WO2005002218A1 - 撮像装置、画像記録装置および画像記録方法 - Google Patents
撮像装置、画像記録装置および画像記録方法 Download PDFInfo
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- WO2005002218A1 WO2005002218A1 PCT/JP2004/009236 JP2004009236W WO2005002218A1 WO 2005002218 A1 WO2005002218 A1 WO 2005002218A1 JP 2004009236 W JP2004009236 W JP 2004009236W WO 2005002218 A1 WO2005002218 A1 WO 2005002218A1
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- 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
- H04N1/00281—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 a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
- H04N1/00283—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 a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
-
- 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
- H04N1/00129—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 a display device, e.g. CRT or LCD monitor
-
- 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
- H04N1/00249—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 a photographic apparatus, e.g. a photographic printer or a projector
- H04N1/00251—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 a photographic apparatus, e.g. a photographic printer or a projector with an apparatus for taking photographic images, e.g. a camera
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- 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
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- 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
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
- H04N5/772—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera the recording apparatus and the television camera being placed in the same enclosure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- 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
- H04N2201/001—Sharing resources, e.g. processing power or memory, with a connected apparatus or enhancing the capability of the still picture apparatus
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- 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
- H04N2201/0089—Image display device
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- 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
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- 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
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
Definitions
- Imaging device Description Imaging device, image recording device, and image recording method
- the present invention relates to an image capturing apparatus that captures and records an image, an image recording apparatus, and an image recording method, and more particularly, to an image capturing apparatus, an image recording apparatus, and an image suitable for an image captured by a plurality of image capturing apparatuses Regarding the recording method.
- video cameras usually record audio along with images, but when switching image signals from multiple video cameras, compared to scene transitions on the screen and screen disturbances that occur at that time, It is often the case that the unnatural way of connecting the voices between the switching causes greater discomfort to the viewer. However, reducing such discomfort when switching voices has not been considered before.
- a small transmitter or a wireless tag As a method of carrying, it is necessary to introduce a communication system using such small transmitters and wireless tags separately from the transmission and reception of images and voices, which leads to an increase in equipment costs and an increase in the size of the equipment. .
- the method of switching images based on the voice level of each subject is suitable for a specific use such as a conference, and has low versatility.
- the present invention has been made in view of such a problem, and an object of the present invention is to provide an imaging apparatus capable of selectively recording an image captured by the own device and an image captured by another device.
- Another object of the present invention is to provide an image recording device capable of selectively recording images captured by a plurality of imaging devices.
- Still another object of the present invention is to provide an image recording method for selectively recording a captured image of the own device and a captured image of another device. Disclosure of the invention
- an imaging device that captures and records an image, comprising: an imaging unit that captures an image; a communication unit that transmits and receives signals between one or more external imaging devices; Display means for displaying an image; an image picked up by the image pickup means; and a received image picked up and transmitted by the external image pickup device and received by the communication means, and are simultaneously displayed on the display means.
- Image combining means for displaying, image selecting means for selecting a desired image from the captured image and the received image, and recording means for recording a signal of the image selected by the image selecting means on a recording medium.
- an image can be captured by the imaging unit, and an image captured and transmitted by the external imaging device can be received via the communication unit.
- the image synthesizing means includes an image captured by the imaging means, A received image from an external imaging device is combined and simultaneously displayed on the display means.
- the image selecting means selects a desired image from the captured image and the received image.
- the recording means records a signal of the image selected by the image selecting means on a recording medium. Therefore, the user can browse the image displayed on the display means, select the desired image by the image selection means, and record the desired image on the recording medium.
- a signal of a captured image may be transmitted to an external imaging device using a communication unit.
- a communication unit it is possible to mutually transmit and receive an image captured by the own device and an image captured by another device between a plurality of imaging devices having the same configuration, and to selectively record the image.
- an image recording method for recording an image captured by a plurality of imaging devices in each of the imaging devices, a signal of an image captured by the own device is transmitted to another device; A signal of an image captured by another device is received, an image captured by the own device and a received image from the other device are combined and displayed on a screen at the same time, and the image captured by the own device and the image from the other device are displayed.
- an image recording method characterized by selecting a desired image from received images and recording the signal on a recording medium.
