JP6544788B2 - Mobile terminal, watching system, control method of mobile terminal, watching method and program - Google Patents

Description

The present invention, mobile terminals, Protection System, method of controlling a mobile terminal, a watch method, and a program.

There is a portable terminal having a GPS (Global Positioning System) function. By having a child such as a kindergarten child or a primary school child possess a portable terminal having a GPS function, the parent can know by displaying the current position of the child on a communication device such as a personal computer.
According to Patent Document 1, as a related technology, a child is identified based on features such as a school bag, a hat, and a nickname of a child to be managed from images of the child taken at a predetermined position, and the child's behavior is detected. The technology to notify you is described.

JP 2007-157005 A

  By the way, when parents are notified that they have children in place, they can not be convinced that they are really their own children simply by identifying them with the school bags, hats, and nicknames that indicate the characteristics of the children, and they feel uneasy. There is a possibility to hold.

Therefore, this invention aims portable terminal that can in order to solve the above-described problems, Protection System, method of controlling a mobile terminal, to provide a watch method, and a program.

In order to achieve the above object, the present invention provides a wireless tag identifier determination unit that determines whether a wireless tag identifier included in a received radio wave is a wireless tag identifier of a wireless tag to be managed; the radio wave strength measurement unit for measuring a radio wave intensity, the portable terminal in the strong direction of the radio wave intensity and direction vignetting, the wireless tag identifier included in the radio wave is a radio tag identifier of the wireless tag to the managed wireless A face image acquisition unit for acquiring continuously captured images including a face of a watching target person carrying the wireless tag to be managed, the camera being continuously shot when the tag identifier determination unit makes a decision; a face image transmitting unit that transmits the image captured continuously including the face of the watching target person image acquisition section has acquired a communication device that is associated with the wireless tag identifier of the wireless tag with the management target, the It is obtain a mobile terminal.

Further, the present invention is a watching system including a management device, one or more wireless tags, and one or more mobile terminals, wherein the management device is a wireless tag of a wireless tag to be managed. A wireless tag identifier transmission unit for transmitting an identifier to the portable terminal; each of the wireless tags includes a radio wave transmission unit for transmitting a radio wave including the respective wireless tag identifier; A wireless tag identifier determination unit that determines whether a wireless tag identifier included in the radio wave received from the radio wave transmission unit is a wireless tag identifier of a wireless tag to be managed received from the wireless tag identifier transmission unit; a radio field intensity measurement unit that measures a field intensity of the radio wave, the portable terminal in the strong direction of the radio wave intensity is directed vignetting, the wireless tag identifier included in the radio wave and the managed That said that the wireless tag identifier of the RFID wireless tag identifier determination unit is taken continuously if it is determined, are taken continuously including the watching target's face carrying the wireless tag with the management target A face image acquisition unit for acquiring a captured image, and a continuously captured image including the face of the watching target acquired by the face image acquisition unit is associated with a wireless tag identifier of the wireless tag for the management target And a face image transmission unit that transmits the communication apparatus to the communication apparatus.

Further, the present invention determines whether the wireless tag identifier included in the received radio wave is the wireless tag identifier of the wireless tag to be managed, measures the radio wave strength of the radio wave, and measures the direction in which the radio wave strength is strong. the mobile terminal toward vignetting, the wireless tag identifier is taken continuously if it is determined that the wireless tag identifier of the wireless tag with the management target included in the radio waves, carrying the wireless tag with the management target watch acquires the images continuously photographed including a face of a subject, associated images taken consecutively including the face of the acquired watching target person in the wireless tag identifier of the wireless tag with the management target to Is a control method of a portable terminal which transmits to the selected communication device.

Further, the present invention transmits the wireless tag identifier of the wireless tag to be managed to the portable terminal, transmits a radio wave including the respective wireless tag identifier, and receives the wireless tag identifier included in the received radio wave. it is determined whether the wireless tag identifier of the wireless tag to be managed, the field intensity of the radio wave is measured, the radio tag the mobile terminal in the strong direction of the radio wave strength is included toward vignetting, the radio When the identifier is determined to be the wireless tag identifier of the wireless tag to be managed, the images are continuously captured, and the continuously captured image including the face of the watching target who possesses the wireless tag to be managed in acquires, transmits the image taken continuously including the face of the acquired watching target person to a communication device that is associated with the wireless tag identifier of the wireless tag with the management target, the watching method That.

