License Plate Recognition

June 25, 2010

Created by Castaly / Andy Chen

LPR

• Guideline• Introduction• System Structure• Criteria• Dongle Types• GV-DSP LPR• GV-IRCam• Features• GV-LPR Center• Advance Section - Demo• Summary / Case Study• FAQ

• Guideline for LPR

LPR-0LPR-0

IntroductionIntroduction

LPR

• What is LPR?

– LPR refers that involves reading text from digital pictures of vehicle license plates, translating the images into a form that the computer can manipulate and then comparing the license plate content with its own database

Introduction

Introduction

GV-LPR/ ANPRTotal Solution

LPR+ DVR for Parking Lots

LPR+ DVR+ Center for Petrol Stations

LPR+ GPS for Mobile Vehicle LPR+ Center for Toll

Collection

Introduction

For Parking Lots

• Integration with

TICKETING system

• Integration with Video

Surveillance

• Parking management

LPR + DVR

Introduction

For Petrol Stations

LPR + DVR + Center

• Alarm while detecting Drive-offs

• Synchronize black list to all Petrol

Station Chains

• Video evidence for drive-off event

Introduction

For Mobile Vehicles

LPR + GPS

• Viewing vehicles on e-MAPs (supports Google map & Microsoft Virtual Earth)

• Recognized vehicle location

traceable

• Detect black list vehicles

Introduction

For Toll Collection

LPR + Center

• Police Enforcement • Integration with TOLL system• Average Speed/ Journey Time

calculation

Introduction

System StructureSystem Structure

LPR

LPR-01LPR-01

• System Structure for LPR

LPR-02LPR-02

LPR

CriteriaCriteria

• When integrated LPR v3.1 with DVR, DVR version must be v8.32

• When integrated LPR v3.12 with DVR, DVR version must be v8.34

• DVR’s Live view resolution must be half D1 or higher

• Hardware compression cards, GV-2004 / GV-2008 / GV-4008,are not supported with LPR integration

• Minimum PC Spec• Minimum the third-party IRCam

requirement• Tips for setup the IR cameras• Recognition Pixel Requirement

Criteria

SPECIFICATIONS

Models GV-LPR-1 GV-LPR-2 GV-LPR-4 GV-LPR-6 GV-LPR-8

Number of Lanes 1 2 4 6 8

CPU

Core2 DuoIntel

Core2 QuadIntel

Core2 Quad Intel i7920 Intel i7920

E6300 1.86 GHz

Q6600 2.4 GHz

Q6600 2.4 GH 2.67 GHz 2.67 GHz

OSSupported

Windows 2000 / Windows XP / Windows Server 2003 / Windows Vista

(Not support 64-bit version of Windows)

HDD 250 GB 250 GB 250 GB 250 GB 250 GB

RAMDDR2 1GB

DDR2 2GB

DDR2 2GB

DDR3 1333 2GB

DDR3 1333 2 GB

• PC Specification

• Minimum Third-Party IRCam Requirement

Criteria

Criteria

• Tips for setup the IR cameras– Camera is up-front, Check diagram

below

• Tips for setup the IR cameras– If your camera is aside, ensure your

side angle is smaller than 15 degree. Check diagram below

Criteria

• Recognition Pixel Requirement – License plate must be 32 pixel

heights

Criteria

LPR-03LPR-03

LPR

Dongle TypesDongle Types

Dongle Types

• LPR Dongles– Pure LPR software dongle ( Black )– LPR ONLY ( Blue )– LPR with DVR ( Blue )

• Pure LPR software dongle ( Black )– Support up to 8 lanes– ONLY accept IP video source

from GV-DSP LPR device

Dongle Types

• LPR ONLY ( Blue )– Support 1 / 2 / 4 / 6 / 8 Lanes– Video source

• GeoVision Capture Card• IP device ( Starting with v3.1 )• AVI files• DSP LPR

– Recognition mode• By I/O , Motion or hot key

Dongle Types

• LPR with DVR ( Blue )– Support 1 / 2 / 4 / 6 / 8 Lanes– Video source

• IP device ( Starting with v3.1 )• DSP LPR

– Recognition mode• By I/O , Motion or hot key

– Support Playback

Dongle Types

LPR with DVR LPR Only LPR S/W

Number of Lanes 1/2/4/6/8 1/2/4/6/8 8

Video Source

DVR O N/AN/A

Capture Card N/A ON/A

IP Device(Support from

V3100 )O O N/A

Avi file N/A O N/A

DSP LPR O O O

Recognition Mode

I/O Detection O O N/A

Motion Detection O O N/A

Hot Key O O N/A

Playback O N/A N/A

• GV-LPR Comparison Chart

Dongle Types

LPR-04LPR-04

LPR

GV-DSP LPRGV-DSP LPR

GV-DSP LPR

• Linux based• Support 1 Lane• Can be trigger by I/O or

Motion• TV-out• SD card slot

– Store recognition image– Backup office data when

connecting to the LPR Center or GV-LPR system

• Support UMTS

• 4 inputs and 4 outputs

• Support WaterMark

• Compatible with PC-based LPR or GV-LPR Center

• Support up to 8 GV-DSP LPR in PC-based LPR

GV-DSP LPR

• DSP LPR Web Interface– Display date / time of

recognition result– Snapshot, AVI file, firmware

upgrade– Only D1 or CIF for Live view

resolution with limited frame rate selection

– Act as FTP server– IP Filter, max 4 IP address

GV-DSP LPR

LPR-05LPR-05

LPR

GV-IRCamGV-IRCam

GV-IRCam

• GV-IR cameras ( 10 / 20M) – 570 TV line– Use for reflective License Plates – Suggested distance between GV-

