JP2005323143A - Camera system, printer, camera control method, printer control method, and image disclosing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a camera system etc., capable of preventing a leak of secret information, pirating, invasion of the right of portrait, and invasion of privacy. <P>SOLUTION: The camera system is equipped with a control signal detection part 103 which receives and decodes a photographic mode control signal to set with the photographic mode control signal a photography inhibition mode where a photographed image can not be obtained, a photographic resolution limitation mode wherein the resolution of a photographed image is limited to low resolution, a photographed image disclosure destination limitation mode wherein a photographed image is ciphered with a specific key to enable only a partner who has a deciphering key to decipher the image, and a photographed image charging mode in which a certain fixed amount of money is charged for use of a photographed image. An image processing part 101 performs control corresponding to the respective modes on receiving an image from a camera part 102. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a camera system, a printing apparatus, a camera control method, a printing apparatus control method, and an image disclosure method.

  More specifically, a shooting mode signal generator is installed in a place where a shooting target to be protected against shooting exists, and the shooting prohibition mode, shooting resolution limit mode, shooting image disclosure destination limitation is limited to the shooting mode signal generator. A signal corresponding to a plurality of modes such as a mode and a captured image charging mode is transmitted. By changing the shooting mode by receiving those signals, it is possible to prevent problems such as leakage of confidential information, copyright infringement, portrait rights infringement, privacy infringement, The present invention relates to a camera control method, a printing apparatus control method, and an image disclosure method.

  In recent years, camera systems have become smaller, lighter, and higher in image quality and improved in portability, so that high-quality images can be acquired regardless of location. Also, with the enhancement of the network infrastructure and the development of communication technology, it is possible to freely distribute the captured image information and perform secondary use. In such a situation, since the intention of the person and the owner who are photographed by the camera is not reflected at all, there are problems such as leakage of confidential information, infringement of copyright, infringement of portrait rights, infringement of privacy.

In response to these problems, a marker region having a shape similar to the shape of the marker stored in advance is detected from the photographed image, and a protection region in the image is extracted and extracted based on the detected marker region. An invention is disclosed in which privacy is protected by performing mosaic processing on the protected area (see, for example, Patent Document 1).
JP 2000-278484 A

  However, in the conventional camera system, the shape of a specific marker is necessary for detecting a region that cannot be photographed. However, this shape has to store the shape of the marker in advance on the camera system side.

  Also, in a camera system that recognizes an area that cannot be captured by detecting the shape of the marker, the subject cannot be detected because the marker shape cannot be detected if the photographer hides the marker portion included in the subject. Shooting is possible against the intention of the camera, so the subject is not protected.

  Furthermore, in a conventional camera system, when a region that cannot be photographed is detected, a protection region is extracted, and image processing is uniformly performed on the extracted protection region. Use of captured images, such as secondary usage restrictions and billing for captured images, is not possible.

  The present invention has been made to solve the above-described problems, and adds information that restricts the use of a captured image to a captured image with the intention of being a subject without using a marker. A camera system, a printing apparatus, a camera control method, a printing apparatus control method, and an image disclosure method capable of providing new means such as protection of a subject or disclosure to a specific object, and charging for use of a captured image The purpose is to provide.

  In order to achieve the above object, a photographing mode signal generator is installed in a place where photographing of the camera system is restricted. The shooting mode signal generator generates a shooting mode control signal for controlling the shooting mode. The shooting mode control signal includes a shooting prohibition mode signal that allows the camera system to switch to a shooting prohibition mode that makes it impossible to obtain a shot image even when shooting from the normal shooting mode, and shooting that restricts the resolution of the shot image to a low resolution. It is possible to switch to a shooting image disclosure destination limited mode in which a shooting resolution limit mode signal that enables switching to a resolution limiting mode and a shot image is encrypted with a specific key and can only be decrypted by a party having a decryption key. A disclosure-destination-limited mode signal, a photographed image charging mode signal for switching to a photographed image charging mode that charges a certain amount for use of the photographed image, and the like. When the camera system or the like receives the shooting mode control signal transmitted from the shooting mode signal generator, the camera system performs an operation corresponding to the received mode signal.

