JP2013239903A - Communication apparatus, communication method, and computer program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the leak of image data.SOLUTION: A communication apparatus includes: an image data generation unit for performing imaging in accordance with the operation of a user and generating image data; an image data storage unit for storing image data generated by the image data generation unit; a radio communication unit for transmitting image data stored in the image data storage unit; and a deletion unit for deleting image data stored in the image data storage unit after the radio communication unit transmits image data.

Description

  The present invention relates to a technique for reducing leakage of image data.

Conventionally, when an incident such as a murder occurs, an inspector directly confirms the state of a corpse or the like based on an inspection request from a police officer who is a field responder. However, due to limitations due to the number of inspectors, it is difficult for inspectors to visit all sites and confirm directly. For example, according to recent statistics, the percentage of actual check-ups conducted by the examiner is only about 37% nationwide. In view of this, it has been proposed that an on-site person responds to such a problem by photographing a body with a camera or the like and transmitting it to a server (see Non-Patent Document 1). In this case, the examiner examines whether or not there is a case based on the photographed image data.
In addition, it is not always necessary to transmit an image, and there is a case where an on-site respondent takes back image data such as a body imaged on the site.

[Online], [Search April 13, 2012], Internet (URL: http://www.asahi.com/digital/av/OSK201202170057.html

  In recent years, it has become easy for individuals to disclose various data to a third party via a network. For this reason, if the on-site image data taken by the on-site personnel remains in the camera or the like, the image data may be leaked. Therefore, it is required to reduce such leakage of image data.

  In view of the above circumstances, an object of the present invention is to provide a technique for reducing leakage of image data.

  According to one aspect of the present invention, an image data generation unit that captures an image according to a user operation and generates an image, an image data storage unit that stores image data generated by the image data generation unit, and the image data A wireless communication unit that transmits image data stored in a storage unit, and a deletion unit that deletes the image data stored in the image data storage unit after the wireless communication unit transmits the image data; It is a communication apparatus provided with.

  One aspect of the present invention is the above-described communication device, in which the deletion unit, when the wireless communication unit does not transmit the image data, when the predetermined condition is satisfied, the image data storage unit The image data stored in is deleted.

  One aspect of the present invention is the communication apparatus, in which the predetermined condition is a time when the wireless communication unit starts the transmission processing of the image data or the number of times the transmission processing of the image data is performed. And

  One aspect of the present invention is an image data generation step of capturing an image in accordance with a user operation and generating an image, and an image data storage step in which an image data storage unit stores the image data generated by the image data generation step. A wireless communication step of transmitting the image data stored in the image data storage unit; and the image data stored in the image data storage unit after transmitting the image data in the wireless communication step. And a deletion step of deleting.

  One aspect of the present invention is an image data generation step of capturing an image in accordance with a user operation and generating an image, and an image data storage step in which an image data storage unit stores the image data generated by the image data generation step. A wireless communication step of transmitting the image data stored in the image data storage unit; and the image data stored in the image data storage unit after transmitting the image data in the wireless communication step. A computer program for causing a computer to execute a deletion step of deleting.

  According to the present invention, it is possible to reduce leakage of image data.

It is a figure which shows the system configuration | structure of the image information transmission system in this invention. 2 is a schematic block diagram illustrating a functional configuration of a wireless terminal 100. FIG. 6 is a flowchart showing a flow of initial setting processing of the wireless terminal 100. 4 is a flowchart showing the operation of the wireless terminal 100.

FIG. 1 is a diagram showing a system configuration of an image information transmission system according to the present invention. The image information transmission system of the present invention includes a wireless terminal 100, a network 20, a data collection device 30 and a personal computer 40.
The wireless terminal 100 is configured using a portable information processing device such as a smartphone, a mobile phone, a PDA (Personal Digital Assistant), a mobile game device, a tablet device, or a notebook personal computer. The wireless terminal 100 transmits image data captured by the user to the data collection device 30 via the network 20. The wireless terminal 100 deletes the image data taken by the user after transmission. Hereinafter, the process of deleting image data after transmission is referred to as “normal deletion”. In addition, when not transmitting image data, the wireless terminal 100 deletes image data when a predetermined condition is satisfied. Hereinafter, the process of deleting image data without transmitting is referred to as “forced deletion”.

