Electronics and Telecommunications Research Institute

Sejong University

Kwangwoon University Research Institute for Industry Cooperation

Hanbat National University Industry-Academic Cooperation Foundation

Industry-University Cooperation Foundation Korea Aerospace University

Other

Korea Advanced Institute of Science and Technology

University-Industry Cooperation Group of Kyung Hee University

Kwangwoon University Industry-Academic Collaboration Foundation

Hae-Chul Choi

Sung-Chang Lim

Jae-Gon Kim

Jin-Woo Hong

Hui Yong Kim

Jin Soo Choi

Se Yoon Jeong

Jin Woo Hong

Seoung-Jun Oh

Dong-Gyu Sim

Jinho Lee

Jongho Kim

Sukhee Cho

Hahyun Lee

Jin Woong Kim

Yung-Lyul Lee

Jin-Woong Kim

Jeong-Il Seo

Dae-Young Jang

Se-Yoon Jeong

Seung-Kwon Beack

Chang-Beom Ahn

In-Seon Jang

Kyung-Ae Moon

Dong-Kyun Kim

Dae-Yeon Kim

Hui-Yong Kim

Jin-Ho Lee

Ha-Hyun Lee

Hyunsuk Ko

Dong-San Jun

A-Ram Back

Seung-Hyun Cho

Jung-Won Kang

Dae-Hyeok Gwon

Gwang Hoon Park

Mun Churl Kim

Sea-Nae Park

Sung-Jea Ko

Hae-Kwang Kim

Sang-Woon Kwak

Do-Hyeon Park

Joung-Il Yun

Ho-Chong Park

Jie Jia

Neung-Joo Hwang

Su-Yeol Jeon

Hee-Ji Han

Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.

Block form-based prediction method and device

Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In the encoding and decoding of a video, a prediction mode may be selected from among multiple prediction modes using prediction mode information for a target block, and prediction may be performed on the target block based on the selected prediction mode, wherein the prediction mode information includes information related to a reference block, and wherein the reference block comprises one or more of a spatially neighboring block that is spatially adjacent to the target block and a temporally neighboring block that is temporally adjacent to the target block. When the selected prediction mode includes a plurality of prediction modes, a prediction mode to be used for prediction of the target block may be decided on among the plurality of selected prediction modes through signaling of the prediction mode decision information.

Prediction method and device using reference block

The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.

Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor

Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. Encoding and decoding of a target block are performed using intra-prediction. The intra-prediction is intra-prediction that uses bidirectional intra-prediction and a remaining mode. In bidirectional intra-prediction, a prediction value for a target pixel in the target block is determined based on reference pixels in two directions of bidirectional intra-prediction. In intra-prediction using a remaining mode, the remaining mode indicates remaining intra-prediction modes other than MPMs present in an MPM list.

Bidirectional intra prediction method and apparatus

Disclosed herein are an apparatus for encoding and decoding a feature map and a method using the apparatus. The feature map encoding apparatus include a processor for acquiring feature map information corresponding to a feature map, reconstructing the feature map based on the feature map information, and generating an encoded feature map by converting each feature value corresponding to the reconstructed feature map from a real number into an integer, and a memory for storing the feature map information.

Apparatus for encoding and decoding feature map and method using the same

Provided is an image encoding/decoding apparatus and method. The image encoding apparatus may include a motion vector prediction unit to perform a prediction with respect to an arbitrary motion vector of a current block within an image, using at least one of vector information of a motion vector corresponding to an adjacent block and vector information of a previous motion vector of the current block, and a differential determination unit to determine differential information of a motion vector of the current block based on the motion vector predicted in the motion vector prediction unit and an actual motion vector of the current block.

Image encoding/decoding apparatus and method

Growing community of inventors

Daejeon, South Korea

Hae-Chul Choi