That is, the camera system of the present invention is a camera system including a camera unit that captures a subject and outputs an input image, and an image processing unit that performs image processing on the input image and outputs a captured image.
A control signal detector that receives a shooting mode control signal that designates a shooting mode transmitted from the shooting mode signal generator and decodes the shooting mode;
The image processing unit performs processing of the input image in accordance with a reception decoding result in the control signal detection unit.

  In the above configuration, the shooting mode control signal includes a shooting mode flag and an encryption key part, and when the shooting mode flag indicates a shooting image disclosure destination limited mode in which shooting is permitted only when receiving a specific permission, The image processing unit encrypts the input image using a secret key defined by the encryption key unit.

  In the above configuration, the shooting mode control signal includes a shooting mode flag and a resolution control flag. When the shooting mode flag indicates a shooting resolution limit mode for shooting an input image with a limited resolution, the image processing unit Signal processing is performed so that the resolution specified by the resolution control flag is obtained.

  In the above configuration, the shooting mode control signal includes a shooting mode flag, and when the shooting mode flag is a shooting prohibition mode in which shooting can be performed only when shooting is permitted, shooting is not permitted. The image processing unit does not output an image.

In the above configuration, the shooting mode control signal further includes a charging condition flag and a charging information section,
When the photographing mode flag is a photographed image charging mode indicating that it is necessary to charge for photographing the photographed image stored in the storage device, the image processing unit uses a secret key defined by the encryption key unit. To encrypt the input image,
When the billing condition flag indicates that the billing condition is valid, the billing information extracted from the billing information section is added to the photographed image and stored as photographed image data in the storage device.

  In the above configuration, the shooting mode control signal is supplied wirelessly.

A printing apparatus of the present invention is a printing apparatus having a printing apparatus for printing captured image data in the camera system having the above-described configuration,
A billing information extraction unit that extracts billing information from the captured image data;
Analyzing the extracted billing information, querying a predetermined database based on the analysis result, and according to the query result, a billing information communication unit for performing a fee payment procedure and obtaining a decryption key;
A decryption unit that decrypts the encrypted input image using the decryption key acquired by the billing information communication unit;
The image decoded by the decoding unit is printed by the printing apparatus.

  In the above configuration, the billing information communication unit makes the inquiry to the database through a public line.

  In the above configuration, the captured image data input to the billing information extraction unit is input through a public line.

  The above configuration further includes a public directory for storing the image data decoded by the decoding unit, and the public directory is accessible through a public line.

  The camera control method according to the present invention is a camera control method using the camera system according to claim 2, wherein the photographing is permitted only when the photographing mode flag for designating a photographing mode receives a specific permission. A step of determining whether or not to indicate an image disclosure destination limited mode; and when the shooting mode flag indicates the captured image disclosure destination limited mode, the input image is encrypted using a secret key defined by an encryption key portion Processing steps.

  According to another aspect of the present invention, there is provided a camera control method using the camera system according to claim 3, wherein the shooting mode flag for specifying a shooting mode is for shooting an input image with a limited resolution. A step of determining whether or not to indicate a resolution limit mode; and a step of performing signal processing so that the resolution specified by the resolution control flag is obtained when the shooting mode flag indicates the shooting resolution limit mode.

  Another camera control method according to the present invention is a camera control method using the camera system according to claim 4, and photography is possible only when photography is permitted by the photography mode flag that specifies a photography mode. A step of determining whether or not the shooting prohibition mode is satisfied, and when the shooting prohibition mode is set, the processing is stopped without performing storage in the storage device.

Another camera control method of the present invention is a camera control method using the camera system according to claim 5,
Determining whether or not the shooting mode flag for designating a shooting mode is a shooting image charging mode indicating that it is necessary to charge for shooting a shooting image stored in the storage device;
A step of encrypting the input image using a secret key defined in the encryption key part when in the photographed image charging mode;
When the billing condition flag indicates that the billing condition is valid, the billing information extracted from the billing information section is added to the photographed image and stored as photographed image data in the storage device.

A printing apparatus control method of the present invention is a printing apparatus control method using the printing apparatus according to claim 7,
A billing information extraction step for extracting billing information from the captured image data;
Analyzing the extracted billing information, making a query to a predetermined database based on the analysis result, and performing a fee payment procedure and obtaining a decryption key according to the query result;
And a decrypting step of decrypting the encrypted input image using the decryption key.

