公开(公告)号：KR1020140093201A

公开(公告)日：2014-07-25

申请号：KR1020140059299

申请日：2014-05-16

Applicant: 삼성전자주식회사

Inventor： 김일구

IPC: H04N19/13 ,  H04N19/70

CPC classification number: H04N19/91 ,  H04N19/119 ,  H04N19/13 ,  H04N19/139 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/18 ,  H04N19/44 ,  H04N19/46 ,  H04N19/60

Abstract: Disclosed is a method for encoding and decoding the entropy of a video. The method for decoding the entropy of the video includes the steps of: determining a transform coefficient used for an inversion transform of an encoding unit; determining a context model for the arithmetic decoding of a transform unit effective coefficient flag to show whether the transform coefficient that is not 0 is in the transform unit based on the transform depth of the transform unit; and arithmetically decoding the transform unit effective coefficient flag based on the determined context model.

Abstract translation: 公开了一种用于对视频的熵进行编码和解码的方法。 用于解码视频熵的方法包括以下步骤：确定用于编码单元的反转换的变换系数; 确定变换单元有效系数标志的算术解码的上下文模型，以基于变换单元的变换深度来显示不是0的变换系数是否在变换单元中; 并基于所确定的上下文模型对变换单元有效系数标志进行算术解码。

公开(公告)号：KR1020140085384A

公开(公告)日：2014-07-07

申请号：KR1020140054357

申请日：2014-05-07

Applicant: 삼성전자주식회사

Inventor： 김일구 ,  세레긴바딤

IPC: H04N19/593

CPC classification number: H04N19/109 ,  H04N19/105 ,  H04N19/11 ,  H04N19/137 ,  H04N19/159 ,  H04N19/176 ,  H04N19/44 ,  H04N19/46 ,  H04N19/463 ,  H04N19/593 ,  H04N19/70 ,  H04N19/96

Abstract: 본발명을통해, 수신한비트스트림으로부터부호화된비디오의블록의심볼들을파싱하는동안블록의 MPM 플래그가파싱되고, MPM 플래그에기초하여블록의인트라예측모드를예측하기위해고정개수인복수개의후보인트라예측모드들이이용되는지결정되며, MPM 플래그에기초하여복수개의후보인트라예측모드들이이용되는것으로결정된경우, 블록들의심볼들의파싱이완료한후 파싱된심볼들을이용하여상기블록의인트라예측모드를복원하는동안, 블록에인접한좌측블록및 상단블록의인트라예측모드들에기초하여, 복수개의후보인트라예측모드들이결정되고, 고정개수인복수개의후보인트라예측모드들을이용하여블록의인트라예측모드가예측부호화되는비디오복호화방법이개시된다.

Abstract translation: 公开了一种对视频进行解码的方法。 该方法包括以下步骤：在从接收到的比特流解码编码视频的块的符号的同时解析块的MPM标志; 确定所述多个候选帧内预测模式的固定数量是否用于基于所述MPM标志来预测所述块的帧内预测模式; 当基于MPM标志确定使用候选帧内预测模式时，基于与块相邻的左块和高块的帧内预测模式来确定候选帧内预测模式， 在完成解析块的符号之后，使用解析的符号恢复块的预测模式; 并且使用固定数量的候选帧内预测模式来预测和编码块的帧内预测模式。

公开(公告)号：KR1020140071301A

公开(公告)日：2014-06-11

申请号：KR1020140054388

申请日：2014-05-07

Applicant: 삼성전자주식회사

Inventor： 천민수 ,  한우진 ,  정해경 ,  김일구 ,  이태미 ,  천지엔러

IPC: H04N19/625

CPC classification number: H04N19/593 ,  H04N19/625

Abstract: The present invention relates to a method and apparatus for encoding and decoding an image, and more specifically, to a method and apparatus for encoding and decoding an image by converting the image of a pixel domain to coefficients of a frequency domain. Disclosed are the method and apparatus for encoding the image by converting multiple prediction units as a single unit into the frequency domain and the method and apparatus for decoding the image data encoded by the method of encoding.

