JP4973484B2 - Image input system and image input method - Google Patents

Description

  The present invention relates to an image input system for inputting a form image such as a paper document or a slip, an image input method, and a computer program for realizing the method.

A paper document or slip to be converted into image data may include item information that should be kept secret so that an unauthorized operator cannot refer to the image data.
In a financial institution or the like, information such as a personal identification number, account number, and customer name corresponds to item information that should be kept secret. In order to prevent the content of the confidential item information from leaking to an unauthorized operator, in the invention of the following patent document, a form data conversion system that prevents the confidential item information from leaking to the reference operator is proposed.

According to the literature, a definition file set in advance is used to blindly display item information to be concealed such as a personal identification number of image data. The definition file describes items to be concealed and position information of the item information. By blindly processing the position described in the definition file for the image data of the form, the display of the item information to be concealed is prevented, so that it is possible to prevent information leakage by the reference operator.
JP 2006-318100 A

  However, the system of the above literature has the following problems. The same definition file can be used if the position information of the item information to be blind-processed with the same type of form is the same, but the form has various formats such as different positions of the code number description part. That is, since a large number of forms having different formats are used, it is necessary to create a definition file for each form having a different format, which takes time. Furthermore, it is impossible to deal with forms that cannot be set in advance, that is, forms that cannot be specified in advance by the system, such as forms that customers can bring in freely.

  In view of the above problems, an object of the present invention is to provide an image input system, a form blind processing method, and a method thereof that can easily add blind processing to image data of a form without setting a definition file. It is to provide a computer program to be executed.

<Configuration 1>
The present invention is an image input system for blindly processing each item information to be concealed for image data of a form composed of a plurality of items, and each blind is positioned at a position corresponding to the entry position of each item information on the form. Reading means for reading the image data from the mark entry form in which the mark is written, mark area detection means for detecting each mark area where each blind mark is entered from the image data of the mark entry form, and reading from the form a region processing unit for generating processed image data of each region corresponding to each item information is converted into the blind data based on the mark region of the image data, and a storage unit for storing the processed image data containing the In the mark entry form, each blind mark is entered in a format indicating the authority information given to each item of the form, and the mark area detection Detects the authority information by reading the format of each blind marks entered, the area processing unit, upon the processed image data generation, converting the respective regions corresponding to the item information corresponding to the authority information to each blind data It is characterized by.

<Configuration 2>
Another invention is a method for blindly processing each item information to be concealed for image data of a form composed of a plurality of items, and each blind mark at a position corresponding to the entry position of each item information of the form There reading the image data from the mark entry slip is entered, it detects each mark area is entered image data or we each blanking lined mark mark entry form, each item information of the image data read from the document Each area corresponding to the above is converted into each blind data based on each mark area to generate processed image data, the processed image data is stored in the storage unit, and the mark entry form includes each item of the form. Each blind mark is entered in a format that indicates the granted authority information, and when the mark area is detected, the format of each written blind mark is read. Detecting the authorization information, upon generation of the processed image data, and converting the respective regions corresponding to the item information corresponding to the authority information to each blind data.

  According to the present invention, the mark for blind display is described on the back side of the form or a mark form other than the form, and in the case of the mark form by reading both sides of the form with a double-sided scanner in the case of the back side of the form. Since a form and a mark entry form are continuously read by a lot-type scanner, blind processing is added to the image data of the form, so that a blind display can be performed without setting a definition file in advance.

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

FIG. 1 is a system configuration diagram of the image input system according to the first embodiment.
As shown in the figure, an image input system 300 of the present invention includes a scanner 100 and an image processing apparatus 200. The scanner 100 includes a front surface image reading unit 101 and a back surface image reading unit 102, and is an image reading device of, for example, a sheet feeder method that can simultaneously read both sides of a form.

  On the other hand, the image processing apparatus 200 includes a front surface image storage unit 201, a back surface image storage unit 202, a blind region detection unit 203, a blind region detection result storage unit 204, a blind region processing unit 205, a blind processing image storage unit 206, and an image output unit. 207, which processes image data received from the scanner 100. The image processing apparatus 200 is an apparatus having an arithmetic function such as a PC, for example.

