Electronics and Telecommunications Research Institute

University-industry Cooperation Group of Kyung Hee University

Lx Semicon Co., Ltd.

Industry-university Cooperation Foundation Korea Aerospace University

Sejong University

Intellectual Discovery Co., Ltd.

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

Kookmin University

Other

Seoul National University

Hui Yong Kim

Sung Chang Lim

Jin Ho Lee

Jin Soo Choi

Ha Hyun Lee

Jung Won Kang

Jin Woong Kim

Gwang Hoon Park

Se Yoon Jeong

Dong San Jun

Hyun Suk Ko

Jong Ho Kim

Kyung Yong Kim

Suk Hee Cho

Chie Teuk Ahn

Seung Hyun Cho

Sang Min Kim

Hae Chul Choi

Jae Gon Kim

Jin Woo Hong

Tae Hyun Kim

Yung Lyul Lee

Dae Yeon Kim

Dae Young Lee

Sang Yong Lee

Seoung Jun Oh

Sung-Chang Lim

Dong Gyu Sim

Sea Nae Park

Mun Churl Kim

Nam Uk Kim

Do Hyeon Park

Gun Bang

Hae-Chul Choi

Jinho Lee

Jongho Kim

Sukhee Cho

Hahyun Lee

Bum Shik Lee

Myung Jun Kim

Young Su Heo

Yong Uk Yoon

Yang Woo Kim

Byeung Woo Jeon

Chan Woong Jeon

Un Ki Park

Tae Jin Lee

Tae Ryong Kim

Han Soo Lee

Dae Hyeok Gwon

Ji Yeon Jung

Dong Jin Park

Won Jun Lee

Woo Woen Gwun

Neung Joo Hwang

Jun Woo Choi

Jee Yoon Park

Aram Back

Seung Kwon Beack

Young Ho Jeong

Woong Lim

Woo-taek Lim

Wook Je Jeong

Ji Hoon Do

Sung-Hoon Kim

Jong Seok Lee

Jongmo Sung

Dong-Gyu Sim

Mi Suk Lee

Min Yong Jeon

Dong Wook Kang

Jooyoung Lee

Jun Taek Park

Kyeong Hoon Jung

Hyun Gyu Kim

Sang Won Suh

Yong Jo Ahn

Kyeongok Kang

Dong Ho Kim

Chieteuk Ahn

Kyeong Ok Kang

Jeong Il Seo

Jeongil Seo

Seoung-Jun Oh

Sung Hoon Kim

Soon Heung Jung

Inseon Jang

Dong Kyu Lee

Jae-hyoun Yoo

Sea-Nae Park

Joo Young Lee

Seung Won Jung

In Seon Jang

Suk Jin Hong

Sung Jea Ko

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. 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

Disclosed herein are a video encoding/decoding method and apparatus. The video decoding method according to the present invention includes: obtaining information on whether filtering is performed on a virtual boundary for a current picture from a bitstream; decoding information on the number of virtual boundaries based on the information on whether filtering is performed on a virtual boundary; decoding information on a position of a virtual boundary based on the information on the number of virtual boundaries; and reconstructing the current picture based on the information on the position of the virtual boundary.

Virtual boundary signaling method and apparatus for video encoding/decoding

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

Disclosed herein are an image encoding/decoding method and apparatus, and a recording medium storing a bitstream. The image decoding method according to the present invention includes: deriving slice mode information for at least one slice comprised in a current picture; deriving information on the number of slices based on the slice mode information; deriving tile information of a current slice based on the information on the number of slices; and, decoding the current slice based on the tile information. Herein, the tile information includes tile index presence information and tile index difference value information, and the tile index difference value information is not signaled for a last slice included in the current picture.

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

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

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

Hui Yong Kim