WO2004107766A1 - 映像受信装置および映像再生装置 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
- H04N9/8227—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being at least another television signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/156—Mixing image signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/161—Encoding, multiplexing or demultiplexing different image signal components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/172—Processing image signals image signals comprising non-image signal components, e.g. headers or format information
- H04N13/178—Metadata, e.g. disparity information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/189—Recording image signals; Reproducing recorded image signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/194—Transmission of image signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/286—Image signal generators having separate monoscopic and stereoscopic modes
- H04N13/289—Switching between monoscopic and stereoscopic modes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/356—Image reproducers having separate monoscopic and stereoscopic modes
- H04N13/359—Switching between monoscopic and stereoscopic modes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/361—Reproducing mixed stereoscopic images; Reproducing mixed monoscopic and stereoscopic images, e.g. a stereoscopic image overlay window on a monoscopic image background
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
Definitions
- the present invention relates to a video receiving apparatus for capturing 3D video using binocular parallax, receiving video data transmitted via a communication channel, and displaying the 3D video, and capturing a 3D video using binocular parallax.
- the present invention relates to a video reproducing apparatus for reading video data recorded on a recording medium and displaying the video data three-dimensionally.
- FIG. 2OA to FIG. 20C are diagrams for explaining captured images when a stereo adapter is attached.
- Fig. 2 OA is a video taken without a stereo adapter attached
- Fig. 20B is a video taken with a stereo adapter with a 1/2 angle of view
- Fig. 20C is This shows an image shot with a stereo adapter of a type that narrows the shooting range without changing the angle of view.
- a stereo adapter is attached, the left-eye image is displayed on the left side of the screen, and the right-eye image is displayed on the right side.
- the video captured in this way can be stereoscopically viewed by viewing the left-eye video only with the left eye and the right-eye video only with the right eye.
- FIG. 21A and FIG. 21B are diagrams for explaining the parallax barrier method, which is one of the typical methods for achieving stereoscopic vision using binocular parallax.
- FIG. 21A is a diagram illustrating the principle of generating parallax.
- FIG. 21B is a diagram showing a display format of a screen displayed by the paralux variation method, in which a left-eye image and a right-eye image are displayed. The pixels are arranged alternately every other pixel in the horizontal direction.
- FIG. 21A an image as shown in FIG. 21B is displayed on the image display panel 601, and a parallax barrier 602 having slits at intervals smaller than the interval between pixels at the same viewpoint is displayed on the image display panel 601.
- a parallax barrier 602 having slits at intervals smaller than the interval between pixels at the same viewpoint is displayed on the image display panel 601.
- the left-eye image and right-eye image are alternately arranged every other pixel in the horizontal direction. Just fine.
- the left-eye image and the right-eye image are each thinned out to 1/2 in the horizontal direction and It is necessary to alternately arrange every pixel.
- the shooting device and the playback device have a one-to-one correspondence.However, in order to exchange video between different devices, the shooting conditions and playback conditions need to match. There is a problem that the property is greatly impaired.
- the present invention has been made in view of the above problems, and is configured to include additional information for giving versatility to video data during stereo shooting while maintaining compatibility with existing devices. It is an object of the present invention to provide a video reproducing apparatus and a video receiving apparatus which can easily view the video data.
- a video receiving apparatus including a receiving unit that receives video data in a predetermined format and accompanying information of the video data from a communication path, A detection unit that detects additional information for displaying 3D from the accompanying information, and generates a signal for displaying the video data in 3D when the detection unit detects the additional information.
- a video reproducing apparatus provided with a reading section for reading video data recorded on a recording medium and accompanying information of the video data, the additional information for displaying the video data three-dimensionally. And a signal for displaying video data three-dimensionally when additional information is detected by the detection unit.
- the present invention creates classification information in which video data is classified into a three-dimensional video to which the additional information is added and a two-dimensional video other than the video data according to the presence or absence of the additional information. Also, preferably, the present invention reproduces the video data selected based on the classification information.
- the present invention further includes a recording unit that records the video data selected based on the classification information on a recording medium.
- the present invention further includes a recording unit that records the classification information on a recording medium.
- FIG. 1 is a diagram illustrating a configuration example of a video recording device according to a first embodiment of the present invention.
- FIG. 2 is a diagram showing an example of the additional information according to the present invention.
- FIG. 3 is a diagram showing an example of a track configuration of a magnetic tape.
