JP2001086330A - Image-processing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent forgery of paper money, etc., by inhibiting the output of the image data of an original image, when the original image is decided as being identical with a preliminarily registered specific image. SOLUTION: In this system, an image input device 201, an image processor 202, and an image output device 204, etc., are connected. The device 201 is provided with a specific image deciding part, which decides identity between read original image data and preliminarily stored specific image data, adds decision result data to the read original image data and outputs the resulting data. The processor 202 performs processing inhibiting the output of the original image data, when the decision result data decides that the original image is identical with the specific image and also output data for clarifying that the original image is identical with the specific image. It is possible to efficiently prevent the output of a forgery inhibition image such as paper money by the above processing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to an image processing system, and more particularly, to an image processing system having a function of preventing counterfeiting of bills and securities.

[0002]

2. Description of the Related Art In recent years, products that handle images such as digital colors have become widespread. Among them, an image input device, an image processing device, an image output device, and the like are connected via an input / output interface, and image processing is performed. Some are commercialized as systems. Many of them are used for useful applications. However, with the high performance of the image processing system as described above, anyone can easily obtain high-resolution and excellent color reproducibility output, so it is possible to execute serious crimes such as copying and counterfeiting banknotes The situation is coming. In order to prevent such crimes of counterfeiting banknotes, a device for inputting and outputting images is provided with a function of recognizing banknotes, and measures are taken to prevent the output from leaking.

For example, the image input device disclosed in Japanese Patent Application Laid-Open No. 7-336533 is provided with an interface so that it can be used independently as an image input device, and is connected to an external device such as a workstation via the interface. A means for controlling image input based on the recognition result of a specific document such as a bill when using the same, and controlling the image input operation if the input image data is determined to be the specific document. Has a function of preventing reading of bills and the like.

Normally, the image input apparatus includes a document pressing unit 101, a document 102, a contact glass unit 103, a reading carriage unit 104, and an illumination lamp 10 as shown in FIG.
5. Mirror 106 for guiding reflected light, condenser lens 10
7. CCD sensor 108, conversion circuit (image processing circuit) 109 for converting an analog electric signal into a digital electric signal,
And an interface 110 with an external device. Further, in the conventional example, in addition to the conversion circuit 109, a judgment circuit for judging identity between a document image and a specific image and a control circuit for controlling image input based on the judgment result are added.

At this time, although it is not particularly mentioned in the prior art, it is necessary to determine whether or not the original image is the same as the specific image and to control whether or not to output the original image data from the image input device. Therefore, a memory for one side of the document image data is required. In other words, even if it was possible to determine in real time the identity between the document image data for one side of the document read in real time and the specific image, the image data read in real time was output to the external device. In this case, the control unit cannot control the image data as described in the conventional example. Therefore, a memory for temporarily storing image data is required to realize the functions of the above-described conventional technology.

If the function of the above-mentioned conventional example is to be realized without using a memory, a plurality of times of scanning of the original image is required. In a copier or the like, four scans are performed to convert RGB image data into color material amounts of K (black), Y (yellow), C (cyan), and M (magenta). As described above, when connected to an external device via the interface, the connected external device is not always an output device using the KYCM toner.

As a device connected by the interface, for example, a PC on which image processing software is installed may be considered. If the above-mentioned conventional image input device is connected to this PC, an expensive image input device with a built-in memory is purchased or a scanning operation that is good in one scanning operation is performed a plurality of times, which is very slow and inefficient. You will have to use an image input device. Moreover, despite the very low probability that a copy-inhibited document such as a bill is placed on the contact glass, the device becomes expensive or the efficiency becomes poor.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and when a document image is determined to be the same as a specific image registered in advance, the fact is determined. It is an object of the present invention to provide an image processing system including means for notifying a user or prohibiting the output of the image data, and efficiently realizing forgery prevention without cost.

[0009]

According to a first aspect of the present invention, there is provided an image input device for reading image data of a document and performing required processing on the image data, and reading the image data from the image input device and storing the read image data in an internal memory. Expanded, has an image processing device that performs image processing on the expanded image data, and an image output device that outputs image data stored in the image processing device, the image input device, the image processing device, In the image processing system in which the image output device is connected via an input / output interface, the image input device determines the identity between the read image data of the document and the specific image data held in the image input device in advance. A specific image determining unit to be determined, and a determination data adding unit that adds determination result data based on the determination result of the specific image determining unit to the image data of the document. The one in which the features.

