WO2008041629A1 - Dispositif et procédé de reproduction, dispositif et procédé de génération d'informations, support de stockage de données, structure de données, support de stockage de programme, et programme - Google Patents
Dispositif et procédé de reproduction, dispositif et procédé de génération d'informations, support de stockage de données, structure de données, support de stockage de programme, et programme Download PDFInfo
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- WO2008041629A1 WO2008041629A1 PCT/JP2007/068950 JP2007068950W WO2008041629A1 WO 2008041629 A1 WO2008041629 A1 WO 2008041629A1 JP 2007068950 W JP2007068950 W JP 2007068950W WO 2008041629 A1 WO2008041629 A1 WO 2008041629A1
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- WIPO (PCT)
- Prior art keywords
- information
- meta information
- video stream
- time
- stream
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
- H04N21/43074—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of additional data with content streams on the same device, e.g. of EPG data or interactive icon with a TV program
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/4722—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting additional data associated with the content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/4728—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
- H04N21/8133—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
Definitions
- the present invention relates to a playback apparatus and method, an information generation apparatus and method, a data storage medium, a data structure, and a program, and in particular, a playback apparatus and method capable of easily editing or adding meta information,
- the present invention relates to an information generation apparatus and method, a data storage medium, a data structure, and a program.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2005-335521
- the conventional package media has hardly provided additional image information synchronized with the main image and sound.
- the present invention has been made in view of such a situation, and in particular, makes it possible to easily edit or record an image or sound as additional image information.
- a playback device is a stream playback unit that plays back an input video stream, and a video stream that is a file different from the video stream played back by the stream playback unit.
- the meta information reading means for reading the meta information and the reading of the meta information in synchronism with the video stream being played back by the stream playback means based on the playback information of the video stream output by the stream playback means.
- Additional image information providing means for providing image information, and provided by the additional image information providing means.
- the additional image information, and a synthesizing means for synthesizing the I Ri reproduced video stream to the reproduction unit.
- the output unit may further include an output unit that outputs a video stream in which the additional image information is combined by the combining unit, and the meta information is output by the output unit. It can be the position information on the display screen when the video stream with the combined information is displayed.
- the meta information includes first meta information including first time information and second meta information including second time information
- the stream synchronization reading means includes: The first meta information or the second meta information can be selected by comparing the playback time with the first time information or the second time information.
- the meta information reading means may be one or more according to the format.
- An acquisition unit that acquires the meta information may be further provided through a network, and the stream synchronization reading unit may read the meta information acquired by the acquisition unit.
- Power S can be.
- the meta information can be position information on a reproduction screen corresponding to reproduction information for each player who is competing, and the additional image information providing means includes The zoom screen of the predetermined player is provided as additional image information based on the position information of the predetermined player in synchronization with the playback timing of the video stream played back by the playback means. it can.
- the content of the video stream can be made to include a plurality of objects in accordance with a time series, and the meta information is a plurality of contents in the content of the video stream that changes in accordance with the time series.
- the correlation information between the objects can be obtained.
- the meta information may be correlation information corresponding to reproduction information for each character, and the additional image information providing unit is reproduced by the reproduction unit.
- the meta information can be introduction information of the character along with correlation information corresponding to reproduction information for each character.
- the means may provide the introduction information of the character as additional image information based on the introduction information for each character in synchronization with the reproduction information of the video stream reproduced by the reproduction means. it can.
- a playback method includes a stream playback step for playing back an input video stream and a video stream that is a separate file from the video stream played back by the processing of the stream playback step.
- the meta information reading step of reading the meta information of the video stream, and the playback information of the video stream played back by the processing of the stream playback step, in synchronization with the video stream played back by the processing of the stream playback step, A stream that reads the meta information by controlling the meta information reading means.
- Based on the meta information read by the processing of the meta information reading step provided by the processing of the additional image information providing step of providing additional image information to the video stream and the processing of the additional image information providing step.
- a synthesizing step of synthesizing the added additional image information with the video stream reproduced by the process of the reproducing step.
- a program according to the first aspect of the present invention is a video that is a separate file from the stream playback step of playing back an input video stream and the video stream played back by the processing of the stream playback step.
- the meta information reading step for reading the meta information of the stream and the playback information of the video stream played back by the processing of the stream playback step, it is synchronized with the video stream played back by the processing of the stream playback step.
- the meta information reading means is controlled by the stream synchronous reading step for reading the meta information and the processing of the stream synchronous reading step, and the meta information read by the processing of the meta information reading step is controlled.
- a process comprising: a step of providing additional image information, and a step of synthesizing the additional image information provided by the processing of the additional image information providing step with the video stream reproduced by the processing of the reproduction step.
- the program storage medium according to the first aspect of the present invention stores the program according to claim 9.
- a data storage medium is a recording medium on which a video stream having time information to be played back by a playback device is recorded, and the file is a separate file from the video stream.
- second meta information corresponding to the video stream displayed at the second time position, including time information corresponding to the second time position is stored.
- a data structure according to the third aspect of the present invention is a video stream having time information to be played back by a playback device, recorded on a recording medium or distributed over a network.
- a data structure of a meta information file to be played together with a video stream which is included in the video stream displayed at the first time position including the time information corresponding to the first time position included in the time axis of the time information.
- the second meta-data corresponding to the video stream displayed at the second time position including the corresponding first meta information and the time information corresponding to the second time position included in the time axis of the time information. Meta information.
- the first meta information and the second meta data may be configured as separate independent files.
