WO2013051532A1 - Équipement électronique et appareil photographique électronique - Google Patents

Équipement électronique et appareil photographique électronique Download PDF

Info

Publication number
WO2013051532A1
WO2013051532A1 PCT/JP2012/075466 JP2012075466W WO2013051532A1 WO 2013051532 A1 WO2013051532 A1 WO 2013051532A1 JP 2012075466 W JP2012075466 W JP 2012075466W WO 2013051532 A1 WO2013051532 A1 WO 2013051532A1
Authority
WO
WIPO (PCT)
Prior art keywords
camera
electronic
image
image data
smartphone
Prior art date
Application number
PCT/JP2012/075466
Other languages
English (en)
Japanese (ja)
Inventor
誠 平田
中村　史朗
進 野崎
和久 田島
一徳 宮田
三木　茂
Original Assignee
三洋電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三洋電機株式会社 filed Critical 三洋電機株式会社
Publication of WO2013051532A1 publication Critical patent/WO2013051532A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00347—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with another still picture apparatus, e.g. hybrid still picture apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/0035—User-machine interface; Control console
    • H04N1/00405—Output means
    • H04N1/00408—Display of information to the user, e.g. menus
    • H04N1/0044—Display of information to the user, e.g. menus for image preview or review, e.g. to help the user position a sheet
    • H04N1/00442—Simultaneous viewing of a plurality of images, e.g. using a mosaic display arrangement of thumbnails
    • H04N1/00453—Simultaneous viewing of a plurality of images, e.g. using a mosaic display arrangement of thumbnails arranged in a two dimensional array
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/4223—Cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44227—Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
    • H04N2201/0034—Details of the connection, e.g. connector, interface
    • H04N2201/0036—Detecting or checking connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
    • H04N2201/0034—Details of the connection, e.g. connector, interface
    • H04N2201/0044—Connecting to a plurality of different apparatus; Using a plurality of different connectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0084—Digital still camera