- each imaging device that is capturing an image a signal of an image captured by the own device is transmitted to another device, and a signal of an image captured by the other device is received.
- the image picked up by the device and the image received from the other device are combined and displayed on the screen at the same time, a desired image is selected from these images, and the signal is recorded on the recording medium. Therefore, it is possible to mutually transmit and receive an image captured by the own device and an image captured by another device between a plurality of imaging devices having the same configuration, and to selectively record the image.
- the user of each imaging device can browse images displayed on the screen, select a desired image, and record the selected image on a recording medium.
- FIG. 1 is a block diagram showing an internal configuration of a digital video camera according to an embodiment of the present invention.
- FIG. 2 is a diagram showing a configuration of a camera system including the digital video camera according to the embodiment of the present invention.
- FIG. 3 is a block diagram showing functions in a control unit for realizing an operation of selectively recording a captured image of the own device and a received image from another device.
- FIG. 4 is a diagram for explaining a decompression decoding process using one video decoder.
- FIG. 5 is a diagram showing an example of a screen configuration of a composite image displaying a captured image of the own device and a received image from another device.
- FIG. 6 is a flowchart showing a flow of processing when selectively recording an image captured by the own device and an image received from another device.
- FIG. 7 is a block diagram showing functions in a control unit for realizing an operation of automatically selecting and recording a captured image of the own device and a received image from another device by image recognition.
- 8A to 8B are diagrams for explaining a color recognition process as an example of the image recognition process.
- FIG. 9 is a flowchart showing a processing flow according to the first image selection method.
- FIG. 10 is a flowchart showing the flow of processing according to the second image selection method.
- FIG. 11 is a flowchart showing the flow of processing according to the third image selection method.
- FIG. 12 is a diagram showing an example of a camera arrangement when photographing a runner on a track of a stadium. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 2 is a diagram showing a configuration of a camera system including the digital video camera according to the embodiment of the present invention.
- a camera system is composed of a plurality of digital video power cameras 1 to 3 capable of capturing an image and recording the image as a digital data on a recording medium.
- Each of the digital video cameras 1 to 3 can mutually transmit and receive data by wireless communication.
- Each of the digital video cameras 1 to 3 has a function of transmitting data of an image captured by its own device to another device and a function of receiving data of an image captured by another device. Further, each of the digital video cameras 1 to 3 can selectively record an image captured by its own device and an image received from another device on a recording medium.
- Such a camera system may be used, for example, in a sports day, sports, wedding, party, etc., where multiple spectators and attendees bring digital video cameras 1-3. And so on.
- each digital video camera 1 to 3 can selectively record the image captured by itself and the image received from another device, so that each user can enhance the content of the image to be recorded. This has the effect of reducing the chance of missing a photo opportunity.
- FIG. 2 shows an example in which three digital video cameras 1 to 3 exist, but this camera system is applicable when there are two or more digital video cameras.
- FIG. 1 is a block diagram showing an internal configuration of a digital video camera according to an embodiment of the present invention. Although FIG. 1 illustrates the digital video camera 1 as a representative, it is assumed that the other digital video cameras 2 and 3 have the same configuration.
- the digital video camera 1 has a camera block 10, a camera signal processing unit 20, a video encoder 30, a video decoder 40, an audio processing unit 50, a control unit 60, and an LCD controller 7. 0, LCD 80, evening touch panel 90, input unit 100, tape deck unit 110, and wireless communication module 120.
- the camera block 10 includes an optical block provided with a plurality of lenses, an image sensor such as a CCD (Charge Coupled Device), a preprocessing circuit, a driver for the optical block and the CCD, a timing generation circuit, and the like ( Both are not shown).
- the camera block 10 photoelectrically converts the light incident on the optical block by the image sensor, performs sample hold and AGC (Auto Gain Control) processing by the pre-processing circuit, performs AZD conversion, and performs digital-to-digital conversion. Output image data.
- the operation of the optical block and the imaging device is controlled based on a control signal from the control unit 60.
- the camera signal processing unit 20 processes camera signals such as AWB (Auto Whit Balance) processing, AF (Auto Focus) processing, and AE (Auto Exposure) processing for the image data output from the camera block 10. Perform processing.