- FIG. 4 is a diagram showing the format of a track on a magnetic tape.
- FIG. 5 is a diagram showing a format of a video recording area in a track format of a magnetic tape.
- FIG. 6 is a diagram showing an example of a recording format of video data in a file according to the present invention.
- FIG. 7 is a diagram showing a configuration example of a video reproduction system according to the second embodiment of the present invention.
- FIG. 8 is a diagram illustrating a configuration example of a video transmission device according to the second embodiment of the present invention.
- FIG. 9 is a diagram illustrating a configuration example of a packet.
- FIG. 10 is a diagram showing the transmission order of data blocks in the DV format.
- FIG. 11 is a diagram showing a configuration example of a video receiving device according to the second embodiment of the present invention.
- FIG. 12 is a diagram showing an example of the additional information according to the present invention.
- FIGS. 13A and 13B are diagrams showing examples of three-dimensional display.
- FIG. 14 is a diagram for explaining the principle of the protrusion amount adjustment.
- 'FIGS. 15A and 15B are diagrams for explaining changes in the image format when the pop-out amount is adjusted.
- FIG. 16A to FIG. 16C are diagrams for explaining a display method at the time of adjusting the pop-out amount.
- FIG. 17A and FIG. 17B are diagrams for explaining the adjustment of the vertical position.
- FIG. 18 shows one of the elements required for high-speed search in 3D information in the present invention. It is a figure showing an example.
- FIG. 19 is a diagram showing an example of the classification information according to the present invention.
- FIG. 2OA to FIG. 20C are diagrams for explaining a shooting screen when a stereo adapter is attached.
- FIG. 21A and FIG. 21B are diagrams for explaining the principle of the parallax barrier method. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram showing a configuration of a video recording device 100 according to the first embodiment of the present invention.
- video recording apparatus 100 records a video image of a subject on recording medium 2000, and reproduces the video recorded on recording medium 200. Therefore, the video recording device 100 also functions as a video playback device.
- the video recording device 100 has a function selection unit 101 for selectively switching between monocular and stereo shooting functions, and an imaging device equipped with an image sensor such as a CCD (Charge Coupled Device) and an autofocus circuit.
- Unit 102 a 3D information generating unit 103 that generates three-dimensional information of a predetermined format (hereinafter referred to as “3D information”), and formats and records video data and 3D information.
- a data recording unit 104 for recording on the medium 200.
- the video recording device 100 further includes a data reading unit 106 for reading recording data from the recording medium 200, a video conversion unit 107 for converting video data into a display format, and 3D information.
- a control unit 105 that controls the video conversion unit 107 based on the image data and a display unit 108 including a three-dimensional display device such as a parallax barrier method are provided.
- a left-eye image and a right-eye image are respectively displayed on two divided screens.
- the description below assumes that a stereo adapter of a type that is taken in a state reduced by 1/2 in the horizontal direction is used.
- the present invention is not limited to this, and other types of stereo adapters and 2 An ophthalmic camera may be used.
- the photographer operates the function selection unit 101 before starting shooting to select a shooting operation.
- a normal shooting operation is performed.
- a stereo adapter is attached to the imaging unit 102, and a stereo shooting operation is selected.
- the function selection unit 101 notifies the 3D information generation unit 103 of the selected shooting operation using a function selection signal.
- the data recording unit 104 records the video data input by the imaging unit 102 on the recording medium 200 in a predetermined format.
- those data are also multiplexed by the data recording unit 104.
- the display unit 108 reads out and displays the video data input to the data recording unit 104 by the imaging unit 102. The photographer can take a picture while checking the recorded content on the video displayed on the display unit 108.
- the 3D information generating unit 103 generates 3D information used for three-dimensional display from parameters relating to characteristics of the stereo adapter such as the angle of view. Since these parameters are unique to the stereo adapter, it is assumed that the parameters are set in advance by the photographer or the like and stored in the 3D information generation unit 103.
- FIG. 2 is a diagram showing an example of the 3D information at this time.
- the 3D information shown in FIG. 2 indicates the data format of the video in FIG. 20B. That is, the number of viewpoints in the horizontal direction is “2” and the number of viewpoints in the vertical direction is “1”, indicating that there are two left and right viewpoint images.
- the image arrangement is “horizontal arrangement”, This shows that two images are combined in the horizontal direction. Also, the reduction in the horizontal direction is “Yes”, which means that the horizontal , Indicating that the subsequent reduction ratio has been reduced to 1/2. No reduction ratio is specified because it is not reduced vertically.