The network 20 may be a network configured in any way. For example, the network 20 may be composed of a mobile carrier IP network and a fixed carrier IP network.
The data collection device 30 is configured using an information processing device such as a server device or a personal computer. The data collection device 30 may be, for example, a data terminal in a prefectural police headquarters office. The data collection device 30 receives image data from the wireless terminal 100 via the network 20 and stores the received image data.
The personal computer 40 is configured using an information processing apparatus. The personal computer 40 is used by the user when the user browses image data stored by the data collection device 30.

  FIG. 2 is a schematic block diagram illustrating a functional configuration of the wireless terminal 100. The wireless terminal 100 includes a CPU (Central Processing Unit), a memory, an auxiliary storage device, and the like connected by a bus, and executes a control program. By executing the control program, the wireless terminal 100 has an input unit 101, an image data generation unit 102, an image data storage unit 103, a deletion number storage unit 104, a wireless communication unit 105, a determination unit 106, a numerical value addition unit 107, and a measurement number storage. It functions as an apparatus including a unit 108, a size determination unit 109, a deletion unit 110, and an initial setting unit 111. Note that all or some of the functions of the wireless terminal 100 may be realized using hardware such as an application specific integrated circuit (ASIC), a programmable logic device (PLD), and a field programmable gate array (FPGA). The control program may be recorded on a computer-readable recording medium. The computer-readable recording medium is, for example, a portable medium such as a flexible disk, a magneto-optical disk, a ROM, a CD-ROM, or a storage device such as a hard disk built in the computer system. Further, the control program may be transmitted / received via a telecommunication line.

  The input unit 101 is configured using an existing input device such as a keyboard, a pointing device (such as a mouse or a tablet), a button, or a touch panel. The input unit 101 is operated by the user when inputting a user instruction to the wireless terminal 100. The input unit 101 may be an interface for connecting the input device to the wireless terminal 100. In this case, the input unit 101 inputs an input signal generated in response to a user input in the input device to the wireless terminal 100.

The image data generation unit 102 performs shooting to generate image data. More specifically, the image data generation unit 102 is configured as follows. The image data generation unit 102 includes a lens and an image sensor, and generates image data based on light incident on the image sensor. For example, when the user operates the input unit 101 to input a shooting instruction to the wireless terminal 100, the image data generation unit 102 generates image data according to the shooting instruction. The image data generation unit 102 records the generated image data in the image data storage unit 103.
The image data storage unit 103 is configured using a storage device such as a magnetic hard disk device or a semiconductor storage device. The image data storage unit 103 stores the image data generated by the image data generation unit 102.

  The deletion count storage unit 104 is configured using a storage device such as a magnetic hard disk device or a semiconductor storage device. The deletion count storage unit 104 stores the number of deletions. The number of deletions is set by the user. The number of deletions is the number of transmission processes that are repeatedly executed until image data is forcibly deleted when the image data cannot be transmitted. If the image data cannot be transmitted even after performing the same number of transmission processes as the value set as the number of deletions, the deletion unit 110 forcibly deletes the image data.

The wireless communication unit 105 is connected to the network 20 via a base station of a mobile phone network, and communicates with other devices. For example, the wireless communication unit 105 transmits the image data recorded in the image data storage unit 103 to the data collection device 30 via the network 20.
Based on the radio wave received by the wireless communication unit 105, the determination unit 106 determines whether or not the wireless terminal 100 is located in the communicable area. The communicable area refers to an area where the wireless communication unit 105 can connect to the network 20. For example, an area where the wireless communication unit 105 can communicate with a base station of a mobile phone network is a communicable area.

The numerical value addition unit 107 performs numerical value addition processing. When the determination unit 106 determines that the wireless terminal 100 is outside the communicable area, the numerical value addition unit 107 adds “1” to the number of measurements in the measurement number storage unit 108. The number of times of measurement is the number of times that the wireless communication unit 105 has performed image data transmission processing.
The measurement count storage unit 108 is configured using a storage device such as a magnetic hard disk device or a semiconductor storage device. The measurement number storage unit 108 stores the number of measurements. The number of measurements stored in the number-of-measurements storage unit 108 is added by the numerical value addition unit 107.

