公开(公告)号：WO2012023806A3

公开(公告)日：2012-05-10

申请号：PCT/KR2011006052

申请日：2011-08-17

Applicant: KOREA ELECTRONICS TELECOMM ,  LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

IPC: H04N7/26

CPC classification number: H04N19/124 ,  H04N19/0009 ,  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.

Abstract translation: 本发明涉及一种用于设置和编码量化参数的视频编码方法和装置，以及用于在使用具有不同大小和深度的块作为编码的视频编码和解码装置中解码和设置量化参数的视频解码方法和装置， 解码单元。

公开(公告)号：WO2012046996A2

公开(公告)日：2012-04-12

申请号：PCT/KR2011007326

申请日：2011-10-04

Applicant: KOREA ELECTRONICS TELECOMM ,  KOREA ADVANCED INST SCI & TECH ,  KIM JONG HO ,  KIM HUI YONG ,  JEONG SE YOON ,  LIM SUNG CHANG ,  LEE HA HYUN ,  LEE JIN HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  KIM MUN CHURL ,  LEE BUM SHIK

Inventor： KIM JONG HO ,  KIM HUI YONG ,  JEONG SE YOON ,  LIM SUNG CHANG ,  LEE HA HYUN ,  LEE JIN HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  KIM MUN CHURL ,  LEE BUM SHIK

IPC: H04N7/24 ,  H04N7/26

CPC classification number: H04N19/44 ,  H04N19/18 ,  H04N19/46 ,  H04N19/593 ,  H04N19/60 ,  H04N19/64 ,  H04N19/70

Abstract: Disclosed are an encoding/decoding method of an intra prediction mode using two candidate intra prediction modes, and a device for using the same. The 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. Thus, the invention increases encoding/decoding efficiency and reduces complexity.

Abstract translation: 公开了使用两种候选帧内预测模式的帧内预测模式的编码/解码方法及其使用装置。 帧内预测模式的解码方法包括以下步骤：基于1比特信息确定本预测单元的帧内预测模式是否与第一候选帧内预测模式相同，或者作为第二候选帧内预测模式 ; 并且在所述第一候选帧内预测模式和所述第二候选帧内预测模式中，基于附加的1比特信息确定所述候选帧内预测模式与所述当前预测单元的帧内预测模式相同，如果帧内预测 本预测单元的模式与第一候选帧内预测模式或第二候选帧内预测模式中的至少一个相同，并且解码本预测单元的帧内预测模式。 因此，本发明提高了编码/解码效率，降低了复杂度。

公开(公告)号：WO2012044124A2

公开(公告)日：2012-04-05

申请号：PCT/KR2011007275

申请日：2011-09-30

Applicant: KOREA ELECTRONICS TELECOMM ,  KIM HUI YONG ,  LIM SUNG CHANG ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  JEONG SE YOON ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

Inventor： KIM HUI YONG ,  LIM SUNG CHANG ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  JEONG SE YOON ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

IPC: H04N7/32

CPC classification number: G06T9/004 ,  H04N19/119 ,  H04N19/134 ,  H04N19/157 ,  H04N19/17 ,  H04N19/176 ,  H04N19/196 ,  H04N19/44 ,  H04N19/46 ,  H04N19/463 ,  H04N19/503 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

Abstract: The present invention relates to image encoding and image decoding. A method for encoding images according to the present invention comprises the steps of: acquiring division information from peripheral blocks of an encoding target block with respect to the peripheral blocks; predicting the division of the encoding target block on the basis of the acquired division information; encoding information on the difference between the practical division information of the encoding target information and the predictive division information predicted in the predicting process; and transmitting the encoded information. The present invention can encode/decode the division information of the encoding/decoding target blocks using the information about the peripheral blocks.