- the 2D video shows the viewpoint to be selected when performing the two-dimensional display. Here, the left-eye video is specified.
- the 3D information start data is fixed value data indicating the start of 3D information
- the version information is for indicating compatibility of the 3D information.
- the 3D information generated as described above is output to the data recording unit 104 as a part of information accompanying video data.
- the data recording unit 104 records the 3D information input from the 3D information generation unit 103 and the video data input from the imaging unit 102 on a recording medium 200 according to a predetermined format.
- I is used as a recording medium for recording recording data.
- a memory, a magneto-optical disk, a magnetic tape, a hard disk, and the like are used. Here, the case where a magnetic tape is used will be described.
- a method called a helical scan is widely used as a recording method on a magnetic tape.
- data is recorded on tracks 300 formed discontinuously on a magnetic tape.
- FIG. 4 is an enlarged view of one of the tracks 300 and shows an example of the track format.
- a track 300 includes an ITI (Insert and Track Information) area 301 for ensuring post-recording, an audio recording area 302 for recording data relating to audio, and data relating to video. It includes a video recording area 303 to be recorded and a subcode recording area 304 to record accompanying information such as a track number and a time code.
- ITI Insert and Track Information
- FIGS. 5 and 5 are enlarged views of the video recording area 303 shown in FIG.
- the video recording area 303 includes a preamble 401 in which a synchronization pattern and the like are recorded, and areas VAUX (Video AUXiliary data) a 402 and VAUX / 3304, in which auxiliary information relating to the video is recorded. It includes a video coded data recording area 403 in which video coded data is recorded, an error correction code 405, and a post-amplifier 406 having a function for increasing a margin.
- the area where the accompanying information about the video is recorded is the area VAUX «402 and the region VAU X] 3 404 are divided into two, and hereafter, these two are collectively called a VAU X region.
- an AAU X (Audio AUXiliary data) area is also prepared in the audio recording area 302 as an area for recording accompanying information on audio.
- the 3D information is recorded in one of the VAU X area, AAU X area, and supcode area. In the present embodiment, the case of recording in the VAU X area will be described.
- the data recording unit 104 divides the input video data into a plurality of tracks and records the data. After the video data is encoded by a predetermined method, it is arranged in the video encoded data recording area 403.
- the 3D information is converted into a bit string by fixed-length coding or variable-length coding, and placed in the VAU X area together with other accompanying information. Since the data amount of the 3D information is sufficiently smaller than the size of the VAU X area, the data is recorded on each of a plurality of tracks for recording data of one frame of video. In this case, the tracks may be always arranged in VAUXa402 or may be alternately arranged in VAUX ⁇ 402 and VAUX] 3404 for each track. If it does not fit in the VAU X area, including other accompanying information, it may be divided into multiple tracks and recorded.
- a preamble 410, an error correction code 405, and a postamble 406 are added to the data to create data for a video recording area for one track, and the data for an audio recording area created in the same manner.
- the recording data is further output by adding the ITI information 301 and a margin between the areas.
- the 3D information may be divided into a VAU X area, an AAU X area, and a subcode area and recorded. Further, some digital VTRs have a cassette memory for recording accompanying information, and the above-mentioned 3D information may be recorded in the cassette memory.
- a data reading unit 106 reads recorded data from a track 300 of a magnetic tape, divides the data into audio data, video data, and subcode in the order of reading from the track 300, and performs error correction on each.
- the video coded data read from the video coded data recording area
- the decoded video data is output to the video conversion unit 107.
- the 3D information start marker is searched from the accompanying information read from the VAU X area, and the 3D information is extracted and output to the control unit 105.
- the control unit 105 refers to the purge information in the 3D information input from the data read unit 106 and determines whether or not the following items can be interpreted. If the item of 3D information can be interpreted, control information is determined from the interpreted 3D information and output to the video conversion unit 107. If there is no 3D information, control information for performing two-dimensional display is output to the video conversion unit 107.
- the control unit 105 outputs control information to the video conversion unit 107 so that the video data is rearranged every other pixel in the horizontal direction and converted to a format adapted to the display unit 108. I do.
- the two-dimensional display and the three-dimensional display may be manually switched as needed.
- control information is output to the video conversion unit 107 so that the video of the viewpoint specified by the 2D video of the 3D information is displayed. If the 3D information does not exist, control information is output to the video conversion unit 107 so that the video data input from the data reading unit 106 is output as it is.
