JPH0329100A - Automatic warning device for illegal parking - Google Patents
Automatic warning device for illegal parkingInfo
- Publication number
- JPH0329100A JPH0329100A JP1164665A JP16466589A JPH0329100A JP H0329100 A JPH0329100 A JP H0329100A JP 1164665 A JP1164665 A JP 1164665A JP 16466589 A JP16466589 A JP 16466589A JP H0329100 A JPH0329100 A JP H0329100A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- image
- unit
- warning
- image processing
- 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.)
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Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は道路上の駐停車禁止区域に駐停車し、交通渋滞
の原因となる該車両を検出し、その該車両のナンバープ
レート上の文字情報（陸運事務所，車種，用途．一連番
号）を読み取り、駐車違反車両を特定し警告を与える駐
車違反自動警告装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention detects a vehicle that is parked in a no-parking area on a road and causes traffic congestion, and detects the character information ( This relates to an automatic parking violation warning device that reads vehicle information (land transportation office, vehicle type, purpose, serial number), identifies illegal parking vehicles, and issues a warning.
従来の技術
駐停車違反に対する違反検出は、人間がその該地点に行
き、該車両の停車位置にマーキングし、所定時間経過後
、再度同一位置に停車しているかどうかチェックして行
われていた。Conventional technology To detect parking violations, a person goes to the spot, marks the parking position of the vehicle, and checks again after a predetermined period of time to see if the vehicle is parked at the same location.
発明が解決しようとする課題
このような方法によっては、人間がその地点に行くか、
もしくは通報があるまでは検出することができず、渋滞
および車両通行の如げの原因となっていた。The problem that the invention seeks to solve: Depending on the method, it is possible for humans to get to that point or
Otherwise, it could not be detected until it was reported, causing traffic jams and slow vehicle traffic.
本発明は、上記の問題を解決するために、テレビカメラ
その他認識装置を用いて自動的に車両のナンバープレー
ト上の文字情報を読み取り、その情報により音声合成装
置より該車両に警告を与えることを提供することを目的
としている。In order to solve the above problems, the present invention uses a television camera or other recognition device to automatically read character information on a vehicle's license plate, and uses that information to issue a warning to the vehicle using a voice synthesizer. is intended to provide.
課題を解決するための手段
上記の目的を達戒するために、本発明は、駐車違反自動
警告装置で駐停車違反区域に停車した車両を検出し、そ
の車両のナンバープレート上の文字情報を自動的に読み
取り、その文字情報を編集して該車両に警告を与えるこ
とができるように構成したものであり、駐車違反自動警
告装置は、（１） 駐停車違反区域に車両が停止した
ことの検出およびナンバープレート上の文字情報の自動
読み取りを後述の画像処理部で行うために、駐停車違反
区域を撮像し、画像信号を出力する撮像部。Means for Solving the Problems In order to achieve the above object, the present invention detects a vehicle stopped in a parking violation area with an automatic parking violation warning device, and automatically reads the character information on the license plate of the vehicle. The parking violation automatic warning device is configured to be able to read the parking violation and issue a warning to the vehicle by editing the text information. and an imaging unit that captures an image of a parking violation area and outputs an image signal in order to automatically read character information on the license plate using an image processing unit described below.
（２）撮像部よりの画像信号から、車両が駐停車違反区
域に進入したことを検出し、更に、その車両のナンバー
プレート部を検出し、その文字情報を読み取る画像処理
部。(2) An image processing unit that detects from the image signal from the imaging unit that a vehicle has entered a parking violation area, further detects the license plate of the vehicle, and reads the text information.
（３） 画像処理部から送出される文字情報を照合し
て同一車両の停車時間を計測し、所定値を越えた場合に
文字情報を編集し音声合成部へ出力する制御部。(3) A control unit that measures the stopping time of the same vehicle by collating the text information sent from the image processing unit, and when the time exceeds a predetermined value, edits the text information and outputs it to the speech synthesis unit.
（４） 全体制御部より送られてきた情報を受信して
、音声として発生される音声合戒部から構成される。(4) Consists of a voice command unit that receives information sent from the overall control unit and generates audio.
