WO2003079690A1 - Video information delivery apparatus and reception apparatus - Google Patents
Video information delivery apparatus and reception apparatus Download PDFInfo
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- WO2003079690A1 WO2003079690A1 PCT/JP2002/002477 JP0202477W WO03079690A1 WO 2003079690 A1 WO2003079690 A1 WO 2003079690A1 JP 0202477 W JP0202477 W JP 0202477W WO 03079690 A1 WO03079690 A1 WO 03079690A1
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- moving image
- image
- related information
- skipped
- request
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- 238000003860 storage Methods 0.000 claims abstract description 64
- 238000009826 distribution Methods 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 21
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- 238000001514 detection method Methods 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 abstract description 14
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- 239000002131 composite material Substances 0.000 description 14
- 239000000284 extract Substances 0.000 description 5
- 235000009508 confectionery Nutrition 0.000 description 4
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Classifications
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234345—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements the reformatting operation being performed only on part of the stream, e.g. a region of the image or a time segment
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
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- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
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- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
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- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
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- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
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- 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
- H04N21/47202—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 content on demand, e.g. video on demand
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- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
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- H04N21/81—Monomedia components thereof
- H04N21/812—Monomedia components thereof involving advertisement data
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- 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
- H04N7/17336—Handling of requests in head-ends
Definitions
- Video information distribution device and receiving device are Video information distribution device and receiving device
- the present invention relates to a system for distributing video information, and in particular, to a distribution device for distributing video information in response to a request from a user, a receiving device for receiving video information distributed from a server device, and a video receiving device
- the present invention relates to a storage device for storing data.
- VOD Video on Demand
- the terminal device that receives and displays the video information usually has a function of requesting the server device to distribute the moving image, and a special reproduction (a skip of the moving image, a fast forward reproduction, a pause). Etc.).
- the server reads the video content corresponding to the request from the user from the storage device and distributes it to the user's terminal device, as shown in FIG.
- the server device has a function of skipping a moving image or temporarily stopping distribution of the moving image according to a user's request.
- a video that the user wants to always see is inserted.
- an advertisement video of a sponsor of the video information is inserted in the distributed video information.
- the user when playing back the received video information, the user often uses the special playback function described above. To skip the advertisement video.
- the advertising video is not seen by the users, it is expected that under the current business model, sponsors will not provide funding for the production of video content. In other words, there is a risk that high-quality yarns may be reduced.
- An object of the present invention is to provide a method for ensuring that a user can view specific information (particularly, advertisement information) included in a distributed video content in a system in which the video information is distributed. With the goal.
- a video information distribution device of the present invention is a device that distributes a moving image in response to a request from a terminal device, and is skipped when a request to skip a part of the moving image is received.
- Determining means for determining whether a predetermined specific image is included in a part of the moving image; and when the specific image is included in a part of the skipped moving image.
- transmitting means for transmitting related information corresponding to the specific image together with the skipped moving image to the terminal device.
- the specific image When the video distribution device is used in the video distribution system, the specific image When the image is skipped, the related information corresponding to the specific image is transmitted to the terminal device. Therefore, even if the specific image is skipped, the related information corresponding to the specific image is displayed on the terminal device. That is, the information related to the specific image can be surely shown to the user.
- the video information distribution apparatus may be configured to further include storage means for storing the related information, and combining means for combining the skipped moving image and the related information stored in the storage means. Good.
- the transmitting unit transmits the image combined by the combining unit to the terminal device. According to this configuration, it is possible to cause the terminal device to display an image in which related information is incorporated into the skipped moving image.
- the video information distribution device further includes a storage unit for storing the related information, and the transmitting unit multiplexes the skipped moving image and the related information and transmits the multiplexed moving image and the related information to the terminal device. It may be configured. In this case, the skipped moving image and related information are combined and displayed on the terminal device.
- the video information receiving device of the present invention is used for receiving a moving image from the server device in a system in which the moving image is distributed from the server device in response to a request from a user, and skips a part of the moving image.
- Requesting means for transmitting a request to the server device, and obtaining related information corresponding to the specific image when a predetermined specific image is included in a part of the skipped moving image
- display means for displaying the related information together with the skipped moving image on a display device.
- the video information receiving apparatus when the specific image is skipped, related information corresponding to the specific image is received from a server device or the like. Therefore, even if the specific image is skipped, the related information corresponding to the specific image can be displayed on the display device. In other words, the information related to a specific image is surely seen by the user. Can be made.
- FIG. 1 is a diagram showing basic functions of the server device.
- FIG. 2 is a configuration diagram of the video information distribution system.