An image disclosure method of the present invention is an image disclosure method using the camera system according to claim 5,
A step of extracting billing information from the photographed image; a step of determining whether or not the billing condition is a billing mode; a step of inquiring a charge collector server when the billing target is a billing target; The method includes a step of paying a fee based on the included price information, a step of obtaining a decryption key from a public line, and a step of decrypting an image using the obtained decryption key.

  This invention solves problems such as leakage of confidential information, infringement of copyright, infringement of portrait rights, infringement of privacy by switching the photographing mode in photographing with the camera system, and uses the photographed image for the photographed image. By adding information that restricts the image, it is possible to propose new means such as disclosure of a captured image to a specific target and charging for use of the captured image.

  Embodiments of the present invention will be described below with reference to the drawings. In the drawings, the same reference numerals denote the same or corresponding members.

(First embodiment)
First, the outline of the present invention will be described. The present invention guarantees the security level intended by the subject and its owner by automatically switching the shooting mode of the camera system. In this embodiment, a digital camera is assumed as the camera system. However, the camera system is not limited to a digital camera, and requires a means for temporarily storing or storing image data as digital data and a means for outputting the stored image data. Is not limited to digital cameras.

  FIG. 1 is a block diagram showing a schematic configuration of a camera system in one embodiment of the present invention. The camera system 100 is based on a camera unit 102 for photographing a subject 120, a control signal detection unit 103 for receiving and decoding a shooting mode control signal, and a shooting mode control signal decoded by the control signal detection unit 103. An image processing unit 101 that processes image data input from the camera unit 102 and an interface with a storage device 110 that stores the captured image data that has undergone image processing are included.

  The camera unit 102 includes an optical lens and a photoelectric conversion element such as a CCD sensor. An image photographed by the camera unit 102 is converted into an electrical signal by a photoelectric conversion element and transmitted to the image processing unit 101.

  FIG. 2 is a block diagram showing a schematic configuration of a photographing mode signal generator in one embodiment of the present invention. The photographing mode signal generator 200 includes a control information storage device 201 that stores information corresponding to a plurality of modes such as a photographing prohibition mode, a photographing resolution restriction mode, a photographed image disclosure destination restriction mode, and a photographed image charging mode, and a control information storage. A control signal generation unit 202 that generates an electric signal pattern corresponding to each mode based on information stored in the apparatus 201, and a transmission that transmits the electric signal pattern generated by the control signal generation unit 202 as a shooting mode control signal Part 203.

  FIG. 3 shows a positional relationship among the camera system 100, the shooting mode signal generator 200, and the subject 120 when the shooting mode is controlled in one embodiment of the present invention. The shooting mode signal generation device 200 is installed at a position where the subject 120 and the area including the camera system 100 are well-viewed, and the positional relationship in which the shooting mode control signal generated from the shooting mode signal generator 200 can be received by the camera system 100. Installed.

  Next, a photographing process performed by the camera system 100 will be described. FIG. 4 is a flowchart showing a flow of shooting mode control processing performed in the camera system 100. The shooting process includes a step of inputting an image shot by the camera unit 102 (S01), a step of receiving and decoding a shooting mode control signal by the control signal detection unit 103 (S02), and a shot image disclosure destination mode process. Step (S03, S11, S12), step (S04, S21, S22) for performing the shooting resolution limit mode processing, step (S05) for performing the shooting prohibition mode processing, and a shooting mode control signal do not exist And a step of outputting an image (S06).

  In step S01, an image photographed by the camera unit 102 is input. The input image may be either a still image or a moving image.

  In step S02, the shooting mode control signal transmitted from the shooting mode signal generator 200 is received by the control signal detector 103, and the shooting mode is decoded. As the imaging mode control signal, light such as visible light, infrared light, and ultraviolet light, radio waves, magnetic waves, and sound waves can be used.

  In step S03, it is determined that the shooting mode is the shooting image disclosure destination limited mode. If the shooting mode is the shooting image disclosure destination limitation mode, the processes of steps S11 and S12 are performed.

  In step S11, encryption key information is extracted from the shooting mode control signal.

  In step S12, the image processing unit 101 encrypts and outputs the photographed image using the encryption key extracted in step S11.

  In step S04, it is determined that the shooting mode is the shooting resolution limit mode. If the shooting mode is the shooting resolution limit mode, the processes of steps S21 and S22 are performed.

