-
公开(公告)号：KR101424222B1
公开(公告)日：2014-07-30
申请号：KR1020130060132
申请日：2013-05-28
Applicant: 한국전자통신연구원
IPC: H04N19/59
CPC classification number: H04N19/52 , H04N19/172 , H04N19/176 , H04N19/513
Abstract: 본 발명에 의하면, 영상의 부호화 장치에 있어서, 영상 내 현재 블록의 임의의 움직임 벡터를 예측할 때, 주변 블록에 대응하는 움직임 벡터의 벡터 정보, 현재 블록의 이전움직임 벡터의 벡터 정보 중 하나 이상을 이용하여 상기 예측을 수행하는 움직임 벡터 예측부와, 상기 움직임 벡터 예측부에 의해 예측된 움직임 벡터 및 상기 현재 블록의 실제 움직임 벡터를 기초로 현재 블록의 움직임 벡터에 대한 차분 정보를 결정하는 차분 결정부를 포함하는 영상의 부호화 장치를 제공할 수 있다.
-
公开(公告)号：KR101371064B1
公开(公告)日：2014-03-10
申请号：KR1020120064503
申请日：2012-06-15
Applicant: 한국전자통신연구원
Abstract: 방송 신호 전송 방법에서, 방송 서비스의 타입이 2차원 방송 서비스인지 좌우 영상에 따른 3차원 방송 서비스인지를 나타내는 타입 정보를 포함하는 디스크립터를 가진 프로그램 맵 테이블(program map table, PMT) 및 상기 방송 서비스에 대한 영상 데이터를 다중화한 스트림이 출력되고, 출력된 스트림이 전송된다.
-
公开(公告)号：KR101356439B1
公开(公告)日：2014-02-05
申请号：KR1020110100675
申请日：2011-10-04
IPC: H04N7/24
CPC classification number: H04N19/44 , H04N19/18 , H04N19/46 , H04N19/593 , H04N19/60 , H04N19/64 , H04N19/70
Abstract: 두개의 후보 화면 내 예측 모드를 이용한 화면 내 예측 모드의 부/복호화 방법 및 이러한 방법을 사용하는 장치가 개시되어있다. 화면 내 예측 모드 복호화 방법은 1 비트 정보를 기초로 현재 예측 단위의 화면 내 예측 모드가 제1 후보 화면 내 예측 모드 또는 제2 후보 화면 내 예측 모드와 동일한지 여부를 판단하는 단계와 현재 예측 단위의 화면 내 예측 모드가 제1 후보 화면 내 예측 모드 또는 제2 후보 화면 내 예측 모드 중 적어도 하나와 동일한 경우, 추가의 1 비트 정보를 기초로 상기 현재 예측 단위의 화면 내 예측 모드가 상기 제1 후보 화면 내 예측 모드와 상기 제2 후보 화면 내 예측 모드 중 어떠한 후보 화면 내 예측 모드와 동일한지 여부를 판단하여 현재 예측 단위의 화면 내 예측 모드를 복호화하는 단계를 포함할 수 있다. 따라서, 부/복호화 효율을 높이고 복잡도를 감소시킬 수 있다.