Further, according to the present invention, a wireless tag identifier determination unit determines whether the computer is a wireless tag identifier of a wireless tag to be managed and a wireless tag identifier included in the received radio wave, and measures the radio wave intensity of the radio wave. radio wave intensity measuring means for the strong direction to the mobile terminal of the field intensity is directed vignetting, the wireless tag is an identifier to the wireless tag identifier determination means of the wireless tag radio tag identifier to the management object included in the radio A face image acquisition unit for acquiring images continuously taken including a face of a watching target who holds the wireless tag to be managed, acquired continuously when the determination is made, and acquired by the face image acquisition unit face image transmitting means for transmitting the images continuously photographed including a face of the watching target person to a communication device that is associated with the wireless tag identifier of the wireless tag with the management target, and Is a program to function Te.

  According to the present invention, a parent can confirm the presence of a child by an image including the face of his / her child, and can collect the image as a commemorative image such as a child's growth record.

It is a figure which shows an example of the minimum structure of the portable terminal of this invention. It is a figure explaining an outline of a watching system by a first embodiment of the present invention. It is a figure which shows the structure of the wireless tag by 1st embodiment of this invention. It is a figure which shows the structure of the portable terminal by 1st embodiment of this invention. It is a figure which shows the structure of the management apparatus by 1st embodiment of this invention. It is a figure which shows the data table which the memory | storage part by 1st embodiment of this invention memorize | stores. It is a figure which shows the processing flow of the watching system by 1st embodiment of this invention. It is a figure which shows the data table which the memory | storage part by 2nd embodiment of this invention memorize | stores. It is a figure which shows the processing flow of the surveillance system by 2nd embodiment of this invention.

Hereinafter, embodiments will be described in detail with reference to the drawings.
The portable terminal 20 of the present invention includes at least a wireless tag identifier determination unit 202, a face image acquisition unit 203, and a face image transmission unit 204, as shown in FIG.
The wireless tag identifier determination unit 202 determines whether the wireless tag identifier included in the received radio wave is the wireless tag identifier of the wireless tag to be managed.
The face image acquisition unit 203 acquires an image including the face of the watching target when the wireless tag identifier determination unit 202 determines that the wireless tag identifier included in the radio wave is the wireless tag identifier of the wireless tag to be managed. Do.
The face image transmission unit 204 transmits the image including the face of the watching target acquired by the face image acquisition unit 203 to the communication device associated with the wireless tag identifier of the wireless tag to be managed.

First Embodiment
As shown in FIG. 2, the watching system 1 according to the first embodiment communicates with the wireless tags 10a, 10b, 10c, ..., the portable terminals 20a, 20b, 20c, ..., the management device 30, and the communication And an apparatus 40. Note that the wireless tags 10a, 10b, 10c,... Are collectively referred to as a wireless tag 10. Also, the portable terminals 20a, 20b, 20c,...
The management device 30 transmits the wireless tag identifier of the wireless tag to be managed to the portable terminal 20.
Each of the wireless tags 10 transmits a radio wave including the respective wireless tag identifier. For example, each of the wireless tags 10 has a BLE (Bluetooth (registered trademark) Low Energy) function, and transmits a radio wave of short distance communication including a Universally Unique Identifier (UUID) emitted by a beacon function by the BLE function. Do.
Each of the portable terminals 20 receives a radio wave including a wireless tag identifier when the wireless tag 10 enters a communication range with the portable terminal 20. Each of the mobile terminals 20 determines whether the wireless tag identifier included in the received radio wave is the wireless tag identifier of the wireless tag to be managed. When it is determined that the wireless tag identifier included in the received radio wave is the wireless tag identifier of the wireless tag 10 to be managed, each of the mobile terminals 20 acquires an image including the face of the watching target. Each of the portable terminals 20 transmits an image including the acquired face of the watching target to the communication device 40 associated with the wireless tag identifier of the wireless tag to be managed.
The portable terminal 20 is, for example, a smartphone capable of receiving radio waves of short distance communication including a UUID emitted by a beacon function by the function of BLE.
The management device 30 records, in the storage unit, the communication devices 40 that each of the mobile terminals 20 transmits an image including the face of the watching target person.
The wireless tag 10 may be one or more. Also, the number of portable terminals 20 may be one or plural.

Next, each functional unit of the wireless tag 10 provided in the watching system 1 according to the first embodiment will be described.
As shown in FIG. 3, each of the wireless tags 10 according to the first embodiment includes a communication unit 101, a radio wave transmission unit 102, and a storage unit 103.
The communication unit 101 transmits radio waves.
The radio wave transmission unit 102 transmits a radio wave including a radio tag identifier capable of identifying each radio tag 10 through the communication unit 101. For example, the radio wave transmission unit 102 transmits a radio wave of short distance communication including the UUID emitted by the beacon function by the function of BLE via the communication unit 101.
The storage unit 103 stores various data necessary for the process performed by the wireless tag 10.