- the processed image data is output to the video encoder 30 and the control unit 60.
- the video encoder 30 performs a compression encoding process on the image data that has been subjected to the camera signal processing in a predetermined moving image data format such as an MPEG (Moving Picture Experts Group) method, and the encoded image data is encoded.
- the image data is supplied to the control unit 60.
- the video decoder 40 performs a decompression decoding process on the image data received from the control unit 60, and supplies the decoded image data to the control unit 60.
- the audio processing unit 50 is configured by an amplifier, an AZD converter, a D / A converter, a processing circuit for performing compression / encoding and Z-decompression decoding processing, and the like.
- a microphone 51 and a speech force 52 are connected to the voice processing unit 50.
- the audio processing unit 50 amplifies the audio signal collected by the microphone 51, converts it into a digital signal, and further compresses and encodes the audio signal in a predetermined audio data format such as the MPEG-AUDIO method to control the audio signal. Output to part 60.
- an external input terminal for an analog audio signal may be provided, and the input signal from the external input terminal may be compression-encoded in the audio processing unit 50 and supplied to the control unit 60.
- the coded data of the voice supplied from the control unit 60 is subjected to decompression and decoding processing, converted into an analog signal, amplified, and reproduced and output from the speaker 52.
- the control unit 60 is a microcomputer that controls the entire digital video camera 1, and has a configuration in which, for example, a CPU, a RAM, a ROM, and the like are connected via a system bus (all are not shown).
- a flash type EPROM Electrically erasable read-only memory
- a control signal for controlling each part of the digital video camera 1 is output by a CPU executing a program stored in advance in a ROM composed of an Erasable Programmable ROM (ROM). Also, DR A RAM such as an AM (Dynamic RAM) is mainly used as a work area for the CPU, for example, to temporarily store the results of processing.
- AM Dynamic RAM
- the LCD controller 70 generates an image signal to be displayed on the LCD 80 from the image data supplied from the control unit 60, supplies this to the LCD 80, and displays the image.
- the LCD panel 90 is provided with a touch panel 90 so that the user can perform an input operation by pressing the screen with a finger or a pointing device.
- the input unit 100 is composed of other various buttons, levers, dials, and the like. When an input operation is performed on the touch panel 90 and the input unit 100, a control signal is output from these to the control unit 60.
- a video cassette 111 with a built-in magnetic tape is detachably mounted as a recording medium for recording image data and audio data.
- the tape deck section 110 modulates the image and sound data supplied from the control section 60 and writes the modulated data on the magnetic tape in the video cassette 111. Further, the signal read from the magnetic tape is demodulated and supplied to the control unit 60.
- the wireless communication module 120 performs antennas and RF transceivers for signal transmission and reception using a modulation method such as OFDM (Orthogonal Frequency Division Multiplexing), baseband processing, and interface processing with the control unit 60.
- a wireless communication with the external digital video cameras 2 and 3 is performed in accordance with a communication procedure controlled by the control unit 60.
- a wireless communication standard for example, an IEEE (Institute of Electrical and Electronic Engineers) 802.11 g wireless LAN or the like is used.
- the captured image data is transmitted from the camera signal processing unit 20 to the video encoder 30 and subjected to compression encoding processing, and the predetermined
- the video data is converted into data of the moving image format and input to the control unit 60 as a video stream.
- the audio signal collected by the microphone 51 is subjected to a compression encoding process in an audio processing unit 50, converted into a predetermined audio format, and sent to the control unit 60 as an audio stream. Is entered.
- the video stream and the audio stream are multiplexed in the control unit 60, output to the tape deck unit 110, subjected to a predetermined modulation process, etc., and then subjected to magnetic recording in the video cassette 111.
- the tape deck 110 is separated into a video stream and an audio stream by the controller 60. .
- the video stream is decompressed and decoded in the video decoder 40 and input to the LCD controller 70 via the control unit 60.
- a reproduced image is displayed on the LCD 80.
- the audio stream is decompressed and decoded in the audio processing unit 50, and the audio is reproduced and output from the speaker 52.
- the image data output from the camera signal processing unit 20 is controlled by the control unit.
