JP2007133752A - Vehicle model discrimination device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To automatically process a toll of a vehicle in which a toll different from its external features is set. <P>SOLUTION: This vehicle model discrimination device is used to properly process a toll of an omnibus vehicle explained with a bus as an example. For a bus on a regular route, there is a special rule that a vehicle to be classified originally into an extra large-sized vehicle according to a condition such as a vehicle size is classified into a large-sized vehicle because of its publicness, and it is difficult to perform automatic vehicle model discrimination using external feature quantity. Therefore, for vehicles whose use area is limited because their vehicle models can not be discriminated, each of the vehicles is specified by measuring number plate information, vehicle model information is registered in the vehicle model discrimination device for each of the vehicles, and the vehicle model information is used to perform vehicle model discrimination to thereby execute vehicle model discrimination. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a technique for automatically discriminating a vehicle type at a toll gate on a toll road.

  At toll gates on toll roads, the vehicle type is identified by recognizing the license plate, the size of the vehicle, etc., in order to perform toll processing according to the vehicle type. A technique for accurately recognizing a vehicle type according to a toll is desired.

Patent Document 1 describes a vehicle type identification system that can determine the type of a vehicle as accurately as possible. This vehicle type discrimination system includes a vehicle type change history table, a license plate acquisition device, a vehicle type discrimination sensor, and a discrimination processing means. The vehicle type change history table stores a registration number and a registered vehicle vehicle type in association with each other, The license plate acquisition device images the number plate of the approaching vehicle and identifies the approaching vehicle. The vehicle type discrimination sensor acquires specification data of the approaching vehicle. The discrimination processing means discriminates the approaching vehicle type of the approaching vehicle based on the acquisition number and the specification data. On the other hand, when the acquisition number matches the registration number, the determination processing means determines that the approaching vehicle model is a registered vehicle model associated with the registration number.
JP 2004-303164 A

An object of the present invention is to provide a vehicle type discriminating apparatus that automatically discriminates a vehicle type of a vehicle for which a special toll is set.
Another object of the present invention is to provide a vehicle type discriminating device for automatically discriminating a vehicle type of a vehicle in which a toll fee cannot be discriminated from a general license plate arrangement, a vehicle outer shape, or the like.
Still another object of the present invention is to provide a vehicle type discriminating apparatus that reduces the burden on a toll gate operator.
Still another object of the present invention is to provide a vehicle type discriminating apparatus that enables automatic processing by setting different charges for a vehicle that cannot be distinguished from the outer shape of the vehicle.
Still another object of the present invention is to provide a vehicle type discriminating apparatus that can achieve the above-described problem even for a vehicle in which it is difficult to read a license plate.

  In the following, means for solving the problem will be described using the numbers used in [Best Mode for Carrying Out the Invention] in parentheses. These numbers are added to clarify the correspondence between the description of [Claims] and [Best Mode for Carrying Out the Invention]. However, these numbers should not be used to interpret the technical scope of the invention described in [Claims].

  The vehicle type discriminating apparatus according to the present invention is used for appropriately processing tolls of a riding-type vehicle exemplified by a bus. There is a special case of route buses that are classified as extra-large vehicles based on conditions such as the size of the vehicles, and that are classified as large vehicles because of their public nature. Discrimination is difficult. Therefore, for vehicles where the vehicle type cannot be identified and the area of use is limited, individual vehicles are identified by measuring the license plate information, and the vehicle type information is registered in the vehicle type identification device for each vehicle described above. Car type discrimination is performed by performing car type discrimination using this.

  The vehicle type discriminating apparatus according to the present invention includes an image processing unit (28) that extracts measurement number plate information that is a feature amount from an image of a license plate of a vehicle at a toll gate on a toll road, and registered license plate information (54) collected in advance. ) Is recorded, a collation unit (48) that generates collation information indicating a result of collation of the measured license plate information and the registered license plate information (54), and the vehicle using the collation information. A vehicle type discriminating unit (50) for generating vehicle type information indicating the vehicle type.

  In the vehicle type identification device according to the present invention, the registered vehicle type information (56) indicating the vehicle type and associated with the registered license plate information (54) is recorded in the storage unit (20). The vehicle type discriminating apparatus further includes a vehicle type candidate extraction unit (52) that extracts, as vehicle type candidate information, registered vehicle type information (56) corresponding to the registered license plate information (54) whose results collated in the storage unit (20) match. . A vehicle type discrimination | determination part (50) produces | generates vehicle type information using vehicle type candidate information.

