JP2000036094A - Unauthorized vehicle detection system - Google Patents

Unauthorized vehicle detection system

Info

Publication number
JP2000036094A
JP2000036094A JP20297498A JP20297498A JP2000036094A JP 2000036094 A JP2000036094 A JP 2000036094A JP 20297498 A JP20297498 A JP 20297498A JP 20297498 A JP20297498 A JP 20297498A JP 2000036094 A JP2000036094 A JP 2000036094A
Authority
JP
Japan
Prior art keywords
vehicle
radio wave
unauthorized
transmitting
detection system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP20297498A
Other languages
Japanese (ja)
Inventor
Yasuo Shimizu
康生 清水
Masaya Nozato
雅哉 野里
Toshihiro Kawanabe
敏弘 川那辺
Takeshi Hiroki
武 広木
Yoshito Sato
義人 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Hitachi Information and Control Systems Inc
Original Assignee
Hitachi Ltd
Hitachi Information and Control Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd, Hitachi Information and Control Systems Inc filed Critical Hitachi Ltd
Priority to JP20297498A priority Critical patent/JP2000036094A/en
Publication of JP2000036094A publication Critical patent/JP2000036094A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide an unauthorized vehicle detection system provided with a means for surely detecting an unauthorized vehicle even when the lowering factor of a vehicle recognition rate such as the stain of a number plate is present and preventing a normal automatic charge collection system (ETC) vehicle from being erroneously recognized as the unauthorized vehicle inversely. SOLUTION: Since the unauthorized vehicle 2 imitating the normal ETC vehicle 3 by utilizing communication between a road and the vehicle transmits control information 7 transmitted from a road side transmission/reception antenna 1 to a following ETC vehicle as the control information 9 by communication replay, the control information 9 is received by a set of two position detection antennas 4, and the position of the transmission source of a control radio wave 9 is detected by the incident angle of the control radio wave 9 to the position detection antenna by a radio wave transmission position detector 22. In the meantime, the image information of a passing vehicle from a camera 5 is image-processed and recognized in a vehicle position image detector 23 and the positions of all the vehicles are obtained. A radio wave monitoring device 24 compares the position of the transmission source of the control radio wave with the positions of all the vehicles and judges the matching vehicle as the unauthorized vehicle 2.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、不正車両検出シス
テムに係り、特に、有料道路等の自動料金収受システム
(ETCシステム)において、道路−車両間通信を利用
し、他のETC車両になりすます不正行為を防ぐ手段に
関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unauthorized vehicle detection system, and more particularly to an automatic toll collection system for toll roads and the like.
In (ETC system), the present invention relates to means for preventing fraudulent acts impersonating another ETC vehicle by using road-vehicle communication.

【0002】[0002]

【従来の技術】有料道路等における通信による料金収受
システムにおいて、料金所は、車両が通過する際に、ア
クティブ方式通信により、車両と料金収受に必要な情報
をやり取りする。
2. Description of the Related Art In a toll collection system by communication on a toll road or the like, a tollgate exchanges information necessary for toll collection with a vehicle by active communication when the vehicle passes.

【0003】ETCシステム導入に際して考えられる不
正行為の中に通信リプレイがある。通信リプレイとは、
道路側送受信アンテナから制御電波を受信した不正車両
が、後続のETC車両にそのまままたは周波数を変更し
て送信し、後続のETC車両に対しては、不正車両があ
たかも道路側送受信アンテナとして振る舞い、また、後
続のETC車両から応答電波を受信した不正車両が道路
側送受信アンテナにそのまままたは周波数を変更して応
答電波を送信し、道路側送受信アンテナに対しては、不
正車両があたかも後続のETC車両として振る舞うこと
で通信を成功させる方法である。
[0003] One of the illicit acts that can be considered when introducing the ETC system is communication replay. What is communication replay?
A fraudulent vehicle that has received the control radio wave from the roadside transmitting / receiving antenna transmits to the subsequent ETC vehicle as it is or after changing the frequency, and the fraudulent vehicle acts as a roadside transmitting / receiving antenna for the subsequent ETC vehicle, and A rogue vehicle that has received a response radio wave from a subsequent ETC vehicle transmits a response radio wave to the road side transmission / reception antenna as it is or changes the frequency, and the rogue vehicle is transmitted to the road side transmission / reception antenna as if it were a subsequent ETC vehicle. It is a way to make communication successful by acting.