- the 3D information is recorded in the recording area of the accompanying information of the video data so that it can be distinguished from other accompanying information, so that playback is performed while maintaining compatibility with existing equipment. It is possible to convert the display format suitable for the display device on the device side, and it is possible to easily make the recorded video versatile.
- a magnetic tape is used as a recording medium.
- video data is recorded using a recording medium such as an IC memory, a magneto-optical disk, or a hard disk in which a file system is constructed. May be recorded as a file.
- the 3D information may be recorded in a file header of the video file, or may be recorded in a file different from the video data.
- Figure 6 shows the file format when recording 3D information in a file header of a video file. It is a figure showing an example of a formula.
- Fig. 6 it is assumed that data is recorded in files in order from the top to the bottom of the figure.
- the 3D information is recorded as a part of the existing header section using a mechanism for expanding the header section prepared in the conventional file format.
- the extended header is called an extension header.
- MPEG-4 Moving Picture Experts Group-4
- the file header points to Visual Object Sequence or f // and Video Object Layer
- 3D information is recorded as user data in these.
- JPEG Joint Photographic Experts Group
- the file header points to the application data segment
- the force S and the function selection unit 101 are used to record the data format of the video data recorded on the recording medium 200 during the stereo photography operation so as to match the format of the photographed video.
- the photographer may be able to select a desired data format.
- parameters relating to the data format of the video data are sent to the 3D information generating unit 103, and the 3D information generating unit 103 generates 3D information based on the input parameters.
- the data recording unit 104 changes the format of the video data input from the imaging unit 102 based on the 3D information input from the 3D information generation unit 103.
- the display unit 108 reads out the video data captured by the imaging unit 102 from the data recording unit 104 and displays the video data.
- the left-eye image and the right-eye image are reduced by 12 in the horizontal direction on the split screen, as shown in Fig. 20B.
- the recording data output from the data recording unit 104 may be directly input to the data reading unit 106 to reproduce the recording data.
- the data storage unit 104 The recording data recorded in 200 may be immediately read and reproduced. By doing so, it is possible to display the 3D video during stereo shooting and check the contents in the same way as when playing back from a recording medium.
- the present invention can also be applied to a video transmission device that transmits recording data to a communication path.
- a video transmission apparatus 140 for transmitting video data and a video reception apparatus 150 for receiving video data are connected by a transmission path 160, and the video data is transmitted via the transmission path 160.
- This is a video playback system that exchanges commands for controlling the device to which the power is connected.
- FIG. 8 is a block diagram illustrating a configuration example of the video transmission device 140.
- the video transmission device 140 includes a function selection unit 101, an imaging unit 102, a 3D information generation unit 103, a data recording unit 141, a control unit 105, and data. It includes a reading section 144, a video converting section 107, a display section 108, a transmitting section 144, a receiving section 144, and a recording medium 200.
- the operation of the video transmitting device 140 configured as described above will be described below.
- the operation from the start of shooting until the recording data is recorded on the recording medium 200 is the same as that of the first embodiment described above. Description is omitted.
- the data recording unit 141 records multiplexed data obtained by multiplexing video data and 3D information according to a predetermined recording format on a recording medium 200, and also transmits the multiplexed data to the transmission unit 144. Output to Alternatively, the data readout unit 142 reads out the multiplexed data recorded on the recording medium 200 and outputs it to the transmission unit 144.
- the transmitting unit 144 stores the data input from the data recording unit 141 or the data reading unit 142 in a bucket of a format specified by a predetermined communication protocol, and transmits the data to the transmission line 160. .
- IEEE 1394 Institute of Electrical and Electrical
- USB Universal Serial Bus
- asynchronous communication method When video data is transmitted in real time, a guaranteed bandwidth can be secured in advance. Use the isochronous communication method.
- FIG. 9 is a diagram showing a packet format in the isochronous communication system of the IEEE 1394 standard.
- a packet 600 includes a packet header 601, a header CRC 602 which is a CRC (Cyclic Redundancy Check) for the packet header 601, a data field 603 which is an area for storing data to be transmitted, and Data CRC 604, which is a CRC for the data field.
- CRC Cyclic Redundancy Check
- the data field is composed of data 632 which is data to be transmitted and a CIP (Common Isochronous Packet) header 631 indicating an attribute of the data 632.