In the first embodiment, a form image input means handled by a financial institution or the like will be described. Therefore, before describing each component, a form to be input will be described with reference to the drawings.
FIG. 2 is an explanatory diagram of the surface of the form according to the first embodiment.
As shown in the figure, the address, name, seal, date of birth, store number, account number, password, etc. are written on the surface of the form.

FIG. 3 is an explanatory diagram of the back side of the form according to the first embodiment.
As shown in the drawing, on the back side of the form, blind marks 1a and 1b for the purpose of obscuring the stamp column and the password column in Example 1 are described. The blind marks 1a and 1b are described in an area including all of the stamp column and the personal identification number column when the form is seen through from the surface.
This form is read simultaneously by the scanner 100 on both sides.

  Returning to FIG. 1, the surface image reading unit 101 is a part that scans the main information on the form surface shown in FIG. 2, and the obtained image data is stored in the surface image storage unit 201 that is a storage unit of the work area. The

  The back image reading unit 102 scans the images of the blind marks 1a and 1b described on the back of the form shown in FIG. 3, and the obtained image data is stored in the back image storage unit 202 which is a storage unit of the work area. Stored.

  When the image data on the back side of the form is stored in the back side image storage unit 202, the blind area detection unit 203 reads the blind marks 1a and 1b shown in FIG. The position information of is detected. In the case of the blind mark 1a, the position information is expressed in the form of X = 60 mm, Y = 40 mm, W = 10 mm, H = 15 mm, the reference position is (X, Y) = (60, 40), and the width is 10 mm. The height is 15 mm. Similarly, in the case of the blind mark 1b, it is expressed in the form of X = 10 mm, Y = 3 mm, W = 45 mm, H = 15 mm, the reference position is (X, Y) = (10, 3), the width is 45 mm, Indicates that the height is 15 mm. In addition, when performing blind processing, it is reversed in the horizontal direction.

  The blind area detection result storage unit 204 is a part in which information on the above-described blind mark is stored. The blind area processing unit 205 reads each piece of blind mark information stored in the blind area detection result storage unit 204 and the image data stored in the surface image storage unit 201. Then, the blind area processing unit 205 adds blind processing to the image data of the surface using each information of the blind mark. One example is shown below.

FIG. 4 is an explanatory diagram of image data subjected to blind processing according to the first embodiment.
As shown in the figure, in the image data, blind processing is added to the stamp field and the password number field.

  Returning to FIG. 1, the blind processed image storage unit 206 is a storage unit that stores the blind processed image data generated by the blind region processing unit 205. The image output unit 207 is a part that outputs the image data stored in the blind processed image storage unit 206 to the monitor screen of the image processing apparatus 200.

The image input system according to the first embodiment described above operates as follows.
FIG. 5 is an operation flowchart of the image input system according to the first embodiment.
The flow of processing from step S101 to step S106 will be described in the order of steps according to the flowchart shown in the figure.

(Step S101)
First, a specific operator who is a form manager writes blind marks 1a and 1b that can be detected by image processing by painting or the like on the corresponding area on the back side of the area to be blinded on the front side of the form.

  The mark may have any shape that can detect the four corners of the region. As shown in FIG. 3, a method of filling a region or describing a rectangular frame indicating the region may be used. If the back side is printed in advance in the process of printing and manufacturing the form, the work of a specific operator who is the form manager becomes unnecessary.

(Step S102)
When a specific operator who is a form manager sets a form on a sheet feeder type scanner and starts a device (not shown), the scanner 100 simultaneously reads images on both sides of the form. The surface image reading unit 101 scans main information on the surface of the form, and stores image data in the surface image storage unit 201. At the same time, the back image reading unit 102 scans the images of the blind marks 1 a and 1 b on the back side of the form and stores the image data in the back image storage unit 202.

(Step S103)
The blind area detection unit 203 detects the number of marks and the position information of the blind marks 1 a and 1 b from the image data stored in the back surface image storage unit 202, and stores the result in the blind area detection result storage unit 204.

(Step S104)
If there is no blind mark, the blind area detection unit 203 notifies the image output unit 207 to that effect and proceeds to step S106.

