JP2002197589A - Device for detecting parking vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To overcome such a problem that a conventional device cannot detect an illegally parking vehicle automatically and cannot collect the information required for control automatically. SOLUTION: It is determined whether the vehicle is parked in a parking prohibition area or not based on information of a license plate at the entrance of the area, and also, a vehicle image comprising a driver and number information are transmitted to a central unit so that information required for detecting the parking vehicle and for exercising the control is automatically collected.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parked vehicle detection device for controlling a parked vehicle in a no-parking area.

[0002]

2. Description of the Related Art FIG. 9 is a schematic view showing a conventional parked vehicle detection device, wherein 1 is a road, 2 is a parking prohibited area, 3 is a vehicle, 4 is a moving image photographing unit, 5 is a moving image video cable, and 6 is a control unit. , 7 is a moving picture video line, 8 is a central unit, 9 is an audio line,
10 is an audio cable, and 11 is a loudspeaker. When the vehicle 3 is parked in the no-parking area 2 of the road 1, the moving image photographing unit 4 for photographing the no-parking area 2 converts the image captured by the moving image video cable 5 via the controller 6 into the moving image video. The signal is transmitted to the central unit 8 via the line 7.

[0003] According to the result of the judgment by the central unit 8, a voice such as a warning to the vehicle 3 is transmitted to the controller 6 through a voice line 9,
Further, the voice is transmitted to the loudspeaker 11 by the voice cable 10, and the loudspeaker 11 loudspeaks the voice.

FIG. 10 is a block diagram of a conventional device.
Reference numeral 12 denotes a moving image transmitting unit, 13 denotes an audio amplifying unit, 14 denotes a moving image display unit, 15 denotes a sound collecting unit, and 4 to 11 are the same as those in FIG.

[0005] The video captured by the video capturing unit 4 is transmitted to the video display unit 14 via the video transmission line 12 via the video video cable 5 and the video video line 7. The voice transmitted from the sound collector 15 is transmitted to the loudspeaker 11 via the voice line 10 via the voice cable 9 via the voice amplifier 9, and the loudspeaker 11 loudspeaks the voice. The controller 6 has a moving image transmitting unit 12 and an audio amplifying unit 13 mounted thereon, and the central unit 8 has a moving image display unit 14 and a sound collecting unit 15 mounted thereon.

[0006] As described above, in the related art, a person who is in the central device can visually check an image photographed by the photographing unit to see if there is any vehicle parked in the parking prohibited area. Warned to move the vehicle by voice.

[0007]

As described above, in the related art, a person who is in the central unit can always visually check the image captured by the image capturing unit to see if any vehicle is parked in the parking prohibited area. If so, it is necessary to warn by voice to urge the vehicle to move, which is troublesome. In addition, if there is a vehicle that does not move even if a warning is issued, it is necessary for a person to go to the site and crack down.

According to the present invention, it is possible to detect a vehicle parked in a parking prohibition area for 24 hours unattended, and to control a parked vehicle by a central device without going to the site.

[0009]

According to a first aspect of the present invention, there is provided a parked vehicle detection device which performs a license plate detection process for an image captured by the image capture unit installed for monitoring a parking prohibited area and an image captured by the image capture unit. In the vehicle detection device having an image processing unit that generates information when a license plate is present and transmits the information to the central device on the inflow side and the outflow side of the parking prohibited area, the inflow side image processing unit installed in the central device and The data storage unit that stores the number information, image information, and number detection time information transmitted from the outflow-side image processing unit, respectively, compares the inflow-side number information and outflow-side number information stored in the data storage unit with the same number. A passing time calculating unit that calculates a required time for the vehicle to pass through the parking prohibition area based on the number detection times of the inflow side and the outflow side, A judgment result output unit for outputting the information stored in the storage unit when the transit time of the vehicle calculated between calculator is equal to or more than the set value, but having a.

