JP2020087285A - Document determination system, server, user terminal, document determination method, and program - Google Patents

Abstract

To provide a document determination system, a server, a user terminal, a document determination method, and a program that enable a user to easily know whether a received document is a false invoice or not.SOLUTION: In a document determination system 1 in which a server 3 and a user terminal 2 are connected through a network 4, the user terminal 2 photographs an image of a document 7 sent to a user by using a camera 26, and inquires the server 3 whether or not the document 7 is a false invoice notification document. The server 3 determines whether or not the document 7 is a false invoice notification document, on the basis of the contents of the image, in response to the inquiry from the user terminal 2, and transmits a determination result to the user terminal 2. The user terminal 2 receives and displays the result transmitted from the server 3.SELECTED DRAWING: Figure 2

Description

The present invention relates to a document determination system, a server, a user terminal, a document determination method, and a program, and more particularly to an application that determines whether or not a fictitious bill notification document.

There are fraudulent damages caused by fictitious invoices related to repayment of debts, payment of fees, claims for damages etc. A consumer who has received such a fictitious claim notification document can judge whether or not the fictitious claim is made by consulting with a consumer center or a police station, or by checking the content on the Internet. However, some consumers may feel embarrassed to consult with others, dislike PCs or smartphones, or find it difficult to search on the Internet. In some cases, you may pay a high bill.

By the way, as a supporting technique for avoiding fraud damage due to fictitious billing, for example, a mechanism as shown in Patent Document 1 has been proposed. In Patent Document 1, withdrawal permission that stores recipient account information for identifying the recipient who has received the transfer and withdrawal conditions for determining whether or not a cash withdrawal transaction is performed by the recipient in association with the recipient account information. A condition database is provided in the host computer, and the transfer destination account information and withdrawal conditions entered in the transfer transaction performed by the transferee are stored in the withdrawal permission condition database, and the withdrawal permission condition database is used in the cash withdrawal transaction performed by the payee. It describes an automatic transaction system in which a host computer judges whether or not the cash withdrawal transaction is possible based on the extracted withdrawable condition and cancels the transfer transaction when the withdrawal condition is not satisfied.

JP, 2007-193676, A

However, the technique disclosed in Patent Document 1 cancels a transfer transaction once performed based on a predetermined condition. Before the transaction, if the consumer himself/herself can easily distinguish whether the billing document received by the consumer is genuine or a fictitious bill, the transaction will not actually be carried out and fraud damage will occur. Can be prevented.

The present invention has been made in view of such problems, and a document determination system, a server, a user terminal, and a document determination method capable of easily knowing whether or not a document delivered to a user is a fictitious request. , And to provide a program.

In order to solve the above-mentioned problems, a first invention is a document determination system in which a server and a user terminal are communicatively connected via a network, and the user terminal acquires an image of a sent document. Means, an inquiry means for inquiring of the server whether or not the document is a fictitious bill notification document based on the content of the acquired image, an inquiry means for receiving a result, and a display means for displaying an inquiry result by the inquiry means, The server, in response to an inquiry from the user terminal, a determination unit that determines whether or not the document is a fictitious bill notification document based on the content of the image, and a determination result by the determination unit. And a transmitting unit that transmits the document to the user terminal.

According to the first aspect, the user terminal acquires the image of the document sent to the user and inquires of the server whether the document is a fictitious bill notification document. In response to the inquiry from the user terminal, the server determines whether or not the document is a fictitious bill notification document based on the content of the image and sends the determination result to the user terminal. The user terminal displays the result transmitted from the server. With this, if a bill for repayment of debt or payment of a fee that the user does not know is sent to the user, it is easy to make a fictitious bill without consulting with the consumer center or the police. It is possible to know that the payment amount is not paid. Also, since it is understood that the request is a fictitious request, it is possible to promptly report to the consumer center or the police without being ashamed.

In the first invention, a character recognition unit that recognizes a character string from the image is further provided, and the determination unit of the server determines whether the document is a fictitious bill notification document based on the character string recognized from the image. It is desirable to judge. Accordingly, it is possible to determine whether or not the request is a fictitious request based on the inconsistency of the character strings described in the document.