- An information generation device acquires time information corresponding to a time position included in a time axis of the time information of a video stream having time information to be reproduced by a reproduction device.
- Time information acquisition means, meta information acquisition means for acquiring meta information corresponding to the video stream to be displayed, and at least one time information and the meta information are stored in association with each other as a meta information file. Storage means.
- the information generation method acquires time information corresponding to a time position included in a time axis of the time information of a video stream having time information to be played back by a playback device.
- the program according to the fourth aspect of the present invention acquires time information corresponding to a time position included in a time axis of the time information of a video stream having time information to be reproduced by a reproduction device.
- a time information acquisition step, a meta information acquisition step for acquiring meta information corresponding to a video stream to be displayed, and a storage for storing at least one or more of the time information and the meta information in association with each other as a meta information file Causing a computer to execute a process including steps.
- a program storage medium stores the program according to claim 17.
- the input video stream is played back, the meta information of the stream to be played back is read, and the output video stream is played back. Based on the information, the meta information is read in synchronization with the stream being played, and the additional image information is provided and provided to the video stream based on the read meta information. The additional image information is combined with the reproduced stream.
- the time information corresponding to the first time position included in the time axis of the time information is included as a file separate from the video stream,
- the first meta information corresponding to the video stream displayed at the first time position and the time information corresponding to the second time position included in the time axis of the time information are included, and the second time position 2nd meta information corresponding to the video stream displayed on the screen is stored.
- the video stream having time information to be played back by the playback device corresponds to the first time position included in the time axis of the time information.
- Time information is included, including first meta information corresponding to the video stream displayed at the first time position, and time information corresponding to the second time position included in the time axis of the time information. And second meta information corresponding to the video stream displayed at the second time position.
- the time stream included in the time axis of the time information of the video stream having the time information to be reproduced by the reproducing apparatus Corresponding time information is acquired, meta information corresponding to the video stream to be displayed is acquired, and a meta information file is generated in which at least one time information and the meta information are stored in association with each other.
- the playback device and information generation device of the present invention may be independent devices, or may be blocks that perform playback processing and information generation processing, respectively.
- meta information can be easily edited or added.
- FIG. 1 is a diagram illustrating a block diagram illustrating a configuration example of a playback device to which the present invention has been applied.
- FIG. 2 is a flowchart for explaining additional image information provision processing by the playback device of FIG.
- FIG. 3 is a flowchart for explaining additional image information generation processing by the playback device of FIG. 1.
- FIG. 4 is a diagram for explaining a meta information file by the playback device of FIG. 1.
- FIG. 5 is a diagram for explaining additional image information provision processing by the playback device of FIG. 1.
- Fig. 6 is a block diagram illustrating another configuration example of the playback device.
- FIG. 7 is a flowchart for explaining additional image information generation processing by the playback device in FIG. 6.
- FIG. 8 is a diagram for explaining a meta information file by the playback device of FIG. 6.
- FIG. 9 is a diagram for explaining additional image information generation processing by the playback device of FIG. 6.
- FIG. 10 is a diagram for explaining additional image information generation processing by the playback device of FIG. 6.
- FIG. 11 is a diagram illustrating additional image information generation processing by the playback device of FIG. 6.
- Fig. 12 is a diagram illustrating a block diagram illustrating still another configuration example of the playback device.
- FIG. 13 is a diagram illustrating a block diagram illustrating a configuration example of a meta information file generation device.
- FIG. 14 is a flowchart for describing meta information file generation processing by the meta information file generation device of FIG. 13.
- FIG. 15 is a diagram illustrating a configuration example of a personal computer.
- the playback device has a stream playback means (for example, the stream playback unit 16 in FIG. 1) for playing back an input video stream, and a video played back by the stream playback means.
- Meta information reading means for reading meta information of the video stream which is a separate file from the stream (for example, meta information file reading unit 14 in FIG. 1), and based on reproduction information of the video stream reproduced by the stream reproducing means. Then, in synchronization with the video stream being reproduced by the stream reproduction means, the stream information reading means for controlling the meta information reading means to read the meta information (for example, the stream synchronization reading section in FIG. 1). 15) and a message read by the meta information reading means under the control of the stream synchronous reading means.
- the additional image information providing means for providing the additional image information to the video stream (for example, the additional image information providing unit 12 in FIG. 1) and the additional image information providing means.
- the additional image information is combined with the stream reproduced by the reproducing means (for example, the combining unit 13 in FIG. 1).
- Output means for example, the display unit 2 in FIG. 1 for outputting the video stream in which the additional image information is synthesized by the synthesis unit (for example, the synthesis unit 13 in FIG. 1) is further included.
- the meta information can be used as position information on a display screen when a video stream output from the output unit and combined with the additional image information is displayed.
- the reproduction method and program according to the first aspect of the present invention are reproduced by a stream reproduction step (for example, steps S61 and S63 in Fig. 2) for reproducing an input stream, and the processing of the stream reproduction step.
- a meta information reading step for example, step S83 in FIG.
- the stream synchronous reading step controls the meta information reading means to read the meta information in synchronization with the video stream being played back by the processing of the stream playing step.
- the additional image information providing step for example, step S10 in FIG. 2 for providing additional image information to the video stream based on the meta information read by the processing of the additional step, and the processing of the additional image information providing step
- a compositing step for example, step S101 in FIG. 2 for compositing the additional image information provided by the video stream reproduced by the processing of the reproducing step.
- An information generation device acquires time information corresponding to a time position included in a time axis of the time information of a video stream having time information to be reproduced by a reproduction device.