-
公开(公告)号：KR1020130110128A
公开(公告)日：2013-10-08
申请号：KR1020130109465
申请日：2013-09-12
Applicant: 한국전자통신연구원
IPC: H04N19/59
CPC classification number: H04N19/00024 , H04N19/105 , H04N19/11 , H04N19/119 , H04N19/122 , H04N19/146 , H04N19/176 , H04N19/40 , H04N19/46 , H04N19/61 , H04N19/70 , H04N19/91 , H04N19/59
Abstract: PURPOSE: An intra-encoding and intra-decoding method and a device thereof are provided to use a super macro block based intra-encoding method and a device which is not used in existing intra-encoding. CONSTITUTION: An intra-encoding and intra-decoding device includes an intra-prediction unit (930) which determines to divide a first block into four second blocks, and performs intra-prediction for the first block or the four second blocks based on the determination; a transcoding unit (950) which performs transcoding for a differential block generated based on an intra-prediction result; a quantizer (960) which quantizes the output of the transcoding unit; and an entropy encoder (970) which produces bitstream by performing entropy encoding for the output of the quantizer. [Reference numerals] (910) Motion prediction unit; (920) Motion compensation unit; (930) Intra-prediction unit; (950) Transcoding unit; (960) Quantizer; (970) Entropy encoder; (AA) Super macro block or m macro blocks; (BB) Reference block; (CC) Bit stream
Abstract translation: 目的：提供帧内编码和帧内解码方法及其装置，以使用基于超宏块的帧内编码方法和不用于现有帧内编码的装置。 内部编码和帧内解码装置包括帧内预测单元（930），其确定将第一块划分为四个第二块，并且基于该确定对第一块或第四块进行帧内预测 ; 对基于帧内预测结果生成的差分块执行代码转换的代码转换单元（950）; 量化器（960），其对所述代码转换单元的输出进行量化; 以及通过对量化器的输出执行熵编码来产生比特流的熵编码器（970）。 （附图标记）（910）运动预测单元; （920）运动补偿单元; （930）预测内部单元; （950）代码转换单元; （960）量化器; （970）熵编码器; （AA）超宏块或m宏块; （BB）参考块; （CC）位流
-
公开(公告)号：KR1020130110124A
公开(公告)日：2013-10-08
申请号：KR1020130109449
申请日：2013-09-12
Applicant: 한국전자통신연구원
IPC: H04N19/59
CPC classification number: H04N19/107 , H04N19/105 , H04N19/109 , H04N19/11 , H04N19/13 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/1887 , H04N19/196 , H04N19/50 , H04N19/52 , H04N19/521 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/91
Abstract: PURPOSE: The present invention is to provide an image encoding method and apparatus capable of improving efficiency of encoding/decoding of image, an image decoding method and apparatus, an intra prediction method and apparatus, an intra prediction mode encoding method and apparatus and an intra prediction mode decoding method and apparatus. CONSTITUTION: An image encoding apparatus comprises, a prediction part which determines an intra prediction mode for a unit to be encoded, derives peripheral prediction mode information from a left peripheral prediction mode and an upper peripheral prediction mode and encodes the intra prediction mode for the unit to be encoded by using the derived peripheral prediction information, wherein the left peripheral prediction mode is an intra prediction mode of a left peripheral unit adjacent to the left of the unit to be encoded, the upper peripheral prediction mode is an intra prediction mode of an upper peripheral unit adjacent to the upper side of the unit to be encoded, and the peripheral prediction mode information comprises a mode number of the left peripheral prediction mode and a mode number of the upper peripheral prediction mode. [Reference numerals] (S1310) Peripheral prediction mode information estimation; (S1320) Intra prediction mode decoding using the peripheral prediction mode information
Abstract translation: 目的：提供一种能够提高图像编码/解码效率的图像编码方法和装置，图像解码方法和装置，帧内预测方法和装置，帧内预测模式编码方法和装置以及帧内预测方法 预测模式解码方法和装置。 构成：图像编码装置包括：确定要编码的单元的帧内预测模式的预测部，从左周边预测模式和上周期预测模式导出周边预测模式信息，并对该单元的帧内预测模式进行编码 通过使用导出的外围预测信息进行编码，其中左周边预测模式是与要编码的单位的左侧相邻的左侧周边单元的帧内预测模式，上部周围预测模式是帧内预测模式 与要编码的单元的上侧相邻的上周边单元，并且周边预测模式信息包括左周预测模式的模式号和上周期预测模式的模式号。 （附图标记）（S1310）外围预测模式信息估计; （S1320）使用周边预测模式信息的帧内预测模式解码
