JP2008042636A - Document processing apparatus and document processing system, and document processing program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To detect a possibility of causing secret information leakage due to that an image matched with or similar to an image registered as a secret document is processed by a document processing apparatus. <P>SOLUTION: A secret document management device 200 registers, in an image index 221, an image of a print document 4 or an electronic file 6 to be registered as a secret document and a feature value extracted from the image and when a document processing apparatus 100 detects start of input/output processing of an image in the present apparatus, the document processing apparatus 100 transmits, to the secret document management device 200, the image to be processed, environment setting information of the present apparatus and operation information regarding image input/output processing. The secret document management device 200 determines whether a received image to be processed is coincident with the image of the secret document registered in the image index 221. In a case where the image is determined as a secret document, based on manager judgement or an operating mode, image input/output processing to the document processing apparatus 100 is controlled and detection contents are displayed out on a manager terminal 9. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a document processing apparatus, a document processing system, and a document processing program, and in particular, a document for which input / output processing of an image to the document processing apparatus is requested can be viewed and processed only by a person who has specific authority. Detecting the possibility of information leakage by processing an image that matches or resembles an image registered as a document (confidential document) that needs to be managed, and controls the processing according to the administrator or operation mode settings The present invention relates to a document processing apparatus, a document processing system, and a document processing program that can prevent leakage of confidential documents.

  Conventionally, as a technique for investigating the leakage of a confidential document and pursuing the cause, a “security management system by storing a print log and print data” disclosed in Patent Document 1 has been disclosed.

  The invention of Patent Document 1 is an invention in which print data is stored in a print server, and when an information leak is detected, the cause is investigated based on the stored print data.

  Further, “a print data management system, method, program, and recording medium” disclosed in Patent Document 2 is disclosed.

  In the invention of Patent Document 2, a server on a network detects a print instruction from a client, saves print data and an operation history, and when information leakage is detected, the stored print data and operation history are analyzed. It is an invention to investigate the cause.

  Also, a “network printing system” described in Patent Document 3 is disclosed.

  In the invention of Patent Document 3, when a print instruction is issued from a client, intermediate data in a data format such as various PDLs is stored and managed in a print server using a user ID as a key, and stored print data This is an invention for investigating the cause of information leakage based on the user ID.

  Further, “Image forming system, image forming apparatus and image forming method” disclosed in Patent Document 4 is disclosed.

The invention of Patent Document 4 has means for storing print data when a print instruction is issued, and only when the print data is in a storable state, print processing using the print data is permitted and information is leaked. It is an invention for securely storing print data in preparation for the cause of the case.
JP 2002-149371A. JP2003-330677A. Japanese Patent Application Laid-Open No. 2004-118243. Japanese Patent Application Laid-Open No. 2004-208048.

  Each of the techniques of each invention shown in the above-mentioned patent documents is a configuration for investigating the cause after investigation of leakage of a confidential document, and cannot prevent information leakage.

  In addition, an enormous resource is required for storing and storing image data processed by the document processing apparatus, operation history information, and the like, and if no information leakage is detected, the stored information is wasted. There is a problem such as.

  In addition, as a countermeasure against leakage of confidential documents, a method of setting operation authority and access authority for restricting processing for a document file set as a confidential document in the document processing apparatus can be considered. If an electronic document that has been output as a printed document or an electronic document registered as a confidential document is displayed on a monitor and an image file that captures the display image is printed, it cannot be handled by setting the access right to the document. There is a problem that it is difficult to prevent document leakage.

  The present invention detects the possibility of confidential information leakage due to processing of an image that matches an image registered as confidential information or an image having a similarity equal to or higher than a predetermined threshold by a document processing apparatus. A document processing apparatus, a document processing system, and a document processing program are provided.

  In order to solve the above-described problem, a document processing apparatus according to a first aspect of the present invention includes a document registration unit that registers at least one first document, a document input unit that inputs a second document, and a document input unit. The second document input is collated with the first document registered in the document registration means, and the second document registered in the document registration means that matches or is similar to the second document input by the document input means. A determination unit configured to determine whether or not there is one document; and a document processing unit configured to perform a predetermined process preset on the determination result of the determination unit for the second document.

  According to a second aspect of the present invention, there is provided a document processing device for registering and managing first feature information when at least one first document is imaged, and a document for inputting a second document. An input unit, an extraction unit that extracts second feature information from an image obtained by imaging the second document input by the document input unit, and the second feature information extracted by the extraction unit are registered in the registration unit. Determining means for checking whether or not there is a first document registered in the document registration means that matches or is similar to the second document input by the document input means, Document processing means for performing a predetermined process for the determination result by the determination means for the second document.