Definitions

  • the present invention relates to an electronic apparatus, and more particularly to an electronic apparatus that displays an image based on an image signal output from an electronic camera on a screen.
  • the present invention also relates to an electronic camera, and more particularly to an electronic camera that transfers an electronic image corresponding to an optical image captured on an imaging surface to a wirelessly connected display device.
  • Patent Document 1 An example of this type of electronic device or electronic camera is disclosed in Patent Document 1.
  • a single photographing camera terminal is connected to each of one or more operation / confirmation terminals via a wireless interface.
  • the photographing camera terminal transmits through image data obtained from the camera unit to the operation / confirmation terminal, and the operation / confirmation terminal displays an image based on the through image data received from the photographing camera terminal on the display unit.
  • operation information is transmitted from the operation / confirmation terminal to the photographing camera terminal.
  • the photographing camera terminal controls the camera unit according to the operation information received from the operation / confirmation terminal. As a result, it is possible to perform photographing after confirming that the photographing target is in the intended state.
  • the background technology does not assume that a plurality of through images respectively output from a plurality of photographing camera terminals are displayed on a single operation / confirmation terminal, and has a limited image display performance.
  • the background art also does not assume that the photographing camera terminal is connected to a plurality of operation / confirmation terminals having different performances, so that there is a limit in image transfer performance.
  • An electronic apparatus comprises the following: receiving means for receiving a plurality of image signals respectively output from a plurality of electronic cameras; a plurality of images respectively corresponding to the plurality of image signals received by the receiving means Display means for displaying on the screen; measuring means for measuring the intensity of the signal received by the receiving means corresponding to each of the plurality of electronic cameras; and arrangement of the plurality of images displayed by the display means are measured by the measuring means. Control means for controlling based on the strength.
  • each of the plurality of electronic cameras repeatedly outputs an electronic image, and the measuring means repeatedly measures the intensity.
  • detection means for detecting an electronic camera whose intensity measured by the measurement means falls below a reference, and setting means for setting a reception limit of an image signal output from the electronic camera detected by the detection means in the reception means Further provided.
  • the reception control program is a reception control program recorded on a non-temporary recording medium for controlling an electronic device, and causes the processor of the electronic device to execute the following steps: output from a plurality of electronic cameras, respectively.
  • a receiving step for receiving a plurality of received image signals; a display step for displaying on the screen a plurality of images respectively corresponding to the plurality of image signals received by the receiving step;
  • a measuring step for measuring corresponding to each of the cameras; and a control step for controlling the arrangement of the plurality of images displayed by the displaying step based on the intensity measured by the measuring step.
  • a reception control method is a reception control method executed by a processor of an electronic device, and includes the following: a reception step of receiving a plurality of image signals respectively output from a plurality of electronic cameras; a reception step A display step for displaying a plurality of images respectively corresponding to the plurality of image signals received by the display; a measurement step for measuring the intensity of the signal received by the reception step corresponding to each of the plurality of electronic cameras; and a display A control step for controlling the arrangement of the plurality of images displayed by the step based on the intensity measured by the measurement step.
  • An electronic camera includes the following: an imaging unit that outputs an electronic image corresponding to an optical image captured on an imaging plane; a connection unit that wirelessly connects to a plurality of display devices; Detecting means for detecting the performance of each of the plurality of display devices; adjusting means for adjusting the quality of the electronic image output from the imaging means to a different single quality according to the detection result of the detecting means; and adjusted by the adjusting means Transfer means for transferring an electronic image having a high quality to a plurality of display devices connected by the connection means.
  • an activation unit that activates the detection unit each time the connection state of the connection unit changes is further provided.
  • the quality adjusted by the adjusting means corresponds to the lowest performance among the performances detected by the detecting means.
  • the transfer means transfers the electronic image by a broadcast method.
  • An image transfer program is an image transfer program recorded on a non-temporary recording medium so as to control an electronic camera including an imaging unit that outputs an electronic image corresponding to an optical image captured on an imaging surface.
  • An image transfer method is an image transfer method executed by an electronic camera including an imaging unit that outputs an electronic image corresponding to an optical image captured on an imaging surface, and includes the following: a plurality of displays A connection step of connecting to the apparatus wirelessly; a detection step of detecting the performance of each of the plurality of display devices connected by the connection means; a quality of the electronic image output from the imaging means is different depending on the detection result of the detection step An adjusting step for adjusting to one quality; and a transferring step for transferring an electronic image having the quality adjusted by the adjusting step to a plurality of display devices connected by the connecting step.
  • FIG. 3 is an illustrative view showing one example of a configuration of a register applied to the digital camera shown in FIG. 1 or FIG. 2.
  • (A) is an illustration figure which shows an example of a structure of the search register applied to the smart phone shown in FIG.
  • (B) is an illustration figure which shows an example of a structure of the connection register applied to the smart phone shown in FIG. is there. It is an illustration figure which shows an example of the registration state of the register
  • (A) is an illustration figure which shows an example of the registration state of the connection register
  • (B) is an illustration figure which shows an example of the display state of the LCD monitor provided in the smart phone.
  • A) is an illustration figure which shows another example of the registration state of the connection register
  • (B) is an illustration figure which shows another example of the display state of the LCD monitor provided in the smart phone. .
  • FIG. 3 is a flowchart showing a part of the operation of the camera CPU shown in FIG. 1 or FIG. 2. It is a flowchart which shows a part of other operation
  • FIG. 5 is a flowchart showing still another part of the operation of the camera CPU shown in FIG. 1 or FIG. 2.
  • FIG. 5 is a flowchart showing still another part of the operation of the camera CPU shown in FIG. 1 or FIG.
  • movement of smart phone CPU shown in FIG. It is a flowchart which shows a part of operation
  • movement of smart phone CPU shown in FIG. It is a flowchart which shows another part of operation
  • the camera system of this embodiment includes one or more digital cameras 10 each configured as shown in FIG. 1 or 2 and one or more smartphones 50 each configured as shown in FIG. And formed by. Both the digital camera 10 and the smartphone 50 have a short-range wireless communication function according to the AdHoc method or the Wi-FiDirect method. Note that the short-range wireless communication is executed by the communication I / F 42 shown in FIG. 1 or 2 and the communication I / F 64 shown in FIG.
  • the camera operation function of the smartphone 50 is activated, and the smartphone 50 is moved to the vicinity of the digital camera 10, live image data representing a scene photographed by the digital camera 10 is obtained. It is transferred to the smartphone 50 by short-range wireless communication (see FIG. 4).
  • a zoom operation is performed on the smartphone 50, a zoom instruction is given to the digital camera 10 by short-range wireless communication, and the zoom magnification is changed in response thereto.
  • an imaging operation is performed on the smartphone 50, an imaging instruction is given to the digital camera 10 by short-range wireless communication.
  • Still image data representing a scene at the time when an imaging instruction is given is transferred from the digital camera 10 to the smartphone 50 by short-range wireless communication.
  • the digital camera 10 shown in FIG. 1 is assumed to be taken by a general consumer and photograph a desired scene at home or on the road.
  • the digital camera 10 shown in FIG. 2 is assumed to be installed at a plurality of positions in a tourist spot such as a theme park and observe fixed points. Therefore, in comparison with the digital camera 10 shown in FIG. 1, the key input device 34, the LCD driver 28, and the LCD monitor 30 are omitted in the digital camera 10 shown in FIG.
  • the digital camera 10 shown in FIG. 2 is mounted on a radio controlled car, a radio controlled airplane, a rock climber's helmet or an animal, or embedded in a ball for ball games in order to shoot an unusual scene. Also good.
  • the digital camera 10 shown in FIG. 2 may also be installed in a refrigerator for managing cold objects, or attached to a security guard's flashlight for photographing the security area.
  • the digital camera 10 includes a zoom lens 12, a focus lens 14, and a diaphragm mechanism 16 that are driven by drivers 20a, 20b, and 20c, respectively.
  • the optical image that has passed through these members is irradiated onto the imaging surface of the imaging device 18 and subjected to photoelectric conversion. As a result, a charge representing the scene captured on the imaging surface is generated.
  • the camera CPU 32 executes a plurality of tasks including a camera-side imaging control task, a camera-side display control task, a response processing task, a camera-side connection control task, and a camera-side communication control task in parallel on the multitask OS. It is. Control programs corresponding to these tasks are stored in the flash memory 40.