-
Patent Agency Ranking
公开(公告)号：KR1020130106342A
公开(公告)日：2013-09-27
申请号：KR1020130109467
申请日：2013-09-12
Applicant: 한국전자통신연구원
IPC: H04N19/593 , H04N19/176 , H04N19/46 , H04N19/61 , H04N19/91 , H04N19/124 , H04N19/13 , H04N19/119 , H04N19/122 , H04N19/105 , H04N19/174
CPC classification number: H04N19/00024 , H04N19/105 , H04N19/11 , H04N19/119 , H04N19/122 , H04N19/146 , H04N19/176 , H04N19/40 , H04N19/46 , H04N19/61 , H04N19/70 , H04N19/91 , H04N19/593 , H04N19/124 , H04N19/13 , H04N19/174
Abstract: PURPOSE: An image encoding method and a computer-readable recording medium are provided to use a super macro block for an intra-encoding process, thereby improving an encoding performance. CONSTITUTION: An image encoding device includes a motion predictor (910), a motion compensator (920), an intra-predictor (930), a coupler (940), a conversion encoder (950), a quantizer (960), and an entropy encoder (970). The intra-predictor receives a super macro block with a size of 16nx16n (n is a natural number over two), and implements intra-prediction on the super macro block. The coupler obtains a difference between a predicted block generated by the intra-predictor and the super macro block, and then generates a differential block. [Reference numerals] (910) Motion predictor; (920) Motion compensator; (930) Intra-predictor; (950) Conversion encoder; (960) Quantizer; (970) Entropy encoder; (AA) Super macro block or m macro blocks; (BB) Reference block; (CC) Bit stream
Abstract translation: 目的：提供图像编码方法和计算机可读记录介质，以使用超宏块进行内编码处理，从而提高编码性能。 构成：图像编码装置包括运动预测器（910），运动补偿器（920），预测器内（930），耦合器（940），转换编码器（950），量化器（960）和 熵编码器（970）。 内部预测器接收大小为16n×16n的超宏块（n为2以上的自然数），并在超宏块上实现帧内预测。 耦合器获得由预测器产生的预测块与超宏块之间的差，然后生成差分块。 （参考数字）（910）运动预测器; （920）运动补偿器; （930）预测因子; （950）转换编码器; （960）量化器; （970）熵编码器; （AA）超宏块或m宏块; （BB）参考块; （CC）位流
-
公开(公告)号：KR1020130062973A
公开(公告)日：2013-06-13
申请号：KR1020130060132
申请日：2013-05-28
Applicant: 한국전자통신연구원
IPC: H04N19/59
CPC classification number: H04N19/52 , H04N19/172 , H04N19/176 , H04N19/513
Abstract: PURPOSE: An encoding/decoding device and a method thereof for predicting an arbitrary motion vector are provided to consider a motion vector of a neighboring vector and a previous motion vector by scaling vector information of a motion vector of a neighboring vector and a previous motion vector. CONSTITUTION: When predicting an arbitrary motion vector in a current block within an image, the prediction is performed by using vector information of a motion vector corresponding to a neighboring vector and vector information of a previous motion vector of a current vector(S10). A differential determination unit determines differential information with respect to a motion vector of the current block based on the motion vector predicted by a motion vector prediction unit and an actual motion vector of the current block(S20). [Reference numerals] (AA) Start; (BB) Finish; (S10) Current vector; (S20) Current block
Abstract translation: 目的：提供一种用于预测任意运动矢量的编码/解码装置及其方法，通过缩放相邻矢量和先前运动矢量的运动矢量的矢量信息来考虑相邻矢量和先前运动矢量的运动矢量 。 构成：当预测图像内的当前块中的任意运动矢量时，通过使用与相邻矢量相对应的运动矢量的矢量信息和当前矢量的先前运动矢量的向量信息来执行预测（S10）。 差分确定单元基于由运动矢量预测单元预测的运动矢量和当前块的实际运动矢量来确定关于当前块的运动矢量的差分信息（S20）。 （附图标记）（AA）开始; （BB）完成; （S10）电流矢量; （S20）当前块
-
公开(公告)号：KR1020130062972A
公开(公告)日：2013-06-13
申请号：KR1020130060131
申请日：2013-05-28
Applicant: 한국전자통신연구원
IPC: H04N19/59
CPC classification number: H04N19/52 , H04N19/172 , H04N19/176 , H04N19/513