The parked vehicle detection device of the second invention compares the number information detected by the inflow-side image processing section with the number information detected by the outflow-side image processing section. The time required to pass through the parking prohibition area is calculated from the time difference between the number detection time at the side shooting unit and the number detection time at the outflow side shooting unit, and it is determined whether the calculated time required to pass is greater than or less than the preset time registered. The determination unit, and the number information, image information, number detection time information, and required passage time information generated by the inflow-side image processing unit and the outflow-side image processing unit only when the determination unit determines that the time is longer than the set time. And a transmission control unit for transmitting the data to the central device.

According to a third aspect of the present invention, there is provided a parked vehicle detection device comprising: a moving image photographing section for photographing a moving image of the entire parking prohibited area; a moving image transmitting section for transmitting an image photographed by the moving image photographing section to a central device; An image recording unit that is installed and records the moving image transmitted from the image transmission unit together with the shooting time.

According to a fourth aspect of the present invention, there is provided a parked vehicle detection device, wherein an image taken by the moving image photographing section is subjected to image processing by the moving image transmitting section for a vehicle that has entered the parking prohibited area, and a vehicle running abnormally is generated. A moving image recording unit that records a moving image photographed by the moving image photographing unit, presence / absence of an abnormal operation as a result of image processing of the moving image, details of the abnormality, and information including an occurrence time. is there.

The parked vehicle detection device according to a fifth aspect of the present invention is configured such that the outgoing-side image processing unit cannot detect the license plate even if the number plate detected by the inflow-side image processing unit exceeds a set value. A voice warning unit for automatically voice warning.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a conceptual diagram of Embodiment 1 of a parked vehicle detection device according to the present invention,
Reference numeral 16 denotes a license plate, 17 denotes an arrow indicating a traveling direction, 18 denotes an inflow-side photographing unit, 19 denotes an inflow-side photographing area, 2
0 is an inflow camera cable, 21 is an inflow controller, 22
Is an inflow side data line, 23 is an outflow side imaging section, 24 is an outflow side imaging area, 25 is an outflow side camera cable, 26 is an outflow side controller, and 27 is an outflow side data line.
3 and 8 are the same as those in FIG.

In FIG. 1, a license plate 16 attached to the vehicle 3, an arrow 17 indicating the traveling direction of the vehicle, and the vehicle 3 installed on the road 1 and entering the parking prohibited area 2 are photographed.

The inflow-side photographing area 19 photographed by the inflow-side photographing section 18 transmits an image photographed by the inflow-side photographing section 18 to the inflow-side camera 21 via the inflow-side camera cable 20 and photographs by the inflow-side photographing section 18. A number detection process is performed on the obtained image.

When the license plate 16 is detected in the photographing area 19 on the inflow side, the inflow side controller 21 transmits the number information, image information, and number detection time information to the central device 8.
The outflow side data line 22 transmits the number information, image information, and number detection time information detected on the inflow side of the parking prohibited area 2 to the central device 8. The vehicle 3 coming out of the parking prohibition area 2 installed at the exit side of the vehicle 2 is photographed.

An outflow side photographing area 24 photographed by the outflow side photographing section 23 and an image photographed by the outflow side photographing section 23 are transmitted to an outflow side camera 26 via an outflow side camera cable 25 and photographed by the outflow side photographing section 23. A number detection process is performed on the image.

Next, the operation will be described. FIG. 2 is a block diagram showing Embodiment 1 of the parked vehicle detection device according to the present invention, in which 28 is an inflow-side image processing unit, 29 is an outflow-side image processing unit, 30 is a data storage unit, and 31 is a passage time calculation unit. , 32 are determination result output units, 8 is the same as that in FIG. 9, and 18, 20 to 23, and 25 to 27 are the same as those in FIG.

