公开(公告)号：KR1020140102636A

公开(公告)日：2014-08-22

申请号：KR1020140087744

申请日：2014-07-11

Applicant: 한국전자통신연구원 ,  경희대학교 산학협력단

Inventor： 김휘용 ,  임성창 ,  이진호 ,  최진수 ,  김경용 ,  김진웅 ,  박광훈 ,  김상민

IPC: H04N19/503 ,  H04N19/436

CPC classification number: H04N19/105 ,  H04N19/103 ,  H04N19/124 ,  H04N19/136 ,  H04N19/139 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/503 ,  H04N19/513 ,  H04N19/52

Abstract: A method of decoding an image and a computer readable recording medium are disclosed. A program to execute the method of decoding an image according the present invention, which is recorded in a computer readable recording medium, includes determining a reference picture index for a temporal merging candidate with respect to a current block; inducing the temporal merging candidate from a temporal merging candidate block induced based on the current block; and adding the temporal merging candidate to a merging candidate list with respect to the current block based on a validity of the temporal merging candidate, wherein the reference picture index for the temporal merging candidate is set as a fixed value.

Abstract translation: 公开了一种解码图像和计算机可读记录介质的方法。 执行记录在计算机可读记录介质中的根据本发明的解码图像的方法的程序包括：确定相对于当前块的时间合并候选的参考图像索引; 从基于当前块感知的时间合并候选块诱发时间合并候选; 以及基于所述时间合并候选的有效性，将所述时间合并候选添加到所述当前块的合并候选列表中，其中将所述时间合并候选的参考图像索引设置为固定值。

公开(公告)号：KR1020140093205A

公开(公告)日：2014-07-25

申请号：KR1020140087655

申请日：2014-07-11

Applicant: 한국전자통신연구원 ,  경희대학교 산학협력단

Inventor： 김휘용 ,  임성창 ,  최진수 ,  이진호 ,  김진웅 ,  김경용 ,  박광훈

IPC: H04N19/129 ,  H04N19/60

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 an apparatus for encoding and decoding an image are disclosed. The method for encoding an image includes the steps of: identifying if a residual signal for a current block exists; and encoding information about existence of the residual signal according to existence of the residual signal for the current block, wherein the information about existence of the residual signal indicates if the residual signal for the current block exists, and the information about existence of the residual signal may be encoded to indicate that the residual signal for the current block exists when at least one transform coefficient level except for 0 is included in the current block.

Abstract translation: 公开了一种用于对图像进行编码和解码的方法和装置。 用于编码图像的方法包括以下步骤：识别当前块的剩余信号是否存在; 以及根据当前块的残差信号的存在来编码关于剩余信号的存在的信息，其中关于残留信号的存在的信息指示是否存在当前块的残差信号，以及关于残留信号的存在的信息 可以被编码以指示当当前块中包括至少一个除0之外的变换系数电平时存在当前块的残差信号。

公开(公告)号：KR1020140049958A

公开(公告)日：2014-04-28

申请号：KR1020130142748

申请日：2013-11-22

Applicant: 한국전자통신연구원 ,  경희대학교 산학협력단

Inventor： 김휘용 ,  임성창 ,  박광훈 ,  김경용 ,  최진수 ,  김진웅

IPC: H04N19/59

CPC classification number: H04N19/573 ,  H04N19/105 ,  H04N19/136 ,  H04N19/436 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61

Abstract: A method for encoding an image according to the present invention includes the steps of: determining availability of a current block with respect to a neighboring block; configuring a merge candidate list of the current block based on the availability determining result; and compensating for a movement of the current block based on the merge candidate list, wherein the availability determining step includes the steps of: inducing block availability information about the neighboring block; and inducing availability for the movement information about the neighboring block by using the induced block availability information, and in the availability determining step about the neighboring block, when a plurality of neighboring blocks exists, the availability for the neighboring blocks can be determined according to a predetermined sequence limit. [Reference numerals] (a) First determine an upper side; (AA) Give priority to movement information availability about one (for example: B1) of upper side blocks over other upper side blocks (for example B0); (b) First determine a left side; (BB) Give priority to movement information availability about one (for example: A1) of left side blocks over other left side blocks (for example A0); (c) Determine upper/left sides in parallel; (CC,FF,II) Obtain movement information availability about edge block (C) late other than upper and left side blocks(for example A0, A1, B0, B1); (DD,GG) Give priority to movement information availability about one (for example: A1) of left side blocks over other left side blocks (for example A0); (EE,HH) Give priority to movement information availability about one (for example: B1) of upper side blocks over other upper side blocks (for example B0)