  According to a third aspect of the present invention, there is provided the document processing apparatus according to the second aspect, wherein the document registering unit is configured to read an image and register the first digitized document. Second registering means for registering, and the first document is an electronic document including digitized text data other than the image file by registration by the first registering means, A character string read from text data is registered and managed as feature information.

  According to a fourth aspect of the present invention, there is provided the document processing apparatus according to the third aspect, wherein the first document is an image file input by the first registration means, or the first When the document is an image input by the second input unit, the extraction unit registers and manages an image file or a character string obtained by performing character recognition processing on the image as feature information.

  According to a fifth aspect of the present invention, there is provided a document processing apparatus according to the third aspect, wherein the digitized document registered by the first registration means is an extraction means when the document is not an image file. Converts an electronic document into an image and extracts feature information from the converted image.

  According to a sixth aspect of the present invention, there is provided a document processing device for registering at least one first document, a document input unit for inputting a second document, and a document input unit for inputting a second document. The second document is compared with the first document registered in the document registration unit, and the first document registered in the document registration unit that matches or is similar to the second document input by the document input unit is Determining means for determining whether or not there is, and notification means for notifying a predetermined notification destination of the determined result when the determining means determines that there is a first document that matches or is similar to the second document It comprises.

  According to a document processing apparatus of a seventh aspect of the present invention, in the document processing apparatus according to the sixth aspect, the first document is managed so that only a person who is given a specific authority can view and process it. If the second document input by the document input unit is determined to be identical or similar to the first document by the determining unit, the notifying unit determines operation history information for the second document as predetermined. Notify the notification destination.

  The document processing apparatus according to an eighth aspect of the present invention is the document processing apparatus according to the sixth aspect, wherein the second document input by the document input means by the determination means is the first document. If it is determined that they match or are similar to each other, a history information storage unit that stores operation history information for the second document in a predetermined storage unit, and an instruction operation that notifies the history information stored in the history information storage unit are detected. And an instruction operation detection means for performing the detected instruction operation when the instruction investigation detecting means detects an instruction operation requesting notification of history information stored in the history information storage means. The specified history information is notified to the requester.

  The document processing apparatus according to claim 9 is the document processing apparatus according to claim 6, wherein when the second document input by the input means is not an image file, the extracting means The document is converted into an image, and second feature information is extracted from the converted image.

  The document processing system of the invention of claim 10 is a document management apparatus for registering and managing a document that is managed so as to be viewable and processable only by a participant who is given a specific authority, and a document input process. The document processing apparatus, the document processing apparatus includes a document input unit that inputs a document, and a transmission unit that transmits the document input by the document input unit to the document management apparatus. A discriminating unit that discriminates whether or not the document transmitted by the transmitting unit matches or resembles a document registered in the document management device; a notification unit that notifies the document management device of a discrimination result by the discriminating unit; Processing control means for outputting, to the document processing apparatus, control information for controlling document processing for the document input from the document processing apparatus based on the determination result of the means. Controlling processing for the input documents by the document input means based on the output control information by means.

  A document processing program according to an eleventh aspect of the present invention is input in a document registration step for registering at least one first document, a document input step for inputting a second document, and a document input step. The second document is collated with the first document registered in the document registration step processing, and registered in the document registration step processing that matches or is similar to the second document input in the document input step. A computer system comprising: a determination step for determining whether or not there is a first document that has been processed; and a document processing step for performing a predetermined process set in advance on the determination result obtained by the process of the determination step for the second document To run.

  The document processing program of the invention of claim 12 is input by processing of a document registration step for registering at least one first document, a document input step for inputting a second document, and a document input step. The second document is collated with the first document registered by the process of the document registration step, and there is a first document that matches or is similar to the second document input by the process of the document input step. A determination step for determining whether or not there is a first document that matches or is similar to the second document in the processing of the determination step, and notifies the predetermined notification destination of the determined result And causing the computer system to execute the steps.

  A document processing program according to a thirteenth aspect of the present invention inputs a document registration step for registering and managing first feature information when at least one first document is imaged and a second document. A document input step, an extraction step for extracting second feature information when the second document input by the processing of the document input step is imaged, and a second feature extracted by the processing of the extraction step Whether or not there is a first document that matches or is similar to the second document input by the processing of the document input step by comparing the information with the first feature information registered by the processing of the registration step The computer system is caused to execute a determination step for determination, and a document processing step for performing predetermined processing on the second document in advance for the determination result of the determination step.