- Time information acquisition means for example, the time information acquisition unit 112 in FIG. 13
- meta information acquisition means for example, the meta information acquisition unit 113 in FIG. 13
- Storage means for storing at least one or more of the time information and the meta information as a meta information file in association with each other (for example, the storage unit 114 in FIG. 13).
- An information generation method and program include a time corresponding to a time position included in a time axis of the time information of a video stream having time information to be reproduced by a reproduction device.
- Time information acquisition step for acquiring information for example, step S192 in FIG. 14
- meta information acquisition step for acquiring meta information corresponding to the video stream to be displayed for example, step S194 in FIG. 14
- a storage step for example, FIG. 1 that associates at least one time information and the meta information with each other and stores the meta information file 4 steps SI 95).
- FIG. 1 shows the configuration of an embodiment of a playback apparatus to which the present invention is applied.
- the playback device 1 in FIG. 1 can also be configured by hardware having functions similar to those described in the example configured by software.
- the playback device 1 generates additional image information based on the meta information file 3, combines it with a video stream played back based on the stream file 4, and causes the display unit 2 to display it.
- the operation unit 11 includes a keyboard, a mouse, or a button.
- the operation unit 11 is operated when the user inputs ON or OFF of the additional image information providing unit 12, and the operation unit 11 depends on the operation content.
- the operation signal is generated and output to the additional image information providing unit 12.
- the additional image information providing unit 12 generates additional image information based on the meta information supplied from the stream synchronization reading unit 15 and outputs the additional image information to the synthesizing unit 13.
- the additional image information is information added as an image or the like when the content recorded in the stream file 4 is reproduced. More specifically, for example, when the video stream played back by the stream file 4 is a soccer game, the additional image information is based on meta information consisting of position information in units of time for each player! /, For example, a trace mark attached on the screen to a predetermined competitor.
- the additional image information is a tracking mark attached to a predetermined player, but the video stream and additional image information are not limited to this, but other contents. It can be a stream file that plays back! /, And other additional image information.
- the meta information file reading unit 14 obtains the reproduction information of the video stream reproduced by the stream reproduction unit 16 supplied from the stream synchronization reading unit 15, the meta information file reading unit 14 responds based on the reproduction information.
- the timing meta information is read from the meta information file 3 and supplied to the stream synchronization reading unit 15.
- the stream synchronization reading unit 15 requests the playback information from the stream playback unit 16 to acquire playback information indicating the playback time, playback frame, etc. of the video stream currently being played back, the meta information file Supply to the reading unit 14. Further, the stream synchronization reading unit 15 acquires the meta information supplied from the meta information file reading unit 14 according to the supplied reproduction information, and supplies it to the additional image information providing unit 12. [0052] The stream reproduction unit 16 reads the information of the stream file 4, sequentially reproduces the video stream and outputs it as an image to the synthesizing unit 13, and when the reproduction information is requested from the stream synchronous reading unit 15. The current playback information is supplied to the stream synchronization reading unit 15
- the synthesizing unit 13 generates an image by synthesizing the video stream image reproduced by the stream reproducing unit 16 and the additional image information supplied from the additional image information providing unit 12, and performs LC D (Liquid Crystal Display on Display 2 consisting of Display) or CRT (Cathode Ray Tube).
- LC D Liquid Crystal Display on Display 2 consisting of Display
- CRT Cathode Ray Tube
- the additional image information providing unit 12 includes a meta information file reading management unit 31, a meta information acquisition unit 32, a meta information recognition unit 33, an additional image information output unit 34, and an additional image information generation unit 35. Yes.
- the meta information file read management unit 31 selects that the additional image information is to be combined with the stream reproduced image according to the operation signal of the operation unit 11, that is, the provision of the additional image information is ON.
- the meta information file reading unit 14 is registered in the stream synchronous reading unit 15 and the display of combining the additional image information with the video stream is selected, that is, the additional information is set.
- the provision of image information is set to OFF, the stream synchronization reading unit 15 is made to cancel the registration of the meta information file reading unit 14. That is, when the meta information file reading unit 14 exists as software, when the provision of additional image information is set to OFF, it does not exist and the provision of additional image information is set to ON. At this time, it is generated by the meta information file reading management unit 31 and registered in the stream synchronous reading unit 15.
- the meta information file reading management unit 31 since the meta information file reading management unit 31 may be hardware, the block diagram is configured as always present.
- the meta information acquisition unit 32 acquires the meta information supplied from the stream synchronization reading unit 15 and supplies it to the meta information recognition unit 33.
- the meta information recognition unit 33 recognizes the supplied meta information and supplies the recognition result to the additional image information generation unit 35.
- the additional image information generation unit 35 generates additional image information based on the recognition result of the meta information, and supplies the generated additional image information to the additional image information output unit 34. More specifically The additional image information generating unit 35 controls the list generating unit 41, the tracking mark generating unit 42, and the time scale bar generating unit 43, and based on the recognition result of the meta information, a list of players, a predetermined player The tracking mark and time scale bar image are generated as additional image information and supplied to the additional image information output unit 34.
- the additional image information output unit 34 outputs the additional image information generated by the additional image information generation unit 35 to the synthesis unit 13. At this time, the additional image information output unit 34 outputs the additional information to the synthesizing unit 13 in consideration of the processing time from when the reproduction information is acquired until the additional image information is output. That is, the meta information file reading unit 14 reads, for example, meta information several frames ahead of the video stream currently being played back by the stream playback unit 16 in consideration of the processing time in the additional image information providing unit 12. Yes. Therefore, the additional image information output unit 34 supplies the additional image information to the synthesizing unit 13 at the timing when the stream reproduction unit 16 reproduces the video stream corresponding to the reproduction position of the acquired meta information.