In addition, the server includes a storage unit that stores a title master file in which titles used in a public form are aggregated, and the determination unit compares the image of the title portion of the document with the title master file. It is desirable to determine whether the document is a fictitious bill notification document. As a result, it is possible to determine that a document whose title differs from that of a public form is a fictitious request.

Further, the server includes storage means for storing a contact master file in which contacts used for fictitious billing are aggregated, and the determination means collates an image of a contact portion of the document with the contact master file. Therefore, it is desirable to judge whether the document is a fictitious bill notification document. Thus, if the contact information (name, address, telephone number, etc.) often used for fictitious billing matches, it can be determined that the document is a fictitious billing.

Further, the server includes a storage means for storing a government office master file in which names, addresses, and telephone numbers of government offices are aggregated, and the determination means collates an image of a contact portion of the document with the government office master file. It is desirable to determine whether the document is a fictitious bill notification document according to. As a result, it is possible to determine that a document whose contact information differs from the name/address/phone number of the government office is a fictitious request.

The user terminal further comprises input means for inputting a delivery form of the document, and the server further comprises delivery form determination means for determining whether the document is a fictitious bill notification document based on the delivery form of the document. It is desirable to prepare. As a result, in the case of public forms, the delivery form (whether it is a postcard or a sealed letter) is determined, so it is possible to determine that a document sent with a different delivery form is a fictitious bill notification document. ..

A second aspect of the present invention is a server that is communicatively connected to a user terminal via a network, wherein the document is transmitted based on the content of the image of the document acquired by the user terminal in response to an inquiry from the user terminal. A server comprising: a determination unit that determines whether or not the document is a fictitious bill notification document; and a transmission unit that transmits the determination result by the determination unit to the user terminal.
The second invention can provide a server in the document determination system of the first invention.

A third aspect of the present invention is a user terminal that is communicatively connected to a server via a network, and an image acquisition unit that acquires an image of a sent document, and the document is a fictitious bill notification document based on the content of the acquired image. It is a user terminal, comprising: an inquiry means for inquiring of the server whether or not the result is received, and a display means for displaying a result of the inquiry by the inquiry means.
According to the third invention, it is possible to provide the user terminal in the document determination system of the first invention.

A fourth invention is a document determination method in a document determination system in which a server and a user terminal are communicatively connected via a network, wherein the user terminal acquires an image of the sent document, and the user. A step in which the terminal inquires of the server whether the document is a fictitious bill notification document based on the content of the image; and the server, in response to the inquiry from the user terminal, based on the content of the image. Determining whether the document is a fictitious bill notification document, the server transmitting a determination result to the user terminal, the user terminal receiving and displaying a result of the inquiry It is a document determination method characterized by including,.

According to the fourth aspect, the user terminal acquires the image of the document sent to the user, and inquires of the server whether the document is a fictitious bill notification document. In response to the inquiry from the user terminal, the server determines whether or not the document is a fictitious bill notification document based on the content of the image and sends the determination result to the user terminal. The user terminal displays the result transmitted from the server. With this, if a bill for repayment of debt or payment of a fee that the user does not know is sent to the user, it is easy to make a fictitious bill without consulting with the consumer center or the police. It is possible to know that the payment amount is not paid. Also, since it is understood that the request is a fictitious request, it is possible to promptly report to the consumer center or the police without being ashamed.

According to a fifth aspect of the present invention, a computer communicatively connected to a user terminal via a network responds to an inquiry from the user terminal, and the document is fictitiously billed based on the content of the image of the document acquired by the user terminal. It is a program for causing it to function as a determination unit that determines whether it is a notification document and a transmission unit that transmits the determination result of the determination unit to the user terminal.

The fifth invention enables the computer to function as the server of the first and second inventions.