【0004】このような不正車両を検出する装置として
は、特開平5―197856号公報に開示されているように、
車両に備えた車種情報と道路側に備えられたナンバープ
レート読み取り装置等によって得られた車種情報とを比
較照合して不正車両を判定するものが知られている。
As an apparatus for detecting such a fraudulent vehicle, as disclosed in Japanese Patent Application Laid-Open No. 5-197856,
2. Description of the Related Art There is known a vehicle in which vehicle type information provided by a vehicle and vehicle type information obtained by a license plate reading device provided on a road side are compared and collated to determine an unauthorized vehicle.

【0005】[0005]

【発明が解決しようとする課題】しかし、上記従来技術
では、ナンバープレートが汚れている場合,車両の一部
が他の車両の陰となった場合,光線の当たり具合が良く
ない場合等に、ナンバープレートの認識率が低下し、不
正車両の検出率が低下するという問題があった。これと
は逆に、正規のETC車両であっても、前記と同様の理
由でナンバープレートの認識率が低下した時には、不正
車両と誤認してしまうという問題もある。
However, according to the above-mentioned prior art, when the license plate is dirty, when a part of the vehicle is shaded by another vehicle, or when the light hits poorly, etc. There is a problem that the recognition rate of the license plate is reduced and the detection rate of the unauthorized vehicle is reduced. Conversely, even if the ETC vehicle is a legitimate ETC vehicle, if the recognition rate of the license plate decreases for the same reason as described above, there is a problem that the vehicle is erroneously recognized as an unauthorized vehicle.

【0006】本発明の目的は、ナンバープレートの汚れ
等の車両認識率を低下させる要因があっても、不正車両
を確実に検出し、逆に、正規のETC車両を不正車両と
誤認することを防止する手段を備えた不正車両検出シス
テムを提供することである。
SUMMARY OF THE INVENTION It is an object of the present invention to surely detect a fraudulent vehicle even if there is a factor such as dirt on a license plate that reduces the vehicle recognition rate, and conversely misrecognize a legitimate ETC vehicle as a fraudulent vehicle. An object of the present invention is to provide a fraudulent vehicle detection system provided with a means for preventing such a vehicle.

【0007】[0007]

【課題を解決するための手段】本発明は、上記目的を達
成するために、道路側送受信アンテナから制御電波を受
信し、ETC車両にそのまままたは周波数を変更して送
信するとともに、後続のETC車両から応答電波を受信
し、道路側送受信アンテナにそのまままたは周波数を変
更して応答電波を送信し、道路側送受信アンテナに対し
て後続のETC車両になりすます不正車両を検出する不
正車両検出システムにおいて、不正車両からETC車両
への制御電波を受信し当該制御電波の発信源の発信位置
を検出する電波発信位置検出手段を備えた不正車両検出
システムを提案する。
SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a method for receiving a control radio wave from a roadside transmitting / receiving antenna, transmitting the control radio wave to an ETC vehicle as it is, or changing the frequency, and transmitting the control radio wave to a subsequent ETC vehicle. A response vehicle receives a response radio wave from the vehicle, transmits the response radio wave to the roadside transmission / reception antenna as it is or changes the frequency, and detects an unauthorized vehicle impersonating a subsequent ETC vehicle to the roadside transmission / reception antenna. The present invention proposes an unauthorized vehicle detection system including a radio wave transmission position detection unit that receives a control radio wave from a vehicle to an ETC vehicle and detects a transmission position of a transmission source of the control radio wave.

【0008】前記電波発信位置検出手段は、より具体的
には、2つで一組の位置検出アンテナと、それぞれの位
置検出アンテナで受信した制御情報の入射角度から制御
電波の発信源の位置を検出する電波発信位置検出装置と
からなる。
More specifically, the radio wave transmitting position detecting means determines the position of the transmitting source of the control radio wave from the set of two position detecting antennas and the incident angle of the control information received by each position detecting antenna. And a radio wave transmitting position detecting device for detecting.