  The vehicle type identification device according to the present invention includes a vehicle measurement unit (6) that measures the outer shape of a vehicle and generates measurement vehicle type information indicating the vehicle type based on the outer shape. A vehicle type discrimination | determination part (50) selects either vehicle type candidate information or measurement vehicle type information as vehicle type information according to a predetermined reference | standard.

  In the vehicle type identification device according to the present invention, measurement vehicle type candidate information (58) associated with the registered license plate information (54) is recorded in the storage unit (20). The vehicle type discriminating unit (50) is manned at the toll booth when the measured vehicle type candidate information (58) corresponding to the registered license plate information (54) with the matched result in the storage unit (20) does not include the measured vehicle type information. A vehicle type unknown signal is transmitted so as to output to the output device (24) installed in the booth (14) that the vehicle type is unknown.

  In the vehicle type identification device according to the present invention, the vehicle type identification unit (50) receives information indicating the vehicle type input from the input device (22) installed in the manned booth (14) when the vehicle type unknown signal is transmitted. To be used for vehicle type information.

  In the vehicle type discriminating apparatus according to the present invention, vehicle type discriminating reference information (61, 62) is recorded in the storage unit (20) in association with the registered license plate information (54). The predetermined reference is set using the vehicle type determination reference information (61, 62) corresponding to the registered license plate information (54) with the matching result matched.

  In the vehicle type identification device according to the present invention, the outer shape includes the number of measurement axes of the vehicle axle. The vehicle type discrimination reference information (61, 62) includes the allowable number of axes (62). The predetermined reference is a magnitude relationship between the number of measurement axes and the number of allowable axes (62).

  In the vehicle type identification device according to the present invention, the outer shape includes the number of measurement axes of the vehicle axle. The vehicle type discrimination reference information (61, 62) includes the allowable number of axes (62) and the number of rank-up axes (63). The rank-up processing unit (53) is larger than the registered vehicle type information (56) when the number of measurement axes is larger than the allowable axis number (62) and smaller than the sum of the allowable axis number (62) and the rank-up axis number. Vehicle type information indicating the vehicle type is generated.

  In the vehicle type discriminating apparatus according to the present invention, the storage unit (20) stores toll information (66) indicating the magnitude relationship of tolls depending on the type of vehicle. At least one of the vehicle type discrimination criterion information (62) refers to the toll information (66) and employs the vehicle type candidate information and the measured vehicle type information with the smaller toll for the vehicle type information. .

  In the vehicle type identification device according to the present invention, the expiration date information (60) is recorded in the storage unit (20) in association with the registered license plate information (54). The vehicle type discriminating unit (50) invalidates the registered license plate information (54) that has passed the expiration date shown in the expiration date information (60) when generating the vehicle type information.

  The vehicle type discriminating device according to the present invention writes a pass ticket information corresponding to the vehicle type information into the pass ticket and automatically places the pass ticket in a place where the vehicle occupant can receive it from the inside of the vehicle. 40).

  In the vehicle type identification device according to the present invention, the storage unit (20) records the collation non-use information corresponding to at least one digit of the information indicating the classification number (N5) in the registered license plate information (54). Is possible. A collation part (48) produces | generates collation information by performing collation except the digit in which collation non-use information was recorded.

ADVANTAGE OF THE INVENTION According to this invention, the vehicle type discrimination | determination apparatus which discriminate | determines the vehicle type of the vehicle in which the special toll is set automatically is provided.
Furthermore, according to the present invention, there is provided a vehicle type discriminating device for automatically discriminating a vehicle type in which a toll cannot be discriminated from a general license plate arrangement, a vehicle outer shape, or the like.
Furthermore, according to the present invention, a vehicle type discriminating apparatus that reduces the burden on a toll gate operator is provided.
Furthermore, according to the present invention, there is provided a vehicle type discriminating apparatus that enables automatic processing by setting different charges for a vehicle that cannot be distinguished from the outer shape of the vehicle.
Furthermore, according to the present invention, there is provided a vehicle type discriminating apparatus that can achieve the above-described effect even for a vehicle in which it is difficult to read a license plate.

  The best mode for carrying out a vehicle type identification device according to the present invention will be described below with reference to the drawings. In the following description, an operation that the arithmetic processing device reads a program recorded in a storage device and executes according to a procedure described in the program is described as an operation that the program itself executes.