The size determination unit 109 compares the number of deletions recorded in the deletion number storage unit 104 with the number of measurements recorded in the measurement number storage unit 108 to determine which value is larger.
The deletion unit 110 deletes image data recorded in the image data storage unit 103.
The initial setting unit 111 performs initial setting processing.

  FIG. 3 is a flowchart showing the flow of the initial setting process of the wireless terminal 100. The user operates the input unit 101 to turn on the wireless terminal 100 (step S101). When the wireless terminal 100 is turned on, the wireless terminal 100 starts up the OS (step S102). Next, the wireless terminal 100 activates an application (for example, a camera application) specified in advance for the OS (step S103). By starting this application, the image data generation unit 102, the determination unit 106, the numerical value addition unit 107, the size determination unit 109, the deletion unit 110, and the initial setting unit 111 are started. If image data remains in the image data storage unit 103, the deletion unit 110 deletes the image data (step S104).

  Thereafter, the initial setting unit 111 requests a PIN code from the user (step S105). The user operates the input unit 101 to input a PIN code (step S106). The initial setting unit 111 confirms the PIN code input to the input unit 101 by the user. If the initial setting unit 111 determines that the PIN code is correct (YES in step S106), the initial setting unit 111 requests the user to input a pattern for releasing the screen lock. The user operates the input unit 101 to input a pattern (step S108). If the initial setting unit 111 determines that the pattern input by the user is correct (step S108—YES), the initial setting unit 111 requests the user to input an authentication information storage password. The user operates the input unit 101 to input the authentication information storage password (step S110). If the initial setting unit 111 determines that the authentication information storage password input by the user is correct (step S110-YES), the initial setting unit 111 determines that the initialization process has been completed (step S113).

On the other hand, if the initial setting unit 111 determines that the input PIN code is not correct (step S106: NO), the initial setting unit 111 locks the SIM card (step S107) and waits until the user resets the wireless terminal 100 again. (Step S112).
If the initial setting unit 111 determines that a wrong pattern has been input a certain number of times (step S108—NO), the initial setting unit 111 initializes the wireless terminal 100 (step S109), and waits until the user resets the wireless terminal 100 again. (Step S112).

If the initial setting unit 111 determines that the input authentication information storage password is not correct (step S110—NO), the initial setting unit 111 performs a process for deleting the encrypted information (step S111), and the user resets the wireless terminal 100 again. Wait until it is received (step S112).
After the process of step S113, the initial setting unit 111 confirms the authentication key (step S114). If the initial setting unit 111 determines that the authentication key is correct (step S114: YES), the initial setting unit 111 checks information on the registered SIM card (step S115). If the initial setting unit 111 determines that the registered SIM card information is correct (step S115: YES), the initial setting unit 111 requests a VPN (Virtual Private Network) password from the user. The user operates the input unit 101 to input the VPN password (step S116). If the initial setting unit 111 determines that the VPN password input by the user is correct (YES in step S116), the initial setting unit 111 connects the VPN to the data collection device 30 via the wireless communication unit 105, and preparation for use is completed. It is determined that it has been done (step S118).

  On the other hand, if the initial setting unit 111 determines that the authentication key is not correct (step S114—NO), the initial setting unit 111 ends the designated application (the application started in step S103), and returns to the initialization process completed state. If the initial setting unit 111 determines that the registered SIM card information is not correct (NO in step S115), the initial setting unit 111 ends the designated application and returns to the initialization process completed state. If the initial setting unit 111 determines that the entered VPN password is not correct (NO in step S116), the initial setting unit 111 sets the wireless communication unit 105 in a state in which wireless communication is not possible, thereby setting its own device (wireless terminal 100) out of the communication area. (Step S117), it is determined that the preparation for use has been completed (step S118).

FIG. 4 is a flowchart showing the operation of the wireless terminal 100. By executing the initial setting process shown in FIG. 3, the wireless terminal 100 becomes ready for photographing (step S200).
When the user operates the input unit 101 to input a shooting instruction, the image data generation unit 102 generates image data based on the light that has passed through the lens and reached the imaging element (step S201). The image data storage unit 103 stores the image data generated by the image data generation unit 102 (step S202).
Next, the user sets the number of deletions by operating the input unit 101 (step S203). The deletion count storage unit 104 records a value (deletion count) input and set by the user.