- the reproduction information acquisition unit 51 of the meta information file reading unit 14 acquires the reproduction information supplied from the stream synchronization reading unit 15 and supplies the acquired reproduction information to the reading unit 52.
- the reading unit 52 accesses the meta information file 3 and considers the processing time in the additional image information providing unit 12 on the basis of the supplied reproduction information, and the meta data at a timing several frames ahead of the current reproduction time.
- the information is read and supplied to the stream synchronous reading unit 15.
- the stream synchronization reading unit 15 controls the reproduction information acquisition request unit 61 at a predetermined time interval, and the stream reproduction unit 16 Request playback information.
- the reproduction information acquisition unit 62 acquires the reproduction information supplied from the stream reproduction unit 16 in response to a request from the reproduction information acquisition request unit 61, and supplies the reproduction information to the reproduction information output unit 63.
- the reproduction information output unit 63 supplies the reproduction information supplied from the reproduction information acquisition unit 62 to the meta information file reading unit 14.
- the meta information acquisition unit 64 acquires the meta information supplied from the meta information file reading unit 14 and supplies it to the meta information output unit 65.
- the meta information output unit 65 supplies the supplied meta information to the additional image information providing unit 12.
- the playback processing unit 71 of the stream playback unit 16 accesses the stream file 4 and the video stream.
- the reproduction information is supplied to the reproduction information output unit 73.
- the playback information request receiving unit 72 receives a playback information acquisition request from the playback information acquisition requesting unit 61 of the stream synchronization reading unit 15, and operates the playback information output unit 73 based on this request.
- the reproduction information output unit 73 outputs the reproduction information supplied from the reproduction processing unit 71 to the stream synchronization reading unit 15 when the reproduction information request receiving unit 72 is notified that the reproduction information acquisition request has been received. To do.
- step S1 the meta information file read management unit 31 determines whether or not the operation unit 11 has been operated to request provision of additional image information, and repeats the same processing until requested. .
- step S1 for example, when the operation unit 11 is operated to request provision of additional image information, that is, when it is requested to turn on the operation of the additional image information providing unit 12, in step S2, The meta information file reading management unit 31 generates a meta information file reading unit 14.
- step S 3 the meta information file reading management unit 31 requests the stream synchronization reading unit 15 to register the generated meta information file reading unit 14.
- step S31 the stream synchronization reading unit 15 determines whether registration of the meta information file reading unit 14 has been requested, and repeats the processing until registration is requested.
- step S31 for example, When registration of the meta information file reading unit 14 is requested by the process of step S3, the stream synchronization reading unit 15 registers the meta information file reading unit 14 requested to be registered in step S32.
- steps S2, S3, S31, S32 are processing when the meta information file reading unit 14 is configured by software. When configured by hardware, this is an unnecessary process. Therefore, when the meta information file reading unit 14 configured by the duer is used, the processes of steps S2, S3, S31, and S32 (including corresponding steps S10, S11, S41, and S42) are skipped.
- step S33 the reproduction information acquisition request unit 61 determines whether or not a predetermined time has elapsed. And the process is repeated until a predetermined time elapses. If it is determined in step S33 that the predetermined time has elapsed, in step S34, the reproduction information acquisition request unit 61 requests the stream reproduction unit 16 to acquire reproduction information.
- step S61 the playback processing unit 71 of the stream playback unit 16 reads the stream file 4, sequentially plays back images including audio in accordance with a predetermined procedure, and outputs them to the synthesis unit 13.
- the reproduction information is supplied to the reproduction information output unit 73.
- step S62 the reproduction information request receiving unit 72 determines whether or not there is a request for acquisition of reproduction information. If it is determined that there is no request for acquisition of reproduction information, the process proceeds to step S61. Return. In other words, unless there is a request for playback information, an image including sound is simply continuously played back as a video stream from the stream file.
- step S62 for example, when acquisition of reproduction information is requested by the process of step S34, in step S63, the reproduction information request reception unit 72 controls the reproduction information output unit 73 to perform reproduction processing.
- the reproduction information supplied from the unit 71 is output to the stream synchronous reading unit 15.
- step S35 the reproduction information acquisition unit 62 determines whether reproduction information has been output, and repeats the same processing until the reproduction information is output.
- step S35 for example, when reproduction information is output by the process of step S63, in step S36, the reproduction information acquisition unit 62 acquires the output reproduction information and acquires the acquired reproduction information. Is supplied to the reproduction information output unit 63.
- step S37 the reproduction information output unit 63 outputs the supplied reproduction information to the meta information file reading unit 14.
- step S81 the reproduction information acquisition unit 51 determines whether reproduction information has been supplied from the stream synchronization reading unit 15 and repeats the same processing until it is output. In step S81, for example, when reproduction information has been output by the process of step S37, it is determined that the reproduction information has been supplied. In step S82, the reproduction information acquisition unit 51 acquires the supplied reproduction information. Then, the acquired reproduction information is supplied to the reading unit 52.
- step S83 the reading unit 52 accesses and is supplied with the meta information file 3.
- the meta information corresponding to the playback position of the video stream is read based on the playback information received.
- step S84 the reading unit 52 outputs the read meta information to the stream synchronization reading unit 15.
- step S38 the meta information acquisition unit 64 determines whether or not the meta information has been output, and repeats the process until the meta information is output.