According to a second aspect of the present invention, in the first aspect of the present invention, the image processing apparatus has the image data of the document and the determination result added to the image data from the image input device via the input / output interface. Enter the data and
When the added determination result data determines that the image data of the document and the specific image data are identical, the image data read from the image input device is discarded, and the It is characterized by having means for prohibiting outflow.

According to a third aspect of the present invention, in the first aspect of the present invention, the image processing apparatus includes the image data of the document and the determination result added to the image data from the image input device via the input / output interface. Enter the data and
When the added determination result data determines that the image data of the original document and the specific image data have the sameness, the image processing apparatus further includes means for displaying the presence of the sameness. Things.

According to a fourth aspect of the present invention, in the first aspect of the present invention, the image processing apparatus includes the image data of the document and the determination result added to the image data from the image input device via the input / output interface. Enter the data and
When the added determination result data determines that the image data of the document and the specific image data have the sameness, the image data for specifying that the sameness exists is output to the image output device. It is characterized by having means for outputting to an apparatus.

[0013]

FIG. 2 is a schematic diagram showing an embodiment of an image processing system according to the present invention. In FIG. 2, reference numeral 201 denotes an image input device, 202 denotes an image processing device, 203 denotes a display panel, and 204 denotes an image. Output device, 205 is an input / output interface cable for connecting each device, 206 is C
DR and 207 are a built-in HDD, 208 is a PC (Personal Computer) that has the CD-R, and 209 is a display.

The document image data read by the image input device 201 is taken into the image processing device 202 via the input / output interface cable 205. The image processing device 202 has a memory for one or more pages of a document therein, and sequentially stores the read image data in the memory. The image data read by the image processing device 202 includes:
In some cases, input / output interface cable 205
Can be stored in the HDD 207 built in the PC 208 via the PC 208, or can be stored in the CD-R 206 and held externally. Furthermore, built-in HDD 207, C
The image data read from the D-R 206 is transferred to the image processing apparatus 202 via the input / output interface cable 205.
It is also possible to perform image processing by developing the image data in a memory of the same type.

Display panel 203 of image processing apparatus 202
Is a liquid crystal display or the like for displaying a message prompting an operation or displaying some warning message. The image output device 204 is connected to the image processing device 202 via an input / output interface cable 205, and can output image data developed in a memory of the image processing device 202 to an output sheet.

The image input device 201 shown in FIG. 2 will be described in detail. First, a mechanical description will be given with reference to FIG. A document 102 placed so as to be pressed against a contact glass 103 by a document presser 101 is scanned by a reading carriage 104 of an image input device, and white light emitted from an illumination lamp 105 is incident on a document image and reflected light thereof Is guided by the plurality of mirrors 106, reaches the CCD sensor 108 through the condenser lens 107, and converts the light into an electric signal. The image data converted into the electric signal is subjected to image processing by an image processing circuit 109 existing in the form of a printed circuit board or the like, and is output to an external device via an interface 110.

FIG. 3 is a block diagram for explaining the configuration and processing operation of the image processing circuit 109 shown in FIG. 1 in more detail. The portion surrounded by a dotted line is the image processing circuit 109, and the white light emitted from the illumination lamp is shown. Reference numeral 301 denotes an operation optical system until the light is reflected and reaches the CCD sensor. In FIG. 3, reference numeral 302 denotes a CCD sensor; 303, an A / D converter for converting an analog electric signal into a digital signal; 304, a shading correction unit for correcting a white level serving as a color reference of the operation optical system; Denotes a determination data adding unit, 306 denotes an external I / F, 307 denotes a light amount control unit, 308 denotes a motor driver, 309 denotes a CPU for controlling the whole, 310 denotes a scanner γ conversion unit, and 311 denotes a specific image determination unit.

The CPU 309 controls the light amount control unit 307 based on information from, for example, the shading correction unit 304 to adjust the light amount of the operation optical system 301, and controls the motor driver 308 to operate the reading carriage 104. Is controlling. The scanner γ conversion unit 310 is a circuit that performs γ conversion on image data so that the subsequent specific image determination unit 311 can easily perform the recognition process. That is, the specific image determination unit 3
In step 11, a specific image set in advance is compared with the read original image to determine the sameness.
By enhancing the color characteristics of the specific image by the scanner γ conversion unit 310, the identity can be determined with higher reliability.

