Abstract: In accordance with an illustrative configuration, a device and a method are configured to receive video stream including a stream receiving unit, a demultiplexing unit, and a decoding unit. The stream receiving unit is configured to receive multiplexed stream of video stream and signaling information describing the video stream. The demultiplexing unit is configured to demultiplex the received stream to video stream and signaling information. The decoding unit is configured to decode the demultiplexed video stream by using the signaling information. The signaling information includes stream type information on the video stream providing stereoscopic service and service type information, which indicates whether the service type according to the video stream is 2D monoscopic service or 3D stereoscopic service.

Abstract: A method and apparatus for processing enhanced media data in a Digital Multimedia Broadcasting (DMB) system is provided. The apparatus for processing enhanced media data includes: a base layer processing unit configured to multiplex an elementary stream of a base layer and perform channel encoding for the multiplexed elementary stream of the base layer; an enhancement layer processing unit configured to synchronize an elementary stream of an enhancement layer with the elementary stream of the base layer and thereby multiplex the elementary stream of the enhancement layer and process the elementary stream of the enhancement layer to be transmittable via at least one of a plurality of transmission channels; and a synchronizer configured to provide the enhancement layer processing unit with synchronization information that is used for synchronizing the elementary stream of the enhancement layer with the elementary stream of the base layer.

Abstract: The present invention relates to a method and apparatus for providing a plurality of transport interactive 3DTV broadcasting services in the provision of higher definition 3D video service and 3D data service, while maintaining the compatibility with the existing digital TV broadcasts or 3DTV services. To this end, an input 3D video is encoded to generate a 3D additional video base stream and a 3D additional video enhanced stream. Engineer information for defining engineers, which includes 3D broadcasting service configuration information, is generated, and then an encoded 2D base video stream, an encoded audio stream, the encoded 3D additional video base stream and the engineer information are multiplexed and transmitted via a base layer. The 3D additional video enhanced stream is multiplexed and transmitted via an enhanced layer.

Abstract: A method of receiving stereoscopic video according to the present invention includes receiving a bit stream including image information, extracting a base image stream corresponding to a base image and an additional image stream corresponding to an additional image from the bit stream, generating the base image and the additional image by decoding the base image stream and the additional image stream, respectively, and generating a left image and a right image by using at least one of the base image and the additional image. According to the present invention, 2D/3D broadcasting service efficiency may be improved.

Abstract: A method for providing social broadcasting services by a broadcasting station is registered. The method for providing social broadcasting services includes receiving from a social network server like function related information triggering transmission of an interest indicator indicating that a user of a user equipment has an interest in broadcasting programs provided by a content provider; and transmitting both of the broadcasting programs and additional data including the like function related information to the user equipment. By the configuration, the exemplary embodiments of the present invention can share the personal's opinion and thoughts and the additional data associated with the corresponding programs through the social circle while the user viewing the broadcasting programs in real time during the movement.

Abstract: Disclosed herein is a non real-time broadcast receiving system. The system includes: a non real-time service decoder dividing received non real-time service content into a transmission block according to a protocol; a service content manager monitoring whether the receive of the non real-time service content stops and acknowledging a schedule regarding whether a portion with errors in the non real-time service content is retransmitted; a memory storing a portion without errors in the non real-time service content; a file checker checking whether errors are produced during the receive of the non real-time service contents and determining whether the portion with errors in the non real-time service content is retransmitted; a retransmission request signal generator generating a retransmission request signal; a return channel transmitter transmitting the retransmission request signal; and a return channel receiver receiving data corresponding the portion with error.

Abstract: A non-real time stereoscopic video service method and apparatus are provided. The non-real time stereoscopic video service method performed by a reception apparatus, including: extracting a program association table (PAT) from a received transport stream (TS) and analyzing the same; extracting a program map table (PMT) corresponding to a program selected by a user from the PAT and analyzing the same; extracting a stereoscopic video service descriptor from the PMT and analyzing the same; generating frame and/or time information of an image to be reproduced according to the analysis of the stereoscopic video service descriptor; and reproducing an image by synchronizing a reference image and a supplementary image based on the generated frame and/or time information.

Abstract: There are provided a 3-D image synchronization method and apparatus. The method comprises determining a reference region for each of the frames of a first image and determining a counter region for each of the frames of a second image, corresponding to the reference region, for the first image and the second image forming a 3-D image; calculating the feature values of the reference region and the counter region; extracting a frame difference between the first image and the second image based on the feature values; and moving any one of the first image and the second image in the time domain based on the extracted frame difference.

Abstract: Disclosed is an apparatus and method for transmitting/receiving reference image data and 3D additional image data in 3D image data so as to provide a 3D image in a digital broadcasting system. In the method, a basic image and a 3D additional image in a 3D image of a 3D broadcasting service is processed in a stereoscopic image format of one of a side-by-side method and a top-down method. The basic image and the 3D additional image processed in the stereoscopic image format are encoded to a basic image stream and a 3D additional image stream. The encoded basic image stream and the encoded 3D additional image stream are multiplexed to a 3D image stream of a single stream using a dual stream method, and the multiplexed 3D image stream is then transmitted.

