公开(公告)号：US20220086428A1

公开(公告)日：2022-03-17

申请号：US17420084

申请日：2019-12-27

Applicant: Electronics and Telecommunications Research Institute ,  INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY

Inventor： Sung Chang LIM ,  Jung Won KANG ,  Ha Hyun LEE ,  Jin Ho LEE ,  Hui Yong KIM ,  Yung Lyul LEE ,  Myung Jun KIM ,  Nam Uk KIM ,  Yang Woo KIM ,  Ji Yeon JUNG ,  Jae Gon KIM

IPC: H04N19/105 ,  H04N19/132 ,  H04N19/159 ,  H04N19/186 ,  H04N19/176

Abstract: An image encoding/decoding method is provided. An image decoding method of the present invention may comprise restoring an intra-prediction mode of a current chroma block, deriving at least one representative value based on a neighboring sample of the current chroma block and a neighboring sample of a corresponding luma block corresponding to the current chroma block in case the intra-prediction mode is a CCLM (Cross-Component Linear Model) mode, deriving a parameter of CCLM by using the at least one representative value, and generating a prediction block of the current chroma block by using the parameter of CCLM.

公开(公告)号：US20210274223A1

公开(公告)日：2021-09-02

申请号：US17256165

申请日：2019-06-28

Applicant: Electronics and Telecommunications Research Institute ,  CHIPS&MEDIA, INC ,  INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY

Inventor： Sung Chang LIM ,  Jung Won KANG ,  Ha Hyun LEE ,  Jin Ho LEE ,  Hui Yong KIM ,  Dae Yeon KIM ,  Wook Je JEONG ,  Dong Jin PARK ,  Min Yong JEON ,  Yung Lyul LEE ,  Nam Uk KIM ,  Myung Jun KIM ,  Ji Youn JUNG ,  Jae Gon KIM

IPC: H04N19/82 ,  H04N19/176 ,  H04N19/107

Abstract: In the present specification, an image decoding method is disclosed. The image decoding method includes: determining whether or not to perform filtering on a boundary of a current block; determining a filtering strength on the boundary of the current block, and a number of samples used in filtering; and performing filtering on the boundary of the current block on the basis of the filtering strength and the number of samples used in filtering, wherein the number of samples used in filtering is determined on the basis of a size of the current block.

公开(公告)号：US20200344490A1

公开(公告)日：2020-10-29

申请号：US16927003

申请日：2020-07-13

Applicant: Electronics and Telecommunications Research Institute ,  Industry-University Cooperation Foundation Korea Aerospace University

Inventor： Sung Chang LIM ,  Hui Yong KIM ,  Jin Ho LEE ,  Jin Soo CHOI ,  Jin Woong KIM ,  Jae Gon KIM ,  Sang Yong LEE ,  Un Ki PARK

IPC: H04N19/56 ,  H04N19/70 ,  H04N19/52 ,  H04N19/13 ,  H04N19/593 ,  H04N19/513

Abstract: Disclosed are a method for inducing a prediction motion vector and an apparatus using the same. An image decoding method can include: a step of determining the information related to a plurality of spatial candidate prediction motion vectors from peripheral predicted blocks of a predicted target block; and a step of determining the information related to temporal candidate prediction motion vectors on the basis of the information related to the plurality of spatial candidate prediction motion vectors. Accordingly, the present invention can reduce complexity and can enhance coding efficiency when inducing the optimum prediction motion vector.