As described above, the specific image determining section 311 is a circuit for determining the identity between the original image and the specific image. The determination result determined by the specific image determination unit 311 is added to the document image data read by the determination data addition unit 305. As a method of adding the determination data to the image data, there is a method of adding a specific image determination data bit to the image data bus and using the determination data bit separately from the image data, or a method of adding the determination data to the image data itself. .

In the above case, when the added judgment data indicates that the original image is "identical" to the specific image,
Since the image data is a counterfeit image, it is considered that there will be no problem because any influence on the image data will be discarded later, but in the case of “no identity”, the read image data is the judgment data It is necessary to consider that the influence of the image does not appear as an image. Thus, the determination image data is transmitted from the external I / F 306 to the external device together with the image data. Examples of the external device include a PC (personal computer), a workstation, and a printer on which image processing software is installed.

The image processing apparatus 202 shown in FIG. 2 will be described. FIG. 4 is a block diagram for explaining the configuration and operation of the image processing apparatus 202 shown in FIG. 2 in more detail. In this embodiment, an external interface (I / F) 401 for inputting image data from outside is provided.
The image input device 2 is connected to the image input device 201
The image data can be read from the image data 01, and the separation circuit 402 is a circuit that separates the document image data from the specific image determination data added thereto.

As described above, when image data is read by the image input device 201 of the present embodiment, the result of simultaneously determining whether or not the image data is identical to the specific image is added to the image data. ing. Then, at the time of image reading, the specific image determination data is separated in real time from the image data to which the specific image determination data has been added.

The selector 403 selects, under the control of the CPU 408, image data read from the outside or image data subjected to image processing from the image processing unit 410. The memory 404 is readable and writable for storing image data.
With respect to the data bus, image data input at a high speed is subjected to, for example, serial / parallel conversion or the like, thereby increasing the bus width and reducing the transfer rate to enable access to a relatively low-speed memory.

A memory control unit 409 generates a control signal for storing the read image data in the memory 404 and reading the image data from the memory 404. The memory control unit 409 controls, for example, a write / read start address of image data flowing to the memory 404, controls a write / read width, controls a write / read enable signal, and further controls an image. For example, gate control of the data bus is performed.

The image output control unit 405 converts the image data read from the memory 404 together with an image synchronizing signal, for example, a pixel clock signal or a line synchronizing signal, a page signal indicating the effective range of sub-scanning, and the like via the external I / F 406. Output to external devices such as. Further, under the control of the CPU 408 which performs overall control of the image processing apparatus, a function of outputting the read image data of the memory 404 or stopping the image output is realized. Also, the decoding unit 407
Is for analyzing the judgment data separated from the image data by the separation circuit 402, reads predetermined judgment data, decodes it, and instructs the CPU 408 to “identify with the specific image” / “specific image”. No identity ".

The CPU 408 controls the entire image processing apparatus. Further, the image processing unit 410 has a function of performing image processing on the image data read into the memory 404 via the memory control unit 409. As the image processing content, a well-known image processing technology is mounted. The display control unit 411 stores the memory 40 in the display panel 203 of FIG.
4 for displaying the image data. The display control unit 411 has a pattern generator and has a CPU
A character string such as a message can be displayed under the control of 408.

The printer output control unit 413 outputs image data to the image output device 204 and, at the same time, outputs image control signals such as a pixel clock signal, a line synchronization signal, and a page signal indicating an effective range of sub-scanning.

Next, the image output device 204 shown in FIG. 2 will be described. FIG. 5 is a schematic configuration diagram showing an image output device in an embodiment of the image processing system according to the present invention.
Reference numeral 501 denotes a machine main body; 502, a photosensitive drum; and 503, a laser unit constituting an exposure optical system of the photosensitive drum. A main charger 504 including a corona discharger and the like, a developing unit 50 are provided around the photosensitive drum 503.
5, transfer drum 506, cleaning unit 507,
The static elimination units 512 are arranged in that order in the rotation direction of the photosensitive drum. Further, in FIG. 5, reference numeral 508 denotes a paper feeding unit, 509 denotes a fixing unit, 510 denotes a paper feeding path, and 511 denotes a paper feeding path.
, A paper transport unit; and 512, a static elimination unit.

