Electronics and Telecommunications Research Institute

Kookmin University

Hidea Solutions Co., Ltd.

Kai Media Co.

Korea Telecommunication Authority

Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Telecommunications Research

Jin Suk Kwak

Jin Woong Kim

Jin Soo Choi

Sung Hoon Kim

Dong Wook Kang

Joo Young Lee

Kyeong Hoon Jung

Suk Jin Hong

Min Suk Lee

Kang Whan Lee

Chie Teuk Ahn

Hyon Gon Choo

Jae Gark Choi

Myoung Ho Lee

Dong Hyun Kwon

Do Nyon Kim

Se Yoon Jeong

Jin Woo Hong

Dae Young Jang

Stefan Geyersberger

Chieteuk Ahn

Harald Popp

Kyeong Ok Kang

Ki Chul Kim

Wolfgang Fiesel

Young Kwon Lim

MunChurl Kim

Joo Hong Jeong

Young Sun Lee

Sung Han Kim

Mun Chul Kim

Provided is an apparatus and method for reproducing a three-dimensional (3D) image. A 3D image reproduction apparatus may include an image selector configured to select a left-eye image and a right-eye image based on a broadcast standard of a broadcast stream, and an image outputter configured to output the 3D image by synthesizing and output the left-eye image and the right-eye image in a 3D image format.

Apparatus and method for reproducing 3D image

Disclosed are a method and apparatus for providing a three-dimensional (3D) broadcast service using images with asymmetric aspect ratios and a method and apparatus for reproducing a 3D broadcast service. The method of providing the 3D broadcast service includes adjusting a second viewpoint image to be composed with a first viewpoint image into a 3D form with respect to the first viewpoint image and the second viewpoint image for 3D broadcasting, encoding the first viewpoint image and the adjusted second viewpoint image, and generating a broadcast stream of the first viewpoint image and a broadcast stream of the second viewpoint image by multiplexing the first viewpoint image and the second viewpoint image.

3D broadcast service providing method and apparatus, and 3D broadcast service reproduction method and apparatus for using image of asymmetric aspect ratio

An apparatus and a method for synchronizing left and right streams in a stationary/mobile hybrid 3DTV are disclosed. The apparatus according to an exemplary embodiment may synchronize content streams corresponding to left and right images using a timestamp pairing mode, a timestamp offset mode, and a network time protocol (NTP) synchronization mode.

Apparatus and method for providing content for synchronizing left/right streams in fixed/mobile convergence 3DTV, and apparatus and method for playing content

Provided is a video providing method and a video playing method for a three-dimensional (3D) video, and an apparatus for performing the methods. The video providing method may transmit a reconstruction mode for reconstructing a low-resolution additional video having lower resolution than a high-resolution reference video.

Apparatus and method for providing image, and apparatus and method for playing image

A content providing apparatus and method, and a content reproduction apparatus and method for accessing a content stream in a hybrid three-dimensional television (3DTV) are disclosed. The content providing apparatus may include a content stream generation unit to generate a first content stream corresponding to a reference image and a second content stream corresponding to a supplementary image, a descriptor generation unit to generate a descriptor associated with the first content stream and the second content stream, and a data transmission unit to transmit the first content stream, the second content stream, and the descriptor to a content reproduction apparatus.

Device and method for providing content by accessing content stream in hybrid 3D TV, and device and method for reproducing content

A video object segmentation method applicable to a video system is presented. The method includes primarily segmenting objects existing in a frame of a video sequence manually or semi-manually. The objects within a video sequence including the primarily segmented object are automatically segmented. The method also determines whether any scene change is made between consecutive frames or any new object other than the primarily segmented object appears within the video sequence being automatically segmented, when repeatedly performing automatically segmenting the objects within the video sequence for consecutive frames. And, the method repeatedly performs primarily segmenting objects existing in a frame of a video sequence manually or semi-manually if it is determined that any scene change is made between consecutive frames or any new object other than the primarily segmented object appears within the video sequence being automatically segmented.

Method for objects segmentation in video sequences by object tracking and user assistance

The present invention relates to a data CODEC system for computer. The data CODEC system for computer comprises a system control software, a multichannel audio/speech and multimedia data signal processor, and a multichannel audio/speech and multimedia data input-output unit. The system control software communicates multichannel audio/speech and multimedia data with the multichannel audio/speech and multimedia data signal processor according to control of various application programs. The multichannel audio/speech and multimedia data signal processor processes multichannel audio/speech and multimedia data. The multichannel audio/speech and multimedia data input-output means inputs/outputs multichannel audio/speech and multimedia data from/to an external system.

Data CODEC system for computer

It is an object of the present invention to provide a method for automatically segmenting image objects by applying contour tracking to image objects with segmentation information of previous image object, and according to an aspect of the present invention, there is provided a method for segmenting an image object of a moving picture including the steps of: extracting and storing a contour of a previous image object of a previous scene by using a predetermined segmentation information of the previous image object; calculating a motion information by extracting a contour of the previous image object at a current scene; extracting a contour of a current image object by using the motion information and a space domain information of previous and current scenes; and extracting an image object area of the current image object at the current scene by using the contour of the current image object.

Method for segmenting moving picture objects by contour tracking

A block-matching motion estimation apparatus in the form of linear systolic array architecture. The apparatus includes a selecting unit for inputting data of a reference block and other data to delay the data of the reference data and selectively outputting the data; a delaying unit having P-1 delay elements where the first delay element delays and outputs an output of the selecting unit and the second to (P-1)-th delay elements delay and output outputs of just front delay element, respectively, the P-1 delay element being connected in serial; and a mean absolute difference operating unit for simultaneously inputting data of a search area to each pipe by connecting in parallel P pipes where operation elements are disposed in a linear systolic array architecture, and then calculating a value of mean absolute difference in each of the search areas by inputting outputs of the selecting unit, the first delay element, and the (P-1)-th delay element to the first pipe, the second pipe, and the (P-th) pipe, respectively.

Block-matching motion estimation apparatus under use of linear systolic

The present invention relates to an apparatus for simultaneously estimating a set of frame-to-frame motions between two frames and a set of field-to-field motions between two fields. The apparatus for simultaneously estimating both a set of frame-to-frame motions and a set of field-to-field motions, comprises: a first delay unit 1 for delaying a set of search area data of a first frame of the frames; a selection unit 3 for selecting a set of current reference data of a second frame of the frames or a set of previous reference data of the second frame; a motion estimation unit 4 for calculating a mean absolute difference between an output of a selection unit 3 and an output of the first delay unit 1; a second delay unit 2 for delaying a feedback reference data from the motion estimation unit 4; and a comparator 5 for receiving an output from the a motion estimation unit 4 and employing a mean absolute difference for each of the fields to produce a mean absolute difference, a motion vector and a prediction direction for each of the fields, and to produce a mean absolute difference and a motion vector for each of sets of the reference data contained in the second frame.

Apparatus for estimating frame-to-frame and field-to-field motions

An apparatus for estimating a half-pel motion comprising: a memory for storing motion-compensation errors in integer-pel positions; an address generator for generating an address of the integer-pel positions to the memory; an operator for receiving the motion-compensation errors from the memory, and calculating motion-compensation errors in the eight half-pel positions which are on the outskirts of the integer-pel position having a minimum motion-compensation error; and a comparator and half-pel motion vector selector for comparing the motion-compensation errors in the eight half-pel positions with the minimum motion-compensation error in the integer-pel position and selecting a position having a minimum motion-compensation error as a final half-pel motion vector.

Apparatus for estimating a half-pel motion in a video compression method

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Daejeon, South Korea

Jin Suk Kwak