Electronics and Telecommunications Research Institute

Lx Semicon Co., Ltd.

Sejong University

Industry-university Cooperation Foundation Korea Aerospace University

Chips & Media, Inc.

University-industry Cooperation Group of Kyung Hee University

Intellectual Discovery Co., Ltd.

Hanbat National University Industry-academic Cooperation Foundation

Sungkyunkwan University

Kwangwoon University Industry-academic Collaboration Foundation

Ideahub Inc.

Lg Electronics Inc.

Lg Chem, Ltd

Korea Advanced Institute of Science and Technology

Research & Industrial Cooperation Group

Jung Won Kang

Ha Hyun Lee

Jin Ho Lee

Sung Chang Lim

Hui Yong Kim

Jin Soo Choi

Dong San Jun

Hyun Suk Ko

Seung Hyun Cho

Jin Woong Kim

Jae Gon Kim

Yung Lyul Lee

Dae Yeon Kim

Gwang Hoon Park

Tae Hyun Kim

Dae Young Lee

Won Geun Ryu

Jin Young Lee

Seong Jun Bae

Soon Heung Jung

Truong Cong Thang

Sang Taick Park

Do Hyeon Park

Nam Uk Kim

Hae Chul Choi

Byeung Woo Jeon

Myung Jun Kim

Jong Ki Han

Yong Uk Yoon

Jae Yung Lee

Young Su Heo

Yang Woo Kim

Dong Gyu Sim

Jee Yoon Park

Jung Hak Nam

Gun Bang

Hyo Min Choi

Dae Hyeok Gwon

Ji Yeon Jung

Dong Jin Park

Soo Woong Kim

Jun Woo Choi

Ji Hoon Do

Aram Back

Jin Woo Hong

Tae Meon Bae

Yong Man Ro

Wook Je Jeong

Cong Thang Truong

Seung Su Jeon

Ji Youn Jung

Min Jin Ko

Bum Gyu Choi

Dae Ho Kang

Myung Sun Moon

Min Yong Jeon

Jae Ho Cheong

Jeong Man Son

Hyun Gyu Kim

Oe Dong Kim

Hae Chui Choi

Jin Ho Mes Lee

Jae Ryun Choi

Gwi Gwon Kang

Byung Ro Kim

Jae Hoon Kim

Yong Jo Ahn

Sea Nae Park

Jeong Pil Choi

Dong Kyu Lee

Seoung Jun Oh

Jeong Ju Yoo

Won Jun Lee

Jeongseok Ha

Myung Ho Park

Jun Yeong Yoo

Woo Gon Jeon

Woo Woen Gwun

Eun Ho Yoo

Yeun Ho Yoo

Il Hong Shin

Sung Soo Hwang

Jun Weon Song

Seoung Hwi Kim

Se Hui Kang

Donghyub Kang

Ji Won Moon

Mu Hyun Back

Kais Azzouzi

Jin Kyu Lee

Hyun Min Han

Ju Ock Lee

Hee Ji Han

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

The present specification discloses a method of decoding an image. The method includes obtaining a motion vector of a collocated block included in a reference picture of a current block in a temporal motion buffer; changing a format of the obtained motion vector; and deriving the motion vector, in which the format is changed, into a temporal motion vector of the current block.

Growing community of inventors

Daejeon, South Korea

Jung Won Kang