Patent search ap:("Electronics AND Telecommunications Research Institute") AND inv:"Hae Chul CHOI" Page 3

21.

发明申请
VIDEO ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM FOR STORING BITSTREAM 有权

公开(公告)号：US20210297658A1

公开(公告)日：2021-09-23

申请号：US17273119

申请日：2019-09-03

Applicant: Electronics and Telecommunications Research Institute , HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION

Inventor： Ha Hyun LEE , Jung Won KANG , Sung Chang LIM , Jin Ho LEE , Hui Yong KIM , Hae Chul CHOI , Aram BACK , Dae Hyeok GWON

IPC: H04N19/105 , H04N19/159 , H04N19/70 , H04N19/117 , H04N19/82 , H04N19/176

Abstract: An image encoding/decoding method is disclosed. Present invention of the method of decoding an image comprises determining a prediction mode for a current block and performing prediction on the current block on the basis of the determined prediction mode.

22.

发明申请
ADAPTIVE IMAGE ENCODING DEVICE AND METHOD 审中-公开

公开(公告)号：US20180234678A1

公开(公告)日：2018-08-16

申请号：US15954432

申请日：2018-04-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung Chang LIM , Jong Ho KIM , Hae Chul CHOI , Hui Yong KIM , Ha Hyun LEE , Jin Ho LEE , Se Yoon JEONG , Suk Hee CHO , Jin Soo CHOI , Jin Woo HONG , Jin Woong KIM

IPC: H04N19/105 , H04N19/593 , H04N19/176 , H04N19/157 , H04N19/11 , H04N19/503 , H04N19/46

Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.

23.

发明申请
METHOD AND DEVICE FOR SIMPLIFYING THE ENCODING AND DECODING OF ULTRA-HIGH DEFINITION IMAGES 审中-公开

公开(公告)号：US20180014026A1

公开(公告)日：2018-01-11

申请号：US15712835

申请日：2017-09-22

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Sung Chang LIM , Hae Chul CHOI , Se Yoon JEONG , Suk Hee CHO , Hui Yong KIM , Jin Ho LEE , Ha Hyun LEE , Jong Ho KIM , Jin Soo CHOI , Jin Woong KIM , Gwang Hoon PARK , Kyung Yong KIM , Dong Gyu SIM , Seoung Jun OH

IPC: H04N19/50 , H04N19/147 , H04N19/176 , H04N19/11 , H04N19/593

CPC classification number: H04N19/169 , H04N19/11 , H04N19/132 , H04N19/147 , H04N19/176 , H04N19/46 , H04N19/593

Abstract: Provided are an encoding device using predictive coding in a screen and a method thereof, and a decoding device and a method thereof. The encoding device is capable of generating a prediction block of a current block according to one of methods for generating a plurality of predetermined prediction blocks, and outputting at least one of encoding information and differential blocks as bitstream by entropy encoding according to whether differential blocks are encoded or not.

24.

发明申请
IMAGE ENCODER AND DECODER USING UNIDIRECTIONAL PREDICTION 审中-公开
Title translation: 图像编码器和解码器使用方法预测

公开(公告)号：US20170026652A1

公开(公告)日：2017-01-26

申请号：US15288909

申请日：2016-10-07

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hae Chul CHOI , Se Yoon JEONG , Sung-Chang LIM , Jin Soo CHOI , Jin Woo HONG , Dong Gyu SIM , Seoung-Jun OH , Chang-Beom AHN , Gwang Hoon PARK , Seung Ryong KOOK , Sea-Nae PARK , Kwang-Su JEONG

IPC: H04N19/159 , H04N19/43 , H04N19/11 , H04N19/117 , H04N19/105 , H04N19/91 , H04N19/61 , H04N19/124

CPC classification number: H04N19/159 , H04N19/105 , H04N19/11 , H04N19/117 , H04N19/124 , H04N19/132 , H04N19/147 , H04N19/172 , H04N19/176 , H04N19/182 , H04N19/43 , H04N19/44 , H04N19/50 , H04N19/51 , H04N19/587 , H04N19/593 , H04N19/61 , H04N19/615 , H04N19/625 , H04N19/70 , H04N19/91

Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

Abstract translation: 本发明涉及图像编码和解码技术，更具体地说，涉及使用单向预测的图像编码器和解码器。图像编码器包括将宏块划分为多个子块的分割单元，单向应用确定单元，用于确定是否将相同的预测模式应用于多个子块中的每一个;以及预测模式确定单元基于所述单向应用确定单元的确定结果来确定关于所述多个子块中的每一个的预测模式。

25.

发明申请
IMAGE ENCODER AND DECODER USING UNIDIRECTIONAL PREDICTION 审中-公开

公开(公告)号：US20170026642A1

公开(公告)日：2017-01-26

申请号：US15288942

申请日：2016-10-07

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hae Chul CHOI , Se Yoon JEONG , Sung-Chang LIM , Jin Soo CHOI , Jin Woo HONG , Dong Gyu SIM , Seoung-Jun OH , Chang-Beom AHN , Gwang Hoon PARK , Seung Ryong KOOK , Sea-Nae PARK , Kwang-Su JEONG

IPC: H04N19/11 , H04N19/105 , H04N19/91 , H04N19/61 , H04N19/51 , H04N19/117 , H04N19/159 , H04N19/124

CPC classification number: H04N19/159 , H04N19/105 , H04N19/11 , H04N19/117 , H04N19/124 , H04N19/132 , H04N19/147 , H04N19/172 , H04N19/176 , H04N19/182 , H04N19/43 , H04N19/44 , H04N19/50 , H04N19/51 , H04N19/587 , H04N19/593 , H04N19/61 , H04N19/615 , H04N19/625 , H04N19/70 , H04N19/91

Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

26.

发明申请
ADAPTIVE VIDEO DECODING AND ENCODING METHOD, AND APPARATUS USING SAME 有权

公开(公告)号：US20250071264A1

公开(公告)日：2025-02-27

申请号：US18944404

申请日：2024-11-12

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung Chang LIM , Jong Ho KIM , Hae Chul CHOI , Hui Yong KIM , Ha Hyun LEE , Jin Ho LEE , Se Yoon JEONG , Suk Hee CHO , Jin Soo CHOI , Jin Woo HONG , Jin Woong KIM

IPC: H04N19/105 , H04N19/11 , H04N19/157 , H04N19/176 , H04N19/46 , H04N19/503 , H04N19/593

Abstract: Provided are an imaging encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameter.

27.

发明申请
IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM USING INTRA BLOCK COPY 有权

公开(公告)号：US20240406413A1

公开(公告)日：2024-12-05

申请号：US18805847

申请日：2024-08-15

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION

Inventor： Ha Hyun LEE , Jung Won KANG , Sung Chang LIM , Jin Ho LEE , Hui Yong KIM , Hae Chul CHOI , Dae Hyeok GWON , Hee Ji HAN

IPC: H04N19/159 , H04N19/105 , H04N19/174 , H04N19/176 , H04N19/513 , H04N19/593

Abstract: An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may include: determining a prediction mode of a current block as IBC (Intra Block Copy) mode, deriving a candidate list for deriving a block vector of the current block and deriving a block vector of the current block by using the candidate list, wherein the candidate list is derived based on a size of the current block.