Samsung Electronics Co., Ltd.

Seong-sin Joo

Kyung-geun Lee

In-sik Park

Du-seop Yoon

Jung-wan Ko

Yong-Jin Ahn

Byung-in Ma

Chang-jin Yang

Jin-gyo Seo

Jong-kyu Kim

Seoung-soo Kim

Myeong-ho Cho

Myung-do Roh

Sung-ro Ko

Tatsuhiro Ohtsuka

Chong-sam Chung

Jang-hoon Yoo

Tatsuhiro Otsuka

Byoung-ho Choi

Joong-eon Seo

Jae-seong Shim

Jae-Seung Kim

Jae-jun Lee

Yong-Tae Kim

Young-man Ahn

Hea-jung Suh

Yong-seok Jang

Dae-sik Kim

Pyong-yong Seong

Yong-jae Lee

Kyung-ik Cho

Tae-kyung Kim

Jae-Jun Lee

Joong-Eon Seo

Hyun-Koo Kang

Moon-seok Jang

Dae-yeon Kim

Yong-kwang Won

Weon-kyo Jung

Young-jin Ahn

Nikolai Tchistiakov

Jung-Eon Seo

Soo-Yul Jung

Seung-ill Lee

A method of generating a 3-dimensional (3D) image datastream is provided. The method includes generating an elementary stream including an encoded bit string of 3D image data; generating at least one packetized elementary stream by packetizing the elementary stream; generating at least one section including service related information of the 3D image data; inserting 3D image reproduction information for reproducing the 3D image data into a program guide information section from among the at least one section; generating at least one transport stream packet for each of the at least one section and the at least one packetized elementary stream; and generating a transport stream by multiplexing the at least one transport stream packet.

Method and apparatus for generating 3-dimensional image datastream including additional information for reproducing 3-dimensional image, and method and apparatus for receiving the 3-dimensional image datastream

Provided are a method and apparatus for providing and reproducing a three-dimensional (3D) video content, and a computer readable recording medium storing a program to execute the method. The method of providing 3D image content includes: inserting content type information indicating whether the image content is two-dimensional (2D) image content or 3D image content into a reserved region of a Program Map Table (PMT); inserting additional information about the 3D image content into one of an Elementary Stream (ES) descriptor region of the PMT and a reserved region included in a video sequence of the ES; and multiplexing the PMT and the ES of the 3D image content so as to generate a Transport Stream (TS). Accordingly, compatibility with a conventional digital broadcasting system can be maintained and more realistic 3D image content can be provided to a user.

Method and apparatus for providing and reproducing three-dimensional video content and recording medium thereof

An image processing apparatus and an image processing method are provided. The image processing apparatus includes: a first receiving unit which receives a first image data and an auxiliary information for receiving a second image data forming an improved image in cooperation with the first image data; a second receiving unit which receives the second image data; an image processing unit which generates an image; and a controller which controls the second receiving unit to receive the second image data based on the auxiliary information and controls the image processing unit to generate the improved image based on the first image data and the second image data.

Image processing apparatus and image processing method

A method of receiving media data capable of being transceived via a digital data interface is provided. In the method, media data is received and parsed, and ancillary data for raw data and compression-related information about compressed data for the raw data are extracted from an ancillary data field of the parsed media data. The compressed data is extracted from the parsed media data, and the compressed data is decoded using the compression-related information so as to restore the raw data. The restored raw data is played back using the ancillary data and the compression-related information.

Method and apparatus for transmitting compressed data using digital data interface, and method and apparatus for receiving compressed data using digital data interface

Provided are a method and apparatus for generating a stereoscopic image bitstream. The method includes dividing a base view image and an additional view image into blocks having a predetermined size, generating a combined image by combining the blocks of the base view image and the blocks of the additional view image, recording the combined image in a payload area of the stereoscopic image bitstream, and recording block combination pattern information about a pattern of arranging the blocks of the base view image and the additional view image in the combined image, in a header area of the stereoscopic image bitstream.

Method and apparatus for generating stereoscopic image bitstream using block interleaved method

An optical recording medium is provided, the optical recording medium including a plurality of zones configured to store data corresponding to an adaptive write pulse, the adaptive write pulse including a first pulse, a last pulse, and a multi-pulse train, the adaptive write pulse being different for each of the plurality of zones, the plurality of zones being reflected by a grouping table, the grouping table being configured to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to a length of the mark to be written and a leading space, the adaptive write pulse waveform being generated without regard for a trailing space of a present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured to correspond to the adaptive write pulse waveform, and store rising edge data of the first pulse of the adaptive write pulse waveform varying according to corresponding stored values of lengths of marks to be written. A width of the first pulse is varied by varying the position of the rising edge.