作用
駐車違反自動警告装置の撮像部で駐車禁止区域を常に撮
像する。画像処理部では撮像部から送られてくる画像信
号から車両が進入してきたと判断するとともに画面全体
における車両の存在位置を計測する。The imaging unit of the automatic parking violation warning device constantly images the no-parking area. The image processing section determines that a vehicle has entered the vehicle based on the image signal sent from the imaging section, and also measures the location of the vehicle on the entire screen.
この情報により、車両の道路幅員方向のサイズが画面全
体の水平方向の両角に対し．所定の比率の範囲以内であ
るかどうかを判断する。ここで、所定の範囲以内でない
場合には、画像処理部から撮像部に対し、遠隔制御によ
りズーム制御を行う。With this information, the size of the vehicle in the road width direction is determined relative to both horizontal corners of the entire screen. Determine whether the ratio is within a predetermined range. Here, if it is not within the predetermined range, the image processing section performs zoom control on the imaging section by remote control.
以上の動作を繰り返し、画面内における車両のサイズが
画面全体に対し、所定の比率範囲になるようにする。The above operations are repeated until the size of the vehicle within the screen falls within a predetermined ratio range with respect to the entire screen.
次に、画像処理部は撮像部にス１・ロボ照明を発光させ
て、車両を撮像するように指令を与える。Next, the image processing section instructs the imaging section to emit the S1/ROBO illumination to take an image of the vehicle.
画像処理部は、撮像部よりの画像信号より、ナンバープ
レート位置を検出する。The image processing section detects the license plate position from the image signal from the imaging section.
ナンバープレート位置が検出されたら、ナンパ一プレー
ト部内の文字列のサイズを計測し、ここで、中型プレー
トが大型プレートかを判断する。When the license plate position is detected, the size of the character string in the number plate part is measured, and it is determined whether the medium-sized plate is a large-sized plate.
この結果により、後述する文字認識に必要な所定のサイ
ズ範囲〈中型・大型それぞれ存在する〉以内に撮像され
ているかどうかを判断する。所定の範囲外であれば、車
両検出時と同様に、ズーム制御を行い、車両撮像からの
動作を繰り返し、所定のサイズ範囲以内になるように撮
像する。Based on this result, it is determined whether the image is captured within a predetermined size range (medium size and large size exist) necessary for character recognition, which will be described later. If it is outside the predetermined size range, zoom control is performed in the same way as when detecting the vehicle, and the operations from vehicle imaging are repeated to capture the image so that the size is within the predetermined size range.
所定のサイズにプレート位置が検出された情報より、各
文字を切り出し、これを認ｗＡ辞書と照合して、文字認
識を行い、文字コードに変換して、全体制御部へ送出す
る。Each character is cut out from the information that the plate position has been detected to a predetermined size, and is compared with the recognition wA dictionary to perform character recognition, convert it into a character code, and send it to the overall control unit.
画像処理部は定期的にストロボ照明点灯での撮像から文
字認識までの動作を繰り返し、文字コードを全体制御部
へ送出いる。The image processing section periodically repeats operations from imaging with strobe lighting on to character recognition, and sends character codes to the overall control section.
全体制御部は、画像処理部で得られた文字情報を、次々
と送られてくる文字情報と照合し、同一車両かどうかを
判定する。同一車両が所定の時間を越えて停車している
と判断した場合には、該車両に警告を与えるべく、該車
両の文字情報を含んだ警告情報に編集し、Ｊ声合成装置
に出力する。The overall control unit compares the text information obtained by the image processing unit with text information that is sent one after another, and determines whether the vehicles are the same. If it is determined that the same vehicle has been stopped for more than a predetermined time, the warning information is edited to include character information of the vehicle and output to the J voice synthesizer in order to give a warning to the vehicle.