  According to the document processing apparatus, the document processing system, and the document processing program of the present invention, the image of the confidential document or the image feature amount is registered and managed in the database, and the image registered in the database and the image feature amount are Since it is configured to determine whether the processing target image matches or is similar to the registered image prior to the execution of the image input / output processing, information on all image input / output processing (image data, operation information) , Environmental information) is stored and managed as history information, and there is no need for a huge amount of resources, and confidential information leakage occurs with only the minimum necessary resources for recording images and features of confidential documents that are registered and managed. Possibility can be monitored and detected.

  Embodiments of a document processing apparatus, a document processing system, and a document processing program according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 is a schematic configuration diagram of a document processing system having a document processing apparatus according to the present invention.

  1, the document processing system is configured by connecting a document management apparatus 3, a document processing apparatus 100, a confidential document management apparatus 200, a processing terminal 5, and an administrator terminal 9 via a network 7.

  The confidential document management apparatus 200 extracts the image file of the electronic file 6 managed by the document management apparatus 3 or the document image registered and managed as the confidential document from the print document 4 on which the electronic file 6 is printed. The feature amount and text information to be registered are registered in the image index 221 with predetermined identification information and managed.

  When the document processing apparatus 100 detects image input / output processing (scanning of the print document 4, copying, fax transmission operation, reception of print data of the electronic file 6, etc.) for its own apparatus, the document processing apparatus 100 executes the input / output processing of the detected image. Prior to this, the image of the processing target image for which the input / output processing of the image is requested, the operation information (the type of the input / output processing, the processing terminal 5 that made the input / output request, the time, the document processing device in which the input / output processing was detected 100 terminal information, authority attribute of image input / output operation to the document processing apparatus 100 of the operator, processing restriction attribute set in the document file), image input / output processing detection information including environment setting information in the document processing apparatus 100 is classified as a confidential document. Sends the request to the management apparatus 200 to inquire whether the image input / output processing can be performed, and responds to the inquiry from the confidential document management apparatus 200 Based on, and controls input and output processing of the detected image.

  When the confidential document management apparatus 200 receives the image input / output process detection information from the document processing apparatus 100, the confidential document management apparatus 200 reads the image of the processing target image from the image input / output process detection information, and extracts a predetermined feature amount and text information from the image image. To do. Then, the image index 221 is searched with the image image of the processing target image, the extracted feature amount, and the extracted text information, and based on the search result, it is determined whether the processing target image is a confidential document image, In response to the determination result of the image to be processed and the operation mode set in the document processing apparatus 100, control data to be generated is determined and instructed to stop or continue the image input / output processing and respond to the document processing apparatus 100 If it is determined that the processing target image is a confidential document, notification data for notifying the administrator of the detection content of the image input / output processing for the confidential document is created and output to the administrator terminal 9.

  FIG. 2 is a block diagram showing a control configuration of the confidential document management apparatus 200 and the document processing apparatus 100.

  The confidential document management apparatus 200 includes a control unit 210, a storage unit 220, a communication unit 230, an image reading unit 260, an input unit 250, a display unit 240, and an image processing unit 270.

  The control unit 210 executes the control program stored in the storage unit 220 to control the entire confidential document management apparatus 200, and monitors and controls each unit.

  The storage unit 220 includes an image image of a confidential document, a feature amount extracted from the image, text information, a storage area of an image index 221 that is registered and managed with predetermined identification information added to file attributes of the confidential document, and the document processing apparatus 100. A storage area for temporarily storing the image input / output process detection information received from the image processing apparatus.

  The communication unit 230 performs data communication with a device connected via the network 7 using a predetermined communication protocol.

  The input unit 250 is an input unit such as a keyboard and a mouse for an operator to perform an input operation on the confidential document management apparatus 200. The display unit 240 is a display unit such as a liquid crystal monitor, and inputs / outputs an image of the confidential document. A screen for notifying the administrator of the detected contents of the process, and an operation screen for registering the electronic file 6 and the print document 4 in the image index 221 as confidential documents are displayed.

  The image reading unit 260 reads the document image at a predetermined reading resolution when registering the print document 4 as a confidential document in the image index 221, and generates image data to be registered as a confidential document. It is.

  When registering an image of a confidential document in the image index 221, the image processing unit 270 reads an electronic file 6 and converts it into an image image, extracts a predetermined feature amount from the image image, 100, the image data of the processing target image received from 100, the feature amount extracted from the image image, the text information, the image image registered in the image index 221 and the predetermined feature amount extracted from the image image are collated and compared, Alternatively, search processing of the image index 221 for determining the presence or absence of a similar image is performed.

  The document processing apparatus 100 includes a control unit 110, a storage unit 120, a communication unit 130, an image reading unit 190, a document printing unit 140, an image processing unit 150, an input unit 170, and a display unit 180.