In FIG. 2, the inflow side photographing section 18 constantly photographs the inflow section of the parking prohibited area, and outputs the taken image to the inflow side image processing section 28 via the inflow side camera cable 20. The inflow-side image processing unit 28 always performs a license plate detection process on the image photographed by the inflow-side photographing unit 18. If a license plate is detected, the detected license information, the license plate used for the license detection, and the driver The image information and the number obtained by converting the entire image of the vehicle including the image data into numbers are detected to generate time information at which the image was captured, and transmitted to the data storage unit 30 via the inflow data line 22.

When the license plate 16 is detected in the outflow side photographing area 24, the outflow side controller 26 equipped with the outflow side image processing section 29 transmits the number information, the image information and the number detection time information to the central unit 8. The outflow side data line 27 transmits the number information, image information, and number detection time information detected on the outflow side of the parking prohibited area 2 to the central device 8.
The outflow side controller 21 and the outflow side controller 26 installed on the outflow side are installed on the inflow side of the parking prohibited area 2.

The passing time calculation unit 31 performs a comparison process on the stored number information, and when the same number information is detected on the inflow side and the outflow side of the parking prohibited area 2, the vehicle 3 is parked based on the number detection time information. The transit time required to pass through the prohibited area 2 is calculated. The central device 8 outputs the number information, the image information, and the number detection time information when the passage time is equal to or longer than a predetermined time.
2 is implemented.

The outflow side photographing section 18 constantly photographs the outflow section of the parking prohibition area and captures the photographed image.
5 to the outflow side image processing unit 29. The outflow-side image processing unit 29 always performs a license plate detection process on the image captured by the outflow-side imaging unit 23. If a license plate is detected, the detected license information, the license plate used for the license detection, and the driver The image information and the number obtained by converting the entire image of the vehicle including the image data into numbers are detected to generate time information at which the image was taken, and transmitted to the data storage unit 30 via the outflow side data line 27.

In the data storage section 30, the inflow side image processing section 2
8 and the number information, image information, and number detection time information transmitted from the outflow side image processing unit 29, respectively. The determination result output unit 32 determines the magnitude of the required traveling time of the vehicle output from the passing time calculation unit based on a certain set value. If the determined value is greater than the set value, the vehicle is parked in the parking prohibited area. Judgment is made, and the number information, image information and number detection time information are taken out from the data storage unit 30 and output to a display or the like together with the passing time.

As described above, by collecting and outputting the vehicle number information and the vehicle image information including the driver, the number information of the vehicle that has traveled in the parking prohibition area for more than the set time is obtained.
It is possible to automatically detect a vehicle that is predicted to be parked in the parking prohibited area.

According to the above, whether or not a vehicle is parked in the parking prohibition area can be determined with a certain degree of establishment, and the number information and image information of the vehicle that is presumed to be parked are automatically converted to 24. Time can be collected.

Embodiment 2 FIG. FIG. 3 is a conceptual diagram of Embodiment 2 of the parked vehicle detection device according to the present invention, in which 33 is an integrated controller, 34 is a data line, and 1, 2, 3, and 8
Are the same as those in FIG. 9, and 16 to 20, 23 to 25 are the same as those in FIG.

In FIG. 3, the inflow side photographing section 18 is a license plate 1 of the vehicle 3 which has entered the inflow side photographing area 19.
6 is photographed and transferred to the integrated controller 33 by the inflow camera cable 20. Similarly, the outflow side photographing unit 23
Captures the license plate 16 of the vehicle 3 that has entered the outflow-side imaging area 24 and transfers it to the integrated controller 33 by the outflow-side camera cable 25. Integrated controller 33
Transmits information calculated from the photographing data of the inflow side photographing unit 18 and the outflow side photographing unit 23 to the central unit 8 via the data line 34.

The number information detected by the inflow side photographing section 18 is compared with the number information photographed by the outflow side photographing section 23. If the number information is the same, the inflow side photographing section 1 is checked.
The time required to pass through the parking prohibition area 2 is calculated from the time difference between the number detection time at No. 8 and the number detection time at the outflow side photographing unit 23, and it is determined whether the calculated required time is greater than or less than a preset time registered. judge.