【0009】本発明の不正車両検出システムは、全車両
を撮影するカメラと、このカメラで撮影した画像情報を
画像処理し全車両の位置情報を得る車両位置画像検出装
置と、上記電波発信位置検出手段から得られる制御電波
の発信源の位置と車両位置画像検出装置から得られる全
車両位置とを比較し不正車両を特定する電波監視手段と
を備えることもできる。
An unauthorized vehicle detection system according to the present invention includes a camera for photographing all vehicles, a vehicle position image detecting device for processing image information photographed by the camera to obtain position information of all vehicles, There may be provided a radio wave monitoring means for comparing the position of the source of the control radio wave obtained from the means with the entire vehicle position obtained from the vehicle position image detecting device and identifying an unauthorized vehicle.

【0010】いずれの場合も、電波発信位置検出手段か
ら得られた発信源の位置情報を収受員に知らせる表示装
置と、発信源の位置情報に基づいて不正車両のみを撮影
するカメラとの少なくとも一方を料金所のゲートに配置
してもよい。
[0010] In any case, at least one of a display device for informing the collection staff of the position information of the transmission source obtained from the radio wave transmission position detecting means, and a camera for photographing only the unauthorized vehicle based on the position information of the transmission source. At the gate of the tollgate.

【0011】道路側に設置された送受信アンテナとET
C車両との正規の通信においては、道路側送受信アンテ
ナから制御電波を送信し、ETC車両にスロットを割り
当てる。ETC車両は、そのスロットに対し、応答電波
を送信する。すなわち、正規の通信において、制御情報
を送信するのは、道路側送受信アンテナのみである。こ
れに対して、通信リプレイにより不正通行を試みる不正
車両は、道路側送受信アンテナからの制御電波を後続の
ETC車両に送信しなければならない。そこで、通信リ
プレイを用いて送信される制御電波の発信位置すなわち
発信車両を特定すれば、それを不正車両として検出で
き、通信リプレイによる不正車両の検出率を上げること
が可能となる。
A transmitting / receiving antenna and an ET installed on the road side
In normal communication with the C vehicle, a control radio wave is transmitted from the roadside transmitting / receiving antenna, and a slot is allocated to the ETC vehicle. The ETC vehicle transmits a response radio wave to the slot. That is, in normal communication, only the roadside transmitting / receiving antenna transmits control information. On the other hand, a fraudulent vehicle attempting to pass illegally by communication replay must transmit a control radio wave from the roadside transmitting / receiving antenna to a subsequent ETC vehicle. Therefore, if the transmitting position of the control radio wave transmitted using the communication replay, that is, the transmitting vehicle is specified, it can be detected as an unauthorized vehicle, and the detection rate of the unauthorized vehicle by the communication replay can be increased.

【0012】[0012]

【発明の実施の形態】次に、図1および図2を参照し
て、電波発信源の位置検出に三角測量の原理を利用し
て、車両位置の検出にカメラを用いた本発明による不正
車両検出システムの一実施例を説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, referring to FIGS. 1 and 2, an unauthorized vehicle according to the present invention using the principle of triangulation for detecting the position of a radio wave transmitting source and using a camera for detecting the position of a vehicle. An embodiment of the detection system will be described.

【0013】図1は、本発明による不正車両検出システ
ムの一実施例の系統構成を示すブロック図である。
FIG. 1 is a block diagram showing a system configuration of an embodiment of an unauthorized vehicle detection system according to the present invention.

【0014】不正車両2は、正規のETC車両および道
路側に設置される送受信アンテナ(道路側送受信アンテ
ナ)と通信する通信装置21を搭載しており、ここでは
図示しない後続のETC車両に対して、通信リプレイに
よる制御電波9を送信する。
The unauthorized vehicle 2 has a communication device 21 for communicating with a regular ETC vehicle and a transmitting / receiving antenna (road-side transmitting / receiving antenna) installed on the road side. Then, the control radio wave 9 by the communication replay is transmitted.