  FIG. 1 shows the structure of an entrance toll gate on a toll road. The toll booth includes a plurality of lanes 2. A vehicle detector 4, a vehicle measuring instrument 6, and a camera 8 are installed on the entrance side of the lane 2. The vehicle detector 4 detects the approach of the vehicle. The vehicle measuring instrument 6 detects the vehicle height, vehicle length, tire width, number of axles, and the like. The camera 8 photographs a vehicle license plate. A ticket issuing machine 10 and a start controller 12 are installed near the exit of the toll gate. The vehicle detector 4, the vehicle type measuring device 6, the camera 8, the pass ticket issuing machine 10, and the start controller 12 communicate with a server 16 installed in a manned booth 14 provided for a plurality of lanes 2 at the toll gate. Connected as possible.

  FIG. 2 shows the configuration of the server 16. The server 16 includes an arithmetic processing device 18, a storage device 20, an input device 22, an output device 24, a communication device 26, and an image processing device 28.

  FIG. 3 shows the configuration of the pass ticket issuing machine 10. The pass ticket issuing machine 10 includes an arithmetic processing device 30, a storage device 32, an input device 34, an output device 36, a communication device 38, and a pass ticket issuing device 40.

  FIG. 4 shows the configuration of the storage device 20. In the storage device 20, a license plate database 42, a toll information table 44, a vehicle type determination condition table 45, and a vehicle type determination program 46 are recorded. The vehicle type determination program 46 includes a collation unit 48, a vehicle type determination unit 50, a vehicle type candidate extraction unit 52, an axis number determination unit 52, and a rank increase processing unit 53.

  FIG. 5 shows the configuration of the license plate database 42. The license plate database 42 stores registered license plate information 54, registered vehicle type 56, measurement vehicle type candidate 58, expiration date 60, collation flag 61, allowable number of axes 62, and rank-up processing 63 in association with each other. The registered license plate information 54 includes character information described on the license plate and information on the type of size of the license plate. The registered vehicle type 56 indicates a vehicle type classification for processing a toll for a vehicle having a license plate registered in the registered license plate information 54.

  The measurement vehicle type candidate 58 may be classified as a vehicle type when a vehicle having a license plate registered in the registered license plate information 54 is classified according to measurement by the vehicle detector 4 and the vehicle measurement device 6. Indicates. For example, when a certain bus is extraordinary in terms of the external features of the vehicle and is large in toll, information indicating the extraordinary size is registered in the registered vehicle type 56 and the extra vehicle size candidate 58 is registered. If there is a possibility that a certain bus is determined to be large due to its external features and may be determined to be extra large, two types of vehicles, extra large and large, are registered in the measurement vehicle type candidate 58.

  The expiration date 60 indicates a period during which fee processing based on the registered license plate information 54 registered in the license plate database 42 is enabled. The verification flag 61 is a flag indicating the type of processing method when the registered vehicle type 56 and the measured vehicle type do not match.

  The allowable number of axes 62 indicates the maximum allowable number of axles of the vehicle. For example, when it is determined that the number of axles of the vehicle recorded in the record is 3 or less, 3 is recorded as the allowable number of axes 62. In the rank-up process 63, information indicating how to handle the excess number of axes that is the difference when the number of measured axes, which is the number of axles measured by the vehicle measuring instrument 6, is larger than the allowable number of axes is registered. . If “measurement axis number ≦ allowable axis number + number of axes recorded in rank-up process” is satisfied, passage is permitted. For example, if “0” is registered in the rank-up process 63, it is determined that a vehicle having an excess number of axes of 1 or more is unknown, and traffic is not permitted. When “1” is registered, a vehicle whose number of excess axes is 1 or less is subjected to a vehicle type determination process (ranking process for a vehicle type larger than the registered vehicle type 56) according to the number of measurement axes. When “2” is registered, a vehicle whose excess axis number is 2 or less is subjected to a vehicle type determination process (rank-up process) in accordance with the measurement axis number. By registering the information of the rank-up process 63, it is possible to perform an appropriate fee process corresponding to a towing vehicle that may change the number of axles every time a toll road is used.

  FIG. 6 shows the configuration of the registered license plate information 54. The registered license plate information 54 includes a size N1 indicating the size of the license plate, a color N2 indicating the color, a transportation branch code N3, hiragana N4, a classification number N5, and a serial number N6, which are character information written on the license plate. including. The classification number N5 and the serial number N6 are registered separately for each digit. In particular, it is preferable that the classification number N5 including important information for specifying the vehicle type is registered separately for each digit. In each digit, a numerical value corresponding to the character written on the license plate or a symbol “·” is registered. In the transportation branch office code N3, hiragana N4, and the digits of the classification number N5 and the serial number N6, the symbol “E” is information indicating that the character information corresponding to the digits of the license plate is not used for collation to be described later. May be registered.