  • the camera side display control task is omitted in the digital camera 10 shown in FIG.
  • the camera side imaging control task instructs the driver 20d to repeat the exposure operation and the charge readout operation in order to start the moving image capturing process.
  • the driver 20d exposes the imaging surface and reads out the charges generated on the imaging surface in a raster scanning manner. From the imaging device 18, raw image data based on the read charges is periodically output.
  • the camera processing circuit 22 performs processing such as color separation, white balance adjustment, and YUV conversion on the raw image data output from the imaging device 18, and the YUV format image data generated thereby is stored in the SDRAM 26 through the memory control circuit 24. Write in the YUV image area 26a.
  • the camera side display control task instructs the LCD driver 28 to start the moving image display process.
  • the LCD driver 28 repeatedly reads out the image data stored in the YUV image area 26a through the memory control circuit 24, and drives the LCD monitor 30 based on the read image data. As a result, a live image representing a scene captured on the imaging surface is displayed on the monitor screen.
  • the image data created by the camera processing circuit 22 is also given to the camera CPU 32.
  • the camera-side imaging control task performs simple AE processing on the given image data to calculate an appropriate EV value, and sets the aperture amount and the exposure time that define the calculated appropriate EV value in the drivers 20c and 20d, respectively. As a result, the brightness of the image data is adjusted appropriately.
  • the camera-side imaging control task instructs the driver 20a to execute zoom processing.
  • the zoom lens 12 is moved in the zoom-in direction or the zoom-out direction by the driver 20a, thereby changing the magnification of the image data.
  • the camera side display control task instructs the LCD driver 28 to interrupt the moving image display process.
  • the display on the LCD monitor 30 is updated from the live image to the black image.
  • the camera-side imaging control task performs strict AE processing on the image data output from the camera processing circuit 22 to calculate the optimum EV value, and sets the aperture amount and exposure time defining the calculated optimum EV value to the driver 20c. And 20d, respectively.
  • the brightness of the image data is adjusted to an optimum value.
  • the camera-side imaging control task executes AF processing with reference to the high-frequency component of the image data output from the camera processing circuit 22.
  • the focus lens 14 is placed at the focal point by the driver 20b, and thereby the sharpness of the image data is improved.
  • the camera side imaging control task executes the still image capturing process and commands the memory I / F 36 to execute the recording process.
  • One frame of image data representing the scene at the time when the AF process is completed is saved in the still image area 26b of the SDRAM 26 by the still image capturing process.
  • the memory I / F 36 instructed to execute the recording process reads the image data saved in the still image area 26 b through the memory control circuit 24 and records an image file containing the read image data on the recording medium 38. .
  • the camera side display control task instructs the LCD driver 28 to resume the moving image display process after the recording process is completed.
  • the LCD driver 28 resumes reading the image data stored in the YUV image area 26a, and as a result, the display on the LCD monitor 30 is returned to the live image.
  • the smartphone 50 includes an antenna 52 for mobile communication and a wireless communication module. If the transmitted / received data is call voice data, the received voice is output from the speaker 56 and the transmitted voice is captured by the microphone 58. If the transmission / reception data is image data, this data is processed under the control of the smartphone CPU 60.
  • the target image data is written into the SDRAM 68 through the memory control circuit 66.
  • the LCD driver 70 reads the image data stored in the SDRAM 68 through the memory control circuit 66, and drives the LCD monitor 72 based on the read image data. As a result, a corresponding image is displayed on the monitor screen.
  • a touch operation on the monitor screen is detected by a touch sensor 78. The detection result is given to the smartphone CPU 60, and different processes are executed under the control of the smartphone 60 according to the mode of the touch operation.
  • the smartphone CPU 60 is also a processor that executes a plurality of tasks in parallel on the multitasking OS. As tasks to be executed, a search processing task, a phone side connection control task, a phone side communication control task, a phone side display control task, and a phone side imaging control task are prepared. Control programs corresponding to these tasks are stored in the flash memory 62.
  • the issued response request describes its own phone ID, and the response request is issued from the communication I / F 64 by the broadcast method.
  • the response processing task When the response request is received by the communication I / F 42 of the digital camera 10, the response processing task returns an ACK through the communication I / F 42.
  • the returned ACK describes the camera ID for identifying itself and the requesting phone ID.
  • the digital camera 10 belongs to one of a plurality of predefined groups, and a group ID for identifying the group to which the digital camera 10 belongs is assigned to the digital camera 10. This group ID is added to the camera ID described in ACK in an expanded manner.
  • the search processing task extracts the camera ID described in the received ACK, and uses the extracted camera ID as the search register RGSTs. Register with. The group ID added to the camera ID in an expanded manner is registered in the search register RGSTs corresponding to the camera ID.
  • the phone side connection control task instructs the LCD driver 70 to display the group menu.
  • the LCD driver 70 detects one or more group IDs from the search register RGSTs, and displays the detected group IDs on the LCD monitor 72 as a group menu.
  • the issued connection request describes its own phone ID and specification information, and further describes one or more camera IDs described in the search register RGSTs corresponding to the selected group ID.
  • the specification information for example, the resolution of the LCD monitor 72 is assumed.
  • the camera-side connection control task executes an authentication process on the received connection request. If the connection with the requesting smartphone 50 is approved as a result of the authentication processing, the camera side connection control task transmits an ACK in which the camera ID of the camera and the requesting phone ID are described through the communication I / F 42. .
  • the camera side connection control task extracts the request source phone ID and specification information from the connection request, and registers the extracted phone ID and specification information in the register RGST1 shown in FIG. Furthermore, when the number of phone IDs registered in the register RGST1 is updated from “0” to “1”, the camera-side connection control task notifies other tasks of establishment of the connection with the smartphone 50.
  • the camera-side display control task that has received this notification interrupts the display of the live image on the LCD monitor 30.
  • the display on the LCD monitor 30 is updated from a live image to a black image in response to the connection with the smartphone 50.
  • the issued response request describes its own camera ID and one or more phone IDs registered in the register RGST1.
  • the phone side connection control task determines that the phone ID that matches its own phone ID and the camera that matches any camera ID registered in the connection register RGSTc.
  • An ACK is returned only when the ID is described in the response request.
  • the returned ACK describes its own phone ID and the requesting camera ID.
  • the camera-side connection control task refers to the reception status of the ACK returned in this way, and identifies the smartphone 50 that is unable to maintain the connection.
  • the identified phone ID and specification information of the smartphone 50 are deleted from the register RGST1.
  • the camera side connection control task notifies the other task of the release of the connection with the smartphone 50.
  • the camera-side display control task resumes displaying the live image on the LCD monitor 30.
  • the display on the LCD monitor 30 is updated from a black image to a live image in response to the release of the connection with the smartphone 50.
  • the live image representing the scene captured by the digital camera 10 is displayed on the LCD monitor 72 of the connected smartphone 50 (details will be described later).
  • the phone side connection control task issues a disconnection request in which the camera ID for identifying the transmission source of the specified live image and its own phone ID are described. It transmits through communication I / F64.
  • the camera ID that identifies the transmission source of the designated live image is then deleted from the connection register RGSTc.
  • the camera side connection control task deletes the requester's phone ID and specification information from the register RGST1.
  • the number of phone IDs registered in the register RGST1 is updated from “1” to “0”, the display of the live image on the LCD monitor 30 is resumed as described above.
  • the camera side communication control task instructs the communication I / F 42 to start the moving image transfer process.
  • the camera-side communication control task also selects a specification representing the minimum quality from one or more specifications registered in the register RGST1, and sets the transfer image quality conforming to the selected specification in the communication I / F 42.
  • the transfer quality set in the communication I / F 42 is updated every time the description of the register RGST1 is updated in the range where the number of registered camera IDs is “1” or more.
  • the communication I / F 42 periodically reads the image data stored in the YUV image area 26a through the memory control circuit 24, and adjusts the quality of the read image data with reference to the transfer image quality set as described above. Then, the image data having the adjusted quality is transferred to the smartphone 50 as live image data. Note that the broadcast method is adopted as the transfer method. Further, one or more camera IDs registered in the register RGST1 are embedded in the live image data to be transferred. When the description of the register RGST1 is updated, the camera ID embedded in the live image data is also updated.