Abstract translation: 本发明涉及一种用于对图像进行编码和解码的方法和装置，更具体地，涉及一种通过将像素域的图像转换成频域的系数来对图像进行编码和解码的方法和装置。 公开了通过将作为单个单元的多个预测单元转换为频域来对图像进行编码的方法和装置以及用于对通过编码方法编码的图像数据进行解码的方法和装置。

公开(公告)号：KR1020130116833A

公开(公告)日：2013-10-24

申请号：KR1020130041841

申请日：2013-04-16

Applicant: 삼성전자주식회사

Inventor： 김일구 ,  박영오

IPC: H04N19/50

CPC classification number: H04N19/136 ,  H04N19/124 ,  H04N19/172 ,  H04N19/174 ,  H04N19/463 ,  H04N19/58 ,  H04N19/70 ,  H04N19/86

Abstract: PURPOSE: A method and device for determining the reference picture set (RPS) of an image are provided to determine an RPS which is a set of reference images used for predictively decoding the current image. CONSTITUTION: An RPS determining part (101) decides whether to determine an RPS based on a delta RPS in order to determine an RPS which is a set of reference images used for predictively decoding the current image that is to be decoded. A reference RPS is one of predefined RPSs. The reference RPS is referred to in determining the RPS. The delta RPS is a difference value between the picture order count (POC) value of a reference image included in the reference RPS and the POC value of a reference image included in the RPS. The RPS determining part determines the RPS based on a result of the decision. [Reference numerals] (101) RPS determining part; (102) Signaling method determining part

Abstract translation: 目的：提供用于确定图像的参考图像集（RPS）的方法和装置，以确定作为用于预测性地解码当前图像的一组参考图像的RPS。 构成：RPS确定部分（101）基于ΔRPS来确定是否确定RPS，以便确定作为用于预测性解码要解码的当前图像的一组参考图像的RPS。 参考RPS是预定义的RPS之一。 在确定RPS时参考参考RPS。 ΔRPS是包括在参考RPS中的参考图像的图像顺序计数（POC）值与包括在RPS中的参考图像的POC值之间的差值。 RPS确定部分基于决定的结果确定RPS。 （101）RPS判定部; （102）信令方法确定部

公开(公告)号：KR1020130051466A

公开(公告)日：2013-05-20

申请号：KR1020130048514

申请日：2013-04-30

Applicant: 삼성전자주식회사

Inventor： 민정혜 ,  김일구 ,  한우진

IPC: H04N19/119 ,  H04N19/105 ,  H04N19/11 ,  H04N19/117

CPC classification number: H04N19/119 ,  H04N19/11 ,  H04N19/117 ,  H04N19/182 ,  H04N19/1883 ,  H04N19/196

Abstract: PURPOSE: A coding method of an image, a device thereof, a decoding method thereof, and a device thereof are provided to filter surrounding pixels of a current block, and to perform intra prediction for the current block by using the filtered surrounding pixels, thereby improving compression efficiency of the image. CONSTITUTION: A decoding device extracts intra prediction mode information, which is applied to a current decoding unit, from a bitstream(2020). The decoding device determines corresponding surrounding pixels among surrounding pixels, which are adjacent to the current decoding unit, and filtered surrounding pixels based on a size of the current decoding unit and the intra prediction mode(2030). The decoding device performs intra prediction for the current decoding unit based on the determined surrounding pixels and the intra prediction mode information(2040). [Reference numerals] (2010) Generate filtered surrounding pixels by filtering surrounding pixels of a current decoding unit; (2020) Extract intra prediction mode information applied to the current decoding; (2030) Select the surrounding pixels to be used for intra prediction of the current decoding unit among the filtered surrounding pixels and circle surrounding pixels; (2040) Perform the intra prediction for the current decoding unit by using an extracted prediction mode and the selected surrounding pixels; (AA) Start; (BB) End

Abstract translation: 目的：提供图像的编码方法，其装置，其解码方法及其装置，以对当前块的周围像素进行滤波，并通过使用滤波的周围像素对当前块进行帧内预测，​​从而 提高图像的压缩效率。 构成：解码装置从比特流（2020）提取应用于当前解码部的帧内预测模式信息。 解码装置基于当前解码单元的大小和帧内预测模式来确定与当前解码单元相邻的周围像素中的相应周围像素和滤波的周围像素。 解码装置基于所确定的周围像素和帧内预测模式信息，对当前解码单元进行帧内预测（2040）。 （附图标记）（2010）通过对当前解码单元的周围像素进行滤波来生成滤波周围像素; （2020）提取应用于当前解码的帧内预测模式信息; （2030）选择要用于滤波的周围像素和圆周围像素中的当前解码单元的帧内预测的周围像素; （2040）通过使用提取的预测模式和所选择的周围像素来执行当前解码单元的帧内预测; （AA）开始; （BB）结束