- FIG. 3 is a diagram showing the structure of MPEG video data.
- FIG. 4 is a diagram showing a data structure of MPEG audio.
- FIG. 5 is a diagram showing the structure of a pack when video data and audio data are stored.
- FIG. 6 is a configuration diagram of the server device according to the first embodiment.
- FIG. 7 is a diagram schematically showing video content stored in the server device.
- FIG. 8A and FIG. 8B are diagrams schematically showing a moving image distribution operation when a skip request is input.
- FIG. 9 is a diagram illustrating the operation of the server device.
- FIG. 10 is a diagram illustrating an example of the operation of the transmission unit provided in the server device.
- FIG. 11A and FIG. 11B are diagrams showing examples of the arrangement of the main image image related information.
- FIG. 12 shows a modification of the server device of the first embodiment.
- FIG. 13 is a diagram showing a main part of a server device for transmitting related information corresponding to a user attribute to a user terminal.
- FIG. 14 is a configuration diagram of a transmission unit of the server device used in the second embodiment.
- FIG. 15 is a configuration diagram of a user terminal used in the second embodiment.
- Figure 16 shows a user request and data distribution in response to the request. is there.
- FIG. 17 is a configuration diagram of the user terminal 10 used in the third embodiment.
- FIG. 18 is a configuration diagram of a storage device that receives and stores moving image data.
- FIG. 2 is a configuration diagram of the video information distribution system.
- a user terminal 10 is connected to a server device 20 via a network, and requests the server device 20 to deliver a moving image.
- this network may be a public network or a private network. Further, a part or all of this network may be a wireless network.
- the communication protocol is not particularly limited.
- the server device 20 distributes a moving image according to a request from the user terminal 10.
- the user terminal 10 includes a request unit 11 for transmitting a request from a user to the server device 20 and a reproducing unit 12 for reproducing moving image data received from the server device 20.
- the request from the user includes “play”, “stop”, “fast forward play”, “skip”, and the like.
- the user terminal 10 includes a display device 13 that displays a moving image distributed from the server device 20.
- the server device 20 includes a receiving unit 21, a storage device 22, a control unit 23, and a transmitting unit 24.
- the accepting unit 21 accepts a user request sent from the user terminal 10.
- the storage device 22 stores moving image data of video information to be delivered to the user terminal 10.
- the control unit 23 reads the corresponding moving image data from the storage device 22 in accordance with the user request received by the reception unit 21. Then, the transmission unit 24 transmits the moving image data read from the storage device 22 by the control unit 23. Data to the user terminal 10.
- the user can receive and view desired video content by sending a request to the server device 20 using the user terminal 10.
- the moving image data (including audio data) stored in the storage device 22 is not particularly limited, it is assumed that the moving image data conforms to, for example, the specifications defined in MPEG (Moving Picture Experts Group).
- MPEG Motion Picture Experts Group
- FIG. 3 is a diagram showing the structure of video data of MPEG.
- the MPEG video data consists of a sequence header (SH) followed by a group of pictures (GOP), and a sequence end code (SEC) is provided at the end.
- Each group-op picture (GOP) contains multiple pictures.
- Each group-of-picture (GOP) is basically composed of an I-picture (intra-frame coded image), a P-picture (inter-frame forward prediction coded image), and a B-picture (inter-frame bidirectional prediction code). Image).
- Each picture data is composed of a plurality of slices, and each slice is composed of a plurality of macroblocks (MB).
- Each macro block (MB) is composed of a luminance signal (Y) and color difference signals (Cb, Cr).
- the luminance signal (Y) is composed of four 8 ⁇ 8 blocks, and the color difference signals (Cb, Cr) are each composed of one 8 ⁇ 8 block.
- Access to the video data is basically performed on a group-by-picture (GOP) basis.
- the moving image data is compressed by discrete cosine transform (DCT), quantization, variable coding, and the like in units of the above 8 ⁇ 8 blocks.
- DCT discrete cosine transform
- FIG. 4 is a diagram showing a data structure of MPEG audio.
- MP EG Aude The audio data is composed of an AAU (Audio Access Unit) created for each frame.
- the AAU is the smallest unit that can be decoded into an audio signal and contains a fixed number of samples (384 samples).
- AAU consists of header, error check (EC), and audio data.
- the error check (EC) is, for example, a 16-bit CRC, but is not an essential element.
- the audio data is composed of allocation, scale data, and samples.
- the allocation is bit allocation information.
- the scan factor indicates the magnification at the time of waveform reproduction of each channel.
- a sample is encoded sampling data.