Next, the operation will be described. FIG. 4 is a block diagram showing Embodiment 2 of the parked vehicle detection device according to the present invention, wherein 35 is a calculation unit, 36 is a transmission control unit,
8 is the same as FIG. 9, 28-34 are the same as FIG.
0, 23 and 25 are the same as those in FIG.

In FIG. 4, a calculation unit 35 and a transmission control unit 36 are added to FIG. 2 of the first embodiment. In addition, a calculating unit 35 for calculating the required time for passing the vehicle and a transmission control unit 36 for transmitting the number information, image information, number detection time information, and required time for passing when the required time for passing is longer than the set time are included. The data line 34 transmits the data transmitted from the transmission control unit 36 to the data storage unit 30.

The calculating section 35 receives the number information, image information and number detection time information generated by the inflow side image processing section 28 and the outflow side image processing section 29, and detects the number information detected on the inflow side on the outflow side. Measure the time until it is done. When the measured time is equal to or longer than the set value, the number information, image information, and number detection information are stored in the data storage unit 3.
It transmits to 0, and does not transmit if it is less than the set value. With the above configuration, only the number information, image information, and number detection time information of the vehicle determined to be parked in the parking prohibited area 2 can be transmitted to the central device 8.

According to the above, the number of data on the line can be reduced by transmitting the number information and the image information only to the vehicle determined to be parked.

Embodiment 3 FIG. 5 is a conceptual diagram of Embodiment 3 of the parked vehicle detection device according to the present invention, in which 37 is a moving image controller, and 1, 2, and 3 are the same as in FIG.
7 and 8 are the same as in FIG. 10, and 16 to 20 and 23 to 25 are in FIG.
33 and 34 are the same as those in FIG.

In FIG. 5, a moving image controller 37 is added to FIG. 3 of the second embodiment, and the moving image controller 37 obtains a moving image taken by the moving 7 to the central unit 8.

The vehicle 3 that has entered the road 1 in the direction of the arrow 17 representing the traveling direction enters the parking prohibited area 2 and passes through the outflow side photographing area 24 without traveling to the output side.
For the vehicle 3 performing an abnormal run to a turn, a back, an opposite lane, a roadside lane, a sidewalk, or the like, by recording a moving image captured by the moving image capturing unit 4 or performing image processing,
It is possible to cope with a case where the processing is difficult with the above-described normal detection.

In the description and description of FIG. 5, the case is described where it is outside the inflow side shooting area 19 and the outflow side shooting area 24. Outflow side shooting area 2
4 can be similarly processed.

Here, the fields of view necessary for the three types of photographing units will be described from the viewpoints aimed at by the respective photographing units. The inflow-side imaging unit 18 and the outflow-side imaging unit 23 need to have a field of view that can identify the numbers on the license plate 16 of the vehicle 3 that has entered the inflow-side imaging area 19 and the outflow-side imaging area 24. It is sufficient that the visual field is such that the entire vehicle 3 that has entered the parking prohibition area 2 badly moves can be understood.

As described above, the length of the inflow-side shooting area 19 and the outflow-side shooting area 24 in the road direction is 2 m to 3 m.
m, the length in the road direction of the parking prohibition area 2 is 100 m to 2
00m is possible with a conventional camera.

Next, the operation will be described. FIG. 6 is a block diagram showing a specific example of the third embodiment, in which 38 is a moving image recording unit, and 4, 5, and 8 are the same as those in FIG.
Are the same as those in FIG. 10, 18, 20, 23, and 25 are the same as those in FIG. 1, 28, 29, 30, and 32 are the same as those in FIG.
Are the same as those in FIG. 3, 35 and 36 are the same as those in FIG.
Is the same as FIG.

