公开(公告)号：WO2012177053A3

公开(公告)日：2013-04-04

申请号：PCT/KR2012004883

申请日：2012-06-20

Applicant: KOREA ELECTRONICS TELECOMM ,  LEE JIN HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  CHOI JIN SOO ,  KIM JIN WOONG

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

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

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/11 ,  H04N19/117 ,  H04N19/122 ,  H04N19/136 ,  H04N19/137 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/80 ,  H04N19/82 ,  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.

Abstract translation: 根据本发明，图像编码/解码方法包括以下步骤：对当前块执行帧内预测，​​以产生预测块; 基于当前块的帧内预测模式对预测块中的滤波目标像素执行滤波，以产生最终预测块; 并且基于与当前块对应的重构差分块和最终预测块来生成重建块。 根据本发明，可以提高图像编码/解码效率。

公开(公告)号：WO2012173449A3

公开(公告)日：2013-04-04

申请号：PCT/KR2012004807

申请日：2012-06-18

Applicant: KOREA ELECTRONICS TELECOMM ,  KIM HUI YONG ,  LIM SUNG CHANG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  KIM JAE GON ,  PARK DONG IL

Inventor： KIM HUI YONG ,  LIM SUNG CHANG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  KIM JAE GON ,  PARK DONG IL

IPC: H04N7/26

CPC classification number: H04N19/90 ,  H04N19/61 ,  H04N19/96

Abstract: The present invention relates to a video encoding method, to a video decoding method, and to an apparatus using same. The video encoding method according to one embodiment of the present invention comprises the steps of: determining a bit depth value per PCM sample for a current block to which a pulse coding modulation (PCM) is applied; and signaling information on the bit depth per PCM sample, wherein the information on the bit depth per PCM sample may contain the value of a difference with a reference value of the bit depth per PCM sample for the current block.

Abstract translation: 本发明涉及一种视频编码方法，一种视频解码方法以及使用该方法的装置。 根据本发明的一个实施例的视频编码方法包括以下步骤：为应用脉冲编码调制（PCM）的当前块确定每个PCM采样的位深度值; 以及关于每个PCM样本的比特深度的信令信息，其中关于每个PCM样本的比特深度的信息可以包含与当前块的每个PCM样本的比特深度的参考值的差值。

公开(公告)号：WO2012173439A3

公开(公告)日：2013-04-04

申请号：PCT/KR2012004777

申请日：2012-06-15

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KWANGWOON IND ACAD COLLAB ,  LEE HA HYUN ,  KANG JUNG WON ,  CHOI JIN SOO ,  KIM JIN WOONG ,  SIM DONG GYU ,  CHOI HYO MIN ,  NAM JUNG HAK

Inventor： LEE HA HYUN ,  KANG JUNG WON ,  CHOI JIN SOO ,  KIM JIN WOONG ,  SIM DONG GYU ,  CHOI HYO MIN ,  NAM JUNG HAK

IPC: H04N19/30 ,  H04N19/105

CPC classification number: H04N19/30 ,  H04N19/00424 ,  H04N19/103 ,  H04N19/11 ,  H04N19/176 ,  H04N19/187 ,  H04N19/33 ,  H04N19/36 ,  H04N19/503 ,  H04N19/59

Abstract: The present invention relates to a method and an apparatus for interlayer intra-prediction, and the method for interlayer intra-prediction, according to the present invention, comprises the steps of: deciding whether to apply an interlayer prediction to an enhancement layer; and performing a prediction on a current block of the enhancement layer based on reference information that is generalized and generated from a reference picture, which is decoded, of a reference layer, when the interlayer prediction is applied.

Abstract translation: 本发明涉及一种用于层间预测的方法和装置，以及根据本发明的层间预测方法，包括以下步骤：决定是否对增强层应用层间预测; 并且当应用了层间预测时，基于从参考层的被解码的参考图像推广并生成的参考信息来对增强层的当前块执行预测。

公开(公告)号：WO2012177052A3

公开(公告)日：2013-02-28

申请号：PCT/KR2012004882

申请日：2012-06-20

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KYUNG HEE UNIV IND COOP GROUP ,  KIM HUI YONG ,  PARK GWANG HOON ,  KIM KYUNG YONG ,  LIM SUNG CHANG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG

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

IPC: H04N7/36

CPC classification number: H04N19/61 ,  H04N19/51

Abstract: An inter-prediction method according to the present invention comprises the steps of: deriving motion information of a current block; and generating a prediction block for the current block on the basis of the derived motion information. According to the present invention, computational complexity can be reduced and encoding efficiency can be improved.

Abstract translation: 根据本发明的帧间预测方法包括以下步骤：导出当前块的运动信息; 以及基于导出的运动信息生成当前块的预测块。 根据本发明，可以降低计算复杂度并且可以提高编码效率。

公开(公告)号：WO2012067412A3

公开(公告)日：2012-07-12

申请号：PCT/KR2011008724

申请日：2011-11-15

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KWANGWOON IND ACAD COLLAB ,  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 ,  SIM DONG GYU ,  PARK SEA NAE ,  RYU EUN KYUNG ,  OH SEOUNG JUN ,  PARK GWANG HOON

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 ,  SIM DONG GYU ,  PARK SEA NAE ,  RYU EUN KYUNG ,  OH SEOUNG JUN ,  PARK GWANG HOON

IPC: H04N7/26

CPC classification number: H03M7/3079 ,  H04N19/91

Abstract: The present invention relates to an entropy encoding method comprising the following steps: updating probability information using the update information derived based on a bit stream received from an encoder; deriving a bin corresponding to the current codeword based on the updated probability information; and performing the inverse binarization of the derived bin to acquire a syntax element. According to the present invention, video-encoding/decoding efficiency may be improved.