音声合成部は拡声器を通じて、音声で該車両に警告を与
える。以上の作用により、今まで駐停軍違反に対する違
反検出は、人間がその該地点に行き、該車両の停止位置
にマーキングし、所定時間経過後、再度同一位置に停車
しているかどうかをチェックしなければできなかったこ
とを、無人で自動的に検出および警告を与えることがで
きる効果を有する。The voice synthesizer gives a warning to the vehicle through a loudspeaker. As a result of the above-mentioned actions, until now, violation detection for parking violations has been done by a human being going to the location, marking the vehicle's stopping position, and checking whether the vehicle has stopped at the same location again after a predetermined period of time has elapsed. It has the effect of automatically detecting and issuing warnings unattended, which could not be done otherwise.
実施例 第１図は本発明の一実施例の構成を示すものである。Example FIG. 1 shows the configuration of an embodiment of the present invention.
第１図において、駐車違反自動警告装置Ａは、撮像部１
，画像処理部２，全体制御部３および音声合成部４を備
えている。In FIG. 1, the parking violation automatic warning device A includes an imaging unit 1
, an image processing section 2, an overall control section 3, and a speech synthesis section 4.
撮像部１は、画像処理部２で、駐停車禁止区間に車両が
進入したことを検出およびその車両のナンバープレート
上の文字を自動読取りするために駐停車禁止区間を常に
撮像し、画像信号を出力する。The imaging unit 1 uses an image processing unit 2 to constantly image the no-parking zone and generate image signals in order to detect when a vehicle enters the no-parking zone and automatically read the characters on the vehicle's license plate. Output.
撮像部１は、第２図に示すように、ズーム・アイリス・
フォーカスの遠隔制御機能を有するレンズｌ ａ ．電
子シャッタ動作機能を有するＣＣＤカメラ１ｈ、発光ダ
イオード群による照明１ｃおよび近赤外フィルタを有す
るストロボ照明１ｄで構成される。撮像部１は次の２つ
のモードで動作する。駐停車禁止区間に車両が進入した
ことを検出するモードのときには、照明Ｌｃで照らして
いる所定の駐停車禁止区間全体を常に撮像し、端末装置
の撮像部で駐停車禁止区域を常に撮像する。また、ナン
バープレート情報を読取るモードのときには、画像処理
部２からの遠隔指令によって所定の大きさにズームアッ
プされ、ストロボ照明を発光させて、車両を撮像する。As shown in FIG. 2, the imaging unit 1 includes a zoom, iris,
Lens la with remote focus control function. It is composed of a CCD camera 1h having an electronic shutter operation function, an illumination 1c using a group of light emitting diodes, and a strobe illumination 1d having a near-infrared filter. The imaging unit 1 operates in the following two modes. When in a mode for detecting that a vehicle has entered a parking/stopping prohibited area, the entire predetermined parking/stopping prohibited area illuminated by the lighting Lc is always imaged, and the parking/stopping prohibited area is always imaged by an imaging unit of a terminal device. When in the license plate information reading mode, the camera is zoomed up to a predetermined size by a remote command from the image processing section 2, and the strobe light is emitted to capture an image of the vehicle.
画像処理部２では撮像部から送られてくる画像信号から
の毎周期の階調の差画像を演算し、所定のしきい値を越
えた場合に車両が進入してきたと判断するとともに、画
面全体における車両の存在位置を計測する。この情報に
より、車両の道路幅員方向のサイズが画面全体の水平方
向の画角に対し、所定の比率の範囲以内であるかどうか
を例断する。ここで、所定の範囲以内でない場合には、
画像処理部２から撮像部１に対し、遠隔制御１こよりズ
ーム制御を行う。The image processing unit 2 calculates the gradation difference image of each cycle from the image signal sent from the imaging unit, and when it exceeds a predetermined threshold value, it is determined that a vehicle is approaching, and also Measure the vehicle's location. Based on this information, it is determined whether the size of the vehicle in the road width direction is within a predetermined ratio range with respect to the horizontal viewing angle of the entire screen. Here, if it is not within the prescribed range,
Zoom control is performed from the image processing section 2 to the imaging section 1 via the remote control 1.
以−■二の動作を繰り返し、画面内における車両の道路
幅員方向のサイズが画面全体に対し、所定の比率範囲に
なるようにする。By repeating the operations in (2) and (2) above, the size of the vehicle in the road width direction within the screen is made to fall within a predetermined ratio range with respect to the entire screen.