According to a sixth aspect of the present invention, an image acquisition means for acquiring an image of a sent document by a computer communicatively connected to a server via a network, and whether the document is a fictitious bill notification document based on the content of the acquired image. It is a program for causing the server to function as an inquiring unit that inquires the server and receives the result, and a display unit that displays the result of the inquiry made by the inquiring unit.

The sixth invention enables the computer to function as the user terminal of the first and third inventions.

According to the present invention, it is possible to provide a document determination system, a server, a user terminal, a document determination method, and a program that can easily know whether or not a document that has arrived at a user is a fictitious request.

Overall configuration diagram of document judgment system 1 Block diagram showing the functional configuration of the document determination system 1 Block diagram showing the hardware configuration of the user terminal 2. Block diagram showing the hardware configuration of the server 3 Flowchart showing the flow of processing in the document determination system 1 The figure which shows the example of the display screen of the user terminal 2. Figure showing an example of document 7 Flowchart showing the flow of title part determination processing The figure which shows the example of the result display screen 84 Flowchart showing the flow of contact part determination process Functional block diagram of the document determination system 1 including the delivery form determination unit 67

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

1 is a block diagram showing an overall configuration of a document determination system 1 according to the present invention, FIG. 2 is a block diagram showing a functional configuration of the document determination system 1, FIG. 3 is a block diagram showing a hardware configuration of a user terminal 2, FIG. 4 is a block diagram showing the hardware configuration of the server 3.

As shown in FIG. 1, the document determination system 1 is configured such that a user terminal 2 and a server 3 are communicatively connected to each other via a network 4.

The user terminal 2 is a terminal that can be communicatively connected to the server 3 via the network 4, and is, for example, a smartphone, a tablet, a notebook PC, a desktop PC, an AI speaker, a game machine, or other electronic equipment. As shown in FIG. 2, the user terminal 2 includes a camera 26, an image acquisition unit 51, an OCR analysis unit 52, an inquiry unit 53, and a display unit 24.

The camera (imaging unit) 26 captures an image of the document 7 sent to the user and inputs it to the image acquisition unit 51.

The image acquisition unit 51 acquires the image of the document 7 captured by the camera 26 and outputs it to the OCR analysis unit 52. The image acquisition unit 51 may read and acquire the image stored in the storage unit 22 of the user terminal 2.

An OCR (Optical Character Recognition/Reader) analysis unit (character recognition unit) 52 is a character recognition unit that performs processing for recognizing characters in the image of the document 7 acquired by the image acquisition unit 51. For example, the character string printed on the title portion or contact portion (see FIG. 7) of the document 7 is recognized.

The inquiry unit 53 inquires of the server 3 whether or not the document 7 is a fictitious bill notification document based on the content of the image acquired by the image acquisition unit 51. Specifically, for example, the inquiry unit 53 transmits the character string recognized by the OCR analysis unit 52 from the image acquired by the image acquisition unit 51 to the server 3, and the document 7 is a fictitious bill notification document based on the character string. Inquire. The server 3 determines whether or not the document 7 is a fictitious bill notification document in response to the inquiry from the user terminal 2 and sends the result to the user terminal 2. The inquiry unit 53 receives the result of the inquiry transmitted from the server 3.

The display unit 24 displays the result of the inquiry received by the inquiry unit 53 on the display unit 24.

FIG. 3 is a diagram illustrating an example of the hardware configuration of the user terminal 2. As shown in FIG. 3, the user terminal 2 can be realized by a computer configured by connecting a control unit 21, a storage unit 22, a communication unit 23, a display unit 24, an input unit 25, and a camera 26 with a bus 29 or the like. However, the present invention is not limited to this, and various configurations can be appropriately adopted.

The control unit 21 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like. The CPU calls a program stored in the storage unit 22, the ROM, the recording medium, or the like into the work memory area on the RAM and executes the program to drive and control each unit connected via the bus 29, and the process performed by the user terminal 2. To achieve.

The storage unit 22 is a flash memory, an HDD (Hard Disk Drive), or the like, and stores a program executed by the control unit 21, data necessary for executing the program, an OS (Operating System), and the like. As for the programs, a control program corresponding to the OS and an application program for causing the user terminal 2 to execute the processing described later are stored. Each of these program codes is read by the control unit 21 as needed, transferred to the RAM, read by the CPU, and executed as various means.

