KR20100002759A - Method and system for providing service to recommend vod using information of objects in a moving picture - Google Patents

Abstract

PURPOSE: A VOD(Video On Demand) recommendation service providing method and a system utilizing the movie object information are provided to reduce a menu surfing time of a VOD menu by recommending the object and the related VOD. CONSTITUTION: A video contents server(120) transmits video contents to a user terminal(30). An object information service server offers the video contents and object information file to the user terminal. The user terminal transmits and receives a video object information system. A client program is operated in the user terminal. A video object information service is proceed. The client program obtains the information about the specific object with the interpretation of the object information file from the movie object information system.

Description

Method and system for providing video recommendation service using video object information {METHOD AND SYSTEM FOR PROVIDING SERVICE TO RECOMMEND VOD USING INFORMATION OF OBJECTS IN A MOVING PICTURE}

The present invention relates to a method and system for providing a VOD recommendation service using video object information. More particularly, the present invention provides VOD (video on demand) information related to an object when providing information about an object appearing in a video. The present invention relates to a method and system for providing a VOD recommendation service using video object information, which enables instant viewing or reservation viewing of a selected VOD by selecting a specific VOD from the provided VOD information.

In the video on demand (VOD) service, in which the user actively searches for and watches contents with the spread of TV technology using a broadband network, the cognitive load of the user increases as the number of contents gradually increases, The importance of the recommendation function is increasing. In addition, the user generally spends a lot of time navigating a wide and deep menu in order to find the desired content, and inconvenient key input and input errors occur when using the search function. It is true. This is very annoying to users who are familiar with the simple selection method of the existing TV, there is a problem that is a factor that keeps away from watching VOD.

In addition, the selection range of VOD can not only be limited to the range of contents that they know or recommend around them, and even if there is a variety of good contents, people cannot find it well because they do not know well, and the provision of various contents must be reduced. There was this.

The present invention was devised to solve such a problem, and when a video is played, an object such as a person, a shooting location, or background music appearing in the video, or a video such as an author or director of the video, even if the video does not appear directly For an object that is related to the, and recommending another VOD associated with that object along with providing information about that object, users can reduce the time spent surfing the wasted VOD menu to select the VOD to watch and make efficient choices. This can contribute to the activation of VOD services.

In order to achieve the above object, a system for providing object information included in a video according to the present invention provides a video on demand (VOD) content information related to an object included in the video, (a) a user Receiving a request for transmitting a video accompanied by a video object information service from a terminal; (b) In each frame (screen) of the video, information about objects appearing in or related to the frame (hereinafter referred to as a 'frame object') and when the frame objects appear in the video or associated frames Transmitting a file (hereinafter referred to as an object information file) and a requested video to the user terminal; (c) if the user terminal receives a request for providing information on frame objects of a specific frame in the video, transmitting basic information about the frame objects to the user terminal; And (d) receiving the object information request for a specific frame object (hereinafter, referred to as a 'selection object') in which the related VOD content exists among the frame objects, and including the VOD content list related to the selection object. And transmitting detailed information about an object to the user terminal.

The basic information may include a name or an image of the frame object.

After the step (d), if (e11) the user terminal is notified that a specific VOD content (hereinafter referred to as 'selected VOD') in the list of VOD contents related to the selected object is selected by the user, the selected VOD may be immediately viewed. Transmitting a selection menu item to a user terminal; And (e12) when receiving the immediate viewing request of the VOD from the user terminal, transmitting the requested VOD content to the user terminal.

After step (d), if (e21) a user terminal is notified that a specific VOD content (hereinafter referred to as 'selected VOD') in the list of VOD contents related to the selected object is selected by the user, the viewing of the selected VOD is reserved. Transmitting a selectable menu item to a user terminal; And (e22) if the reservation request for the VOD is received from the user terminal, transmitting the reservation-requested VOD content to the user terminal at a reserved time.

According to another aspect of the present invention, in connection with a system for providing object information included in a video, a method for a user terminal to provide video on demand (VOD) content information related to an object included in a video, (a) a user The requested video includes information about objects appearing in or related to each frame (screen) of the video (hereinafter referred to as a 'frame object') and when the frame objects appear in the video or associated frames. Receiving a file (hereinafter referred to as an object information file) and a requested video from the video object information system; (b) transmitting a request for providing a list of frame objects of a specific frame in the video to a video object information system; (c) In the frame object list for the specific frame received from the video object information system and displayed on the terminal screen, when a user is requested to provide detailed information about a specific object in the object list, VOD content information associated with the object. Transmitting a request for providing detailed information including a video object information system; And (d) displaying the received object detail information on the terminal screen.