  • the resolution of the LCD monitor 72 provided in the smartphone 50 is assumed.
  • the phone ID and specifications of each smartphone 50 are described in the register RGST1, for example, in the manner shown in FIG.
  • the phone ID of the first smartphone 50 is “PH_A”, and the LCD monitor 72 of the first smartphone 50 has a resolution of 640 pixels ⁇ 960 pixels.
  • the phone ID of the second smartphone 50 is “PH_B”, and the LCD monitor 72 of the second smartphone 50 has a resolution of 320 pixels ⁇ 480 pixels.
  • the phone ID of the third smartphone 50 is “PH_C”, and the LCD monitor 72 of the third smartphone 50 has a resolution of 768 pixels ⁇ 1024 pixels.
  • the camera side communication control task selects a resolution of 320 pixels ⁇ 480 pixels as the specification of the minimum quality, and sets the selected resolution in the communication I / F 42 as the transfer image quality.
  • the live image data transferred by the communication I / F 42 has a resolution of 320 pixels ⁇ 480 pixels.
  • the phone side communication control task starts reception of live image data in which a camera ID matching the camera ID described in the connection register RGSTc is embedded. A corresponding command is given to the communication I / F 64.
  • the live image data received by the communication I / F 64 is given to the memory control circuit 66.
  • the memory control circuit 66 writes the given live image data in the SDRAM 68 with reference to the arrangement determined in the above manner.
  • the camera ID that identifies the detected transmission source is deleted from the connection register RGSTc.
  • the reception mode of the live image data by the communication I / F 64 reflects the description of the connection register RGSTs after the deletion process.
  • the reception of live image data is stopped when the number of camera IDs registered in the connection register RGSTc is updated from “1” to “0”.
  • the phone side display control task instructs the LCD driver 70 to start displaying the live image.
  • the LCD driver 70 reads the live image data stored in the SDRAM 68 through the memory control circuit 66 and drives the LCD monitor 72 based on the read live image data. As a result, one or more live images are displayed on the monitor screen in the order according to the reception intensity.
  • the camera ID is described in the connection register RGSTc, for example, as shown in FIG. According to FIG. 8A, the camera ID of the first digital camera 10 indicates “CM_A”, the camera ID of the second digital camera 10 indicates “CM_B”, and the third digital camera 10 The camera ID of “4” indicates “CM_C”, and the camera ID of the fourth digital camera 10 indicates “CM_D”.
  • the live image LV_A is an image based on live image data in which the camera ID “CM_A” is embedded
  • the live image LV_B is an image based on live image data in which the camera ID “CM_B” is embedded.
  • the live image LV_C is an image based on live image data in which the camera ID “CM_C” is embedded
  • the live image LV_D is an image based on live image data in which the camera ID “CM_D” is embedded.
  • the display state of the LCD monitor 72 is as shown in FIG.
  • the state is updated to the state shown in FIG.
  • the four live images are arranged in the order of LV_A ⁇ LV_C ⁇ LV_D ⁇ LV_B.
  • the description of the connection register RGSTc remains the same (see FIG. 9A).
  • the camera ID “CM_B” is obtained from the connection register RGSTc as shown in FIG. Deleted.
  • the reception of the live image data in which the camera ID “CM_B” is embedded is stopped, and the live image LV_B disappears from the LCD monitor 72 as shown in FIG.
  • the phone-side display control task instructs the LCD driver 70 to enlarge the selected live image.
  • the LCD driver 70 executes processing according to the command, and as a result, the selected live image is enlarged.
  • the phone side display control task instructs the LCD driver 70 to end the enlarged display.
  • the LCD driver 70 executes processing according to the command, and as a result, the size of the enlarged live image is returned to the original size.
  • the phone side imaging control task starts to accept the zoom operation and the imaging operation.
  • the zoom operation corresponds to an operation of pinching in or out of a desired live image
  • the imaging operation corresponds to an operation of touching the desired live image twice in succession.
  • the phone side imaging control task issues a zoom instruction through the communication I / F 64.
  • zoom magnification information according to the pinch-in operation or pinch-out operation, the camera ID of the source of the desired live image, and the own phone ID are described.
  • the camera-side imaging control task determines that the camera ID described in the zoom instruction matches the own camera ID and the phone described in the zoom instruction.
  • the zoom process is executed on the condition that the ID matches any phone ID registered in the register RGST1.
  • the zoom lens 12 is moved in the zoom-in direction or the zoom-out direction by the driver 20a. As a result, the magnification of the desired live image displayed on the LCD monitor 72 of the smartphone 50 changes.
  • the phone side imaging control task issues an imaging instruction through the communication I / F 64.
  • the camera ID of the transmission source of the desired live image and the own phone ID are described.
  • the phone side imaging control task also instructs the LCD driver 70 to interrupt the display of a desired live image after issuing the imaging instruction. As a result, the desired live image is updated to a black image.
  • the user of the smartphone 50 can visually recognize that the imaging instruction has been issued by updating the display image from the live image to the black image.
  • the still image acquired from the digital camera 10 is displayed on the LCD monitor 70 for preview, if the display of the black image is omitted, the display on the LCD monitor 70 is updated from the live image to the still image, This may confuse the user of the smartphone 50.
  • the display of the black image also brings an advantage of avoiding confusion of the user of the smartphone 50 when displaying a still image as a preview.
  • the camera-side imaging control task causes the camera ID described in the imaging instruction to match the own camera ID and the phone described in the imaging instruction.
  • a series of processes including a strict AE process, an AF process, and a still image capturing process is executed on condition that the ID matches one of the phone IDs registered in the register RGST1.
  • the camera side communication control task instructs the communication I / F 42 to transfer the still image data acquired thereby.
  • the communication I / F 42 reads the still image data saved in the still image area 26b through the memory control circuit 24, and transfers the read still image data to the issuer of the imaging instruction.
  • the unicast method is adopted as the transfer method, and the phone ID of the issuer of the imaging instruction is embedded in the transferred still image data.
  • the phone side imaging control task instructs the memory I / F 74 to record the received still image data.
  • the received still image data is recorded in the flash memory 74 in a file format by the memory I / F 74.
  • the phone side imaging control task gives the LCD driver 70 resumption of display of the interrupted live image. As a result, display of a desired live image is resumed.
  • the camera side imaging control task is configured as shown in FIG. 11, the camera side display control task is configured as shown in FIG. 12, and the response processing task is configured as shown in FIG.
  • the camera side connection control task is configured as shown in FIGS. 14 to 15, and the camera side communication control task is configured as shown in FIGS.
  • the task priority decreases in the order of camera-side imaging control task ⁇ camera-side communication control task ⁇ camera-side display control task ⁇ response processing task ⁇ camera-side connection control task.
  • the camera-side display control task shown in FIG. 12 is omitted in the digital camera 10 shown in FIG.
  • step S1 the moving image capturing process is started.
  • raw image data representing a scene captured on the imaging surface is periodically output from the imaging device 18, and corresponding YUV format image data is periodically output from the camera processing circuit 22.
  • step S3 an imaging instruction (a camera ID that matches the camera ID of the camera and a phone ID that matches any phone ID registered in the register RGST1 is issued by operating the shutter button 34sh or from the smartphone 50). It is determined whether or not a logical sum condition that the communication I / F 42 is received) is satisfied. If a determination result is NO, it will progress to step S5 and will perform a simple AE process. As a result, the brightness of the image data output from the camera processing circuit 22 is adjusted appropriately.
  • step S7 the zoom button 34z is operated or a zoom instruction issued from the smartphone 50 (a camera ID that matches the own camera ID and a phone ID that matches any phone ID registered in the register RGST1). It is determined whether or not a logical OR condition that the communication I / F 42 is received) is satisfied. If the determination result is NO, the process directly returns to step S3, whereas if the determination result is YES, the zoom process is performed in step S9, and then the process returns to step S3. As a result of the zoom process, the zoom lens 12 moves in the zoom-in direction or the zoom-out direction, and the magnification of the image data output from the camera processing circuit 22 changes.
  • step S3 If the decision result in the step S3 is YES, a strict AE process is executed in a step S11, and an AF process is executed in a step S13.
  • the brightness of the image data is adjusted to an optimum value by the strict AE process, and the sharpness of the image data is improved by the AF process.
  • step S13 When the process of step S13 is completed, a still image capturing process is executed in step S15.
  • One frame of image data representing a scene at the time when AF processing is completed is saved as still image data from the YUV image area 26a to the still image area 26b.
  • step S17 it is determined whether or not the trigger for updating the determination result in step S3 from NO to YES is an operation of the shutter button 34sh. If the determination result is NO, that is, if the trigger is an imaging instruction from the smartphone 50, the process directly returns to step S3. On the other hand, if the determination result is YES, that is, if the trigger is an operation of the shutter button 34sh, the memory I / F 36 is commanded to execute the recording process in step S19.
  • the memory I / F 36 reads the still image data saved in the still image area 26b through the memory control circuit 24, and records an image file containing the read still image data on the recording medium 38. When the recording process is completed, the process returns to step S3.