(Step S105)
When the blind region processing unit 205 receives a signal indicating the detection of the blind mark from the blind region detection unit 203, the blind region processing unit 205 reads the number of marks stored in the blind region detection result storage unit 204 and the position information of the blind marks 1a and 1b. Furthermore, the image data of the surface form stored in the surface image storage unit 201 is also read. The blind area processing unit 205 adds the blind processing to the area indicated by the position information of the image data on the surface of the form using both data, and stores the processed image data in the blind processed image storage unit 206 when completed. This is notified to the image output unit 207.

(Step S106)
When a specific operator who is a form administrator confirms the conversion to image data when it is detected in step S104 that there is no blind mark, the image output unit 207 stores the image data stored in the surface image storage unit 201. Read and display on device monitor. The operator checks the display to detect that there should be no blind display that should be, corrects the blind mark, forgets to write, or mistakes in the description method, and converts the form into image data again. I do.

  On the other hand, when the image data processed in step S105 is generated, the image output unit 207 reads the blind processed image data stored in the blind processed image storage unit 206 and displays it on the apparatus monitor. The operator confirms whether or not the blind display is in an appropriate position by confirming the display. If not, the operator corrects the blind mark, etc., and converts the form into image data again.

  As described above, in the first embodiment, if the area to be blindly displayed is described on the back side of the form, blind processing is added, so that the registration cost and the data management cost can be reduced in that pre-registration is not necessary. At the same time, it offers high flexibility in changing and adding target forms. In addition, since blind processing is already added at the time of image input, it is possible to take advanced measures against information leakage.

  In this embodiment, a blind area designating form in which a blind mark is described is prepared, and blind processing is added to the image data of the form by causing the lot type scanner to read the form continuously. Note that the scanner for reading an image in the second embodiment may not be a double-sided simultaneous reading type.

FIG. 6 is a system configuration diagram of the image input system according to the second embodiment.
As shown in the figure, an image input system 600 according to the second embodiment includes a scanner 400 and an image processing apparatus 500. The same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Only differences from the first embodiment will be described in detail below.

  The scanner 400 has an image reading unit 401 for reading a form image, and is a lot type scanner device for continuously scanning a blind area designating form in which a blind mark is described and a form.

  On the other hand, the image processing apparatus 500 includes a form image storage unit 501, a blind region designation form image storage unit 502, a blind region detection unit 503, a blind region detection result storage unit 204, a blind region processing unit 205, a blind processing image storage unit 206, An image output unit 207 is provided to process image data received from the scanner 400. The image processing apparatus 500 is an apparatus having an arithmetic function such as a PC.

In the second embodiment, as in the first embodiment, a form image input means handled by a financial institution or the like will be described. Therefore, before describing each configuration, a form to be input and a blind area designation form will be described with reference to the drawings.
FIG. 7 is an explanatory diagram of a form according to the second embodiment.
As shown in the figure, the form includes an address, name, seal, date of birth, store number, account number, password, and the like.

FIG. 8 is an explanatory diagram of a blind area designation form according to the second embodiment.
As shown in the figure, in the blind area designation form, blind marks 2a and 2b for the purpose of obscuring the stamping field and the personal identification number field in the second embodiment are described. The blind marks 2a and 2b are described so as to cover portions corresponding to the stamping column and the personal identification number column of the form.
Both forms described above are read separately by the scanner 400.

  The blind area designation form and the form are set on the scanner 400 so as to be continuously scanned. Note that it is possible to define in advance which of the stacked forms is a form and which is a blind area designation form.

  Returning to FIG. 6, the image reading unit 401 is a part that scans the form in which the main information shown in FIG. 7 is written and the blind area designation form shown in FIG. 8, and the image data is a form image storage unit 501, respectively. It is stored in the blind area designation form image storage unit 502.

  A form image storage unit 501 is a part that stores image data of a form in which main information shown in FIG. 7 is described. The blind area designated form image storage unit 502 is a part that stores the image data of the blind area designated form shown in FIG.

  The blind area detection unit 503 reads the blind marks 2a and 2b shown in FIG. 8 by image processing using the image data of the blind area designation form stored in the blind area designation form image storage unit 502, and determines the number of marks and the number of blinds. The position information of the marks 2a and 2b is detected.