The communication unit 23 is a communication interface that has a communication control device, a communication port, and the like, and mediates communication between the user terminal 2 and the network 4, and communicates with the server 3 and other computers via the network 4. It is possible to control.

The display unit 24 is realized by a display with a touch panel that also serves as the input unit 25. The display unit 24 displays various screens related to the user's operation/selection, and accepts user's instruction input by touch operation on the screen.
The input unit 25 includes a touch panel, various buttons, and the like, and inputs an input signal to the control unit 21.

The camera 26 is a camera that uses an image sensor such as a CCD (Charge Coupled Device) image sensor or a CMOS (Complementary Metal Oxide Semiconductor) image sensor, and sends the captured image to the control unit 21. The camera 26 may be a camera mounted on the user terminal 2 or an external camera (a camera connected via an external device I/F of the user terminal 2).
The bus 29 is a path that mediates exchange of control signals, data signals, etc. between the respective units.

Returning to the explanation of FIG.
The server 3 is a computer that determines whether or not the document 7 is a fictitious bill notification document in response to an inquiry from the user terminal 2 that is communicatively connected via the network 4. As shown in FIG. 2, the server 3 includes a reception unit 61, a title master file 62, a contact master file 63, a government office master file 64, a determination unit 65, and a transmission unit 66. The title master file 62, the contact master file 63, and the government office master file 64 are stored in the storage unit 32 of the server 3.

The receiving unit 61 receives the content of the image (in the present embodiment, the character string recognized by the OCR analyzing unit 52) from the user terminal 2, and also receives an inquiry as to whether the document 7 is a fictitious bill notification document. To do.

The title master file 62, the contact master file 63, and the government office master file 64 are data used to determine whether the document is a fictitious bill notification document. The title master file 62 is a data group in which titles (correct titles) used for public forms are collected. The contact master file 63 is a data group in which contacts used for fictitious billing are aggregated. For example, a name such as a corporate name or an organization name, an address, a telephone number, etc., which the fictitious invoicing company claims to be. The government office master file 64 is a data group in which correct names, addresses, and telephone numbers of government offices are collected.

In response to the inquiry from the user terminal 2, the determination unit 65 determines whether the document 7 is a fictitious bill notification document based on the content of the image received by the reception unit 61.

Specifically, if the content of the received image is the content of the image of the title portion 72, it is determined whether or not the document 7 is a fictitious bill notification document by collating with the title master file 62. If there is a title in the title master file 62 that matches the character string of the received image content, it is determined that there is a possibility of a fictitious bill notification document.

When the content of the received image is the content of the image of the contact portion 73, the document 7 is collated with the contact master file 63 to determine whether or not the document 7 is a fictitious bill notification document. If there is a contact in the contact master file 63 that matches the character string of the received image (name, address, and telephone number of the corporate name, group name, etc. of the fictitious claimant, the fictitious claimant notification document) It is determined that there is a possibility of When the content of the received image is the content of the image of the contact portion 73, it is further checked with the government office master file 64 to determine whether the document 7 is a fictitious bill notification document. If the character string (name, address, telephone number, etc. of the government office) of the received image is not in the government office master file 64, it is determined that there is a possibility of fictitious bill notification document.

The transmission unit 66 transmits the determination result of the determination unit 65 to the user terminal 2.

FIG. 4 is a diagram illustrating an example of the hardware configuration of the server 3. As shown in FIG. 4, the server 3 can be realized by a computer configured by connecting a control unit 31, a storage unit 32, and a communication unit 33 with a bus 39 or the like. However, the present invention is not limited to this, and various configurations can be appropriately adopted.

Functions of the control unit 31, the storage unit 32, and the communication unit 33 are substantially the same as those of the control unit 21, the storage unit 22, and the communication unit 23 described above. Note that the storage unit 32 of the server 3 stores a program for causing the server 3 to execute the later-described title section determination processing and contact section determination processing.

