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公开(公告)号：KR101801903B1
公开(公告)日：2017-11-27
申请号：KR1020160055701
申请日：2016-05-04
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N19/593 , H04N19/11 , H04N19/105 , H04N19/119 , H04N19/13
CPC classification number: H04N19/157 , H04N19/11 , H04N19/176 , H04N19/198 , H04N19/593 , H04N19/70
Abstract: 인트라예측모드부호화및 복호화방법, 그리고영상복호화장치및 영상부호화장치가개시된다. 상기인트라예측모드복호화방법은현재예측단위에인접한주변예측단위로부터 MPM(Most Probable Mode)을도출하는단계및 상기도출된 MPM 중상기현재예측단위의인트라예측모드와동일한예측모드를가지는 MPM이존재하는지여부를지시하는 MPM 플래그를기반으로상기현재예측단위의인트라예측모드를도출하는단계를포함한다.
Abstract translation: 帧内预测模式编码和解码方法，以及图像解码设备和图像编码设备。 帧内预测模式解码方法，该方法MPM存在与来自邻近于所述预测单元导出MPM（最可能模式）和相同的预测模式，所述衍生MPM当前预测单元的帧内预测模式的外围预测单元的当前 并且基于指示当前预测单元是否是帧内预测模式的MPM标记来导出当前预测单元的帧内预测模式。
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公开(公告)号：KR1020160055766A
公开(公告)日：2016-05-18
申请号：KR1020160055697
申请日：2016-05-04
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N19/593 , H04N19/11 , H04N19/105 , H04N19/119 , H04N19/13
CPC classification number: H04N19/157 , H04N19/11 , H04N19/176 , H04N19/198 , H04N19/593 , H04N19/70
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。
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公开(公告)号：KR1020130110122A
公开(公告)日：2013-10-08
申请号：KR1020130105559
申请日：2013-09-03
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
CPC classification number: H04N19/56 , H04N19/105 , H04N19/13 , H04N19/139 , H04N19/176 , H04N19/513 , H04N19/52 , H04N19/593 , H04N19/70
Abstract: PURPOSE: A prediction motion vector inducing method and an apparatus using the same are provided to present a vector list configuration method of a candidate prediction motion to improve video encoding/decoding efficiency. CONSTITUTION: A video encoding device (100) includes an entropy encoder (150) which encodes the information about a prediction motion vector used to predict the gap of a prediction object block between candidate prediction motions which are included in a candidate prediction motion vector list, and prediction units (111,120) which create a vector list of the candidate prediction motions by determining the information about a time-based candidate prediction motion vector based on the information about multiple spatial candidate prediction motion vectors. [Reference numerals] (111) Movement prediction unit; (112) Movement compensation unit; (120) Intra prediction unit; (130) Conversion unit; (140) Quantization unit; (150) Entropy encoder; (160) Dequantization unit; (170) Inverse transformation unit; (180) Filter unit; (190) Reference image buffer; (AA) Input image; (BB) Inter; (CC) Intra; (DD) Bit stream
Abstract translation: 目的：提供一种预测运动矢量诱导方法及其使用装置，以提供候选预测运动的矢量列表配置方法，以提高视频编码/解码效率。 视频编码装置（100）包括熵编码器（150），其编码关于预测运动矢量的信息，所述预测运动矢量用于预测候选预测运动矢量列表中包括的候选预测运动之间的预测对象块的间隙， 以及基于关于多个空间候选预测运动矢量的信息确定关于基于时间的候选预测运动矢量的信息来创建候选预测运动的向量列表的预测单元（111,120）。 （附图标记）（111）运动预测单元; （112）运动补偿单位; （120）内部预测单元; （130）转换单位; （140）量化单位; （150）熵编码器; （160）去量化单元; （170）逆变换单元; （180）过滤单元; （190）参考图像缓冲器; （AA）输入图像; （BB）国际; （CC）内 （DD）位流
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公开(公告)号：KR1020160031061A
公开(公告)日：2016-03-22
申请号：KR1020110131077
申请日：2011-12-08
Applicant: 한국항공대학교산학협력단
IPC: H04N19/00
CPC classification number: H04N19/80 , H04N19/187 , H04N19/30
Abstract: 본발명은스케일러블비디오코딩에사용되는적응적루프필터를적용하는방법에관한것이다. 그방법은기초계층에대해수행될 ALF 방식을결정하는단계; 상기결정된방식에따라상기기초계층에대한필터링을수행하는단계; 및상기기초계층에대해결정된 ALF 방식을이용하여향상계층에대한필터링을수행하는단계를포함한다.
Abstract translation: 本发明涉及一种应用可伸缩视频编码中使用的自适应环路滤波器（ALF）的方法。 该方法包括以下步骤：确定要对基层执行的ALF模式; 根据确定的模式对基层进行滤波; 以及通过使用为基本层确定的ALF模式来过滤增强层。 因此，该方法可以提高编码/解码效率。
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公开(公告)号：KR101347263B1
公开(公告)日：2014-01-10
申请号：KR1020120062061
申请日：2012-06-11
Applicant: 한국항공대학교산학협력단
IPC: H04N19/50
Abstract: 본 발명은 화면간 예측에 사용되는 움직임 벡터(MV : Motion Vector) 부호화/복호화 시, 움직임 벡터와 움직임 벡터의 차이에 관한 정보를 전송하여, 부호화 효율을 향상시킬 수 있는 움직임 벡터 예측 장치 및 그 예측 방법에 관한 것에 관한 것으로, 본 발명에 따른 움직임 벡터 예측 방법은 상기 움직임벡터유도부를 이용하여, 공간적 움직임 벡터(SMVP)를 유도 시, 부호화/복호화 대상인 예측단위와 인접한 후보블록의 부호화 정보 존재 여부 및 화면내 예측블록 여부에 따른 유도조건을 설정하는 단계 및 상기 유도조건을 판별하여, 후보블록을 선택하여, MVP를 유도하는 단계를 포함하는 것을 특징으로 한다.