  Other than that, the blind region detection result storage unit 204, the blind region processing unit 205, the blind processed image storage unit 206, and the image output unit 207 of the image processing apparatus 500 are the same as those in the first embodiment, and thus the description thereof is omitted.

FIG. 9 is an explanatory diagram of image data subjected to blind processing according to the second embodiment.
As shown in the figure, in the image data, blind processing is added to the stamp field and the password number field.

The image input system according to the second embodiment described above operates as follows.
FIG. 10 is an operation flowchart of the image input system according to the second embodiment.
The process flow from step S201 to step S207 will be described in the order of steps according to the flowchart shown in the figure.

(Step S201)
First, a specific operator who is a form manager prepares a plain form of the same size as the form, and describes the blind marks 2a and 2b that can be detected by image processing by filling in the same position as the area to be blinded. To do. This completes the blind area designation form.

  The mark may have any shape that can detect the four corners of the region. As shown in FIG. 8, a method of filling a region or describing a rectangular frame indicating the region may be used.

(Step S202)
When a specific operator who is a form manager sets a form and a blind area designation form on the scanner 400 and starts a device (not shown), the scanner 400 sequentially reads each form sequentially. First, the image reading unit 401 scans a blind area designation form and stores the image data in the blind area designation form image storage unit 502.

(Step S203)
Subsequently, the image reading unit 401 scans the form and stores the image data in the form image storage unit 501.

(Step S204)
Next, the blind area detection unit 503 detects the number of marks and the position information of the blind marks 2a and 2b from the image data stored in the blind area designation form image storage unit 502, and the result is the blind area detection result storage unit 204. To store.

(Step S205)
If there is no blind mark, the blind area detection unit 503 notifies the image output unit 207 to that effect, and proceeds to step S207.

(Step S206)
When receiving the signal indicating the detection of the blind mark from the blind area detection unit 203, the blind area processing unit 205 reads the number of marks stored in the blind area detection result storage unit 204 and the position information of the blind marks 2a and 2b. The image data of the form stored in the form image storage unit 501 is also read. The blind area processing unit 205 adds the blind processing to the image data of the form using both data, and when completed, stores the image data shown in FIG. 9 in the blind processing image storage unit 206 and outputs the image. This is notified to the unit 207.

(Step S207)
When a specific operator who is a form administrator confirms conversion to image data when it is detected that there is no blind mark in step S205, the image output unit 207 stores the image data stored in the surface image storage unit 201. Read and display on device monitor. The operator checks the display to detect that there is no blind display that should be, confirms the blind mark written on the blind area specification form, and corrects the mistake in the description method. Again, form data is converted into image data.

  On the other hand, when the image data processed in step S206 is generated, the image output unit 207 reads the blind processed image data stored in the blind processed image storage unit 206 and displays it on the apparatus monitor. The operator confirms whether or not the blind display is in an appropriate position by confirming the display. If not, the operator corrects the blind mark, etc., and converts the form into image data again.

  As described above, in the second embodiment, if the area to be blindly displayed is described in the blind area designating form, blind processing is added. Therefore, the registration cost and the data management cost are reduced in that pre-registration is not necessary. In addition to being able to reduce it, it offers a high degree of flexibility in changing and adding target forms. In addition, since blind processing is already added at the time of image input, it is possible to take advanced measures against information leakage. Compared to the first embodiment, it is not necessary to describe the actual form on the back side, which is effective from the viewpoint of saving the actual product.

  In this embodiment, a blind mark that can be used to identify and hide the item information such as a personal identification number and a seal, which is information to be kept secret, is displayed or hidden according to the authority of the reference operator. Then, the blind display is controlled by the authority of the reference operator input in advance when the reference operator displays the form image.

FIG. 11 is a system configuration diagram of the image input system according to the third embodiment.
As shown in the figure, the image input system 900 according to the third embodiment includes a scanner 400 and an image processing apparatus 800.
About the same part as Example 1, 2, the same code | symbol is used and description is abbreviate | omitted. Only differences from the first and second embodiments will be described in detail below.

  The image processing apparatus 800 includes a form image storage unit 501, a blind region designation form image storage unit 502, a blind region detection unit 803, a blind region detection result storage unit 804, a blind region processing unit 805, a blind processing image storage unit 806, an image output A unit 207 and an authority information storage unit 808, and processes image data received from the scanner 400. The image processing apparatus 800 is an apparatus having an arithmetic function such as a PC.

