Electronics and Telecommunications Research Institute

Lg Electronics Inc.

University-industry Cooperation Group of Kyung Hee University

Sejong University

Industry-university Cooperation Foundation Korea Aerospace University

Kwangwoon University Industry-academic Collaboration Foundation

Lx Semicon Co., Ltd.

Lg Innotek Co., Ltd.

Hanbat National University Industry-academic Cooperation Foundation

Jin Soo Choi

Jin Ho Lee

Jin Woong Kim

Sung Chang Lim

Hui Yong Kim

Ha Hyun Lee

Han Gyu Cho

Jong Ho Kim

Se Yoon Jeong

Jin Sam Kwak

Suk Hee Cho

Chie Teuk Ahn

Jae Hoon Chung

Sung Ho Moon

Hyung Ho Park

Gwang Hoon Park

Kyung Yong Kim

Bin Chul Ihm

Jung Won Kang

Wook Bong Lee

Doo Hyun Sung

Jong Young Han

Min Seok Oh

Kyu Jin Park

Eun Jong Lee

Dong San Jun

Jin Young Chun

Seung Hee Han

Dong Gyu Sim

Sang Min Kim

Jong Ki Han

Jae Yung Lee

Dong Cheol Kim

Jae Gon Kim

Hyun Woo Lee

Jung Hak Nam

Jeong Ki Kim

Sang Yong Lee

Hyo Min Choi

Tae Ryong Kim

Han Soo Lee

Un Ki Park

Young Soo Yuk

Hyun Suk Ko

Yeong Hyeon Kwon

Min Seok Noh

Su Nam Kim

Seung Hyun Cho

Seung Woo Nam

Ki Seon Ryu

Jong Min Kim

Hee Jeong Cho

Seung Hyun Kang

Hae Chul Choi

Moon Il Lee

Seoung Jun Oh

Doo Hyun Seong

Hyun Soo Ko

Yong Ho Kim

Gi Won Park

Ae Ran Youn

Seong Ho Moon

Eunjong Lee

Sung Ho Park

Jin Soo Lee

Wookbong Lee

Yong Ju Lee

Ja Ho Koo

Yong Suk Kim

Suk Woo Lee

In Uk Jung

Chieteuk Ahn

Dong Kyu Kim

Ki Hyoung Cho

Dong Guk Lim

Ji-Hoon Choi

Dong-Gyu Sim

Ji Wook Chung

Do Hyeon Park

Hyung Jin Park

Ki Ho Nam

Hyon Gon Choo

Min-Sik Park

Sang-Woo Ahn

Munchurl Kim

Woong Hee Kim

Minseok Oh

Yong Ho Seuk

Hang Gyu Cho

Yeong Hyeong Kwon

The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.

Intra prediction method and device

Disclosed herein is an intra prediction method including: deriving neighbor prediction mode information from a left neighbor prediction mode and an upper neighbor prediction mode; deriving an intra prediction mode for a decoding target unit by using the derived neighbor prediction mode information; and performing intra prediction on the decoding target unit based on the intra prediction mode. According to exemplary embodiments of the present invention, image encoding/decoding efficiency can be improved.

Intra prediction mode encoding/decoding method and apparatus for same

An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.

Method and device for encoding/decoding image, and recording medium storing bit stream

Provided are an encoding device using predictive coding in a screen and a method thereof, and a decoding device and a method thereof. The encoding device is capable of generating a prediction block of a current block according to one of methods for generating a plurality of predetermined prediction blocks, and outputting at least one of encoding information and differential blocks as bitstream by entropy encoding according to whether differential blocks are encoded or not.

Method and device for simplifying the encoding and decoding of ultra-high definition images

The present invention relates to image processing, and more particularly, to a video coding/decoding method using a clipped motion vector and an apparatus thereof. An embodiment of the present invention relates to a method of decoding an image. The method includes clipping a motion vector of a reference picture in a predetermined dynamic range to generate a clipped motion vector, storing the clipped motion vector in a buffer, deriving a motion vector of a coding treeblock using the motion vector stored in the buffer, and performing inter prediction decoding process using the motion vector of the coding treeblock. According to the exemplary embodiment of the present invention, a size of a memory required for storing motion vectors may be reduced.

Method and apparatus for encoding/decoding images using a motion vector

The present invention relates to a method and an apparatus for interlayer prediction, and the method for interlayer prediction, according to the present invention, comprises the steps of: deciding whether to apply an interlayer prediction to an enhancement layer; and performing a prediction on a current block of the enhancement layer based on reference information that is generalized and generated from a reference picture, which is decoded, of a reference layer, when the interlayer prediction is applied, wherein the reference layer information can be encoding information of a reference block, which corresponds to a current block of the enhancement layer, from the reference layer, and residual information.

Method for coding and decoding scalable video and apparatus using same

According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.

Image encoding/decoding method using prediction block and apparatus for same

According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved.

Inter prediction method and apparatus for same

An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.

Intra prediction method and apparatus

Provided is a transform coefficient scan method including: determining a reference transform block for a decoding target block; deriving a scanning map of the decoding target block using scanning information of the reference transform block; and performing inverse scanning on a transform coefficient of the decoding target block using the derived scanning map. According to the present invention, picture encoding/decoding efficiency may be improved.

Method for scanning transform coefficient and device therefor

An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.

Method and apparatus for inter prediction using motion vector candidate based on temporal motion prediction

Growing community of inventors

Daejeon-si, South Korea

Jin Soo Choi