【0015】本実施例の道路側システム29は、通信リ
プレイによる制御電波9を受信する2つで1組の位置検
出アンテナ4と、三角測量の原理を用い2つの位置アン
テナ4のそれぞれのアンテナで受信した通信リプレイに
よる制御電波9の入射角度からその発信源を検出する電
波発信位置検出装置22と、全車両を撮影するカメラ5
と、カメラ5で撮影した画像情報26を画像処理して画
像認識し料金所を通過する全車両の位置情報を得る車両
位置画像検出装置23と、電波発信位置検出装置22か
ら得られる通信リプレイによる制御電波9の発信源の位
置27と車両位置画像検出装置23から得られる全車両
位置28とを比較し不正車両2を特定する電波監視装置
24とからなる。
The road-side system 29 of the present embodiment includes two sets of position detecting antennas 4 for receiving the control radio wave 9 by the communication replay and two sets of position detecting antennas 4 based on the principle of triangulation. A radio wave transmitting position detecting device 22 for detecting a transmitting source from an incident angle of the control radio wave 9 by the received communication replay, and a camera 5 for photographing all vehicles.
A vehicle position image detecting device 23 that obtains position information of all vehicles passing through the tollgate by performing image processing on image information 26 captured by the camera 5 to perform image recognition and communication replay obtained from the radio wave transmitting position detecting device 22. A radio wave monitoring device 24 for comparing the position 27 of the transmission source of the control radio wave 9 with the entire vehicle position 28 obtained from the vehicle position image detecting device 23 and specifying the unauthorized vehicle 2.

【0016】なお、三角測量の原理を応用して電波発信
源の位置を特定する方法は、例えば特開平6−258425号
公報に開示されている。
A method of specifying the position of a radio wave transmission source by applying the principle of triangulation is disclosed, for example, in Japanese Patent Application Laid-Open No. Hei 6-258425.

【0017】図2は、図1の本発明による不正車両検出
システムの一実施例における実際の機器配置を道路の長
手方向に沿って示す側面図である。
FIG. 2 is a side view showing the actual equipment arrangement in the embodiment of the unauthorized vehicle detection system according to the present invention shown in FIG. 1 along the longitudinal direction of the road.

【0018】料金収受に必要な情報を送受信する道路側
送受信アンテナ1は、ETC車両と通信するために制御
電波7を送信する。このとき、通信リプレイにより不正
通行を試みる不正車両2は、道路側送受信アンテナ1の
通信領域6に入ると、道路側送受信アンテナ1が送信す
る制御電波7を受信し、後続のETC車両3にそのまま
または周波数を変更した制御電波9を送信する。不正車
両2は、また、後続のETC車両3が制御電波9に対し
て送信した応答電波10を受信し、そのまままたは周波
数を変更し制御電波7に対する応答電波8として道路側
送受信アンテナ1に送信する。
The roadside transmitting / receiving antenna 1 for transmitting and receiving information required for toll collection transmits a control radio wave 7 for communicating with the ETC vehicle. At this time, when the unauthorized vehicle 2 attempting unauthorized traffic by the communication replay enters the communication area 6 of the roadside transmitting / receiving antenna 1, it receives the control radio wave 7 transmitted by the roadside transmitting / receiving antenna 1 and sends it to the subsequent ETC vehicle 3 as it is. Or, the control radio wave 9 whose frequency is changed is transmitted. The fraudulent vehicle 2 also receives the response radio wave 10 transmitted by the subsequent ETC vehicle 3 to the control radio wave 9 and transmits the response radio wave 8 to the road side transmitting / receiving antenna 1 as it is or after changing its frequency as a response radio wave 8 to the control radio wave 7. .