  • step S21 the moving image display process is started in step S21.
  • a live image representing a scene captured on the imaging surface is displayed on the LCD monitor 30.
  • step S23 it is determined whether or not the shutter button 34sh has been operated.
  • step S25 it is determined whether or not a connection with at least one smartphone 50 has been established. The determination process in step S25 is executed based on the notification issued in step S63 described later.
  • step S23 When the determination result in step S23 is updated from NO to YES, the moving image display process is interrupted in step S27.
  • the display on the LCD monitor 30 is updated from a live image to a black image.
  • step S29 it is determined whether or not the recording process in step S19 shown in FIG. 11 is completed.
  • the moving image display process is restarted in step S31, and then the process returns to step S23.
  • step S25 When the determination result in step S25 is updated from NO to YES, the moving image display process is interrupted in step S23.
  • the display on the LCD monitor 30 is updated from a live image to a black image, as described above.
  • step S35 it is determined whether or not the connection with all the smartphones 50, 50,. This determination processing is executed based on the notification issued in step S77 described later.
  • the process returns to step S23 through the process of step S31.
  • step S41 it is determined whether or not a response request has been received by communication I / F.
  • the process proceeds to step S43, and ACK is returned through the communication I / F 42.
  • the received response request describes the phone ID that identifies the requesting smartphone 50, and the ACK returned in step S43 describes the camera ID that identifies itself and the requesting phone ID.
  • the process returns to step S41.
  • the digital camera 10 belongs to any one of a plurality of predefined groups, and a group ID for identifying the group to which the digital camera 10 belongs is assigned to the digital camera 10. This group ID is added to the camera ID described in ACK in step S43 in an expanded manner.
  • step S ⁇ b> 51 it is determined whether or not a connection request issued from the surrounding smartphone 50 has been received by the communication I / F 42.
  • the connection request specification information indicating the specification of the requesting smartphone 50 is described in addition to the requested camera ID and the requesting phone ID. If the decision result in the step S51 is YES, an authentication process is executed in a step S53.
  • step S55 it is determined whether or not the connection with the requesting smartphone 50 has been approved based on the result of the authentication process. If the determination result is NO, the process returns to step S51, whereas if the determination result is YES, step S57. Proceed to
  • step S57 an ACK describing its own camera ID and requesting phone ID is transmitted through the communication I / F 42.
  • the request source phone ID and specification information are extracted from the connection request, and the extracted phone ID and specification information are registered in the register RGST1.
  • step S61 it is determined whether or not the number of phone IDs registered in the register RGST1 is “1”. If the determination result is NO, the process returns to step S51, whereas if the determination result is YES, the process proceeds to step S63. .
  • step S63 the establishment of the connection with the smartphone 50 is notified to other tasks. When the notification is completed, the process returns to step S51.
  • Step S51 determines whether or not at least one phone ID is registered in the register RGST1 in a step S65. If a determination result is NO, it will return to Step S51, and if a determination result is YES, it will progress to Step S67.
  • Step S67 it is determined whether or not a non-connection request issued from the connected smartphone 50 is received by the communication I / F 42.
  • the request source phone ID and the request destination camera ID are described.
  • Whether or not the requesting smartphone 50 is connected to itself is determined based on the description in the register RGST1 and the phone ID described in the non-connection request.
  • step S69 it is determined whether or not the number of phone IDs registered in the register RGST1 is “0”. If a determination result is NO, it will return to step S51 as it is. On the other hand, if a determination result is YES, it will progress to step S73 and will notify cancellation
  • the issued response request describes its own camera ID and one or more phone IDs registered in the register RGST1.
  • the smartphone 50 having the same phone ID as the phone ID described in the response request returns an ACK by the process of step S165 described later.
  • the return source phone ID and the return destination camera ID are described.
  • step S79 referring to the reception status of the ACK returned in this manner, the smartphone 50 that cannot maintain the connection is specified.
  • the identified phone ID and specification information of the smartphone 50 are deleted from the register RGST1 in step S69.
  • step S81 it is determined whether or not a connection with at least one smartphone 50 has been established. This determination process is executed based on the notification issued in step S63 described above. When the determination result is updated from NO to YES, the process proceeds to step S83 to command the communication I / F 42 to start the moving image transfer process.
  • step S85 a specification representing the minimum quality is selected from one or more specifications registered in the register RGTS1, and in step S87, a transfer image quality that conforms to the specification selected in step S85 is set in the communication I / F 42. To do.
  • the communication I / F 42 periodically reads the image data stored in the YUV image area 26a through the memory control circuit 24, and adjusts the quality of the read image data with reference to the transfer image quality set in step S87. Then, the image data having the adjusted quality is transferred to the smartphone 50 as live image data. Note that the broadcast method is adopted as the transfer method. Further, one or more camera IDs registered in the register RGST1 are embedded in the live image data to be transferred. When the description of the register RGST1 is updated, the camera ID embedded in the live image data is also updated.
  • step S89 it is determined whether or not the description of the register RGST1 has been updated.
  • step S95 it is determined whether or not an imaging instruction has been given. Note that the imaging instruction to be noticed in step S95 is an instruction in which a camera ID that matches its own camera ID and a phone ID that matches any phone ID registered in the register RGST1 are described.
  • step S89 If the determination result of step S89 is YES, it will be discriminate
  • step S93 the communication I / F 42 is commanded to stop moving image transfer processing, and then the process returns to step S81. As a result of the processing in step S93, the communication I / F 42 stops the broadcast transfer of live image data.
  • step S95 When the determination result in step S95 is updated from NO to YES, it is determined in step S97 whether or not the above-described still image capturing process in step S15 is completed.
  • the process proceeds to step S99, and the communication I / F 42 is commanded to transfer the still image data to the issuer of the imaging instruction.
  • the communication I / F 42 reads the still image data saved in the still image area 26b through the memory control circuit 24, and transfers the read still image data to the issuer of the imaging instruction.
  • the unicast method is adopted as the transfer method, and the phone ID that issued the imaging instruction is described in the transferred still image data.
  • step S101 it is determined whether or not the transfer of the still image data is completed. If the determination result is updated from NO to YES, the process returns to step S89.
  • the search processing task is configured as shown in FIG. 18, the phone side connection control task is configured as shown in FIGS. 19 to 20, and the phone side communication control task is shown in FIG.
  • the phone side display control task is configured as shown in FIG. 22, and the phone side imaging control task is configured as shown in FIG.
  • the search register RGSTs is initialized in step S113, and a response request describing its own phone ID is issued in step S115.
  • the response request is issued in a broadcast manner through the communication I / F 64.
  • step S117 it is determined whether or not an ACK describing its own phone ID has been received by the communication I / F 64.
  • step S119 it is determined whether or not a timeout has occurred. If the determination result of step S119 is NO, it will return to step S117, and if the determination result of step S119 is YES, it will return to step S111.
  • step S117 If the determination result in step S117 is YES, the return source ID described in the received ACK is extracted in step S121, and it is determined in step S123 whether or not the extracted return source ID is a camera ID. If a determination result is NO, it will return to step S117, and if a determination result is YES, it will progress to step S125.
  • step S125 the extracted camera ID is registered in the search register RGSTs. The group ID added to the camera ID in an expanded manner is registered in the register RGST2 corresponding to the camera ID. When registration is completed, the process returns to step S111.
  • step S131 it is determined whether or not at least one camera ID is registered in search register RGSTs. If the determination result is YES, the LCD driver 70 is commanded to display a group menu in step S133. The LCD driver 70 detects one or more group IDs from the search register RGSTs, and displays the detected group IDs on the LCD monitor 72 as a group menu.
  • step S139 the connection register RGSTc is initialized, and in step S141, a connection request is issued through the communication I / F 64.
  • the issued connection request describes its own phone ID and specification information, and further describes one or more camera IDs described in the search register RGSTs corresponding to the selected group ID.
  • step S143 it is determined whether or not an ACK describing its own phone ID has been received by the communication I / F 64.
  • step S145 it is determined whether or not a timeout has occurred. Note that the ACK noted in step S143 is an ACK returned in response to the connection request issued in step S141, and is distinguished from the ACK noted in step S117.
  • step S145 determines whether the determination result of step S145 is NO, the process returns to step S143, and if the determination result of step S143 is YES, the process proceeds to step S147.