  The form image data generated in the image input system 900 described above is displayed on the monitor of the verification workstation after the reference operator inputs the authority at the verification workstation.

In the third embodiment, as in the first and second embodiments, a form image input unit handled by a financial institution or the like will be described. Therefore, before describing each configuration, a form to be input and a blind area designation form will be described with reference to the drawings.
FIG. 12 is an explanatory diagram of a form according to the third embodiment.
As shown in the figure, the form includes an address, name, seal, date of birth, store number, account number, password, and the like.

FIG. 13 is an explanatory diagram of a blind area designation form according to the third embodiment.
As shown in the figure, blind marks 3a and 3b for blinding specific item information are written in the blind area designation form in accordance with the authority of the reference operator.

Here, a rule for authority identification by blind marks will be described.
The blind marks 3a and 3b have a plurality of formats so that item information to be blinded can be set by the authority of the reference operator. For example, a plurality of mark colors (black, red, etc.) and description methods (filling, single-line rectangle, double-line rectangle, etc.) can be used to identify the authority.

  In the third embodiment, a black-painted rectangular blind mark 3b and a black double-line rectangular blind mark 3a are used as the authority-identifiable blind marks. The black-filled rectangle is the area where the authority 1 reference operator is blinded, and the black double-line rectangle is the area where the authority 2 reference operator is blinded.

As described above, the authority identification rule based on the blind mark is not determined for each role, but the authority identification is determined by the rank of the reference operator. The method of not being used is also acceptable.
The authority identification rule based on the above defined blind mark is stored in the authority information storage unit 808 in advance.

  Returning to FIG. 11, the blind area detection unit 803 reads the blind marks 3 a and 3 b shown in FIG. 13 by image processing using the image data of the blind area designation form stored in the blind area designation form image storage unit 502. . Since the description method of the blind mark is different so that the authority can be identified, the blind mark is identified according to the authority identification rule by the blind mark stored in the authority information storage unit 808. Then, the number of identified blind marks and the position information of the blind marks 3a and 3b are detected.

  For the blind mark 3a, the position information of the identified blind mark is expressed in the format of X = 50 mm, Y = 40 mm, W = 10 mm, H = 15 mm for authority 2, and the reference position is (X, Y) = ( 50, 40) indicates that the width is 10 mm and the height is 15 mm. Similarly, in the case of the blind mark 3b, the authority 1 is represented in the form of X = 70 mm, Y = 3 mm, W = 45 mm, H = 15 mm, and the reference position is (X, Y) = (70, 3). It indicates that the width is 45 mm and the height is 15 mm.

  The blind area detection result storage unit 804 is a part in which the number of identified marks, the position information of the blind marks 3a and 3b, and authority information are stored.

  The blind area processing unit 805 reads the number of identified marks stored in the blind area detection result storage unit 804, the position information of the blind marks 3a and 3b, and the image data stored in the form image storage unit 501. Then, the blind region processing unit 805 adds blind processing to the image data on the surface using the number of identified marks and the position information of the blind marks 3a and 3b. As described above, when there are blind marks having different authorities, image data to which blind processing for each authority is added is generated, and authority information is added to the image data.

  By adding the authority information, when displaying the form image on the verification workstation, the image data to which the blind processing according to the authority of the reference operator is added is displayed on the monitor. An example is shown below.

The blind processed image data of the third embodiment will be described below.
FIG. 14 is an explanatory diagram of image data blind-processed for the reference operator with authority 1 according to the third embodiment. As shown in the figure, blind data is added only to the password field in the image data that has been blind processed. In addition, an authority display 4b indicating that blind processing has been added to the authority 1 reference operator is displayed on the upper right.

FIG. 15 is an explanatory diagram of image data blind-processed for the reference operator with authority 2 according to the third embodiment. As shown in the figure, the blind-processed image data is blind-processed only in the stamping column. Further, an authority display 4a indicating that blind processing has been added to the reference operator of authority 2 is displayed on the upper right.
By displaying the authority displays 4a and 4b, it can be confirmed whether the blind display is performed for each authority.