  In step S21, resolution restriction information is extracted from the shooting mode control signal.

  In step S22, using the resolution restriction information extracted in step S21, the image processing unit 101 changes the resolution of the photographed image to the restricted resolution and outputs the photographed image.

  In step S05, it is determined that the shooting mode is the shooting prohibition mode, and if it is the shooting prohibition mode, the process ends without outputting an image.

  In step S06, the image processing unit 101 performs normal image output processing because it corresponds to the case where there is no shooting mode control signal.

  Next, the configuration of the shooting mode control signal transmitted from the shooting mode signal generator 200 will be described. FIG. 5 shows a shooting mode control signal 300 transmitted from the shooting mode signal generator 200. The shooting mode control signal 300 has a capacity of, for example, 64 bits. The first 2-bit data is the shooting mode flag 301, the next 2-bit data is the resolution control flag 302, and the next 60-bit data is encrypted. Each of the key portions 303 is included.

  The shooting mode flag 301 is used to distinguish a shooting prohibition mode, a shooting resolution limit mode, a shot image disclosure destination limit mode, and the like. When the data is 00, the shooting prohibit mode is set. In this case, the captured image disclosure destination limited mode is indicated.

  The resolution control flag 302 is effective in the shooting resolution limit mode and is used to determine the resolution of the image output by the image processing unit 101. When the data is 00, the resolution control flag 302 is 640 pixels × 480 pixels. Is 320 pixels × 240 pixels, 10 means 160 pixels × 120 pixels, and 11 means that the resolution is changed to 80 pixels × 60 pixels.

  The encryption key unit 303 is effective in the captured image disclosure destination limited mode, and includes 60-bit secret key information. A public key corresponding to this secret key is required when viewing the captured image.

  In the camera system shown in FIG. 1, when the shooting mode control signal is light such as visible light, infrared light, or ultraviolet light, the portion that receives the shooting mode control signal is a CCD sensor or the like constituting the camera unit 102. A photoelectric conversion element can also be used. In this case, the shooting mode control signal received by the camera unit 102 is transmitted to the control signal detection unit 103, and the content is decoded.

  In the above description, the case where the shooting prohibition mode, the shooting resolution limit mode, and the shot image disclosure destination limit mode are all included has been described. However, if any one mode is provided, the present invention can be realized. Needless to say.

(Second Embodiment)
Next, an outline of the second embodiment will be described. The present invention relates to a method for collecting a charge for using a photographed image photographed by a camera system. Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 6 shows a shooting mode control signal 350 with billing information in which billing information is added to the shooting mode control signal 300 transmitted from the shooting mode signal generator 200 described in the first embodiment. The shooting mode control signal 350 with charging information has, for example, a 128-bit capacity. The shooting mode control signal 300 according to the first embodiment includes a charging condition flag 304 and a charging information section, that is, a charge collector information section. 305 and a price information unit 306 are added. The shooting mode control signal 350 with charging information in the second embodiment is the same as the shooting mode control signal 300 in the first embodiment except for the added information. When the data of the shooting mode flag 301 is “11”, the shooting image charge mode is indicated. Detailed description of the same parts as those of the shooting mode control signal 300 in the first embodiment will be omitted.

  The charging condition flag 304 in FIG. 6 is 2-bit data, and is effective in the photographed image charging mode. The charging condition flag 304 is used to distinguish the charging conditions. When the data is 00, charging and data are used when using the digital print service. Is 01 when the WWW server is posted, and when the data is 10, it is charged when browsing.

  The charge collector information section 305 in FIG. 6 is 50-bit data, and is effective in the photographed image charging mode, and includes information on individuals and businesses for collecting charges and information on procedures for collecting charges. .

  The price information section 306 in FIG. 6 is 12-bit data, is effective in the captured image charging mode, and includes information on the fee for using the captured image.

  Next, a photographing process performed by the camera system 100 according to the second embodiment will be described. FIG. 7 is a flowchart showing the flow of shooting mode control processing performed by the camera system 100. In the second embodiment, a step (S07, S31, S32, S33) for performing a captured image charging mode process in the shooting mode control process performed in the camera system 100 is added to the first embodiment. Other processes are the same as those in the first embodiment (see FIG. 4). The description here will not be repeated for the same parts as the imaging process performed by the camera system 100 in the first embodiment.

