WO2004027730A1 - Vehicle licence plates monitoring system - Google Patents
Vehicle licence plates monitoring system Download PDFInfo
- Publication number
- WO2004027730A1 WO2004027730A1 PCT/IT2003/000558 IT0300558W WO2004027730A1 WO 2004027730 A1 WO2004027730 A1 WO 2004027730A1 IT 0300558 W IT0300558 W IT 0300558W WO 2004027730 A1 WO2004027730 A1 WO 2004027730A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- license plates
- mobile surveillance
- mobile
- surveillance unit
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 13
- 238000013500 data storage Methods 0.000 claims description 3
- 238000002329 infrared spectrum Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
- G08G1/054—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding vehicles
Definitions
- the present invention relates to a territorial surveillance and/or security control system based on monitoring vehicle license plates.
- Vehicle license plate monitoring is used in a wide range of applications, foremost of which include: local (e.g. city) traffic speed control; controlling access to supervised areas (e.g. parking lots) or restricted traffic areas (RTA) ; road pricing; and highway security control, e.g. monitoring traffic through automatic toll systems (telepass) , service areas, etc.
- local e.g. city
- supervised areas e.g. parking lots
- restricted traffic areas RTA
- road pricing e.g. monitoring traffic through automatic toll systems (telepass) , service areas, etc.
- highway security control e.g. monitoring traffic through automatic toll systems (telepass) , service areas, etc.
- Vehicle license plates can be monitored using either portable devices, e.g. installed in vehicles or along the edge of the road, or permanent devices, e.g. installed overhead on poles close to the road.
- Figure 1 shows a block diagram of a territorial surveillance and/or security control system in accordance with the present invention
- Figure 2 shows an architectural diagram of a license plate reading device forming part of the Figure 1 system
- Figure 3 shows a preferred arrangement of a binocular sensor device forming part of the Figure 2 license plate reading device;
- Figure 4 shows a preferred pickup configuration of the Figure 3 binocular sensor device.
- System 1 substantially comprises: a number of mobile surveillance units hereinafter referred to simply as Patrols 2 - for reading vehicle license plates and generating alarms;
- Control Centre 3 a permanent remote surveillance centre hereinafter referred to simply as Control Centre 3 - which communicates by radio with Patrols 2 to locate Patrols 2; to update the wanted-plate list; to gather, file, and consult the license plates reported by Patrols 2; and to handle Patrol-generated alarms.
- each Patrol 2 comprises a car 4 - in this case, a police car - equipped with an on- vehicle navigation system 5; and a license plate reading device 6 on car 4 and communicating with on-vehicle navigation system 5, which controls on-line communication with Control Centre 3, displays, on its own display, the on-patrol license plate readings taken by Patrol 2, and transmits any alarms (wanted-vehicle license plates) .
- license plate reading device 6 may, for example, be connected to on-vehicle navigation system 5 via an RS 232 serial port, and on-vehicle navigation system 5 communicates by radio with Control Centre 3 via a GSM/GPRS module 7, to which it can be connected via an RS 232 serial port.
- each license plate reading device substantially comprises an integrated miniaturized binocular sensor device 8 housed in a cylindrical housing 9 ( Figure 3) fitted to the roof of the Patrol 2 vehicle and so sized as not to affect the functional characteristics of car 4; and an on- vehicle processing unit (ECU) 11 connected to binocular sensor device 8 and housed, for example, in the boot (not shown) of car 4.
- ECU on- vehicle processing unit
- Binocular sensor device 8 substantially comprises two - one right and one left - digital microcameras 12 for picking up vehicle license plates to the right and left of Patrol 2, and each having an optical filter 13 in the close-to-infrared spectrum, which attenuates light, even in full-sun conditions, but provides for greater stability when taking automatic readings.
- any external lighting conditions which, as is known, vary widely and unpredictably from a few lux in the shade, in tunnels, and at night, to over 100 Klux with full sun at the rear - each microcamera is provided with a LED lighting device 14, which is pulse-operated with very short, programmable exposure times, and is synchronized with the acquisition system of relative digital microcamera 12.
- the flash emitted by LED lighting device 14 is therefore simultaneous with and of the same duration as the exposure time of digital microcamera 12 to ensure maximum pickup efficiency; the beam emitted by LED lighting device 14 is selected in the close-to-infrared range to reduce ambient light interference, and solutions with 730 and 810 nanometer LED's are possible.
- each digital microcamera 12 i.e. the brightness level at which an image is acquired by each microcamera 12 , is varied cyclically between three operating conditions:
- each digital microcamera 12 is located to cover a roughly three-metre lateral area of the vehicle, the focal plane of digital microcamera 12 is located roughly six metres in front of Patrol 2, and the field depth of digital microcamera 12 is roughly four metres.