  FIG. 7 shows a toll information table 44. The toll information table 45 stores the vehicle type 64 and the toll 66 in association with each other. The vehicle type 64 indicates a classification of a vehicle type used for processing tolls. “Vehicle 1” is a regular vehicle, “Vehicle 2” is a large vehicle, “Vehicle 3” is an oversized vehicle, “Vehicle 4” is a medium-sized vehicle, “Vehicle 5” is a light or two-wheeled vehicle, and “Vehicle X” is a vehicle type. Is unknown. The toll 66 indicates the order of the toll of the vehicle type indicated by the vehicle type 64. In the example of FIG. 7, it is shown that “car type 3”, “car type 2”, “car type 4”, “car type 1”, and “car type 5” are in descending order of the toll.

  FIG. 8 shows the vehicle type determination condition table 45. The vehicle type determination condition table 45 shows a verification flag 61, a determination condition 68, and a vehicle type determination 70. Symbols such as “≠”, “<”, “>” and the like shown in the determination condition 68 indicate the magnitude relationship of the toll. The collation flag 61 preferably further includes information indicating whether or not to perform the operation shown in steps S21 to S23 described later, particularly the operation of step S21 performed by the axis number determination unit 52.

9 and 10 are flowcharts showing the operation of the vehicle type identification device.
Step S2: The vehicle enters the toll gate. The vehicle detector 4 detects the vehicle.
Step S4: The vehicle measuring instrument 6 measures the outer shape of the vehicle.
Step S6: The camera 8 photographs the vehicle license plate.
Step S8: The image processing device 28 processes the photographed image to extract measurement license plate information including license plate size information and character information written on the license plate.

  Step S10: The vehicle measuring instrument 6 generates measurement vehicle type information indicating the vehicle type using the measurement license plate information and the measured vehicle outer shape.

  Step S12: The vehicle type candidate extraction unit 52 collates the measured license plate information with the registered license plate information 54, and if there is a matching registered license plate information 54, it is a record including the registered license plate information 54. Extract the current vehicle record.

  Hiragana N4, each digit of classification number N5, and each digit of serial number N6 are individually verified. At that time, the digit in which the symbol “E” indicating that it is not used for collation is recorded in the registered license plate information 54 is not used for collation. For example, on the basis of history information indicating that erroneous determination has been repeated for a certain vehicle, it is presumed that the most significant digit of the classification number N5 of the license plate of the vehicle is not correctly read due to dirt, deformation, or the like. In this case, “E” is registered in the most significant digit of the classification number N5 of the license plate information 54, and information indicating that the vehicle type is unknown is registered in the corresponding registered vehicle type 56. By doing so, for vehicles that cannot be read correctly and frequently misclassified, it is determined that the vehicle type is unknown rather than misidentified, and an opportunity to correct the vehicle type in lane 2 is obtained, It is possible to collect the correct toll.

  Also, even if another vehicle passes the license plate that differs only in the most significant digit of the registered license plate information 54 and the classification number N5, the vehicle will be unclear and will not be misidentified. This has no effect on the vehicle type discrimination results of a large number of vehicles. In the prior art, if the vehicle type discrimination logic is changed in order to deal with misidentified vehicles that occur infrequently, the majority of other vehicles that have been able to correctly discriminate may be adversely affected, eliminating one misclassification. For this reason, there may be a situation in which 10000 unknowns occur, but according to the above processing, such side effects do not occur.

  Step S14: If there is no registered license plate information 54 that matches the measured license plate information, the vehicle type discriminating unit 50 adopts the measured vehicle type information generated in step S10 as the vehicle type for fee processing, and proceeds to step S32. To do.

  Step S16: The collation unit 48 collates the measured vehicle type information with the registered vehicle type 56 included in the current vehicle record, and generates collation information indicating the result.

  Step S18: If the collation information indicates that the collation results match, the vehicle type discriminating unit 50 adopts the registered vehicle type 56 as the vehicle type for the fee processing, and proceeds to step S32.

  Step S19: The collation unit 48 collates the measured vehicle type information with the measured vehicle type candidate 58 included in the current vehicle record, and generates collation information indicating the result.