- the signal is input to the wireless communication module 120 via the unit 60, and is wirelessly transmitted according to a predetermined wireless communication procedure.
- the data received by the wireless communication module 120 is input to the control unit 60.
- the video stream is separated. This video stream is decompressed and decoded by the video decoder 40, and the decoded image data is output to the LCD controller 70 via the control unit 60, and the received image is displayed on the LCD 80. You. Also, in response to an input operation from the input unit 100 or the input panel 90, the separated video stream is output from the control unit 60 to the tape deck unit 110, and the magnetic tape in the video cassette 111 is output. Recorded in.
- the compression processing is performed by the sound processing unit 50.
- the recorded audio data is always recorded on magnetic tape.
- the digital video camera 1 receives the images captured by the other digital video cameras 2 and 3 by the wireless communication module 120 together with the images captured by the camera block 10, These images are combined and displayed on the LCD 80 at the same time, a desired image can be selected, and the image can be recorded on the video cassette 11.
- a desired image can be selected, and the image can be recorded on the video cassette 11.
- FIG. 3 is a block diagram showing functions in the control unit 60 for realizing an operation of selectively recording a captured image of the own device and a received image from another device.
- images captured by digital video cameras 1 to 3 are referred to as image A, image B, and image C, respectively.
- the control unit 60 includes an image synthesizing unit 61 for synthesizing and displaying each image, a recording control unit 62 for selectively recording each image, and a received signal. And a data separation unit 63 for separating an image signal from the image data.
- the image synthesizing unit 61 receives the data of the camera through image (image A) from the camera signal processing unit 20 and the data of the images B and C decompressed and decoded by the video decoder 40.
- the image synthesizing unit 61 generates a synthesized image by synthesizing these input images on one screen, and outputs the synthesized image to the LCD controller 70.
- the image selected to be recorded is displayed in the largest size in response to a control signal from the evening touch panel 90, and the other images are made smaller as small screens or split screens. Is displayed.
- the data of the image A compressed and encoded by the video encoder 30 and the data of the images B and C separated from the received signal by the data separation unit 63 are input to the recording control unit 62.
- the recording control unit 62 outputs a selected one of these image data to the tape deck unit 110 in response to a control signal from the evening switch panel 90, and outputs the selected image data from the video cassette 111.
- On a magnetic tape On a magnetic tape.
- the data separation unit 63 separates the data of the images B and C transmitted from the digital video cameras 2 and 3 from the signal received by the wireless communication module 120, and outputs the data to the recording control unit 62 and the video decoder. Output to 40.
- communication is performed between the digital video cameras 1 to 3 by wireless LAN
- communication is performed between the cameras in an “ad hoc mode” that does not involve an access point.
- the image captured by one digital video camera is replaced with one or more other digital video cameras.
- One communication channel is used to transmit to the video camera. Therefore, in the digital video camera 1, communication using individual communication channels is performed for receiving the images B and C from the digital video cameras 2 and 3, respectively.
- the data separation section 63 identifies the received packet of each communication channel and extracts each data of the images B and C.
- the data of the images B and C separated by the data separation unit 63 are subjected to decompression decoding processing by the video decoder 40 and input to the image synthesis unit 61.
- decompression decoding processing by the video decoder 40 and input to the image synthesis unit 61.
- video decoders 40 are provided for the number of received images, and decompression decoding processing of each image is performed.
- a single video decoder 40 may be used to execute the decompression decoding processing of each image in a time-division manner.
- FIG. 4 is a diagram for explaining a decompression decoding process using one video decoder 40.
- the RAM in the control unit 60 is used as a buffer 64 for temporarily storing image data.
- the buffer 64 stores areas 64a to 64c in which data of the images A to C which are not subjected to the compression encoding are stored, and data of the images B and C which are subjected to the compression encoding, respectively. Regions 64 d and 64 e. Note that these buffer areas may be realized by a frame memory (not shown) connected to the camera signal processing unit 20, the video encoder 30, the video decoder 40, or the like.
- the data separation section 63 separates each data of the images B and C from the received packet, and sequentially writes them in the areas 64d and 64e, respectively. Also, the de-multiplexer 63 converts video information including, for example, the number of channels corresponding to the number of received images and the channel number for identifying the images into video deco. Output to coder 40.
