-
51.发明申请公开(公告)号：US20190037228A1
公开(公告)日：2019-01-31
申请号：US16134131
申请日：2018-09-18
Applicant: Electronics and Telecommunications Research Institute , KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Jong Ho KIM , Hui Yong KIM , Se Yoon JEONG , Sung Chang LIM , Ha Hyun LEE , Jin Ho LEE , Suk Hee CHO , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN , Mun Churl KIM , Bum Shik LEE
Abstract: Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.
-
公开(公告)号：US20180352250A1
公开(公告)日：2018-12-06
申请号：US16057459
申请日：2018-08-07
Inventor： Jin Ho LEE , Hui Yong KIM , Se Yoon JEONG , Suk Hee CHO , Ha Hyun LEE , Jong Ho KIM , Sung Chang LIM , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN
IPC: H04N19/593 , H04N19/82 , H04N19/44 , H04N19/157 , H04N19/117 , H04N19/176 , H04N19/105 , H04N19/136 , H04N19/147 , H04N19/182
CPC classification number: H04N19/593 , H04N19/105 , H04N19/117 , H04N19/136 , H04N19/147 , H04N19/157 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/82
Abstract: Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction includes the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.
-
公开(公告)号：US20180332295A1
公开(公告)日：2018-11-15
申请号：US16040119
申请日：2018-07-19
Inventor： Jung Won KANG , Jin Ho LEE , Ha Hyun LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/436 , H04N19/30
Abstract: Disclosed are a method and an apparatus for video decoding that support a plurality of layers. The method for video decoding includes acquiring information indicating whether tile information exists and acquiring the tile information based on the information indicating whether tile information exists.
-
公开(公告)号：US20180146200A1
公开(公告)日：2018-05-24
申请号：US15875173
申请日：2018-01-19
Inventor： Ha Hyun LEE , Jung Won KANG , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/187 , H04N19/31 , H04N19/33 , H04N19/463 , H04N19/52 , H04N19/105 , H04N19/176 , H04N19/70
CPC classification number: H04N19/187 , H04N19/105 , H04N19/176 , H04N19/31 , H04N19/33 , H04N19/463 , H04N19/52 , H04N19/70
Abstract: Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.
-
55.发明申请公开(公告)号：US20180084266A1
公开(公告)日：2018-03-22
申请号：US15824155
申请日：2017-11-28
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Jong Ho KIM , Hui Yong KIM , Se Yoon JEONG , Sung Chang LIM , Ha Hyun LEE , Jin Ho LEE , Suk Hee CHO , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN , Mun Churl KIM , Bum Shik LEE
CPC classification number: H04N19/44 , H04N19/18 , H04N19/46 , H04N19/593 , H04N19/60 , H04N19/64 , H04N19/70
Abstract: Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.
-
Patent Agency Ranking
公开(公告)号：US20180070084A1
公开(公告)日：2018-03-08
申请号：US15801423
申请日：2017-11-02
Inventor： Sung Chang LIM , Hui Yong KIM , Se Yoon JEONG , Suk Hee CHO , Jong Ho KIM , Ha Hyun LEE , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN
IPC: H04N19/124 , H04N19/176 , H04N19/463 , H04N19/196 , H04N19/70 , H04N19/14 , H04N19/119
CPC classification number: H04N19/124 , H04N19/119 , H04N19/14 , H04N19/176 , H04N19/196 , H04N19/33 , H04N19/463 , H04N19/70
Abstract: The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.
-
57.发明申请公开(公告)号：US20170324955A1
公开(公告)日：2017-11-09
申请号：US15656282
申请日：2017-07-21
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: H04N19/124 , H04N19/463 , H04N19/46 , H04N19/43 , H04N19/186 , H04N19/122 , H04N19/105 , H04N19/159 , H04N19/157 , H04N19/15 , H04N19/13 , H04N19/61 , H04N19/117 , H04N19/176 , H04N19/174
CPC classification number: H04N19/124 , H04N19/105 , H04N19/117 , H04N19/122 , H04N19/13 , H04N19/15 , H04N19/157 , H04N19/159 , H04N19/174 , H04N19/176 , H04N19/186 , H04N19/43 , H04N19/46 , H04N19/463 , H04N19/61
Abstract: Disclosed are a method for determining a color difference component quantization parameter and a device using the method. Method for decoding an image can comprise the steps of: decoding a color difference component quantization parameter offset on the basis of size information of a transform unit; and calculating a color difference component quantization parameter index on the basis of the decoded color difference component quantization parameter offset. Therefore, the present invention enables effective quantization by applying different color difference component quantization parameters according to the size of the transform unit when executing the quantization.