In FIG. 6, a moving image recording unit 38 is added to FIG. 4 of the second embodiment.
Is output to the moving image transmission unit 29. The moving image transmission unit 12 converts the image photographed by the moving image photographing unit 4 into the moving image recording unit 3 mounted on the central unit 8 via the moving image video line 7.
8 is transmitted. The moving image recording unit 38 records the transmitted moving image video on a recording medium together with the shooting time.

The image photographed by the moving image photographing unit 4 is subjected to image processing by the moving image transmitting unit 12 for the vehicle 3 that has entered the parking prohibited area 2. Records a moving image photographed by the moving image photographing unit 4, the presence or absence of an abnormal operation as a result of the image processing of the moving image, the contents of the abnormality, and information on the occurrence time.

With the above configuration, whether the vehicle predicted to be parked based on the required time to pass through the parking prohibited area is actually parked is determined by the image information and the passing time information output from the determination result output unit. It is possible to make a reliable determination by comparing the moving image with the moving image recorded by the moving image recording unit.

According to the above, it is possible to reliably determine that the vehicle is parked in the parking prohibited area.

Embodiment 4 FIG. 7 is a conceptual diagram of a fourth embodiment of a parked vehicle detection device according to the present invention, in which reference numeral 39 denotes a controller with an audio warning function, and 1, 2, 3, 8, 10, 1
1 is the same as FIG. 9, 16 to 20, 23 to 25 are the same as FIG. 1, and 34 is the same as FIG.

In FIG. 7, a controller 39 with a voice warning function is added to FIG. 5 of the third embodiment, and the controller 39 with a voice warning function determines that it is necessary to output a voice signal for warning as a result of the determination. The audio is amplified and an audio signal is sent to the loudspeaker unit 11 via the audio cable 10.

Next, the operation will be described. FIG. 8 is a block diagram showing a fourth embodiment of the parked vehicle detection device according to the present invention, in which 40 is a determination unit, 8, 10, and 11 are the same as FIG. 9, 13 is the same as FIG. , 23,
25 is the same as FIG. 1, 28 to 30 and 32 are the same as FIG.
4 is the same as FIG. 3, 35 and 36 are the same as FIG. 4, 39 is FIG.
Is the same as

In FIG. 8, a judgment unit 40 is added to FIG. 6 of the third embodiment, and the calculation unit 3 is added to the integrated controller 33.
When the number information detected by the inflow-side image processing unit 28 in step 5 is not detected by the outflow-side image processing unit 29 even after the set time has passed, the determination unit 40 that outputs an audio signal to the audio amplification unit 13 and the audio This is a controller 39 with a voice warning function to which the amplification unit 13 is added. The audio amplifier 13 is an audio cable 10
A voice signal is sent to the loudspeaker 11 to warn the voice and urge the driver to move the vehicle.

With the above arrangement, if any of the vehicles that have entered the parking prohibition area 2 do not pass through the parking prohibition area 2 even after the lapse of the set time or more, a voice warning is automatically issued and the driver is prompted to move the vehicle. Can be encouraged.

According to the above, it is possible to automatically warn the vehicle parked in the parking prohibited area for 24 hours to urge the vehicle to move.

[0051]

As described above, according to the present invention, it is possible to accurately determine whether a vehicle is parked in a no-parking area, and to obtain the number information of a vehicle presumed to be parked. , Image information is automatically
The time can be collected, the vehicle parked in the parking prohibited area can be automatically warned, and the movement of the vehicle can be encouraged, and the effect of reducing traffic congestion can be exhibited.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram of Embodiment 1 of a parked vehicle detection device according to the present invention.

FIG. 2 is a block diagram showing Embodiment 1 of the parked vehicle detection device according to the present invention.

FIG. 3 is a conceptual diagram of Embodiment 2 of a parked vehicle detection device according to the present invention.

FIG. 4 is a block diagram showing Embodiment 2 of a parked vehicle detection device according to the present invention.