【0019】このような不正車両2を検出するために、
本実施例においては、車両進行方向を基準として、例え
ば道路側送受信アンテナ1よりも後方に、2つで1組の
位置検出アンテナ4を設置し、不正車両2が後続のET
C車両3に対して送信する制御電波9を受信する。な
お、位置検出アンテナ4は、不正車両2が後続のETC
車両3に対して送信する制御電波9を受信できればよい
ので、その設置位置は、道路側送受信アンテナ1よりも
後方には限定されない。
In order to detect such a fraudulent vehicle 2,
In the present embodiment, one set of two position detection antennas 4 is installed, for example, behind the roadside transmitting / receiving antenna 1 with respect to the traveling direction of the vehicle, and the unauthorized vehicle 2 detects
The control radio wave 9 transmitted to the C vehicle 3 is received. In addition, the position detection antenna 4 is configured so that the unauthorized vehicle 2
Since it is sufficient that the control radio wave 9 transmitted to the vehicle 3 can be received, the installation position is not limited to the rear of the roadside transmitting / receiving antenna 1.

【0020】一方、料金所を通過する車両を撮影するカ
メラ5は、道路側送受信アンテナ1を通過する車両の画
像情報が得られればよいから、その設置位置も図示の位
置には限定されない。
On the other hand, the camera 5 for photographing a vehicle passing through the tollgate needs only to obtain image information of the vehicle passing through the roadside transmitting / receiving antenna 1, so that the installation position is not limited to the illustrated position.

【0021】電波発信位置検出装置22は、2つの位置
検出アンテナ4で受信した制御電波9の入射角度に基づ
き検出した制御情報25の発信源の位置情報27を得
る。
The radio wave transmitting position detecting device 22 obtains the transmitting source position information 27 of the control information 25 detected based on the incident angle of the control radio wave 9 received by the two position detecting antennas 4.

【0022】車両位置画像検出装置23は、カメラ5か
らの通過車両の画像情報26を画像処理して画像認識し
全車両の位置情報28を得る。
The vehicle position image detecting device 23 performs image processing on the image information 26 of the passing vehicle from the camera 5 and performs image recognition to obtain position information 28 of all vehicles.

【0023】電波監視装置24は、制御電波9の発信源
の位置情報27と全車両の位置情報28とを比較し、制
御電波9の発信源の位置情報27と車両の位置情報28
とが一致するか否かを判断する。制御電波9の発信源の
位置情報27と車両の位置情報28とが一致した場合
は、その車両が制御電波9を出していた不正車両2であ
ると判断する。
The radio wave monitoring device 24 compares the position information 27 of the transmission source of the control radio wave 9 with the position information 28 of all vehicles, and determines the position information 27 of the transmission source of the control radio wave 9 and the position information 28 of the vehicle.
It is determined whether or not matches. When the position information 27 of the source of the control radio wave 9 and the position information 28 of the vehicle match, it is determined that the vehicle is the unauthorized vehicle 2 that has emitted the control radio wave 9.

【0024】不正車両2が制御電波9を送信している場
合、制御電波9の発信源の位置は、一般に時間の経過と
ともに料金所の方へ移動する。そのため、電波監視装置
24において、時間の経過にかかわらず、発信源の位置
情報27が特定位置に存在する場合、道路側送受信アン
テナ1から送信される制御電波7が反射等の影響により
位置検出アンテナ4で検出されたものとして、除去でき
る。
When the unauthorized vehicle 2 is transmitting the control radio wave 9, the position of the source of the control radio wave 9 generally moves toward the tollgate with the passage of time. Therefore, in the radio wave monitoring device 24, regardless of the lapse of time, when the position information 27 of the transmission source is present at a specific position, the control radio wave 7 transmitted from the roadside transmitting / receiving antenna 1 is affected by the reflection or the like, and the position detecting antenna 7 4 and can be removed.

【0025】なお、電波発信位置検出装置22から得ら
れた発信源の位置情報27を収受員に知らせる表示装置
を電波監視装置24に付加してもよいし、料金所のゲー
トの位置にカメラを配置し、発信源の位置情報27に基
づいてその不正車両2のみを撮影する構成を採用するこ
ともできる。このようにすると、道路側システム29
は、通行車両の全画像を撮影するカメラ5および全車両
の車両位置画像検出装置23を省略でき、系統構成が単
純になる。
It is to be noted that a display device for notifying the receiver of the transmission source position information 27 obtained from the radio wave transmission position detecting device 22 may be added to the radio wave monitoring device 24, or a camera may be provided at the gate position of the tollgate. It is also possible to adopt a configuration in which the vehicle is arranged and only the unauthorized vehicle 2 is photographed based on the position information 27 of the transmission source. In this way, the roadside system 29
Can omit the camera 5 for capturing all images of the passing vehicle and the vehicle position image detecting device 23 for all vehicles, and the system configuration is simplified.

