License Plate Recognition June 25, 2010 Created by Castaly / Andy Chen.
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Transcript of License Plate Recognition June 25, 2010 Created by Castaly / Andy Chen.
![Page 1: License Plate Recognition June 25, 2010 Created by Castaly / Andy Chen.](https://reader035.fdocuments.in/reader035/viewer/2022062804/56649eca5503460f94bd9060/html5/thumbnails/1.jpg)
License Plate Recognition
June 25, 2010
Created by Castaly / Andy Chen
![Page 2: License Plate Recognition June 25, 2010 Created by Castaly / Andy Chen.](https://reader035.fdocuments.in/reader035/viewer/2022062804/56649eca5503460f94bd9060/html5/thumbnails/2.jpg)
LPR
• Guideline• Introduction• System Structure• Criteria• Dongle Types• GV-DSP LPR• GV-IRCam• Features• GV-LPR Center• Advance Section - Demo• Summary / Case Study• FAQ
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• Guideline for LPR
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LPR-0LPR-0
IntroductionIntroduction
LPR
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• 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
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Introduction
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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
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For Parking Lots
• Integration with
TICKETING system
• Integration with Video
Surveillance
• Parking management
LPR + DVR
Introduction
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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
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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
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For Toll Collection
LPR + Center
• Police Enforcement • Integration with TOLL system• Average Speed/ Journey Time
calculation
Introduction
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System StructureSystem Structure
LPR
LPR-01LPR-01
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• System Structure for LPR
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LPR-02LPR-02
LPR
CriteriaCriteria
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• 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
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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
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• Minimum Third-Party IRCam Requirement
Criteria
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Criteria
• Tips for setup the IR cameras– Camera is up-front, Check diagram
below
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• Tips for setup the IR cameras– If your camera is aside, ensure your
side angle is smaller than 15 degree. Check diagram below
Criteria
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• Recognition Pixel Requirement – License plate must be 32 pixel
heights
Criteria
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LPR-03LPR-03
LPR
Dongle TypesDongle Types
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Dongle Types
• LPR Dongles– Pure LPR software dongle ( Black )– LPR ONLY ( Blue )– LPR with DVR ( Blue )
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• Pure LPR software dongle ( Black )– Support up to 8 lanes– ONLY accept IP video source
from GV-DSP LPR device
Dongle Types
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• 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
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• 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
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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
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LPR-04LPR-04
LPR
GV-DSP LPRGV-DSP LPR
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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
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• 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
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• 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
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LPR-05LPR-05
LPR
GV-IRCamGV-IRCam
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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
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• 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
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• 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
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LPR-06LPR-06
LPR
FeaturesFeatures
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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
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• 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
![Page 38: License Plate Recognition June 25, 2010 Created by Castaly / Andy Chen.](https://reader035.fdocuments.in/reader035/viewer/2022062804/56649eca5503460f94bd9060/html5/thumbnails/38.jpg)
• 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
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• 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
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• PC-based LPR – Engine country setting
( Supported Engine as below. )
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• 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
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• PC-based LPR– Virtual I/O
• Use for GV-DSP LPR’s I/O• Use for GV-I/O box
Features
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• 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
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• 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
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• 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
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LPR-07LPR-07
LPR
GV-LPR CenterGV-LPR Center
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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
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LPR
Advance Section – DemoAdvance Section – Demo
LPR-08LPR-08
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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
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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
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Summary / Case StudySummary / Case Study
LPR-09LPR-09
LPR
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• Product Review
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• Case Study
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F&QF&Q
LPR