Electronics and Telecommunications Research Institute

Lx Semicon Co., Ltd.

Intellectual Discovery Co., Ltd.

University-industry Cooperation Group of Kyung Hee University

Hanbat National University Industry-academic Cooperation Foundation

Industry-university Cooperation Foundation Korea Aerospace University

Sejong University

Sungkyunkwan University

Kwangwoon University Industry-academic Collaboration Foundation

Industry-university Cooperation Foundation of Korea Aerospace University

Research and Telecommunications Research Insitute

Research & Business Foundation Sungyunwan University

Hyun Suk Ko

Dong San Jun

Sung Chang Lim

Hui Yong Kim

Jung Won Kang

Jin Ho Lee

Ha Hyun Lee

Jin Soo Choi

Seung Hyun Cho

Gwang Hoon Park

Tae Hyun Kim

Dae Young Lee

Young Su Heo

Jae Gon Kim

Hae Chul Choi

Nam Uk Kim

Yung Lyul Lee

Jun Woo Choi

Byeung Woo Jeon

Do Hyeon Park

Aram Back

Seung Su Jeon

Jin Ho Mes Lee

Dong Gyu Sim

Yong Jo Ahn

Sea Nae Park

Dong Kyu Lee

Seoung Jun Oh

Hae Chui Choi

Seoung Hwi Kim

The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise configuring an MPM list based on intra-prediction modes of neighbor blocks of a current block and a number of frequencies of the intra-prediction modes of the neighbor blocks, deriving an intra-prediction mode of the current block based on the MPM list, and performing intra-prediction for the current block based on the intra-prediction mode.

Image encoding/decoding method and device, and recording medium storing bit stream

An image encoding/decoding method and apparatus for performing template matching-based intra prediction are provided. An image decoding method may comprise deriving a first intra-prediction mode for a current block, generating a first intra-prediction block corresponding to the first intra-prediction mode, deriving a second intra-prediction mode for the current block, generating a second intra-prediction block corresponding to the second intra-prediction mode, and generating a final intra-prediction block by using a weighted sum of the first intra-prediction block and the second intra-prediction block.

Image encoding/decoding method and device, and recording medium storing bitstream

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

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

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

A method of decoding an image, the method includes deriving an intra prediction mode for a current block, decoding at least one original sample that is present in a rightmost column and a bottommost row (a bottom row) of the current block, constructing a reference sample by using the at least one decoded original sample and performing intra prediction on the current block by using the constructed reference sample.

Image encoding/decoding method and apparatus, and recording medium for storing bitstream that involves performing intra prediction using constructed reference sample

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

An image encoding/decoding method may comprise deriving at least one merge candidate of a current block, generating an initial merge candidate list of the current block by using the derived at least one merge candidate and generating a reconfigured merge candidate list by using the initial merge candidate list.

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

Method and apparatus for encoding/decoding a video using a motion compensation based on motion vector resolution information

An image encoding/decoding method and apparatus for performing intra prediction mode based intra prediction are provided. An image decoding method may comprise decoding an intra prediction mode of a current block, deriving at least one intra prediction mode from the decoded intra prediction mode of the current block, generating two or more intra prediction blocks using the intra prediction mode of the current block and the derived intra prediction mode, and generating an intra prediction block of the current block based on the two or more intra prediction blocks.

Method and apparatus for image encoding/decoding, transmitting for bitstream based on chroma intra prediction

Growing community of inventors

Daejeon, South Korea

Hyun Suk Ko