The frame object may include a video object appearing on the frame screen, a sound object when the frame screen is viewed, a producer of video content including the frame, or a writer of video content including the frame. The frame object list may include a name or an image of each frame object.

The frame object list provision request transmission to the video object information system may be performed whenever the frame object list provision request is requested by the user.

The frame object list provision request transmission to the video object information system may be initiated at the request of the user and may be performed at regular time intervals.

After the step (a), during the playback of the received video, the object information file may be interpreted to display a display of the frame object on the screen at the time when the frame object appears.

After the step (d), if (e11) a specific VOD content (hereinafter referred to as 'selected VOD') is selected by the user from the object-associated VOD content list included in the received object detail information, the selected VOD can be immediately viewed. Displaying a selection menu item on a screen; And (e12) if an immediate viewing request of the VOD is input from the user, immediately transmitting the requested VOD content transmission request to the video object information system, and playing back the VOD content received from the video object information system on the screen. It may include.

After the step (d), if (e21) a specific VOD content (hereinafter referred to as 'selected VOD') is selected by the user from the object-associated VOD content list included in the received object detail information, viewing of the selected VOD is reserved. Displaying a selectable menu item on the screen; And (e22) when a viewing reservation request including a viewing reservation condition for the VOD is input from the user, transmitting the requested VOD content transmission request to the video object information system when the viewing reservation condition is satisfied, and the video object information system. The method may further include playing back the VOD content received from the screen.

The user terminal may include an IPTV terminal or a terminal capable of wired and wireless Internet access.

According to another aspect of the present invention, a system for storing information about a specific frame in a user-designated video, and providing the object information included in the frame stored at the user's request, providing a video with an object information service Video content server; And a file (hereinafter, referred to as an object (hereinafter referred to as a 'frame object')) appearing in or associated with each frame (screen) of the video, and information about when the frame objects appear or appear in the video. An object information service server for providing object information including the frame object related VOD content information to a user terminal.

The object information service server includes: an object information file storage unit storing an object information file; An object information file providing module for retrieving an object information file accompanying the video from the object information file storage unit and providing the same to the user terminal when a user requests a video; An object information database storing information of frame objects included in the video; An associated VOD information database storing VOD content information associated with the frame objects; An object information providing module for transmitting object information including VOD content information associated with the frame objects to a user terminal; An associated VOD transmission control module for requesting a video content server to transmit the VOD content to the user terminal when a user's viewing request for a specific VOD content associated with a frame object is received; And a controller that controls each of the components to perform a series of processes for providing a video object information service.

The object information service server may further include a reservation VOD information database configured to store, from a user terminal, viewing reservation request information on specific VOD content associated with a specific frame object in a video, and the associated VOD transmission control module may include a user terminal. When receiving a viewing reservation request for a specific VOD content associated with a specific frame object in a video from the video, the reservation information is stored in the reservation VOD information database, and when the viewing reservation time comes, the video is sent to the user terminal. The method may further include a function of requesting a content server.

According to the present invention, when a video is played, an object such as a person, a shooting location, and background music appearing in the video, or an object related to the video, even if not directly in the video, such as a writer or director of the video, By recommending other VODs associated with the object in addition to providing information about the user, you can reduce the time spent surfing VOD menus and make efficient choices to select the VOD to watch. Can contribute to activation.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

1 is a diagram illustrating a network configuration for providing a video object information service. The user terminal 30 includes a PC or a terminal capable of wireless internet. As described below with reference to FIGS. 2 to 4, the user terminal may include an IPTV terminal 20.

The video object information system 100 includes an object information service server 110 that provides information about objects included in a video, and a video content server 512 that provides video content.

The video content server 120 transmits the video content to the user terminal 30 at the request of the user terminal 30.

The object information service server 110 provides the object information file when providing the video content to the user terminal 30, and receives the object information request included in the video from the user terminal 30. Send to 30). The object information may include video on demand (VOD) content information associated with the object.

The object information file is a file mapped to specific video content stored in the video content server 120. The object information file is a file including information for allowing a user to select various objects included in the video content on a video screen. It is preferably configured in an XML (Extensible Markup Language) file format. For example, with respect to an object called 'A', how many frames to which frames appear in the video, and an area occupied in each frame includes information about the location.

The object may include an image object such as a specific person, a specific object, or a shooting location that appear on the video screen. Or sound objects such as background music heard in the scene. In addition, although the video or sound does not appear in the video, an object related to the video may be set as an object for providing information. For example, the drama or movie director or writer may be the object.

In the user terminal 30, a client program (hereinafter referred to as an “object information client”) that transmits and receives a message with the video object information system 100 and performs a video object information service in the terminal is operating. Since the function of the object information client is almost the same as the function of the IPTV terminal 20 which will be described later in FIG.