【0026】また、電波発信位置検出装置22から得ら
れた発信源の位置情報27を収受員に知らせる表示装置
と、料金所のゲートの位置に配置されるカメラと、図1
および図2におけるカメラ5および車両位置画像検出装
置23の系統とを併存させたシステムも構築できること
は、勿論である。
Also, a display device for notifying the collection staff of the position information 27 of the transmission source obtained from the radio wave transmission position detection device 22, a camera disposed at the gate position of the toll gate, FIG.
Needless to say, a system in which the camera 5 and the system of the vehicle position image detecting device 23 in FIG. 2 coexist can also be constructed.

【0027】[0027]

【発明の効果】道路−車両間通信を利用し正規のETC
車両になりすます不正車両は、道路側送受信アンテナか
ら送信される制御情報を通信リプレイにより制御情報と
して後続のETC車両に送信するので、本発明において
は、2つ一組の位置検出アンテナでその制御情報を受信
し、電波発信位置検出装置で位置検出アンテナへの制御
電波の入射角度により制御電波の発信源の位置を検出す
る。一方、カメラからの通過車両の画像情報を車両位置
画像検出装置で画像処理して画像認識し、全車両の位置
を得る。電波監視装置は、制御電波の発信源の位置と全
車両の位置とを比較し、一致した車両を不正車両と判断
する。したがって、ナンバープレートの汚れ等の車両認
識率の低下要因があっても、不正車両を確実に検出し
て、逆に、正規のETC車両を不正車両と誤認すること
を防ぐことができる不正車両検出システムが得られる。
According to the present invention, a formal ETC using road-vehicle communication is performed.
An unauthorized vehicle impersonating a vehicle transmits control information transmitted from a roadside transmitting / receiving antenna to a subsequent ETC vehicle as control information by communication replay. In the present invention, the control information is transmitted by a pair of position detecting antennas. Is received, and the position of the source of the control radio wave is detected by the radio wave transmitting position detecting device based on the incident angle of the control radio wave to the position detection antenna. On the other hand, the image information of the passing vehicle from the camera is subjected to image processing by the vehicle position image detection device and image recognition is performed to obtain the positions of all vehicles. The radio wave monitoring device compares the position of the source of the control radio wave with the positions of all the vehicles, and determines that the coincident vehicle is an unauthorized vehicle. Therefore, even if there is a factor such as dirt on the license plate that lowers the vehicle recognition rate, an unauthorized vehicle can be reliably detected, and conversely, a legitimate ETC vehicle can be prevented from being mistaken for an unauthorized vehicle. The system is obtained.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明による不正車両検出システムの一実施例
の系統構成を示すブロック図である。
FIG. 1 is a block diagram showing a system configuration of an embodiment of an unauthorized vehicle detection system according to the present invention.

【図2】図1の本発明による不正車両検出システムの一
実施例における実際の機器配置を道路の長手方向に沿っ
て示す側面図である。
FIG. 2 is a side view showing an actual device arrangement along the longitudinal direction of a road in the embodiment of the unauthorized vehicle detection system according to the present invention shown in FIG. 1;

【符号の説明】[Explanation of symbols]