- channel numbers “Ch-1” and “Ch-2” are assigned to images B and C, respectively.
- the video decoder 40 determines a read / write area for the buffer 64 based on the notified channel information.
- the image B data is first read from the area 64 d as the processing for “Ch-1”, the decompression decoding processing is performed, and the processing result is stored in the area.
- the data of the image C is read from the area 64 e as the processing of “Ch-2”, the decompression decoding processing is performed, and the processing result is written to the area 64 c.
- FIG. 5 is a diagram showing an example of a screen configuration of a composite image displaying a captured image of the own device and a received image from another device.
- the composite display image 200 shown in FIG. 5 includes a main screen 201 and two child screens 202 and 203.
- the main screen 201 displays an image currently selected as a recording target, and the sub-screens 202 and 203 display non-selected images. Then, when the user operates the sub screen 202 or 203 using the evening touch panel 90, the image of the selected sub screen 202 or 203 is recorded and The image and the image of the parent screen 201 are displayed interchangeably. Therefore, the user can view the synthesized display image 200 You can select images to record while viewing all images that can be recorded simultaneously.
- the composite image of the images A, B, and C is not limited to the above image.
- the screen may be divided so that images A, B, and C are displayed in the respective areas.
- the selected image may be specified, for example, by changing the color of the frame of the display area without changing the display area according to the selection. In this case, the image captured by the own device may always be displayed in the largest size.
- FIG. 6 is a flowchart showing a processing flow when selectively recording an image captured by the own device and an image received from another device.
- step S61 images A, B and C are combined and displayed on LCD 80.
- the data of the image A output from the camera signal processing unit 20 is sequentially written to the area 64 a of the buffer 64.
- Each of the images B and C from the digital video cameras 2 and 3 is decompressed and decoded by the video decoder 40, and the processed data is sequentially written to the areas 64b and 64c.
- the image synthesizing section 61 synthesizes the images by controlling the reading position from the buffer 64 according to the selection of the images. In the initial state, for example, the image A captured by the own device is selected, and the image A is displayed on the main screen 201.
- step S62 it is determined whether or not an image selection operation using the evening touch panel 90 has been performed based on the presence or absence of a control signal from the evening touch panel 90.
- the process proceeds to step S63, and when the selection operation has not been performed, the process proceeds to step S64.
- step S63 the image synthesizing unit 61 switches the display screen of the LCD 80 according to the selection in step S62.
- the composite display image 200 as shown in FIG. 5 is displayed, the read position from the buffer 64 is controlled, and the selected image is displayed on the main screen 201.
- step S64 the control signal from a predetermined switch provided in the input unit 100 or the control signal from the evening switch panel 90 in response to the evening switch operation on the switch button displayed on the LCD 80 is displayed. Based on the presence or absence, it is determined whether or not a recording start operation has been performed. If an operation has been performed, the process proceeds to step S65, and if not, the process returns to step S62.
- step S65 the data of the image selected at this time is recorded on the magnetic tape of the video cassette 111 together with the audio data from the audio processing unit 50.
- the audio data to be recorded is not limited to the data from the audio processing unit 50.
- the audio data may be received from another digital video camera together with the image data, and the audio data may be recorded.
- another recording medium such as a general-purpose semiconductor memory is mounted, audio data recorded on this recording medium may be read out and recorded on a magnetic tape.
- step S66 similarly to step S62, it is determined whether or not an image selection operation has been performed. If the image selection operation has been performed, the process proceeds to step S67. Otherwise, the process proceeds to step S68. Proceed to.
- step S67 the image synthesizing unit 61 switches the display screen of the LCD 80 according to the selection in step S66.
- the recording control unit 62 switches the input of the image data, and records the selected image on the tape deck unit 110. At this time, audio data is not switched and recording is continued.
- step S68 it is determined whether or not to end the recording operation based on the presence or absence of the control signal from the input unit 100 or the touch panel 90. If not, the process returns to step S66.
- each digital video camera captures not only the image captured by itself but also the external digital video camera.