When the user selects to watch a specific video, the object information client transmits a video request to the video object information system 100, interprets the object information file, and allows the user to display information about a specific object in the video object information system. Get it from (100). That is, the object information file may be analyzed to determine whether an object provided with the object information is included in the frame currently being played in the video, and if so, an indication that the object information is provided on the screen. In addition, when the user requests from the mouse or the remote control to provide the object information therefrom, the object that appears in or related to the current video frame (hereinafter referred to as the 'frame object') is identified from the object information file, and the object Send the ID of the video object information system 100 to request the information of the objects.

The object information provided from the video object information system 100 may also include VOD content information associated with the object, and from the VOD content information, the user selects one VOD content to immediately watch or reserves a view by reserving a reservation. It may be viewed at a time, which will be described later with reference to FIGS. 6 and 7.

FIG. 2 is a diagram illustrating an IPTV network configuration for providing a video object information service in IPTV. The video object information system 100 performs a function as described above with reference to FIG. 1.

The IPTV head-end system 200 may include broadcast content supplied from each broadcast content provider 10, such as a program provider (PP), a data provider (DP), a terrestrial provider or an IPTV content provider (CP), and It is a system for transmitting electronic program guide (EPG) information on the broadcast contents to the IPTV terminal 20 of the IPTV viewer. The IPTV headend system 200 is a subscriber switch (L3 switch) 350, a subscriber concentrator (xDSL concentrator, DSLAM) via a Gigabit or higher speed router and an L3 switch using the multicast routing protocol of the premium network 300. Alternatively, the broadcast content and the EPG information are transmitted to the IPTV terminals 20 of the plurality of subscribers joined to the corresponding channel by multicast through the Fast Ethernet Switch (FES) 360. The multicast routing protocol may be a Protocol Independent Multicast-Sparse Mode (PIM-SM) protocol, but the present invention is not limited thereto, and distance vector multicast routing protocol (DVMRP), multicast extensions to OSPF (MOSPF), and core CBT Multicast routing protocols of any one of Based Tree (PIM-SM), Protocol Independent Multicast-Sparse Mode (PIM-SM), and Protocol Independent Multicast-Dense Mode (PIM-DM) may be used.

More specifically, these IP networks can be described as IP backbone networks using unicast or multicast routing protocols, subscriber networks (e.g. Ethernet, xDSL, HFC, FTTC, FTTH), IP set-top boxes. IPTV terminal 20 including a TV connected to the STB.

The IP backbone network includes a premium network 300, each router including a Rendezvous Point (RP) 310 and a premium edge (PE) router 320 therein, a metro switch (L3 switch) (330). ), An N-Topia switch (L3 switch) 340 (N-Topia: service using a high-speed Internet through LAN equipment installed in a group building where UTP is installed), and a subscriber switch (L3 switch) 350. Each of the Layer 3 network equipment uses the PIM-SM multicast routing protocol, and the IPTV terminal 20 and the subscriber concentrator 360 use the Internet Group Management Protocol (IGMP) and the IGMP Snooping protocol, respectively. The subscriber concentrator 360 may include an xDSL concentrator, a DSLAM, or a Fast Ethernet Switch (FES).

The rendezvous point 310 of the premium network 300 manages a PIM Join list and a PIM Prune list for a plurality of multicast groups. In the present invention, a broadcast channel is a multicast group. group), the Join list and the Prune list are managed for each broadcast channel.

The Internet Group Management Protocol (IGMP) is used between the IPTV terminal 20 requesting broadcast channel selection / release and the Layer 3 network equipment (eg, subscriber switch 350) accepting the request.

The IGMP Snooping protocol is a Layer 2 device (eg subscriber concentrator) located between the IPTV terminal 20 of the subscriber requesting channel selection / release and the Layer 3 network equipment (eg subscriber switch 350) accepting the request. 360)), the Layer 2 equipment (subscriber concentrator 360) in which the IGMP Snooping protocol is driven recognizes an IGMP transmission / reception message between the IPTV terminal 20 and the Layer 3 network equipment, and makes a channel request. The channel information is transmitted only to the IPTV terminal 20.

The subscriber network refers to a network between the Layer 2 equipment (eg, subscriber concentrator 360) and the IPTV terminal 20, and includes Ethernet, xDSL (ADSL, VDSL), Hybrid Fiber Coax (HFC), and FTTC ( Fiber To The Curb (FTTH), Fiber To The Home (FTTH) structure can be composed of any one topology.