1 道路側送受信アンテナ 2 不正車両 3 後続のETC車両 4 位置検出アンテナ 5 カメラ 6 道路側送受信アンテナ1の通信領域 7 道路側送受信アンテナ1から車両への制御電波 8 車両から道路側送受信アンテナ1への応答電波 9 不正車両2から後続のETC車両3への制御電波 10 後続のETC車両3から不正車両2への応答電波 21 通信装置 22 電波発信位置検出装置 23 車両位置画像検出装置 24 電波監視装置 25 位置検出アンテナで受信した制御情報 26 カメラで撮影された画像情報 27 制御電波の発信源の位置情報 28 カメラで撮影された車両位置情報 29 道路側システム DESCRIPTION OF SYMBOLS 1 Roadside transmitting / receiving antenna 2 Unauthorized vehicle 3 Subsequent ETC vehicle 4 Position detection antenna 5 Camera 6 Roadside transmitting / receiving antenna 1 communication area 7 Control radio wave from roadside transmitting / receiving antenna 1 to vehicle 8 Vehicle to roadside transmitting / receiving antenna 1 Response radio wave 9 Control radio wave from unauthorized vehicle 2 to subsequent ETC vehicle 3 10 Response radio wave from subsequent ETC vehicle 3 to unauthorized vehicle 2 21 Communication device 22 Radio transmission position detection device 23 Vehicle position image detection device 24 Radio monitoring device 25 Control information received by the position detection antenna 26 Image information captured by the camera 27 Position information of the source of control radio waves 28 Vehicle position information captured by the camera 29 Roadside system

───────────────────────────────────────────────────── フロントページの続き (72)発明者 野里 雅哉 茨城県日立市大みか町五丁目2番1号 株 式会社日立情報制御システム内 (72)発明者 川那辺 敏弘 茨城県日立市大みか町五丁目2番1号 株 式会社日立情報制御システム内 (72)発明者 広木 武 茨城県日立市大みか町五丁目2番1号 株 式会社日立製作所大みか工場内 (72)発明者 佐藤 義人 茨城県日立市大みか町七丁目1番1号 株 式会社日立製作所日立研究所内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Masaya Nozato 5-2-1 Omika-cho, Hitachi City, Ibaraki Prefecture Inside Hitachi Information & Control Systems Co., Ltd. (72) Toshihiro Kawanabe 5-chome Omika-cho, Hitachi City, Ibaraki Prefecture 2-1 Hitachi Information & Control Systems Co., Ltd. (72) Inventor Takeshi Hiroki 5-2-1 Omikacho, Hitachi City, Ibaraki Prefecture Inside Omika Plant, Hitachi, Ltd. (72) Inventor Yoshito Sato Hitachi City, Ibaraki Prefecture 7-1-1, Omika-cho Hitachi, Ltd. Hitachi Research Laboratory