- the CIP header 631 records the size of the data 632, time information for synchronization, and the like.
- track data as shown in FIG. 4 is input from the data recording unit 141 or the data reading unit 142 to the transmission unit 143 together with the track synchronization signal.
- the transmission unit 143 divides the input track data into 80-byte data blocks (3 bytes are used for ID).
- FIG. 10 is a diagram showing the transmission order of the divided data blocks.
- the recorded data of 3 is shown in the block Am (m is an integer from 0 to 8).
- a data block obtained by dividing the recording data of the voice recording area 302 is shown.
- the numbers above the data tab indicate the transmission order.
- the transmission unit 144 stores six data blocks in one packet so that the transmission order is as shown in FIG. 10, and transmits the packet to the communication channel 160. Therefore, 25 packets are transmitted per track.
- 3D information is stored in the VAU X area as described above, the 3D information is transmitted by the first bucket in each track.
- information indicating whether 3D information is included in the transmitted packet may be added to the packet header and transmitted.
- information indicating whether or not 3D information is included may be recorded in the extension area of the CIP header 631 shown in FIG.
- FIG. 11 is a block diagram showing a configuration example of the video receiving device 150.
- the video receiving device 150 includes a receiving unit 151 that receives data via a communication channel 160, and a data separating unit 152 that separates multiplexed data. , A control unit 153 that outputs the presence or absence of 3D information in the received data and control information, a video decoding unit 154 that decodes encoded video data, and a video that converts the data format of the video data It includes a conversion unit 155, a display unit 156 that can switch between two display modes of three-dimensional display and two-dimensional display, and a transmission unit 158.
- the receiving unit 151 receives the packetized received data from the communication channel 160, extracts the data 632 shown in FIG. 9 except for the packet header, etc., and sends it to the data separating unit 152. Output to In addition, information on whether or not 3D information is included in the packet is read from the header portion of the packet, and the presence or absence of 3D information (takes one of “Yes”, “No” and “Indefinite”) Is output to the data separation unit 152.
- the data separation unit 152 separates video data from the multiplexed data input from the reception unit 151 and outputs the video data to the video decoding unit 154. If the presence or absence of the 3D information indicates “Yes”, the 3D information is separated from the multiplexed data and output to the control unit 1553. If the presence / absence of 3D information indicates “undefined”, the 3D information start code is searched from the multiplexed data input from the receiving unit 151, and the 3D information is included in the multiplexed data. Is determined. If there is 3D information, data of a predetermined number of bytes after the 3D information start code is extracted as 3D information.
- the receiving unit 151 receives the data for one track, and then, as shown in FIG.
- the track data is reconstructed and output to the data separation section 157.
- a synchronization signal (not shown) is restored from the time information of the CIP header 631 described above.
- the received video data can be displayed in synchronization with the synchronization signal.
- the data separation unit 152 separates the track data input by the data reception unit 151 into audio data, video data, and subcode.
- the separated video data is separated into the video coded data stored in the video coded data recording area 403 and the accompanying information stored in the VAU X area as shown in FIG.
- the encoded data is output to the video decoding unit 154. It also extracts 3D information from the accompanying information and outputs it to the control unit 153.
- the video decoding unit 154 When the video data input from the data separation unit 152 is encoded, the video decoding unit 154 performs a decoding process using a predetermined method. In other cases, the input video data is output to the video converter 155 as it is.
- the control unit 153 refers to the version information in the 3D information, and determines that the version of the interpretable 3D information before the version number can be interpreted. If each item of the 3D information can be interpreted, control information for controlling the video conversion unit 155 is output to the video conversion unit 155 based on the interpreted 3D information. If the 3D information is not extracted, information indicating that no 3D information exists is output to the video converter 155. If the 3D information cannot be interpreted due to a difference in the version, the processing may be stopped, or since it is known that the image is at least a 3D image, default control information is output to the image conversion unit 155. You may make it.
- control unit 153 determines the presence or absence of 3D information (here, it takes one of “Yes” and “No”) and the display mode of the display unit 156. If there is 3D information, the presence or absence of 3D information is set to “Yes” and the display mode is set to “3D”. If there is no 3D information, the presence or absence of 3D information is set to “No” and the display mode is set to “3D”. 2D ”. However, when the display mode is specified by the user, the display mode specified by the user is output regardless of the value of the presence or absence of the 3D information. The control unit 153 outputs the presence or absence of the 3D information to the switch SW1, and outputs the display mode to the display unit 156.