The IPTV terminal 20 may use a terminal in which an IP set-top box (IP STB) is embedded or an IP set-top box, a computer, a laptop, or a personal portable terminal connected to a user's TV. Hereinafter, for convenience, a terminal of an IPTV user is referred to as a term 'IPTV terminal'. The IPTV terminal 20 includes a hardware layer composed of hardware such as a CPU, a media processor, flash RAM, and an Ethernet module, a system software layer including a device driver and an operating system, a Java virtual machine (JVM), and a JNI (Java). Network Interface), ACAP API (ACAP-J, ACAP-X API) (Java TV, Havi UI, JMF, DAVIC, CA Interface), Conditional Access System (CAS) module or Digital Rights Management (DRM: Digital Rights Management (API) interface module, middleware layer with streaming protocol (RTP, RTSP), API (Navigator, Audio streaming API, VOD, Flash player, HDS Client, SSO Client) for IP media service, MPEG2, MPEG4, MPEG7 It supports various multi codecs such as H.264, H.264, WMV-9, and other codecs, and includes four layers of application layers including an electronic program guide (EPG) client and a client for providing video object information service. It should. The subscriber's IPTV terminal 20 is assigned an IPv4 address or an IPv6 address.

3 is a diagram illustrating a configuration of the IPTV headend system 200.

Referring to the drawings, the IPTV headend system 200 includes a baseband system 205, a compression multiplexing system (or multiplexing system) 210, a network switch system 215, a return path server system (RPS). 220, personalization authentication server (HDS) 225, EPG providing system 230, data broadcasting system 235, media management system (MOC: Media Operation Core) 240, reception restriction system 245, billing A processing system 250, a monitoring system 255, and a subscriber management system 260.

The baseband system 205 receives an MPEG-2 broadcast signal from an external program provider (PP) or an analog broadcast signal from terrestrial waves, converts the received source broadcast signal into a SDI (Serial Digital Interface) signal, and Synchronize frames, distribute broadcast video and audio signals from multiple broadcast channels (e.g. 100 channels) via routine switcher, subtitle generator (CG) and automatic program controller (APC) The controller inserts at least one of an advertisement, a logo, or a subtitle into the broadcast video and audio signal (signal editing and processing) and transmits the same to the compression multiplexing system (or multiplexing system) 210. The baseband system 205 receives a broadcast signal such as a terrestrial wave, a tuner for receiving an analog broadcast signal through a DS-3 optical end station, a Yagi antenna, an integrated receiver decoder (IRD), and a received source signal. A frame divider for converting and correcting SDI signals and synchronizing frames, a signal divider such as an A / V router that connects / concentrates all broadcast signal channels for operational management, advertisements, logos on the SDI signals, It includes a subtitle generator for inserting subtitles to edit and process the signal.

The compression multiplexing system (or multiplexing system) 210 converts the broadcast video and audio signals received from the baseband system 205 into an A / V encoder for each broadcasting channel (eg, 100 channels). Compresses SDI (Serial Digital Interface) video signals using the H.264 protocol, compresses audio signals to MPEG-2 AAC, and compresses broadcast data and audio to a data encoder with MPEG-2 TS. After multiplexing the data broadcasting data generated by the program and the program related information (PSI) generated by the PSI generator, the packetized IP packetized by IP packetizing the multiplexed MPEG-2 Transport Stream (TS). A transport stream is transmitted to the network switch system 215. The program related information (PSI) includes a program association table (PAT) and a program map table (PMT) information.

The network switch system 215 may include one or more L3 switches (L3 SW), the return path server system, and the subscriber station 20 for transmitting the IP packetized transport stream to an IP network by multicasting. One or more L4 switches (L4 SW) for load balancing by dividing bidirectional data receiving traffic in a unicast manner between them by a proper load, and blocking harmful traffic between the L4 switch and the IP network. One or more intrusion prevention systems.

In addition, IP multicasting may use IPv4 multicasting or IPv6 multicasting techniques. In one embodiment, if the router and the L3 switch use the PIM-SM multicast routing protocol, and the subscriber's IP set-top box uses an IPv4 address, the I3 v3 / v3 uses IGMP Snooping of the L2 network device to the L3 switch. Join to the desired broadcast channel, or if using an IPv6 address, transmit to the L3 switch using MLD v1 / v2 to join the broadcast channel.

When the network switch system 215 uses IPv4 multicasting, IPv4 multicast addresses are '224.0.0.0' to '239.255.255.255', which are different for each broadcast channel (for example, 100 channels). Use For example, when using IPv4 multicasting, SBS can use 230.1.1.1 multicast address, KBS can use 230.1.1.2 multicast address, and EBS can use 230.1.1.3 multicast address. When using the PIM-SM multicast routing protocol, the network switch system 215 transmits a register message to the rendezvous point (RP) 310, and in response, the rendezvous point (RP) 310 sends a PIM JOIN message. The process of registering a rendezvous point (RP) 310 for transmitting a path to the network switch system 215 and setting a path is performed.