  Step S20: If the collation information indicates that the collation result in step S19 is the same, the vehicle type discriminating unit 50 adopts the registered vehicle type 56 as the vehicle type for the fee processing, and proceeds to step S32.

  Step S21: The number-of-axis determination unit 52 compares the number of measurement axes, which is the number of vehicle axles measured by the vehicle measuring instrument 6, with the number of allowable axes 62 in the license plate database 42. When the number of measurement axes is 62 or less, the normality is determined, and the process proceeds to step S24. When the number of measurement axes is larger than the allowable number of axes 62, an abnormality is determined, and the process proceeds to step S22. By making such a determination, it is possible to suppress the use of the toll road at an unreasonably low fee by a vehicle to which a license plate that should not be attached to the vehicle type is attached. This determination is highly reliable because the number of axles is a measurement that is difficult to appear to be different from an actual vehicle.

Step S22: The rank-up processing unit 53 compares the magnitude relationship between the number of measured axes and the number of allowable axes + the number of rank-up axes registered in the rank-up process 63.
When the number of measurement axes ≦ the number of allowable axes + the number of rank-up axes, the process proceeds to step S23.
When the number of measurement axes> the number of allowable axes + the number of rank-up axes, the process proceeds to step S28.

  Step S23: The rank-up processing unit 53 ranks the registered vehicle type up to the vehicle type having the number of measurement axes + the number of rank-up axes. As a result, for example, the toll processing of a vehicle in which the number of axles may change, such as a towing vehicle, is correctly performed.

  Step S24: The collation unit 48 extracts the collation flag 61 included in the current vehicle record as the current collation flag. The collation unit 48 further extracts a determination condition 68 and a vehicle type determination 70 for records in which the verification flag 61 matches the current verification flag in the vehicle type determination condition table 45.

  The collation unit 48 determines whether or not the measured vehicle type indicated in the measured vehicle type information satisfies the determination condition 68 and generates a vehicle type determination result indicated in the vehicle type determination 70. For example, when the current collation flag 61 is “23h”, the determination condition 68 is “measurement vehicle type <vehicle type 3”. When the determination condition 68 is satisfied, that is, when the measured vehicle type indicated in the measured vehicle type information is a vehicle type whose toll is lower than the vehicle type 3 with reference to FIG. 7, the vehicle type determination unit 50 is indicated in the vehicle type determination 70. As mentioned above, the measurement vehicle type is adopted as the vehicle type used for fee processing. When the determination condition 68 is not satisfied, the vehicle type determination unit 50 employs the registered vehicle type 56 of the current vehicle record as a vehicle type used for fee processing.

  Step S26: The vehicle type discriminating unit 50 executes the processing after step 32 when the vehicle type to be used for fee processing is determined in step S24. When it is determined in step S24 that the vehicle type is unknown, the processes after step S28 are executed.

  Step S <b> 28: The vehicle type determination unit 50 transmits a vehicle type unknown signal to the server 16. The server 16 that has received the vehicle type unknown signal outputs a warning indicating that the vehicle type is unknown from the output device 24.

  Step S30: When the worker in the manned booth 14 receives a warning, he / she determines the vehicle type by visually checking the lane 2 and operates the input device 22 to input the vehicle type. The input vehicle type is transmitted to the pass ticket issuing machine 10.

  Step S32: When the pass ticket issuing machine 10 receives the vehicle type information, the pass ticket issuing device 40 writes the received vehicle type information into the pass ticket and issues it. A vehicle occupant extends his arm from the inside of the vehicle and takes a pass ticket from the pass ticket issuing device 40.

  Step S34: When the pass ticket is removed from the pass ticket issuing device 40, a start permission signal is generated, and the start controller 16 enters an open state permitting the passage of the vehicle. The vehicle departs from the toll gate.

FIG. 1 shows the structure of an entrance toll gate on a toll road. FIG. 2 shows a configuration of a server installed in a manned booth. FIG. 3 shows the configuration of a pass ticket issuing machine. FIG. 4 shows the configuration of the storage device. FIG. 5 shows the structure of the license plate database. FIG. 6 shows registered license plate information. FIG. 7 shows the configuration of the toll information table. FIG. 8 shows the configuration of the vehicle type determination condition table. FIG. 9 is a flowchart showing the operation of the vehicle type identification device. FIG. 10 is a flowchart showing the operation of the vehicle type identification device.

