GV-LPR System Installation Guide for Parking
Contents
1. 5 6 Blur image will decrease the recognition rate Please adjust the setting of camera so that the image is clear The left image below is blurred Focus or electronic shutter should be adjusted so that the image is clear The right image below is clear Blur Clear 5 7 Italic number will decrease the recognition rate Please adjust the location of the camera so that the number of the plate is vertical and not italic The angle of the camera should be small so that the number could be vertical Be careful that most of the back license plates are not placed vertically Italic Vertical 5 8 Non horizontal license plate will decrease the recognition rate Please adjust the angle of the camera This is a very important point for the setting Non horizontal Horizontal2. 2 6 4 2 4 2 8 4 2 9 4 2 10 4 2 11 Install GV LPR capture card in the PCI slot of the PC Install GV LPR software Connect the GV NET to the RS232 port of the PC Connect the GV IO to GV NET by using RS485 connection Connect GV RELAY to the GV IO Connect the detector to the to the GV IO Please do the corresponding setting in the GV LPR software Connect the dry relay contact of the gate or light to the GV RELAY Please do the corresponding setting in the GV LPR software After installation of camera and detectors you may start the GV LPR software If the default license plate size setting is not suitable for your environment please perform the Recognition Setup as indicated in the manual This is a very important step because it sets the normal height and width of the license plate Without correct setting for the license plate may cause the recognition rate to be low If there is more than 1 lane please perform the Recognition Setup for each of the lanes Drive the car to the planned recognition location to trigger the capture and recognition of the license plate The images are stored in the capture folder under the folder GV LPR is installed and images folders named by date plus lane number 4 2 12 You should set the brightness of the image in the GV LPR software so that the license plate is clear but not too bright If the license plate is too bright and let the number of the license plate to be too thin i
3. GV LPR System Installation Guide for Parking 1 Purpose This Installation guide provides guidelines for installation of the PC side and the field side so that the system can provide the best performance The example is an entrance of a car park 2 GV LPR System Architecture Diagram GV LPR SOLUTION Wg Camaras 1 2 4 6 or E hil GV System Vinea GV NET Card RS252 Fis export Moare ovate naaar R5485 Ea Infrared sensor or magnetic field detector i j x Billing System ah GV LPR SYSTEM GV40 USB Box m F Other System Integrati n 3 Devices 3 1 PC Specification Specifications Product Model GV LPR 1 GV LPR 2 GV LPR 4 GV LPR 6 GV LPR 8 Motion mode Motion mode Motion mode IO mode IO mode OR IO mode IOR IO mode OR IO mode NumberofPorts h R 6 Y Be Total FPS 30fps 60fps 120fps 240fps 240fps FPS Camera 30fps 30fps 30fps 30fps 30fps Image Format JPEG JPEG JPEG JPEG JPEG 512 MB x2 512 MB x2 dual DDR2 dual DDR2 RAM RAM RAM app 250 GB or 250 GB or 250 GB or 250 GB or 250 GB or above above above above above GeForce 7300GT ATI Radeon X1650 or above GeForce GeForce GeForce GeForce 6600 6600 7300GT 7300GT ATI Radeon ATI Radeon ATI Radeon ATI Radeon X1550 X1550 X1650 X1650 or above or above or above or above 3 2 GV LPR software The GV LPR software is included in the installation CD Please install the version which is suitable for
4. I O 4 1 9 location the angle between the camera and the recognition location should not greater than 30 degrees For simplicity the distance of the camera to the license plate should be at least 2 times longer from the height of the camera to be setup You may use magnetic loop detector or infrared detector to detect the car If infrared detector is used it is advised to use 2 sets of infrared Set the recognition actions when 2 of the infrared detect at the same time That may prevent from recognizing people passing through the lane The distance between the 2 sets of infrared should be 1 5 meters In this case if the light of the location is not bright enough you may also use the first infrared to trigger the light if needed If the location is not bright enough at night it is suggested to setup lights so that the license plate is clear to be captured If you are going to trigger the light by using sensor please take care so that the light do not let the driver to be uncomfortable when driving Please adjust the lens of the camera so that the width of the license plate is in between 1 3 to 1 5 of the width of the image Near 1 3 is better if possible If the lane is too wide you may draw a rectangle in yellow color for the drivers to identify it as a recognition area If an interphone is needed please install it near the gate besides the location of the driver 4 2 Installation of PC side 4 2 1 4 2 2 4 2 3 4 2 4 4 2 5 4