The return path server system 220 records log information of a subscriber, processes bidirectional data by a data provider (DP), receives bidirectional data from the IPTV terminal 20 of the subscriber, and The corresponding response data is transmitted to the IPTV terminal 20 in unicasting.

The personalization authentication server (HDS) 225 sends an authentication request message including the ID (SAID) of the IPTV terminal 20 for the IPTV service and the application service information to be used from the subscriber's IPTV terminal 20 to the return pass server. Received through the system 220, and transmits an authentication key (Unique Key, UK) in response to the authentication request message to the subscriber's IPTV terminal 20 through the return pass server system 220.

The location information of the IPTV terminal 20 includes an ID (SAID) and subscriber information of the IPTV terminal 20. The SAID of the IPTV terminal 20 is a unique ID assigned to the IPTV terminal 20. In addition, the IPTV terminal 20 includes a single sign-on (SSO) client and an HDS client for managing opening terminal information, and the SAID of the terminal is stored in the HDS client in the IPTV terminal 20. The personalization authentication server (HDS authentication server) 225 and the HDS client of the IPTV terminal 20 manage information (SAID, IP Address, MAC Address, terminal model name) of the opened IPTV terminal 20. In the case of personal authentication-based service, when authenticating a personal identification number (PIN), one master PIN number (consisting of four digits) can be assigned to one household and a plurality of PIN information can be assigned to household members.

The EPG providing system 230 provides EPG information to the IPTV terminal 20.

The data broadcasting system (DBS) 235 is a data manager for managing data encoding, a PSI generator / SI generator for generating program related information / service information (PSI / SI). ), A Data Server / Data Encoder for encoding data broadcasting data, a Multiplexer Manager (MM) for managing multiplexing functions of data broadcasting data, PSI information, and SI information, and a scheduler user. Interface (Scheduler UI) is included. The data broadcasting system (DBS) 235 multiplexes data broadcasting data and PSI information generated by a data server / data encoder and a PSI generator / SI generator by an authoring tool according to the terrestrial ACAP data broadcasting standard. The SI information is then sent to the IP multiplexer. The data manager (DM) of the data broadcasting system (DBS) 235 receives an object carousel (OC) including periodically updated information received from a data agent (DA). do.

The media operation system (MOC) 240 is a system for managing various business process information (program programming information, location information, contract information, product information, etc.) for operating a broadcasting task. The media management system 240 manages broadcast program organization information, content and media management information, contract information of a program provider (PP) and a content provider (CP), product information, and manages each system in the center of a broadcasting center. It acts as a coordinator that integrates and manages information flow through organic integration. The media management system (MOC) 240 includes contract management in terms of acquisition, media and content metadata management, EPG information acquisition / management as broadcast schedule information, and real time broadcasting in terms of operation. Marketing analysis reporting, delivery such as settlement of CP and subscriber viewing inclination in terms of VoD channel formation management, agent management for interworking with each subsystem, VoD catalog generation management, various product management, and analysis In terms of broadcast transmission monitoring, video server transmission management and VoD subscriber authentication, transmission result recording / management for settlement with CP, and data synchronization with each subsystem.

The billing processing system 250 is a provisioning system. When using the IPTV service for a fee after user authentication, the billing processing system 250 provides a billing processing function for the use of the IPTV service for each subscriber member.

The monitoring system 255 is a control system that monitors a transmission failure of an A / V broadcast signal for IPTV broadcasting and a reception failure by monitoring a downlink of the IPTV headend system 200.

The subscriber management system 260 provides a member subscription and termination for the IPTV service, and a member information management function.

4 is a diagram illustrating a configuration of a system for providing a video object information service in IPTV.

In IPTV, an IPTV channel selection menu including a channel providing various videos including a video with object information service (hereinafter referred to as a 'VOD channel') is provided through a multicasting method through an IPTV network. The menu may be provided by the electronic program guide (EPG) providing system 230 described above with reference to FIG. 3 or may be provided through a portal screen for selecting an IPTV menu generated by the data broadcasting system 235. 4 shows only the data broadcasting system 235. The portal screen generated in the data broadcasting system 235 is multiplexed in the multiplexing system (or compressed multiplexing system) 210 and passed through the network switch 215 through the IPTV network described above with reference to FIG. 2. It is provided to the user's IPTV terminal 20. When the VOD channel is selected from the IPTV terminal 20, the return path server system 220 may receive it and transmit it to the distribution server 130. The video object information system 100 may be installed on a network per region (only one is shown in this figure). In this case, the distribution server 130 is a video object at an optimal position for the IPTV terminal 20 on the network. The information system 100 is selected and the URL address is provided to the IPTV terminal 20, and the IPTV terminal 20 connects to the selected video object information system 100 by the URL address.