- the switch SW1 switches so that the output of the image conversion unit 155 is input to the display unit 156, and the presence or absence of 3D information changes to “None”. In this case, switching is performed so that the output of the video decoding unit 154 is input to the display unit 156.
- the video converter 155 converts the video data input from the video decoder 154 into a format that can be displayed on the display 156 according to the control information input from the controller 153.
- the control unit 153 rearranges the pixels of the input video data every other pixel in the horizontal direction to match the display unit 156.
- the control information is output to the video conversion unit 155 so as to convert to the format. The viewer can view the three-dimensional image displayed on the display unit 156.
- the video data may be subjected to resolution conversion and displayed on the full screen, or the resolution may be used as it is on the display unit. It may be displayed at the center of the screen of 156.
- control unit 15 3 Converts the three-dimensional image displayed in the window 720 in the same manner as in the case of the full-screen display described above.
- control information is output to the video converter 155 so that single-viewpoint images are arranged in a double order so that the same video can be seen by the left and right eyes.
- two-dimensional display window 703 is displayed on a three-dimensional display window 702 as shown in FIG. 13B, two-dimensional display may be performed on the entire screen. ,.
- the video receiving device 150 may display a video of a predetermined viewpoint, You may make it selectable by specification. This is the same when “2D video” is an undefined value.
- the “adjustment of pop-out amount” in FIG. 12 indicates the amount by which the three-dimensional image pops out from the display surface of the display unit 156.
- pixel 1 of the left-eye image is displayed at display position 801
- corresponding pixel R 1 of the right-eye image is displayed at display position 802.
- the display position of the pixel R1 of the right eye image is moved to the left and changed from 802 to 804, the image forming the image at the position 803 can be seen at the position 805. become. Since the position 805 is located on the near side as compared with the position 803, it can be seen from the display surface. Conversely, if pixel R1 is moved to the right of 802, the image forming the image at position 803 will be seen deeper than the display surface.
- the pixel R1 is called a corresponding point of the pixel L1.
- control unit 153 controls the video conversion unit to shift either the left or right video by a predetermined number of pixels in the horizontal direction. Output control information to 1 5 5.
- FIGS. 15A and 15B are diagrams showing a case where the right eye image is shifted to the left.
- Fig. 15 Shows the state before the A shift, and the entire display screen is displayed in three dimensions.
- Fig. 15B shows the state after the shift. The entire image cannot be displayed because the area 9 01 indicated by the dotted line of the eye image is outside the display screen.
- FIG. 16 to FIG. 16C are diagrams showing display examples at this time.
- Figure 16A shows the case where the shifted right-eye image is not displayed, and the right-eye image is shifted to display a part of the left-eye image that has no corresponding point in two dimensions.
- Fig. 16B shows the case where the right-eye image is left and the left-eye image is not displayed, as in Fig. 16A. I have.
- FIG. 16C shows a case where only a portion having a corresponding point is displayed three-dimensionally.
- the item “adjustment reference image” in FIG. 12 is for indicating the image to be left as a two-dimensional display as a result of adjusting the pop-out amount, and when the left-eye image is specified as the “adjustment reference image” As shown in Fig. 16A, when the right-eye image is specified as the “adjustment reference image”, it becomes as shown in Fig. 16B.
- the “pop-out amount adjustment” and “adjustment reference video” may use predetermined settings in the video receiving device 150 or may be changed by user designation. When changing by the user's designation, the video on the shift side and the adjustment reference video may be selected so as to match or may be selected separately.
- the item “up / down shift adjustment amount” in FIG. 12 indicates the amount of vertical adjustment in the left and right images. It is used to correct the shift as shown in Fig. 17B when the left and right images shift up and down during shooting as shown in Fig. 17A. In the example of FIG. 12, the shift direction is represented by positive and negative signs, and 13 indicates that the pixel is shifted downward by 3 pixels.
- the direction of the shift may be separated from the number of pixels to be shifted by the force expressed by the positive and negative signs, and may be independently specified as the “up-down shift direction”.
- the image to be shifted is determined based on the “adjustment reference image” described above.
- the items “3D display intensity” and “3D display restriction threshold” in Fig. 12 may adversely affect your health if you continue to view 3D images. Used to do.
- the control unit 153 sets the display mode to “3D”. Switch to “2D” and switch to image converter 1 5 5 Output control information to convert 3D video to 2D video. Display 1
- step 5 the display is forcibly switched to 2D display.