After the surface of the photosensitive drum 502 is charged by corona discharge of the main charger 504 while rotating, an electrostatic latent image is formed on the surface of the photosensitive drum 502 on which the original image is charged by the laser unit 503. After being drawn, the developing unit 505 applies charged toner to the electrostatic latent image to form a toner image of a document image.

The developing unit 505 has, for example, an M developing device having magenta toner and developing with the toner, and a developing device C having cyan toner and developing with the toner.
A developing device having a yellow toner, a Y developing device for developing with the toner, and a K developing device having a black toner and developing with the toner are attached to the rotating drum,
The rotating drum is arranged such that these developing units are selectively brought to a developing position facing the photosensitive drum 502 in accordance with the color image data for writing the latent image by the laser beam (LB) emitted from the laser unit 503. Are sequentially rotated for each color.

When a full-color image is formed during the above-described development, first, as described above, the electrostatic latent image is formed on the surface of the photosensitive drum 502 by the laser beam emitted from the laser unit 503 based on the magenta color image data. An image is formed, and the latent image is developed by an M developing device.

A plurality of paper cassettes containing papers of various sizes are loaded in the paper supply unit 508, and the paper is transferred from a paper cassette selected as an alternative through the paper supply path 510 to the transfer drum 506. Supplied to The photosensitive drum 502 developed with the magenta toner
The image on the front surface is transferred onto a sheet arranged to be wound around the surface of the transfer drum 506. This sheet is kept wound around the surface of the transfer drum 506 even after the magenta image is transferred.

The photosensitive drum 5 which has completed the transfer of magenta
The toner remaining on the surface of No. 02 moves to the cleaning unit 507. Further, the cleaning unit 507
A laser beam (LB) that is charged again by the main charger 504 after passing through the charge removing unit 512 disposed between the and the main charger 504, and performs a latent image writing operation based on cyan color image data. Thus, the surface of the photosensitive drum 502 is exposed. The electrostatic latent image corresponding to the cyan image formed by this exposure is also developed by the C developing device in the same manner as when forming the magenta image. At this time, the C developing device
It is provided by rotating to a position facing the photosensitive drum 502 instead of the above-described M developing device. The image on the photosensitive drum 502 developed with the cyan toner is
First, a magenta image is transferred and formed, and is transferred onto a sheet held on the surface of the transfer drum 506.

On the paper on which the magenta and cyan toner images have been formed as described above, the yellow and black images are further repeated by the same processes as the magenta and cyan image forming and transferring processes. , And a full-color copy image faithful to the original image is finally formed. Thereafter, the sheet on which the full-color image has been formed is separated from the transfer drum 506, and then conveyed to the fixing unit 509 by the sheet conveying unit 511, heated and pressed by the fixing unit 509, and thereby the toner image is formed. Is finally discharged from the machine body.

Next, the operation of the portion relating to the present invention in this embodiment will be described. The scanner γ conversion unit 310 of the image input device 201 is a block having a function of performing a gamma table conversion process on the read RGB original image, and is for preparing the subsequent specific image determination unit 311 for preparation. Optimal conversion processing is performed to further improve the recognition rate of the image determination unit 311.

For example, if the specific image to be recognized is a reddish image as a whole, naturally, R
The ratio of the R component of the GB image data is high, and the GB component is low. Since the gamma table has a total of three tables, one table for each of the RGB colors, in the reddish image data as in this example, the value of the R (red) gamma table is more reddish. So that it is converted in the increasing direction,
In addition, regarding the gamma tables for G (green) and B (blue), by setting the tables so that the gamma tables are converted in a direction that suppresses the color, the recognition rate of specific image data can be further improved.

The image data optimally converted by recognizing the specific image by the scanner γ conversion unit 310 as described above is passed to the next specific image determination unit 311. The specific image determination unit 311 has a function of determining the identity between the document image data read by the image input device 201 and the specific image using a well-known pattern matching recognition technology. In the present embodiment, the specific image is an image pattern of a forgery prohibited object represented by a bill or the like, and the specific image determination unit 311 converts the original image 102 set on the contact glass 103 of the image input device 201 as described above. An operation of determining whether or not it is a forgery prohibited item is performed.

The determination result of the specific image determination unit 311 is, for example, 1 in this embodiment for simplicity.
It is assumed that a bit determination signal is output. For example, in the case of “identity”, a value “0”, that is, a signal of “L” level is output, and in the case of “no identity”, a value of “1”, A promise is made to output an "H" level signal.
The determination data adding unit 305 at the subsequent stage receiving the 1-bit determination data signal adds the determination data to the document image data based on the determination result of the specific image determination unit 311.