次に，画像処理部２に撮像部１にスト［】ボ月明を発光
させて、車両を撮像するように指令を与える。画像処理
部２は、撮像部１よりの画像信号より、ナンバープレー
ト位置を検出する。Next, a command is given to the image processing section 2 to cause the imaging section 1 to emit light and to take an image of the vehicle. The image processing section 2 detects the license plate position from the image signal from the imaging section 1.
ナンバープレート位置が検出されたら、ナン！ζープレ
ート部内の一連番号４桁の水平方向の画面内におけるサ
イズ、一連番号および陸運事務所・車種コード部の垂直
方向のサイズを計測する、ここで、一連番号部と陸運事
務所・車種コード部の垂直方向のサイズの比率により、
中梨プレートか大型プレートかを判断ずる。この結果に
より、後述する文字認識に必要な所定のサイズ範囲（中
型・大型それぞれ存在する）以内｛こ撮像されているか
どうかを利断ずる。所定の範囲外であれば、車両検出時
と同様に、ズーム制御を行い、車両撮像からの動作を繰
り返し、所定のサイズ範囲以内になるように撮像する。Once the license plate position is detected, no! Measure the horizontal size of the four-digit serial number in the ζ-plate section, and the vertical size of the serial number and land transportation office/vehicle model code section.Here, measure the serial number section and the land transportation office/vehicle model code section. Due to the vertical size ratio of
Determine whether it is a medium pear plate or a large plate. Based on this result, it is determined whether the image is captured within a predetermined size range (medium size and large size exist) necessary for character recognition, which will be described later. If it is outside the predetermined size range, zoom control is performed in the same way as when detecting a vehicle, and the operations from vehicle imaging are repeated to capture the image so that the size is within the predetermined size range.
所定のサイズにプレート位置が検出された情報より、各
文字を切り出し、これを認識辞書と照合して、文字認識
を行い、文字コードに変換して、全体制御部３へ送出す
る。画像処理部２は定期的にストロボ照明点灯での撮像
から文字認識までの動作を繰り返し、文字コードを全体
制御部３へ送出する。Each character is cut out from the information that the plate position has been detected to a predetermined size, and is compared with a recognition dictionary to perform character recognition, convert it into a character code, and send it to the overall control section 3. The image processing unit 2 periodically repeats operations from imaging with strobe lighting to character recognition, and sends character codes to the overall control unit 3.
全体制御部３は、画像処理部２で得られた文字情報を次
々と送られてくる文字情報と照合し、同一車両かどうか
を判断する。同一車両が所定の時間を越えて停車してい
ると判断した場合には、該車両に警告を与えるべく、該
車両の文字情報を含んだ警告情報に編集し、音声合成装
置に出力する。The overall control unit 3 compares the character information obtained by the image processing unit 2 with the character information sent one after another, and determines whether the vehicles are the same. If it is determined that the same vehicle has been stopped for more than a predetermined time, the warning information is edited to include character information of the vehicle and output to the speech synthesis device in order to give a warning to the vehicle.
音市合成部４は拡声器５を通して、音声で該車両に警告
を与える。The sound city synthesis unit 4 gives a sound warning to the vehicle through the loudspeaker 5.
発明の効果
本発明は、以上のように構成により駐車違反ｊｌ（両に
警告を与え、駐車違反処理を行うに際し、現地へ人間が
行かなくても２４時間無人で警告を写えることが可能と
なるととら｛こ、交＝１１ 渋滞およσ車両通行の如げ
を回避できる等の効果がある。Effects of the Invention As described above, the present invention has the above-described configuration, so that when a parking violation is issued and a parking violation is processed, the warning can be displayed unattended 24 hours a day without the need for a human to go to the spot. This has the effect of avoiding traffic jams and sluggish vehicular traffic.
第１図は本発明の一実施例における駐車違反自動警告装
置の全体概要を示すブロック図、第２図は撮像部のブロ
ック部である。
Ａ・・・・・・駐車違反自動警告装置、１・・・・・・
撮像部、２・・・・・・画像処理部、３・・・・・・全
体制御部、４・・・・・・音声合成部、５・・・・・・
拡声器。FIG. 1 is a block diagram showing an overall outline of an automatic parking violation warning device according to an embodiment of the present invention, and FIG. 2 is a block diagram of an imaging section. A... Automatic parking violation warning device, 1...