- step S38 for example, when meta information is output by the process of step S84, in step S39, the meta information acquisition unit 64 acquires the acquired meta information together with acquiring the transmitted meta information. This is supplied to the meta information output unit 65.
- step S40 the meta information output unit 65 outputs the supplied meta information to the additional image information providing unit 12.
- step S4 the meta information acquisition unit 32 determines whether or not the meta information has been supplied from the stream synchronization reading unit 15, and repeats the process until it is supplied.
- step S4 for example, when meta information is output by the process of step S40, in step S5, the meta information acquisition unit 32 acquires the supplied meta information, and the acquired meta information is meta-data. The information is supplied to the information recognition unit 33.
- step S6 the meta information recognition unit 33 recognizes the supplied meta information and supplies the recognition content to the additional image information generation unit 35.
- step S 7 the additional image information generation unit 35 generates additional image information by the additional image information generation process and supplies it to the additional image information output unit 34.
- the details of the additional image information generation process will be described later with reference to the flowchart of FIG.
- step S 8 the additional image information output unit 34 outputs the additional image information generated by the additional image information generation unit 35 to the synthesis unit 13.
- the synthesizing unit 13 includes a video stream including images including audio supplied from the stream reproducing unit 16 and images constituting the additional image information supplied from the additional image information providing unit 12. And are displayed on the display unit 2 in step S102. For this reason, if the operation of the additional image information providing unit 12 is turned on, the image constituting the additional image information supplied from the additional image information providing unit 12 is an image including sound. However, if the operation of the additional image information providing unit 12 is not turned on and remains off, the video stream is simply supplied from the stream reproducing unit 16. Only the video stream consisting of images including the incoming sound is displayed on the display unit 2.
- step S 9 the meta information file reading management unit 31 determines whether or not the operation unit 11 has been operated to stop providing additional image information, that is, the additional image information providing unit 12. It is determined whether or not the operation is turned off. For example, when the stop is not requested, the process returns to step S4. That is, unless the provision of additional image information is requested to be stopped, the processes in steps S4 to S9 are repeated. As a result, when it is determined that deregistration is not requested, the synthesizing unit 13 receives the images constituting the additional image information supplied from the additional image information providing unit 12 and the stream reproduction unit 16. The video stream, which includes the image power including the incoming sound, is combined and displayed on the display unit 2! Get good.
- step S9 for example, when the stop of provision of the additional image information is requested, in step S10, the meta information file reading management unit 31 registers the meta information file reading unit 14. Is requested to the stream synchronization reading unit 15 to cancel.
- step S41 the stream synchronization reading unit 15 determines whether or not the deregistration of the meta information file reading unit 14 is requested, and determines that the deregistration is requested! /, Na! / If so, the process returns to step S33. That is, steps S33 to S41 are repeated.
- step S41 for example, when cancellation of registration of the meta information file reading unit 14 is requested by the process of step S10, in step S42, the stream synchronization reading unit 15 determines that the meta information requested to be released. Cancel the registration of the file reader 14. As a result, the stream synchronization reading unit 15 enters a state in which no reproduction information is supplied to the meta information file reading unit 14.
- step S11 the meta information file reading management unit 31 sets the meta information file reading unit.
- step S151 the list generation unit 41 reads out the position information for each player, which is the meta information acquired by the process in step S5, and in step S152, the read out position information. Based on this, a list of competitors who participate in a soccer game played as a video stream is generated.
- the meta information file 3 is, for example, as shown in FIG. In Fig. 4, the position information on the screen for each elapsed time of the game for each competitor is shown in order from the left. That is, in FIG. 4, the number of athletes is 11 persons, “aaa”, “bbb”, “ccc”, “ddd”,... “Jjj”, and “kkk”.
- an image during a soccer game played by the stream playback unit 16 is displayed on the image display unit 101, and an image during a soccer game is displayed.
- the list 102 in FIG. 5 displays “aaa”, “bbb”, “ccc”, “ddd”,... 3 ⁇ 4, and “kkk” from the top. Is displayed! /, And a selection frame 103 for selecting a competitor is displayed! /.
- the selection frame 103 can be moved up and down by the operation unit 11, so that the players “aa a”, “bbb”, “ccc”, “ddd”, “jjj”, and “kkk” You can choose either.
- “kkk” is selected as the competitor for whom the tracking mark 111 is to be displayed.
- step S153 the tracking mark generator 42 generates a tracking mark 111 at the position of the selected player based on the meta information. That is, in FIG. 5, since “kkk” is selected as the player who wants to display the tracking mark 111 on the selection frame 103 force “kkk”, the tracking mark generation unit 42 sets the time “00:04”. The tracking mark 111 is generated around the coordinates (Xk4, Yk4) of “k kk” at the timing of “00”. Needless to say, the tracking mark 111 may be a force indicated by a circle or another shape in FIG.
- step S 154 the time scale bar generating unit 43 generates the time scale bar 104 based on the supplied meta information. That is, in FIG. 5, a time scale bar 104 is displayed at the bottom of the image display unit 101, and further, the horizontal length of the time scale bar 104 is “95:00:00” as a whole. The current mark 105 is displayed at the position indicating the ratio at the time “0 0:04:00”. The time scale bar generating unit 43 generates the time scale bar 104 and indicates the ratio at the time “00:00:00” when the horizontal length is “95:00:00” as a whole. The position is obtained by calculation, and a current mark 105 is added to the position to generate an image of the time scale bar 104.
- the synthesizing unit 13 includes these additional image information on the video stream image of the soccer game read and displayed from the stream file 4 by the processing of step S61.