Abstract: A broadcasting service monitoring apparatus includes: a stream separation unit to extract a partial stream from an inputted 3D stream and separate detailed stream configuration and service-related information and a stream for 3D video service from the 3D stream; a configuration information analysis unit to minutely analyze the separated service-related information and the separated stream for 3D video service; a 2D image decoding unit to decode the separated stream for 3D video service into a predetermined image; an image separation unit to separate one screen of the decoded predetermined image into two screens and generate two images; a 3D image reproduction unit to reproduce the generated two images; a depth information extraction unit to extract depth information for 3D video service from the generated two images; and a 3D information representation unit to represent the analyzed values and the extracted depth information.

Abstract: Provided is a method and system of transmitting and receiving a three-dimensional (3D) broadcasting service, and more particularly, to a method and system for transmitting and receiving a reference image and a 3D auxiliary image for the 3D broadcasting service through a digital broadcasting network in real-time or in non-real time. According to the present invention, a smooth broadcasting service may be provided to terminals receiving a two-dimensional (2D) or 3D broadcast.

Abstract: Provided is an apparatus and method for transmitting and receiving broadcasting data and supplementary data. The method includes: generating broadcasting data and supplementary data for a plurality of predetermined 3D broadcasting services to be provided to users; multiplexing the generated broadcasting data for broadcasting channels respectively allocated to the plurality of predetermined 3D broadcasting services, and multiplexing the generated supplementary data for one commonly broadcasting channel commonly allocated to the plurality of predetermined 3D broadcasting services; encoding the multiplexed supplementary data corresponding to a conditional access system; and transmitting the encoded supplementary data to the one common broadcasting channel, and transmitting the multiplexed broadcasting data to the allocated broadcasting channels.

Abstract: An apparatus for providing image data in an image system includes: a stereoscopic image generation unit configured to receive image data and depth information data and generate stereoscopic image data; a parallax calculation unit configured to analyze parallax information of a 3D image from the stereoscopic image data, divide the analyzed parallax information step by step, and determine parallax step information; a caption and text generation unit configured to generate a caption and a text by applying the parallax step information and generate position information of the generated caption and text; and an image synthesis unit configured to insert the caption and text into the stereoscopic image data based on the position information of the caption and text and provide 3D image data.

Abstract: Disclosed is a reception apparatus including a basic service reception unit to demodulate and channel-decode a signal received through one broadcasting channel among broadcasting channels for a basic service, and to extract a transport stream, an additional service reception unit to demodulate and channel-decode a signal received through a broadcasting channel for an additional service combined with the basic service, and to extract a transport stream, an integrated demultiplexer to respectively demultiplex the transport stream provided for the basic service and the transport stream provided for the additional service in order to extract at least one transport stream, and a source decoder to respectively decode the demultiplexed transport stream provided for the basic service and the demultiplexed transport stream provided for the additional service in order to broadcast at least one of a basic source and an additional source combined with the basic source.

Abstract: Disclosed is an apparatus and a method for displaying 3D images, which do not need to be reversed, so that users can watch the 3D images without modification in a 3D image system. The 3D images display extracts characteristic information regarding a plurality of imaging devices from left and right images taken by the imaging devices, selects an image among the left and right images, determines a reference element in the selected image, determines a selection element corresponding to the reference element in the non-selected image; calculates a disparity value between the left and right images by using the reference element and the selection element, determines whether the left and right images are normal or not by using the disparity value, and corrects the left and right images based on the determination result.

Abstract: Provided is a method for transmitting a stereoscopic video in a digital broadcasting system, the stereoscopic video being composed of a left view and a right view. The method includes: generating information indicating that the video is stereoscopic, information about a composition type of the stereoscopic video, and additional information based on the composition type; and transmitting the stereoscopic video and the generated information. The composition type is to compose the stereoscopic video of a single or two encoding streams by using the left view and the right view. In the case of a single stream mode in which the stereoscopic video is composed of the single encoding stream, the additional information includes information about positions of the left and right views.

Abstract: Provided is a stereoscopic video service providing method using a stereoscopic video stream including first and second video streams in a digital broadcasting system. The stereoscopic video service providing method includes: generating information on the first video stream and information on the second video stream; inserting an identifier of the information on the second video stream into the information on the first video stream; and transmitting the first video stream and the information on the first video stream and the second video stream and the information on the second video stream through separate transmission channels, respectively.

Abstract: Provided is a geographic information transceiving system and method using a digital broadcasting network. The system and method segments new geographic and map data of a region, on which a geographic information service is provided, makes data segment files of different sizes, and multiplexes and transmits the files.

Abstract: A method and apparatus for processing enhanced media data in a Digital Multimedia Broadcasting (DMB) system is provided. The apparatus for processing enhanced media data includes: a base layer processing unit configured to multiplex an elementary stream of a base layer and perform channel encoding for the multiplexed elementary stream of the base layer; an enhancement layer processing unit configured to synchronize an elementary stream of an enhancement layer with the elementary stream of the base layer and thereby multiplex the elementary stream of the enhancement layer and process the elementary stream of the enhancement layer to be transmittable via at least one of a plurality of transmission channels; and a synchronizer configured to provide the enhancement layer processing unit with synchronization information that is used for synchronizing the elementary stream of the enhancement layer with the elementary stream of the base layer.

Abstract: The present invention relates to an apparatus for transforming digital TV broadcasting signals into digital radio broadcasting signals and a method thereof.