Imaging unit, 2...Image processing unit, 3...General control unit, 4...Speech synthesis unit, 5...
Loudspeaker.
Claims (1)
信号を送出する撮像部と、この撮像部から送出された画
像信号の中から、進入してきた車両のナンバープレート
部の文字を認識する画像処理部と、この画像処理部から
の文字情報を照合して同一車両の停車時間が所定値を越
えたときに該車両に警告を与えるべく文字情報を編集し
、音声合成部へ出力する制御部と、該車両に音声で警告
を与えるための音声合成部とを具備する駐車違反自動警
告装置。An imaging unit that images the vehicle stopped in a no-parking area and then sends out an image signal, and an image that recognizes the characters on the license plate of the vehicle that has entered from the image signals sent from the imaging unit. A control unit that collates the text information from the processing unit and the image processing unit, edits the text information in order to issue a warning to the vehicle when the stopping time of the same vehicle exceeds a predetermined value, and outputs the edited text information to the speech synthesis unit. An automatic parking violation warning device comprising: and a voice synthesis unit for giving a voice warning to the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1164665A JP2646754B2 (en) | 1989-06-27 | 1989-06-27 | Automatic parking violation warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1164665A JP2646754B2 (en) | 1989-06-27 | 1989-06-27 | Automatic parking violation warning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0329100A true JPH0329100A (en) | 1991-02-07 |
| JP2646754B2 JP2646754B2 (en) | 1997-08-27 |
Family
ID=15797495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1164665A Expired - Fee Related JP2646754B2 (en) | 1989-06-27 | 1989-06-27 | Automatic parking violation warning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2646754B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6004402A (en) * | 1994-10-06 | 1999-12-21 | Xomed Surgical Products, Inc. | Method of cleaning silicon material with a sponge |
| US6080092A (en) * | 1994-10-06 | 2000-06-27 | Xomed Surgical Products, Inc. | Industrial cleaning sponge |
| FR2802004A1 (en) * | 1999-12-03 | 2001-06-08 | Decaux S A | Detection of unauthorized parking in a reserved parking space by use of a camera and image processing electronics to determine if the vehicle license plate is authorized or not, and if not triggering of an alarm |
| US6329438B1 (en) | 1994-10-06 | 2001-12-11 | Medtronic Xomed, Inc. | High density sponge and method and apparatus for rinsing a high density sponge |
| CN110415528A (en) * | 2019-08-01 | 2019-11-05 | 中国地质大学（北京） | A vehicle parking warning system and method based on electronic license plate |
| CN110700138A (en) * | 2019-08-27 | 2020-01-17 | 张雪华 | Intelligent monitoring method and system based on parking space identification |
| JP2023151196A (en) * | 2022-03-31 | 2023-10-16 | 三菱重工機械システム株式会社 | Image processing device, license plate recognition system, license plate recognition method |
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| JPS5933599U (en) * | 1982-08-27 | 1984-03-01 | 株式会社邑上製作所 | Road traffic law violation vehicle and nuisance vehicle warning device with sound generation function |
| JPH022493A (en) * | 1988-06-10 | 1990-01-08 | Omron Tateisi Electron Co | Illegal parking monitor system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5933599U (en) * | 1982-08-27 | 1984-03-01 | 株式会社邑上製作所 | Road traffic law violation vehicle and nuisance vehicle warning device with sound generation function |
| JPH022493A (en) * | 1988-06-10 | 1990-01-08 | Omron Tateisi Electron Co | Illegal parking monitor system |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6004402A (en) * | 1994-10-06 | 1999-12-21 | Xomed Surgical Products, Inc. | Method of cleaning silicon material with a sponge |
| US6080092A (en) * | 1994-10-06 | 2000-06-27 | Xomed Surgical Products, Inc. | Industrial cleaning sponge |
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|---|---|
| JP2646754B2 (en) | 1997-08-27 |
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