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公开(公告)号：US20180376138A1
公开(公告)日：2018-12-27
申请号：US16117948
申请日：2018-08-30
Inventor： Ha Hyun Lee , Hui Yong Kim , Sung Chang Lim , Jong Ho Kim , Jin Ho Lee , Se Yoon Jeong , Suk Hee Cho , Jin Soo Choi , Jin Woong Kim , Chie Teuk Ahn
IPC: H04N19/107 , H04N19/91 , H04N19/593 , H04N19/52 , H04N19/105 , H04N19/513 , H04N19/137 , H04N19/70 , H04N19/109 , H04N19/50 , H04N19/169 , H04N19/157 , H04N19/11 , H04N19/61 , H04N19/13 , H04N19/196 , H04N19/176 , H04N19/159
CPC classification number: H04N19/107 , H04N19/105 , H04N19/109 , H04N19/11 , H04N19/13 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/1887 , H04N19/196 , H04N19/50 , H04N19/52 , H04N19/521 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/91
Abstract: Disclosed herein is an intra prediction method including: deriving neighbor prediction mode information from a left neighbor prediction mode and an upper neighbor prediction mode; deriving an intra prediction mode for a decoding target unit by using the derived neighbor prediction mode information; and performing intra prediction on the decoding target unit based on the intra prediction mode. According to exemplary embodiments of the present invention, image encoding/decoding efficiency can be improved.
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公开(公告)号：US09648327B2
公开(公告)日：2017-05-09
申请号：US15055150
申请日：2016-02-26
Inventor： Ha Hyun Lee , Hui Yong Kim , Sung Chang Lim , Jong Ho Kim , Jin Ho Lee , Se Yoon Jeong , Suk Hee Cho , Jin Soo Choi , Jin Woong Kim , Chie Teuk Ahn
IPC: H04N7/12 , G06K9/46 , H04N19/11 , H04N19/593 , H04N19/176 , H04N19/196 , H04N19/13 , H04N19/157 , H04N19/169 , H04N19/50 , H04N19/137 , H04N19/513 , H04N19/70 , H04N19/61
CPC classification number: H04N19/107 , H04N19/105 , H04N19/109 , H04N19/11 , H04N19/13 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/1887 , H04N19/196 , H04N19/50 , H04N19/52 , H04N19/521 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/91
Abstract: An intra prediction method according to the present invention comprises the following steps: deriving neighboring prediction mode information from a left neighboring prediction mode and a top neighboring prediction mode; deriving an intra prediction mode for a target unit to be decoded, using the derived neighboring prediction mode information; and performing intra prediction for the target unit to be decoded, based on the intra prediction mode. According to the present invention, video encoding/decoding efficiency may be improved.
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13.发明授权Method and apparatus for correcting errors in multiple stream-based 3D images 有权用于校正多个基于流的3D图像中的错误的方法和装置公开(公告)号：US09253467B2
公开(公告)日：2016-02-02
申请号：US14061104
申请日：2013-10-23
Inventor： Hyon Gon Choo , Suk Hee Cho , Jong Ho Kim , Jin Soo Choi , Jin Woong Kim
IPC: H04N13/00
CPC classification number: H04N13/194 , H04N13/161
Abstract: The present invention relates to correcting errors of multiple stream-based 3D images. The present invention comprises a 3D image synchronizing unit which synchronizes a first image and a second image consisting the 3D image; a 3D image correcting unit which detects an error block in the first image, searches a corresponding block in the second image, and corrects the error block on the basis of the block information of said corresponding block; and a compositing unit which composites the corrected first image and the second image to generate a 3D stereoscopic image. According to the present invention, bit errors occurring when transmitting multiple stream of 3D image can be corrected, providing better quality of 3D images. Also, error correction can be easily performed by using the method of the present invention without complicated calculations.
