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License Plate Recognition (LPR)

QUICK REFERENCE GUIDE

PRE-INSTALLATION

CONFIGURING

YOUR CAMERA

CONFIGURE LPR

APPLICATION

1

3

4

2

INSTALLING AND

POSITIONING CAMERA

This product MUST be installed by a certified Hanwha STEP Partner!

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Содержание Wisenet LPR

Страница 1: ...e Recognition LPR QUICK REFERENCE GUIDE PRE INSTALLATION CONFIGURING YOUR CAMERA CONFIGURE LPR APPLICATION 1 3 4 2 INSTALLING AND POSITIONING CAMERA This product MUST be installed by a certified Hanwha STEP Partner ...

Страница 2: ... Observing Proper Installation 3 5 Examples of Improper Install 3 6 Verify Plate Rotation is Correct 4 CONFIGURE LPR APPLICATION 4 1 Optimizing the LPR Application Settings 4 2 Adjusting the Zoom Level 4 3 Fine Tuning Settings Check for Character Height Threshold Adjust for Plate Text Contrast Plate Correction Settings 2 INSTALLING AND POSITIONING CAMERA 2 1 Camera Installation 2 2 Adjust for Plat...

Страница 3: ...d Distance 20º Forward Distance Offset A B 0 20º 40 Maximum Forward Distance Maximum Vertical Angle 20º Maximum Horizontal Angle A Measure Offset B Measure Forward Distance 20º Forward Distance Offset A B 0 20º 45 Maximum Forward Distance Maximum Vertical Angle 20º Maximum Horizontal Angle Recommended 20 degrees Maximum Vertical Angle 40 feet Maximum Forward Distance Recommended 20 degrees Maximum...

Страница 4: ...era Height min and max expected A Lane Offset B Forward Distance C Camera Height Forward Distance Lane Offset A Camera Height B C Chart Your Measurements Here 1 3 Checking Camera Position The diagram and tables on page 4 illustrate recommended locations based on known offsets Verify that the camera height and forward distance indicated by orange dots fall within the measurements you took in previo...

Страница 5: ...E OFFSET 10 LANE OFFSET 10 LANE OFFSET PLEASE READ CAREFULLY Distances Measured in Feet The orange dots on the tables below are recommended installation measurements If your measurements differ greatly from those represented on the table such as for installations that fall somewhere between the offset forward distance or height shown please consult Detailed LPR Install Tables article in the Hanwha...

Страница 6: ... or XNV 6120R installation guide and follow the installation instructions 2 2 Adjust for Plate Rotation Angle For best results check the angle of your plate compared to the horizontal angle and rotate the camera to less than 3 as shown below Recommended Angle s 3 Recommended Angle s 3 ...

Страница 7: ...d to access the camera settings are 1 User Name admin 2 Password Same as the MAC Address of the unit numbers and uppercase letters only 3 Please change the default password at the first instance when you access the camera settings 4 Make sure to set correct date and time for the camera before going in to any additional settings 3 2 Simple Focus on Plate Read Area A unique feature of this camera al...

Страница 8: ...er 1 500 1 120 Anti Flicker OFF OFF SSNR OFF OFF Iris DC Auto DC Auto AGC Low In step 4 Middle DAY NIGHT Set the day night mode always in b w Mode B W B W SPECIAL DIS OFF Digital Image Stabilization is not applicable for LPR settings OFF Digital Image Stabilization is not applicable for LPR settings Sharpness OFF OFF Gamma 0 45 0 45 Contrast 50 50 Color Level 50 50 Defog OFF OFF OSD You can displa...

Страница 9: ...sharp and the license plate should pass near the center of the image Fig 1 Fig 2 3 3 Continued FREE FLOW Plate read while moving up to 35MPH STOP N GO Plate read while stopped FOCUS Mode Manual Manual Digital Zoom OFF OFF Zoom Mode Manual Manual Zoom Speed Fast Fast Lens Reset Manual Manual IR Built in ir light helps to illuminate reflective plates specially when the environment has low light cond...

Страница 10: ...Too Far Washed Out and Over Exposed Car Too Fast Not Zoomed in Cut oﬀ Not Zoomed In Too Dark Not Focused 3 5 Examples of IMPROPER Installation ...

Страница 11: ... rotated the camera less than 3 angle as shown below 3 Recommended Angle s 3 4 CONFIGURE LPR APPLICATION 4 1 Optimizing the LPR Application Settings LPR application is an open platform application pre installed and licensed along with the camera 1 Connect to camera browser through the Open Platform 2 Go to App 3 Click Start 1 2 3 ...

Страница 12: ...Navigate to the Setup tab as shown Configure OCR Settings as follows and observe the read accuracy as the cars pass through Character height Min 20 Character height Max 30 Threshold 70 Plate color Dark Text on light background Double line Plate Disabled A B C ...

Страница 13: ...the Plate Height gauge and C Pixels captured are 25 This is a 100 accurate read Your target should be anything from 90 100 threshold for a reliable read If the readings are not within these guidelines refer back to sections 2 and 3 for further adjustments Example of Good Read Example of Bad Read 4 2 Adjusting the Zoom Level Using the Dial pointer on the Plate Height gauge zoom in out and observe t...

Страница 14: ... is 20 pixels C Threshold will allow to cutout readings with weak confidence in order to avoid fake readings Note this may make some plates that are read partially to be missed A bright clear and well sized plate image generate a score 100 A misreading will fall below 50 A good initial setting for the threshold is 70 You may adjust these values to optimize the readings in your installation 4 3 Fin...

Страница 15: ...rtion corrections Perspective or Rotation Choose for the dominant image distortion if any Otherwise select none to preserve camera CPU resources Double line plate If enabled will allow OCR to read plates split over 2 lines which may not be applicable to US number plates After changing the parameters click on apply to confirm the changes After changing the parameters click on Apply to confirm the c...

Страница 16: ... without formal authorization of HanwhaTechwin Co Ltd Wisenet is the proprietary brand of Hanwha Techwin formerly known as Samsung Techwin Hanwha Techwin America 500FrankW BurrBlvd Suite43Teaneck NJ07666 TollFree 1 877 213 1222 Direct 1 201 325 6920 Fax 1 201 373 0124 www hanwhasecurity com For more information visit us at HanwhaSecurity com This product must be installed by a certified Hanwha STE...

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