  Returning to FIG. 11, the blind-processed image storage unit 806 is a storage unit that stores the blind-processed image data created by the blind region processing unit 805. As described above, when there are a plurality of blind marks having different authorities, image data obtained by adding blind processing to the image data of the surface is generated using each information of the blind mark for each authority. Store all. When the reference operator displays the form image on the verification workstation, only the image data to which blind processing is added is displayed according to the authority of the reference operator.

The image input system according to the third embodiment described above operates as follows.
FIG. 16 is an operation flowchart of the image input system according to the third embodiment.
The process flow from step S301 to step S307 will be described in the order of steps according to the flowchart shown in the figure.

(Step S301)
First, a specific operator who is a form manager prepares a plain form of the same size as the form, and describes the blind marks 3a and 3b that can be detected by image processing at the same position as the area to be blinded.

  As shown in FIG. 13, the mark is filled in for the reference operator of authority 1 and formed by a double-line rectangular frame for the reference operator of authority 2.

(Step S302)
When a specific operator who is a form manager sets a form and a blind area designation form on the scanner 400 and starts a device (not shown), the scanner 400 sequentially reads each form sequentially. First, the image reading unit 401 scans a blind area designation form and stores the image data in the blind area designation form image storage unit 502.

(Step S303)
Subsequently, the image reading unit 401 scans the form and stores the image data in the form image storage unit 501.

(Step S304)
Next, the blind area detection unit 803 detects the blind marks 3 a and 3 b from the image data stored in the blind area designation form image storage unit 502. The blind area detection unit 803 identifies the mark using the mark identification rule of the authority information storage unit 808, detects the number of each mark and the position information of each blind mark 3a, 3b, and stores the information in the blind area detection result storage unit 804. Store.

(Step S305)
If there is no blind mark, the blind area detection unit 803 notifies the image output unit 207 to that effect and proceeds to step S307.

(Step S306)
When the blind region processing unit 805 receives a signal indicating detection of a blind mark from the blind region detection unit 803, the blind region processing unit 805 reads the number of each mark stored in the blind region detection result storage unit 804 and the position information of the blind marks 3a and 3b. Further, the image data of the form stored in the form image storage unit 501 is also read. In the case where the mark is described by a solid line and a double-line rectangular frame shown in FIG. 13, the blind area processing unit 805 adds the blind processing corresponding to the blind mark 3 b that is authority 1 to the image shown in FIG. 14. The image data shown in FIG. 15 to which data and blind processing corresponding to the blind mark 3a which is the authority 2 are added is created. Note that authority information is added to each image data. The blind area processing unit 805 stores the two pieces of image data in the blind processed image storage unit 806 and notifies the image output unit 207 to that effect.

(Step S307)
The image output unit 207 reads the image data stored in the form image storage unit 501 if there is no blind mark in step S305 when confirming that the specific operator who is the form manager stores the image data. Displayed on the device monitor. The operator checks the display to detect that there is no blind display that should be, confirms the blind mark written on the blind area specification form, and corrects the mistake in the description method. Again, form data is converted into image data.

  On the other hand, when the image data processed in step S306 is generated, the image output unit 207 reads the blind processed image data stored in the blind processed image storage unit 806 and displays it on the apparatus monitor. When a plurality of blind processed image data are created in step S306, each is displayed on the apparatus monitor. The operator confirms whether the blind display corresponding to the authority is in an appropriate position by checking the authority display and the blind item. If not, the operator corrects the blind mark, etc. Convert image data.

As described above, in the third embodiment, the authority of the reference operator is confirmed, and the item information for which the authority is not authorized is displayed in a blind manner. It is possible to prevent leakage of item information.
The authority of the reference operator may be acquired from the database based on the operator ID when logging into the verification workstation.

  Each function described in the above embodiment may be configured using hardware, or may be realized by reading a program describing each function using software. Each function may be configured by selecting either software or hardware as appropriate.