  The control unit 110 executes the control program stored in the storage unit 120 to control the entire document processing apparatus 100, and monitors and controls each unit.

  The communication unit 130 performs data communication with the confidential document management apparatus 200 via the network 7 according to a predetermined protocol.

  The storage unit 120 stores an area for storing a control program, an area for storing document data read by the image reading unit 190, an operation mode for controlling printing, copying, and facsimile transmission, and environment setting information including control information. Area for storing terminal information including the network address of the confidential document management device 200, processing data received from devices connected via the network 7 (processing terminal 5, administrator terminal 9), processing request The network address of the device (processing terminal 5, administrator terminal 9) that performed the processing, the name of the device (processing terminal 5, administrator terminal 9), and the process related to the input / output processing of the image set in the electronic file 6 to be processed Each of the areas for temporarily storing the operation information in which the restriction attribute and the access right set by the user who operates the processing terminal 5 are recorded. A.

  The display unit 180 is a display unit such as a liquid crystal, and the input unit 170 is an input unit such as a touch panel provided integrally with the display unit 180 operated by an operator.

  The document printing unit 140 prints out the original image of the printed document 4 read by the image reading unit 190 according to the instruction input by the input unit 170, and the electronic file 6 received by the communication unit 130 via the network 7. The document is printed based on the print data.

  The image processing unit 150 performs an imaging process on the print data and the facsimile image data, and generates an image of a processing target image for which an image input / output process is requested from the document processing apparatus 100.

  FIG. 3 is a block diagram illustrating a functional configuration of the confidential document management apparatus 200.

  When the document to be registered as a confidential document is the print document 4, the registered image reading unit 802 outputs the read image data generated by the image reading process to the image index registration management unit 801 and instructs registration to the image index 221. .

  The electronic file reading unit 803 identifies the electronic file 6 to be registered as a confidential document by the storage unit of the document management apparatus 3, reads the data of the electronic file 6, outputs the read data to the image index registration management unit 801, and outputs an image. The registration to the index 221 is instructed.

  The registered electronic file operation detection unit 804 performs file operations (update, delete, move, change file name, etc.) on the electronic file 6 registered in the image index 221 as a confidential document among the electronic files 6 in the document management apparatus 3. , And the image index registration management unit 801 is notified of the detected file identification information and the file operation type.

  The imaging processing unit 805 converts the document data of the electronic file 6 read by the electronic file reading unit 803 according to an instruction from the image index registration management unit 801 into an image image.

  The text information extraction unit 806 reads the text data if the document to be registered as a confidential document is the electronic file 6 and has text data. If the electronic file 6 has no text data, the text information extraction unit 806 reads the image. When the text information is extracted by the character recognition process for the image and the document to be registered as the confidential document is the print document 4, the character recognition process for the image image obtained by performing the image reading process of the print document 4 by the document image reading unit 802 is performed. Go and extract text information.

  A feature amount extraction unit 807 is configured to obtain a predetermined feature amount (color tone (hue, color scheme)) and composition (contour line) from the image image of the processing target image received by the image index registration management unit 801 and the input / output process detection information reception unit 809. Distribution) and texture (pattern, texture, pattern regularity)) are extracted.

  When the image index registration management unit 801 receives a confidential document registration request from the electronic file reading unit 803 and the document image reading unit 802, the image index registration management unit 801 stores the image image and text information extraction unit 806 of the registered document generated by the imaging processing unit 805. Text information extracted from the image image or the electronic file 6, feature amounts extracted from the image image by the feature amount extraction unit 807, identification information of the confidential document to be registered (if the confidential document to be registered is the electronic file 6, the document management device 3 is added to the image index 221 by adding identification information for identifying registered data to the file attributes (including information indicating the file name, file identification information, and file storage location) managed in step 3 according to a predetermined rule. sign up.

  The image index search means 810 compares and compares the image image of the processing target image, the feature amount extracted from the image image of the processing target image, and the registered data of each confidential document registered in the image index 221 with text information, and completely matches. Alternatively, the presence / absence of registered data of similar images is determined with a value equal to or greater than a predetermined threshold.

  The input / output process detection information receiving unit 809 performs data analysis on the image input / output process detection information received from the document processing apparatus 100, and displays the image image of the processing target image, the operation information, and the environment setting information of the document processing apparatus. Each of them is read from the output processing detection information, a feature amount extraction process for the image image of the processing target image is requested to the feature amount extraction unit 807, and a text information extraction unit 806 is requested to extract the text information for the image image of the processing target image. . Further, the input / output process detection information receiving unit 809 instructs the image index search unit 810 to search the image index 221 based on the feature amount, text information, and image image, and the processing target image is a confidential document based on the search result. Control information for instructing to stop the image input / output processing or to continue the image input / output processing is generated according to the determination result of the processing target image, and is sent to the document processing apparatus 100. In addition, a determination result of the processing target image, a search result of the image index 221, operation information, and environment setting information are output to the determination result notifying unit 808.