  • step S147 the camera ID described in the returned ACK is registered in the connection register RGSTc. Therefore, when a plurality of ACKs are returned in the period until timeout occurs, a plurality of camera IDs are registered in the connection register RGSTc.
  • step S145 If the determination result in step S145 is updated from NO to YES, it is determined in step S149 whether or not at least one camera ID is registered in the connection register RGStc. If a determination result is NO, it will return to Step S131, and if a determination result is YES, it will progress to Step S151.
  • step S151 it is determined whether or not a disconnection operation has been performed.
  • step S159 it is determined whether or not the response request issued in step S77 described above has been received by the communication I / F 64.
  • the non-connection operation is executed by designating one of one or two or more live images displayed on the LCD monitor 72 by processing in step S193 described later.
  • step S151 If the decision result in the step S151 is YES, the process advances to a step S153 to designate the digital camera 10 corresponding to the live image transmission source designated by the non-connection operation.
  • step S155 a non-connection request in which the camera ID of the designated digital camera 10 and its own phone ID are described is transmitted through the communication I / F 64.
  • step S157 the camera ID of the designated digital camera 10 is deleted from the connection register RGSTc. When the deletion is completed, the process returns to step S149.
  • step S159 If the determination result of step S159 is YES, the camera ID described in the response request is detected in step S161. In step S163, it is determined whether or not the same camera ID as the detected camera ID is registered in the connection register RGSTc. If the determination result is NO, the process returns to step S149. If the determination result is YES, the process proceeds to step S165. move on. In step S165, an ACK describing its own phone ID and requesting camera ID is transmitted through the communication I / F 64. When the transmission is completed, the process returns to step S149.
  • step S171 it is determined whether or not at least one camera ID is registered in connection register RGSTc. If the determination result is updated from NO to YES, the process proceeds to step S173.
  • One or more digital cameras 10 registered in the connection register RGSTc start transmitting live image data through the process of step S83 described above.
  • the transmitted camera ID is described in the transmitted live image data.
  • step S173 a corresponding command is sent to the communication I / F 64 in order to start receiving the live image data thus transmitted (live image data in which the camera ID matching the camera ID described in the connection register RGSTc is embedded). give.
  • the live image data received by the communication I / F 64 is given to the memory control circuit 66.
  • the memory control circuit 66 writes the given live image data in the SDRAM 68 with reference to the arrangement determined in step S177.
  • step S183 the detected digital camera 10 camera is detected.
  • the ID is deleted from the connection register RGSTc.
  • the reception mode of the live image data by the communication I / F 64 reflects the description of the connection register RGSTs after the deletion process.
  • step S185 it is determined whether or not the number of camera IDs registered in the connection register RGSTc is “0”. If the determination result is NO, the process returns to step S175. If the determination result is YES, the process proceeds to step S187. move on. In step S187, the communication I / F 64 is instructed to stop receiving live image data, and then the process returns to step S171.
  • step S191 it is determined whether or not reception of live image data is started by the process in step S173, and if the determination result is updated from NO to YES, the process proceeds to step S193.
  • step S193 a corresponding command is given to the LCD driver 70 to start displaying a live image.
  • the LCD driver 70 reads the live image data stored in the SDRAM 68 through the memory control circuit 66 and drives the LCD monitor 72 based on the read live image data. As a result, one or more live images are displayed on the monitor screen in the order according to the reception intensity.
  • step S195 it is determined whether or not an image selection operation for selecting any one of the live images displayed on the monitor screen has been performed. If the determination result is NO, the process proceeds to step S203, and if the determination result is YES, the process proceeds to step S197.
  • step S197 the LCD driver 70 is instructed to enlarge the selected live image. The LCD driver 70 executes processing according to the command, and as a result, the selected live image is enlarged.
  • step S199 it is determined whether or not a selection canceling operation has been performed. If the determination result is NO, the process proceeds directly to step S203. If the determination result is YES, the LCD driver 70 is instructed to end enlargement display in step S201. To do. As a result of the processing in step S201, the size of the enlarged live image is returned to the original size. When the process of step S201 is completed, the process proceeds to step S203.
  • step S203 it is determined whether or not the reception of live image data is stopped by the process in step S187.
  • the LCD driver 70 is commanded to stop displaying the live image in step S205, and then the process returns to step S191.
  • step S211 it is determined whether or not live image display has been started by the process of step S193.
  • the determination result is updated from NO to YES
  • the imaging operation corresponds to an operation of touching a desired live image twice in succession.
  • the zoom operation corresponds to an operation for pinching in or pinching out a desired live image.
  • step S217 When the determination result of step S215 is updated from NO to YES, the process proceeds to step S217, and a zoom instruction is issued to the transmission source of the desired live image.
  • the zoom instruction is issued through the communication I / F 64.
  • the issued zoom instruction describes zoom magnification information corresponding to the pinch-in operation or pinch-out operation, the camera ID of the issue destination, and the own phone ID.
  • step S213 If the determination result in step S213 is YES, an imaging instruction is issued to a desired live image transmission source.
  • the imaging instruction is issued through the communication I / F 64, and the issued camera ID and the own phone ID are described in the issued imaging instruction.
  • step S221 a command corresponding to the LCD driver 70 is given to interrupt the display of a desired live image.
  • step S223 it is determined whether or not still image data from the issue destination of the imaging instruction has been received by the communication I / F 64. If the determination result is YES, the process proceeds to step S225 to instruct the memory I / F 74 to record the received still image data. The received still image data is recorded in the flash memory 74 in a file format by the memory I / F 74. When the recording is completed, the process proceeds to step S227. In step S227, a corresponding command is given to the LCD driver 70 in order to resume the display of the live image interrupted by the process of step S221. When the process of step S227 is completed, the process returns to step S211.
  • the imaging device 18 outputs raw image data corresponding to the optical image captured on the imaging surface, and the camera processing circuit 22 is based on the output raw image data.
  • the camera CPU 32 wirelessly connects to a plurality of smartphones 50, 50,... Using the communication I / F 42 (S51 to S57), and detects the performance of each of the connected smartphones 50, 50,. (S59).
  • the camera CPU 32 also adjusts the quality of the live image data to a different single quality according to the detected performances (S85 to S87), and converts the live image data having the adjusted quality to the smartphones 50 and 50. ,... Are transferred by the broadcast method (S83).
  • the load applied to the transfer of live image data can be adjusted adaptively, and the image transfer performance can be improved.
  • the smartphone CPU 60 receives live image data output from each of the plurality of digital cameras 10, 10,... Via the communication I / F 64 (S173), and a plurality of based on the received live image data.
  • the live image is displayed on the LCD monitor 72 (S193).
  • the smartphone CPU 60 also measures the strength of radio waves received by the communication I / F 64 for each digital camera 10 (S175), and controls the arrangement of a plurality of live images displayed on the LCD monitor 72 based on the measured strength. (S177). This improves the live image display performance.
  • the phone ID is deleted from the register RGST1 when communication between the digital camera 10 and the smartphone 50 becomes poor due to temporary deterioration of the communication environment. Will be. Such a situation can be avoided by repeatedly issuing a response request and deleting the phone ID from the register RGST1 when no ACK is returned for any response request.
  • a plurality of digital cameras 10, 10,... are installed in a sightseeing spot, and the smartphone 50 is carried by a traveler who has visited this sightseeing spot.
  • Each digital camera 10 is provided with an LED.
  • the LCD monitor 72 of the smartphone 50 displays one or more camera IDs that identify each connectable digital camera 10 at a stage before connection. When one of the displayed camera IDs is selected by a traveler's operation, the LED of the digital camera 10 corresponding to the selected camera ID emits light.
  • the digital camera 10 to be connected can be confirmed before connection, and the operability is improved.
  • the plurality of digital cameras 10, 10,... Have different specifications (imaging mode, live image data frame rate, still image data resolution, optical zoom magnification, electronic zoom capability, ISO sensitivity, white balance type, camera shake function, etc. And is present in a state where it can be connected to the smartphone 10.
  • each digital camera 10 transmits its specification information to the smartphone 50.
  • the smartphone 50 identifies the highest quality setting that can be set by any of the plurality of connected digital cameras 10, 10,..., And requests the plurality of digital cameras 10, 10,.
  • common and high-quality live image data can be received from the plurality of digital cameras 10, 10,.
  • a single digital camera 10 is connected to a plurality of smart phones 50, 50,.
  • the digital camera 10 is provided with an LED.
  • time information, position information, and altitude information at the time of the operation are detected by the smartphone 50.
  • the detected time information, position information, and altitude information are described in an imaging instruction issued in response to the imaging operation.