1 is a system configuration diagram of an image input system according to Embodiment 1. FIG. It is explanatory drawing of the surface of the form of Example 1. FIG. It is explanatory drawing of the back surface of the form of Example 1. FIG. It is explanatory drawing of the image data by which the blind process of Example 1 was carried out. 3 is an operation flowchart of the image input system according to the first embodiment. FIG. 6 is a system configuration diagram of an image input system according to a second embodiment. It is explanatory drawing of the form of Example 2. FIG. It is explanatory drawing of the blind area | region designation | designated form of Example 2. FIG. It is explanatory drawing of the image data by which the blind process of Example 2 was carried out. 10 is an operation flowchart of the image input system according to the second embodiment. FIG. 10 is a system configuration diagram of an image input system according to a third embodiment. It is explanatory drawing of the form of Example 3. FIG. It is explanatory drawing of the blind area | region designation | designated form of Example 3. FIG. It is explanatory drawing of the image data by which the authority 1 of Example 3 was blind-processed. It is explanatory drawing of the image data by which the authority 2 of Example 3 was blind-processed. 12 is an operation flowchart of the image input system according to the third embodiment.

Explanation of symbols

1a, 1b, 2a, 2b, 3a, 3b Blind mark 4a, 4b Authority display 100, 400 Scanner 101 Front image reading unit 102 Back image reading unit 200, 500, 800 Image processing apparatus 201 Front image storage unit 202 Back image storage unit 203, 503, 803 Blind area detection unit 204, 804 Blind area detection result storage unit 205, 805 Blind area processing unit 206, 806 Blind processed image storage unit 207 Image output unit 300, 600, 900 Image input system 401 Image reading unit 501 Form image storage unit 502 Blind area designation form image storage unit 808 Authority information storage unit

Claims (10)

An image input system for blindly processing each item information to be concealed for image data of a form composed of a plurality of items,
Reading means for reading image data from a mark entry form in which each blind mark is entered at a position corresponding to the entry position of each item information of the form;
Mark area detecting means for detecting each mark area where each blind mark is entered from the image data of the mark entry form;
An area processing unit that converts each area corresponding to each item information of the image data read from the form into each blind data based on each mark area and generates processed image data;
Look including a storage unit for storing the processed image data,
In the mark entry form, each blind mark is entered in a format indicating authority information given to each item of the form,
The mark area detection means detects the authority information by reading the format of each written blind mark,
The area processing unit converts each area corresponding to item information according to authority information into each blind data when generating the processed image data .   The image input system according to claim 1, wherein the mark entry form is formed on a back surface of the form.   2. The image input system according to claim 1, wherein the mark entry form is a form different from the form, and the image data of the mark entry form is read immediately before or after reading the image data of the form. The format indicating the authority information is each color attached to each blind mark corresponding to each authority information,
4. The image input system according to claim 1, wherein the mark area detection unit detects each authority information by reading a color of each blind mark. 5. The format indicating the authority information is a description method of each blind mark set corresponding to each authority information,
The image input system according to any one of claims 1 to 3, wherein the mark area detection unit detects each authority information by reading a description method of each blind mark. A method of performing blind processing on each item information to be concealed for image data of a form composed of a plurality of items,
Reading image data from a mark entry form in which each blind mark is entered at a position corresponding to the entry position of each item information of the form;
Detecting each mark area where each blind mark is entered from the image data of the mark entry form;
Converting each area corresponding to each item information of the image data read from the form into each blind data based on each mark area to generate processed image data;
Storing the processed image data in a storage unit;
In the mark entry form, each blind mark is entered in a format indicating authority information given to each item of the form,
Upon detecting the mark area, the authority information is detected by reading the format of each written blind mark,
A form blind processing method characterized by converting each area corresponding to item information corresponding to authority information into each blind data when generating the processed image data. The form blind processing method according to claim 6, wherein the mark entry form is formed on a back surface of the form. 7. The form blind processing method according to claim 6, wherein the mark entry form is a form different from the form, and the image data of the mark entry form is read immediately before or after reading the image data of the form. The format indicating the authority information is each color attached to each blind mark corresponding to each authority information,
9. The form blind processing method according to claim 6, wherein when the mark area is detected, the authority information is detected by reading a color of each blind mark. The format indicating the authority information is a description method of each blind mark set corresponding to each authority information,
9. The form blind processing method according to claim 6, wherein when the mark area is detected, the authority information is detected by reading the description method of each blind mark.

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