Abstract translation: 本发明涉及校正多个基于流的3D图像的误差。 本发明包括一个3D图像同步单元，它同步一个第一图像和一个由3D图像组成的第二个图像; 3D图像校正单元，其检测第一图像中的误差块，搜索第二图像中的相应块，并根据所述对应块的块信息来校正误差块; 以及合成单元，其将经校正的第一图像和第二图像合成以生成3D立体图像。 根据本发明，可以校正当发送多个3D图像流时发生的位错误，提供更好的3D图像质量。 此外，通过使用本发明的方法，可以容易地进行纠错，而无需复杂的计算。
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14.发明授权Apparatus and method for determining received signal level in ray-tracing wave propagation environment 有权用于确定光线跟踪波传播环境中的接收信号电平的装置和方法公开(公告)号：US09184859B2
公开(公告)日：2015-11-10
申请号：US13899244
申请日：2013-05-21
Inventor： Myoung-Won Jung , Young Jun Chong , Jong Ho Kim
IPC: H04B17/00 , H04B17/318
CPC classification number: H04B17/318
Abstract: An apparatus for determining a received signal level of a radio wave in a ray-tracing wave propagation environment includes a reception unit configured to receive the radio wave; and an analyzing unit configured to determine the received signal level of the radio wave in the ray-tracing wave propagation environment. Further, the analyzing unit is configured to analyze a correlation of the height and altitude of a surface roughness that recognizes the surface of a surrounding obstacle depending on the length of wavelength in the course of delivery of a received signal of the radio wave and analyze precisely the scattering of the received signal depending on the surface roughness to determine the received signal level of the radio wave when determining the received signal level.
Abstract translation: 一种用于确定射线跟踪波传播环境中的无线电波的接收信号电平的装置，包括接收无线电波的接收单元; 以及分析单元，被配置为确定所述射线跟踪波传播环境中的所述无线电波的接收信号电平。 此外，分析单元被配置为根据无线电波的接收信号的传送过程中的波长长度来分析识别周围障碍物的表面的表面粗糙度的高度和高度的相关性，并且精确地分析 接收信号的散射取决于表面粗糙度，以在确定接收信号电平时确定无线电波的接收信号电平。
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公开(公告)号：US12212739B2
公开(公告)日：2025-01-28
申请号：US18475768
申请日：2023-09-27
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 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.
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Patent Agency Ranking
公开(公告)号：US12206843B2
公开(公告)日：2025-01-21
申请号：US18475786
申请日：2023-09-27
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 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.
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公开(公告)号：US12160589B2
公开(公告)日：2024-12-03
申请号：US18115306
申请日：2023-02-28
Inventor： Jin Ho Lee , Hui Yong Kim , Sung Chang Lim , Jong Ho Kim , Ha Hyun Lee , Se Yoon Jeong , Suk Hee Cho , Jin Soo Choi , Jin Woong Kim , Chie Teuk Ahn
IPC: H04N19/159 , H04N19/105 , H04N19/117 , H04N19/126 , H04N19/13 , H04N19/43 , H04N19/50 , H04N19/593 , H04N19/61 , H04N19/176 , H04N19/182
Abstract: An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.
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公开(公告)号：US12149713B2
公开(公告)日：2024-11-19
申请号：US18374527
申请日：2023-09-28
Inventor： Sung Chang Lim , Hui Yong Kim , Se Yoon Jeong , Jong Ho Kim , Ha Hyun Lee , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim
IPC: H04N19/176 , H04N19/129 , H04N19/136
Abstract: Provided is a transform coefficient scan method including: determining a reference transform block for a decoding target block; deriving a scanning map of the decoding target block using scanning information of the reference transform block; and performing inverse scanning on a transform coefficient of the decoding target block using the derived scanning map. According to the present invention, picture encoding/decoding efficiency may be improved.
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公开(公告)号：US12028545B2
公开(公告)日：2024-07-02
申请号：US17538797
申请日：2021-11-30
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.
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公开(公告)号：US11805243B2
公开(公告)日：2023-10-31
申请号：US17474514
申请日：2021-09-14
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.
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