Abstract translation: 本发明涉及熵编码方法，包括以下步骤：使用基于从编码器接收的比特流导出的更新信息来更新概率信息; 基于更新的概率信息导出与当前码字对应的bin; 并执行导出的bin的逆二值化以获取语法元素。 根据本发明，可以提高视频编码/解码效率。

公开(公告)号：WO2011139121A3

公开(公告)日：2012-03-08

申请号：PCT/KR2011003401

申请日：2011-05-06

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KWANGWOON IND ACAD COLLAB ,  LIM SUNG CHANG ,  LEE HA HYUN ,  JEONG SE YOON ,  KIM HUI YONG ,  CHO SUK HEE ,  KIM JONG HO ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  SIM DONG GYU ,  OH SEOUNG JUN ,  PARK GWANG HOON ,  PARK SEA NAE ,  JEON CHAN WOONG

Inventor： LIM SUNG CHANG ,  LEE HA HYUN ,  JEONG SE YOON ,  KIM HUI YONG ,  CHO SUK HEE ,  KIM JONG HO ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  SIM DONG GYU ,  OH SEOUNG JUN ,  PARK GWANG HOON ,  PARK SEA NAE ,  JEON CHAN WOONG

IPC: H04N7/26 ,  H04N7/32

CPC classification number: H04N19/117 ,  H04N19/109 ,  H04N19/132 ,  H04N19/159 ,  H04N19/17 ,  H04N19/174 ,  H04N19/192 ,  H04N19/46 ,  H04N19/50 ,  H04N19/593 ,  H04N19/82

Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Abstract translation: 本发明涉及通过跳过编码对图像进行编码和解码的装置和方法。 执行帧内预测的通过跳过编码的图像编码方法包括：对编码对象图像中的编码对象信号之前重构的信号进行滤波处理; 使用滤波后的重构信号生成编码对象信号的预测信号; 将生成的预测信号设置为编码对象信号的重构信号; 并且不对基于编码对象信号和预测信号之间的差异可以产生的残差信号进行编码，从而对编码对象信号执行跳过编码。

公开(公告)号：WO2010151007A2

公开(公告)日：2010-12-29

申请号：PCT/KR2010003942

申请日：2010-06-18

Applicant: KOREA ELECTRONICS TELECOMM ,  LEE YONG JU ,  SEO JEONGIL ,  LEE EUNG DON ,  KANG KYEONGOK ,  CHOI JIN SOO ,  HONG JIN WOO ,  KIM JIN WOONG

Inventor： LEE YONG JU ,  SEO JEONGIL ,  LEE EUNG DON ,  KANG KYEONGOK ,  CHOI JIN SOO ,  HONG JIN WOO ,  KIM JIN WOONG

IPC: H04N7/12

CPC classification number: H04N7/52 ,  H04N21/236

Abstract: The present invention proposes a transport packet generating apparatus for generating a transport packet having a variable length, wherein a header of the transport packet contains a field area indicating the length of the transport packet, or wherein the length of the transport packet is indicated using a synchronization area of the transport packet. In addition, the present invention proposes a depacketizer which interprets the field area indicating the length of the transport packet, or searches for and interprets the start point of the transport packet in accordance with a predetermined regulation on a synchronization area, so as to depacketize a transport packet having a variable length.

Abstract translation: 本发明提出了一种用于生成具有可变长度的传输分组的传输分组生成装置，其中传输分组的报头包含指示传输分组的长度的字段区域，或者其中传输分组的长度使用 传输包的同步区。 此外，本发明提出一种解映射器，其解释指示传输分组的长度的字段区域，或者根据对同步区域的预定规则来搜索和解释传输分组的起始点，以便解包 具有可变长度的传输分组。

公开(公告)号：WO2014003423A1

公开(公告)日：2014-01-03

申请号：PCT/KR2013005616

申请日：2013-06-25

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

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

IPC: H04N7/26

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.

Abstract translation: 公开了一种用于编码/解码图像的方法和设备。 用于编码图像的方法包括以下步骤：根据当前块是否是变换跳过块导出当前块的残差信号的扫描类型; 以及将扫描类型应用于当前块的残差信号，其中变换跳过块是不应用当前块变换的块，并且基于指示当前块的变换是否是 要施加。

公开(公告)号：WO2013039363A3

公开(公告)日：2013-05-10

申请号：PCT/KR2012007419

申请日：2012-09-17

Applicant: KOREA ELECTRONICS TELECOMM

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: H04N7/26

CPC classification number: H04N19/96

Abstract: A method for decoding an image according to the present invention comprises the steps of: receiving a bit stream; deriving decoding information by entropy-decoding the bit stream; and generating a restoration block corresponding to a decoding target block based on the decoding information. According to the present invention, the image encoding/decoding efficiency is improved and complexity 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：接收比特流; 通过熵解码比特流来导出解码信息; 以及基于所述解码信息生成与解码目标块相对应的恢复块。 根据本发明，提高了图像编码/解码效率，降低了复杂度。

公开(公告)号：WO2012118359A3

公开(公告)日：2012-12-13

申请号：PCT/KR2012001620

申请日：2012-03-05

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

Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG

IPC: H04N7/26

CPC classification number: H04N19/124 ,  H04N19/134

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.

Abstract translation: 公开了一种用于确定色差分量量化参数的方法和使用该方法的设备。 用于解码图像的方法可以包括以下步骤：基于变换单元的大小信息解码色差分量量化参数偏移; 并且基于解码的色差分量量化参数偏移来计算色差分量量化参数索引。 因此，本发明通过在执行量化时根据变换单元的大小应用不同的色差分量量化参数来实现有效量化。