- the video data is packetized in picture units or GOP units.
- audio data is packetized in AAU units.
- a “pack” is formed by bundling the video buckets or audio buckets of the constant number.
- Each pack is provided with a pack header and a system header.
- the knock header includes an SCR (System Clock Reference) that indicates a reference time for reproducing moving image data.
- the system header includes information indicating the bit rate, information indicating the number of channels of the video channel Z audio channel, and the like.
- a time stamp indicating the replay timing is added to the moving image data.
- a PTS Presentation Time Stamp
- a DTS (Decoding Time Stamp) for managing the data is added.
- the skipped moving image when a part of a moving image is skipped by a user request, it is checked whether or not an advertisement image is included in the skipped moving image.
- the skipped moving image includes an advertising image
- the skipped moving image is displayed when the skipped moving image is displayed on the display device 13 of the user terminal 10.
- the corresponding relevant information is displayed on the display device 13.
- the related information is information related to the advertisement image inserted in the moving image transmitted to the user terminal 10 and may be character data or still image data. Or moving image data. Further, the related information is basically composed of text information or image information obtained by simplifying the content of the corresponding advertisement image.
- the related information corresponding to the advertisement image of a confectionery is composed of information indicating the name of the company that manufactures the confectionery, information indicating the name of the confectionery, information indicating the characteristics of the confectionery, a cell point, etc. You.
- FIG. 6 is a configuration diagram of the server device 20 according to the first embodiment.
- the server device 20 reads out the corresponding moving image data of the video content from the video content storage device 31 in accordance with the request from the user, and distributes it to the user terminal 10.
- the video content storage device 31 may be realized as a part of the server device 20 or may be realized by a device independent of the server device 20.
- the video content storage device 31 stores moving image data of video content to be delivered to the user terminal 10.
- the video content delivered to the user terminal 10 is composed of a main image and an advertisement image (CM) as shown in FIG.
- CM advertisement image
- the video content is stored in the storage device 31
- the video content that is being used may be referred to as an original video or original image.
- the request from the user includes at least information for identifying the user or the user terminal 10 and information indicating the content of the request.
- the server device 20 accepts at least a reproduction request, a stop request, a fast-forward request, and a skip request. That is, the user terminal 10 can allow the user to select at least any request among “play”, “stop”, “fast-forward playback”, and “skip”.
- the request from the user is accepted by the accepting unit 21.
- the accepting unit 21 analyzes the received user request, and notifies the read result to the control unit 32.
- the read control unit 32 reads the moving image data of the specified video content from the video content storage device 31.
- the transmitting section 24 transmits the moving image data to the user terminal 10.
- the moving image distributed from the server device 20 is displayed on the display device 13 of the user terminal 10. For example, when the video content shown in FIG. 7 is distributed to the user terminal 10, the display device 13 displays a video in which an advertisement image is inserted in the middle of the main image.
- the accepting unit 21 detects the skip start time and the skip end time, and notifies the read control unit 32 and the determination unit 33 of the results.
- the read control unit 32 reads the video data up to the skip start time and then reads the video data after the skip end time without reading the video data from the skip start time to the skip end time. read out.
- the judging unit 33 checks whether or not the advertisement image includes the advertisement image during the period from the skip start time to the skip end time. If an advertisement image was included during that period, the related information storage unit 3 The related information corresponding to the skipped advertisement image is read out from 4 and passed to the transmitting unit 24.
- the transmitting unit 24 Upon receiving the relevant information from the determining unit 33, the transmitting unit 24 generates a composite image including the skipped moving image and the relevant information, and transmits the composite image to the user terminal 10.
- FIG. 8A and FIG. 8B are diagrams schematically showing a moving image distribution operation when a skip request is input.
- the original video stored in the video content storage device 31 is composed of image A, image B, image C,... Image H, image I, image J,.
- the image G is an advertisement image and is a moving image for a predetermined time (for example, 60 seconds).
- the read control unit 32 when a request to skip images D and E is input, the read control unit 32 reads images A to C, skips images D and E, and reads images G to J. Is read. At this time, since the advertisement image is not included in the moving image specified by the skip request, the determination unit 33 notifies the transmission unit 24 of that. Then, the transmission unit 24 transmits the images A to C and G to J read by the read control unit 32 to the user terminal 10. Therefore, in this case, the images G to J are displayed on the display device 13 of the user terminal 10 subsequent to the images A to C. On the other hand, in FIG.
- the reading control unit 32 reads the images A to F, then skips the image G and reads the images H to J. .