The network 4 includes a LAN (Local Area Network), a WAN (Wide Area Network) connected for communication in a wider area, or a public communication line such as the Internet, a base station, and the like. The network 4 may be wired or wireless.

Next, with reference to FIG. 5, the processing executed in the document determination system 1 will be described.
The control unit 21 of the user terminal 2 reads out a program (application) and data relating to the processing shown in FIG. 5 from the storage unit 22 and executes processing based on this program and data.

When the application is activated by the user's operation, the control unit 21 (image acquisition unit 51) displays the selection screen 81 for the reading location (step S101). As shown in FIG. 6A, the reading location selection screen 81 is a screen on which options for selecting a reading location are displayed. In the present embodiment, the choice is either the title section 81a or the contact section 81b of the document 7. The title portion 81a is a portion where the title of the document 7 is shown, as shown in FIG. In the document 7 of FIG. 7, the portion inside the frame 72 is the title portion. As shown in FIG. 7, the contact address portion 81b is a portion in which the contact information of the sender of the document 7 (name such as corporate name or group name, address and telephone number) is described. In the document 7 of FIG. 7, the portion inside the frame 73 is the contact portion.

When the reading location is selected by the user's operation on the reading location selection screen 81 (step S102) and the title portion 81a is selected (step S103; Yes), the control unit 21 (image acquisition unit 51) operates as shown in FIG. The title section photographing screen 82 as shown in (b) is displayed on the display section 24 (step S104). The title section photographing screen 82 is provided with, for example, a camera image display field 82a for displaying an image of the camera 26 and a reading button 82b operated when reading an image (imaging and OCR analysis). The user adjusts the position of the camera 26 so that the title portion 72 of the document 7 is included in the camera image display field 82a, and after the adjustment, touches the read button 82b to instruct the reading of the title portion 72. When the reading is instructed, the control unit 21 executes the title part determination process shown in FIG.

Further, when the contact portion 81b is selected in step S103 (step S103; No), the control unit 21 displays the contact portion photographing screen 83 as shown in FIG. 6C on the display unit 24. (Step S105). The contact portion photographing screen 83 is provided with, for example, a camera image display field 83a for displaying an image of the camera 26 and a read button 83b operated when reading an image (imaging and OCR analysis). The user adjusts the position of the camera 26 so that the contact portion 73 of the document 7 is placed in the camera image display field 83a, and after the adjustment, touches the read button 83b to instruct the contact portion 73 to be read. When the reading is instructed, the control unit 21 executes the contact portion determination process shown in FIG.

The title part determination process will be described with reference to FIG.
The control unit 21 (image acquisition unit 51) of the user terminal 2 first captures an image of the title unit 72 with the camera 26 (step S201) and acquires an image of the title unit 72 (step S202). The control unit 21 (OCR analysis unit 52) executes OCR analysis of the acquired image and recognizes the character string in the title portion 72 (step S203). The control unit 21 (inquiry unit 53) transmits the recognized character string of the title portion 72 to the server 3 to inquire whether the document 7 is a fictitious bill notification document (step S204).

When the control unit 31 (reception unit 61, determination unit 65) of the server 3 receives the character string of the title portion 72 from the user terminal 2 (step S205), the title master file 62 is collated with the received character string (step S205). S206), it is determined whether the document 7 is a fictitious bill notification document. In step S206, the control unit 31 of the server 3 determines that the document 7 may be a fictitious bill notification document if the title master file 62 contains a title that matches the received character string. The control unit 31 (transmission unit 66) of the server 3 transmits the determination result to the user terminal 2 (step S207).

Upon receiving the determination result from the server 3 (step S208), the control unit 21 (inquiry unit 53, display unit 24) of the user terminal 2 displays the determination result on the display unit 24 (step S209). FIG. 9 shows an example of the result display screen 84, which is a display example when it is determined that there is a possibility of fictitious billing. As shown in Fig. 9, for example, a message such as "A public institution will not issue a notification letter with such a title. Please contact the police because there is a high possibility of fictitious billing." It is displayed on the display unit 24 of the terminal 2.

