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Aras HikVision ANPR DS-2CD4A26FWD-IZSWG-P, Быстрое руководство

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Hikvision ANPR Configuration – Quick guide

 

 

  

 

23/26

 

Version 1.0 – Jasper Johansen – 13.03.2019 – ARAS Security A/S 

 

5.4   License plate width 

 

 

 

Solution:

 It seems the license plate is well lit and readable by eye. However, if 

we measure full frame in photoshop (or Paint), we see that ANPR width is 

under 90 pixels which is not enough. License plate width in the frame should 

be increased and be at least 130 pixels 

 

 

5.5   Low sharpness 

 

 

 

Analysis:

 With proper sharpness value, license plate number can be clear. 

Содержание HikVision ANPR DS-2CD4A26FWD-IZSWG-P

Страница 1: ...ick Guide HikVision ANPR Camera DS 2CD4A26FWD IZSWG P Configuration of Automatic Number Plate Recognition ANPR via WEB Version Ændring Udført af 1 0 Første version Jasper Johansen 1 1 Mindre korrektioner ...

Страница 2: ... 11 2 3 Optional Overlay Content Configuration 13 2 4 Real time LPR License Plate Reading Result 13 3 Result Query 15 4 Parameter Recommendation 16 4 1 Exposure Settings 16 4 2 Day Night Switch 17 4 3 Backlight Settings 19 5 FAQ 19 5 1 License Plate Tilt Angle 20 5 2 Depth of focus 21 5 3 Lighting 22 5 4 License plate width 23 5 5 Low sharpness 23 5 6 Insufficient light 24 5 7 High Exposure Time 2...

Страница 3: ...captured picture to a FTP server Connected to a NOX system via the Wiegand interface the license plate will be converted to a card number and can be used for access control 2 Web Configuration Use the SADPTool https www hikvision com en Support Downloads Tools to setup IP address and password Login to the IP Camera IPC via a web browser e g Internet Explorer and make sure the firmware version supp...

Страница 4: ...ration System VCA Resource Select Vehicle detection as the VCA resource and reboot the device to activate the new setting NOTE When Smart Event is enabled the Vehicle Detection function is disabled When Vehicle detection is enabled high framerate recording on SD card certain smart events and people counting are not supported Figure 2 VCA Resource Allocation 2 Then go to the Advanced Configuration ...

Страница 5: ...asper Johansen 13 03 2019 ARAS Security A S Figure 3 Enable Vehicle Detection 3 Then Select the number of lanes and your region in the corresponding dropdown list Up to 4 lanes and three kinds of regions are selectable Figure 4 Select number of lanes and Region ...

Страница 6: ...detection area or the area of interest NOTE Only 1 license plate can be captured at the same time for each lane 5 For high accuracy rate it is necessary to set the maximum and minimum size of the license plates Manually take a snapshot with the camera when the license plate appears in the detection area and then measure the width in pixels as shown in figure 4 Figure 5 How to measure a license pla...

Страница 7: ...d not exceed 3x minimum plate width CIS Region Minimum acceptable plate width 150 pixel or 100 pixels for two row plates Maximum plate width should be at least 2x minimum plate width and not exceed 3x minimum plate width 6 Select mode of vehicle detection in the dropdown list Figure 7 Vehicle Detection Mode Settings City Street The license plate information will be uploaded after vehicle leaves th...

Страница 8: ...set the time interval between detecting vehicle and uploading of the license plate information The interval should be in the range between 0ms to 15000ms Figure 8 Time Interval Settings 7 Optional Arming Schedule is set to 24 7 always on by default and can be modified if necessary Figure 9 Arming Schedule Configuration ...

Страница 9: ...dule to other days Click the OK button to save the settings Figure 10 How to copy the Arming Schedule Note The time of each period cannot overlap 8 Optional Set the Linkage Method By default the Triggering Source is checked to include All Whitelist Blacklist and Other You can also uncheck All and select a source in the dropdown list Figure 11 Triggering Source Configuration ...

Страница 10: ...such as Upload to FTP and Trigger Alarm Output can be selected Figure 12 Notify Surveillance Upload to FTP Configuration Notify Surveillance Center Send an exception or alarm signal to remote management software when an event occurs Upload to FTP Save pictures directly to a FTP server After checking the Upload to FTP box you have to setup the FTP server information on the camera ...