- the determination unit 33 reads the related information g corresponding to the image G from the related information storage unit 34 and transmits the read information to the transmission unit 2. Pass to 4.
- the transmitting unit 24 Upon receiving the related information g, the transmitting unit 24 combines the original image and the related information g at a predetermined timing after the skip.
- the related information g is combined with the original image immediately after the image skipping ends. You. That is, a composite image including the image H and the related information g is generated. Therefore, in this case, when the moving image is displayed on the display device 13, a composite image including the image H and the related information g is displayed at the timing when the image H should be displayed.
- the image information distribution system of the first embodiment when an advertisement image is skipped by the user, information related to the advertisement image is displayed on the user terminal together with the skipped image. Therefore, even if the advertisement image is skipped, the image provider (or sponsor) can surely show the information related to the advertisement image to the user. On the other hand, the user can skip a moving image at a desired timing without paying any special cost.
- the skip request is input by the user using, for example, a skip button included in the user terminal 10.
- the user presses (or clicks on) the above-mentioned skip button to skip a part of the moving image.
- the “time to skip a moving image” is specified by, for example, the time during which the skip button is continuously pressed or the number of times the skip button is repeatedly pressed. Alternatively, the “time to skip a moving image” may be directly specified using a keyboard or the like.
- the user terminal 10 calculates “skip start time” and “skip end time”.
- the “skip start time” is, for example, the time when the user presses the skip button.
- the “skip end time” is the time when the “time to skip a moving image” has elapsed from the “skip start time”. Each of these times is measured with reference to the beginning of the moving image displayed on the display device 13. Further, these times may be determined by using, for example, the above-described SCR, PTS, DTS, and the like.
- the user terminal 10 sends “skip start time” and “skip time” as skip requests. "Kip end time” to the server device 20. Thereby, the server device 20 can recognize the time region in which the moving image should be skipped.
- the “skip start time” and “skip end time” may be calculated in the server device 20.
- FIG. 9 is a diagram illustrating the operation of the server device 20.
- the determination unit 33 has a table for managing an advertisement image inserted in the original video.
- the appearance time (start time and end time) of each advertisement image and a pointer indicating a storage location of related information are registered.
- the related information storage unit 34 stores related information corresponding to each advertisement image. These storage addresses are registered in the above table.
- the server device 20 receives a skip request from the user terminal 10 while a moving image is being distributed from the server device 20 to the user terminal 10.
- the skip request is accepted and analyzed by the accepting unit 21. Then, accepting section 21 generates skip time information and notifies read control section 32 and determination section 33 of the skip time information.
- the skip time information includes a “skip start time” and a “skip end time”.
- the read control unit 32 reads the moving image data from the video content storage device 31 according to the information. That is, when moving image data is read from the video content storage device 31, an area corresponding to “0: 20: 0-0 to 0: 21: 0” is skipped.
- the judgment unit 33 checks whether or not the advertisement image is included in the moving image skipped by the user by referring to the table described above.
- the moving image skipped by the user includes the advertisement image registered in the second record of the table shown in FIG. Therefore, in this case, the pointer B corresponding to the advertisement image is obtained.
- the judgment unit 33 extracts the corresponding related information from the related information storage unit 34 using the pointer B, and passes it to the transmitting unit 24.
- the transmitting unit 24 transmits the moving image read by the read control unit 32 to the user terminal 10, and when the relevant information is given from the determining unit 33, the relevant information is also transmitted to the user terminal 10. Send to Hereinafter, the operation of the transmitting section 24 will be described with reference to FIG.
- the transmitting unit 24 first decodes the skipped moving image data read by the read control unit 32. As a result, each frame of the skipped moving image is generated. That is, for example, bitmap data of each frame constituting the skipped moving image is generated. At this time, the transmitting unit 24 decodes only the moving image data of the period corresponding to the display time of the related information given from the determining unit 33. For example, if the time for displaying the related information is 30 seconds, the moving image data for 30 seconds is decoded.
- the transmitting unit 24 reduces the image of each frame constituting the reproduced moving image, respectively.
- the process of reducing the image can be realized by a known technique.
- a composite image composed of the reduced image and the related information is generated.
- the related information is arranged in a margin area (margin area) obtained by reducing the original image.
- the transmitting section 24 encodes the composite image composed of the original image and the related information, and transmits the encoded image data to the user terminal 10.
- the arrangement of the original image and related information is not particularly limited, but may be, for example, at the top, bottom, right, left, or any corner of the frame.
- the layout is performed so that the related information is arranged.
- the example shown in FIG. 11A shows a case where related information (image information) is arranged in the lower left area of the frame.
