Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.

Abstract: A method of creating a file according to a freeview audio/video (AV) service, the method including: creating a file header that includes content related information, AV object related information, preset related information, or preset information associated with at least one preset; creating audio object information associated with at least one audio object; creating video object information associated with at least one video object; and processing the file header, the audio object information, and the video object information into a preset format of a single freeview AV file to store the processed preset format of the freeview AV file is provided.

Abstract: A broadcaster apparatus, content operator apparatus, and receiving terminal for augmented broadcasting service, and an augmented broadcasting service method. A service user may select a predetermined content operator among content operators that provide augmented content in an environment for providing an augmented broadcasting service according to an exemplary embodiment.

Abstract: A prediction mode determining method in scalable video coding based on a structure of multiple layers is provided. The prediction mode determining method includes: deriving a coded block pattern (CBP) value of a luma component for a 16×16 mode of an encoding target picture; determining first candidate modes for the encoding target picture according to the derived CPB value; and determining a final prediction mode for the encoding target picture based on the determined first candidate modes. According to the present invention, encoding efficiency may be improved, and complexity may be reduced.

Abstract: Provided is an apparatus and method for encoding/decoding a moving picture based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a residue signal and quantization differently according to the intra prediction mode. The moving picture encoding apparatus includes: a mode selector for selecting and outputting a prediction mode; a predictor for predicting pixel values of pixels to be encoded of an input video based on the prediction mode to thereby output a residue signal block; a transform/quantization unit for performing DCT onto the residue signal block and quantizing the transformed residue signal block; and an encoder for adaptively scanning and encoding the quantized residue signal block based on the prediction mode.

Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.

Abstract: Provided is a video encoding apparatus, including a signal separator to separate a differential image block into a first domain and a second domain, based on a boundary line included in the differential image block, the differential image block indicating a difference between an original image and a prediction image with respect to the original image, a transform encoder to perform a transform encoding with respect to the first domain using a discrete cosine transform (DCT), a quantization unit to quantize an output of the transform encoding unit in a frequency domain, a space domain quantization unit to quantize the second domain in a space domain, and an entropy encoder to perform an entropy encoding using outputs of the quantization unit and the space domain quantization unit.

Abstract: An apparatus for coding an image is provided to effectively code the image. The apparatus for coding the image includes an input image segmentation unit to segment an input image into a plurality of image blocks including a first image block and a second image block. The apparatus also includes a waveform information generation unit to select a plurality of reference pixels from among pixels included in the first image block, generate first waveform information about the first image block based on a pixel value difference between the selected plurality of reference pixels, and generate second waveform information about the second image block based on a pixel value difference between the pixels included in the second image block. The apparatus also includes a coding unit to code an image included in the second image block based on the first waveform information and the second waveform information.

Abstract: Provided are a method for creating, editing and reproducing a multi-object audio content file for an object-based audio service and a method for creating audio presets. The multi-object audio content file creating method includes creating a plurality of frames for each audio object forming an audio content; and creating a multi-object audio content file by grouping and storing the frames according to each reproduction time. This invention can enhance functions of the object-based audio service and make it easy to access to each audio object of an audio content file.

Abstract: Provided is an apparatus and method for encoding/decoding a moving picture based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a residue signal and quantization differently according to the intra prediction mode. The moving picture encoding apparatus includes: a mode selector for selecting and outputting a prediction mode; a predictor for predicting pixel values of pixels to be encoded of an input video based on the prediction mode to thereby output a residue signal block; a transform/quantization unit for performing DCT onto the residue signal block and quantizing the transformed residue signal block; and an encoder for adaptively scanning and encoding the quantized residue signal block based on the prediction mode.

Abstract: Provided is a multi-dimensional layered modulation transmitting and receiving apparatus and method for stereoscopic three-dimensional (3D) video data. The transmitting apparatus may convert multi-dimensional data to a plurality of stream data by mapping the multi-dimensional data to a complex number plane, and may transmit the plurality of stream data by mapping the plurality of stream data to dimensions divided based on a time and a space, respectively. The receiving apparatus may determine a signal strength of received signal, a performance, a power mode, may determine a service image corresponding to the signal strength, the performance, the power mode, may determine a dimension corresponding to the service image, and may receive stream data of the determined dimension.

