Electronics and Telecommunications Research Institute

Kt Corporation

Agency for Defense Development

Research Institute Korea Telecom

Soo-In Lee

Sung-Ik Park

Heung-Mook Kim

O-Hyung Kwon

Jae-Young Lee

Jae-Hyun Seo

Jong-Soo Lim

Yong-Tae Lee

Ho-Min Eum

Seung-Won Kim

Sung-Hoon Kim

Chieteuk Ahn

Joon-Young Jung

Seung-won Kim

Kug-Jin Yun

Hyun Jun Lee

Namho Hur

Gwang-Soon Lee

Han-Seung Koo

Kum-ran Ji

Nam-Ho Hur

Jin-Woong Kim

Dong-Joon Choi

Hyoungsoo Lim

Suk-Hee Cho

Chung-Hyun Ahn

Bong-Ho Lee

Hyun Woo Lee

Eun-Jung Kwon

Jae-Hwui Bae

Young-Su Kim

Hyoung-Nam Kim

Young-Kwon Hahm

So-Ra Park

Ju-Yeun Kim

Yung-Lyul Lee

Gun Bang

Hyun-Cheol Park

Hyoung-Soo Lim

Jae-Ho Lee

Geon Lyang Kim

Gi-Mun Um

Byung-Jun Bae

Yong-Seong Cho

Dae-Hee Kim

Ho-Kyoung Lee

Seung-Eun Hong

Chang-Joong Kim

Chie-teuk Ahn

Jong-Ryul Kim

Woong-Shik You

You-Seok Lee

Jae-bum Kim

Taeone Kim

Eun-Young Chang

Hyun Jae Lee

Jeong-Il Seo

Yong-Hoon Lee

Kum-Ran Ji

Hyun-Sook Cho

Jinwoong Kim

Yun-Jeong Song

Young-Ho Jeong

Eung-Don Lee

Sang-Jung Ra

Yang-Su Kim

Jin-Hwan Lee

Kwanghee Jung

Kyu-Hyung Kim

Chung-Pyo Hong

Kyung-Sik Son

Hwan-Chul Kim

Ae-Kyeung Moon

Doh-Wook Kim

Kugjin Yun

Gwangsoon Lee

Woongshik You

Kyu-Tae Yang

Bongho Lee

Sung-Kyong Un

Won-Jin Park

Ji-Bong Lee

Wan-Jin Kim

Sang-Won Son

Eun-Seok Jin

Sammo Cho

Ho-Jin Kwon

Kyo-Gun Chang

Tae-June Chae

Hoon-Jong Kang

Nam-Ho 610-801 Yeolmae Maeul Apt 880 Hur

The proposed technology relates to an amphibious vehicle with a forward shape transforming system and, more particularly, to an amphibious vehicle with a forward shape transforming system that can adjust resistance in traveling by adjusting an aspect ratio by changing the length of the amphibious vehicle. The present invention has been made in an effort to solve the problems and an object of the present invention is to maintain a posture and reduce resistance on the water by increasing the length of a vehicle body by configuring a front extension unit that moves by sliding on the front of an amphibious vehicle.

Amphibious vehicle with forward shape transforming system

Provided is a system and method for transmitting and receiving 3D video based on digital broadcasting. The system includes: an encoder for generating 2D ES and 3D supplementary ES by encoding 2D video and 3D supplementary data; a packetizer for generating 2D video PES and 3D supplementary PES by packetizing the 2D video ES and the 3D supplementary ES; a PSI generator for generating a PSI; a TS generator for generating 2D video TS and 3D supplementary TS for the 2D video PES and the 3D supplementary PES; a multiplexer for multiplexing the transport streams to transmit the 2D video TS as a normal stream and transmit the 3D supplementary TS, the PSI TS and 3D video synch data TS as robust stream; and a modulator for modulating the multiplexed TS according to a DTV specification and transmitting the modulated TS.

System and method for transmitting/receiving three dimensional video based on digital broadcasting

An apparatus and method for controlling lighting in a plant factory are disclosed. The apparatus includes a weight calculation unit, a height calculation unit, a light information extraction unit, and a distance control unit. The weight calculation unit calculates the weight of at least one crop being cultivated based on a sensing result received from a weight sensor disposed in a crop cultivation bed. The height calculation unit calculates the height of the crop based on information about the growth of the crop corresponding to the weight of the crop. The light information extraction unit extracts information about artificial light corresponding to the height of the crop based on the information about the growth of the crop. The distance control unit controls the height of an artificial lighting device based on the information about artificial light.

Apparatus and method for controlling lighting in plant factory

Provided is an error correcting encoder and, more particularly, to an error correcting encoder used for an improved transmission method of the Advanced Television System Committee (ATSC), and a method thereof. The error correcting encoder for digital television broadcasting, which is suggested in the present research, includes a robust encoder for encoding a one-bit input into robust encoded data; a pre-coding block for receiving the robust encoded data and performing pre-coding to thereby produce a pre-coded signal; and a trellis encoding block for performing trellis encoding on the robust encoded data and the pre-coded signal.

Encoder of E-8VSB forward error correction for digital television system of ATSC

Provided are an apparatus and method for predictive coding/decoding for improving a compression rate of multiview video using one or two additional reference frame buffers. The predictive encoding apparatus includes: a multiview reference picture providing unit for providing a reference picture for a predictive encoding according to temporal and spatial GOP structure information; a prediction unit for creating a vector by predicting which part of the reference picture inputted from the multiview reference picture providing unit is referred by a picture to currently encode; a transforming and quantizing unit for obtaining a difference signal between the predicted signal inputted from the prediction unit and a picture signal to currently encode, transforming the obtained difference signal, quantizing the transformed signal, and compressing the quantized signal; and an entropy encoding unit for encoding the quantized signal and the vectors according to a predetermined scheme and outputting the encoded signal.