Since the functions of the client for providing the object information service in the IPTV terminal 20 and the functions of the components 110 and 120 of the video object information system 100 are almost the same as those described above with reference to FIG. 1, the description thereof is omitted here. do.

5 is a diagram illustrating an internal configuration of the object information service server 110 in the video object information system 100. The object information service server 110 includes a control unit 110.1, an object information file providing module 110.2, an object information providing module 110.3, an associated VOD transmission control module 110.4, an object information file storing unit 110.5, and an object. And an information database 110.6, and an associated VOD information database 110.7, and may further include a reserved VOD information database 110.8.

The controller 110.1 controls the internal components of the object information service server 110 to perform a series of processes for providing a video object information service.

When the user requests a video, the object information file providing module 110.2 searches for the object information file associated with the video in the object information file storage unit and provides the same to the user terminals 20 and 30.

The object information providing module 110.3 transmits object information including VOD content information related to the frame objects to the user terminals 20 and 30.

The associated VOD transmission control module 110.4 requests the video content server 120 to transmit the VOD content to the user terminal when a user's viewing request for the specific VOD content associated with the frame object is received. On the other hand, when providing a reservation function for a specific VOD content associated with the frame object, when receiving a viewing reservation request for a specific VOD content associated with a specific frame object in the video from the user terminal (20,30) the reservation information It may further include a function of storing in the reservation VOD information database (110.8) to be described later, and requesting the video content server 120 to transmit the VOD content to the user terminal (20, 30) when the viewing time is reached. have.

The object information file storage unit 110.5 stores the object information file.

The object information database 110.6 stores detailed information of frame objects included in the video.

The associated VOD information database 110.7 stores VOD content information associated with the frame objects.

The reservation VOD information database 110.8 stores, from the user terminal, viewing reservation information on specific VOD content associated with a specific frame object in the video.

6 is a flowchart illustrating a process of providing information (including associated VOD information) of objects appearing in a video. When the user selects a VOD to watch and requests video playback, the user terminals 20 and 30 send a video transmission request to the video object information system 100, and the video object information system 100 receives the video transmission request (S601). The video object information system 100 transmits the requested video to the user terminals 20 and 30. If the requested video is a video accompanied by the object information service, the video object information system 100 first transmits the object information file for the video (S602). The user terminals 20 and 30 interpret the object information file and display an indication of the start of the object information service on the screen when an object capable of providing object information appears on the currently playing screen (S603).

The object may include an image object such as a specific person, a specific object, or a photographing location appearing on the video screen. Or a sound object such as background music heard in the scene may be included. In addition, although the video or sound does not appear in the video, an object related to the video may be set as an object for providing information. For example, the drama or movie director or writer may be the object.

When the user clicks the object information service start button on the screen with a mouse or requests to provide the object information with a specific key of the remote controller, the user terminals 20 and 30 grasp the objects included in the current screen from the object information file, and then The object information providing request for the objects, including the IDs of the objects, is sent to the video object information system 100 (S604). The video object information system 100 transmits basic information about the requested objects to the user terminals 20 and 30, and the user terminals 20 and 30 receive it and display it on the screen (S605). Basic information displayed on the screen includes the name or image of each object.

The method of providing the frame object list request to the video object information system by the user terminals 20 and 30 may be performed only when the user requests the frame object information by the mouse or the remote controller as described above. After being initiated by the request, it may be a method of periodically updating the object information appearing on the screen by continuously performing at regular time intervals.

When the user selects one of the objects displayed on the terminal screen and requests detailed information (S606), the video object information system 100 includes the associated VOD information, if there is associated VOD information, for the selected object. The object detailed information is transmitted to the user terminals 20 and 30 (S607). At this time, the user terminal receives this, and displays the object detailed information including the associated VOD information on the user terminal screen (S608).

FIG. 7 is a flowchart illustrating a process when a user selects one of related VODs for a specific object in a video. As described above, when the user selects one of the objects displayed on the terminal screen and requests detailed information (S606), the video object information system 100, if there is associated VOD information for the selected object, the associated VOD. The object detailed information including up to the information is transmitted to the user terminals 20 and 30 (S607). At this time, the user terminals 20 and 30 receive this information and transmit the object detail information including the associated VOD information to the user terminal screen. To display (S608). At this time, the user can select one of the associated VOD information (S701) to watch the VOD, but may be viewed immediately, but may also be scheduled to view the viewing after viewing the current VOD. To this end, the user may be provided with a message box on the terminal screen for selecting whether to immediately view the selected VOD or to schedule a viewing (S702). The message box for the selection may be displayed on the screen after the user terminal 20,30 requests and receives the video object information system 100, but the user terminal 20,30 directly displays the message box. It can also be displayed on the screen.