Abstract: Disclosed is a multimedia device for synchronizing a screen with a remote control device. The multimedia device comprises: a communication portion for communicating with the remote control device; and a control portion for outputting data of a plurality of images on a display portion, and transmitting the data of the images that is outputted on the display portion to the remote control device through the communication portion, thereby synchronizing the screens between the multimedia device and the remote control device.

Abstract: The present invention relates to an apparatus for transmitting packets in an MPEG Media Transport (MMT) system, including: an MMT packetizing unit recording standard time information related to a media access unit for providing synchronization of the media access unit and generating MMT packets; and a transmission unit transmitting the generated MMT packets to the recipient side. Accordingly, synchronization between different media can be provided in a hybrid transmission environment where media streams belonging to one program are transmitted from different servers.

Abstract: In a method and system for providing and receiving multi-screen based content, the method for providing multi-screen based content includes providing a user with secondary content in real time through a secondary terminal including at least one screen, in which the secondary content is related to primary content reproduced through a primary terminal.

Abstract: A preprocessing apparatus of recognizing a user. The preprocessing apparatus may include an image acquisition controller to compare a received filmed image and a pre-registered background image, and update the pre-registered background image based on whether light is changed; a Modified Census Transform (MCT) transformer to transform the pre-registered background image or the updated background image through an MCT method to generate an MCT background image, and transform the received filmed image through the MCT method to generate an MCT filmed image; and a difference image processor to differentiate the MCT filmed image and the MCT background image to generate a difference image.

Abstract: An apparatus and method for providing a multi-angle viewing service, in which main broadcast content is transmitted to a main terminal and multi-angle content are transmitted to a personal terminal, are disclosed. The apparatus for providing a multi-angle viewing service includes an encoder unit configured to receive videos captured at a plurality of different angles from a plurality of cameras, and to generate a plurality of elementary streams, a broadcast transmission unit configured to transmit broadcast content generated based on the plurality of elementary streams through a broadcasting network, and a multi-angle streaming unit configured to generate a plurality of pieces of multi-angle content corresponding to the broadcast content based on the plurality of elementary streams, and to transmit one of the plurality of pieces of multi-angle content to a personal terminal through a network based on a request signal from the personal terminal.

Abstract: In a multi-angle view processing apparatus, main-view data and at least one multi-angle view datum are received and processed through via one identical apparatus, and the main-view data and the at least one multi-angle view datum are separated into main images and sub images to be separately provided to different apparatuses, and as a result, seamless multi-angle view images selected by a user may be viewed with optimal resolution.

Abstract: Provided are a coordinated multipoint transmission and reception method and a coordinated multipoint transmission and reception system for performing the same. In the operation method of a first base station in a network in which the first base station and a second base station transmit data to a terminal, the method includes receiving, by the first base station, a packet to be transmitted to the terminal and base station information indicating a base station determined to transmit the packet from a gateway of the network; and transmitting, by the first base station, the packet to the terminal according to the determined base station information.

Abstract: Disclosed is a remote control device capable of synchronizing screens. The remote control device comprises: a communication portion for communicating with a multimedia device; a touch screen on which a graphic user interface for remote-controlling the multimedia device is displayed; and a control portion for receiving through the communication portion from the multimedia device data of a plurality of images that are outputted on the screen of the multimedia device, and outputting same to the touch screen, and then transmitting remote-control data that is relevant to the multimedia device through the communication portion when inputting through the graphic user interface, thereby synchronizing the screens between the multimedia device and the remote control device.

Abstract: An audience selection type augmented broadcasting service providing apparatus and method is provided. The audience selection type augmented broadcasting service providing apparatus may include an augmented broadcast producing server to process a production process of augmented contents to provide the augmented broadcasting service, for broadcast contents, a broadcasting server to multiplex and transmit the broadcast contents and metadata for the augmented broadcasting service, and an augmented content receiving terminal to process the augmented contents based on the metadata for the augmented broadcasting service, while playing the broadcast contents.