Apparatus of predictive coding/decoding using view-temporal reference picture buffers and method using the same

Provided is a multi-view video coding/decoding method and apparatus which uses coded and decoded multi-view videos to code and decode depth information videos corresponding to the multi-view videos. The multi-view video coding method includes: controlling the scales of first and second depth information videos corresponding to a multi-view video such that the scales are equalized; and coding the second depth information video, of which the scale is controlled, by referring to the first depth information video of which the scale is controlled.

Multi-view video coding/decoding method and apparatus

A broadcasting-communication data receiving apparatus for receiving mixed signals including original signals and additional signals. The apparatus includes a receiver for receiving the mixed signals and outputting mixed signals of a predetermined band, a first demodulator for receiving the mixed signals of the predetermined band and generating baseband mixed signals, an original data generator for receiving the baseband mixed signals and generating original data, an original signal generator for receiving the original data and generating baseband original signals, a modulator for receiving the baseband original signals and generating original signals of a predetermined band, a subtractor for subtracting the original and mixed signals of the predetermined band to thereby generate additional signals of a predetermined band, a second demodulator for receiving the additional signals of the predetermined band and generating baseband additional signals, and an additional data generator for receiving the baseband additional signals and generating additional data.

Method and apparatus for transmitting/receiving broadcasting-communication data

Provided are an on-channel repeater and an on-channel repeating method. The on-channel repeater includes: a receiving means for receiving a Radio Frequency (RF) signal; a subtracting means for subtracting a replica of feedback signals from the signal received by the receiving means; a replica generating means for calculating the replica based on the signal acquired from the subtraction in the subtracting means and feeding back the replica to the subtracting means; an inverse channel estimating means for estimating inverse of a reception channel based on the signal acquired from the subtraction in the subtracting means and generating filter tab coefficients; a first adaptive filtering means for compensating for channel distortion of the signal subtracted by the subtracting means based on the filter tab coefficients generated in the inverse channel estimating means; and a transmitting means for converting a signal whose channel distortion is compensated by the first adaptive filtering means into an RF signal and performing radio transmission.

On-channel repeater and on-channel repeating method

An apparatus and a method for synchronizing and providing a stereoscopic image are provided. The method includes storing a first image, receiving a second image that forms a stereoscopic image with the first image correlated, synchronizing the first image and the second image, and outputting the synchronized two images.

Apparatus and method for synchronizing stereoscopic image, and apparatus and method for providing stereoscopic image based on the same

Disclosed is an apparatus and method for providing a broadcasting service in a single frequency broadcasting network, and a system thereof. The apparatus for receiving broadcasting signals includes an RF receiver configured to receive an RF broadcasting signal having identification information to identify a broadcasting signal transmitter and down-convert the received RF broadcasting signal; a reception characteristic measurer configured to measure reception characteristics of the RF broadcasting signal based on the identification information and generate reception characteristic information; and a reception characteristic transmitter configured to transmit the reception characteristic information to a broadcasting system.

Apparatus and method for providing broadcasting service and system thereof

A method for installing different security clients for channels in a terminal in a conditional access system includes: searching one or more channels searchable in the terminal; requesting, for respective searched channels, security clients necessary for receiving pay programs to be transmitted through the searched channels, to a broadcasting station which takes charge of the searched channels; and downloading and installing, for respective searched channels, the requested security clients from the broadcasting station.

Method and apparatus for remotely installing and updating different security clients for broadcasting or communication channels

Provided is an apparatus and method for analyzing identification (ID) signals by converting radio frequency (RF) signals which are transmitted with an ID signal added thereto by a transmitting part, e.g., a plurality of transmitters or repeaters, into signals of a desired band; creating ID signals that are identical to the ID signals added to the RF signals; calculating correlation values between the converted signals and the created ID signals based on partial correlation; and extracting channel profile of multi-path signals caused by a channel between the transmitting part and the ID signal analyzing apparatus from the correlation value. The technology of the present research is applied to broadcasting and communication.

Apparatus and method for analyzing identification signal based on partial correlation

A method and apparatus for providing 3D still image service in a specific time interval during audio-visual service of digital broadcast are provided. The method includes receiving a reference image and a 3D supplement image, which construct a 3D still image, through a data channel or a video channel together with a 2D image; restoring the reference image and the 3D supplement image to the 3D still image; and displaying the 3D still image in a specific interval during digital audio-visual broadcast using the 2D image according to display information which includes a play time and a play mode.

Method and apparatus for providing 3D still image service over digital broadcasting

An apparatus for transmitting broadcasting content including a control signal in a broadcasting network, the apparatus includes: a modulator configured to modulate broadcasting content by a predetermined modulation method; a control signal generator configured to generate a control signal for remote control of infrastructure; an adder configured to add the control signal to the modulated broadcasting content; and a DTV transmitter configured to convert the added signal to a DTV broadcasting signal and transmit the DTV broadcasting signal.

Apparatus and method for controlling infrastructure based on broadcasting signals

Provided is a channel equalizing apparatus and method for improving channel equalization performance in an Orthogonal Frequency Division Multiplexing (OFDM) reception system applied to digital broadcasting or a communication system. The apparatus, includes: a channel estimating unit for performing channel estimation by using a pilot signal of a frequency domain; a digital filtering unit for changing a characteristic of a channel in a time domain based on an estimated channel estimation result; and a channel equalizing unit for performing channel equalization of a frequency domain on the signal after changing the channel characteristic.

Apparatus and method for equalizing channel based on channel estimation

Growing community of inventors

Daejon, South Korea

Soo-In Lee