FIG. 6 is a diagram for explaining in more detail the circuit configuration and processing operation of the judgment data adding section shown in FIG. 6 indicate addresses in the scanning operation area of the image input device 201, respectively. The address is a value that can be controlled by the CPU 309 and can be changed according to the size of the scanning operation area.

FIG. 7A is a diagram showing a scanning operation area, and FIG. 7B is an enlarged view of a portion B in FIG. 7A. The above-mentioned addresses are based on the upper left of the scanning operation area in FIG.
Addresses up to b and c are shown. That is, the parameter 0 is the address in the sub-scanning direction from the upper left reference point to the point a, the parameter 1 is the address in the sub-scanning direction from the upper left reference point to the point b, and the parameter 2 is the main address from the upper left reference to the point a. The address 3 in the scanning direction and the parameter 3 indicate the address in the main scanning direction up to the point c from the upper left reference. That is, parameters 0 to 3 are parameters for generating a relatively small rectangular area indicated by R in FIG.

In this embodiment, determination data indicating the identity of the specific image is added to the invalid area of the read image. The rectangular area indicated by R in FIG. 7A to which the determination data is added is set as an invalid area of the image data. The invalid area is always present in the image data read from the image input device 201, and this area is used, for example, for an image portion that is discarded when stored in a memory or the like inside the image processing device 202 of the present embodiment. pointing. Therefore, before the image data is stored in the memory or the like, the image data including the invalid area can be accessed, and some information can be added to this area. Image processing apparatus 2 constituting image processing system apparatus of the present invention
No. 02 determines whether or not the read image data includes the specific image based on the determination data added to the invalid area.

Next, a circuit for continuously adding the determination data shown in FIG. 6 to the image data will be described. Parameters 0 to 3 are as described above. The sub-scanning counter sequentially counts the number of sub-scanning lines from the upper left reference point in FIG. 7A, and the main scanning counter sequentially counts the number of main scanning pixels from the upper left reference point. In the sub-scanning direction area of the determination data storage rectangular area (R in FIG. 7A), the value of the sub-scanning counter is as shown in FIG.
Parameter 1 is larger than the value indicated by parameter 0
The signal is "H" while the value is smaller than the value indicated by "."

Similarly, in the area in the main scanning direction of the determination data storage rectangular area ((A) R in FIG. 7), the value of the main scanning counter is larger than the value indicated by parameter 2 in FIG. The signal is "H" while the value is smaller than the value indicated by "." A region where both of these signals are at the “H” level is a rectangular region R in which specific image determination data is to be stored.
Becomes

The circuit of FIG. 6 uses the selector S of FIG. 6 to add, for example, the B data of the RGB data to the rectangular area R of FIG. This is a circuit configured to add determination data to the most significant bit. With such a simple circuit configuration, determination data can be added to the read image data. Then, the added determination data is sent to the image processing device 202 together with the image data via the interface.

Next, a part of the image processing apparatus 202 relating to the present invention will be described in detail. 4 separates the specific image determination data added to the document image data read by the image input device from the image data. In the present embodiment, a storage rectangular area is generated in an invalid area generated in the scanning operation area by a circuit as shown in FIG. 6, and the determination data is stored in this rectangular area. 6, the determination data can be read by latching the image data inside the rectangular area designated by the separation circuit by using a main / sub counter and a comparator (specific circuit configuration is shown in FIG. The detailed explanation is omitted because it can be easily estimated from the circuit of FIG. However, regarding the position of the rectangular area in which the determination data is stored and the content of the information to be written, the image input device 201 can read the specific image determination data added by the image input device 201 at a later stage. And the image processing apparatus 202 must determine rules in advance.

Next, the decoding section 407 shown in FIG. 4 will be described. The decoding unit 407 is a block that decodes the specific image determination data separated by the separation circuit 402. In the case of this embodiment, since the specific image determination data is determined to be “L” with “identity” and “H” with “non-identity”, the decoding unit does not require a very advanced function. . However, for example, if it is desired to add information such as what kind of banknote was determined together with the information indicating whether the image is determined to be a specific image, the determination data is set to 1
It is also possible to use not a bit but a plurality of bits and add it as coded bill information.

