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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
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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
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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
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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
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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
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Patent Agency Ranking
公开(公告)号：KR1020120139642A
公开(公告)日：2012-12-27
申请号：KR1020120130490
申请日：2012-11-16
Applicant: 한국전자통신연구원
IPC: H04N19/105 , H04N19/11
CPC classification number: H04N19/105 , H04N19/11 , H04N19/157 , H04N19/176 , H04N19/46 , H04N19/503 , H04N19/593
Abstract: PURPOSE: An adaptive image encoding device and a method thereof are provided to improve the performance of image compression by adaptively selecting an encoding parameter. CONSTITUTION: An adaptive image encoding device determines a reference block for encoding a current block(S110). The adaptive image encoding device determines an encoding parameter of the reference block(S120). The adaptive image encoding device determines a characteristic of the reference block(S130). The adaptive image encoding device adaptively encodes the current block by using the encoding parameter(S140). [Reference numerals] (AA) Start; (BB) End; (S110) Determining a reference block; (S120) Determining a encoding parameter of the reference block; (S130) Determining a feature of the reference block; (S140) Encoding an encoding target block
Abstract translation: 目的：提供自适应图像编码装置及其方法，以通过自适应地选择编码参数来提高图像压缩的性能。 构成：自适应图像编码装置确定用于对当前块进行编码的参考块（S110）。 自适应图像编码装置确定参考块的编码参数（S120）。 自适应图像编码装置确定参考块的特性（S130）。 自适应图像编码装置通过使用编码参数自适应地编码当前块（S140）。 （附图标记）（AA）开始; （BB）结束; （S110）确定参考块; （S120）确定参考块的编码参数; （S130）确定参考块的特征; （S140）对编码对象块进行编码
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公开(公告)号：KR1020110073257A
公开(公告)日：2011-06-29
申请号：KR1020100121200
申请日：2010-12-01
Applicant: 한국전자통신연구원
CPC classification number: H04N19/52 , H04N19/172 , H04N19/176 , H04N19/513
Abstract: PURPOSE: An image encoding/decoding apparatus and a method thereof are provided to effectively predict an MV in the compression and encoding of an image. CONSTITUTION: In case the arbitrary MV(Motion Vector) of a current block is predicted within an image, an MV prediction unit(100) performs the prediction of the MV with at least one of the vector information of an MV corresponding to a peripheral block and the vector information of the previous MV of the current block. Difference decision units(201,202) decide difference information about the MV of the current block on the basis of the predicted MV and the actual MV of the current block.
Abstract translation: 目的：提供图像编码/解码装置及其方法，以有效地预测图像的压缩和编码中的MV。 构成：在图像内预测当前块的任意MV（运动矢量）的情况下，MV预测单元（100）使用对应于周边块的MV的向量信息中的至少一个来执行MV的预测 以及当前块的先前MV的矢量信息。 差分决定单元（201,202）基于预测MV和当前块的实际MV来决定当前块的MV的差分信息。
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公开(公告)号：KR1020110068793A
公开(公告)日：2011-06-22
申请号：KR1020100050037
申请日：2010-05-28
Applicant: 한국전자통신연구원
IPC: H04N19/11 , H04N19/174 , H04N19/51
Abstract: PURPOSE: An image encoding/decoding apparatus and method thereof are provided to efficiently predict an encoding parameter from a block within a slide in which a target block is included and to increase image compression performance. CONSTITUTION: A control unit determines a reference block for the prediction of an in-screen encoding parameter(S210). The control unit predicts the encoding parameter through the encoding parameter of the reference block(S220). The control unit performs entropy encoding about the encoding parameter through the encoding parameter of the reference block(S230).
Abstract translation: 目的：提供一种图像编码/解码装置及其方法，用于从包含目标块的幻灯片内的块中有效地预测编码参数，并增加图像压缩性能。 构成：控制单元确定用于预测屏幕内编码参数的参考块（S210）。 控制单元通过参考块的编码参数预测编码参数（S220）。 控制单元通过参考块的编码参数执行关于编码参数的熵编码（S230）。
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公开(公告)号：KR1020110068792A
公开(公告)日：2011-06-22
申请号：KR1020100050034
申请日：2010-05-28
Applicant: 한국전자통신연구원
CPC classification number: H04N19/105 , H04N19/11 , H04N19/157 , H04N19/176 , H04N19/46 , H04N19/503 , H04N19/593
Abstract: PURPOSE: An adaptive image encoding apparatus and method thereof are provided to adaptively select an encoding parameter of an encoding target block from a reference block and to increase image compression performance. CONSTITUTION: A control unit determines a reference block for the coding of a current block(S110). The control unit determines an encoding parameter of the reference block(S120). The control unit determines the property of the reference block based on the encoding parameter of the reference block(S130). The control unit encodes the current block through a determined encoding parameter(S140).
Abstract translation: 目的：提供一种自适应图像编码装置及其方法，用于从参考块自适应地选择编码目标块的编码参数并增加图像压缩性能。 构成：控制单元确定用于当前块的编码的参考块（S110）。 控制单元确定参考块的编码参数（S120）。 控制单元基于参考块的编码参数确定参考块的属性（S130）。 控制单元通过确定的编码参数对当前块进行编码（S140）。
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公开(公告)号：KR1020100112247A
公开(公告)日：2010-10-19
申请号：KR1020090030661
申请日：2009-04-09
Applicant: 한국전자통신연구원
IPC: H04N19/11
CPC classification number: H04N19/11 , H04N19/176
Abstract: PURPOSE: An apparatus and a method for predicting most probable mode in an intra prediction system using prediction mode information are provided to improve encoding efficiency and reduce the bit rate. CONSTITUTION: A peripheral block read unit(402) reads each prediction mode and a corresponding location with a current block. A weighted value allocation unit(404) uses a relative weighted value in consideration of the relative position of the current block and the weighted value is assigned to the peripheral block each prediction mode.
Abstract translation: 目的：提供一种使用预测模式信息预测帧内预测系统中最可能模式的装置和方法，以提高编码效率并降低比特率。 构成：外围块读取单元（402）读取每个预测模式和与当前块相对应的位置。 加权值分配单元（404）考虑到当前块的相对位置使用相对加权值，并且将加权值分配给外围块每个预测模式。
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