5. t to use detector to trigger the light please do not use the same relay output point of the detector to trigger the recognition because the light may not be fast enough to be lighted when the camera 4 is going to capture the image LED illumination is suitable for environment where it is not permitted to install visible light LED illumination has to be work with cameras that support LED illumination 3 13 Interphone Please install interphone if the lane is apart from the guard That would provide better service for visitors or when recognition fails Installation 4 1 Installation of camera and field side 4 1 1 4 1 2 4 1 3 The location of recognizing is related to the gate The location of the camera related to location of the recognizing is very important The setup of camera should let the image of the license to be as rectangle as possible and be horizontal Camera can be setup as capture from the upper front of the car or from the side horizontally in front of the lane Be careful not to setup the camera too close to the recognition location That will cause the license plate to be not like a rectangle and horizontal It will lower the recognition rate Capture the back license plate is also possible if the first 2 locations just described is not allowed If the camera is setup from the upper front of the recognition location
6. t will lower the recognition rate Please press the System Configure icon and then press the System Configuration and select Camera to adjust the Brightness and Contrast so that the number is thick enough If it is an outdoor environment please be sure the setting is suitable for most of the weather 4 2 13 Please setup the information of the cars and their owners in the Registered Plates Database 4 2 14 For other detail settings please refer to the user manual 4 2 15 You may start using the GV LPR system now 5 Some points to be take care of 5 1 If you are going to setup the camera by the side of the lane be careful that people walks though may block the view of the license plate 5 2 If you are going to setup the camera by the side of the lane it is prefer to set it horizontally and far enough from the recognition location Other wise the license may not be horizontal rectangle in the image 5 3 If you are going to capture the license plate from the back of the car be careful that the license plate may be too bright when there is a car following it at night with its light is on 5 4 If the lane is wide enough for 2 directions and infrared is used be careful of the problem of wrong trigger that may occur when 2 cars go through at the same time 5 5 If the system is install in the outdoor please avoid the direction of East to West to prevent the influence of the sun light during the sunrise and sunset
7. your country 3 3 GV LPR video capture card Each camera provides 30 fps video for better performance 3 4 GV NET Card Needed for I O Detection Mode RS232 to RS485 converter Used to connect to GV IO USB box 3 5 GV IO USB box Needed for I O Detection Mode It can be connected to detectors to sense the arrival of vehicles 3 6 Detector Needed for I O Detection Mode To detect the arrival of vehicles It should be connected to GV IO USB box Magnetic loop detector or Infrared detector 3 7 PC speaker Can be used to notify guards when the license plates are identified as guest or when recognition fails 3 8 Camera and lens Should provide the function of depressing strong light of the cars Designed for LPR usage Soco i i Effective picture elements 771x492 Min TV lines of horizontal resolution Auto Electronic Shutter 1 60 1 100 000 sec 3 9 Camera bracket If the camera is setup at one side of the lane you should choose the camera bracket which can be adjusted in 3D freedom so that the image of the license plate can be adjusted to be horizontal Otherwise if the camera is setup at the upper front of the recognition location normal camera bracket can be used 3 10 Camera housing Camera should be installed inside a camera housing 3 11 Stand for camera If the camera is installed in the outdoor camera stand must be setup to put the camera 3 12 Light LED Please set up lights if the location is not bright enough If you wan
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