  The determination result notifying unit 808 performs input / output processing of the detected image based on the determination result of the processing target image notified from the input / output processing detection information receiving unit 809, the search result of the image index 221, operation information, and environment setting information. (In the case of notification of detection contents by display on the display unit of the administrator terminal 9), data for display of the notification screen is generated and output to the administrator terminal 9, and detection by mail is performed. In the case of content notification, create an email notifying the detected content and send it to the administrator).

  In the functional block diagram of the confidential document management apparatus 200 shown in FIG. 3, the text information extraction unit 806 extracts text information included in the print data output by the printer driver, in addition to extracting text information from the electronic file 6. You may enable it to extract.

  Further, PDL generation means for generating print data by PDL corresponding to the electronic file 6 by the printer driver corresponding to the document printing unit 140 of the document processing apparatus 100 is added to generate the PDL of the electronic file 6 to be registered as a confidential document. The text information may be extracted from the PDL generated by the text information extraction unit 806 and registered in the image index 221.

  3 receives the PDL directly from the document processing apparatus 100, the text information extracting means 806 receives the PDL received from the document processing apparatus 100. In addition, the feature information extracting unit 807 is instructed to perform image processing on the PDL to extract the feature amount of the image, and the processing target image is a confidential document. Whether or not there is may be determined from the print data.

  Next, confidential document registration processing for the image index 221 will be described with reference to the flowchart of FIG.

  The confidential document management apparatus 200 analyzes the confidential document registration request operation, and determines whether the confidential document to be registered is the print document 4 or the electronic file 6 (S101).

  If the document to be registered as a confidential document is the print document 4 (S101 print document), an image reading process is performed on the print document 4 to create an image image (S102), a character recognition process is performed on the image image, and text information is obtained. Extract (S103).

  When the document to be registered is the electronic file 6 (S101 electronic file), an operation screen that allows the administrator to select the electronic file 6 managed by the document management apparatus 3 is output to the display unit 240 of the confidential document management apparatus 200. Then, the electronic file 6 selected by the operator as a confidential document is specified and read, and an imaging process is performed on the electronic file 6 to generate an image (S107).

  When text data is included in the electronic file 6 to be registered as a confidential document, the text data is read, and in the case of an image file such as a bitmap file, text information is extracted from the image image (S108). .

  A feature quantity registered and managed in the image index 221 is extracted from the image of the printed document 4 read in the process of step S102 or the image of the electronic file 6 generated by the merging process of step S107 (S104). Then, identification information is given to the image image, text information, feature amount, and file attribute according to a predetermined rule and registered in the image index 221 (S105).

  Next, image input / output processing in the document processing apparatus 100 will be described with reference to the flowchart of FIG.

  The document processing apparatus 100 monitors image input / output processing (reception of print data via the network 7, image reading operation, copy operation, facsimile transmission operation, etc. in the document processing apparatus 100) (NO in S201). When the process is detected (YES in S201), the document processing apparatus 100 reads the operation mode from the environment setting information recorded in the storage unit 120, and determines whether the operation mode of security priority or productivity priority is set. (S202).

  When the operation mode is security priority (S202 security priority), the input / output processing of the detected image is suspended without being executed, and the imaging processing of the processing target image for which the input / output processing is requested (in the case of print processing, printing is performed). An image image of the processing target image is generated from the data, and in the case of facsimile transmission processing, an image image of the processing target image is generated from the facsimile image data) (S203). The processing detection information is transmitted to the confidential document management apparatus 200, and the confidential document management apparatus 200 is inquired as to whether or not the suspended image input / output processing can be performed (S204).

  If the confidential document management apparatus 200 does not receive a response indicating whether or not the image input / output process is put on hold from the confidential document management apparatus 200 (S205 NO), the document processing apparatus 100 sends an error message to that effect to the display unit of the document processing apparatus 100 or the document. Displayed on the display device of the processing terminal 5 that performed the print output operation on the processing device 100, and the processing ends (S207).

  When there is a response from the confidential document management apparatus 200 regarding whether or not the image input / output process that has been put on hold is possible (S205 YES), and control data that is permitted by the confidential document management apparatus 200 to execute the input / output process on the hold image is received (S206 YES), the input / output process of the held image is continued (S209), and when the confidential document management apparatus 200 does not permit the input / output process of the held image (S206 NO), the held image The input / output process is stopped (S208).