  In step S07, it is determined that the captured image charge mode is 11 in which the data of the shooting mode flag 301 of the charge information-added shooting mode control signal 350 is 11. If the captured image charge mode is selected, steps S31, S32, The process of S33 is performed.

  In step S31, the encryption key information is extracted from the encryption key section 303 of the shooting mode control signal 350 with billing information.

  In step S32, the charging condition is extracted from the charging condition flag 304 of the photographing mode control signal 350 with the charging information, and the information of the individual and the business operator who collects the charge from the charge collector information unit 305 and the charge collection. Information on the procedure is extracted, and finally, information on the fee for using the photographed image is extracted from the price information unit 306.

  In step S33, the image data is encrypted using the encryption key extracted in step S31, and the charging conditions extracted in step S32, the information of the individuals and businesses that collect the charges, and the charges are collected. Information on the procedure and information on charges for using the photographed image are added to the header area of the photographed image and output.

  Next, third to fifth embodiments relating to a new system by the camera system 100 in which the shooting mode is controlled to the shooting image charging mode by the shooting mode control signal with charging information 350 will be described.

  The business operator installs the shooting mode signal generator 200 in a facility such as a theme park and transmits a shooting mode control signal 350 with billing information. When a visitor takes a picture using the camera system 100 in the theme park, billing information is attached to the photographed image through the flow of steps S07, S31, S32, and S33. Visitors are charged for using the above-mentioned photographed image, and the business can earn money for the use of the photographed image.

  The use form of the photographed image from which the income can be obtained is assumed to be charged when using the digital print service, posting on the WWW server, or browsing.

  FIG. 8 is a block diagram showing a schematic configuration of a digital printing apparatus 400 according to the third embodiment of the present invention. The digital printing apparatus 400 includes an interface of a storage device 450 in which captured images are recorded, a charging information extracting unit 401 that extracts charging information from the header portion of the captured image data, and a fee collector information by analyzing the extracted charging information. The charge information communication unit 402 makes an inquiry to the charge collector database through the public line 410 based on the above, and obtains the decryption key that combines the fee payment procedure and the secret key, and the charge information communication unit 402 The decryption unit 403 that decrypts the image data using the decryption key, the fee output unit 404 that outputs the amount paid by the billing information communication unit 402, and the image decrypted by the decryption unit 403 are printed. A printing apparatus 405 that outputs a print image 460. Here, the storage device 450 may be the same as the storage device 110 in the first embodiment, or may be another storage device that is a duplicate of the storage device.

  FIG. 9 is a block diagram showing a schematic functional configuration of the WWW server 500 according to the fourth embodiment of the present invention. The WWW server 500 transfers a photographed image with charging information and extracts the charging information, and analyzes the extracted charging information and makes an inquiry to the database of the charge collector through the public line based on the charge collector information. The charge information communication function 502 for performing the fee payment procedure and obtaining the decryption key, the decryption processing function 503 for decrypting the image data using the decryption key acquired by the charge information communication function 502, and the decryption processing function 503. And a public directory 504 for storing the image decrypted by, and a function for publishing the image file stored in the public directory 504 to the WWW service user via the public line 510.

  The public directory 504 provided in the WWW server 500 in FIG. 9 may be provided in the digital printing apparatus 400 in the third embodiment described with reference to FIG. In that case, the public directory 504 may store the image decoded by the decoding unit 403 in parallel with or independently of the printing apparatus 405. Further, the image stored in the public directory 504 can be made public through the public line 410 as in the fourth embodiment. In this case, the digital printing apparatus 400 can be an apparatus that combines the functions of the digital printing apparatus and the function as a WWW server.

  FIG. 10 is a flowchart showing the flow of processing from the transfer of the photographic image with billing information to the release to the WWW service by the WWW server 500. Step S51 for uploading a photographed image with billing information, Step S52 for extracting billing information from the uploaded photographed image, Step S53 for determining that the subject is billable from the extracted billing information, and Step S54 for making an inquiry to the charge collector server, step S55 for making a payment process based on the price information included in the extracted billing information, step S56 for obtaining the decryption key from the public line, and the obtained decryption It includes step S57 for decrypting the image using the key and step S58 for transferring the decrypted image to a public directory for disclosure to the WWW service user.