When the user selects to watch immediately, the object information service server 110 of the video object information system 100 requests the video content server 120 to stop the current video transmission and to transmit the newly selected VOD content. (S703).

When the user selects the reservation request, the video object information system 100 receives the reservation request including the reservation condition to be viewed from the user and stores it (S704). The object information service server 110 checks whether the reservation condition is satisfied. When the reservation time is reached (S705), the video content server 120 may request the video content server 120 to stop the current video transmission and transmit the newly selected VOD content (S706). The reservation condition may include information on the time of the reservation, or information on the time of reservation, such as watching the program immediately after the end of the current program.

Alternatively, as described above, when the user selects a specific VOD content among the associated VODs, the user terminal 20 or 30 directly displays a message box for selecting whether to immediately view the selected VOD or to schedule a viewing. When the user inputs a reservation request including a reservation condition to be watched, the user terminal 20, 30 directly stores it (S704), and even if the reservation condition is satisfied, the user terminal 20, 30 directly checks the reservation condition. If this is satisfied (S705), it may be implemented to send the transmission request of the reserved VOD to the video object information system 100. At this time, the object information service server 110 of the video object information system 100 requests the video content server 120 to stop the current video transmission and transmit the newly selected VOD content (S706).

8 is a diagram illustrating an embodiment of a screen providing information (including associated VOD information) of objects appearing in a video. When the user selects one of the objects 801 displayed on the terminal screen 800 on which the video is played and requests detailed information, the video object information system 100 determines that there is associated VOD information for the selected object. In this case, the object detailed information including up to the associated VOD information is transmitted to the user terminals 20 and 30. In this case, the user terminals 20 and 30 receive it, and the object detailed information including the related VOD information 802 is received. 802 is displayed on the user terminal screen.

As described above with reference to FIG. 6, in the method in which the user terminals 20 and 30 perform a request for providing a frame object list to the video object information system, the user requests to provide frame object information by a mouse or a remote controller as described above. It may be performed only at a time, but once initiated by a user's request, the object information 801 appearing on the screen may be periodically updated by continuously performing at a predetermined time interval.

1 is a diagram showing a network configuration for providing a video object information service.

2 is a diagram illustrating an IPTV network configuration for providing a video object information service in IPTV.

3 is a diagram illustrating a configuration of an IPTV headend system.

4 is a diagram illustrating a configuration of a system for providing a video object information service in IPTV.

5 is a diagram illustrating an internal configuration of an object information service server in a video object information system.

6 is a flowchart illustrating a process of providing information (including associated VOD information) of objects appearing in a video.

7 is a flowchart illustrating a process when a user selects one of related VODs for a specific object in a video.

8 is a diagram illustrating an embodiment of a screen that provides information (including associated VOD information) of objects appearing in a video.

Claims (15)