  When the operation mode is productivity priority (S202 productivity priority), the document processing apparatus 100 executes input / output processing of the detected image (S210), and when the input / output processing of the detected image is completed, the processing target image is processed. The image is generated according to the type of the input / output process of the detected image (S211), the operation information regarding the input / output process of the image, the environment setting information set in the document processing apparatus 100, and generated in step S211. The image of the processing target image is transmitted to the confidential document management apparatus 200 as image input / output process detection information, and the image input / output process is terminated (S212).

  Next, the operation of the image input / output detection process by the confidential document management apparatus 200 will be described with reference to the flowchart of FIG.

  When the confidential document management apparatus 200 receives the image input / output process detection information from the document processing apparatus 100 via the communication unit 230 (YES in S301), the image and operation information of the processing target image imaged by the document processing apparatus 100 are displayed. The environment setting information is read from the received image input / output process detection information (S302).

  A predetermined feature amount registered and managed in the image index 221 is extracted from the image image of the processing target image that has been subjected to imaging processing, and further, character recognition processing is performed on the image image of the processing target image that has been subjected to imaging processing to generate text Information is extracted (S303).

  The confidential document management apparatus 200 searches the image index 221 with the image image, the feature amount extracted from the image image, and the text information, and matches the processing target image completely or partially matches the processing target image. It is determined whether there is registered data having a similarity level exceeding the threshold value, and it is determined whether the predetermined target image is an image of a confidential document (S304).

  When the operation mode of the document processing apparatus 100 is security priority (S305 YES) and the determination result of the processing target image in step S304 is a confidential document (S306 YES), the confidential document management apparatus 200 performs image input / output processing for the confidential document. Whether or not there is a processing setting for judging and instructing whether or not it is possible is judged based on the setting of the control information stored in the storage means of the confidential document management apparatus 200 (S307).

  If there is a processing setting in which the administrator determines whether or not image input / output processing is possible for a confidential document (YES in S307), the confidential document management apparatus 200 outputs a processing selection screen to the administrator terminal 9 (S308).

  If the administrator performs an operation to cancel the image input / output processing for the confidential document (NO in S309), or if it is determined that the processing target image matches or is similar to the confidential document, the image input / output processing is unconditionally performed. If there is a processing setting for prohibiting (NO in S307), the confidential document management apparatus 200 creates control data instructing to cancel the input / output processing of the suspended image and transmits the control data to the document processing apparatus 100 (S310).

  On the other hand, when it is determined that the processing target image is not an image of a confidential document (NO in S306), or when an operation for permitting image input / output processing for the processing target image determined to be a confidential document is performed based on an administrator's determination ( S309 YES), control information for instructing to continue the image input / output processing for the processing target image put on hold is created and transmitted to the document processing apparatus 100 (S311).

  Returning to the process of step S305 again, when the operation mode of the document processing apparatus 100 is productivity priority (NO in S305), the confidential document management apparatus 200 searches the image index 221 in step S304. It is determined whether or not the document is a document (S312).

  When the processing target image is a confidential document (YES in S312), or when there is a processing setting for notifying the administrator of all detected contents of the image input / output processing regardless of whether or not the processing target image is a confidential document ( (S312 NO, S313 YES), the confidential document management apparatus 200 creates notification data for notifying the administrator of the detected image input / output processing operation information, the environment setting information of the document processing apparatus 100, and the search result of the image index 211. To the administrator terminal 9 (S314).

  If the image to be processed is not a confidential document (NO at S312), and the notification setting for the administrator is not set (NO at S313), the confidential document management apparatus 200 ends the process.

  The document processing apparatus 100 uses the environment setting information to notify the confidential document management apparatus 200 of the operation mode (security priority, productivity priority) of the image input / output processing by the document processing apparatus 100. The operation mode and environment setting information of each document processing apparatus 100 set as a monitoring target by the management apparatus 200 may be registered and managed in the storage unit 220 of the confidential document management apparatus 200.

  Further, every time the confidential document management apparatus 200 detects an image input / output process in the document processing apparatus 100, a configuration is added in which the content of the detected image input / output process is recorded in the storage unit 220 of the confidential document management apparatus 200. Based on the search operation and browsing operation for the history information from the administrator terminal 9 or the input unit 250 of the confidential document management apparatus 200, the history information search result and the designated history information are read from the storage unit 220, and the administrator A function of displaying on the display unit of the terminal 9 or the display unit 240 of the confidential document management apparatus 200 may be added so that the history information can be browsed appropriately.