FIG. 5 is a conceptual diagram of Embodiment 3 of a parked vehicle detection device according to the present invention.

FIG. 6 is a block diagram showing Embodiment 3 of a parked vehicle detection device according to the present invention.

FIG. 7 is a conceptual diagram of Embodiment 4 of a parked vehicle detection device according to the present invention.

FIG. 8 is a block diagram showing Embodiment 4 of a parked vehicle detection device according to the present invention.

FIG. 9 is a schematic diagram showing a conventional parked vehicle detection device.

FIG. 10 is a block diagram of a conventional device.

[Explanation of Signs] 1 Road, 2 No parking area, 3 Vehicle, 4
Video shooting unit, 5 video cable, 6 controller,
7 video and video lines, 8 central unit, 9 audio lines,
10 audio cable, 11 loudspeaker, 12 video transmitter, 13 audio amplifier, 14 video display,
15 sound collecting section, 16 license plate, 17 arrow indicating running direction, 18 inflow side photographing section, 19
Inflow side shooting area, 20 Inflow side camera cable,
21 Inlet side controller, 22 Inlet side data line, 23
Outflow side imaging unit, 24 Outflow side imaging area, 25 Outflow side camera cable, 26 Outflow side controller, 27
Outflow side data line, 28 Inflow side image processing unit, 29
Outflow side image processing unit, 30 data storage unit, 31 transit time calculation unit, 32 judgment result output unit, 33 integrated controller, 34 data line, 35 calculation unit 36 transmission control unit, 37 video control unit, 38 video recording unit , 39 control unit with voice warning function, 40 judgment unit

Claims (5)

[Claims] 1. A photographing unit installed to monitor a parking prohibited area, and a license plate detection process is performed on an image photographed by the photographing unit. A vehicle detection device having an image processing unit for transmitting to the parking prohibition area on the inflow side and the outflow side, wherein the number information and the image information installed in the central device and transmitted from the inflow side image processing unit and the outflow side image processing unit A data storage unit for storing the number detection time information, and comparing the inflow-side number information and the outflow-side number information stored in the data storage unit. A passing time calculating unit that calculates a required time for the vehicle to pass through the parking prohibition area based on the time; and a time when the vehicle calculated by the passing time calculating unit passes. A determination result output unit that outputs information stored in the storage unit when the interval is equal to or greater than a set value. 2. The number information detected by the inflow-side image processing unit is compared with the number information detected by the outflow-side image processing unit. If the number information is the same, the number detection time in the inflow-side imaging unit is determined. A determination unit that calculates a required time for passing through the parking prohibition area from a time difference between the number detection time of the outflow-side imaging unit and the number detection time, and determines whether the calculated required time for passing is greater than or less than a preset time that has been registered; The number information, the image information, the number detection time information, and the required passage time information generated by the inflow-side image processing unit and the outflow-side image processing unit are transmitted to the central unit only when it is determined that the time is longer than the set time. The parked vehicle detection device according to claim 1, further comprising a control unit. 3. A moving image photographing unit for photographing a moving image of the entire parking prohibited area, a moving image transmitting unit transmitting an image photographed by the moving image photographing unit to a central device, and an image transmitting unit installed in the central device. The parked vehicle detection device according to claim 1, further comprising: a moving image recording unit that records the transmitted moving image together with a shooting time. 4. An image taken by the moving image photographing unit is subjected to image processing by the moving image transmitting unit for a vehicle that has entered the parking prohibition area. 4. A moving image recording unit for recording a captured moving image, presence / absence of abnormal operation as a result of image processing of the moving image, details of the abnormality, and information including an occurrence time. Parked vehicle detection device. 5. An audio warning section for automatically issuing an audio warning when the determination section fails to detect the license plate detected by the inflow side image processing section even if the license plate detected by the outflow side image processing section exceeds the set value. The parked vehicle detection device according to any one of claims 2 to 4, comprising: