-
公开(公告)号:US09148662B2
公开(公告)日:2015-09-29
申请号:US14040132
申请日:2013-09-27
Applicant: Electronics and Telecommunications Research Institute , Kwangwoon University Industry-Academic Collaboration Foundation , University-Industry Cooperation Group of Kyung Hee University , Korea Advanced Institute of Science and Technology
Inventor: Sung-Chang Lim , Ha Hyun Lee , Hui Yong Kim , Se Yoon Jeong , Suk Hee Cho , Hae Chul Choi , Jong Ho Kim , Jin Ho Lee , Jin Soo Choi , Jin Woo Hong , Dong Gyu Sim , Seoung Jun Oh , Gwang Hoon Park , Mun Churl Kim , Neung Joo Hwang , Sea Nae Park
IPC: H04N19/18 , H04N19/176 , H04N19/60 , H04N19/12 , H04N19/14 , H04N19/182
CPC classification number: H04N19/122 , H04N19/107 , H04N19/11 , H04N19/119 , H04N19/12 , H04N19/124 , H04N19/13 , H04N19/139 , H04N19/14 , H04N19/159 , H04N19/176 , H04N19/18 , H04N19/182 , H04N19/44 , H04N19/50 , H04N19/52 , H04N19/55 , H04N19/593 , H04N19/60 , H04N19/615 , H04N19/625 , H04N19/91
Abstract: Provided is a video encoding apparatus, including a signal separator to separate a differential image block into a first domain and a second domain, based on a boundary line included in the differential image block, the differential image block indicating a difference between an original image and a prediction image with respect to the original image, a transform encoder to perform a transform encoding with respect to the first domain using a discrete cosine transform (DCT), a quantization unit to quantize an output of the transform encoding unit in a frequency domain, a space domain quantization unit to quantize the second domain in a space domain, and an entropy encoder to perform an entropy encoding using outputs of the quantization unit and the space domain quantization unit.
-
公开(公告)号:US20150189289A1
公开(公告)日:2015-07-02
申请号:US14412316
申请日:2013-07-02
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: H04N19/176 , H04N19/167 , H04N19/196 , H04N19/12
CPC classification number: H04N19/167 , H04N19/126 , H04N19/18 , H04N19/46
Abstract: Disclosed are a method and an apparatus for coding/decoding an image. The method for decoding the image comprises the steps of: deriving a scale factor of a current block, depending on whether the current block is a conversion skip block; and scaling the current block on the basis of the scale factor, wherein the scale factor of the current block is derived on the basis of the position of a conversion coefficient inside the current block, and wherein the conversion skip block is the current block to which conversion is not applied and is specified on the basis of information indicating whether to apply reconversion to the current block.
Abstract translation: 公开了一种用于对图像进行编码/解码的方法和装置。 用于解码图像的方法包括以下步骤:取决于当前块是转换跳过块,导出当前块的比例因子; 并且根据比例因子缩放当前块,其中当前块的比例因子基于当前块内的转换系数的位置导出,并且其中转换跳跃块是当前块,当前块 转换不被应用,并且基于指示是否对当前块应用重新转换的信息来指定。
-
公开(公告)号:US20150078442A1
公开(公告)日:2015-03-19
申请号:US14382251
申请日:2013-04-16
Inventor: Sung Chang Lim , Hui Yong Kim , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim
IPC: H04N19/126 , H04N19/60 , H04N19/44
CPC classification number: H04N19/126 , H04N19/129 , H04N19/176 , H04N19/18 , H04N19/44 , H04N19/463 , H04N19/60 , H04N19/61 , H04N19/70 , H04N19/96
Abstract: A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients.