Abstract translation: 根据本发明的用于编码图像的方法包括以下步骤：确定当前块相对于相邻块的可用性; 基于所述可用性确定结果来配置当前块的合并候选列表; 以及基于所述合并候选列表来补偿当前块的移动，其中所述可用性确定步骤包括以下步骤：引导关于所述相邻块的块可用性信息; 并且通过使用感应块可用性信息来引导关于相邻块的移动信息的可用性，并且在关于相邻块的可用性确定步骤中，当存在多个相邻块时，可以根据 预定顺序限制。 （附图标记）（a）首先确定上侧; （AA）优先于其他上侧块（例如B0）的上侧块的一个（例如：B1）的移动信息可用性; （b）首先确定左侧; （BB）优先于其他左侧块（例如A0）的左侧块的一个（例如：A1）的移动信息可用性; （c）平行确定上/左侧; （CC，FF，II）获取关于边缘块（C）的运动信息可用性，而不是上侧和左侧块（例如A0，A1，B0，B1）; （DD，GG）优先于其他左侧块（例如A0）左侧块的一个（例如：A1）的移动信息可用性; （EE，HH）优先于其他上侧块（例如B0）上的上侧块之间的一个（例如：B1）的移动信息可用性

公开(公告)号：KR1020140048783A

公开(公告)日：2014-04-24

申请号：KR1020130006176

申请日：2013-01-18

Applicant: 경희대학교 산학협력단 ,  한국전자통신연구원

Inventor： 방건 ,  정원식 ,  허남호 ,  김경용 ,  박광훈 ,  허영수

IPC: H04N19/50 ,  H04N13/00

CPC classification number: H04N19/597 ,  H04N13/128 ,  H04N13/161 ,  H04N19/513 ,  H04N19/52 ,  H04N19/547 ,  H04N19/70

Abstract: The present invention relates to a method and an apparatus for inducing motion information by using a depth information value. The present invention includes a method of allowing several blocks to share and use a specific depth information value to decrease a memory bandwidth due to approach of the depth information value when motion information is induced by using the depth information value. Thus, the present invention can reduce the memory bandwidth of coding and decoding in a video coding process.

Abstract translation: 本发明涉及一种通过使用深度信息值来诱导运动信息的方法和装置。 本发明包括一种方法，当通过使用深度信息值来产生运动信息时，允许多个块共享和使用特定的深度信息值以减少由于深度信息值的接近而导致的存储器带宽。 因此，本发明可以减少视频编码处理中的编码和解码的存储器带宽。

公开(公告)号：KR1020130116196A

公开(公告)日：2013-10-23

申请号：KR1020130040008

申请日：2013-04-11

Applicant: 경희대학교 산학협력단 ,  한국전자통신연구원

Inventor： 방건 ,  정원식 ,  허남호 ,  박광훈 ,  김경용

IPC: H04N19/59 ,  H04N13/00

CPC classification number: H04N19/103 ,  H04N19/159 ,  H04N19/176 ,  H04N19/597

Abstract: PURPOSE: An intra prediction mode decoding method and an apparatus for the same are provided to use an integrated signaling method in order to apply some of various intra prediction methods to an image selectively or altogether. CONSTITUTION: A decoding apparatus parses intra prediction mode information about a current block in a depth information map image (S1010). The decoding apparatus determines an intra prediction mode about the current block based on the intra prediction mode information (S1020). The decoding apparatus draws a final intra prediction mode about the current block by renewing the intra prediction mode according to a predetermined condition (S1030). The intra prediction mode information includes at least one of remaining intra prediction mode information and most probable mode (MPM) information. [Reference numerals] (S1010) Parse intra prediction mode information about a current block; (S1020) Determine an intra prediction mode about the current block based on the intra prediction mode information; (S1030) Draw a final intra prediction mode about the current block by renewing the intra prediction mode based on a GMPM

Abstract translation: 目的：提供一种帧内预测模式解码方法及其装置，以便使用集成的信令方法，以便将一些各种帧内预测方法选择性地或全部地应用于图像。 构成：解码装置在深度信息地图图像中解析关于当前块的帧内预测模式信息（S1010）。 解码装置基于帧内预测模式信息来确定关于当前块的帧内预测模式（S1020）。 解码装置根据预定条件更新帧内预测模式来绘制关于当前块的最终帧内预测模式（S1030）。 帧内预测模式信息包括剩余帧内预测模式信息和最可能模式（MPM）信息中的至少一个。 （参考号）（S1010）解析关于当前块的帧内预测模式信息; （S1020）基于帧内预测模式信息确定关于当前块的帧内预测模式; （S1030）通过基于GMPM更新帧内预测模式来绘制关于当前块的最终帧内预测模式

公开(公告)号：KR1020130090859A

公开(公告)日：2013-08-14

申请号：KR1020130075266

申请日：2013-06-28

Applicant: 한국전자통신연구원 ,  경희대학교 산학협력단

Inventor： 정세윤 ,  김휘용 ,  임성창 ,  조숙희 ,  이진호 ,  이하현 ,  김종호 ,  최진수 ,  김진웅 ,  안치득 ,  박광훈 ,  김경용 ,  이한수

IPC: H04N19/50

CPC classification number: H04N19/00587 ,  H04N19/46 ,  H04N19/463 ,  H04N19/52 ,  H04N19/56 ,  H04N19/61 ,  H04N19/70

Abstract: PURPOSE: An image information decoding method and a computer-readable recording medium thereof are provided to reduce the transmission of merge information when merging is applied to a current block. CONSTITUTION: A decoder receives a bit stream. The decoder decodes image information included in the bit stream. The decoder performs prediction for a current block based on the image information. The decoder obtains movement information of surrounding blocks from the blocks at a prediction step and determines movement information of the current block based on the obtained movement information (S310,S320). [Reference numerals] (S310) Obtain movement information of the surrounding blocks; (S320) Determine the number of movement information candidates and movement information merged probability

Abstract translation: 目的：提供一种图像信息解码方法及其计算机可读记录介质，以在合并时将合并信息的传输减少到当前块。 构成：解码器接收位流。 解码器对包含在比特流中的图像信息进行解码。 解码器基于图像信息执行对当前块的预测。 解码器在预测步骤中从块获取周围块的移动信息，并基于获得的移动信息确定当前块的移动信息（S310，S320）。 （参考号）（S310）获取周围块的移动信息; （S320）确定移动信息候选人的数量和移动信息的合并概率

公开(公告)号：KR1020130073826A

公开(公告)日：2013-07-03

申请号：KR1020120147996

申请日：2012-12-18

Applicant: 한국전자통신연구원 ,  경희대학교 산학협력단

Inventor： 김휘용 ,  박광훈 ,  김경용 ,  김상민 ,  임성창 ,  이진호 ,  최진수 ,  김진웅

IPC: H04N19/503 ,  H04N19/105 ,  H04N19/176

CPC classification number: H04N19/105 ,  H04N19/103 ,  H04N19/124 ,  H04N19/136 ,  H04N19/139 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/503 ,  H04N19/513 ,  H04N19/52 ,  H04N19/70

Abstract: PURPOSE: A method of setting a reference picture index of a temporal merging candidate and a device thereof are provided to use the temporal merging candidate which is set up as a specific value and the reference picture index of a spatial merging candidate on a predetermined position as a reference picture index of the temporal merging candidate, thereby performing inter-picture prediction which uses the temporal merging candidate in parallel with multiple prediction blocks. CONSTITUTION: An image encoding device determines a reference picture index (306) of a temporal merging candidate which is related to a current block (302). The image encoding device induces the temporal merging candidate block (360,370) of the current block, and calculates the temporal merging candidate from the temporal merging candidate block. A reference picture index of the temporal merging candidate is calculated regardless whether other blocks excluding the current block are decoded or not. [Reference numerals] (302) Current block; (304) Spatial merging candidate; (AA) Time; (BB) Picture order count (POC)