Next, the contact part determination process will be described with reference to FIG.
The control unit 21 (image acquisition unit 51) of the user terminal 2 first captures an image of the title part 72 with the camera 26 (step S301) and acquires an image of the contact part 73 (step S302). The control unit 21 (OCR analysis unit 52) executes the OCR analysis of the acquired image and recognizes the character string of the contact information unit 73 (step S303). The control unit 21 (inquiry unit 53) transmits the recognized character string of the contact address unit 73 to the server 3 and inquires whether the document 7 is a fictitious bill notification document (step S304).

When the control unit 31 (reception unit 61, determination unit 65) of the server 3 receives the character string of the contact portion 73 from the user terminal 2 (step S305), first, the contact master file 63 and the received character string are received. Collation is performed (step S306), and it is determined whether the document 7 is a fictitious bill notification document. In step S306, the control unit 31 of the server 3 determines that the document 7 may be a fictitious bill notification document if the contact master file 63 has a title that matches the received character string.

Next, the control unit 31 (determination unit 65) of the server 3 collates the government office master file 64 with the received character string (step S307) and determines whether the document 7 is a fictitious bill notification document. If the contact information (name of corporation or group name, address, telephone number, etc.) that matches the received character string is not in the government office master file 64, the control unit 31 of the server 3 bills the document 7 fictitiously. Judge that it may be a notification document. The control unit 31 of the server 3 determines that the document 7 is a fictitious bill notification document when it is determined that the fictitious bill notification document may be one of the determination results of step S306 and step S307. It is determined that there is a possibility. The control unit 31 (transmission unit 66) transmits the determination result to the user terminal 2 (step S308).

If it is determined in step S306 that there is a title matching the received character string in the contact master file 63 and the document may be a fictitious bill notification document, step S307 (public office master file 64). May be skipped and the process may move to step S308.

Upon receiving the determination result from the server 3 (step S309), the control unit 21 (inquiry unit 53, display unit 24) of the user terminal 2 displays the determination result on the display unit 24 (step S310). When it is determined that there is a possibility of fictitious billing, a message as shown in FIG. 9 is displayed on the display unit 24 of the user terminal 2 as in the case of the title portion determination processing.

As described above, the document determination system 1 according to the present embodiment determines whether or not the document 7 is a fictitious bill notification document based on the image of the document 7 acquired (captured) by the user terminal 2, and displays the document. It becomes possible to do. In this way, if you receive a bill for repayment of debts or payment of charges that you do not know, you can easily know that it is a fictitious bill without consulting with the consumer center or the police. It is possible to prevent the invoiced amount from being paid. Also, since it can be seen that the request is a fictitious request, it is possible to urge the consumer center and police to report without being ashamed.

It should be noted that in the title part determination process, it is possible to determine whether or not the document is a fictitious bill notification document based on the delivery form of the document 7. That is, in the case of legitimate documents, the delivery form (postcard or sealed) is determined according to the type (title) of the form, but if the title and the delivery form do not match, fictitious billing It is likely to be a notification document. For example, as shown in FIG. 11, the server 3 further includes a delivery form determination unit 67 in addition to the configuration of FIG. 2, and stores the correct delivery form (postcard or sealed letter) in association with each title of the title master file 62. Keep it. The user terminal 2 allows the user to input the delivery form of the received document 7 from the input unit 25. The delivery form determination unit 67 of the server 3 collates the delivery form input at the user terminal 2 with the delivery form associated with the title read by the OCR analysis, and if they do not match, it is a fictitious bill notification document. It is determined that the possibility is high.

The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to such examples. It is obvious to those skilled in the art that various modifications or modifications can be conceived within the scope of the technical idea disclosed in the present application, and naturally, those modifications and modifications are also included in the technical scope of the present invention. Understood.