Abstract translation: 公开了一种用于对图像进行编码/解码的方法和装置。 解码图像的方法包括以下步骤:解码量化矩阵上的信息; 并且根据关于量化矩阵的信息来恢复量化矩阵,其中关于量化矩阵的信息包括指示量化矩阵的DC值的信息和/或指示量化矩阵系数的差分值的信息。
-
公开(公告)号:US08975692B2
公开(公告)日:2015-03-10
申请号:US14100780
申请日:2013-12-09
Inventor: Sang Gi Kim , Jin-Gun Koo , Seong Wook Yoo , Jong-Moon Park , Jin Ho Lee , Kyoung Il Na , Yil Suk Yang , Jongdae Kim
CPC classification number: H01L29/7813 , H01L21/2255 , H01L29/0634 , H01L29/0653 , H01L29/1095 , H01L29/66727 , H01L29/66734 , H01L29/7811
Abstract: Provided are a semiconductor device and a method of fabricating the same. The method includes: forming a trench in a semiconductor substrate of a first conductive type; forming a trench dopant containing layer including a dopant of a second conductive type on a sidewall and a bottom surface of the trench; forming a doping region by diffusing the dopant in the trench dopant containing layer into the semiconductor substrate; and removing the trench dopant containing layer.
Abstract translation: 提供半导体器件及其制造方法。 该方法包括:在第一导电类型的半导体衬底中形成沟槽; 在所述沟槽的侧壁和底表面上形成包含第二导电类型的掺杂剂的沟槽掺杂剂层; 通过将所述沟槽掺杂剂含量层中的掺杂剂扩散到所述半导体衬底中来形成掺杂区域; 并去除含沟槽掺杂剂层。
-
公开(公告)号:US20140362906A1
公开(公告)日:2014-12-11
申请号:US14372278
申请日:2013-01-18
Inventor: Hui Yong Kim , Jin Ho Lee , Sung Chang Lim , Jin Soo Choi , Jin Woong Kim
IPC: H04N19/51 , H04N19/583 , H04N19/182 , H04N19/159 , H04N19/105
CPC classification number: H04N19/51 , H04N19/105 , H04N19/182 , H04N19/196 , H04N19/513 , H04N19/52 , H04N19/593 , H04N19/82
Abstract: A method for decoding an image according to the present invention comprises the steps of: restoring a residual block by performing inverse quantization and inverse transformation for the entropy-decoded residual block; generating a prediction block by performing intra prediction for a current block; and restoring an image by adding the restored residual block to the prediction block, wherein the step of generating the prediction block further comprises a step for generating a final prediction value of a pixel to be predicted, on the basis of a first prediction value of the pixel to be predicted, which is included in the current block, and of a fmal correction value that is calculated by performing an arithmetic right shift by a binary digit I for a two's complement integer representation with respect to an initial correction value of the pixel to be predicted. The operational complexity during image encoding/decoding can be reduced.
Abstract translation: 根据本发明的用于解码图像的方法包括以下步骤:通过对熵解码的残余块执行逆量化和逆变换来恢复残差块; 通过对当前块执行帧内预测来生成预测块; 以及通过将所述恢复的残差块加到所述预测块中来恢复图像,其中,所述生成所述预测块的步骤还包括根据所述预测块的第一预测值生成要预测的像素的最终预测值的步骤 包含在当前块中的要预测的像素,以及通过对二进制补码整数表示相对于像素的初始校正值执行二进制数字I的算术右移而计算出的伪校正值, 被预测。 可以减少图像编码/解码期间的操作复杂度。
-
公开(公告)号:US20140341284A1
公开(公告)日:2014-11-20
申请号:US14353615
申请日:2012-11-08
Applicant: Electronics and Telecommunications Research Institute , University-Industry Cooperation Group of Kyung Hee University
Inventor: Hui Yong Kim , Gwang Hoon Park , Kyung Yong Kim , Sang Min Kim , Sung Chang Lim , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim
IPC: H04N19/503 , H04N19/593
CPC classification number: H04N19/159 , H04N19/105 , H04N19/117 , H04N19/122 , H04N19/124 , H04N19/13 , H04N19/15 , H04N19/176 , H04N19/436 , H04N19/503 , H04N19/51 , H04N19/52 , H04N19/593 , H04N19/61
Abstract: The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.
