Electronics and Telecommunications Research Institute

University-Industry Cooperation Group of Kyung Hee University

Kwangwoon University Industry-Academic Collaboration Foundation

Lx Semicon Co., Ltd.

Korea Advanced Institute of Science and Technology

Intellectual Discovery Co., Ltd.

Dolby Laboratories Licensing Corporation

Sejong University

Indiana University

Sungkyunkwan University

Other

Samsung Electronics Co., Ltd.

Seoul National University

Agency for Defense Development

Korea Hydro Nuclear Power Co., Ltd.

Jin Soo Choi

Jin Ho Lee

Hui Yong Kim

Sung Chang Lim

Jin Woong Kim

Ha Hyun Lee

Jung Won Kang

Gwang Hoon Park

Se Yoon Jeong

Dong San Jun

Hyun Suk Ko

Kyung Yong Kim

Jong Ho Kim

Seung Hyun Cho

Suk Hee Cho

Jin Woo Hong

Chie Teuk Ahn

Hae Chul Choi

Sung-Chang Lim

Dong Gyu Sim

Sang Min Kim

Seoung-Jun Oh

Sea-Nae Park

Tae Jin Lee

Jae Gon Kim

Chang-Beom Ahn

Seung Ryong Kook

Kwang-Su Jeong

Mun Churl Kim

Sea Nae Park

Seoung Jun Oh

Tae Hyun Kim

Dae Young Lee

Sukhee Cho

Seung Kwon Beack

Hae-Chul Choi

Sang Yong Lee

Jinho Lee

Jongho Kim

Hahyun Lee

Sung Hoon Kim

Young Su Heo

Dong Wook Kang

Bum Shik Lee

Kyung Ae Moon

Kyeong Hoon Jung

Chan Woong Jeon

Yung Lyul Lee

Mi Suk Lee

Joo Young Lee

Suk Jin Hong

Dae Young Jang

Jongmo Sung

Jong Mo Sung

Won-Sik Cheong

Hyon Gon Choo

Sung-Hoon Kim

Nam Uk Kim

Jin Suk Kwak

Young Ho Jeong

Jun Woo Choi

Yong Ju Lee

Jeong Il Seo

Byeung Woo Jeon

Dae Yeon Kim

Jooyoung Lee

Minje Kim

Do Hyeon Park

Hyun Eui Kim

Chung Hyun Ahn

Tae One Kim

Tae Jin Park

Yong Jo Ahn

Kyeongok Kang

Dong Ho Kim

Gun Bang

Jeongil Seo

Ji-Hoon Choi

Dong-Gyu Sim

Won Sik Cheong

Woo-taek Lim

Bum Suk Choi

Soon Heung Jung

Inseon Jang

Hochong Park

Dong Kyu Lee

Young-ho Choi

Ji Hoon Lee

Sang Hyun Joo

Hyoung Soo Lim

Sang-min Lim

Tae Won Hwang

Eun Soo Lee

Eung Don Lee

Seung Won Jung

The image decoding method according to the present invention comprises the steps of: determining the availability of a block adjacent to a current block; configuring a merge candidate list for the current block on the basis of the result of the determined availability; and performing motion compensation for the current block on the basis of the merge candidate list, wherein the step of determining availability comprises the steps of inducing block availability information on the adjacent block and inducing the availability of motion information on the adjacent block, and the step of determining the availability of the adjacent block is such that when there is more than one adjacent block, the availability of adjacent blocks can be determined in accordance with a predetermined order restriction.

Image encoding/decoding method and device using same

The present invention relates to an image encoding/decoding method and apparatus. An image decoding method performing intra prediction according to the present invention may comprise dividing a current block into at least one sub-block; deriving an intra prediction mode for the at least one sub-block; constructing a reference sample for the intra prediction; and performing intra prediction for the at least one sub-block based on the derived intra prediction mode.

Image encoding/decoding method and device, and recording medium in which bitstream is stored

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

The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.

Method and device for encoding/decoding image using geometrically modified picture

The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise constructing N MPM lists for a current block, wherein N is equal to or greater than 1, deriving an intra prediction mode of the current block based on the N MPM lists, and performing intra prediction for the current block based on the intra prediction mode.

Image encoding/decoding method, apparatus, and recording medium for storing bitstream

A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.

Method and device for encoding/decoding images

A video decoding method according to an embodiment of the present invention may include determining a type of a filter to be applied to a first-layer picture which a second-layer picture as a decoding target refers to; determining a filtering target of the first-layer picture to which the filter is applied; filtering the filtering target based on the type of the filter; and adding the filtered first-layer picture to a second-layer reference picture list. Accordingly, the video decoding method and an apparatus using the same may reduce a prediction error in an upper layer and enhance encoding efficiency.

Video decoding method and apparatus using the same

The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Apparatus for encoding and decoding image by skip encoding and method for same

The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

Image encoder and decoder using unidirectional prediction

The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: deriving a spatial merge candidate from at least one of spatial candidate blocks of a current block, deriving a temporal merge candidate from a co-located block of the current block, and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the derived temporal merge candidate, wherein a reference picture for the temporal merge candidate is selected based on a reference picture list of a current picture including the current block and a reference picture list of a co-located picture including the co-located block.

Method and apparatus for encoding/decoding a video using a motion compensation

Method and apparatus for encoding/decoding based on motion vector precision adjustment

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

The present invention relates to a method for encoding and decoding a quantized matrix and an apparatus using same, the method for encoding a quantized matrix according to the present invention comprising the steps of: determining a quantization matrix to be used for quantization and quantizing; determining the prediction method used for the quantization of the quantization matrix; and encoding quantization matrix information on the basis of the determined prediction method, wherein the prediction method can be either a prediction method between coefficients in the quantization matrix or a duplicate of the quantization matrix.

Method for encoding and decoding quantized matrix and apparatus using same

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Daejeon, South Korea

Jin Soo Choi