- the example shown in FIG. 11B shows a case where related information (character information) is arranged in the lower end region of the frame.
- the related information is arranged in a blank area obtained by reducing the original image, but the present invention is not limited to this. That is, for example, the related information may be displayed so as to overwrite the original image without reducing the original image.
- the advertisement image when the advertisement image is skipped, the original image and the related information are combined in the server device 20, but the moving image data of the combined image including the original image and the related information is combined. May be prepared in advance.
- a combined image storage unit 35 is provided instead of the related information storage unit 34.
- the composite image storage unit 35 stores, for example, moving image data of a composite image including an original image and related information.
- the transmission unit 24 includes a selection unit 36 that selects one of the moving image data read by the read control unit 32 and the moving image data read from the composite image storage unit 35. .
- the selection unit 36 selects one of the moving image data according to the instruction from the determination unit 33. That is, the selection unit 36 normally selects and outputs the moving image data read by the read control unit 32, and reads out from the composite image storage unit 35 when the advertisement image is skipped. The selected moving image data is selected and output.
- the related information transmitted to the user terminal 10 when the advertisement image is skipped may be different for each user. That is, a plurality of pieces of related information are prepared for each advertisement image, and appropriate related information is selected and transmitted to the user terminal 10 according to the attributes of the user (for example, the age, gender, and family structure of the user). You may do so.
- FIG. 13 is a diagram showing a configuration for transmitting relevant information appropriate for each user.
- the determination unit 33 includes a table for storing the correspondence between the ID of each user and its attribute. Here, it is assumed that the attributes of each user are registered in advance. Further, the related information storage section 34 stores a plurality of types of related information for each advertisement image.
- the skip request includes the user ID and the skip time information. Then, in the example shown in FIG. 13, the pointer B is obtained based on the skip time information, and the attribute y is obtained based on the user ID. In this case, the determination unit 33 extracts the related information By from the related information storage unit 34. Then, the related information extracted in this way is transmitted to the user terminal 10.
- the server device 20 when the advertisement image is skipped, the server device 20 incorporates the related information corresponding to the skipped advertisement image into the skipped moving image. A synthesized image is generated. Then, the composite image is distributed to the user terminal 1 °. Therefore, the user terminal 10 can reproduce the moving image including the related information by decoding the received data. That is, the user terminal 10 does not need to provide any special function to display the related information.
- the server device 20 generates a composite image including the skipped original image and the related information, and transmits the composite image to the user terminal 20.
- the related information corresponding to the skipped advertisement image is transmitted to the user terminal 10 separately from the original image. Then, the original image and the related information are combined in the user terminal 10 and displayed on the display device 13.
- the configuration of the server device used in the video information distribution system of the second embodiment is basically the same as the server device used in the first embodiment. That is, the server device of the second embodiment also includes the receiving unit 21, the read control unit 32, the determining unit 33, and the related information storage unit 34 shown in FIG. Then, when the advertisement image is skipped, the related information corresponding to the advertisement image is extracted from the related information storage unit 34. However, the transmitting unit included in the server device 20 of the second embodiment is different from the transmitting unit of the first embodiment described above.
- the transmission unit of the server device includes, as shown in FIG. 14, a content transmission unit 41, a related information transmission unit 42, and a synchronization unit 43.
- the content transmission unit 41 transmits the moving image data read by the read control unit 32 to the user terminal 10 by using a predetermined port (# 0).
- the related information is given from the judging unit 33, the related information sending unit 42 sends the related information to the user terminal 10 by using a predetermined port (# 1). .
- the moving image data and related information are multiplexed by channel multiplexing and transmitted to the user terminal 10.
- These ports are, for example, Specified by TCP / IP port number.
- the synchronization between the moving image data and the related information is established by the synchronization unit 43.
- the moving image data and the related information may be multiplexed by another method. That is, the moving image data and the related information may be multiplexed by, for example, time division multiplexing.
- the related information corresponding to the advertisement image is transmitted from the server device 20 to the user terminal 10.
- the moving image data and the related information are multiplexed and transmitted to the user terminal 10 without combining the original image and the related information in the server device 20. Therefore, the user terminal 10 needs to have a function of extracting relevant information from the received data and displaying it on the display device 13.
- FIG. 15 is a configuration diagram of the user terminal 10 used in the second embodiment.
- the user terminal 10 of the second embodiment includes a request control unit 51, a separation unit 52, a time information extraction unit 53, a decoding unit 54, a related information reception unit 55, and a display control unit 56.