- the on-vehicle processing unit 11 of license plate reading device 6 comprises two image acquisition and processing devices (Smart Readers) 15, each connected to a respective digital microcamera 12 to acquire the images picked up l by digital microcamera 12 and extract character strings from the license plate readings; two lighting control devices 16, each connected to a respective LED lighting device 14 to time and synchronize light emission by LED lighting device 14 as described previously; a data storage device (Hard Disk) 17 for storing reading data, comprising images, license plate reading character strings, date and time, and reading georeference data from the satellite navigation system; a communication device (wireless LAN bridge) 18 for transmitting license plate readings to the Control Centre over a wireless LAN communication network and a corresponding communication device (not shown) at the Control Centre; and an Ethernet LAN network 19 connecting the various parts of on-vehicle processing unit 11.
- Smart Readers Smart Readers
- a respective digital microcamera 12 to acquire the images picked up l by digital microcamera 12 and extract character strings from the license plate readings
- Each license plate reading device 6 may comprise an optional third colour microcamera 20 (for this reason, shown by the dash line) installed in the passenger compartment of the vehicle, preferably on the rear-view mirror, and connected to data storage device 17 (or to l an optional videorecorder in the boot of the vehicle) to videorecord particular scenes ahead of the vehicle; and a personal computer 21 connectable to Ethernet LAN network 19 for special functions.
- an optional third colour microcamera 20 for this reason, shown by the dash line
- data storage device 17 or to l an optional videorecorder in the boot of the vehicle
- personal computer 21 connectable to Ethernet LAN network 19 for special functions.
- On-vehicle processing unit 11 performs the following operations:
- Control Centre 3 substantially comprises two sections or stations logically, though not necessarily, physically separate and communicating over a LAN network; a patrol radio- location station 22 for locating by radio and communicating with Patrols 2 via a GSM/GPRS module 23; and a license plate control station 24 for updating the wanted-plate list, for gathering, filing and consulting the license plates picked up by Patrols 2, and for l handling Patrol-generated alarms.
- License plate control station 24 also provides for displaying an image of the vehicle corresponding to the identified plate, and for indicating the pickup site on the map, complete with image zooming and enhancement;
- Control Centre 3 This is done at Control Centre 3 by a processing station (PC) equipped with software and a user interface for updating and consulting the license plate database.
- Data exchange between Control Centre 3 and Patrols 2 is over a wireless LAN connection - shown schematically in Figure 1 by 25 - in an appropriate exchange area, e.g. inside a police garage or workshop, to minimize labour and make data exchange as automatic as possible.
- Patrol start-up ' Starting up car 4 calls for no additional work on the part of patrol personnel, all data being updated fully automatically over wireless LAN connection 25. Once the updated wanted-plate data is received from Control Centre 3, the system is ready and patrolling can commence .
- license plate reading device 6 When turned on, license plate reading device 6 communicates its status to on-vehicle navigation system 5, which displays it on its own on-vehicle display by means of an appropriate icon (e.g. a green traffic- light) .
- an appropriate icon e.g. a green traffic- light
- License plate reading device 6 and on-vehicle navigation system 5 continually check correct operation and indicate any malfunctions . From this point on, license-plate reading device 6 reads and memorizes any license plates encountered en- route .
- On-vehicle navigation system 5 the following are also available:
- license plate reading device 6 memorizes data relative to vehicles travelling in the right and left lanes with respect to the travelling direction of the patrol vehicle.
- the string corresponding to the last license plate reading from each digital microcamera 12 is updated continually on the on-vehicle navigation system 5 display, and appears on the right or left of the display, depending on which digital microcamera 12 it refers to, so as to enable the operator to check operation of license plate reading device 6; in-transit data is recorded by license plate reading device 6, and contains the detected license plate string, the image (compressed or not) of the in- transit vehicle, and the date, time and location (georeferenced data from the on-vehicle navigation system) ,-
- license plate l reading device 6 displays it on the on-vehicle navigation system display;
- an alarm signal is transmitted automatically in real time to control Centre 3 by on-vehicle navigation system 5 over GSM/GPRS module 7; in the event of failure to transmit the alarm signal to Control Centre 3, on- vehicle navigation system 5 displays a fail message,- and a marker is automatically shown on the on-vehicle navigation system 5 display map to indicate the pickup location of the license plate in question; - via GSM/GPRS module 23, Control Centre 3 can also supply on-vehicle navigation system 5 with additional plates to check or to add to the existing on-vehicle list, even while on patrol; these new data strings are entered by a resident program, at license plate control station 24, connected tto the radio-location system and designed to transmit data to all the mobile surveillance units,- on receiving a message from Control Centre 3 containing a new plate to check, on-vehicle navigation system 5 transmits the relative string to on-vehicle processing unit 11, which enters the plate on the check plate list.