Next, each functional unit of the portable terminal 20 provided in the watching system 1 according to the first embodiment will be described.
As shown in FIG. 4, each of the mobile terminals 20 according to the first embodiment includes a communication unit 201, a wireless tag identifier determination unit 202, a face image acquisition unit 203, a face image transmission unit 204, and a storage unit 205. And.
Note that FIG. 4 also illustrates an example of a face image identification unit 206, a notification unit 207, and a radio wave intensity measurement unit 208, which will be described later.

The communication unit 201 receives a radio wave. Also, the communication unit 201 transmits a radio wave.
The wireless tag identifier determination unit 202 determines whether the wireless tag identifier included in the radio wave received via the communication unit 201 is the wireless tag identifier of the wireless tag 10 to be managed.

If the wireless tag identifier determination unit 202 determines that the wireless tag identifier included in the radio wave received by the communication unit 201 is the wireless tag identifier of the wireless tag 10 to be managed, the face image acquisition unit 203 is a watching target person Get an image that contains the face of
The face image acquisition unit 203 also includes the face of the person being watched over when the wireless tag identifier determination unit 202 determines that the wireless tag identifier included in the radio wave is the wireless tag identifier of the wireless tag 10 to be managed. Start and capture images.

The face image transmission unit 204 transmits the image including the face of the watching target acquired by the face image acquisition unit 203 to the communication device 40 associated with the wireless tag identifier of the wireless tag 10 to be managed via the communication unit 201. Send.
The face image transmitting unit 204 transmits an image including the face of the watching target to the communication device 40, and then communicates an image including the face of the watching target via the communication unit 201 only when a predetermined time has elapsed. It may be sent to the device 40.
The storage unit 205 stores various data necessary for the process performed by the mobile terminal 20.

Next, each functional unit of the management device 30 provided in the watching system 1 according to the first embodiment will be described.
As shown in FIG. 5, each of the management devices 30 according to the first embodiment includes a communication unit 301, a wireless tag identifier transmission unit 302, a transmission destination management unit 303, and a storage unit 304.

The communication unit 301 receives a radio wave. Also, the communication unit 301 transmits a radio wave.
The wireless tag identifier transmission unit 302 transmits the wireless tag identifier of the wireless tag 10 to be managed to the portable terminal 20 via the communication unit 301.
The transmission destination management unit 303 records, in the storage unit 304, the communication device 40 to which the face image transmission unit 204 has transmitted an image including the face of the watching target.
The storage unit 304 stores various data necessary for the process performed by the management device 30. For example, the storage unit 304 stores the wireless tag identifier of the wireless tag 10 to be managed. Also, for example, the storage unit 304 stores the communication device 40 which is the transmission destination to which the face image transmission unit 204 has transmitted an image including the face of the watching target.

Next, the data table 1 stored in the storage unit 304 according to the first embodiment will be described.
The storage unit 304 stores a data table TBL1 including a wireless tag identifier corresponding to the wireless tag number of the wireless tag 10 as shown in FIG. In addition, the storage unit 304 is associated with each wireless tag identifier of the wireless tag 10, and the address of the communication device 40 as a transmission destination to which an image including the face of the watching target person carrying the wireless tag 10 is transmitted. , A flag indicating whether the image is a management object (1 is a management object, 0 is not a management object) and a flag indicating whether an image has been transmitted to the communication device 40 (1 has been transmitted, 0 has not been transmitted) And the transmission time of the image are stored. In the case of the data table TBL1 shown in FIG. 6, the wireless tags 10 to be managed are the wireless tag A possessed by the kindergarten A and the wireless tag A possessed by the kindergarten B.

Next, a process flow of the watching system 1 according to the first embodiment will be described.
In this case, the kindergarten teacher installs the portable terminal 20 on the height of the level of the eyes of a kindergarten child placed at the center of the classroom. After each kindergarten child carrying the wireless tag 10 plays outside, it returns to the classroom. When the kindergarten child who has returned to the classroom approaches the mobile terminal 20 and enters the communication range, the mobile terminal 20 receives radio waves from the wireless tag 10 possessed by the kindergarten child and acquires an image including the face of the kindergarten child. The portable terminal 20 transmits the acquired image to the communication device 40 possessed by the parent of the kindergarten child. The processing flow of the watching system 1 as shown in FIG. 7 will be described by taking such a case as an example.