- the user terminal 10 has, as basic functions, a function of requesting the server device 20 to distribute video information, a function of receiving moving image data from the server device 20, and a function of receiving moving image data from the received moving image data. And a function of transmitting a user request to the server device 20. Note that these basic functions are also provided in the user terminal of the first embodiment.
- the request controller 51 analyzes the user input and creates a user request.
- the user input means, for example, that the user operates a reproduction button, a stop button, a fast forward button, a skip button, a key input button, and the like.
- the request control unit 51 transmits the created user request to the server device 20.
- the server device 20 As described above, the related information corresponding to the skipped advertisement image is transmitted to the user terminal 10.
- FIG. 16 is a diagram showing a user request and data distribution according to the request.
- the user terminal 10 transmits a reproduction request to the server device 20 according to an instruction from the user.
- the server device 20 starts transmitting the moving image data specified by the reproduction request.
- the user terminal 10 notifies the server device 20 of the skip start time and the skip end time.
- the server device 20 transmits to the user device 10 the related information corresponding to the skipped advertisement image together with the skipped moving image data.
- the moving image data stream distributed from the server device 20 to the user terminal 10 is composed of encoded video data and encoded audio data. It is assumed that the moving image data stream is provided with time information.
- the separation unit 52 extracts moving image data and related information from the received data. Specifically, assuming that the moving image data and the related information are transmitted using predetermined ports, the separating unit 52 receives the moving image data and the related information via the port allocated for the image data. The received data is sent to the decoding unit 54, and the data received via the port allocated for the related information is sent to the related information receiving unit 55. Alternatively, assuming that the moving image data and related information are multiplexed and transmitted by the time division multiplexing method, the demultiplexing unit 52 decodes the data extracted from the time slot allocated for the image data by the decoding unit 54 And the data extracted from the time slot allocated for the related information is sent to the related information receiving unit 55. Note that these processes can be realized by a known technique.
- the time information extracting unit 53 extracts the time information added to the received moving image data, and sends it to the request control unit 51.
- the decoding unit 54 reproduces a moving image by decoding the received moving image data. Then, the reproduced moving image is sent to the display control unit 56.
- the related information receiving unit 55 receives the related information.
- the display control unit 56 creates an image to be displayed on the display device 13 according to the instruction from the request control unit 51.
- the display control unit 56 displays the moving image reproduced by the decoding unit 54 on the display device 13. I do.
- the display control unit 56 reproduces the information by the decoding unit 54 according to the timing specified by the request control unit 51. The combined moving image and the related information are combined, and the combined image is displayed on the display device 13.
- the image synthesis processing by the display control unit 56 is basically the same as the processing in the server device 20 described with reference to FIG. That is, the image synthesis processing by the display control unit 56 performs a process of reducing each frame constituting the moving image reproduced by the decoding unit 54, and stores the relevant information in a blank area obtained by reducing the moving image. It is composed of processing to arrange.
- the video information distribution system when an advertisement image is skipped, related information corresponding to the skipped advertisement image is transmitted from the server device 20 to the user terminal 10. You. Then, the related information is incorporated in the skipped moving image and displayed on the user terminal 10. Therefore, it is not necessary to perform the image synthesizing process in the server device 20, and the load on the server device 20 is reduced.
- the advertisement image is skipped. Then, the related information corresponding to the advertisement image is transmitted from the server device 20 to the user terminal 10.
- the related information corresponding to the advertisement image is prepared in the user terminal 10 in advance, and when the advertisement image is skipped, the related information held in the user terminal is stored. Are extracted and displayed on the display device 1 3
- FIG. 17 is a configuration diagram of the user terminal 10 used in the third embodiment.
- the request control unit 51, the time information extraction unit 53, the decoding unit 54, and the display control unit 56 are basically the same as those described with reference to FIG.
- the request control unit 51 in the third embodiment transmits the user request to the server device 20 and also transmits the user information to the related information reading unit 58.
- the server device 20 transmits the advertisement image even if the advertisement image is skipped by the user request.
- the related information corresponding to the advertisement image is not sent to the user terminal 10.
- the related information storage unit 57 stores related information corresponding to the advertisement image included in the moving image image distributed from the server device 20.
- the related information is collectively received from the server device 20 before the start of the distribution of the moving image. That is, in this case, when the user terminal 10 requests the server device 20 to deliver the desired video content, the server device 20 first inserts the desired video content into the specified video content. The related information corresponding to the advertisement image is transmitted to the user terminal 10, and then the distribution of the moving image data of the specified video content is started.