公开(公告)号：KR1020120080548A

公开(公告)日：2012-07-17

申请号：KR1020120002039

申请日：2012-01-06

Applicant: 삼성전자주식회사

Inventor： 이태미 ,  김일구 ,  천민수

IPC: H04N19/105 ,  H04N19/577

CPC classification number: H04N19/00569 ,  H04N19/105 ,  H04N19/119 ,  H04N19/176 ,  H04N19/46 ,  H04N19/573 ,  H04N19/577 ,  H04N19/61 ,  H04N19/96

Abstract: PURPOSE: A video prediction device for bidirectional prediction and an apparatus thereof are provided to control an encoding unit in consideration of increase of the maximum size of an encoding unit. CONSTITUTION: A reference information determination unit(12) determines reference information for indicating one or more reference images. A reference list determination unit(14) determines a reference list including a reference sequence of the reference image. A restoration image generation unit(16) generates a restoration image from a prediction error.

Abstract translation: 目的：提供一种用于双向预测的视频预测装置及其装置，以便考虑到编码单元的最大尺寸的增加来控制编码单元。 构成：参考信息确定单元（12）确定用于指示一个或多个参考图像的参考信息。 参考列表确定单元（14）确定包括参考图像的参考序列的参考列表。 恢复图像生成单元（16）从预测误差生成恢复图像。

公开(公告)号：KR1020110116025A

公开(公告)日：2011-10-24

申请号：KR1020117018510

申请日：2010-02-08

Applicant: 삼성전자주식회사

Inventor： 천민수 ,  김일구 ,  이태미

IPC: H04N19/61 ,  H04N19/122 ,  H04N19/129 ,  H04N19/119 ,  H04N19/176 ,  H04N19/46 ,  H04N19/132 ,  H04N19/14 ,  H04N19/18 ,  H04N19/103

CPC classification number: H04N19/18 ,  H04N19/119 ,  H04N19/122 ,  H04N19/129 ,  H04N19/132 ,  H04N19/14 ,  H04N19/176 ,  H04N19/46 ,  H04N19/61 ,  H04N19/103

Abstract: 입력 픽처의 소정 데이터 단위의 영상 데이터를 입력받고, 입력 데이터에 대하여 소정 주파수 영역을 위한 변환 기저를 적용하는 선택적 주파수 영역 변환, 입력 데이터가 복수 개로 분할된 데이터 소단위마다 개별적으로 선택된 변환 기저를 적용한 주파수 변환을 수행하는 데이터 소단위 변환, 및 직사각 매트릭스 및 정사각 매트릭스의 결합에 의해 축소된 직사각 변환 기저를 적용한 축소 주파수 변환 중 적어도 하나를 포함하는 저복잡도 주파수 변환을 수행하여, 입력 데이터의 소정 데이터 단위에 대한 계수를 생성하여, 입력 픽처의 소정 데이터 단위에 대하여 생성된 변환 계수를 출력하는 저복잡도 주파수 변환을 이용한 비디오 부호화 방법이 개시된다.

公开(公告)号：KR1020110083369A

公开(公告)日：2011-07-20

申请号：KR1020100003559

申请日：2010-01-14

Applicant: 삼성전자주식회사

Inventor： 민정혜 ,  이태미 ,  김일구

IPC: H04N7/24

CPC classification number: H04N19/86 ,  H04N19/105 ,  H04N19/117 ,  H04N19/119 ,  H04N19/122 ,  H04N19/139 ,  H04N19/157 ,  H04N19/159 ,  H04N19/182 ,  H04N19/395 ,  H04N19/50 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82 ,  H04N19/96

Abstract: PURPOSE: A video encoding/decoding method and apparatus thereof are provided to perform deblocking filtering in consideration of an encoding mode. CONSTITUTION: A maximum encoding division unit(110) is presently divided into an image for current picture of an image. An encoding depth determining unit(120) outputs video data by maximum encoding unit. The encoding depth determining unit determines encoding depth by selecting the depth of encoding error. An output unit(130) outputs data and encoded depth.