Explanation of symbols

2 ... Lane 4 ... Vehicle detector 6 ... Vehicle measuring instrument 8 ... Camera 10 ... Traffic ticket issuing machine 12 ... Start controller 14 ... Manned booth 16 ... Server 20 ... Storage device 42 ... License plate database 44 ... Toll information table 45 ... Vehicle type determination condition table 46 ... Vehicle type determination program

Claims (12)

An image processing unit for extracting measurement license plate information, which is a feature amount, from an image of a vehicle license plate at a toll gate on a toll road;
A storage unit in which registered license plate information collected in advance is recorded;
A collation unit that generates collation information indicating a result of collating the measurement license plate information and the registered license plate information;
A vehicle type identification device comprising: a vehicle type identification unit that generates vehicle type information indicating the vehicle type of the vehicle using the verification information. The vehicle type identification device according to claim 1,
In the storage unit, registered vehicle type information indicating a vehicle type and associated with the registered license plate information is recorded,
And a vehicle type candidate extraction unit that extracts the registered vehicle type information corresponding to the registered license plate information that matches the collation result in the storage unit as vehicle type candidate information.
The vehicle type determination unit is a vehicle type determination device that generates the vehicle type information using the vehicle type candidate information. A vehicle type identification device according to claim 2,
Furthermore, the vehicle measuring part which measures the external shape of the vehicle and generates measurement vehicle type information indicating the vehicle type based on the external shape is provided,
The vehicle type determination unit is a vehicle type determination device that generates the vehicle type information using the vehicle type candidate information and the measured vehicle type information as candidates according to a predetermined standard. A vehicle type identification device according to claim 3,
In the storage unit, measurement vehicle type candidate information associated with the registered license plate information is recorded,
The vehicle type discriminating unit is installed in a manned booth of the toll booth when the measurement vehicle type candidate information corresponding to the registered license plate information that matches the collated result in the storage unit does not include the measurement vehicle type information. A vehicle type identification device that transmits a vehicle type unknown signal so as to output to the output device that the vehicle type is unknown. The vehicle type identification device according to claim 4,
The vehicle type determination unit is a vehicle type determination device that receives information indicating a vehicle type input from an input device installed in the manned booth when the vehicle type unknown signal is transmitted, and adopts the vehicle type information. A vehicle type identification device according to any one of claims 3 to 5,
In the storage unit, vehicle type discrimination reference information is recorded in association with the registered license plate information,
The vehicle type discriminating apparatus in which the predetermined standard is set by using the vehicle type discriminating reference information corresponding to the registered license plate information in which the collated result matches. The vehicle type identification device according to claim 6,
The outer shape includes the number of measurement axes of the axle of the vehicle,
The vehicle type discrimination reference information includes the number of allowable axes,
The predetermined criterion is a size discrimination between the number of measurement axes and the number of allowable axes. The vehicle type identification device according to claim 6,
The outer shape includes the number of measurement axes of the axle of the vehicle,
The vehicle type discrimination reference information includes an allowable number of axes and a number of rank-up axes,
When the number of measurement axes is larger than the allowable number of axes and smaller than the sum of the allowable number of axes and the number of rank-up axes, the vehicle type determination unit displays the vehicle type information indicating a vehicle type larger than the registered vehicle type information. Vehicle type identification device to be generated. The vehicle type identification device according to claim 6,
The storage unit stores toll information indicating the magnitude relationship of tolls depending on the type of vehicle,
At least one of the vehicle type discrimination reference information indicates that the one with the smaller toll of the vehicle type candidate information and the measured vehicle type information is adopted as the vehicle type information with reference to the toll information. Vehicle type identification device. A vehicle type identification device according to any one of claims 1 to 9,
In the storage unit, expiration date information is recorded in association with the registered license plate information,
The vehicle type discriminating unit invalidates the registered license plate information that has passed the expiration date indicated in the expiration date information when the vehicle type information is generated. A vehicle type identification device according to any one of claims 1 to 10,
Further, the vehicle type further comprises a pass ticket issuing unit that writes information for fee processing corresponding to the vehicle type information on the pass ticket and automatically places the pass ticket in a place where the vehicle occupant can receive it from within the vehicle. Discriminator. A vehicle type identification device according to any one of claims 1 to 11,
The storage unit can record verification non-use information corresponding to at least one digit of information indicating a classification number among the registered license plate information,
The vehicle type discriminating apparatus, wherein the collation unit generates the collation information by performing collation except for a digit in which the collation non-use information is recorded.

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