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Patent Agency Ranking
公开(公告)号：KR1020130138461A
公开(公告)日：2013-12-19
申请号：KR1020120062061
申请日：2012-06-11
Applicant: 한국항공대학교산학협력단
IPC: H04N19/50
CPC classification number: H04N19/50 , H04N19/139
Abstract: The present invention relates to a device and a method for predicting a motion vector (MV) capable of improving an encoding efficiency by transmitting information on the motion vector and a difference of the motion vector when encoding/decoding the motion vector used for prediction between screens. The method for predicting a motion vector according to the present invention comprises the steps of setting an inducing condition according to whether or not there is encoding information on a candidate block adjacent to a prediction unit which is a subject being encoded/decoded when inducing a spatial motion vector (SMVP) using a motion vector inducing unit and whether or not there is a prediction block in the screen; and inducing the MVP by determining the inducing condition and by selecting the candidate block. [Reference numerals] (AA) Start;(BB) End;(S100) Induce a SMVP;(S200) Induce a TMVP;(S300) Check redundancy;(S400) Limit an MVP risk size;(S500) Add a Zero MVP
Abstract translation: 本发明涉及一种用于预测运动矢量（MV）的装置和方法，该运动矢量（MV）能够通过在运动矢量之间传递信息来提高编码效率，并且在编码/解码用于屏幕之间的预测的运动矢量时运动矢量的差异 。 根据本发明的用于预测运动矢量的方法包括以下步骤：根据是否存在与作为编码/解码的对象的预测单元相邻的候选块是否存在编码信息来设置诱导条件，当诱导空间 使用运动矢量感知单元的运动矢量（SMVP）以及屏幕中是否存在预测块; 并通过确定诱导条件并通过选择候选块来诱导MVP。 引用SMVP;（S200）引导TMVP;（S300）检查冗余;（S400）限制MVP风险大小;（S500）添加零MVP
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公开(公告)号：KR101959482B1
公开(公告)日：2019-03-18
申请号：KR1020120102763
申请日：2012-09-17
Applicant: 한국항공대학교산학협력단
IPC: H04N19/13 , H04N19/184 , H04N19/119 , H04N19/103
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公开(公告)号：KR101850152B1
公开(公告)日：2018-04-24
申请号：KR1020110131077
申请日：2011-12-08
Applicant: 한국항공대학교산학협력단
IPC: H04N19/00
Abstract: 본발명은스케일러블비디오코딩에사용되는적응적루프필터를적용하는방법에관한것이다. 그방법은기초계층에대해수행될 ALF 방식을결정하는단계; 상기결정된방식에따라상기기초계층에대한필터링을수행하는단계; 및상기기초계층에대해결정된 ALF 방식을이용하여향상계층에대한필터링을수행하는단계를포함한다.
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公开(公告)号：KR101336577B1
公开(公告)日：2013-12-03
申请号：KR1020120064996
申请日：2012-06-18
Applicant: 한국항공대학교산학협력단
IPC: H04N19/50
CPC classification number: H04N19/513 , H04N19/176
Abstract: The present invention relates to an apparatus for inducing a motion vector and an induction method for the same, which is capable of inducing an additional MVP in a left candidate unit or inducing an MVP from an induction candidate group if an upper candidate unit MVP of a prediction unit is not valid when predicting two or more spatial MVPs. According to the present invention, the induction method using the apparatus comprising a motion vector induction unit, a redundancy check unit, a size limit unit and a motion vector addition unit comprises the steps of: (c) combining a left candidate block and an upper candidate block adjacent to a prediction unit to be encoded or decoded to form an induction candidate group when inducing a spatial MVP using the motion vector induction unit; (d) setting the induction conditions of the induction candidate group using the motion vector induction unit; and (e) determining the induction conditions to induce an MVP for each induction candidate group, wherein the (c) step includes a scaling condition setting step for determining whether to scale the induction candidate group. [Reference numerals] (AA) Step S200
Abstract translation: 本发明涉及一种用于诱导运动矢量的装置及其感应方法，其能够在左候选单元中引入附加的MVP或者从感应候选组中诱导MVP，如果上级候选单元MVP为 预测单位在预测两个或多个空间MVP时无效。 根据本发明，使用包括运动矢量感应单元，冗余校验单元，大小限制单元和运动矢量相加单元的装置的感应方法包括以下步骤：（c）组合左候选块和上位 候选块与预测单元相邻以被编码或解码以在使用运动矢量感应单元诱导空间MVP时形成感应候选组; （d）使用运动矢量感应单元设定感应候选组的诱导条件; （e）确定诱导条件以诱导每个诱导候选组的MVP，其中（c）步骤包括用于确定是否缩放感应候选组的缩放条件设置步骤。 （标号）（AA）步骤S200
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公开(公告)号：KR1020130030240A
公开(公告)日：2013-03-26
申请号：KR1020120102763
申请日：2012-09-17
Applicant: 한국항공대학교산학협력단
IPC: H04N19/50 , H04N19/13 , H04N19/119 , H04N19/70
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
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