- the related information reading unit 58 basically has the same function as the judging unit 33 shown in FIG. 6 and FIG. That is, the related information readout unit 58, like the determination unit 33 shown in FIG. 9, outputs information indicating the time at which each advertisement image is inserted, and each advertisement image. It has a table that manages pointers that point to storage locations of related information corresponding to images.
- the “information indicating the time when each advertisement image is inserted” is acquired from the server device 20, for example.
- the “pointer indicating the storage location of the related information” is registered when the related information received from the server device 20 is written in the related information storage unit 57.
- the related information reading unit 58 Upon receiving the skip request from the request control unit 51, the related information reading unit 58 refers to the above table and determines whether or not the advertisement image has been skipped by the user. Then, when the advertisement image is skipped, the related information reading unit 58 extracts the corresponding related information from the related information storage unit 57 and passes it to the display control unit 56.
- the display control unit 56 normally displays the moving image reproduced by the decoding unit 54 on the display device 13.
- a combination including the moving image reproduced by the decoding unit 54 and the related information extracted from the related information storage unit 57 is generated, and the combined image is displayed on the display device 1. Display in 3.
- the processing related to the skip request can be sped up.
- the advertisement image when an advertisement image is skipped, related information corresponding to the advertisement image is displayed on the display device 13.
- the advertisement image is also displayed when the skipped moving image is displayed.
- the server device 20 determines whether or not the advertisement image is included in the skipped moving image. At this time, If the advertisement image is included in the moving image to be read, the advertisement image is read out from the video content storage device 31 and held. Then, the advertisement image is combined with the skipped moving image, and the combined image is transmitted to the user terminal 10.
- the image compositing process includes a process of reducing the skipped moving image, a process of reducing the advertisement image, and a process of composing the images so that the reduced images are appropriately arranged. Is done. Note that the skipped moving image and advertisement image are arranged in a layout as shown in FIG. 11A, for example.
- a moving image is distributed from the server device 20 to the user terminal 10 in response to a user request.
- an apparatus for recording TV video and the like broadcasted from a broadcasting station will be described below.
- FIG. 18 is a configuration diagram of a storage device that receives and stores moving image data.
- the moving image data received by this device may be transmitted using a wireless signal or may be transmitted via a cable. Also, it is assumed that the transmitted moving image data is composed of a main image and an advertisement image as shown in FIG.
- the CM check unit 61 detects an advertisement image from the received moving image data.
- the function of identifying the main image and the advertisement image included in the moving image data and detecting the advertisement image can be realized by a known technique.
- the encoding unit 62 encodes the received moving image data using a predetermined encoding method.
- the time information adding unit 63 adds time information to the moving image data encoded by the encoding unit 62. Then, the moving image data is stored in the moving image data storage unit 64.
- the control unit 65 detects the start time and the end time of the advertisement image detected by the CM check unit 61. Further, the control unit 65 stores a table (corresponding to the table provided in the determination unit 33 shown in FIG. 9) for managing each advertisement image. create.
- the related information generation unit 66 generates related information corresponding to the advertisement image detected by the CM check unit 61. For example, it is assumed that identification information is added to each advertisement image, and character information corresponding to each advertisement image is prepared in advance. In this case, the related information generation unit 66 detects the identification information added to the advertisement image detected by the CM check unit 61, and outputs character information corresponding to the identification information. Alternatively, the related information generation unit 66 analyzes the content of the advertisement image detected by the CM check unit 61 using image recognition technology or voice recognition technology, and generates corresponding relevant information. Is also good.
- the time information provision section B 67 adds time information to the related information. Then, the related information is stored in the related information storage unit 68. In the table of the control unit 65, a pointer indicating the address at which the related information is stored is registered.
- the moving image data and related information accumulated as described above are used, for example, by the user terminal 10 shown in FIG.
- the moving image data read from the moving image data storage unit 64 is sent to the display control unit 56 via the date information extracting unit 53 and the encoding unit 54.
- the related information storage unit 68 shown in FIG. 18 corresponds to the related information storage unit 57 shown in FIG. That is, when the advertisement image is skipped by the user, the related information corresponding to the advertisement image is read by the related information reading unit 58 and sent to the display control unit 56. Then, the display control unit 56 outputs an image to be displayed on the display device 13.
- the storage device even when a TV video or the like broadcasted from a broadcasting station is recorded and an advertisement image is skipped when the recorded video is reproduced, the advertisement is not transmitted. It allows the user to view related information corresponding to the image.
- the configuration has been described in which the related information corresponding to the advertisement image is displayed when the advertisement image is skipped.