- FIG. 5 shows a case where the tracking mark 111 is displayed once and is set so that the color gradually fades and disappears over a predetermined time, and as a result, the cumulative number of selected athletes is shown. Since it is displayed as an afterimage of the tracking mark 111, it becomes easier to recognize the direction of movement, etc., and it becomes possible to watch the movement of the selected athlete with more attention.
- the tracking mark displayed as an afterimage is indicated by a dotted line! /.
- the image including the audio reproduced based on the stream file 4 is recorded from the soccer broadcast, and the tracking mark is attached to the player selected as the additional image information.
- the tracking mark is attached to the player selected as the additional image information.
- a correlation diagram of characters may be displayed as additional image information.
- Figure 6 shows a reproduction that displays a correlation diagram of characters as additional image information in the case of an image power S including a sound reproduced based on the stream file 4, a drama or a movie, etc.
- a configuration example of the device 1 is shown.
- the same components as those in the playback apparatus 1 in FIG. It will be omitted as appropriate.
- the playback device 1 in FIG. 6 differs from the playback device 1 in FIG. 1 in that an additional image information generation unit 141 is provided in place of the additional image information generation unit 35 and the contents of the meta information file 3 It is.
- the additional image information generation unit 141 includes a face image frame generation unit 151, a group frame generation unit 152, a correlation generation unit 153, a time scale bar generation unit 154, and a cast frame generation unit 155.
- the face image frame generation unit 151 generates a face image frame of the character based on the meta information.
- the group frame generation unit 152 generates a group frame image for grouping and displaying the face image frames based on grouping information included in the meta information for grouping the characters!
- the correlation generation unit 153 generates an arrow-like correlation image indicating the relationship between the characters.
- the time scale bar generation unit 154 Based on the meta information, the time scale bar generation unit 154 generates an image of the time scale bar that indicates the playback position relative to the total playback time of dramas and movies read from the stream file 4 and the events in the story. To do.
- the cast frame generation unit 155 generates an introduction image of the characters based on the meta information.
- step S 171 additional image information generation section 141 generates an image for displaying window 202 (FIG. 9) for displaying a correlation diagram as additional image information.
- step S172 the face image frame generation unit 151 reads the position information of the face image for each character based on the meta information, and generates a face image frame. That is, the meta information file 3 in the playback device 1 in FIG. 6 is, for example, as shown in FIG. Fig. 8 shows the ID set for each character from the left, the name of the character, and the display center position of the face image frame, grouping information, correlation information, and face image storage position for each playback time. Has been.
- the information of the face image of the character“ aaa ” is stored in“ c: ⁇ face3 ⁇ 4aa.jpg ”! /, Respectively.
- the center position coordinates on the screen of the face image are the coordinates (Xa3010, Ya3010) at the time “00:50:10”, and the grouping information Gr
- “con profession” is registered as an important event in the story.
- the face image frame generation unit 151 displays characters “aaa”, “bbb”, and “ Each face image frame 221-1 to 221-1 of "ccc" is generated.
- FIG. 9 an image of a drama or movie being played by the stream playback unit 16 from the stream file 4 is displayed on the image display unit 201, and a window 202 showing additional image information is displayed. Note that the drama and movie images displayed on the image display unit 201 are omitted in FIG.
- the face image frame generation unit 151 moves on the window 202
- Face images of the characters “aaa”, “bbb”, and “ccc” centered around the positions (Xa2, Ya2), (Xb2, Yb2), and (Xc2, Yc2) (c: ⁇ face3 ⁇ 4aa. jpg), (c: ⁇ face ⁇ bbb.jp g), and (c: ⁇ face ⁇ cc jpg), and generate them as face image frames 221-1 to 221-3 in FIG.
- step S173 the group frame generator 152 creates a group based on the meta information. Generate a frame 211. That is, for example, at time “00:02:00”, the grouping information of the characters “aaa”, “bbb”, and “ccc” is all Gr (best friends), so the same gnolep A group frame 211 is generated so as to enclose the face image frames 221-1 to 221-3 having information, and “best friends” is attached as a group configuration.
- the shape of the end point of the arrow starting from itself is “from” or “to”. In the case of “from”, the shape of the end point of the arrow starting from itself indicates no arrow symbol. In the case of “to”, the shape of the end point of the arrow starting from itself is an arrow symbol. Indicates.
- correlation 222-1 with no arrow sign is constructed.
- the correlation 222-1 is formed in an arrow shape from the face image frame 221-2 to the face image frame 221-1.
- the correlation 222-1 has a heart mark displayed at the bottom.
- step S175 the time scale bar generating unit 154 generates the time scale bar 203 based on the supplied meta information. That is, in FIG. 9, a time scale bar 203 is displayed at the bottom of the image display unit 201, and further, the horizontal length as a whole is displayed on the time scale bar 203 as “01:53:20”. The current mark 204 is displayed at the position indicating the ratio at the time “00:02:00”. The time scale bar generation unit 154 generates the time scale bar 203 and calculates the ratio at the time “00:02:00” when the horizontal length is “01:53:20” as a whole.
- the position shown is calculated, the current mark 204 is added to that position, and the position on the time scale bar 203 indicating “con profession” at the time “00:50:10” is calculated as the event. Then, event marks 205 and 206 are attached to the positions, and an image on the time scale lever 203 is generated.
- characters “aaa” and “bbb” belonging to the same group of lovers are surrounded by “lovers” indicating a group.
- the arrow symbol that ends at Correlation 262-1 is constructed.
- Correlation 222-1 with the arrow symbol as the end point is constructed.