  Next, based on the radio wave received by the wireless communication unit 105, the determination unit 106 determines whether or not the wireless terminal 100 is located in the communicable area (step S204). If the position of the wireless terminal 100 is within the communicable area (step S204—YES), the wireless communication unit 105 transmits the image data recorded in the image data storage unit 103 to the data collection device 30 (step S205). When the transmission process by the wireless communication unit 105 is completed, the deletion unit 110 normally deletes the image data recorded in the image data storage unit 103 (step S208).

On the other hand, when the determination unit 106 determines that the position of the wireless terminal 100 is outside the communicable area (step S204—NO), the numerical value addition unit 107 sets “1” to the number of measurements recorded in the measurement number storage unit 108. "Is added (step S206). Next, the size determination unit 109 compares the measurement count recorded in the measurement count storage unit 108 with the deletion count recorded in the deletion count storage unit 104 (step S207). If the number of measurements is less than the number of deletions (step S207—NO), the process returns to step S204, and the wireless communication unit 105 performs the data transmission process again.
On the other hand, when the number of measurements is equal to or greater than the number of deletions (step S207—YES), the deletion unit 110 forcibly deletes the image data from the image data storage unit 103 (step S209).
When the deletion of the image data recorded in the image data storage unit 103 is completed, the wireless terminal 100 becomes usable again (step S210).

According to the wireless terminal 100 configured as described above, the wireless terminal 100 requires a lot of authentication until it becomes usable after being activated. Therefore, it becomes possible to prevent the operation of the wireless terminal 100 by a third party, and it is possible to improve security.
When the user takes an image, the taken image data is transmitted to the data collection device 30 and then automatically deleted. Therefore, image data does not remain in the wireless terminal 100 main body, and leakage of image data can be reduced.
Even if the image data cannot be transmitted due to being located outside the area, it is forcibly deleted if a predetermined condition is satisfied. Therefore, no image data remains in the main body of the wireless terminal 100, and leakage of image data can be reduced.

<Modification>
A deletion time may be used instead of the number of deletions. The deletion time is a time until image data is forcibly deleted when the image data cannot be transmitted. When the deletion time is used, the operation of the wireless terminal 100 is as follows. The deletion count storage unit 104 stores the deletion time set by the user. The size determination unit 109 measures the time (elapsed time) from the execution of shooting to the current time, and determines whether or not the elapsed time exceeds the deletion time. The deletion unit 110 forcibly deletes the image data when the elapsed time exceeds the deletion time.

  The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and includes designs and the like that do not depart from the gist of the present invention.

  DESCRIPTION OF SYMBOLS 100 ... Wireless terminal, 101 ... Input part, 102 ... Image data generation part, 103 ... Image data storage part, 104 ... Deletion count storage part, 105 ... Wireless communication part, 106 ... Judgment part, 107 ... Numerical value addition part, 108 ... Measurement count storage unit 109 109 Size determination unit 110 Deletion unit 111 Initial setting unit 20 Network 30 Data collection device 40 Personal computer

Claims (5)

An image data generation unit that performs shooting according to a user operation and generates image data;
An image data storage unit for storing the image data generated by the image data generation unit;
A wireless communication unit for transmitting image data stored in the image data storage unit;
A deletion unit that deletes the image data stored in the image data storage unit after the wireless communication unit transmits the image data;
A communication device comprising:   The deletion unit, when the wireless communication unit does not transmit the image data, deletes the image data stored in the image data storage unit when a predetermined condition is satisfied. The communication device described.   The communication apparatus according to claim 2, wherein the predetermined condition is a time when the wireless communication unit starts the transmission process of the image data or the number of times the transmission process of the image data is performed. An image data generation step of capturing an image in accordance with a user operation and generating an image;
An image data storage step in which the image data storage unit stores the image data generated by the image data generation step;
A wireless communication step of transmitting the image data stored in the image data storage unit;
A deletion step of deleting the image data stored in the image data storage unit after transmitting the image data in the wireless communication step;
A communication method comprising: An image data generation step of capturing an image in accordance with a user operation and generating an image;
An image data storage step in which the image data storage unit stores the image data generated by the image data generation step;
A wireless communication step of transmitting the image data stored in the image data storage unit;
A deletion step of deleting the image data stored in the image data storage unit after transmitting the image data in the wireless communication step;
A computer program for causing a computer to execute.

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