  • the digital camera 10 that has received the imaging instruction assigns time information, position information, and altitude information described in the imaging instruction to still image data created in response to the imaging instruction. There is no need to provide a clock circuit, a GPS device, and an altimeter in the digital camera 10.
  • the digital camera 10 is provided with a clock circuit that measures the local time.
  • the local time measured by the clock circuit is assigned to the still image data created in response to the operation of the shutter button 34sh.
  • the digital camera 10 is connected to the smartphone 50, the standard time detected by the smartphone 50 is notified to the digital camera 10.
  • the digital camera 10 calculates a difference between the notified local time and the notified standard time, and corrects the local time assigned to the still image data based on the calculated difference. As a result, a standard time is assigned to the still image data. [Modification 6]
  • the smartphone 10 is connected to a plurality of digital cameras 10, 10,... Having different optical system specifications (aperture setting range, focus adjustment range, zoom magnification variable range). Each digital camera 10 notifies the smartphone 10 of optical system specifications and optical settings (aperture amount, number of focus steps, and number of zoom steps). The notification of the optical setting is executed every time the optical setting is changed. The smartphone 10 displays the notified specifications and optical settings on the LCD monitor 72 in a manner that allows comparison between cameras. The operability when adjusting the optical settings of the connected digital camera 10 is improved.
  • the structure of the diaphragm mechanism such as the number of diaphragm blades and the shape of the diaphragm is additionally notified to the smartphone 50 as part of the specifications of the optical system.
  • the digital camera 10 assigns an identification number according to the connection order to each connected smartphone 50.
  • the identification number assigned to the destination smartphone 50 is added to the live image data transferred from the digital camera 10 to each smartphone 50.
  • outer frame characters having different colors are multiplexed according to the identification numbers added in this way.
  • Each smartphone 50 notifies the digital camera 10 of imaging conditions (white balance, image finishing, image size, etc.) of the digital camera 10.
  • the digital camera 10 manages the notified imaging conditions for each smartphone 50. For example, for a certain smartphone 50, white balance: auto / image finishing: vivid / compressed image size: 16 MB, and for other smartphones 50, white balance: sunlight / image finishing: landscape / compressed image size: 2M Management that uses bytes is considered.
  • the digital camera 10 acquires still image data with quality according to the imaging conditions notified from the issuing smartphone 50. Thereby, the quality of still image data can be adjusted adaptively.
  • the digital camera 10 When the digital camera 10 is connected to the smartphone 50, the battery consumption of the digital camera 10 increases as compared to when the digital camera 10 is not connected. Based on this, the digital camera 10 periodically transmits the remaining battery level to the connected smartphone 50, and further releases the connection with the smartphone 50 when the remaining battery level falls below the reference. Note that when the remaining amount of the battery increases due to charging, the digital camera 10 tries to connect to the smartphone 50 or accepts a connection request from the smartphone 50. On the other hand, the smartphone 50 connected to the digital camera 10 displays the remaining battery level transmitted from the digital camera 10 on the LCD monitor 72, and the smartphone 50 is operated to release the connection with the digital camera 10 according to the remaining battery level. Encourage people. [Modification 12]
  • the quality (frame rate and resolution) of live image data transferred from the digital camera 10 to the smartphone 50 is adjusted according to the time zone.
  • the quality of the live image can be controlled adaptively.
  • the live image transmitted from the digital camera 10 is displayed on the LCD monitor 72 of the smartphone 50, and the imaging operation is received in two stages on the displayed live image.
  • the first stage operation corresponds to an operation for instructing execution of the strict AE process and the AF process
  • the second stage operation corresponds to an operation for instructing execution of a still image capturing process.
  • the digital camera 10 increases the quality (frame rate and resolution) of the live image data when receiving an instruction in response to the first-stage operation, and based on the quality of the live image data after the acquisition of the still image data is completed. return. This improves the visibility of the subject during the period from the first stage operation to the second stage operation.
  • Procedure 1 The smart phone 50 registers a user's face image.
  • Procedure 2 The smartphone 50 adds the registered face image to the connection request transmitted to the digital camera 10.
  • Procedure 3 The digital camera 10 searches a face part that matches the face image added to the connection request from the visual field, and establishes a connection with the requesting smartphone 50 when the matching face part is detected.
  • Method 2 The smartphone 10 issues a connection request to the digital camera 50.
  • Procedure 2 The digital camera 10 transmits an authentication code such as a QR code (registered trademark) or a light emission pattern code to the smartphone 50.
  • Procedure 3 The smartphone 50 outputs the received authentication code. If the authentication code is a QR code, a QR code image is displayed on the LCD monitor 72. If the authentication code is a light emission pattern code, the LED is blinked with a specific light emission pattern.
  • Procedure 4 The digital camera 10 establishes a connection with the smartphone 50 when the authentication code is detected from the visual field (when a QR code image or a specific light emission pattern appears in the visual field). [Modification 16]
  • a plurality of digital cameras 10, 10,... are connected to a single smartphone 50.
  • the smartphone 50 continuously issues a zoom-in instruction or a zoom-out instruction to each digital camera 10.
  • the zoom magnification may be different between cameras before the batch zoom-in operation or the batch zoom-out operation is accepted (for example, the zoom magnification of a certain digital camera 10 is set to 3.0 times, and other zoom magnification is different). (When the zoom magnification of the digital camera 10 is set to 2.0). Based on this, a zoom-in instruction or a zoom-out instruction is issued as follows.
  • a zoom-in instruction is issued in advance to the digital camera 10 set to a low zoom magnification value. If the accepted operation is a batch zoom-out operation, a zoom-out instruction is issued in advance to the digital camera 10 set to a high zoom magnification. Thus, when the difference in zoom magnification is resolved, a zoom-in instruction or a zoom-out instruction is issued to all the digital cameras 10 simultaneously.
  • a plurality of smartphones 50, 50,... are connected to the digital camera 10.
  • the digital camera 10 acquires still image data in response to an imaging instruction issued from any of the smartphones 50, and creates screen nail image data based on the acquired still image data.
  • the digital camera 10 adjusts the resolution of the screen nail image data with reference to the specification of the smartphone 50 that issued the imaging instruction.
  • the resolution of the screen nail image data increases as the resolution of the LCD monitor 72 provided in the smartphone 50 increases, and decreases as the resolution of the LCD monitor 72 provided in the smartphone 50 decreases.
  • live image data may be transmitted to each smartphone 50 by the unicast method, and the resolution of the transmitted live image data may be adjusted according to the specification of the destination smartphone 50.
  • a plurality of smartphones 50, 50,... are connected to the digital camera 10.
  • the digital camera 10 transmits the still image data acquired in response to the first imaging instruction to the other smartphones 50 that issued the imaging instruction at a predetermined time after that in addition to the smartphone 50 that issued the first imaging instruction. To do. [Modification 19]
  • the manual mode corresponds to a mode in which the imaging conditions are adjusted according to a user operation on the smartphone 50
  • the auto mode corresponds to a mode in which the imaging conditions are adjusted uniformly.
  • the digital camera 10 permits the smartphone 50 to switch the imaging mode between the manual mode and the auto mode.
  • the digital camera 10 prohibits switching of the imaging mode and selects the auto mode fixedly.
  • a plurality of digital cameras 10 are installed in a sightseeing spot, and a smartphone 50 is carried by a traveler who has visited the sightseeing spot.
  • a smartphone 50 is connected to at least one digital camera 10
  • each digital camera 10 takes an image at an optimal timing and / or angle of view, and the still image data acquired thereby is sent to the traveler's smartphone 50.
  • the optimal timing and / or angle of view also includes the timing and / or angle of view at which the traveler is captured.
  • a single digital camera 10 and a single smartphone 50 are connected to each other.
  • the shutter button 34sh of the digital camera 10 is operated and at the same time an imaging operation is performed on the smartphone 50, on condition that the digital camera 10 is moving (someone has the digital camera 10 in hand), The operation of the shutter button 34sh is accepted with priority.
  • the digital camera 10 notifies the smartphone 50 that the imaging operation is prohibited or restricted. [Modification 23]
  • a single digital camera 10 and a plurality of smartphones 50, 50,... are connected to each other.
  • a desired URL or address is described as transmission destination information.
  • Still image data acquired by the digital camera 10 in response to the imaging instruction is captured by relaying any one of a plurality of smartphones 50, 50,... Connected to the digital camera 10 or other communication devices. It is sent to the desired URL or address described in the instruction.
  • the smartphone 50 or communication device to be relayed is described as relay device information in the imaging instruction.
  • Still image data acquired by the digital camera 10 in response to an imaging instruction is transmitted to a desired URL or address via a relay device described in the imaging instruction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Studio Devices (AREA)
  • Telephone Function (AREA)