Страница 11: ...gs 2 2 Uploaded Picture Configuration 1 Set the picture quality Either Picture Quality or Picture Size can be set to specify the picture quality 2 Optional Enable and edit the text overlay on the uploaded picture 3 Select the information for the text overlay by checking the boxes Camera no Camera info Device No Capture Time Plate No You can also click the up and down arrows to adjust the sequence ...

Страница 12: ... A S Figure 14 Uploaded Picture Configuration 4 Optional Select Custom to set the Picture Name Here you select which information should be included in the text overlay including Capture Time Plate No Alarm Type and Camera Name Use the arrows to adjust the sequence Figure 15 Picture Name Configuration ...

Страница 13: ...Edit the content of the Device No Camera No and Camera Info in the corresponding text fields 2 Click the Save button to activate settings Figure 16 Overlay Content Configuration 2 4 Real time LPR License Plate Reading Result Go to Real time LPR Result to see real time captured license plate pictures and information including Capture Time Plate No Captured Picture Country Lane and Direction ...

Страница 14: ...Hikvision ANPR Configuration Quick guide 14 26 Version 1 0 Jasper Johansen 13 03 2019 ARAS Security A S Figure 17 Real time LPR Result ...

Страница 15: ...hansen 13 03 2019 ARAS Security A S 3 Result Query Go to Playback Download pictures and select the Vehicle Detection option Here you can search for license plate pictures and information on the SD card Figure 18 Search for License Plate Pictures Figure 19 Search Results ...

Страница 16: ...u need to set the suitable image parameters For ANPR you can select Road in the Mounting Scenario dropdown list to set the suitable ANPR parameters automatically Figure 20 Mounting Scenario Setting You can also set the parameters manually Here are some parameter recommendations 4 1 Exposure Settings Iris Mode Auto Auto Iris Level 50 Exposure Time 1 1000 Gain 20 ...

Страница 17: ...e settings Entrance Exit Low speed 30m h Exposure time 1 150 1 200 Street Medium speed 30 60kmh h Exposure time 1 250 1 500 Road High speed 60km h Exposure time 1 500 1 1000 For Gain to ensure high recognition rate When WDR is set to OFF gain level should be set to less than 30 When WDR is set to ON gain level should be set to less than 50 4 2 Day Night Switch Day Night Switch Auto Sensitivity 4 F...

Страница 18: ... camera stays on night mode Auto The camera switches between day mode and night mode according to the illumination automatically Schedule Set the start time and the end time to define the duration for day night mode Triggered by alarm input The mode is triggered by alarm input and you can set the triggered mode to day or night Triggered by video The camera switches between the day mode and the nig...

Страница 19: ...Hikvision ANPR Configuration Quick guide 19 26 Version 1 0 Jasper Johansen 13 03 2019 ARAS Security A S 4 3 Backlight Settings BLC Area OFF WDR OFF 5 FAQ The troubleshooting flowchart is like this ...

Страница 20: ...R Configuration Quick guide 20 26 Version 1 0 Jasper Johansen 13 03 2019 ARAS Security A S 5 1 License Plate Tilt Angle Solution Notice the license plate tilt angle License plate tilt angle must be within 5 degrees ...

Страница 21: ...3 03 2019 ARAS Security A S 5 2 Depth of focus Solution Notice the focus distance of the camera The car with a green frame will be detected and other cars will not Adjust the focus distance to a proper degree In these examples you can adjust the focus distance or shutter speed ...

Страница 22: ...uick guide 22 26 Version 1 0 Jasper Johansen 13 03 2019 ARAS Security A S 5 3 Lighting Solution License plate is overexposed image parameters should be adjusted You can either adjust the shutter speed or disable IR LED for the night ...

Страница 23: ...seems the license plate is well lit and readable by eye However if we measure full frame in photoshop or Paint we see that ANPR width is under 90 pixels which is not enough License plate width in the frame should be increased and be at least 130 pixels 5 5 Low sharpness Analysis With proper sharpness value license plate number can be clear ...

Страница 24: ...ecurity A S 5 6 Insufficient light Analysis Recognition performance is degraded with insufficient light The camera must be set to night mode and infrared light should be used 5 7 High Exposure Time Solution Set the exposure time to 1 250 1 500 or 1 1000 depending on vehicle speed and lighting ...

Страница 25: ...Hikvision ANPR Configuration Quick guide 25 26 Version 1 0 Jasper Johansen 13 03 2019 ARAS Security A S 6 Supported Countries ...

Страница 26: ...Hikvision ANPR Configuration Quick guide 26 26 Version 1 0 Jasper Johansen 13 03 2019 ARAS Security A S ...

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