1………………Document determination system 2………………User terminal 3………………Server 4………………Network 7………………Document 21…………Control Part 22………………Storage part 23………………Communication part 24………………Display part 25………………Input part 26………………Camera 29 …………… Bus 31…… … Control unit 32 …………… Storage unit 33 …………… Communication unit 39 …………… Bus 51……………… Image acquisition unit 52 …………… OCR analysis unit 53 ……… ……Inquiry part 61 ………………Reception part 62 ………………Title master file 63 ………………Contact master file 64 ……………… Government office master file 65 …………Judgment part 66 …. …………Sending section 67 ………………Sending mode determination section 72 ………………Title section 73 ……………… Contact section 81 ………………Selection screen for reading 82 ………… Title section shooting screen 83………………Contact section shooting screen 84………………Result display screen

Claims (11)

A document determination system in which a server and a user terminal are communicatively connected via a network,
The user terminal is
Image acquisition means for acquiring the image of the sent document,
An inquiry means for inquiring of the server as to whether or not the document is a fictitious bill notification document based on the content of the acquired image and receiving the result;
Display means for displaying the result of the inquiry by the inquiry means,
The server is
Determining means for determining whether or not the document is a fictitious bill notification document based on the content of the image in response to an inquiry from the user terminal;
Transmission means for transmitting the determination result by the determination means to the user terminal,
A document determination system comprising: Further comprising a character recognition means for recognizing a character string from the image,
The determination means of the server is
The document determination system according to claim 1, wherein the document determination system determines whether the document is a fictitious bill notification document based on a character string recognized from the image. The server is
It is equipped with a storage means for storing a title master file in which titles used in public forms are aggregated,
3. The determination unit according to claim 1, wherein the determination unit determines whether or not the document is a fictitious bill notification document by comparing the image of the title portion of the document with the title master file. Document determination system described. The server is
A storage means for storing a contact master file that aggregates contacts used for fictitious billing,
3. The determination unit determines whether the document is a fictitious bill notification document by comparing the image of the contact portion of the document with the contact master file. Document determination system described. The server is
Equipped with a storage means for storing a government office master file that aggregates the names, addresses, and telephone numbers of government offices,
3. The determination unit according to claim 1, wherein the determination unit determines whether the document is a fictitious bill notification document by comparing an image of a contact portion of the document with the government office master file. Document judgment system. The user terminal further includes input means for inputting a delivery form of the document,
The server further comprises a delivery form determination unit that determines whether the document is a fictitious bill notification document based on the delivery form of the document. Document judgment system. A server communicatively connected to a user terminal via a network,
Determining means for determining whether or not the document is a fictitious bill notification document based on the content of the image of the document acquired by the user terminal, in response to an inquiry from the user terminal;
Transmission means for transmitting the determination result by the determination means to the user terminal,
A server comprising: A user terminal that is communicatively connected to a server via a network,
Image acquisition means for acquiring the image of the sent document,
An inquiry means for inquiring of the server as to whether or not the document is a fictitious bill notification document based on the content of the acquired image and receiving the result;
Display means for displaying the result of the inquiry by the inquiry means,
A user terminal comprising: A document determination method in a document determination system in which a server and a user terminal are communicatively connected via a network,
The user terminal acquiring an image of the sent document,
The user terminal inquiring of the server whether the document is a fictitious bill notification document based on the content of the image;
The server, in response to an inquiry from the user terminal, determining whether the document is a fictitious bill notification document based on the content of the image;
The server transmitting a determination result to the user terminal,
The user terminal receiving and displaying the result of the inquiry;
A method for determining a document, including: A computer connected to a user terminal via a network,
In response to an inquiry from the user terminal, a determination unit that determines whether the document is a fictitious bill notification document based on the content of the image of the document acquired by the user terminal,
Transmitting means for transmitting the determination result by the determining means to the user terminal,
Program to function as. A computer connected to the server via a network,
Image acquisition means for acquiring the image of the sent document,
An inquiry means for inquiring of the server as to whether the document is a fictitious bill notification document based on the content of the acquired image and receiving the result;
Display means for displaying the result of the inquiry by the inquiry means,
Program to function as.

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