인트라 예측 모드 부호화/복호화 방법 및 장치
    34.
    发明公开
    인트라 예측 모드 부호화/복호화 방법 및 장치 有权
    编码/解码内部预测模式的方法及其装置

    公开(公告)号:KR1020160055767A

    公开(公告)日:2016-05-18

    申请号:KR1020160055701

    申请日:2016-05-04

    Abstract: 인트라예측모드부호화및 복호화방법, 그리고영상복호화장치및 영상부호화장치가개시된다. 상기인트라예측모드복호화방법은현재예측단위에인접한주변예측단위로부터 MPM(Most Probable Mode)을도출하는단계및 상기도출된 MPM 중상기현재예측단위의인트라예측모드와동일한예측모드를가지는 MPM이존재하는지여부를지시하는 MPM 플래그를기반으로상기현재예측단위의인트라예측모드를도출하는단계를포함한다.

    Abstract translation: 公开了一种用于帧内预测模式的编码/解码的方法,用于对图像进行解码的装置以及用于编码图像的装置。 根据本发明,该方法包括:从与当前预测单元相邻的周围预测单元中引入最可能模式(MPM)的步骤; 以及基于指示在所述诱导的MPM中是否存在具有与当前预测单元的帧内预测模式相同的预测模式的MPM的MPM标志来诱导当前预测单元的帧内预测模式的步骤。 本发明提供一种用于以增强的图像编码/解码效率对图像进行编码/解码的方法。

    예측 움직임 벡터 유도 방법 및 이러한 방법을 사용하는 장치
    36.
    发明公开
    예측 움직임 벡터 유도 방법 및 이러한 방법을 사용하는 장치 审中-实审
    运动矢量预测方法和使用该方法的装置

    公开(公告)号:KR1020130113400A

    公开(公告)日:2013-10-15

    申请号:KR1020130105562

    申请日:2013-09-03

    Abstract: PURPOSE: A predicted motion vector inducing method and a device using the method are provided to compose a candidate predicted vector list and calculate a predicted motion vector. CONSTITUTION: A plurality of spatial candidate predicted motion vector related information from the peripheral predicted block of a prediction target block is determined. Time candidate predicted motion vector related information is determined based on the plurality of spatial candidate predicted motion vector related information. A candidate predicted motion vector list is configured, based on the spatial candidate predicted motion vector related information and the time candidate predicted motion vector related information (S1200). [Reference numerals] (AA) Start; (BB) End; (S1200) Calculate a predicted motion vector list of a candidate; (S1210) Draw a predicted motion vector of a predicted block based on the predicted motion vector list of a candidate

    Abstract translation: 目的:提供一种预测运动矢量诱导方法和使用该方法的装置,以组成候选预测向量列表并计算预测的运动矢量。 构成:确定来自预测对象块的外围预测块的多个空间候选预测运动矢量相关信息。 基于多个空间候选预测运动矢量相关信息来确定时间候选预测运动矢量相关信息。 基于空间候选预测运动矢量相关信息和时间候选预测运动矢量相关信息来配置候选预测运动矢量列表(S1200)。 (附图标记)(AA)开始; (BB)结束; (S1200)计算候选的预测运动矢量列表; (S1210)基于预测的候选者的运动矢量列表绘制预测块的预测运动矢量

    인트라 예측 모드 부호화/복호화 방법 및 장치
    37.
    发明公开
    인트라 예측 모드 부호화/복호화 방법 및 장치 有权
    编码/解码内部预测模式的方法及其装置

    公开(公告)号:KR1020130088079A

    公开(公告)日:2013-08-07

    申请号:KR1020130010488

    申请日:2013-01-30

    Abstract: PURPOSE: An intra prediction mode encoding/decoding method and an apparatus thereof are provided to derive a most probable mode (MPM) from a peripheral prediction unit during the encoding/decoding of an intra prediction mode, and perform alignment operation according to the presence of an MPM having the same prediction mode as the intra prediction mode of a current prediction unit among the derived MPMs, thereby reducing the computational complexity of an image encoder/decoder. CONSTITUTION: If there is an MPM having the same prediction mode as the intra prediction mode of a current prediction unit among MPMs derived from a peripheral prediction unit adjacent to the current prediction unit, an encoder and/or decoder encodes and/or decodes an index indicating which MPM is identical to the intra prediction mode of the current prediction unit (S1010~S1030). If not so, the encoder and/or decoder align the derived MPMs based on the mode value of the MPM. By using a residual intra prediction mode, the intra prediction mode of the current prediction unit is encoded and/or decoded (S1040,S1050). [Reference numerals] (S1010) Derive MPMs from a peripheral prediction unit; (S1020) Intra prediction mode of a current prediction unit (Intramode) == MPM ? (prev_intra_luma_pred_flag encode / decode); (S1030) mpm_idx encode / decode; (S1040) Realign MPM by min/max(sorting operation); (S1050) Rem_intra_luma_pred_mode encode / decode

    Abstract translation: 目的:提供帧内预测模式编码/解码方法及其装置,以在帧内预测模式的编码/解码期间从外围预测单元导出最可能模式(MPM),并根据存在 MPM具有与导出的MPM中的当前预测单元的帧内预测模式相同的预测模式,从而降低图像编码器/解码器的计算复杂度。 构成:如果从与当前预测单元相邻的外围预测单元导出的MPM中存在与当前预测单元的帧内预测模式相同的预测模式的MPM,则编码器和/或解码器对索引进行编码和/或解码 指示哪个MPM与当前预测单元的帧内预测模式相同(S1010〜S1030)。 如果不是这样,编码器和/或解码器基于MPM的模式值对准导出的MPM。 通过使用残差帧内预测模式,对当前预测单元的帧内预测模式进行编码和/或解码(S1040,S1050)。 (附图标记)(S1010)来自外围预测单元的MPM导出; (S1020)当前预测单元的帧内预测模式(Intramode)== MPM? (prev_intra_luma_pred_flag encode / decode); (S1030)mpm_idx编码/解码; (S1040)以最小/最大重新排列MPM(排序操作); (S1050)Rem_intra_luma_pred_mode编码/解码

