公开(公告)号：US12069258B2

公开(公告)日：2024-08-20

申请号：US17876620

申请日：2022-07-29

Applicant: Electronics and Telecommunications Research Institute ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION OF 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: H04N19/46 ,  H04N19/105 ,  H04N19/119 ,  H04N19/176 ,  H04N19/186

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：US12041226B2

公开(公告)日：2024-07-16

申请号：US18358871

申请日：2023-07-25

Applicant: Electronics and Telecommunications Research Institute ,  University-Industry Cooperation Group of Kyung Hee University

Inventor： Jung Won Kang ,  Hyun Suk Ko ,  Sung Chang Lim ,  Jin Ho Lee ,  Dong San Jun ,  Hui Yong Kim ,  Gwang Hoon Park ,  Jin Soo Choi ,  Tae Hyun Kim ,  Dae Young Lee ,  Young Su Heo

IPC: H04N19/105 ,  G06T3/02 ,  G06T5/50 ,  G06T5/80 ,  G06T7/246 ,  H04N19/137 ,  H04N19/139 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/51 ,  H04N19/513 ,  H04N19/174

CPC classification number: H04N19/105 ,  G06T5/50 ,  G06T5/80 ,  G06T7/248 ,  H04N19/137 ,  H04N19/139 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/51 ,  H04N19/521 ,  G06T3/02 ,  H04N19/174

Abstract: 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.

公开(公告)号：US12028545B2

公开(公告)日：2024-07-02

申请号：US17538797

申请日：2021-11-30

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Dong San Jun ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/513 ,  H04N19/426 ,  H04N19/44 ,  H04N19/61

CPC classification number: H04N19/513 ,  H04N19/426 ,  H04N19/44 ,  H04N19/61

Abstract: The present invention relates to image processing, and more particularly, to a video coding/decoding method using a clipped motion vector and an apparatus thereof. An embodiment of the present invention relates to a method of decoding an image. The method includes clipping a motion vector of a reference picture in a predetermined dynamic range to generate a clipped motion vector, storing the clipped motion vector in a buffer, deriving a motion vector of a coding treeblock using the motion vector stored in the buffer, and performing inter prediction decoding process using the motion vector of the coding treeblock. According to the exemplary embodiment of the present invention, a size of a memory required for storing motion vectors may be reduced.

公开(公告)号：US12010312B2

公开(公告)日：2024-06-11

申请号：US18160976

申请日：2023-01-27

Applicant: Electronics and Telecommunications Research Institute ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hui Yong Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim

IPC: H04N19/129 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/44 ,  H04N19/593 ,  H04N19/61 ,  H04N19/625 ,  H04N19/70

CPC classification number: H04N19/129 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/44 ,  H04N19/593 ,  H04N19/61 ,  H04N19/625 ,  H04N19/70

Abstract: A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.

公开(公告)号：US11949890B2

公开(公告)日：2024-04-02

申请号：US17951797

申请日：2022-09-23

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jung Won Kang ,  Ha Hyun Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/187 ,  H04N19/124 ,  H04N19/13 ,  H04N19/169 ,  H04N19/182 ,  H04N19/30 ,  H04N19/31 ,  H04N19/33 ,  H04N19/46 ,  H04N19/503 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70 ,  H04N19/80 ,  H04N19/91

CPC classification number: H04N19/187 ,  H04N19/124 ,  H04N19/13 ,  H04N19/182 ,  H04N19/188 ,  H04N19/30 ,  H04N19/31 ,  H04N19/46 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70 ,  H04N19/80 ,  H04N19/91 ,  H04N19/33 ,  H04N19/503

Abstract: The present invention relates to a decoding method for a bit stream that supports a plurality of layers. The decoding method may include receiving information on a set of video parameters that includes information on the plurality of layers, and parsing the set of video parameters to grasp information on the layers in the bit stream.

公开(公告)号：US11837220B2

公开(公告)日：2023-12-05

申请号：US17308800

申请日：2021-05-05

Applicant: Electronics and Telecommunications Research Institute ,  The Trustees of Indiana University

Inventor： Minje Kim ,  Mi Suk Lee ,  Seung Kwon Beack ,  Jongmo Sung ,  Tae Jin Lee ,  Jin Soo Choi ,  Kai Zhen

IPC: G10L15/16 ,  G06F17/15 ,  G06N3/045

CPC classification number: G10L15/16 ,  G06F17/15 ,  G06N3/045

Abstract: Disclosed is a speech processing apparatus and method using a densely connected hybrid neural network. The speech processing method includes inputting a time domain sample of N*1 dimension for an input speech into a densely connected hybrid network; passing the time domain sample through a plurality of dense blocks in a densely connected hybrid network; reshaping the time domain samples into M subframes by passing the time domain samples through the plurality of dense blocks; inputting the M subframes into gated recurrent unit (GRU) components of N/M-dimension; outputting clean speech from which noise is removed from the input speech by passing the M subframes through GRU components.

公开(公告)号：US11805243B2

公开(公告)日：2023-10-31

申请号：US17474514

申请日：2021-09-14

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung Chang Lim ,  Jong Ho Kim ,  Hae Chui 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 ,  H04N19/503 ,  H04N19/176 ,  H04N19/46 ,  H04N19/593 ,  H04N19/11 ,  H04N19/157

CPC classification number: H04N19/105 ,  H04N19/11 ,  H04N19/157 ,  H04N19/176 ,  H04N19/46 ,  H04N19/503 ,  H04N19/593

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.

公开(公告)号：US11778189B2

公开(公告)日：2023-10-03

申请号：US17565976

申请日：2021-12-30

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung Chang Lim ,  Hui Yong Kim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/126 ,  H04N19/159 ,  H04N19/61 ,  H04N19/196 ,  H04N19/70 ,  H04N19/50 ,  H04N19/463 ,  H04N19/176

CPC classification number: H04N19/126 ,  H04N19/159 ,  H04N19/196 ,  H04N19/198 ,  H04N19/463 ,  H04N19/50 ,  H04N19/61 ,  H04N19/70 ,  H04N19/176

Abstract: The present invention relates to a method for encoding and decoding a quantized matrix and an apparatus using same, the method for encoding a quantized matrix according to the present invention comprising the steps of: determining a quantization matrix to be used for quantization and quantizing; determining the prediction method used for the quantization of the quantization matrix; and encoding quantization matrix information on the basis of the determined prediction method, wherein the prediction method can be either a prediction method between coefficients in the quantization matrix or a duplicate of the quantization matrix.

公开(公告)号：US11770550B2

公开(公告)日：2023-09-26

申请号：US16533921

申请日：2019-08-07

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: H04N19/593 ,  H04N19/50 ,  H04N19/132 ,  H04N19/46 ,  H04N19/11 ,  H04N19/147 ,  H04N19/169 ,  H04N19/176

CPC classification number: H04N19/50 ,  H04N19/11 ,  H04N19/132 ,  H04N19/147 ,  H04N19/169 ,  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.

公开(公告)号：US11765356B2

公开(公告)日：2023-09-19

申请号：US17828745

申请日：2022-05-31

Applicant: Electronics and Telecommunications Research Institute ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hui Yong Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim

IPC: H04N19/119 ,  H04N19/129 ,  H04N19/176 ,  H04N19/70 ,  H04N19/122 ,  H04N19/159 ,  H04N19/136 ,  H04N19/61 ,  H04N19/593 ,  H04N19/625 ,  H04N19/124 ,  H04N19/157 ,  H04N19/44

CPC classification number: H04N19/129 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/44 ,  H04N19/593 ,  H04N19/61 ,  H04N19/625 ,  H04N19/70

Abstract: A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.