- the correlation 261-1 is configured in the shape of arrows in both directions of the face image frames 221-2 and 221-1. Furthermore, a heart mark is displayed at the bottom of correlation 261-1 to indicate “favor”.
- step S176 the additional image information generation unit 141 determines whether or not the operation unit 11 has been operated and the face image frame 221 of a specific character has been designated. For example, as shown in FIG. 11, when the face image frame 221-1 is selected, in step S177, a window 271 titled “Cast Introduction” for displaying the cast frame is generated. At the same time, the selected face image frame 221-1 is changed to be easily recognized by making the selected face image frame 221-1 thick. [0129] In step S178, cast frame generation section 155 displays the person introduction for each character on window 271 based on the meta information.
- the cast frame generation unit 155 determines the face image from (c: ⁇ face3 ⁇ 4aa.jpg), (c: ⁇ face ⁇ bbb.jpg), and (c: ⁇ face ⁇ ccc • jpg), which are the storage positions of the face image.
- a test reading the a storage location of the introduction information (c: ⁇ c as t ⁇ aaa .txt), (c: ⁇ cast ⁇ bbb.txt), and: a (c ⁇ cast ⁇ cc txt) each Access and read out to generate the respective cast frames 281 to 283.
- a test reading the a storage location of the introduction information (c: ⁇ c as t ⁇ aaa .txt), (c: ⁇ cast ⁇ bbb.txt), and: a (c ⁇ cast ⁇ cc txt) each Access and read out to generate the respective cast frames 281 to 283.
- the cast frame 281 belongs to the selected character “aaa”, and therefore, with a face image larger than the other cast frames, “Popularity of the class.
- the cast frame 2 82 is labeled “Slightly difficult man” as the character introduction along with the face image of the unselected character “bbb”, and the cast frame 283 is selected. Along with the face image of the character “ccc” that has not been added, the character introduction is described as "Somewhat strange".
- step S176 If it is determined in step S176 that the face image frame 221 of the specific character is not selected, the processing in steps S177 and S178 is skipped, and the window 271 is not displayed. .
- Fig. 12 uses meta information files 3-1, 2-2 with different formats to provide images including audio reproduced from stream file 4 with additional image information.
- 2 shows an example of the configuration of the reproduction apparatus 1. Since they are recorded in different formats, they are set as independent files.
- the same components as those of the playback apparatus 1 of FIG. 1 are denoted by the same reference numerals, and description thereof is omitted.
- the playback apparatus 1 in FIG. 12 differs from the playback apparatus 1 in FIG. 1 in that meta information file reading sections 14-1 and 14-2 are provided in place of the meta information file reading section 14. is there.
- Meta information The information file reading units 14-1 and 14-2 have the same reproduction information acquisition units 51-1 and 51-2, respectively, but the reading unit 52-1 has a meta information file recorded in the format A.
- the meta information is read from the data 3-1 and the reading unit 52-2 reads the meta information from the meta information file 3-2 recorded in the format B.
- meta information files with different formats can be handled, so that format A can be easily edited as a file with a plain text format, and format B is a compressed meta file.
- editing can be facilitated, and the capacity of the recording medium can be efficiently used to use the meta information file.
- the additional image information providing unit 12 includes the reading units 52-1 and 52. A combination of the meta information read in 2 is supplied.
- steps S81 to S84 which are the processing of the meta information file reading unit 14 described with reference to the flowchart of Fig. 2, are performed as the meta information file reading unit 14-1. , 14 2 are performed independently of each other, and the description thereof is omitted.
- information acquisition means represented by downloading using a network may be used.
- meta information may be added or replaced, so that it is possible to provide viewers with a new way of enjoying the packaged media without having to replace the packaged media. Therefore, even after purchasing the package media, the viewer can enjoy the functions that cannot be enjoyed at the time of purchase by adding them as additional image information.
- the meta information file generating apparatus 101 in FIG. 13 performs the meta information file shown in FIG. 4 or FIG.
- the operation unit 111 includes a keyboard and operation buttons.
- the operation unit 111 is operated when inputting the reproduction time of the stream and the meta information at the corresponding reproduction time, and obtains the time information of the reproduction time according to the operation content.
- the meta information at the corresponding playback time is supplied to the meta information acquisition unit 113.
- the operation unit 111 is operated when specifying the format of the meta information file 3 or when specifying the priority mode when determining the format of the meta information file 3, and depending on the operation content.
- the information is supplied to the format converter 115.
- the time information acquisition unit 112 acquires information specifying the reproduction time input by operating the operation unit 111 and stores the information in the storage unit 114.
- the meta information acquisition unit 113 acquires the meta information input by operating the operation unit 111 and stores it in the storage unit 114.
- the storage unit 114 associates the information specifying the playback time supplied from the time information acquisition unit 112 with the meta information supplied from the meta information acquisition unit 113, so that the meta information file 3 Store as.
- the format conversion unit 115 converts the format of the meta information file 3 stored in the storage unit 114 according to the format or mode specified by the operation unit 111 and supplies the converted format to the recording unit 116.
- the mode here indicates the priority for selecting one of a plurality of formats. For example, when a mode that is easy for humans to recognize is specified, the format The conversion unit 115 converts the meta information file 3 in a format format that is most easily recognized by humans among a plurality of format formats, and when the mode that minimizes the capacity is designated, the conversion unit 115 converts the capacity. When a mode suitable for processing by the information processing device is specified, it is converted to a format of the optimum format for processing by the information processing device.