  FIG. 11 is a flowchart showing a flow of processing until an image is browsed when the accounting condition in the fifth embodiment of the present invention is when a captured image is browsed. Step S61 for extracting billing information from the photographed image, Step S62 for determining that the billing condition is the billing mode at the time of viewing the photographed image, Step S63 for inquiring the charge collector server if it is a billing target, and extraction Step S64 for performing fee payment processing based on the price information included in the billing information, Step S65 for obtaining a decryption key from the public line, Step S66 for decrypting an image using the obtained decryption key, and the decryption A step S67 of displaying the image file decrypted using the key is included.

  In the second embodiment, the business operator installs the photographing mode signal generator 200 in a facility such as a theme park, and the photographer uses the camera system 100 to photograph in the facility, so that the billing information is obtained. The photographer obtains a charge based on the price information for acquiring the attached photographed image, printing by the digital print service using the digital printing apparatus 400, posting on the WWW server 500, or browsing. You can earn income by paying against.

  It should be understood that the embodiment disclosed this time is illustrative in all respects and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  A camera system, a printing apparatus, a camera control method, a printing apparatus control method, and an image disclosure method according to the present invention are disclosed by switching a photographing mode in photographing with a camera system, thereby leaking confidential information, infringing copyright, In addition to solving problems such as infringement and privacy infringement, and adding information that restricts the use of captured images to captured images, disclosure of captured images to specific targets, charging for the use of captured images, etc. New means can be proposed. It can also be applied to new fee collection systems such as theme parks. From the above, it is useful as a camera system, a printing apparatus, a camera control method, a printing apparatus control method, an image disclosure method, and the like.

1 is a block diagram illustrating a schematic configuration of a camera system 100 according to a first embodiment of the present invention. It is a block diagram which shows schematic structure of the imaging | photography mode signal generator 200 in the 1st Embodiment of this invention. It is explanatory drawing which shows the positional relationship of the camera system 100, the imaging | photography mode signal generator 200, and the to-be-photographed object 120 in the case of controlling the imaging | photography mode in the 1st Embodiment of this invention. It is a flowchart which shows the flow of the imaging | photography mode control processing performed with the camera system 100 in the 1st Embodiment of this invention. It is explanatory drawing of a structure of the imaging | photography mode control signal transmitted from the imaging | photography mode signal generator 200 in the 1st Embodiment of this invention. It is explanatory drawing of a structure of the imaging | photography mode control signal with charging information transmitted from the imaging | photography mode signal generator 200 in the 1st Embodiment of this invention. It is a flowchart which shows the flow of the imaging | photography mode control process performed with the camera system 100 in the 2nd Embodiment of this invention. It is a block diagram which shows schematic structure of the digital printing apparatus 400 in the 3rd Embodiment of this invention. It is a block diagram which shows schematic structure of the WWW server 500 in the 4th Embodiment of this invention. It is a flowchart which shows the flow of a process from the transfer of the picked-up image with charging information by the WWW server 500 in the 4th Embodiment of this invention to the open | release to a WWW service. It is a flowchart which shows the flow of a process until it browses an image when the charge conditions in the 5th Embodiment of this invention are at the time of browsing a picked-up image.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Camera system 101 Image processing part 102 Camera part 103 Control signal detection part 200 Shooting mode signal generator 202 Control signal generation part 203 Transmission part 300 Shooting mode control signal 350 Shooting mode control signal 400 with billing information Digital printing apparatus 401 Billing information extraction Unit 402 billing information communication unit 403 decryption unit 404 charge output unit 405 printing device 410 public line 450 storage device 460 print image 500 WWW server 501 upload directory 502 billing information communication function 503 decryption processing function 504 public directory 510 public line

Claims (16)