- the advertisement image is skipped. It is not limited to the case where it is locked. That is, the present invention is applied to a configuration in which, when a predetermined specific image in a distributed moving image is skipped, related information corresponding to the specific image is displayed.
- the “specific information” refers to, for example, a part that the distributor of the video information or the sponsor of the video information wants the user to particularly view.
- the “related information” may be any of character information, a still image, and a moving image.
- the present invention is not limited to the skip processing. That is, the present invention is also applied to the case where the advertisement image is specially reproduced in the user terminal.
- special playback includes fast forward playback.
- fast-forward playback a case where “fast-forward playback” is requested by the user will be described.
- the user terminal 10 has a function of receiving a “fast-forward request” from a user. Then, when the fast-forward request is input, the start time and the end time of the fast-forwarded image are notified to the server device 20.
- the basic configuration of the server device 20 is as shown in FIG. 6 or FIG.
- the determination unit 33 checks whether the advertisement image has been fast-forwarded instead of checking whether the advertisement image has been skipped. Then, if the advertisement image is fast-forwarded, the related information corresponding to the advertisement image is transmitted to the user terminal 10.
- the advertisement image is fast-forwarded, the related information corresponding to the advertisement image is displayed on the display device 13.
- a predetermined specific image such as an advertisement
- related information corresponding to the specific image is displayed. Therefore, information related to the advertisement can be reliably transmitted to the user.
- users insert specific images, such as advertisements, into the distributed moving images. Even if it has been performed, the moving image can be skipped or specially played at a desired timing.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Graphics (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Description
Claims
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JP2003577543A JP4283682B2 (ja) | 2002-03-15 | 2002-03-15 | 映像情報配信装置および受信装置 |
KR1020047014466A KR100683616B1 (ko) | 2002-03-15 | 2002-03-15 | 영상 정보 배신 장치 및 수신 장치 |
EP02705239A EP1487212A4 (en) | 2002-03-15 | 2002-03-15 | APPARATUS FOR PROVIDING VIDEO INFORMATION AND RECEPTION APPARATUS |
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US12/116,711 US20090178092A1 (en) | 2002-03-15 | 2008-05-07 | Video picture information delivering apparatus and receiving apparatus |
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US9032456B2 (en) | 1999-12-21 | 2015-05-12 | Tivo Inc. | Modifying commercials for multi-speed playback |
JP2006287638A (ja) * | 2005-03-31 | 2006-10-19 | Fujitsu Ltd | 表示装置 |
JP4664108B2 (ja) * | 2005-03-31 | 2011-04-06 | 富士通株式会社 | 表示装置、表示方法、表示プログラム及び表示システム |
JP5013141B2 (ja) * | 2007-04-04 | 2012-08-29 | 日本電気株式会社 | コンテンツ配信システム、コンテンツ配信方法及びそれらに用いる変換装置 |
WO2010046965A1 (ja) | 2008-10-21 | 2010-04-29 | 富士通株式会社 | デジタル放送方法、データ受信装置、データ送信装置、データ受信プログラムおよびデータ送信プログラム |
WO2010046971A1 (ja) | 2008-10-21 | 2010-04-29 | 富士通株式会社 | データ伝送装置およびデータ受信装置 |
US8769562B2 (en) | 2008-10-21 | 2014-07-01 | Fujitsu Limited | Digital broadcast method, data receiving device, and data transmitting device |
US8879581B2 (en) | 2008-10-21 | 2014-11-04 | Fujitsu Limited | Data transmitting device and data receiving device |
WO2010125771A1 (ja) * | 2009-04-28 | 2010-11-04 | パナソニック株式会社 | コンテンツ配信装置 |
EP2642763A1 (en) | 2012-03-23 | 2013-09-25 | Fujitsu Limited | Data output method, data output program, and terminal device |
US9301104B2 (en) | 2012-03-23 | 2016-03-29 | Fujitsu Limited | Data output method, data output program, and terminal device |
Also Published As
Publication number | Publication date |
---|---|
CN1623329A (zh) | 2005-06-01 |
EP1487212A1 (en) | 2004-12-15 |
US7962943B2 (en) | 2011-06-14 |
US20050034163A1 (en) | 2005-02-10 |
AU2002238920A1 (en) | 2003-09-29 |
JP4283682B2 (ja) | 2009-06-24 |
EP1487212A4 (en) | 2009-05-20 |
JPWO2003079690A1 (ja) | 2005-07-21 |
KR100683616B1 (ko) | 2007-02-16 |
CN100355282C (zh) | 2007-12-12 |
US20090178092A1 (en) | 2009-07-09 |
KR20040091740A (ko) | 2004-10-28 |
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