Abstract translation: 目的：提供一种设置时间合并候选的参考图像索引及其装置的方法，以将在时间合并候选中设置为特定值的时间合并候选和在预定位置上的空间合并候选的参考图像索引作为 是时间合并候选的参考图像索引，从而执行使用与多个预测块并行的时间合并候选的帧间预测。 构成：图像编码装置确定与当前块相关的时间合并候选的参考图像索引（306）（302）。 图像编码装置引发当前块的时间合并候选块（360,370），并且从时间合并候选块计算时间合并候选。 无论是否解码当前块以外的其他块，都可以计算临时合并候选的参考图像索引。 （附图标记）（302）电流块; （304）空间合并候选人; （AA）时间; （BB）图片订单数量（POC）

公开(公告)号：KR1020120044917A

公开(公告)日：2012-05-08

申请号：KR1020110111661

申请日：2011-10-28

Applicant: 한국전자통신연구원 ,  경희대학교 산학협력단

Inventor： 정세윤 ,  김휘용 ,  임성창 ,  조숙희 ,  이진호 ,  이하현 ,  김종호 ,  최진수 ,  김진웅 ,  안치득 ,  박광훈 ,  김경용 ,  이한수

IPC: H04N19/57 ,  H04N19/119

CPC classification number: H04N19/00587 ,  H04N19/46 ,  H04N19/463 ,  H04N19/52 ,  H04N19/56 ,  H04N19/61 ,  H04N19/70

Abstract: PURPOSE: An image information encoding/decoding method is provided to reduce transmission amount of information and increase compact performance of image information. CONSTITUTION: An encoding device predicts a current block(S2010). The encoding device performs entropy encoding(S2020). The encoding device transmits the encoded information(S2030). The encoding device obtains motion information of the block. The encoding device distinguishes merge probability of the current block and a motion information candidate.

Abstract translation: 目的：提供图像信息编码/解码方法，以减少信息的传输量并增加图像信息的紧凑性能。 构成：编码装置预测当前块（S2010）。 编码装置进行熵编码（S2020）。 编码装置发送编码信息（S2030）。 编码装置获取块的运动信息。 编码装置区分当前块的合并概率和运动信息候选。

公开(公告)号：KR1020210058779A

公开(公告)日：2021-05-24

申请号：KR1020210061023

申请日：2021-05-11

Applicant: 한국전자통신연구원 ,  경희대학교 산학협력단

Inventor： 임성창 ,  최해철 ,  정세윤 ,  김종호 ,  김진웅 ,  김휘용 ,  이진호 ,  이하현 ,  조숙희 ,  최진수 ,  김경용 ,  박광훈 ,  심동규 ,  오승준

IPC: H04N19/13 ,  H04N19/119 ,  H04N19/139 ,  H04N19/105 ,  H04N19/124 ,  H04N19/137 ,  H04N19/176 ,  H04N19/189 ,  H04N19/19 ,  H04N19/593

Abstract: 화면내예측부호화를이용하는부호화장치및 방법, 복호화장치및 방법이제공된다. 부호화장치는, 기정의된복수의예측블록생성방법들중 어느하나에따라현재블록의예측블록을생성하고, 차분블록의부호화여부에따라부호화정보및 차분블록중 적어도하나를엔트로피부호화하여비트스트림으로출력할수 있다.

公开(公告)号：KR1020210036333A

公开(公告)日：2021-04-02

申请号：KR1020210039708

申请日：2021-03-26

Applicant: 한국전자통신연구원 ,  경희대학교 산학협력단

Inventor： 김휘용 ,  임성창 ,  최진수 ,  이진호 ,  김진웅 ,  김경용 ,  박광훈

IPC: H04N19/00 ,  H04N19/10

Abstract: 영상부호화/복호화방법및 장치가개시된다. 본발명에따른영상복호화장치는현재블록에대한잔여신호(residual signal) 존재유무정보를획득하여복호화하는복호화부및 상기잔여신호존재유무정보를기반으로상기현재블록의잔여신호에대한스캔방향(scanIdx)을유도하여상기현재블록의잔여신호를획득하는잔여신호획득부를포함하며, 상기잔여신호존재유무정보는, 상기현재블록에잔여신호가존재하는지여부를지시하는정보이며, 상기잔여신호존재유무정보가상기현재블록에잔여신호가존재하는것으로지시하는경우, 상기현재블록이 0이아닌하나이상의변환계수레벨(transform coefficient level)을포함할수 있다.