- license plate reading device 6 Upon re-entry of Patrol 2, license plate reading device 6 provides automatically for transferring all the data picked up on patrol by Patrol 2 (e.g. license plate reading list, digital images, alarm list, etc.) to Control Centre 3 over wireless LAN connection 25, for shutting down the system, and for cutting off its own power supply.
- data picked up on patrol by Patrol 2 e.g. license plate reading list, digital images, alarm list, etc.
- the system may be used for applications other than the one (security) described, i.e. detecting data relative to (stationary/moving) vehicle license plates for security reasons, or for locating, by generating automatic alarms, "suspect" vehicles, e.g. stolen or owned/used by individuals sought after, under investigation, or wanted, etc. by the police.
- the (surveillance) system can also be used locally to control authorized vehicles in limited-traffic areas
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ539094A NZ539094A (en) | 2002-09-20 | 2003-09-19 | Vehicle licence plates monitoring system |
EP03758661A EP1540621A1 (en) | 2002-09-20 | 2003-09-19 | Vehicle license plates monitoring system |
AU2003274696A AU2003274696B2 (en) | 2002-09-20 | 2003-09-19 | Vehicle licence plates monitoring system |
CA2499333A CA2499333C (en) | 2002-09-20 | 2003-09-19 | Vehicle licence monitoring system |
US10/528,375 US7460028B2 (en) | 2002-09-20 | 2003-09-19 | Vehicle licence plates monitoring system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000827A ITTO20020827A1 (en) | 2002-09-20 | 2002-09-20 | SYSTEM FOR SURVEILLANCE AND / OR SECURITY CONTROL |
ITTO2002A000827 | 2002-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004027730A1 true WO2004027730A1 (en) | 2004-04-01 |
Family
ID=32012185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IT2003/000558 WO2004027730A1 (en) | 2002-09-20 | 2003-09-19 | Vehicle licence plates monitoring system |
Country Status (8)
Country | Link |
---|---|
US (1) | US7460028B2 (en) |
EP (1) | EP1540621A1 (en) |
AU (1) | AU2003274696B2 (en) |
CA (1) | CA2499333C (en) |
IT (1) | ITTO20020827A1 (en) |
NZ (1) | NZ539094A (en) |
WO (1) | WO2004027730A1 (en) |
ZA (1) | ZA200502865B (en) |
Cited By (8)
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BE1016332A5 (en) * | 2004-11-29 | 2006-08-01 | Michel Niezen | Authorized speed exceeding vehicle detecting and identifying method involves controlling irremediable erasure of vehicle position information, information of exposure of violation vehicle and violation data based on pre-programmed commands |
WO2009015987A2 (en) * | 2007-07-30 | 2009-02-05 | Robert Bosch Gmbh | Transmission apparatus and method for transmitting a present position of a vehicle to an evaluation centre |
CN103198660A (en) * | 2012-01-06 | 2013-07-10 | 雷佳龙 | Intelligent traffic management system device |
EP2624232A1 (en) * | 2012-02-02 | 2013-08-07 | Kapsch TrafficCom AG | Method for controlling a road toll system |
WO2014199173A1 (en) * | 2013-06-13 | 2014-12-18 | G24 Ltd | Car park monitoring system and method |
CN105321350A (en) * | 2014-08-05 | 2016-02-10 | 北京大学 | Method and device for detection of fake plate vehicles |
GB2565345A (en) * | 2017-08-11 | 2019-02-13 | Jaguar Land Rover Ltd | A method for use in a vehicle |
US11941716B2 (en) | 2020-12-15 | 2024-03-26 | Selex Es Inc. | Systems and methods for electronic signature tracking |
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US7382277B2 (en) | 2003-02-12 | 2008-06-03 | Edward D. Ioli Trust | System for tracking suspicious vehicular activity |
US20040167861A1 (en) | 2003-02-21 | 2004-08-26 | Hedley Jay E. | Electronic toll management |
US7970644B2 (en) * | 2003-02-21 | 2011-06-28 | Accenture Global Services Limited | Electronic toll management and vehicle identification |
US20060217166A1 (en) * | 2005-03-22 | 2006-09-28 | Swanson Christian R | Portable radio, and method for conveying information |
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US7673346B1 (en) * | 2005-06-22 | 2010-03-02 | Symantec Corporation | Intra-data license for using data |
US8504415B2 (en) * | 2006-04-14 | 2013-08-06 | Accenture Global Services Limited | Electronic toll management for fleet vehicles |
US7701363B1 (en) * | 2007-01-17 | 2010-04-20 | Milan Zlojutro | Vehicle tracking and monitoring system |