Abstract

Selon l'invention, une unité centrale de traitement (CPU) de téléphone intelligent (60) reçoit, par l'intermédiaire d'une interface de communication (64), des données d'image réelle à partir d'une pluralité d'appareils photographiques numériques connectés ad hoc, et affiche, sur un dispositif de surveillance à cristaux liquides (LCD) (72), une pluralité d'images réelles sur la base des données d'image réelle reçues. La CPU de téléphone intelligent (60) mesure également l'intensité des ondes radio reçues par l'intermédiaire de l'interface de communication (64) pour chaque appareil photographique numérique, et commande la position de la pluralité d'images réelles affichées sur le dispositif de surveillance LCD (72) conformément à l'intensité mesurée.
PCT/JP2012/075466 2011-10-05 2012-10-02 Équipement électronique et appareil photographique électronique WO2013051532A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011221105 2011-10-05
JP2011-221105 2011-10-05

Publications (1)

Publication Number Publication Date
WO2013051532A1 true WO2013051532A1 (fr) 2013-04-11

Family

ID=48043689

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/075466 WO2013051532A1 (fr) 2011-10-05 2012-10-02 Équipement électronique et appareil photographique électronique

Country Status (2)

Country Link
JP (1) JP2013093842A (fr)
WO (1) WO2013051532A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106716986B (zh) * 2014-09-11 2019-05-10 富士胶片株式会社 摄像控制装置、摄像控制方法、摄像系统及程序

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10229481A (ja) * 1997-02-14 1998-08-25 Tec Corp ファクシミリ装置
JP2001197298A (ja) * 2000-01-07 2001-07-19 Minolta Co Ltd 画像データの送信方法および通信端末装置
JP2006122502A (ja) * 2004-10-29 2006-05-18 Olympus Corp 画像処理方法及びカプセル型内視鏡装置
JP2009033565A (ja) * 2007-07-27 2009-02-12 Ihi Corp 周辺状況捕捉システムの信号中継伝送方法及び中継器ユニット
JP2009182990A (ja) * 2009-05-18 2009-08-13 Panasonic Corp 付属装置、撮像装置、通信装置および撮像システム
JP2011155434A (ja) * 2010-01-27 2011-08-11 Elmo Co Ltd 資料提示システム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10229481A (ja) * 1997-02-14 1998-08-25 Tec Corp ファクシミリ装置
JP2001197298A (ja) * 2000-01-07 2001-07-19 Minolta Co Ltd 画像データの送信方法および通信端末装置
JP2006122502A (ja) * 2004-10-29 2006-05-18 Olympus Corp 画像処理方法及びカプセル型内視鏡装置
JP2009033565A (ja) * 2007-07-27 2009-02-12 Ihi Corp 周辺状況捕捉システムの信号中継伝送方法及び中継器ユニット
JP2009182990A (ja) * 2009-05-18 2009-08-13 Panasonic Corp 付属装置、撮像装置、通信装置および撮像システム
JP2011155434A (ja) * 2010-01-27 2011-08-11 Elmo Co Ltd 資料提示システム

Also Published As

Publication number Publication date
JP2013093842A (ja) 2013-05-16

Similar Documents

Publication Publication Date Title
CN108111754B (zh) 一种确定图像采集模式的方法及移动终端
JP5893434B2 (ja) 電子カメラ
JP2018061290A (ja) 撮像装置、撮像方法、及びプログラム
WO2013051533A1 (fr) Appareil photo électronique
WO2013051534A1 (fr) Dispositif électronique et appareil photographique électronique
WO2013051536A1 (fr) Appareil photo électronique
CN111147744B (zh) 拍摄方法、数据处理方法、装置、电子设备及存储介质
WO2013051535A1 (fr) Appareil photo électronique
WO2013051546A1 (fr) Appareil photo électronique
WO2013051532A1 (fr) Équipement électronique et appareil photographique électronique
JP5944180B2 (ja) 電子機器
WO2013051544A1 (fr) Dispositif électronique
WO2013051542A1 (fr) Appareil photographique électronique
WO2013051538A1 (fr) Dispositif électronique et appareil photographique électronique
WO2013051537A1 (fr) Dispositif électronique
WO2013051543A1 (fr) Appareil photo électronique
JP2011172088A (ja) 電子機器
WO2013051547A1 (fr) Appareil photo électronique
JP5959916B2 (ja) 電子カメラ
WO2013051541A1 (fr) Appareil photographique électronique et dispositif électronique
JP5253600B2 (ja) 携帯端末
JP2009224935A (ja) 携帯端末
JP2020036366A (ja) 電子機器及び撮像方法
JP2019054521A (ja) 電子機器及びプログラム
JP2017060170A (ja) 電子機器及びプログラム

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12837737

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12837737

Country of ref document: EP

Kind code of ref document: A1