IR camera to the license plate as follow

• GV-IRCam 10 M 7 ~15 meters• GV-IRCam 20 M 15 ~25 meters

– Lens Focal Length• GV-IRCam 10 M 5 ~ 50 mm• GV-IRCam 20 M 10 ~ 120 mm

• GV-IR cameras ( 10 / 20M)– Build-in IR led illuminator

• GV-IRCam 10 M 12 high-efficiency reflex LED ( 20 m between object of view reflecting IR light)

• GV-IRCam 20 M 24 high-efficiency reflex LED ( 30 m between object of view reflecting IR light)

– IP66 standard– Optimized image for bright sunlight,

deep shadow, night view and the license plates, which contain background.

GV-IRCam

• GV-IR cameras ( 10 / 20M)– If clients would like to use the

third party IR cameras, here are the min. requests.

• 550 TV lines or higher• ½”CCD or 1/3” CCD sensor• Adjustable shuttle speed up to

1/2000• Need IR filter if license plates with

backgound

GV-IRCam

LPR-06LPR-06

LPR

FeaturesFeatures

Features

• PC-based LPR – Support IP Camera integration– Support DVR or NVR integration– Recognition PIP verse Overview

PIP• Demo how to add an IP camera

and integrate DVR into LPR software

• PC-based LPR – Explain Mismatch mode with a

fuzzy match• Compare recognition result with

registered database (hostlist), replace misrecognized/ missing character by registered car plate

Features

• PC-based LPR – Export recognition results (car

plate number, recognition time, stay time, drive direction.. etc.) through RS232/ TXT file

• Synchronize/ import ODBC compliant databases; Export recognized databases to MDB file

• Provide SDK for system integration (parking, ticketing, access control, weighing, toll collection system.. etc)

Features

• PC-based LPR – Demo how to setup a counter

• Count the traffic flow• Count free space in parking lot

– Alarm definition Setting• Setup alert for certain type of

group, such as register, visitor, unrecognized, overstay registered, overstay visitor and self-defined group.

Features

• PC-based LPR – Engine country setting

( Supported Engine as below. )

• PC-based LPR – Alarm definition Setting

• Users can also define which kind of alarm they would like to trigger.

– Save image as Jpeg ( 320x240, 720x480 or resolution

by source )– Notify message on live view– Notify sound from LPR PC itself– I/O trigger– SMS– Email

Features

• PC-based LPR– Virtual I/O

• Use for GV-DSP LPR’s I/O• Use for GV-I/O box

Features

• PC-based LPR – Video Play Setting

• Connect DVR for remote playback service

• Playback though quick search or remote viewlog

• Demo how to playback the video files

Features

• PC-based LPR – Speed Setting

• Calculate the average speed of vehicles

• Average speed can be based on– Single lane point to single

lane point– Single lane point to multiple

lane points– Multiple lane points to a

single lane point– Multiple lane points to

multiple lane points

• Demo how to setup the average speed

Features

• PC-based LPR– Overstay Setting

• Setup the overstay threshold alarm for register and visitor

• Export overstay log and snapshot in mdb format ( By default, it saved under C:\LPR\RecogFiles )

• Export NON-overstay log and snapshot in mdb format

Features

LPR-07LPR-07

LPR

GV-LPR CenterGV-LPR Center

GV-LPR Center

• No need for dongle• Central monitoring application• Support up to 255 channels over

TCP/IP (from GV-LPRs/ DSPs)• Synchronize registered plate

database to GV-LPR clients• Receive or store recognition

results, images and overview images from GV-LPR clients

LPR

Advance Section – DemoAdvance Section – Demo

LPR-08LPR-08

1) How to configure video source from Capture Card?

2) How to configure video source from DVR?

3) How to configure video source from Compact DVR?

4) How to setup Video Play Setting?

5) How to create an account and assigned as register group in Registered Plate database?

6) How to setup the counting in PC based LPR?

7) How to setup P/P or Overview?

Advance Section - Demo

AS-H052

8) How to setup recognition by hotkey or by motion in PC-Based LPR?

9) How to configure video source GV-DSP LPR V2?

10) How to record a recognition result on SD card in GV-DSP LPR V2?

11) How to connect PC based LPR with GV-LPR Center?

12) How to sync the database from GV-LPR Center to a PC-Based LPR?

13) How to use ftp or remote access in GV-LPR Center?

Advance Section - Demo

Summary / Case StudySummary / Case Study

LPR-09LPR-09

LPR

• Product Review

• Case Study

F&QF&Q

LPR