    영상 부호화/복호화 방법 및 그 장치
    38.
    发明公开
    영상 부호화/복호화 방법 및 그 장치 审中-实审
    图像编码/解码方法及其设备

    公开(公告)号:KR1020130030240A

    公开(公告)日:2013-03-26

    申请号:KR1020120102763

    申请日:2012-09-17

    CPC classification number: H04N19/13 H04N19/103 H04N19/119 H04N19/184

    Abstract: PURPOSE: An image encoding/decoding method and a device thereof are provided to improve image decoding efficiency by performing a combination decoding process for a plurality of syntax element values corresponding to the same syntax element or different syntax elements. CONSTITUTION: An decoder performs entropy decoding for information about a combination-encoded syntax element(S810). The decoder obtains encoding information corresponding to decoding information based on the information about the combination-encoded syntax element(S820). The decoder generates a restoration block corresponding to a decoding target block based on the obtained encoding information(S830). [Reference numerals] (S810) Decoding entropy; (S820) Obtaining decoding information; (S830) Generating a restoration block based on the decoding information

    Abstract translation: 目的:提供一种图像编码/解码方法及其装置,以通过对与相同语法元素或不同语法元素对应的多个语法元素值执行组合解码处理来提高图像解码效率。 构成:解码器对于组合编码语法元素的信息执行熵解码(S810)。 解码器基于关于组合编码语法元素的信息获得与解码信息相对应的编码信息(S820)。 解码器基于获得的编码信息生成与解码目标块相对应的恢复块(S830)。 (参考标号)(S810)解码熵; (S820)获取解码信息; (S830)基于解码信息生成恢复块

    움직임 벡터 예측기를 이용한 움직임 벡터 부호화/복호화 방법 및 장치
    39.
    发明公开
    움직임 벡터 예측기를 이용한 움직임 벡터 부호화/복호화 방법 및 장치 无效
    使用运动矢量预测器的运动矢量编码/解码的方法和装置

    公开(公告)号:KR1020130030181A

    公开(公告)日:2013-03-26

    申请号:KR1020120005916

    申请日:2012-01-18

    Abstract: PURPOSE: A method for encoding and decoding a motion vector by using a motion vector predictor and a device thereof are provided to increase encoding efficiency by efficiently encoding and decoding the motion vector. CONSTITUTION: When an MV(Motion Vector) encoding/decoding device performs MV prediction, the device performs a step(0) for inducing a left MV predictor, a step(1) for inducing an upper-end MV predictor, and a step(2) for inducing a temporal MV predictor. When the three MV predictors are induced, the device checks redundancy of an MV to remove a MV predictor having the same MV from an MV predictor list. [Reference numerals] (AA) When performing motion vector prediction; (BB) [0]step of inducing a left motion vector predictor; (CC) [1]step of inducing a right motion vector predictor; (DD) [2]step of inducing a temporal motion vector predictor; (EE) Image encoding/decoding method and apparatus performing the above in parallel

    Abstract translation: 目的:提供一种通过使用运动矢量预测器及其装置对运动矢量进行编码和解码的方法,以通过有效地对运动矢量进行编码和解码来提高编码效率。 构成:当MV(运动矢量)编码/解码装置执行MV预测时,装置执行用于诱导左MV预测器的步骤(0),用于诱导上级MV预测器的步骤(1)和步骤 2)用于诱导时间MV预测器。 当感应到三个MV预测器时,器件检查MV的冗余以从MV预测器列表中移除具有相同MV的MV预测器。 (标号)(AA)进行运动矢量预测时, (BB)[0]诱导左运动矢量预测器的步骤; (CC)[1]诱导右运动矢量预测器的步骤; (DD)[2]诱导时间运动矢量预测器的步骤; (EE)并行执行上述的图像编码/解码方法和装置

    비디오 비트율 제어 방법 및 그 장치
    40.
    发明公开
    비디오 비트율 제어 방법 및 그 장치 审中-实审
    视频速率控制方法及其设备

    公开(公告)号:KR1020120096911A

    公开(公告)日:2012-08-31

    申请号:KR1020120018672

    申请日:2012-02-23

    CPC classification number: H04N19/147 H04N19/124 H04N19/149 H04N19/152

    Abstract: PURPOSE: A video bit rate control method and an apparatus thereof are provided to increase accuracy and performance of bit rate and to increase the efficiency of image encoding. CONSTITUTION: A video bit rate controller determines target bit quantity of a current frame by using current frame type information(S430). The video bit rate controller calculates a QP(Quantization Parameter) about the current frame by applying the determined target bit quantity to a secondary rate distortion model(S450). The apparatus encodes the current frame by using the calculated QP(S490).

    Abstract translation: 目的:提供视频比特率控制方法及其装置,以提高比特率的精度和性能,并提高图像编码的效率。 构成:视频比特率控制器通过使用当前帧类型信息来确定当前帧的目标比特数量(S430)。 视频比特率控制器通过将确定的目标比特量应用于二次速率失真模型来计算关于当前帧的QP(量化参数)(S450)。 该装置通过使用所计算的QP编码当前帧(S490)。

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