Electronics and Telecommunications Research Institute

Lx Semicon Co., Ltd.

University-industry Cooperation Group of Kyung Hee University

Sejong University

Chips & Media, Inc.

Intellectual Discovery Co., Ltd.

Kwangwoon University Industry-academic Collaboration Foundation

Industry-university Cooperation Foundation Korea Aerospace University

Korea Advanced Institute of Science and Technology

Hanbat National University Industry-academic Cooperation Foundation

Sungkyunkwan University

Dolby Laboratories Licensing Corporation

Ideahub Inc.

Industry-university Cooperation Foundation of Korea Aerospace University

Research & Business Foundation Sungyunwan University

Ha Hyun Lee

Sung Chang Lim

Jin Ho Lee

Hui Yong Kim

Jung Won Kang

Jin Soo Choi

Jong Ho Kim

Se Yoon Jeong

Dong San Jun

Jin Woong Kim

Hyun Suk Ko

Suk Hee Cho

Chie Teuk Ahn

Seung Hyun Cho

Gwang Hoon Park

Yung Lyul Lee

Dae Yeon Kim

Hae Chul Choi

Dong Gyu Sim

Seoung Jun Oh

Mun Churl Kim

Nam Uk Kim

Do Hyeon Park

Sea Nae Park

Jae Gon Kim

Jin Woo Hong

Tae Hyun Kim

Dae Young Lee

Kyung Yong Kim

Byeung Woo Jeon

Bum Shik Lee

Myung Jun Kim

Jong Ki Han

Jae Yung Lee

Yang Woo Kim

Chan Woong Jeon

Jung Hak Nam

Hyo Min Choi

Yong Uk Yoon

Jee Yoon Park

Han Soo Lee

Tae Ryong Kim

Dong Jin Park

Ji Yeon Jung

Gun Bang

Sung-Chang Lim

Wook Je Jeong

Soo Woong Kim

Neung Joo Hwang

Jun Woo Choi

Dae Hyeok Gwon

Aram Back

Ji Hoon Do

Ji Youn Jung

Hae Chui Choi

Seung Su Jeon

Min Yong Jeon

Hyun Gyu Kim

Jin Ho Mes Lee

Myoung Hun Jang

Dong-Gyu Sim

Seung Won Jung

Sung Jea Ko

Jae Ryun Choi

Yeo Jin Yoon

Sung Soo Hwang

Hyun Min Han

Jin Kyu Lee

Dong Hyu Sim

Mu Hyun Back

Ji Won Moon

Se Hui Kang

Ju Ock Lee

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, deriving a prediction mode of the current block using the prediction mode information of the current block, acquiring information indicating whether a residual signal of a transform block for the current block is present based on at least one of information on partitioning of the current block or the prediction mode of the current block, and reconstructing the current block based on the information indicating whether the residual signal of the transform block is present.

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

An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. An image decoding method may comprise configuring a plurality of reference sample lines, reconstructing an intra prediction mode of a current block, and performing intra prediction for the current block based on the intra prediction mode and the plurality of reference sample lines.

Method and device for encoding/decoding image, and recording medium in which bitstream is stored

There is provided an image encoding/decoding method and apparatus. The image decoding method comprises decoding information on whether or not to perform motion information refinement from a bitstream, obtaining second motion information for first motion information on a current block on the basis of the information and reconstructing at least one of the current block and a neighboring block of the current block by using at least one of the first motion information and the second motion information.

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

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

Image encoding/decoding method and apparatus for throughput enhancement using motion vector refinement

An image encoding/decoding method is provided. An image decoding method of the present invention may comprise constructing a motion information list for a current block, reconstructing a first index for a first triangular block within the current block and a second index for a second triangular block within the current block, and predicting the first triangular block and the second triangular block, based on the first index, the second index, and the motion information list.

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

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

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.

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

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.

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

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Seoul, South Korea

Ha Hyun Lee