公开(公告)号：US20190166365A1

公开(公告)日：2019-05-30

申请号：US16263314

申请日：2019-01-31

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung Chang LIM ,  Hui Yong KIM ,  Jin Ho LEE ,  Jin Soo CHOI ,  Jin Woong KIM ,  Jae Gon KIM ,  Sang Yong LEE

IPC: H04N19/119 ,  H04N19/91 ,  H04N19/157 ,  H04N19/132 ,  H04N19/593 ,  H04N19/105 ,  H04N19/196 ,  H04N19/70 ,  H04N19/176

CPC classification number: H04N19/119 ,  H04N19/105 ,  H04N19/132 ,  H04N19/147 ,  H04N19/157 ,  H04N19/176 ,  H04N19/196 ,  H04N19/593 ,  H04N19/70 ,  H04N19/91

Abstract: The present invention relates to video encoding/decoding methods and device, wherein the video encoding method according to the invention comprises the following steps: acquiring information of peripheral blocks; setting the information about a current block based on the information of the peripheral blocks; and encoding the current block based on the set information, wherein the current block and the peripheral blocks may be a CU (coding unit).

公开(公告)号：US20160360229A1

公开(公告)日：2016-12-08

申请号：US15244527

申请日：2016-08-23

Applicant: Electronics and Telecommunications Research Institute ,  Industry-University Cooperation Foundation Korea Aerospace University

Inventor： Sung Chang LIM ,  Hui Yong KIM ,  Jin Ho LEE ,  Jin Soo CHOI ,  Jin Woong KIM ,  Jae Gon KIM ,  Sang Yong LEE ,  Un Ki PARK

IPC: H04N19/52 ,  H04N19/593 ,  H04N19/176 ,  H04N19/13 ,  H04N19/56 ,  H04N19/139

CPC classification number: H04N19/56 ,  H04N19/105 ,  H04N19/13 ,  H04N19/139 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/70

Abstract: Disclosed are a method for inducing a prediction motion vector and an apparatus using the same. An image decoding method can include: a step of determining the information related to a plurality of spatial candidate prediction motion vectors from peripheral predicted blocks of a predicted target block; and a step of determining the information related to temporal candidate prediction motion vectors on the basis of the information related to the plurality of spatial candidate prediction motion vectors. Accordingly, the present invention can reduce complexity and can enhance coding efficiency when inducing the optimum prediction motion vector.

Abstract translation: 公开了一种用于诱导预测运动矢量的方法及其使用方法。 图像解码方法可以包括：从预测的目标块的周边预测块确定与多个空间候选预测运动矢量相关的信息的步骤; 以及基于与多个空间候选预测运动矢量相关的信息来确定与时间候选预测运动矢量有关的信息的步骤。 因此，本发明可以降低复杂度并且可以在诱导最佳预测运动矢量时提高编码效率。

公开(公告)号：US20140122738A1

公开(公告)日：2014-05-01

申请号：US14146434

申请日：2014-01-02

Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY ,  Electronics and Telecommunications Research Institute

Inventor： Truong Cong THANG ,  Jin Young LEE ,  Seong Jun BAE ,  Jung Won KANG ,  Soon Heung JUNG ,  Sang Taick PARK ,  Won RYU ,  Jae Gon KIM

IPC: H04L29/06

CPC classification number: H04L65/608 ,  H04L29/06027 ,  H04L65/4084 ,  H04L65/60 ,  H04L65/607 ,  H04N21/2353 ,  H04N21/23805 ,  H04N21/2401 ,  H04N21/44004 ,  H04N21/6125 ,  H04N21/84 ,  H04N21/845 ,  H04N21/8456

Abstract: A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include one or more BaseURL elements. Uniform Resource Locators (URLs) of segments forming media may be generated based on the BaseURL elements. Additionally, a URL of a segment may be generated by mapping a BaseURL element among the BaseURL elements to a sourceURL attribute of the segment. Segments indicated by generated URLs may be identical to each other.