A dedicated application of the watching system 1 is installed in the mobile terminal 20. The dedicated application includes, in advance, the wireless tag 10 owned by kindergarten children of all classes, the wireless tag identifier of the wireless tag 10, the name of the kindergarten child, the address of the communication device 40 owned by the parent of the kindergarten child, and management A flag indicating whether the image is an object, a flag indicating whether an image has been transmitted to the communication device 40, and an image transmission time are registered in association with each other. In such a situation, the kindergarten teacher selects a kindergarten child from the list of kindergarten children shown on the display screen of the portable terminal 20 by a dedicated application, in order to manage only kindergarten children of the class in which he or she is in charge. Do the operation to register. Then, the portable terminal 20 transmits identification information indicating the kindergarten child selected by the kindergarten teacher to the management device 30 via the communication unit 201 by the dedicated application. Based on the identification information of the kindergarten child received from the portable terminal 20, the wireless tag identifier transmission unit 302 included in the management device 30 sets a flag indicating that it is a management target in the data table TBL1 stored in the storage unit 304. At the same time, the wireless tag identifier to be managed, the address of the communication device 40 associated with the wireless tag identifier to be managed, and the image transmission time are read from the storage unit 304. The wireless tag identifier transmission unit 302 transmits registration information including the wireless tag identifier to be managed read from the storage unit 304, the address of the communication apparatus 40 to be managed, and the transmission time of the image to the portable terminal 20. (Step S1). The portable terminal 20 sets the wireless tag 10 to be managed using the dedicated application based on the registration information received from the management device 30 (step S2). For example, the portable terminal 20 registers a kindergarten A who holds the wireless tag A whose flag indicating the management target shown in FIG. 6 is 1 and a kindergarten B who holds the wireless tag B.
The kindergarten teacher installs the portable terminal 20 on the height of the kindergarten's eye level, which is located at the center of the classroom.

  A kindergarten child carrying the wireless tag 10 is playing outside the classroom. At this time, the radio wave transmission unit 102 included in the wireless tag 10 transmits a radio wave including a wireless tag identifier capable of identifying each wireless tag 10 via the communication unit 101 (step S3). For example, the radio wave transmission unit 102 transmits a radio wave of short distance communication including the UUID emitted by the beacon function by the function of BLE via the communication unit 101.

  Under such circumstances, the kindergarten teacher guides kindergarten children to enter the classroom. Preschool children move into the classroom and move into the classroom. A kindergartener who holds the wireless tag 10 to be managed approaches the portable terminal 20. Then, when the kindergarten child approaches the portable terminal 20 to a certain distance, the wireless tag identifier determination unit 202 included in the portable terminal 20 receives the radio wave emitted by the wireless tag 10 possessed by the kindergarten child via the communication unit 201 ( Step S4).

  Then, the wireless tag identifier determination unit 202 determines whether the wireless tag identifier included in the radio wave received via the communication unit 201 is the wireless tag identifier of the wireless tag 10 to be managed (step S5). For example, when the wireless tag identifier determination unit 202 sets the wireless tag A and the wireless tag B as management targets, the wireless tag identifier included in the radio wave received through the communication unit 201 is the wireless tag identifier A or the wireless tag identifier B It is determined whether the

  If the wireless tag identifier determination unit 202 determines that the wireless tag identifier included in the radio wave received via the communication unit 201 is not the wireless tag identifier of the wireless tag 10 to be managed (NO in step S5), the process proceeds to step S4. Return to the processing of

When the wireless tag identifier determination unit 202 determines that the wireless tag identifier included in the radio wave received through the communication unit 201 is the wireless tag identifier of the wireless tag 10 to be managed (YES in step S5), The face image acquisition unit 203 starts capturing an image including the face of the watching target (step S6). Then, the face image acquisition unit 203 determines whether to detect a face in the captured image (step S7).
If the face image acquisition unit 203 determines that a face is not detected in the captured image (NO in step S7), the process returns to step S5.
Further, when it is determined that the face is detected in the captured image (YES in step S7), the face image acquisition unit 203 acquires an image including the face (step S8). Specifically, in the face image acquisition unit 203, each of the cameras provided on both the front and back sides of the portable terminal 20 starts shooting, and detects a face in the image. Then, the face image acquisition unit 203 acquires an image including the detected face.

The face image transmission unit 204 associates the image including the face of the watching target acquired by the face image acquisition unit 203 with the wireless tag identifier of the wireless tag 10 to be managed via the communication unit 201 based on the setting information. It is transmitted to the communication device 40 (step S9). For example, when the wireless tag identifier included in the radio wave is the wireless tag identifier A, the face image transmission unit 204 associates the image including the face acquired by the face image acquisition unit 203 with the wireless tag identifier A. To the communication apparatus 40 having the address A of
The face image transmitting unit 204 transmits an image including the face of the watching target to the communication device 40, and then communicates an image including the face of the watching target via the communication unit 201 only when a predetermined time has elapsed. It may be sent to the device 40. The face image transmission unit 204 transmits the image including the face of the watching target to the communication device 40, and then, when the predetermined time has elapsed, the communication unit 201 displays the image including the face of the watching target when the predetermined time has elapsed. It transmits to the communication apparatus 40 via.