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 道路側送受信アンテナから制御電波を受
信し、後続の自動料金収受システム(ETC)車両にその
まままたは周波数を変更して送信するとともに、前記後
続のETC車両から応答電波を受信し、前記道路側送受
信アンテナにそのまままたは周波数を変更して応答電波
を送信し、前記道路側送受信アンテナに対して前記後続
のETC車両になりすます不正車両を検出する不正車両
検出システムにおいて、 前記不正車両から前記ETC車両への制御電波を受信し
当該制御電波の発信源の発信位置を検出する電波発信位
置検出手段を備えたことを特徴とする不正車両検出シス
テム。
1. A control radio wave is received from a roadside transmitting / receiving antenna and transmitted to a subsequent automatic toll collection system (ETC) vehicle as it is or with a changed frequency, and a response radio wave is received from the subsequent ETC vehicle. In the fraudulent vehicle detection system for transmitting a response radio wave as it is or to change the frequency to the road side transmitting / receiving antenna and detecting a fraudulent vehicle impersonating the subsequent ETC vehicle with respect to the road side transmitting / receiving antenna, An unauthorized vehicle detection system comprising a radio wave transmission position detecting means for receiving a control radio wave to an ETC vehicle and detecting a transmission position of a transmission source of the control radio wave.
【請求項2】 請求項1に記載の不正車両検出システム
において、 前記電波発信位置検出手段が、2つで一組の位置検出ア
ンテナと、それぞれの前記位置検出アンテナで受信した
制御情報の入射角度から前記制御電波の発信源の位置を
検出する電波発信位置検出装置とからなることを特徴と
する不正車両検出システム。
2. The unauthorized vehicle detection system according to claim 1, wherein said radio wave transmitting position detecting means includes a pair of position detecting antennas and an incident angle of control information received by each of said position detecting antennas. And a radio wave transmitting position detecting device for detecting the position of the transmitting source of the control radio wave.
【請求項3】 請求項1または2に記載の不正車両検出
システムにおいて、 全車両を撮影するカメラと、前記カメラで撮影した画像
情報を画像処理し全車両の位置情報を得る車両位置画像
検出装置と、上記電波発信位置検出手段から得られる制
御電波の発信源の位置と前記車両位置画像検出装置から
得られる全車両位置とを比較し前記不正車両を特定する
電波監視手段とを備えたことを特徴とする不正車両検出
システム。
3. The unauthorized vehicle detection system according to claim 1, wherein the camera captures an image of the entire vehicle, and a vehicle position image detection apparatus that processes image information captured by the camera to obtain position information of the entire vehicle. And a radio wave monitoring means for comparing the position of the source of the control radio wave obtained from the radio wave transmission position detecting means with the entire vehicle position obtained from the vehicle position image detecting device and identifying the unauthorized vehicle. Characterized fraudulent vehicle detection system.
【請求項4】 請求項1ないし3のいずれか一項に記載
の不正者両検出システムにおいて、 前記電波発信位置検出手段から得られた発信源の位置情
報を収受員に知らせる表示装置と、前記発信源の位置情
報に基づいて前記不正車両のみを撮影するカメラとの少
なくとも一方を料金所のゲートに配置したことを特徴と
する不正車両検出システム。
4. The fraudulent detection system according to claim 1, wherein the display device notifies a receiver of positional information of a transmission source obtained from the radio wave transmission position detecting means. A fraudulent vehicle detection system, wherein at least one of a camera that photographs only the fraudulent vehicle based on positional information of a transmission source is disposed at a gate of a tollgate.
JP20297498A 1998-07-17 1998-07-17 Unauthorized vehicle detection system Pending JP2000036094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20297498A JP2000036094A (en) 1998-07-17 1998-07-17 Unauthorized vehicle detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20297498A JP2000036094A (en) 1998-07-17 1998-07-17 Unauthorized vehicle detection system

Publications (1)

Publication Number Publication Date
JP2000036094A true JP2000036094A (en) 2000-02-02

Family

ID=16466249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20297498A Pending JP2000036094A (en) 1998-07-17 1998-07-17 Unauthorized vehicle detection system

Country Status (1)

Country Link
JP (1) JP2000036094A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006101442A1 (en) * 2005-03-22 2006-09-28 Kapsch Trafficom Ab A system for use in stations for road tolls
JP2012037939A (en) * 2010-08-03 2012-02-23 Toshiba Corp Dishonest vehicle monitoring system, dishonest vehicle monitoring method and program for the same
CN103903431A (en) * 2012-12-25 2014-07-02 刘伟南 Vehicle detection apparatus
CN108665569A (en) * 2018-05-14 2018-10-16 佛山市洁宇信息科技有限公司 A kind of vehicle non-parking charge payment system and its method
CN108694750A (en) * 2018-05-14 2018-10-23 佛山市洁宇信息科技有限公司 A kind of ETC payment systems and its method for preventing vehicle from scrambling for roads

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006101442A1 (en) * 2005-03-22 2006-09-28 Kapsch Trafficom Ab A system for use in stations for road tolls
US7705750B2 (en) 2005-03-22 2010-04-27 Kapsch Trafficcom Ab System for use in stations for road tolls
JP2012037939A (en) * 2010-08-03 2012-02-23 Toshiba Corp Dishonest vehicle monitoring system, dishonest vehicle monitoring method and program for the same
CN103903431A (en) * 2012-12-25 2014-07-02 刘伟南 Vehicle detection apparatus
CN103903431B (en) * 2012-12-25 2018-01-30 刘伟南 A kind of vehicle detection apparatus
CN108665569A (en) * 2018-05-14 2018-10-16 佛山市洁宇信息科技有限公司 A kind of vehicle non-parking charge payment system and its method
CN108694750A (en) * 2018-05-14 2018-10-23 佛山市洁宇信息科技有限公司 A kind of ETC payment systems and its method for preventing vehicle from scrambling for roads

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