Abstract translation: 目的：提供视频编码/解码方法及其装置，以便考虑编码模式进行去块滤波。 构成：最大编码分割单元（110）目前被划分为图像的当前图像的图像。 编码深度确定单元（120）通过最大编码单位输出视频数据。 编码深度确定单元通过选择编码误差的深度来确定编码深度。 输出单元（130）输出数据和编码深度。

公开(公告)号：KR1020110044487A

公开(公告)日：2011-04-29

申请号：KR1020090101191

申请日：2009-10-23

Applicant: 삼성전자주식회사

Inventor： 한우진 ,  민정혜 ,  김일구

IPC: H04N7/24

CPC classification number: H04N19/124 ,  H04N19/103 ,  H04N19/105 ,  H04N19/115 ,  H04N19/117 ,  H04N19/119 ,  H04N19/122 ,  H04N19/126 ,  H04N19/13 ,  H04N19/136 ,  H04N19/146 ,  H04N19/157 ,  H04N19/167 ,  H04N19/17 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/177 ,  H04N19/18 ,  H04N19/198 ,  H04N19/30 ,  H04N19/37 ,  H04N19/44 ,  H04N19/50 ,  H04N19/61 ,  H04N19/96

Abstract: PURPOSE: A method and apparatus for encoding and decoding a video depending on a hierarchical structure of a coding unit are provided to encode and decode a video in an operation mode of a coding tool according to the size of an encoding unit in a hierarchical structure. CONSTITUTION: A video encoding apparatus comprises a maximum encoding unit splitting part(110), an encoding degree determination part(120), an output part(130) and a reception part. The maximum encoding unit splitting part splits a current picture based on the maximum encoding unit which is the maximum encoding unit for the current picture. The encoding degree determination part determines an encoding degree by selecting the degree which has minimum encoding errors. The output part outputs the information on the encoding mode of each degree in bit stream format. The reception part receives and parses a bit stream for the encoded video.

Abstract translation: 目的：提供一种根据编码单元的层次结构对视频进行编码和解码的方法和装置，用于按照分层结构中的编码单元的尺寸，以编码工具的操作模式对视频进行编码和解码。 构成：视频编码装置包括最大编码单元分割部分（110），编码度确定部分（120），输出部分（130）和接收部分。 最大编码单元分割部分基于作为当前图片的最大编码单位的最大编码单位来分割当前图片。 编码度确定部通过选择具有最小编码误差的程度来确定编码度。 输出部分以比特流格式输出每个程度的编码模式的信息。 接收部分接收并解析编码视频的比特流。

公开(公告)号：KR1020110044486A

公开(公告)日：2011-04-29

申请号：KR1020090101190

申请日：2009-10-23

Applicant: 삼성전자주식회사

Inventor： 한우진 ,  민정혜 ,  김일구

IPC: H04N7/24

CPC classification number: H04N19/33 ,  H04N19/119 ,  H04N19/122 ,  H04N19/13 ,  H04N19/139 ,  H04N19/146 ,  H04N19/174 ,  H04N19/176 ,  H04N19/43 ,  H04N19/436 ,  H04N19/44 ,  H04N19/46 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70 ,  H04N19/82 ,  H04N19/86

Abstract: PURPOSE: A method and apparatus for decoding a video by individual parsing or decoding in a data unit level, and a method and apparatus for encoding a video for individual parsing or decoding in the data unit level are provided to extract encoded video data and encoded information by parsing a bit stream based on individual parsing in a data unit level. CONSTITUTION: A video encoding apparatus comprises a maximum encoding unit splitting part(110), an encoding degree determination part(120) and an output part. The maximum encoding unit splitting part splits a current picture based on the maximum encoding unit which is the maximum encoding unit for the current picture. The encoding degree determination part determines an encoding degree by selecting the degree which has minimum encoding errors. The output part outputs the information on the encoding mode of each degree in bit stream format.

Abstract translation: 目的：提供一种在数据单元级别中通过单独解析或解码来对视频进行解码的方法和装置，以及用于对数据单元级别中的各个解析或解码的视频进行编码的方法和装置，以提取编码的视频数据和编码信息 通过基于数据单元级别中的单独解析来解析比特流。 构成：视频编码装置包括最大编码单元分割部分（110），编码度确定部分（120）和输出部分。 最大编码单元分割部分基于作为当前图片的最大编码单位的最大编码单位来分割当前图片。 编码度确定部通过选择具有最小编码误差的程度来确定编码度。 输出部分以比特流格式输出每个程度的编码模式的信息。