It is also possible to add information such as a recognition accuracy rate, that is, information on how often the judgment result is correct. In such a case, the decoding unit 407 needs to decode the coded bill information. The data decoded by the decoding unit 407 and converted into information that can be understood by the CPU 408 is stored in the CPU 40.
8 is notified. Then, the CPU 408 controls the subsequent circuit.

When the CPU 408 determines that “the read original image and the specific image are not identical” from the specific image determination data notified through the decoding unit 407,
The conventional functions are realized as the image processing apparatus 202.
On the other hand, when the CPU 408 determines from the specific image determination data that “the original image and the specific image have the sameness”, the original image data including the specific image already read into the memory is deleted, and the external image data is deleted. In such a manner that the image data is not output to the user.

The display panel 203 and the image output device 2
From 04 or the like, copying of the original placed on the contact glass 103 is prohibited, and the user is immediately notified that the document is forged, thereby taking measures to prevent the spread of crime. For example, typically, first, the memory 4
The memory controller 409 controls the memory 404 to be in a write enable state under the control of the CPU 408 and deletes the image data from the data bus to “0x00”, Alternatively, “0xFF” or the like is overwritten on the entire surface of the memory 404 to destroy the image data including the specific image.

Further, in this embodiment, under the control of the image processing unit 410, the image data in the memory 404 including the specific image is subjected to a mosaic process, an under color, or the like, so that the image data is clearly regarded as the specific image. It is also possible to convert to an image that is not performed. As still another method, the image output control unit 405 or the printer output control unit 4
For example, the image data output to the outside by the block 13 is prevented by stopping the pixel clock, or the image control signal indicating the output image effective range of the sub-scanning and the main scanning is negated. Can be blocked.

The image output control unit 405 and the printer output control unit 413 themselves have a memory 404 as shown in FIG.
A circuit for preventing the above image data from being output may be configured. In FIG. 8, signal A is
This is a selection signal from the CPU 408. The CPU 408 is
When the user wants to output image data on the memory 404, the selector 802 selects the B signal. Conversely, if the image data on the memory 404 contains a specific image such as a bill and does not want to be output to the outside, the CPU 408 selects the selector 80
2, the C signal is selected, and “0x00” or “0xFF” generated by the image data generation circuit 801 is used as the output image data D, thereby preventing the copy prohibition data from flowing out.

As still another method, as shown in FIG. 9, not only the image data is simply destroyed, but also a small-scale image pattern generation circuit 901 is provided. Can also be output to For example, as an image pattern, a warning message such as "Attempting to output a prohibited copy" or the like,
It is also possible to output a deformed logo mark or the like for recognizing some wrongdoing in place of the fraudulent document image.

Further, as shown in FIG. 10, the display control unit 411 adds a pattern generator 1001 to the circuit configuration to control the output of a bill or the like under the control of the CPU 408 when an illegal act is attempted. By outputting the above warning message on a screen or the like in a visually visible manner, it is possible to prevent the spread of crime.

According to the present invention, with the above-described configuration, the identity of the original image data read in real time and the special image is determined in real time, the result of the determination is added to the image data, and the image data is output. Image processing device 2
On the 02 side, if the determination result data indicates that there is identity, take a measure to simultaneously prevent the document image data sent from the image input device 201 from leaking out,
Further, the output device such as the display panel 203 and the image output device 204 notifies the user that the original image is the same as the specific image, and a cost-effective image processing system device for preventing forgery is provided. Can be provided.

[0055]

According to the first aspect of the present invention, a specific image determining unit that determines the identity between the original image data read by the image input device and the specific image, and the specific image determining unit determines the identity of the specific image based on the determination result. The provision of the determination data adding unit for adding the determination result data to the input document image data makes it possible to easily and inexpensively recognize the specific image and to input the document image data more efficiently.

According to the second aspect of the present invention, the original image data and the additional determination result data are input from the image input device via the interface, and the original image data and the specific image data are identical according to the added determination result data. If it is determined that the original image data is present, the original image data read from the image input device is discarded, and a means for prohibiting the subsequent leakage of the original image data is provided. Outflow can be prevented.

According to the third aspect of the present invention, the original image data and the additional determination result data are input from the image input device via the interface, and the original image data and the specific image data are identical according to the added determination result data. When it is determined that there is a possibility that the original image data is identical to the specific image on the display device, for example, a warning message can easily and efficiently prevent forgery crimes. Can be recognized.