-
公开(公告)号：US20170054977A1
公开(公告)日：2017-02-23
申请号：US15343887
申请日：2016-11-04
Inventor： Jin Ho LEE , Jung Won KANG , Ha Hyun LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/117 , H04N19/105 , H04N19/13 , H04N19/51 , H04N19/124 , H04N19/61 , H04N19/30 , H04N19/159
CPC classification number: H04N19/117 , H04N19/105 , H04N19/124 , H04N19/13 , H04N19/14 , H04N19/159 , H04N19/172 , H04N19/176 , H04N19/30 , H04N19/51 , H04N19/61 , H04N19/80
Abstract: A video decoding method according to an embodiment of the present invention may include determining a type of a filter to be applied to a first-layer picture which a second-layer picture as a decoding target refers to; determining a filtering target of the first-layer picture to which the filter is applied; filtering the filtering target based on the type of the filter; and adding the filtered first-layer picture to a second-layer reference picture list. Accordingly, the video decoding method and an apparatus using the same may reduce a prediction error in an upper layer and enhance encoding efficiency.
Abstract translation: 根据本发明的实施例的视频解码方法可以包括确定要应用于作为解码目标的第二层图片参考的第一层图像的滤波器的类型; 确定应用所述滤波器的所述第一层图像的滤波目标; 基于过滤器的类型对过滤目标进行过滤; 并将滤波的第一层图像添加到第二层参考图片列表。 因此，视频解码方法及其使用装置可以减少上层的预测误差，提高编码效率。
-
公开(公告)号：US20160337643A1
公开(公告)日：2016-11-17
申请号：US15219487
申请日：2016-07-26
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: H04N19/122 , H04N19/159 , H04N19/13 , H04N19/14 , H04N19/176 , H04N19/124 , H04N19/44 , H04N19/18
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.
-
60.发明申请METHOD FOR ENCODING AND DECODING VIDEO USING INTRA-PREDICTION COMBINED BETWEEN LAYERS 审中-公开使用层之间组合预测的编码和解码视频的方法公开(公告)号：US20160021382A1
公开(公告)日：2016-01-21
申请号：US14782246
申请日：2014-04-04
Inventor： Jin Ho LEE , Jung Won KANG , Ha Hyun LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/50 , H04N19/17 , H04N19/176 , H04N19/44
CPC classification number: H04N19/593 , H04N19/30
Abstract: The present invention is related to an apparatus and/or a method for image encoding and/or decoding using inter-layer combined intra prediction. The apparatus comprises a reference sample generation module generating a reference sample by using at least one of samples which is included in the reconstructed block neighboring the target block of the higher layer, a sample included in the co-located block of the lower layer corresponding to the target block of the higher layer, a sample included in the co-located block of the lower layer corresponding to the reconstructed block neighboring the target block of the higher layer, and a sample included in a certain specific block of the lower layer; a prediction performance module generating a prediction value for the target block using the reference sample; and a prediction value generation module generating a final prediction value for the prediction target block using the prediction value.
Abstract translation: 本发明涉及使用层间组合帧内预测的图像编码和/或解码的装置和/或方法。 该装置包括：参考样本生成模块，通过使用包含在与较高层的目标块相邻的重构块中的样本中的至少一个样本，生成参考样本，包含在下层对应的块的共同位置块中的样本 较高层的目标块，对应于与较高层的目标块相邻的重构块的下层的同位置块中包含的样本以及包含在下层的特定特定块中的样本; 预测性能模块，使用所述参考样本生成所述目标块的预测值; 以及预测值生成模块，其使用所述预测值生成所述预测对象块的最终预测值。
-
-
-
-
-
-
-
-
-
Search Results
356
records
(took 0.023 seconds)