  Next, the maintenance process of the image index 221 will be described with reference to the flowchart of FIG.

  In the confidential document management apparatus 200, when the maintenance processing of the image index 221 starts, detection of a maintenance screen activation operation by the input unit 250 of the confidential document management apparatus 200 or document management among confidential documents registered in the image index 221. It is determined whether the file operation is detected for the electronic file 6 managed by the apparatus 3 (S401).

  When the activation operation of the maintenance screen of the image index 221 is detected (YES in S401), the confidential document management apparatus 200 displays the registration data of the image index 221 and displays a maintenance screen on which the registration content can be changed (deleted). The information is output to the display unit of the terminal (administrator terminal 9 or confidential document management apparatus 200) that performed the screen activation operation (S413). If the registered content is changed (S414 YES), the confidential document management apparatus 200 is displayed. Updates the registration data of the changed image index 221 (S415).

  On the other hand, when a file operation on the electronic file 6 registered in the image index 221 is detected (NO in S401), the confidential document management apparatus 200 detects the type of file operation detected (update, delete, file name change, file storage location). The identification information of the electronic file 6 on which the file operation has been performed is determined and specified (S402).

When the update operation of the electronic file 6 registered in the image index 221 is performed (YES in S403), the confidential document management device 200 reads the updated electronic file 6 from the document management device 3, and performs an imaging process on the read data. An image of the updated electronic file 6 is generated (S404), and a feature amount for registration in the image index 221 is extracted from the image, and character recognition processing for the image image or updated electronic file 6 is performed. The recorded text data is read to extract text information (S405).
The confidential document management device 200 updates the image image of the updated electronic file 6, the feature amount extracted from the updated image image, the file identifier of the updated electronic file 6, the updated attribute information, and the updated An image image for the image of the electronic file 6 and information indicating the feature amount of the image image are added and newly registered in the image index 221 (S406).

  On the other hand, when the type of the detected file operation is deletion (S403 NO, S407 YES), the confidential document management apparatus 200 performs the deletion process of the registration data of the image index 221 corresponding to the deleted electronic file 6 at the administrator's discretion. The processing confirmation screen to be output is output to the display unit of the administrator terminal 9 or the display unit 230 of the confidential document management apparatus 200 (S408), and an operation to instruct deletion of the registered data is performed by the administrator's judgment (S409 YES), the registration data corresponding to the deleted electronic file 6 is deleted from the image index 221 (S410).

  When the detected file operation type is file name change or file storage location move (S407 NO, S411 YES), it is registered in the image index 221 corresponding to the file identifier for which the file name was changed or moved. The attribute information that has been changed by the detection of file operations (if the file name is changed, the changed file name, if the file storage location is changed, the destination path name, etc.) Update (S412).

  According to the document processing apparatus, document processing system, and document processing program of the present invention, document processing having an image reading function, a copying function, a printing function, a facsimile function, and a function for transmitting an image to another apparatus using a communication line It can be used in a document management system that has a device and registers and manages confidential documents, and is particularly effective for detecting the possibility of leakage of confidential information.

1 is a schematic configuration diagram of a document processing system of the present invention. The block diagram which shows the control structure of a confidential document management apparatus and a document processing apparatus. The functional block diagram of a confidential document management apparatus. 6 is a flowchart showing a confidential document registration process for an image index. 6 is a flowchart showing image input / output processing in the document processing apparatus. Flowchart showing image input / output processing detection processing in confidential document management apparatus 5 is a flowchart showing image index maintenance processing.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Document processing apparatus 110 Control part 120 Storage part 130 Communication part 140 Document printing part 150 Image processing part 160 Image reading part 170 Input part 180 Output part 200 Confidential document management apparatus 210 Control part 220 Storage part 221 Image index 230 Communication part 240 Display Unit 250 input unit 260 image reading unit 270 image processing unit 3 document management device 4 print document 5 processing terminal 6 electronic file 7 network 801 image index registration management unit 802 registered image reading unit 803 electronic file reading unit 804 registered electronic file operation detection unit 805 Imaging processing means 806 Text information extracting means 807 Feature quantity extracting means 808 Determination result notifying means 809 Input / output processing detection information receiving means 810 Image index searching means 9 Administrator terminal

Claims (13)