  In addition, when the face image transmission unit 204 transmits an image including a face to the address of the communication device 40 included in the setting information, an image transmitted signal indicating that the image including the face is transmitted to the address of the communication device 40 The image including the face is transmitted to the management apparatus 30 via the communication unit 201 (step S10).

The communication device 40 receives an image including a face from the portable terminal 20 and displays the image (step S11).
The transmission destination management unit 303 included in the management device 30 records, in the storage unit 304, the communication device 40 to which the face image transmission unit 204 has transmitted the image including the face of the watching target and the image including the face (step S12). . Specifically, when the transmission destination management unit 303 receives an image transmission completion signal and an image including a face from the portable terminal 20, the transmission destination management unit 303 includes the time when the image transmission completion signal is received (date, month, day, hour, minute and second) and the face. An image transmitted flag 1 indicating that the image has been transmitted is recorded in the storage unit 304. Further, the transmission destination management unit 303 associates the image including the face with the corresponding wireless tag identifier and records the image in the storage unit 304.

The process performed by the watching system 1 according to the first embodiment of the present invention has been described above. In the watching system 1 described above, the wireless tag identifier determination unit 202 determines whether the wireless tag identifier included in the radio wave received through the communication unit 201 is the wireless tag identifier of the wireless tag 10 to be managed. . When the wireless tag identifier determination unit 202 determines that the wireless tag identifier included in the radio wave received via the communication unit 201 is the wireless tag identifier of the wireless tag 10 to be managed, the face image acquisition unit 203 monitors Start and acquire an image that includes the subject's face. The face image acquisition unit 203 acquires an image including the detected face. The face image transmission unit 204 associates the image including the face of the watching target acquired by the face image acquisition unit 203 with the wireless tag identifier of the wireless tag 10 to be managed via the communication unit 201 based on the setting information. It transmits to the communication apparatus 40 which was carried out. In addition, when the face image transmission unit 204 transmits an image including a face to the address of the communication device 40 included in the setting information, an image transmitted signal indicating that the image including the face is transmitted to the address of the communication device 40 It transmits to the management apparatus 30 via the communication unit 201. The communication device 40 receives an image including a face from the portable terminal 20 and displays the image. The transmission destination management unit 303 included in the management device 30 records, in the storage unit 304, the communication device 40 in which the face image transmission unit 204 has transmitted an image including the face of the watching target.
In this way, the parent can confirm the presence of the child with an image including the face of his / her child, and the image can be collected as a commemorative image such as a child's growth record. Parents can see and check the face of their children, which increases their level of security. In addition, parents can collect children's images even when they are acting apart from themselves, increasing the sense of satisfaction in acquiring images of children that are different from normal.

Second Embodiment
The surveillance system 1a according to the second embodiment includes the wireless tag 10 (10a, 10b, 10c,...) And the portable terminal 20 (20a) as in the surveillance system 1 according to the first embodiment shown in FIG. , 20b, 20c, ...), the management device 30, and the communication device 40.
However, in the second embodiment, the wireless tag identifier transmission unit 302 transmits the face image of the watching target person associated with the wireless tag 10 to be managed to the portable terminal 20.
The face image acquisition unit 203 acquires an image including the face of the face image of the watching target received from the wireless tag identifier transmission unit 302.
In addition to the data in the data table TBL1 stored in the storage unit 304 according to the first embodiment, the storage unit 304 stores face images of each kindergarten child as shown in FIG.

Next, a processing flow of the watching system 1a according to the second embodiment will be described.
In this case, the kindergarten teacher installs the portable terminal 20 on the height of the level of the eyes of a kindergarten child placed at the center of the classroom. After each kindergarten child carrying the wireless tag 10 plays outside, it returns to the classroom. When the kindergarten child who has returned to the classroom approaches the mobile terminal 20 and enters the communication range, the mobile terminal 20 receives radio waves from the wireless tag 10 possessed by the kindergarten child and acquires an image including the face of the kindergarten child. The portable terminal 20 transmits the acquired image to the communication device 40 possessed by the parent of the kindergarten child. The processing flow of the watching system 1a as shown in FIG. 9 will be described by taking such a case as an example.

