Electronics and Telecommunications Research Institute

Lx Semicon Co., Ltd.

Industry-University Cooperation Foundation Korea Aerospace University

Sejong 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

Samsung Electronics Co., Ltd.

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

Dae Yeon Kim

Yung Lyul Lee

Gwang Hoon Park

Tae Hyun Kim

Dae Young Lee

Seong Jun Bae

Won Geun Ryu

Jin Young Lee

Soon Heung Jung

Do Hyeon Park

Truong Cong Thang

Sang Taick Park

Nam Uk Kim

Hae Chul Choi

Byeung Woo Jeon

Myung Jun Kim

Yong Uk Yoon

Young Su Heo

Jong Ki Han

Jae Yung Lee

Yang Woo Kim

Dong Gyu Sim

Jung Hak Nam

Dong Jin Park

Gun Bang

Jee Yoon Park

Hyo Min Choi

Dae Hyeok Gwon

Ji Yeon Jung

Ji Hoon Do

Soo Woong Kim

Wook Je Jeong

Jun Woo Choi

Aram Back

Jin Woo Hong

Tae Meon Bae

Yong Man Ro

Cong Thang Truong

Seung Su Jeon

Jae Ryun Choi

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

Gwi Gwon Kang

Myoung Hun Jang

Byung Ro Kim

Jae Hoon Kim

Jae Hyun Kim

Yong Jo Ahn

Sea Nae Park

Jeong Pil Choi

Dong Kyu Lee

Seoung Jun Oh

Jeong Ju Yoo

Won Jun Lee

Jeongseok Ha

Yi Sak Park

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

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

The present invention relates to an image encoding/decoding method and apparatus. An image decoding method performing intra prediction according to the present invention may comprise dividing a current block into at least one sub-block; deriving an intra prediction mode for the at least one sub-block; constructing a reference sample for the intra prediction; and performing intra prediction for the at least one sub-block based on the derived intra prediction mode.

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

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

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 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

Disclosed herein is an image encoding/decoding method and apparatus based on transform. An image decoding method includes determining a horizontal transform type and a vertical transform type of a current block, deriving a residual block of the current block by performing inverse transform with respect to the current block based on the determined horizontal transform type and vertical transform type, and reconstructing the current block based on the residual block. The determining of the horizontal transform type and the vertical transform type is performed based on at least one of a width or a height of the current block regardless of an intra prediction mode of the current block, when the current block is in an intra sub-block partitions (ISP) mode.

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

According to an embodiment of the present invention, there is provided an image decoding method including: obtaining an arithmetic-coded symbol stream from an image stream; identifying a symbol segment from the symbol stream according to symbol segment information signaled from an encoding apparatus; selecting an arithmetic decoding process corresponding to the symbol segment; and collectively processing one or more symbols among multiple symbols included in the symbol segment, in association with the selected arithmetic decoding process.

Method for processing image providing improved arithmetic encoding, method for decoding and encoding image using same, and apparatus for same

Disclosed herein is a method of decoding an image. The method includes generating an inter prediction block by performing inter prediction with respect to a current block, generating an intra prediction block by performing intra prediction with respect to the current block, determining a first weight and a second weight, and generating a final prediction block by respectively applying the first weight and the second weight to the inter prediction block and the intra prediction block. The generating of the intra prediction block includes generating the intra prediction block using a predefined intra prediction mode.

There is provided an image encoding/decoding method and apparatus. An image decoding method according to the present invention may comprise reconstructing a most frequent mode (MFM) indicator indicating whether or not an intra prediction mode of a current block is a predetermined intra prediction mode, deriving, on the basis of the MFM indicator, the intra prediction mode of the current block, and generating a prediction block of the current block by performing intra prediction on the current block on the basis of the intra prediction mode.

Image encoding/decoding method and device using MFM indicator and MPM indicator, and recording medium in which bitstream is stored

There is provided a method and apparatus of encoding/decoding an intra prediction mode. The method comprises deriving an intra prediction mode with respect to a current block, constructing a reference sample for the current block on the basis of the derived intra prediction mode, and performing the intra prediction with respect to the current block using the derived intra prediction mode and the constructed reference sample, wherein the intra prediction mode is derived on the basis of a most probable mode (MPM).

Intra prediction mode encoding/decoding method and device, and recording medium in which bitstream is stored

An image encoding/decoding method is disclosed. An image decoding method of the present invention may comprises determining step for determining whether or not to derive second motion information when a current block includes first motion information only and for which bi-directional prediction is available, a deriving step for deriving the second motion information based on the first motion information, and a predicting step for generating a prediction block of the current block by performing BIO prediction based on the first motion information and the second motion information.

Method for encoding/decoding image using bi-directional optical flow prediction

The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise constructing N MPM lists for a current block, wherein N is equal to or greater than 1, deriving an intra prediction mode of the current block based on the N MPM lists, and performing intra prediction for the current block based on the intra prediction mode.

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

Disclosed herein is an image encoding/decoding method. A method of decoding an image includes determining an intra prediction mode of a current block, and generating a prediction block of the current block, by performing prediction based on the intra prediction mode. When the intra prediction mode of the current block is a matrix-based intra prediction (MIP) mode, a length of a reference sample used for intra prediction is derived based on a length of the current block.

Method and apparatus for encoding/decoding image in intra prediction and recording medium for storing bitstream

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, and recording medium storing bitstream for intra predicition using reference samples

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Daejeon, South Korea

Jung Won Kang