- the transmitted image can be received by wireless communication, a desired image can be selected and recorded on a magnetic tape. Therefore, the users of each digital video camera can effectively utilize the images captured by each digital video camera to enrich the content of the recorded images, and rarely miss shooting opportunities. Become.
- by combining the recordable images and displaying them simultaneously on the LCD 80 so that a desired image can be selected a selection operation can be performed while browsing all the images, thereby improving operability.
- the connection of the audio at the time of switching the image becomes unnatural, and the viewer is not provided with It does not cause discomfort, and the quality of the recorded content can be further improved.
- any one of the images A, B, and C is recorded on the magnetic tape, but the data of a composite image obtained by combining these images may be recorded. Good. Even in this case, the composition position of each image may be easily moved by a selection operation from the touch panel 90 or the like.
- the data of the composite image generated in the image compositing section 61 is output to a video encoder 30 for compression encoding, and the processed data is recorded on a tape deck. Output to unit 110 for recording on magnetic tape. Therefore, it is necessary to be configured so that the compression encoding processing of the two systems of images can be executed in parallel.
- the digital video camera of the transmission source may be notified of the selection of the image by wireless communication.
- the notified digital video camera for example, changes the color of the frame of the image captured by the own device displayed on the LCD, and clearly indicates that the image captured by the own device is recorded by another device. Make the user aware of this.
- FIG. 7 is a block diagram showing functions in the control unit 60 for realizing an operation of automatically selecting and recording a captured image of the own device and a received image from another device by image recognition. .
- the control unit 60 of the digital video camera includes an image synthesizing unit 61, a recording control unit 62, and a data separating unit 63, as well as features for setting the characteristics of the subject.
- the feature setting unit 65 receives an input setting for the feature of the subject to be image-recognized and notifies the image recognition processing unit 66.
- Input settings are, for example, LC Select the target subject from the image displayed on D80 by clicking or dragging using the touch panel 90, or
- the image recognition processing unit 66 is notified by the feature setting unit 65 from the data of the image A from the camera signal processing unit 20 and the images B and C that have been decompressed and decoded by the video decoder 40. Image recognition processing is performed based on the obtained feature information, and an image including the target subject is notified to the priority order determination unit 67.
- the information on the priority order of the images is arbitrarily set by the user's operation input from the touch panel 90 or the input unit 100.
- FIGS. 8A to 8B are diagrams for explaining color recognition processing as an example of image recognition processing.
- Image recognition processing applicable to this digital video camera includes, for example, color recognition processing.
- color recognition processing it is determined whether or not this color is included in the image by using a specific color characteristic of the subject as characteristic information. For example, when an athlete in an athletic meet is to be recorded, this can be achieved by giving the athlete a repong of a characteristic color that is rarely present in the surrounding area.
- FIG. 8A schematically shows a part of a pixel array of an image to be processed.
- the image recognition processing unit 66 cumulatively calculates the number of pixels of each color within a predetermined area from the color information of each pixel of the input image, and calculates a histogram as shown in FIG. 8B. I do. This makes it possible to determine whether or not the image is to be recorded, based on whether or not there is a pixel of the desired color set in advance by the feature setting unit 65.
- a method of extracting a target subject from an image based on feature points of a shape is also applicable.
- information on the geometric characteristics of the face of the target person including the shape, arrangement, etc. of the face, such as eyes, mouth, and nose
- a method of pattern recognition of the person's face by capturing it as an image is considered.
- the object coding method is used as the coding method of the image to be recognized, the accuracy of extracting the target object can be efficiently increased.
- the description returns to FIG.
- the image recognition processing unit 66 notifies the priority order determining unit 67 of the image.
- the priority determination unit 67 notifies the image combining unit 61 and the recording control unit 62 of the notified image as it is.
- the image synthesizing unit 61 generates an image in which the selected image is specified, for example, displays the notified image on the main screen, and displays the image on the LCD 80.
- the recording control unit 62 selects the notified image, outputs the image to the tape deck unit 110, and records it on the magnetic tape.
- the priority determination unit 67 determines the notified image based on the preset priority of the images.