- the recording unit 116 records the meta information file 3 supplied from the format conversion unit 115 and formatted in a predetermined format on the recording medium 121. At this time, the recording unit 116 performs format conversion corresponding to the recording format of the recording medium 121, and then records the meta information file 3 on the recording medium 121.
- step S191 the time information acquisition unit 112 determines whether or not the operation unit 111 is operated and information on the playback time of the video stream corresponding to the meta information registered in the meta information file 3 is input. The same processing is repeated until it is determined that it has been input.
- step S191 it is determined that the playback time information of the video stream has been input as the playback time information, for example, "00: 01: 0" or "00:50:10".
- the reproduction time information input by the operation unit 111 is acquired and supplied to the storage unit 114 in step S192.
- step S193 the meta information acquisition unit 113 determines whether or not the meta information has been input by operating the operation unit 111, and repeats the same processing until it is determined that the meta information has been input.
- step S193 when displaying the position information for each athlete in the video stream of a soccer game as the meta information, the information for each athlete as shown in Fig. 4 is displayed.
- the meta information input by the operation unit 111 is acquired and supplied to the storage unit 114 in step S194.
- event information such as “confession” is input as meta information, as shown in FIG. It ’s good to be done.
- step S195 the storage unit 114 associates the reproduction time information supplied from the time information acquisition unit 112 with the meta information supplied from the meta information acquisition unit 113, for example, Store as meta information file 4 as shown in FIG. 4 or FIG.
- step S196 the time information acquisition unit 112 determines whether or not there is meta information at another playback time newly registered in the meta information file 3 according to the operation content of the operation unit 111, and If it is determined that there is new meta information at another playback time, the process returns to step S191. That is, the processes in steps S 191 to S 196 are repeated until there is no meta information to be newly registered.
- step S196 If there is no new meta information to be registered in step S196, the format conversion unit 115 in step S197 operates the operation unit 111 to convert the meta information file.
- the power to select the format, or the power to select the format format to convert the meta information file by determining whether the mode for selecting the format format has been entered, or The same process is repeated until a mode for selecting a format is entered.
- step S197 for example, when the format format is selected, or when the mode for selecting the format format is determined, in step S198, the format conversion unit 115 is selected.
- the meta information file 3 stored in the storage unit 114 is converted into the format of the format or the format of the format to be selected according to the mode, and supplied to the recording unit 116.
- step S199 the recording unit 116 stores the format-converted meta information file 3 supplied from the format conversion unit 115 on the recording medium 121 of a predetermined format as an independent file separate from the stream file. Record.
- meta information file 3 converted to the specified file format is generated.
- the meta information file 3 is generated as a file independent of the stream file 4, when editing only the meta information, only the meta information file 3 generated as described above is edited. Therefore, it is possible to edit independently of stream file 4.
- the meta information file 3 and the stream file 4 can be provided independently, for example, even when the meta information file 3 corresponding to multiple languages is required, the stream file 4 is duplicated. Therefore, it is not necessary to record on the recording medium, so that the recording capacity can be minimized.
- you want to edit only the meta information you can edit only the meta information file 3.
- Meta information file is set independently of the stream file, it is possible to replace only the metadata file by file replacement (Name mapping) and display the latest information.
- file replacement Name mapping
- new metadata is acquired through a network or the like by a playback device, If the actor appears in the place where it appears!
- the series of image processing described above can be executed by software S, which can be executed by software.
- various functions can be executed by installing a computer built into dedicated hardware or various programs that make up the software. For example, it is installed from a recording medium in a general-purpose personal computer.
- FIG. 15 shows a configuration example of a general-purpose personal computer.
- This personal computer incorporates a CPU (Central Processing Unit) 1001.
- An input / output interface 1005 is connected to the CPU 1001 via the bus 1004.
- Bus 1004 has It is.
- the input / output interface 1005 includes an input unit 1006 including an input device such as a keyboard and a mouse for a user to input an operation command, an output unit 1007 for outputting a processing operation screen and an image of the processing result to a display device, a program and various types Storage unit 1008, such as a hard disk drive that stores data
- ROM Compact Disc-Read Only Memory
- DVD Digital Versatile Disc
- magneto-optical disc including MD (Mini Disc)
- semiconductor memory Drive 1010 is connected.
- the CPU 1001 is read from a program stored in the ROM 1002 or a removable medium 1011 such as a magnetic disk, an optical disk, a magneto-optical disk, or a semiconductor memory and installed in the storage unit 1008. Therefore, various processes are executed according to the program loaded in the RAM 1003.
- the RAM 1003 also appropriately stores data necessary for the CPU 1001 to execute various processes.
- the step of describing the program recorded on the recording medium is not limited to the process performed in time series in the described order, but of course not necessarily performed in time series. Including processing executed in parallel or individually.
Description
Claims
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JP2012249156A (ja) * | 2011-05-30 | 2012-12-13 | Sony Corp | 情報処理装置、情報処理方法、及びプログラム |
JP2019161318A (ja) * | 2018-03-08 | 2019-09-19 | 株式会社Hysエンジニアリングサービス | 移動体情報伝送システム |
JP2020107196A (ja) * | 2018-12-28 | 2020-07-09 | キヤノン株式会社 | 画像処理装置または画像処理サーバー |
JP7282519B2 (ja) | 2018-12-28 | 2023-05-29 | キヤノン株式会社 | 画像処理装置または画像処理サーバー |
Also Published As
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US20100215334A1 (en) | 2010-08-26 |
JPWO2008041629A1 (ja) | 2010-02-04 |
TW200832370A (en) | 2008-08-01 |
TWI368906B (ja) | 2012-07-21 |
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