 50Hz 10% System

22、 MTBF: 30,000 hours; Systems Network ArchitectureSystem network architecture as shown above, the system including data servers, user terminals, mount applications and access network of communication. After application of the bayonet mount of all road vehicles to capture, access to vehicle images, au

23、tomatic license plate character recognition in real time, record the elapsed time of vehicles, speed, model, license plate number and direction of the data. Data server for real-time data collection mount system, save vehicle information. Features: expansion can easily mount workstation. bayonet sys

24、tem on the data collected for secondary protection, reducing damage due to the hard disk the risk of data loss, reduce the burden on system memory card port to ensure its stability to work properly. Real-time collection of data server mount the image acquisition system, so the system can not mount a

25、 large hard drive. At the same time as image files small, less disk fragmentation and improve the system stability, disk scanning easier. If the exception is temporarily off the network, mount the system will save the image to the local, waiting for the collection of data server, so ensure that the

26、information collected will not be lost. centralized management of data. All vehicle information (not including pictures) are collected to the database server to facilitate centralized data management and data backup. convenient query. Users can query the statistics, adding police vehicles, to see th

27、e real-time display of the bayonet. flexible networking. According to mount, increasing convenience to reduce the data server, data query server service software upgrades without the need to adjust. mount applications Mount vehicle monitoring and recording system part by the host computer, image acq

28、uisition to capture part of the measurement part of the vehicle detection, automatic control of auxiliary optical parts, power supply parts and components of other applications. Workflow When a car through the bayonet, the sensing device detects the vehicle to reach the signal, the master computer t

29、hrough the rapid capture device to capture images and panoramic images under the front, then the front of image processing, automatic license plate number to identify the character and color, record the vehicle through the time, speed, vehicle length, the front features panoramic images and vehicle

30、images, all possible information uploaded to the center, entry database for queries. Mount weather station for each real-time monitoring of a motor vehicle road in the past, and records of suspicious vehicles and illegal vehicles real-time transmission to the relevant management site. capture part o

31、f the image acquisition Capture part of the image acquisition system for monitoring and control by industrial camera, professional camera lenses, professional digital image Standard installation of camera signal as shown. Then the image in the collection plate accounts for about 1 / 8 width of each

32、lane close-up camera field of view is about 3500 mm, for this application, we specialize in the recognition algorithm has been improved on, so other than characters, letters and numbers on the license plate recognition rate as high, but because of the width of the plate in the image is too small, license plate too few pixels, so that character recognition accuracy will drop, do not ask for recognition of Chinese characters occasions in order to reduce project cost. Drive the camera field of