Abstract translation: 本发明涉及共享候选列表的方法和装置。 一种生成用于预测块的合并候选列表的方法可以包括:基于包括执行并行合并处理的预测块的编码块,生成空间合并候选和时间合并候选中的至少一个 的预测块; 以及基于所生成的合并候选来生成编码块的单个合并候选列表。 因此,通过在多个预测块上并行执行画面间预测,可以提高编码和解码的处理速度。
-
87.
公开(公告)号:US20140334543A1
公开(公告)日:2014-11-13
申请号:US14365663
申请日:2013-01-30
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
Inventor: Jin Ho Lee , Hui Yong Kim , Sung Chang Lim , Jin Soo Choi , Jin woong Kim , Jae Gon Kim , Hae Chul Choi , Sang Yong Lee
IPC: H04N19/11 , H04N19/593 , H04N19/44 , H04N19/176
CPC classification number: H04N19/157 , H04N19/11 , H04N19/176 , H04N19/198 , H04N19/593 , H04N19/70
Abstract: Disclosed are an intra prediction mode encoding and decoding method, an image decoding device, and an image encoding device. The intra prediction mode decoding method comprises the steps of: deriving most probable modes (MPMs) from surrounding prediction units adjacent to a current prediction unit; and deriving an intra prediction mode of the current prediction unit on the basis of an MPM flag indicating whether an MPM having the same prediction mode as the intra prediction mode of the current prediction unit exists among the derived MPMs.
Abstract translation: 公开了帧内预测模式编码和解码方法,图像解码装置和图像编码装置。 帧内预测模式解码方法包括以下步骤:从与当前预测单元相邻的周围预测单元导出最可能模式(MPM); 并且基于指示在导出的MPM中是否存在与当前预测单元的帧内预测模式具有相同预测模式的MPM的MPM标志来导出当前预测单元的帧内预测模式。
-
公开(公告)号:US12289472B2
公开(公告)日:2025-04-29
申请号:US18435936
申请日:2024-02-07
Inventor: Sung Chang Lim , Jung Won Kang , Ha Hyun Lee , Jin Ho Lee , Hui Yong Kim
IPC: H04N19/61 , H04N19/11 , H04N19/176 , H04N19/593 , H04N19/91
Abstract: Disclosed herein is a video decoding method including: obtaining a transform skip mode flag indicating whether or not a transform skip mode is applied to a current block; based on the transform skip mode flag, when a transform skip mode is applied to the current block, determining that secondary transform/inverse transform is not applied to the current block; and, according to the transform skip mode flag, when a transform skip mode is not applied to the current block, obtaining a transform matrix index for secondary transform/inverse transform of the current block and, according to the transform matrix index, determining whether or not secondary transform/inverse transform is applied to the current block.
-
公开(公告)号:US12244855B2
公开(公告)日:2025-03-04
申请号:US18330440
申请日:2023-06-07
Inventor: Jin Ho Lee , Hui Yong Kim , Sung Chang Lim , Jin Soo Choi , Jin Woong Kim
IPC: H04N19/11 , H04N19/105 , H04N19/117 , H04N19/122 , H04N19/136 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/182 , H04N19/44 , H04N19/593 , H04N19/80 , H04N19/82 , H04N19/176 , H04N19/96
Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
-
公开(公告)号:US12225240B2
公开(公告)日:2025-02-11
申请号:US18513906
申请日:2023-11-20
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
Inventor: Sung Chang Lim , Jung Won Kang , Hyun Suk Ko , Jin Ho Lee , Dong San Jun , Ha Hyun Lee , Seung Hyun Cho , Hui Yong Kim , Jin Soo Choi , Yung Lyul Lee , Jun Woo Choi
IPC: H04N19/91 , H04N19/146 , H04N19/149 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/44
Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.
-
-
-
-
-
-
-
-
-