Document registration means for registering at least one first document;
A document input means for inputting a second document;
The second document input by the document input unit is compared with the first document registered in the document registration unit, and matches or resembles the second document input by the document input unit. Discrimination means for discriminating whether or not there is a first document registered in the document registration means;
Document processing means for performing predetermined processing on the second document based on a determination result by the determination means;
A document processing apparatus comprising: Document registration means for registering and managing the first feature information when at least one first document is imaged;
A document input means for inputting a second document;
Extraction means for extracting second feature information from an image obtained by imaging the second document input by the document input means;
The second feature information extracted by the extraction unit is compared with the first feature information registered in the registration unit, and the document matches or is similar to the second document input by the document input unit Discrimination means for discriminating whether or not there is a first document registered in the registration means;
Document processing means for performing predetermined processing on the second document based on the determination result by the determination means;
A document processing apparatus comprising: The document registration means includes:
First registration means for reading and registering an electronic document;
Second registration means for reading and registering an image,
When the first document is an electronic document including digitized text data other than an image file by registration by the first registration unit, the extraction unit extracts a character string read from the text data. The document processing apparatus according to claim 2, wherein the document processing apparatus is registered and managed as feature information. If the first document is an image file input by the first registration means, or
When the first document is an image input by the second input unit, the extraction unit registers and manages the image file or a character string obtained by performing character recognition processing on the image as feature information. The document processing apparatus according to claim 3. When the digitized document registered by the first registration means is other than an image file,
The extraction means includes
The document processing apparatus according to claim 3, wherein the digitized document is converted into an image and feature information is extracted from the converted image. Document registration means for registering at least one first document;
A document input means for inputting a second document;
The second document input by the document input unit is compared with the first document registered in the document registration unit, and matches or resembles the second document input by the document input unit. Discrimination means for discriminating whether or not there is a first document registered in the document registration means;
A document processing apparatus comprising: a notification unit configured to notify a predetermined notification destination of the determination result when the determination unit determines that the first document matches or is similar to the second document. The first document is a document that is managed so as to be viewable and processable only by a participant who has been given specific authority,
The notification means includes
When it is determined by the determination means that the second document input by the document input means is identical or similar to the first document, the operation history information for the second document is notified to a predetermined notification destination. The document processing apparatus according to claim 6. The document processing apparatus includes:
When it is determined by the determination means that the second document input by the document input means is identical or similar to the first document, operation history information for the second document is stored in a predetermined storage means. History information storage means;
An instruction operation detecting means for detecting an instruction operation for notifying the history information stored in the history information storing means;
Further comprising
The notification means includes
When an instruction operation requesting notification of history information stored in the history information storage means is detected by the instruction investigation detection means, the specified history information is notified to the request source that has performed the detected instruction operation. The document processing apparatus according to claim 6. The extraction means includes
7. The document processing according to claim 6, wherein when the second document input by the input means is not an image file, the second feature information is extracted from the converted image by converting the second document into an image. apparatus. A document management device for registering and managing documents that are managed so as to be viewable and processable only by participants who have specific authority;
A document processing apparatus for inputting and processing a document,
The document processing apparatus includes:
A document input means for inputting a document;
Transmission means for transmitting the document input by the document input means to the document management device,
The document management apparatus includes:
Discriminating means for discriminating whether or not the document transmitted by the transmitting means matches or resembles a document registered in the document management apparatus;
Notification means for notifying the document management apparatus of the determination result by the determination means;
Processing control means for outputting, to the document processing apparatus, control information for controlling document processing for the document input from the document processing apparatus based on a determination result of the determination means;
Comprising
The document processing apparatus is a document processing system that controls processing on a document input by the document input unit based on control information output by the processing control unit. A document registration step for registering at least one first document;
A document input step for inputting a second document;
The second document input in the document input step is compared with the first document registered in the document registration step and matches the second document input in the document input step. Or a determination step for determining whether there is a first document registered in the processing of the similar document registration step;
A document processing step for performing predetermined processing on the second document based on a determination result obtained by the determination step;
Is a document processing program that causes a computer system to execute. A document registration step for registering at least one first document;
A document input step for inputting a second document;
The second document input by the process of the document input step is collated with the first document registered by the process of the document registration step, and the second document input by the process of the document input step. A determination step for determining whether there is a first document that matches or is similar to
A step of notifying the computer system of a result of the determination when the determination step determines that there is the first document that matches or is similar to the second document. Document processing program to be made. A document registration step for registering and managing first feature information when at least one first document is imaged;
A document input step for inputting a second document;
An extraction step of extracting second feature information when the second document input by the document input step is imaged;
The second feature information extracted in the processing of the extraction step is compared with the first feature information registered in the processing of the registration step, and the second feature information input by the processing of the document input step is checked. A determination step of determining whether or not there is the first document that matches or is similar to the document;
A document processing program for causing a computer system to execute a document processing step for performing a predetermined process on the second document based on a determination result obtained by the determination step.

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