- This priority can be set arbitrarily by the user.For example, the priority of a camera installed at a position where the distance to the subject is short is increased, or a better image is taken according to the angle to the subject. Criteria for setting the ranking, such as increasing the priority of possible cameras, can be applied.
- the image recognition processing unit 66 may select an image based on a preset priority.
- FIG. 9 is a flowchart showing the flow of processing by the first image selection method.
- step S91 if at least one image including the target subject is notified from the image recognition processing unit 66 to the priority determination unit 67, the process proceeds to step S92, and at least one is notified. If not, go to step S93.
- step S92 the priority determining unit 67 selects an image having the highest priority set in advance from the notified images, and combines this image with the image synthesizing unit 61 and the recording control unit 62. Notify. As a result, the selected image is recorded on the magnetic tape.
- step S93 the priority determination unit 67 selects the image having the highest priority from all the images, and notifies the image combining unit 61 and the recording control unit 62 of this image. As a result, the selected image is recorded on the magnetic tape.
- the first image selection method described above involves, for example, taking a basic image, such as a broadcast of baseball, and determining the most frequently selected camera in advance. It is suitable for cases where switching to images from other cameras is extremely small.
- FIG. 10 is a flowchart showing the flow of processing according to the second image selection method.
- Steps S101 and S102 are the same as those in FIG. 9, and when at least one image including the target subject is notified from the image recognition processing unit 66, the priority determination unit 67 The image with the highest priority among the notified images is notified. If no image is notified in step S101, the process proceeds to step S103.
- step S103 it is determined whether or not an image including the target subject has been notified from the start of recording of the image stream to the present, and if no notification has been received, step S104 is performed. The process proceeds to step S105 if at least one has been notified.
- step S104 the priority determination unit 67 selects the image with the highest priority from among all the images and notifies it.
- step S105 the image which was previously notified and selected last is selected as an image to be recorded and notified.
- FIG. 11 is a flowchart showing the flow of processing according to the third image selection method.
- Steps S111 and S112 are the same as those in Figs. 9 and 10, and when any one image including the target subject is notified from the image recognition processing unit 66, priority is given.
- the rank determining unit 67 notifies the image having the highest priority among the notified images. If no image is notified in step S111, the process proceeds to step S113.
- Steps S113 and S114 are the same as in the case of Fig. 10, and the image including the target subject is recorded from the start of recording of the image stream to the present. It is determined whether or not has been notified. If no notification has been received, the image with the highest priority is selected from all the images and notified. Also, in step S113, if any image has been notified before that, the process proceeds to step S115.
- step S115 an image which is lower in priority by one level than the image which was previously notified and selected last is selected as an image to be recorded and is notified.
- FIG. 12 is a diagram showing an example of a camera arrangement when photographing a runner on a track of a stadium.
- a video camera system consisting of three digital video cameras 1 to 3 has been introduced to capture a runner 302 running on a track 301 of the stadium.
- Digital video cameras 1 to 3 capture the track 301 near the start point, near the middle point, and near the goal point, respectively.
- these three digital video cameras 1 to 3 cannot capture the entire area of the track 301, and there are areas 303 and 304 that do not appear in the captured image between the areas to be captured. are doing. Therefore, while the runner 302 is being photographed from the start point to the goal point, there will be a period during which the runner is not displayed on the screen.
- the target subject cannot be recognized from the images captured by any of the digital video cameras 1 to 3, if the method of selecting the image with the highest priority as shown in Fig. 9 is adopted, Every time it becomes unrecognizable, it always returns to the image taken by the digital camera with the highest priority, making the screen transition unnatural and unsuitable for shooting in the situation shown in Fig. 12. .
- the second image selection method shown in FIG. 10 the target subject cannot be recognized from all the captured images, and the subject is recognized even once from the start of recording. Selects the image that was last selected before, so that it does not unnaturally return to the image captured by the same digital video camera during shooting.
- runner 302 is recognized from the image captured by digital video camera 1, and this captured image is selected. You. Next, when the runner 302 approaches the area 303, the runner 302 cannot be recognized from the captured image, but at this time, by the processing of step S105 in FIG. The captured image is continuously selected. After that, the runner 302 is recognized from the image captured by the digital video camera 2, and the captured image is selected. Therefore, while the runner 302 is running, for example, the video of the start point is not recorded unnaturally, and it is possible to create moving image content in which the scene transitions smoothly. '
- the target object cannot be recognized from all the captured images, and if the object is recognized even once from the start of recording, The image with the priority one level lower than the previously selected image is selected. Therefore, similarly to the second image selection method, an image captured by a digital video camera having a high priority is not unnaturally inserted on the way.