According to the fourth aspect of the present invention, the original image data and the additional determination result data are input from the image input device via the interface, and the original image data and the specific image data are identical according to the added determination result data. When it is determined that there is a property, by having a function of outputting image data for clearly indicating that the document image data has the same identity as the specific image from the image output device, simply and efficiently, Counterfeit crime can be recognized beforehand.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram illustrating an example of an image input device included in an image processing system of the present invention.

FIG. 2 is a schematic configuration diagram showing an embodiment of the image processing system of the present invention.

FIG. 3 is a block diagram for explaining the configuration and processing operation of the image processing circuit shown in FIG. 1 in more detail;

FIG. 4 is a block diagram for explaining the configuration and operation of the image processing apparatus shown in FIG. 2 in more detail;

FIG. 5 is a schematic configuration diagram showing an image output device in an embodiment of the image processing system according to the present invention.

6 is a diagram for explaining in more detail a circuit configuration and a processing operation of a determination data adding unit shown in FIG. 3;

FIG. 7 is a diagram illustrating an example of a scanning operation area.

FIG. 8 is a diagram showing a configuration example of a circuit for preventing output of image data on a memory according to the present invention.

FIG. 9 is a diagram showing another configuration example of a circuit for preventing output of image data on a memory according to the present invention.

FIG. 10 is a diagram illustrating a configuration example of a circuit according to the present invention for displaying a warning message or the like on a display unit when an unauthorized image is about to be output.

[Explanation of symbols]

101: document holder, 102: document, 103: contact glass, 104: reading carriage, 105: illumination lamp, 106: mirror, 107: condenser lens, 108: C
CD sensor, 109 ... conversion circuit (image processing circuit), 11
0: Interface, 201: Image input device, 202
... image processing device, 203 ... display panel, 204 ... image output device, 205 ... input / output interface cable, 2
06 CD-R, 207 internal HDD, 208 PC
209: display display, 301: operation optical system, 30
2 ... CCD sensor, 303 ... A / D converter, 304
… A shading correction unit, 305… a judgment data addition unit,
306: external I / F, 307: light amount control unit, 308: motor driver, 309: CPU, 310: scanner γ conversion unit, 311: specific image determination unit, 401: external interface, 402: separation circuit, 403: selector, 40
4 memory, 405 image output controller, 406 external I
/ F, 407: decode unit, 408: CPU, 409 ...
Memory controller 410 image processor 411 display controller 412 display panel 413 printer output controller 414 external I / F 501 machine body 502
Photoconductor drum, 503: laser unit, 504: main charger, 505: developing unit, 506: transfer drum, 507: cleaning unit, 508: paper feed unit, 509: fixing unit, 510: paper feed path, 51
1: paper transport unit, 512: static elimination unit, 801
.., An image data generation circuit, 802, a selector, 901, an image pattern generation circuit, 902, a selector, 1001, a pattern generator, and 1002, a selector.

Claims (4)

[Claims] An image input device for reading image data of a document and performing required processing on the image data, reading the image data from the image input device and developing the image data in an internal memory, and performing image processing on the developed image data And an image output device for outputting image data stored in the image processing device, wherein the image input device, the image processing device, and the image output device are connected via an input / output interface. In the connected image processing system, the image input device includes: a specific image determination unit configured to determine the identity between the read image data of the original document and the specific image data stored in the image input device in advance; An image processing system comprising: a determination data adding unit that adds determination result data based on a determination result of the determination unit to image data of the document. 2. The image processing system according to claim 1, wherein the image processing device is configured to output image data of the document from the image input device via the input / output interface and determination result data added to the image data. When the added determination result data determines that the image data of the document and the specific image data have the same identity, the image data read from the image input device is discarded. An image processing system for prohibiting the outflow of the image data. 3. The image processing system according to claim 1, wherein the image processing device is configured to output image data of the document from the image input device via the input / output interface and determination result data added to the image data. And when the added determination result data determines that the image data of the original document and the specific image data have the sameness, has means for displaying that the sameness exists. An image processing system, characterized in that: 4. The image processing system according to claim 1, wherein the image processing device is configured to output image data of the document from the image input device via the input / output interface and determination result data added to the image data. And when the added determination result data determines that the image data of the document and the specific image data have the sameness, an image for specifying that the sameness exists. An image processing system comprising means for outputting data to the image output device.