- the viewing restriction threshold a value of “3D display restriction threshold” may be used, or a value corrected by the video receiver 150 based on this value may be used.
- the case where the DV method is used as the recording method as described above will be described as an example.
- elements necessary for high-speed search in the 3D information are recorded in the subcode area 304 in FIG. 4 in advance.
- the video transmitting apparatus 140 packetizes only the subcode of the data read from the recording medium 200 when performing a high-speed search of the recording medium, and
- the video receiving device 15 ⁇ receives the bucket from the communication channel 160, and uses the first received time code as the start position of the first video content. If the packet contains 3D information, the attribute is set to 3D; otherwise, the attribute is set to 2D. 7 When there is a change in the presence or absence of 3D information in the fire, that is, when the attribute is 3D, there is 3D information-when there is no change, or when the attribute is 2D, 3D The time when the information changes from “no” to “present” is set as the start position of the next video content, and the same procedure is performed each time there is a change in the presence or absence of 3D information.
- the control unit 153 reads “3D video type” and “3D display intensity” and provides the user with a list of video content classification information as shown in FIG. Present. At this time, for the “3D video type” and “3D display intensity” displayed in the list, the control unit 153 acquires statistics from the start to the end of the video content, and presents the most frequent value. However, the values to be displayed are not limited to this, even if they are maximum, minimum, median or average. Good.
- the video receiving device 150 transmits, to the video transmitting device 140, a command for requesting the transmission of the video content selected by the user by the transmitting unit 158.
- the video transmitting device 140 receives the command by the receiving unit 144, reproduces the video content, and starts transmitting the video content.
- the received 3D information is recorded in the header as described above.
- the values displayed in the list may be recorded in “stereoscopic image type” and “3D display intensity”.
- the present invention can also be applied to a video reproducing device that reads video data from a recording medium.
- a video receiving apparatus including a receiving unit that receives video data in a predetermined format and accompanying information of the video data from a communication path, or video data and video recorded on a recording medium
- a video reproducing apparatus provided with a reading section for reading out accompanying information of data
- a detecting section for detecting additional information for displaying video data three-dimensionally from the accompanying information is provided, and when the additional information is detected by the detecting section, By displaying video data in three dimensions, it is possible to easily view three-dimensional video with versatility.
- versatility is obtained by creating classification information in which video data is classified into a 3D video to which additional information is added and a 2D video other than that, according to the presence or absence of additional information. Easy to watch 3D video with Is obtained.
- the present invention by reproducing the video data selected based on the classification information, it is possible to obtain an effect that it is possible to easily view the versatile 3D video. .
- the present invention includes a recording unit that records video data selected based on the classification information on a recording medium, so that it is easy to view and listen to versatile 3D video. Is obtained.
- the present invention by providing a recording unit that records the classification information on the recording medium, an effect is obtained that it is possible to easily view a versatile 3D video.
Description
Claims
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EP04735404A EP1633148A4 (en) | 2003-05-30 | 2004-05-28 | PICTURE RECEPTOR AND IMAGE PLAYER |
US10/557,816 US20060269226A1 (en) | 2003-05-30 | 2004-05-28 | Image receiving apparatus and image reproducing apparatus |
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JP2003154875A JP2004357156A (ja) | 2003-05-30 | 2003-05-30 | 映像受信装置および映像再生装置 |
JP2003-154875 | 2003-05-30 |
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EP (2) | EP2453663A3 (ja) |
JP (1) | JP2004357156A (ja) |
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- 2004-05-28 EP EP04735404A patent/EP1633148A4/en not_active Withdrawn
- 2004-05-28 KR KR1020057022818A patent/KR100745304B1/ko not_active IP Right Cessation
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CN102045581A (zh) * | 2009-10-20 | 2011-05-04 | 索尼公司 | 拍摄设备、图像处理方法及程序 |
Also Published As
Publication number | Publication date |
---|---|
EP1633148A1 (en) | 2006-03-08 |
KR100745304B1 (ko) | 2007-08-01 |
CN1799267A (zh) | 2006-07-05 |
US20060269226A1 (en) | 2006-11-30 |
EP2453663A2 (en) | 2012-05-16 |
JP2004357156A (ja) | 2004-12-16 |
KR20060041171A (ko) | 2006-05-11 |
EP1633148A4 (en) | 2009-10-21 |
EP2453663A3 (en) | 2013-10-02 |
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