A camera system that captures a subject and outputs an input image; and an image processing unit that performs image processing on the input image and outputs a captured image, wherein the captured image can be stored in a storage device,
A control signal detector that receives a shooting mode control signal that designates a shooting mode transmitted from the shooting mode signal generator and decodes the shooting mode;
The camera system according to claim 1, wherein the image processing unit processes the input image in accordance with a reception decoding result in the control signal detection unit.   The shooting mode control signal includes a shooting mode flag and an encryption key part, and when the shooting mode flag indicates a shot image disclosure destination limited mode in which shooting is permitted only when specific permission is received, the image processing unit The camera system according to claim 1, wherein the input image is encrypted using a secret key defined by the encryption key unit.   The shooting mode control signal includes a shooting mode flag and a resolution control flag. When the shooting mode flag indicates a shooting resolution limit mode for shooting an input image with a limited resolution, the image processing unit uses the resolution control flag. The camera system according to claim 1, wherein signal processing is performed so as to achieve a specified resolution.   The shooting mode control signal includes a shooting mode flag, and when the shooting mode flag is a shooting prohibition mode in which shooting can be performed only when shooting is permitted, shooting is not permitted. The camera system according to claim 1, wherein storage to a storage device is not performed. The shooting mode control signal further includes a charging condition flag and a charging information part,
When the photographing mode flag is a photographed image charging mode indicating that it is necessary to charge for photographing the photographed image stored in the storage device, the image processing unit uses a secret key defined by the encryption key unit. To encrypt the input image,
3. The camera according to claim 2, wherein when the charging condition flag indicates that the charging condition is valid, the charging information extracted from the charging information section is added to the captured image and stored in the storage device as captured image data. system.   The camera system according to claim 1, wherein the shooting mode control signal is supplied wirelessly. A printing apparatus having a printing apparatus for printing captured image data in the camera system according to claim 5,
A billing information extraction unit that extracts billing information from the captured image data;
Analyzing the extracted billing information, querying a predetermined database based on the analysis result, and according to the query result, a billing information communication unit for performing a fee payment procedure and obtaining a decryption key;
A decryption unit that decrypts the encrypted input image using the decryption key acquired by the billing information communication unit;
A printing apparatus that prints an image decoded by the decoding unit using the printing apparatus.   8. The printing apparatus according to claim 7, wherein the billing information communication unit makes the inquiry to the database through a public line.   9. The printing apparatus according to claim 7, wherein the photographed image data input to the billing information extraction unit is input through a public line.   10. The printing apparatus according to claim 8, further comprising a public directory that stores image data decrypted by the decryption unit, and the public directory is accessible through a public line.   3. The camera control method using the camera system according to claim 2, wherein the shooting mode flag for designating a shooting mode indicates a shooting image disclosure destination limited mode in which shooting is permitted only when specific permission is received. Camera control including: determining whether or not and encrypting an input image using a secret key defined by an encryption key unit when the shooting mode flag indicates the shooting image disclosure destination limited mode Method.   4. The camera control method using the camera system according to claim 3, wherein it is determined whether or not the shooting mode flag for designating a shooting mode indicates a shooting resolution limit mode for shooting an input image by limiting the resolution. And a step of performing signal processing to achieve a resolution specified by the resolution control flag when the shooting mode flag indicates the shooting resolution limit mode.  5. The camera control method using the camera system according to claim 4, wherein the shooting mode flag for designating a shooting mode is a shooting prohibition mode in which shooting can be performed only when shooting is permitted. A camera control method that includes the step of determining whether or not the shooting is in the shooting prohibition mode, and stops the processing without performing storage in the storage device. A camera control method using the camera system according to claim 5,
Determining whether or not the shooting mode flag for designating a shooting mode is a shooting image charging mode indicating that it is necessary to charge for shooting a shooting image stored in the storage device;
A step of encrypting the input image using a secret key defined in the encryption key part when in the photographed image charging mode;
A camera control method comprising a step of adding billing information extracted from a billing information section to a photographed image and storing it as photographed image data in the storage device when the billing condition flag indicates that the billing condition is valid. A printing apparatus control method using the printing apparatus according to claim 7,
A billing information extraction step for extracting billing information from the captured image data;
Analyzing the extracted billing information, making a query to a predetermined database based on the analysis result, and performing a fee payment procedure and obtaining a decryption key according to the query result;
And a decrypting step of decrypting the encrypted input image using the decryption key. An image disclosure method using the camera system according to claim 5,
A step of extracting billing information from the photographed image; a step of determining whether or not the billing condition is a billing mode; a step of inquiring a charge collector server when the billing target is a billing target; An image disclosing method including a step of paying a fee based on included price information, a step of obtaining a decryption key from a public line, and a step of decrypting an image using the obtained decryption key.

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