A dedicated application of the watching system 1 is installed on the mobile terminal 20. The dedicated application includes, in advance, the wireless tag 10 owned by kindergarten children of all classes, the wireless tag identifier of the wireless tag 10, the name of the kindergarten child, the address of the communication device 40 owned by the parent of the kindergarten child, and management A flag indicating whether the image is an object, a flag indicating whether an image has been transmitted to the communication device 40, and an image transmission time are registered in association with each other. In such a situation, the kindergarten teacher selects a kindergarten child from the list of kindergarten children shown on the display screen of the portable terminal 20 by a dedicated application, in order to manage only kindergarten children of the class in which he or she is in charge. Do the operation to register. Then, the portable terminal 20 transmits identification information indicating the kindergarten child selected by the kindergarten teacher to the management device 30 via the communication unit 201 by the dedicated application. Based on the identification information of the kindergarten child received from the portable terminal 20, the wireless tag identifier transmission unit 302 included in the management device 30 sets a flag indicating that it is a management target in the data table TBL2 stored in the storage unit 304. At the same time, the wireless tag identifier to be managed, the address of the communication device 40 associated with the wireless tag identifier to be managed, the image transmission time, and the kindergarten face image are read from the storage unit 304. The wireless tag identifier transmission unit 302 is registered information including the wireless tag identifier to be managed read from the storage unit 304, the address of the communication device 40 to be managed, the transmission time of the image, and the kindergarten child's face image. It transmits to the portable terminal 20 (step S13). The portable terminal 20 sets the wireless tag 10 to be managed using the dedicated application based on the registration information received from the management device 30 (step S14). For example, the portable terminal 20 registers a kindergarten A who holds the wireless tag A whose flag indicating the management target shown in FIG. 8 is 1 and a kindergarten B who holds the wireless tag B.
The kindergarten teacher installs the portable terminal 20 on the height of the kindergarten's eye level, which is located at the center of the classroom.
And the watching system 1a by 2nd embodiment performs the process of step S3-step S5 similarly to the watching system 1 by 1st embodiment.

  If the wireless tag identifier determination unit 202 determines in the process of step S5 that the wireless tag identifier included in the radio wave received via the communication unit 201 is not the wireless tag identifier of the wireless tag 10 to be managed (step S5) , NO), return to the process of step S4.

Further, if the wireless tag identifier determination unit 202 determines that the wireless tag identifier included in the radio wave received via the communication unit 201 is the wireless tag identifier of the wireless tag 10 to be managed (the process in step S5) ( The face image acquisition unit 203 starts shooting an image including the face of the watching target (step S6). Then, the face image acquisition unit 203 determines whether to detect a face in the captured image (step S7).
If the face image acquisition unit 203 determines that a face is not detected in the captured image (NO in step S7), the process returns to step S5.
In addition, when it is determined that the face is detected in the captured image (YES in step S7), the face image acquisition unit 203 acquires an image including the face (step S15). Specifically, in the face image acquisition unit 203, each of the cameras provided on both the front and back sides of the portable terminal 20 starts shooting, and the face of the same face image as the kindergarten child face image included in the setting information Detect in the image using techniques such as comparing points. Then, the face image acquisition unit 203 acquires an image including the detected face.

  And the watching system 1a by 2nd embodiment performs the process of step S9-step S12 similarly to the watching system 1 by 1st embodiment.

The process performed by the watching system 1a according to the second embodiment of the present invention has been described above. In the monitoring system 1a described above, the wireless tag identifier transmission unit 302 transmits, to the portable terminal 20, the face image of the watching target person associated with the wireless tag 10 to be managed. The face image acquisition unit 203 acquires an image including the face of the face image of the watching target received from the wireless tag identifier transmission unit 302. In addition to the data of the data table TBL1 stored in the storage unit 304 according to the first embodiment, the storage unit 304 stores face images of each kindergarten child.
In this manner, the face image acquisition unit 203 can more reliably acquire the face image of the person being watched over. Then, the parent can confirm the presence of the child by an image including the face of the child, and can also collect the image as a commemorative image such as a child's growth record. Parents can see and check the face of their children, which increases their level of security. In addition, parents can collect children's images even when they are acting apart from themselves, increasing the sense of satisfaction in acquiring images of children that are different from normal.

  In the above-described embodiment, when the wireless tag identifier determination unit 202 determines that the wireless tag identifier included in the radio wave is the wireless tag identifier of the wireless tag 10 to be managed, the face image acquisition unit 203 is continuous. It may be acquired by validating an image including the face of the watching target taken. In this manner, the face image acquisition unit 203 can more reliably acquire the face image of the person being watched over. Then, the parent can confirm the presence of the child by an image including the face of the child, and can also collect the image as a commemorative image such as a child's growth record.

  Further, in the above-described embodiment, the face image acquisition unit 203 may acquire an image including a face in a predetermined direction. For example, the portable terminal 20 includes a face image identification unit 206, and the face image identification unit 206 identifies an image including a face in a predetermined direction from the image including the face of the watching target acquired by the face image acquisition unit 203. . Also, for example, when the portable terminal 20 includes the face image identification unit 206 that identifies an image including a face in a predetermined direction during imaging, and the face image identification unit 206 identifies an image including a face in a predetermined direction during imaging. Alternatively, the face image acquisition unit 203 may acquire an image including a face in a predetermined direction. Note that an image including a face in a predetermined direction is, for example, an image including a front face.