Adaptive writing method for high-density optical recording apparatus and circuit thereof

An apparatus configured to write input data on an optical recording medium using a write pulse waveform including a first pulse, a last pulse and a multi-pulse train is provided. The apparatus includes a discriminator configured to discriminate a magnitude of a present mark, a magnitude of a leading space, and a magnitude of a trailing space from the input data, a write waveform controller configured to control the write pulse waveform based on a grouping table, the grouping table being configured to store rising edge data of the first pulse of the write pulse waveform grouped in corresponding pulse groups according to magnitudes of a plurality of present marks and magnitudes of a plurality of spaces adjacent to the plurality of present marks, the write pulse waveform being controlled to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of the mark to be written according to at least the magnitudes of the present mark and the leading space, and a processor configured to process the input data on the optical recording medium using the adaptive write pulse waveform. The discriminator is further configured to apply the magnitude of the present mark, the magnitude of the leading space, and the magnitude of the trailing space to the write waveform controller. The width of the first pulse is varied by varying the position of the rising edge.

An optical recording medium is provided, the optical recording medium including a plurality of zones respectively corresponding to width data of first and/or last pulses of an adaptive write pulse waveform stored in a grouping table, the grouping table being configured to group a magnitude of a present mark of input data and magnitudes of leading and/or trailing spaces of the present mark into a short pulse group, a middle pulse group, and a long pulse group using grouping pointers, store data configured to calculate a width of a write pulse, an adaptive write pulse being generated in response to the calculated width, generate the adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to the magnitudes of the present mark and the leading space, the adaptive write pulse waveform being generated without regard for the trailing space of the present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured to correspond to the adaptive write pulse waveform, and store rising edge data of the first pulse of the adaptive write pulse waveform varying according to corresponding stored values of lengths of marks to be written. A width of the first pulse is varied by varying the position of the rising edge.

An apparatus configured to write input data on an optical recording medium using a write pulse waveform, the write pulse waveform including a first pulse, a last pulse and a multi-pulse train, is provided. The apparatus includes a discriminator configured to discriminate a magnitude of a present mark and a magnitude of a leading space from the input data, a write waveform controller configured to control the write pulse waveform to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of the present mark to be written according to the magnitude of the present mark and the magnitude of the leading space, and use a grouping table to control the write pulse waveform to generate the adaptive write pulse waveform, the grouping table being configured to store rising edge data of the first pulse of the write pulse waveform varying according to corresponding stored values of magnitudes of present marks and magnitudes of leading spaces, and a processor configured to process the input data on the optical recording medium using the adaptive write pulse waveform. The discriminator is further configured to apply the magnitude of the present mark and the magnitude of the leading space to the write waveform controller. The adaptive write pulse waveform is generated without regard for a trailing space of the present mark being written using the adaptive write pulse waveform. A width of the first pulse is varied by varying the position of the rising edge.

A method and an apparatus to perform efficient dynamic frequency selection between basic service sets in the same channel for wireless LAN using a 5 gigahertz frequency band. Provided also are a method and an apparatus to perform efficient channel selection corresponding to basic service sets in the same channel regardless of negotiation capability of a second device by performing negotiation corresponding to a channel to be used by a first device and a channel to be used by a second device and selecting a channel to be used by the first device based on a negotiation result.

Method and apparatus to dynamically select a frequency between basic service sets in a same channel

Provided are a method and an apparatus for providing three-dimensional (3D) digital content by using a conventional system for providing two-dimensional (2D) digital content. The method includes generating an elementary stream (ES) regarding first data of 2D digital content, generating an ES regarding second data of 3D digital content, packetizing the ESs of the first data and the second data, and recording) the packetized second data and content information of the second data within header information of multiplexed stream of the packetized first data.

Method and apparatus for providing and receiving three-dimensional digital contents

An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.

An apparatus for recording data on and reproducing data from the disk in which a recording area is divided into sectors, includes a reproducing signal generator for generating a reproducing signal including sum signals Vand Vof radial pairs, a sum signal RF_sum, and a push-pull signal RF_pp from an optical signal reflected from the disk, a header area detector for generating a header area signal including a header area from the reproducing signal, a first synchronous signal level detector for detecting a magnitude Ivfoof a first synchronous signal in the first header by being synchronized with the header area signal, a second synchronous signal level detector for detecting a magnitude Ivfoof a second synchronous signal in the second header by being synchronized with the header area signal, and a balance calculator for calculating the balance of the magnitude Ivfoand the magnitude Ivfo

Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error

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Suwon, South Korea

Seong-sin Joo