- the starting runner 302 is first captured by the digital video camera 1, When this runner 302 comes to the area 303, the next highest priority digital video camera 2 To the captured image. After this switching, the runner 302 comes to appear on the switched captured image, and when it reaches the area 304, the image is switched to the image captured by the digital video camera 3 this time. Then, the runner 302 appears on the captured image that has been similarly switched. Therefore, natural switching of the image matching the moving direction of the runner 302 is performed, so that it is possible to create higher-quality moving image content.
- a target subject is extracted by image recognition from an image captured by the own device and an image received from another device, and the extracted image is automatically selected and recorded.
- the user can concentrate on shooting only by his own device without browsing images received from other devices, and can record content with better content on his own recording medium. Become.
- a recording medium for recording the selected image a general-purpose semiconductor memory, a disk-type recording medium such as a hard disk or an optical disk, or the like can be used.
- the present invention can also be applied to an image recording device having no imaging function.
- a video tape recorder or a video recorder using a disk-type recording medium such as a hard disk or an optical disk receives captured images from a plurality of cameras via wireless communication or the like, synthesizes these, and externally monitors them. Select images and record them on a recording medium while simultaneously displaying them on the top.
- Such an image recording device is installed in a place where a plurality of digital video cameras as described above exist, and each digital video camera is installed. By selecting and recording a desired image from the images captured by the camera, good moving image content can be easily created.
- a composite image thereof may be recorded on a recording medium.
- a certain subject is extracted from an image from a certain camera by image recognition, and the other screen area is set as a monochrome background. Then, the image from another camera is combined with the background of the original image.
- the image to be composed can be selected from the images received.
- a plurality of images may be received from another network, particularly a wide area network such as the Internet, and selected and recorded.
- a moving image distributed by streaming and a still image on another Web page or a still image read from a recording medium are combined in real time and recorded on a recording medium. This makes it possible to easily select and combine a large number of contents and contents on hand on the Internet to create other contents.
- the imaging apparatus of the present invention not only the captured image captured by the own apparatus but also the image captured and transmitted by the external imaging apparatus is received via the communication unit, and these are combined. Then, the image can be displayed on the display means, the displayed image can be browsed, a desired image can be selected by the image selection means, and the image can be recorded on the recording medium. Therefore, the content of the image to be recorded can be further enhanced and the chance of taking a picture is reduced. Further, a signal of a captured image may be transmitted to an external imaging device using a communication unit. In this case, a plurality of imaging devices having the same configuration can mutually transmit and receive an image captured by the own device and an image captured by another device, and selectively record the image.
- a plurality of imaging devices having the same configuration mutually transmit and receive an image captured by the own device and an image captured by another device, Images can be selectively recorded.
- the user of each imaging device can browse images displayed on the screen, select a desired image, and record the selected image on a recording medium. Therefore, the user of each imaging device can enrich the content of the image to be recorded, and rarely miss a shooting opportunity.
Description
Claims
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Publication number | Publication date |
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KR101000605B1 (ko) | 2010-12-10 |
US20060280496A1 (en) | 2006-12-14 |
JP4292891B2 (ja) | 2009-07-08 |
US20100209078A1 (en) | 2010-08-19 |
US7725015B2 (en) | 2010-05-25 |
CN101355671B (zh) | 2011-04-20 |
EP1638326B1 (en) | 2014-07-09 |
CN100499775C (zh) | 2009-06-10 |
EP1638326A4 (en) | 2011-02-09 |
EP1638326A1 (en) | 2006-03-22 |
JP2005020385A (ja) | 2005-01-20 |
CN101355671A (zh) | 2009-01-28 |
KR20060028644A (ko) | 2006-03-30 |
US8045850B2 (en) | 2011-10-25 |
CN1813473A (zh) | 2006-08-02 |
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