In the above-described embodiment, the face image transmission unit 204 may transmit an image including the face in the predetermined direction identified by the face image identification unit 206 to the communication device 40.
Further, in the above-described embodiment, the face image transmission unit 204 is a face of the face image identification unit 206 in a predetermined direction out of the images including the face of the watching target taken continuously by the face image acquisition unit 203. When the image including the image is identified, the image including the face may be transmitted to the communication device 40.

  In the above embodiment, the portable terminal 20 includes the notification unit 207, and the image including the face of the watching target acquired by the face image acquiring unit 203 is the face image of the watching target received from the wireless tag identifier transmission unit. The notification unit 207 may notify the user to change the orientation of the portable terminal 20 when the face of the face is not included. In this way, the user is notified that the face image acquisition unit 203 can not acquire an image including the face of the person being watched, such as the mobile terminal 20 is out of stand and the camera faces the ceiling before noticing it. It can be informed.

  In the above-described embodiment, the portable terminal 20 includes the radio wave intensity measurement unit 208, and the radio wave intensity measurement unit 208 measures the radio wave intensity of the radio wave. The rotating table on which the portable terminal 20 is placed is rotated so that the portable terminal 20 is directed in the direction in which the radio wave intensity is strong based on the radio wave intensity which is measured by the radio wave intensity measurement unit 208 or more. In this way, the face image acquisition unit 203 can more reliably acquire an image including the face of the watching target.

  Moreover, in the above-mentioned embodiment, although each of the camera with which both surfaces of the front surface and back surface of the portable terminal 20 are equipped shall image | photograph, it does not limit to it. For example, any one camera of the front surface and the back surface of the mobile terminal 20 may capture an image. For example, when the portable terminal 20 is installed at the corner or wall of a classroom of a kindergarten, any one camera of the front and back of the portable terminal 20 may capture an image including the face of the watching target. Further, in the case of one camera, the face image acquisition unit 203 may acquire an image when a predetermined face image comes to the front. In this way, wasteful battery consumption in the mobile terminal 20 can be reduced.

  Further, in the above-described embodiment, each of the wireless tag 10, the portable terminal 20, the management device 30, and the communication device 40 can change the combination of the functional units within the possible range. In the watching system 1 according to the embodiment, each of the wireless tag 10 in which the combination of the functional units is changed, the portable terminal 20, the management device 30, and the communication device 40 may operate.

  Note that the storage unit 103, the storage unit 205, and the storage unit 304 in the present invention may be provided anywhere in a range where appropriate transmission and reception of information is performed. Further, the storage unit 103, the storage unit 205, and the storage unit 304 may store a plurality of distributed data in a range where appropriate transmission and reception of information is performed.

  In the processing flow in the embodiment of the present invention, the order of processing may be reversed as long as appropriate processing is performed.

  Although the embodiment of the present invention has been described, the wireless tag 10, the portable terminal 20 and the management device 30 described above have a computer system inside. The process of the process described above is stored in the form of a program in a computer readable recording medium, and the process is performed by the computer reading and executing the program. Here, the computer readable recording medium refers to a magnetic disk, a magneto-optical disk, a CD-ROM, a DVD-ROM, a semiconductor memory or the like. Alternatively, the computer program may be distributed to a computer through a communication line, and the computer that has received the distribution may execute the program.

  Further, the program may be for realizing a part of the functions described above. Furthermore, it may be a so-called difference file (difference program) that can realize the above-described functions in combination with a program already recorded in the computer system.

  While several embodiments of the present invention have been described, these embodiments have been presented by way of example only, and are not intended to limit the scope of the invention. In addition, various omissions, replacements and changes can be made without departing from the scope of the invention.

10: Wireless tag 20: Mobile terminal 30: Management device 40: Communication device 101, 201, 301: Communication unit 102: Radio wave transmission unit 103, 205, 304: Storage Unit 202 ... wireless tag identifier determination unit 203 ... face image acquisition unit 204 ... face image transmission unit 206 ... face image identification unit 207 ... notification unit 208 ... radio wave intensity measurement unit 302 ... · · RFID tag identifier transmission unit 303 · · · destination management unit

Claims (10)