US20090121849A1 (en) * | 2007-11-13 | 2009-05-14 | John Whittaker | Vehicular Computer System With Independent Multiplexed Video Capture Subsystem |
KR100950465B1 (en) * | 2007-12-21 | 2010-03-31 | 손승남 | Camera control method for vehicle enrance control system |
CN102037314A (en) * | 2008-10-08 | 2011-04-27 | 通腾科技股份有限公司 | Navigation apparatus and method for recording image data |
US9978272B2 (en) * | 2009-11-25 | 2018-05-22 | Ridetones, Inc | Vehicle to vehicle chatting and communication system |
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US10579892B1 (en) | 2014-06-27 | 2020-03-03 | Blinker, Inc. | Method and apparatus for recovering license plate information from an image |
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US10867327B1 (en) * | 2014-06-27 | 2020-12-15 | Blinker, Inc. | System and method for electronic processing of vehicle transactions based on image detection of vehicle license plate |
US10572758B1 (en) | 2014-06-27 | 2020-02-25 | Blinker, Inc. | Method and apparatus for receiving a financing offer from an image |
US9754171B1 (en) * | 2014-06-27 | 2017-09-05 | Blinker, Inc. | Method and apparatus for receiving vehicle information from an image and posting the vehicle information to a website |
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-
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- 2003-09-19 NZ NZ539094A patent/NZ539094A/en not_active IP Right Cessation
- 2003-09-19 AU AU2003274696A patent/AU2003274696B2/en not_active Ceased
- 2003-09-19 WO PCT/IT2003/000558 patent/WO2004027730A1/en not_active Application Discontinuation
- 2003-09-19 CA CA2499333A patent/CA2499333C/en not_active Expired - Fee Related
- 2003-09-19 EP EP03758661A patent/EP1540621A1/en not_active Withdrawn
- 2003-09-19 US US10/528,375 patent/US7460028B2/en active Active - Reinstated
-
2005
- 2005-04-08 ZA ZA200502865A patent/ZA200502865B/en unknown
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1016332A5 (en) * | 2004-11-29 | 2006-08-01 | Michel Niezen | Authorized speed exceeding vehicle detecting and identifying method involves controlling irremediable erasure of vehicle position information, information of exposure of violation vehicle and violation data based on pre-programmed commands |
WO2009015987A2 (en) * | 2007-07-30 | 2009-02-05 | Robert Bosch Gmbh | Transmission apparatus and method for transmitting a present position of a vehicle to an evaluation centre |
WO2009015987A3 (en) * | 2007-07-30 | 2009-04-09 | Bosch Gmbh Robert | Transmission apparatus and method for transmitting a present position of a vehicle to an evaluation centre |
EP2176837B1 (en) | 2007-07-30 | 2016-09-07 | Robert Bosch GmbH | Transmission apparatus and method for transmitting a present position of a vehicle to an evaluation centre |
CN103198660A (en) * | 2012-01-06 | 2013-07-10 | 雷佳龙 | Intelligent traffic management system device |
US8754781B2 (en) | 2012-02-02 | 2014-06-17 | Kapsch Trafficcom Ag | Control method for a road toll system |
EP2624233A1 (en) * | 2012-02-02 | 2013-08-07 | Kapsch TrafficCom AG | Method for controlling a road toll system |
US8896468B2 (en) | 2012-02-02 | 2014-11-25 | Kapsch Trafficcom Ag | Control method for a road toll system |
US9286628B2 (en) | 2012-02-02 | 2016-03-15 | Kapsch Trafficcom Ag | Control devices and methods for a road toll system |
EP2624232A1 (en) * | 2012-02-02 | 2013-08-07 | Kapsch TrafficCom AG | Method for controlling a road toll system |
WO2014199173A1 (en) * | 2013-06-13 | 2014-12-18 | G24 Ltd | Car park monitoring system and method |
GB2529366A (en) * | 2013-06-13 | 2016-02-17 | G24 Ltd | Car park monitoring system and method |
CN105321350A (en) * | 2014-08-05 | 2016-02-10 | 北京大学 | Method and device for detection of fake plate vehicles |
GB2565345A (en) * | 2017-08-11 | 2019-02-13 | Jaguar Land Rover Ltd | A method for use in a vehicle |
US11941716B2 (en) | 2020-12-15 | 2024-03-26 | Selex Es Inc. | Systems and methods for electronic signature tracking |
Also Published As
Publication number | Publication date |
---|---|
CA2499333C (en) | 2011-08-16 |
ITTO20020827A1 (en) | 2004-03-21 |
AU2003274696A1 (en) | 2004-04-08 |
EP1540621A1 (en) | 2005-06-15 |
NZ539094A (en) | 2006-10-27 |
CA2499333A1 (en) | 2004-04-01 |
AU2003274696B2 (en) | 2008-10-30 |
US7460028B2 (en) | 2008-12-02 |
ZA200502865B (en) | 2006-06-28 |
US20060164258A1 (en) | 2006-07-27 |
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