A system for providing object information included in a video provides a video on demand (VOD) content information related to an object included in a video. (a) receiving a request for transmitting a video accompanied by a video object information service from a user terminal; (b) In each frame (screen) of the video, information about objects appearing in or related to the frame (hereinafter referred to as a 'frame object') and when the frame objects appear in the video or associated frames Transmitting a file (hereinafter referred to as an object information file) and a requested video to the user terminal; (c) if the user terminal receives a request for providing information on frame objects of a specific frame in the video, transmitting basic information about the frame objects to the user terminal; And (d) When the object information request for a specific frame object (hereinafter referred to as a 'selection object') in which the related VOD content exists among the frame objects is received, the selection object including a list of VOD contents related to the selection object. Transmitting detailed information about the to the user terminal; Video object information service providing method comprising a. The method according to claim 1, In the basic information, Containing the name or image of the frame object Video object information service providing method characterized in that. The method according to claim 1, After the step (d), (e11) When a user terminal is notified that a specific VOD content (hereinafter referred to as a 'selected VOD') is selected by the user from the list of VOD contents related to the selected object, a user selects a menu item for immediately viewing the selected VOD. Transmitting to; And (e12) transmitting the requested VOD contents to the user terminal upon receiving the immediate viewing request of the VOD from the user terminal; Video object information service providing method further comprising a. The method according to claim 1, After the step (d), (e21) If a user terminal is notified that a specific VOD content (hereinafter referred to as a 'selected VOD') is selected from the list of VOD contents related to the selected object by the user, a selection menu item for scheduling viewing of the selected VOD is selected. Transmitting to a user terminal; And (e22) if the reservation request for the VOD is received from the user terminal, transmitting the reservation-requested VOD content to the user terminal at a reserved time; Video object information service providing method further comprising a. A method of providing video on demand (VOD) content information related to an object included in a video by a user terminal in connection with a system for providing object information included in a video, (a) for a video requested by the user, the objects appearing in or associated with each frame (screen) of the video (hereinafter referred to as a 'frame object'), and when the frame objects appear or appear in the video. Receiving a file containing information about the (hereinafter referred to as "object information file") and the requested video from the video object information system; (b) transmitting a request for providing a list of frame objects of a specific frame in the video to a video object information system; (c) In the frame object list for the specific frame received from the video object information system and displayed on the terminal screen, when a user is requested to provide detailed information about a specific object in the object list, VOD content information associated with the object. Transmitting a request for providing detailed information including a video object information system; And (d) displaying the received object detail information on a terminal screen; Video object information service providing method of a user terminal comprising a. The method according to claim 5, In the frame object, A video object appearing on the frame screen, a sound object when the frame screen is viewed, a director of video content including the frame or a writer of video content including the frame, In the frame object list for the specific frame, Containing the name or image of each frame object Video object information service providing method of a user terminal characterized in that. The method according to claim 5, Sending frame object list request request to video object information system, To be performed whenever a user requests to provide a list of frame objects Video object information service providing method of a user terminal characterized in that. The method according to claim 5, Sending frame object list request request to video object information system, Initiated at the request of the user and performed at regular time intervals Video object information service providing method of a user terminal characterized in that. The method according to claim 5, After step (a), During playback of the received video, the object information file is interpreted to indicate the presence of a frame object on the screen when the frame object appears. Video object information service providing method of a user terminal characterized in that. The method according to claim 5, After the step (d), (e11) If a specific VOD content (hereinafter referred to as 'selected VOD') is selected from the list of object-related VOD contents included in the received object detail information, a selection menu item for immediately viewing the selected VOD is displayed on the screen. Displaying; And (e12) if an immediate viewing request of the VOD is input from a user, immediately transmitting the requested VOD content transmission request to the video object information system and reproducing the VOD content received from the video object information system on the screen; Video object information service providing method of a user terminal, characterized in that it further comprises. The method according to claim 5, After the step (d), (e21) If a specific VOD content (hereinafter referred to as 'selected VOD') is selected by the user from the object-associated VOD content list included in the received object detail information, a selection menu item for scheduling viewing of the selected VOD is selected. Displaying on the screen; And (e22) When a viewing reservation request including a viewing reservation condition for the VOD is input from the user, the requested VOD content transmission request is transmitted to the video object information system when the viewing reservation condition is satisfied, and from the video object information system. Playing the received VOD content on a screen; Video object information service providing method of a user terminal, characterized in that it further comprises. The method according to claim 5, The user terminal, Comprising terminals capable of IPTV terminals or wired or wireless Internet access Video object information service providing method of a user terminal characterized in that. A system for storing information on a specific frame in a video designated by a user and providing object information included in a frame stored at the user's request. A video content server providing a video with object information service; And A file (hereinafter referred to as an "object") that contains information about an object appearing in or associated with each frame (screen) of the video (hereinafter referred to as a "frame object") and when the frame objects appear in the video or associated frame. An object information service server for providing object information including the frame object-related VOD content information to a user terminal; Video object information system comprising a. The method according to claim 15, The object information service server, An object information file storage unit for storing an object information file; An object information file providing module for retrieving an object information file accompanying the video from the object information file storage unit and providing the same to the user terminal when a user requests a video; An object information database storing information of frame objects included in the video; An associated VOD information database storing VOD content information associated with the frame objects; An object information providing module for transmitting object information including VOD content information associated with the frame objects to a user terminal; An associated VOD transmission control module for requesting a video content server to transmit the VOD content to the user terminal when a user's viewing request for a specific VOD content associated with a frame object is received; And A controller for controlling each of the components to perform a series of processes for providing a video object information service; Video object information system comprising a. The method according to claim 15, The object information service server, A reservation VOD information database storing viewing reservation request information on specific VOD content associated with a specific frame object in a video, from a user terminal; More, When the associated VOD transmission control module receives a viewing reservation request for a specific VOD content related to a specific frame object in a video from a user terminal, the associated VOD transmission control module stores the reservation information in the reservation VOD information database. Further comprising a function of requesting a video content server to send VOD content to the user terminal. Video object information system, characterized in that.

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