A wireless tag identifier determination unit that determines whether a wireless tag identifier included in the received radio wave is a wireless tag identifier of a wireless tag to be managed;
A radio wave intensity measuring unit that measures the radio wave intensity of the radio wave;
Mobile terminal strong direction of the radio wave intensity is directed vignetting, continuously if the wireless tag identifier included in the radio wave is judged that the wireless tag identifier determining unit that the wireless tag identifier of the wireless tag with the management target to shoot Te, and the face image obtaining unit that obtains an image captured successively includes the face of the watching target person carrying the wireless tag with the management target,
A face image transmission unit for transmitting the continuously captured images including the face of the watching target acquired by the face image acquisition unit to the communication device associated with the wireless tag identifier of the wireless tag to be managed;
Mobile terminal equipped with The face image acquisition unit
When the wireless tag identifier determination unit determines that the wireless tag identifier included in the radio wave is the wireless tag identifier of the wireless tag to be managed, shooting of an image including the face of the watching target is started and acquired Do,
The portable terminal according to claim 1. The face image acquisition unit
It includes the face of the person being watched continuously, when the wireless tag identifier determination unit determines that the wireless tag identifier included in the radio wave is the wireless tag identifier of the wireless tag to be managed. Acquire by enabling the image,
The portable terminal according to claim 1. The face image acquisition unit
Acquiring an image including a face of the received face image of the watching target,
The portable terminal according to any one of claims 1 to 3. The face image transmission unit
When it is determined that the image including the face of the watching target acquired by the face image acquisition unit includes the face of the received face image of the watching target, the communication device is an image including the face of the watching target Send to
The portable terminal according to any one of claims 1 to 3. The face image transmission unit
After determining that the image including the face of the watching target acquired by the face image acquisition unit includes the face of the face image of the watching target received, the face of the watching target only when a predetermined time has elapsed Sending an image containing the image to the communication device,
The portable terminal as described in any one of Claims 1-5. A monitoring system comprising a management device, one or more wireless tags, and one or more mobile terminals,
The management device is
A wireless tag identifier transmitter that transmits a wireless tag identifier of a wireless tag to be managed to the portable terminal;
Equipped with
Each of the wireless tags is
A radio wave transmission unit for transmitting radio waves including the respective radio tag identifiers,
Equipped with
Each of the mobile terminals is
A wireless tag identifier determination unit that determines whether a wireless tag identifier included in the radio wave received from the radio wave transmission unit is a wireless tag identifier of a wireless tag to be managed received from the wireless tag identifier transmission unit;
A radio wave intensity measuring unit that measures the radio wave intensity of the radio wave;
Continuous when the mobile terminal in the strong direction of the radio wave intensity determines direction vignetting, the wireless tag identifier determination unit that the wireless tag identifier of the RFID wireless tag identifier included in the radio waves to the management target It is to shoot a face image obtaining unit configured to obtain the watching captured images continuously including the face of the subject carrying the wireless tag with the management target,
A face image transmission unit for transmitting the continuously captured images including the face of the watching target acquired by the face image acquisition unit to the communication device associated with the wireless tag identifier of the wireless tag to be managed;
Watch system equipped with. It is determined whether the wireless tag identifier included in the received radio wave is the wireless tag identifier of the wireless tag to be managed,
Measure the radio wave intensity of the radio wave,
The radio wave strength of the strong direction to the mobile terminal toward vignetting, the wireless tag identifier is taken continuously if it is determined that the wireless tag identifier of the wireless tag with the management target included in the radio wave, the managed Acquire a continuously captured image including the face of the watching target carrying the wireless tag
A control method of a portable terminal, comprising transmitting the continuously captured images including the face of the person to be watched acquired to the communication device associated with the wireless tag identifier of the wireless tag to be managed. Send the wireless tag identifier of the wireless tag to be managed to the portable terminal,
Transmitting radio waves including each of the radio tag identifiers;
It is determined whether the wireless tag identifier included in the received radio wave is the wireless tag identifier of the received wireless tag to be managed.
Measure the radio wave intensity of the radio wave,
The radio said portable terminal in the direction of strong intensity is directed vignetting, the wireless tag identifier is taken continuously if it is determined that the wireless tag identifier of the wireless tag with the management target included in the radio wave, the management Obtain images taken consecutively including the face of the watch target person carrying the target wireless tag,
A monitoring method, comprising transmitting the continuously captured images including the face of the person to be watched acquired to the communication device associated with the wireless tag identifier of the wireless tag to be managed. Computer,
A wireless tag identifier determination unit that determines whether a wireless tag identifier included in the received radio wave is a wireless tag identifier of a wireless tag to be managed;
Radio wave intensity measuring means for measuring the radio wave intensity of the radio wave,
Mobile terminal strong direction of the radio wave intensity is directed vignetting, continuously if the wireless tag identifier included in the radio wave is judged that the wireless tag identifier determining means and a wireless tag identifier of the wireless tag with the management target to shoot Te, face image obtaining means for obtaining an image captured continuously including the face of the subject watching carrying the wireless tag with the management target,
Face image transmitting means for transmitting the continuously captured images including the face of the watching target acquired by the face image acquiring means to the communication device associated with the wireless tag identifier of the wireless tag to be managed;
A program to function as

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