Abstract translation: 本发明涉及图像编码和图像解码。 根据本发明的用于编码图像的方法包括以下步骤：从编码目标块的外围块获取关于外围块的划分信息; 基于所获取的划分信息来预测编码对象块的划分; 编码关于编码目标信息的实际分割信息与预测处理中预测的预测分割信息之间的差异的信息; 并传送编码信息。 本发明可以使用关于外围块的信息来对编码/解码目标块的划分信息进行编码/解码。

公开(公告)号：WO2012044118A2

公开(公告)日：2012-04-05

申请号：PCT/KR2011007263

申请日：2011-09-30

Applicant: KOREA ELECTRONICS TELECOMM ,  KOREA ADVANCED INST SCI & TECH ,  JEONG SE YOON ,  LEE JIN HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  LEE HA HYUN ,  KIM JONG HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  PARK HYUN WOOK

Inventor： JEONG SE YOON ,  LEE JIN HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  LEE HA HYUN ,  KIM JONG HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  PARK HYUN WOOK

IPC: H04N7/26

CPC classification number: H04N19/51

Abstract: According to the present invention, a method for decoding a video in a skip mode comprises the steps of: deriving a pixel value of an estimation block for a current block; deriving an error compensation value for the current block; and deriving a pixel value of a final prediction block using the pixel value of the prediction block and the error compensation value. According to the present invention, the amount of transmitted information is minimized, and the efficiency of video encoding / decoding is improved.

Abstract translation: 根据本发明，一种用于以跳过模式解码视频的方法包括以下步骤：导出当前块的估计块的像素值; 导出当前块的误差补偿值; 并且使用预测块的像素值和误差补偿值来导出最终预测块的像素值。 根据本发明，传输信息的量被最小化，并且视频编码/解码的效率得到改善。

公开(公告)号：IN2639CHN2014A

公开(公告)日：2015-08-07

申请号：IN2639CHN2014

申请日：2014-04-08

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LEE JIN HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  CHOI JIN SOO ,  KIM JIN WOONG

IPC: H04N19/593 ,  H04N19/105 ,  H04N19/117

Abstract: AS ATTACHED

公开(公告)号：AU2016200938A1

公开(公告)日：2016-03-03

申请号：AU2016200938

申请日：2016-02-12

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KYUNG HEE UNIV IND COOP GROUP

Inventor： KIM HUI YONG ,  PARK GWANG HOON ,  KIM KYUNG YONG ,  LIM SUNG CHANG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG

IPC: H04N19/593

Abstract: An apparatus for decoding a video signal, comprising: a prediction mode determination unit configured to determine an intra prediction mode of a current block when a prediction mode of the current block 5 corresponds to an intra prediction; a scanning unit configured to perform a scan for the current block; and an inverse-transform unit configured to perform an inverse-transform for residual signal of the current block using at least one of discrete cosine transform (DCT) or discrete sine transform (DST), 10 wherein the scanning unit is further configured to determine, based on the intra prediction mode of the luma component, a scanning type of the luma component and a chroma component of the current block, and wherein when a size of the current block is 4x4, the inverse transform for the luma component of the current block is performed using only the DST.

公开(公告)号：CA2849004A1

公开(公告)日：2013-03-21

申请号：CA2849004

申请日：2012-09-14

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV SOGANG IND UNIV COOP FOUN

Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  KIM JAE GON ,  LEE SANG YONG ,  PARK UN KI

IPC: H04N19/51 ,  H04N19/52 ,  H04N19/109 ,  H04N19/13 ,  H04N19/139 ,  H04N19/159 ,  H04N19/176

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：CA2910612A1

公开(公告)日：2012-12-27

申请号：CA2910612

申请日：2012-06-20

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LEE JIN HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  CHOI JIN SOO ,  KIM JIN WOONG

IPC: H04N19/159 ,  H04N19/593 ,  H04N19/105 ,  H04N19/117 ,  H04N19/176 ,  H04N19/186

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：CA2828462A1

公开(公告)日：2012-12-27

申请号：CA2828462

申请日：2012-06-20

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LEE JIN HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  CHOI JIN SOO ,  KIM JIN WOONG

IPC: H04N19/593 ,  H04N19/105 ,  H04N19/117

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：AU2013250143A1

公开(公告)日：2014-10-23

申请号：AU2013250143

申请日：2013-04-16

Applicant: UNIV KYUNG HEE UNIV IND COOP GROUP ,  KOREA ELECTRONICS TELECOMM

Inventor： KIM HUI YONG ,  PARK GWANG HOON ,  KIM KYUNG YONG ,  LIM SUNG CHANG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG

IPC: H04N19/593

Abstract: The present invention relates to an encoding method and decoding method, and a device using the same. The encoding method according to the present invention comprises the steps of: specifying an intra prediction mode for a current block; and scanning a residual signal by intra prediction of the current block, wherein the step of scanning the residual signal can determine a scanning type for a luminance signal and a chroma signal of the current block according to an intra prediction mode for a luminance sample of the current block.