公开(公告)号：US20130294506A1

公开(公告)日：2013-11-07

申请号：US13903254

申请日：2013-05-28

Applicant: Korea Advenced Institute Of Science And Technology (KAIST) ,  Electronics And Telecommunications Research Institute

Inventor： Jung Won KANG ,  Jae Gon KIM ,  Jin Woo HONG ,  Yong Man RO ,  Tae Meon BAE ,  Cong Thang TRUONG

IPC: H04N7/26

CPC classification number: H04N19/00424 ,  H04N19/132 ,  H04N19/162 ,  H04N19/17 ,  H04N19/187 ,  H04N19/33 ,  H04N19/70 ,  H04N21/235 ,  H04N21/2362 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/435 ,  H04N21/4621 ,  H04N21/4728

Abstract: A multiple ROI (region of interest) setting method and apparatus in scalable video coding and an ROI reconstructing method and apparatus are provided. The multiple ROI setting apparatus includes: an ROI setting unit which sets at least one or more ROIs and allocates ROI identification numbers to the each of ROIs; a mapping unit which allocates at least one or more slice group identification numbers to the at least one or more ROI identification numbers; and a message generating unit which generates a message including ROI-associated information, slice-group-associated information, mapping information on mapping of the ROI identification number to the at least one or more slice group identification numbers, and scalability information.

Abstract translation: 提供可伸缩视频编码中的多个ROI（感兴趣区域）设置方法和装置以及ROI重建方法和装置。 多个ROI设置装置包括：ROI设置单元，其设置至少一个或多个ROI，并且将ROI识别号分配给每个ROI; 映射单元，其向所述至少一个或多个ROI识别号码分配至少一个或多个片组标识号; 以及消息生成单元，其生成包括ROI相关信息，片组相关信息，关于所述ROI识别号与所述至少一个或多个片组标识号的映射的映射信息以及可扩展性信息的消息。

公开(公告)号：US20240357109A1

公开(公告)日：2024-10-24

申请号：US18762081

申请日：2024-07-02

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

Inventor： Jin Ho LEE ,  Jung Won KANG ,  Hyun Suk KO ,  Sung Chang LIM ,  Ha Hyun LEE ,  Dong San JUN ,  Seung Hyun CHO ,  Hui Yong KIM ,  Hae Chul CHOI ,  Aram BACK ,  Jin Soo CHOI ,  Jae Gon KIM

IPC: H04N19/119 ,  H04N19/105 ,  H04N19/176 ,  H04N19/186 ,  H04N19/46

CPC classification number: H04N19/119 ,  H04N19/105 ,  H04N19/176 ,  H04N19/186 ,  H04N19/46

Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus of the present invention may comprise decoding an indicator indicating whether or not partition information of a current block is derived from partition information of a corresponding block of the current block, obtaining the partition information of the current block based on the decoded indicator, and partitioning the current block based on the obtained partition information.

公开(公告)号：US20240013447A1

公开(公告)日：2024-01-11

申请号：US18350654

申请日：2023-07-11

Applicant: Electronics and Telecommunications Research Institute ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY

Inventor： Joo Young LEE ,  Se Yoon JEONG ,  Youn Hee KIM ,  Jin Soo CHOI ,  Dong Ha KIM ,  Yong Uk YOON ,  Jae Gon KIM

IPC: G06T9/00 ,  G06T3/40

CPC classification number: G06T9/002 ,  G06T3/4046

Abstract: The present disclosure provides a method and a device for encoding/decoding a multi-scale feature group. A multi-scale feature group encoding method according to the present disclosure includes transforming a multi-scale feature group into a multi-channel feature; adjusting the number of channels of the multi-channel feature; acquiring a plane image based on a feature that the number of channels is adjusted; and encoding the plane image.

公开(公告)号：US20220070475A1

公开(公告)日：2022-03-03

申请号：US17415505

申请日：2019-12-18

Applicant: Electronics and Telecommunications Research Institute ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY

Inventor： Jin Ho LEE ,  Jung Won KANG ,  Ha Hyun LEE ,  Sung Chang LIM ,  Hui Yong KIM ,  Jae Gon KIM ,  Do Hyeon PARK ,  Yung Lyul LEE

IPC: H04N19/176 ,  H04N19/51 ,  H04N19/119 ,  H04N19/105

Abstract: 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.