Abstract: PURPOSE: An encoding/decoding device and a method thereof for predicting an arbitrary motion vector are provided to consider a motion vector of a neighboring vector and a previous motion vector by scaling vector information of a motion vector of a neighboring vector and a previous motion vector. CONSTITUTION: When predicting an arbitrary motion vector in a current block within an image, the prediction is performed by using one or more vector information of a motion vector corresponding to a neighboring vector and vector information of a previous motion vector of a current vector(S10). The motion vector of the current block is calculated by adding a predicted motion vector based on differential information of the current block(S20). [Reference numerals] (AA) Start; (BB) Finish; (S10) Current vector; (S20) Current block
Abstract translation: 目的：提供一种用于预测任意运动矢量的编码/解码装置及其方法，通过缩放相邻矢量和先前运动矢量的运动矢量的矢量信息来考虑相邻矢量和先前运动矢量的运动矢量 。 构成：当预测图像内的当前块中的任意运动矢量时，通过使用与相邻矢量相对应的运动矢量的一个或多个矢量信息和当前矢量的先前运动矢量的矢量信息（S10 ）。 通过根据当前块的差分信息相加预测的运动矢量来计算当前块的运动矢量（S20）。 （附图标记）（AA）开始; （BB）完成; （S10）电流矢量; （S20）当前块
-
公开(公告)号：KR1020130056272A
公开(公告)日：2013-05-29
申请号：KR1020130055777
申请日：2013-05-16
Applicant: 한국전자통신연구원
IPC: H04N7/24
CPC classification number: H04N19/184 , H04N19/13
Abstract: PURPOSE: An encoding and decoding method using adaptive bit depth reduction and a device thereof are provided to prevent an image from being encoded at an excessive bit depth by adaptively selecting and performing bit depth reduction by macro block unit. CONSTITUTION: An encoding device includes a bit depth control unit(110), a bit depth reducing unit(120), a bit depth quantization unit(130), and a bit depth increasing unit(140). When the bit depth control unit determines the bit depth reduction of an input signal, the bit depth reducing unit reduces a bit depth of the input signal. The bit depth reducing unit shifts the bit depth as much as a selected value to reduce the bit depth or reduces the bit depth by using a mapping table. [Reference numerals] (110) Bit depth control unit; (120) Bit depth reducing unit; (130) Bit depth quantization unit; (140) Bit depth increasing unit; (AA) Input video signal; (BB) Infra-frame prediction; (CC) Motion correction; (DD) Motion estimation; (EE) Conversion; (FF) De-blocking filter; (GG) Entropy encoding
Abstract translation: 目的：提供一种使用自适应比特深度减少的编码和解码方法及其装置，以通过以宏块单位自适应地选择和执行比特深度降低来防止图像被编码在过度比特深度。 构成：编码装置包括比特深度控制单元（110），比特深度减少单元（120），比特深度量化单元（130）和比特深度增加单元（140）。 当位深度控制单元确定输入信号的位深度降低时，位深度降低单元减小输入信号的位深度。 比特深度减少单元将比特深度移动到选择的值以减少比特深度或通过使用映射表来减少比特深度。 （附图标记）（110）位深度控制单元; （120）位深度减少单元; （130）比特深度量化单元; （140）位深度增加单位; （AA）输入视频信号; （BB）帧内预测; （CC）运动校正; （DD）运动估计; （EE）转换; （FF）去块过滤器; （GG）熵编码
-
公开(公告)号：KR1020130055773A
公开(公告)日：2013-05-29
申请号：KR1020110121379
申请日：2011-11-21
Applicant: 한국전자통신연구원
IPC: H04N19/105 , H04N19/103 , H04N19/50
CPC classification number: H04N19/00266 , H04N19/105 , H04N19/139 , H04N19/146 , H04N19/159 , H04N19/172
Abstract: PURPOSE: A coding method and device are provided to determine coding removal, thereby efficiently reducing calculation complexity. CONSTITUTION: A coding device collects at least one of coding information of a reference unit or coding information of an upper unit(510). The coding device determines removal of a prediction coding process for a current coding unit or a current prediction unit and performs prediction coding(520). [Reference numerals] (510) Collect coding information of a reference unit or an upper unit; (520) Determine the omission of a coding process for a coding unit or a prediction unit by using the collected coding information and perform a prediction coding process; (AA) Start; (BB) End
Abstract translation: 目的：提供编码方法和装置，以确定编码移除，从而有效降低计算复杂度。 构成：编码装置收集参考单元的编码信息或上位单元（510）的编码信息中的至少一个。 编码装置确定对当前编码单位或当前预测单元的预测编码处理的去除，并执行预测编码（520）。 （附图标记）（510）收集参考单元或上位单元的编码信息; （520）通过使用所收集的编码信息确定编码单元或预测单元的编码处理的省略并执行预测编码处理; （AA）开始; （BB）结束
-
-
-
-
-
-
-
-
-
Search Results
512
records
(took 0.032 seconds)
