Electronics and Telecommunications Research Institute

University-industry Cooperation Group of Kyung Hee University

Lx Semicon Co., Ltd.

Sejong University

Intellectual Discovery Co., Ltd.

Industry-university Cooperation Foundation Korea Aerospace University

Chips & Media, Inc.

Korea Advanced Institute of Science and Technology

Kwangwoon University Industry-academic Collaboration Foundation

Hanbat National University Industry-academic Cooperation Foundation

Sungkyunkwan University

Dolby Laboratories Licensing Corporation

Lg Chem, Ltd

Lg Chemical Ltd.

Silicon Works Co., Ltd.

Jin Ho Lee

Sung Chang Lim

Hui Yong Kim

Jin Soo Choi

Ha Hyun Lee

Jung Won Kang

Jin Woong Kim

Dong San Jun

Hyun Suk Ko

Gwang Hoon Park

Se Yoon Jeong

Jong Ho Kim

Kyung Yong Kim

Seung Hyun Cho

Suk Hee Cho

Chie Teuk Ahn

Hae Chul Choi

Sang Min Kim

Yung Lyul Lee

Dae Yeon Kim

Tae Hyun Kim

Jae Gon Kim

Dae Young Lee

Do Hyeon Park

Mun Churl Kim

Jin Woo Hong

Sea Nae Park

Seoung Jun Oh

Dong Gyu Sim

Nam Uk Kim

Sang Yong Lee

Bum Shik Lee

Myung Jun Kim

Yong Uk Yoon

Byeung Woo Jeon

Young Su Heo

Yang Woo Kim

Jee Yoon Park

Chan Woong Jeon

Ji Yeon Jung

Dae Hyeok Gwon

Dong Jin Park

Gun Bang

Sung-Chang Lim

Jun Woo Choi

Jong Hyun Kim

Tae Young Jeon

Yu Sung Jung

Eun Seon Park

Ji Hoon Do

Young Min Kim

Yoon Ho Song

Jong Sung Koh

Joo Byung Chai

Sun Hwa Lee

Wook Je Jeong

In Ae Ahn

You Seung Shin

Seong Gu Ro

Hyun Sung Kim

Tae Hwan Kwak

Yil Suk Yang

Hyun Kyu Jeon

Min Yong Jeon

Sang Gi Kim

Jongdae Kim

Heung Lyeol Lee

Seong Wook Yoo

Hyun Gyu Kim

Yong Jo Ahn

Seung Youl Kang

Kyoung Ik Cho

Yong Hae Kim

Jin Woo Jeong

Chi Sun Hwang

Do Hoon Lee

Seong Hyun Kim

Yong Suk Yang

Yong Sung Eom

Kwang-Seong Choi

Jun Young Park

Jin Woo Park

Dong Myung Kim

Dong Kyu Lee

Kwang Yong Kang

Kwang-ho Lee

Dae Jun Kim

Won Jun Lee

Young Kwan Kim

Yong Hee Kim

Hyun-cheol Bae

Seung Won Jung

Seul Gi Lee

Chang Yong Hong

Woo Woen Gwun

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

Disclosed herein is an image encoding/decoding method and apparatus. The image decoding method includes deriving an intra prediction value by performing intra prediction with respect to a current block, deriving an inter prediction value by performing inter prediction with respect to the current block, deriving a combined inter intra prediction (CIIP) value by weighting the intra prediction value and the inter prediction value, and generating a reconstructed block of the current block using the CIIP value. The intra prediction is performed in a Planar mode.

Disclosed herein is an image encoding/decoding method and apparatus. An image decoding method includes decoding a subblock merge mode indicator of a current block, decoding a regular merge mode indicator of the current block, if the subblock merge mode indicator does not indicate a subblock merge mode, and decoding subblock merge mode information of the current block, if the subblock merge mode indicator indicates a subblock merge mode.

Inter prediction information encoding/decoding method and device

An image encoding/decoding method and apparatus are disclosed. The image decoding method includes acquiring prediction mode information of a current block from a bitstream, decoding an intra block copy prediction mode of the current block using the prediction mode information of the current block, and reconstructing the current block based on the intra block copy prediction mode. The intra block copy prediction mode is at least one of a block copy based SKIP mode, a block copy based MERGE mode or a block copy based AMVP mode.

Intra block copy-based encoding/decoding method, device, and bitstream storage medium

There is provided an image encoding/decoding method and apparatus. The image encoding method of the present invention includes: generating at least one candidate block including warped reference picture (WRP) Flag information in an advanced motion vector prediction (AMVP) mode; constructing a candidate list including the at least one candidate block; and generating a prediction block of a current block based on the candidate list.

Method and apparatus for encoding/decoding image using geometrically modified reference picture

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 is about an image encoding/decoding method and apparatus. According to present invention, a method of decoding an image, the method comprising, loading information of a neighboring block of a current block; decoding a current block using the loaded information of the neighboring block; and saving information of the current block that is decoded.

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

There is provided an video encoding/decoding method and apparatus. The video decoding method comprises acquiring a bitstream including a predetermined context element, performing at least one of a context model determination, a probability update, and a probability interval determination on the predetermined syntax element, and arithmetically decoding the predetermined syntax element on the basis of a result of the performance.

Context adaptive binary arithmetic coding method and device

Disclosed herein is a video decoding method. The video decoding method includes: obtaining a chroma residual joint flag of a current block indicating whether or not a chroma residual joint mode is applied to the current block; obtaining, from a bitstream, a transform skip mode flag for a luma component of the current block and a transform skip mode flag for a first chroma component; when the chroma residual joint flag indicates that a chroma residual joint mode is applied to the current block, determining whether or not a transform skip mode is applied to a second chroma component of the current block, according to the transform skip mode flag for the first chroma component; and, when the chroma residual joint flag indicates that a chroma residual joint mode is not applied to the current block, obtaining, from the bitstream, a transform skip mode flag for the second chroma component of the current block.

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

An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may comprise determining a prediction mode of a current block and performing prediction with respect to the current block on the basis of the determined prediction mode.

Method and apparatus for encoding/decoding image, and recording medium for storing bitstream

Disclosed herein is a method of encoding/decoding an image. The image decoding method includes decoding information on a quantization matrix from a bitstream, acquiring a quantization matrix of a current block based on the information on the quantization matrix, and dequantizing the current block using the quantization matrix of the current block. The acquiring of the quantization matrix of the current block includes deriving a single identifier using at least one of a size of the current block, a prediction mode or a color component, and acquiring the quantization matrix of the current block based on the single identifier.

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

There is provided an image encoding/decoding method and apparatus. The image encoding method of the present invention includes: determining whether or not to apply filtering to a filtering target sample; determining a filter type on the basis of the determination; and applying filtering to the filtering target sample by using the determined filter type.

Image encoding/decoding method and apparatus using sample filtering

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

Disclosed are a method for determining a color difference component quantization parameter and a device using the method. Method for decoding an image can comprise the steps of: decoding a color difference component quantization parameter offset on the basis of size information of a transform unit; and calculating a color difference component quantization parameter index on the basis of the decoded color difference component quantization parameter offset. Therefore, the present invention enables effective quantization by applying different color difference component quantization parameters according to the size of the transform unit when executing the quantization.

Method for determining color difference component quantization parameter and device using the method

Growing community of inventors

Daejeon, South Korea

Jin Ho Lee