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公开(公告)号:KR1020130030232A
公开(公告)日:2013-03-26
申请号:KR1020120102214
申请日:2012-09-14
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N19/51 , H04N19/139
CPC classification number: H04N19/56 , H04N19/105 , H04N19/13 , H04N19/139 , H04N19/176 , H04N19/513 , H04N19/52 , H04N19/593 , H04N19/70
Abstract: PURPOSE: A method for inducing a prediction MV(Motion Vector) and a device using the method are provided to reduce complexity generated when inducing the prediction MV by calculating a final prediction MV by forming a candidate prediction MV list. CONSTITUTION: An image encoding/decoding device induces temporal candidate prediction MV information based on spatial candidate prediction MV information(S1420). The device adds an induced candidate prediction MV to a candidate prediction MV list(S1430). The device removes the same candidate prediction MV to reform the candidate prediction MV list(S1440). The device determines a final prediction MV from the candidate prediction MV list(S1460). [Reference numerals] (AA) Start; (BB) End; (S1400) Guiding spatial candidate prediction motion vectors; (S1410) Determining whether two induced spatial candidate prediction motion vectors are different from each other; (S1420) Inducing temporal candidate prediction motion vectors; (S1430) Adding the induced candidate prediction motion vectors to a candidate prediction motion vector list; (S1440) Reconstructing a candidate prediction motion vector list by removing identical candidate prediction motion vectors; (S1450) Adjusting the size of the candidate prediction motion vector list by adding and removing candidate prediction motion vectors; (S1460) Determining the final prediction motion vector from the candidate prediction motion vector list
Abstract translation: 目的:提供一种用于诱导预测MV(运动矢量)的方法和使用该方法的装置,以通过形成候选预测MV列表来计算最终预测MV,来降低当诱导预测MV时产生的复杂度。 构成:图像编码/解码装置基于空间候选预测MV信息诱导时间候选预测MV信息(S1420)。 该装置将候选预测MV列表添加到候选预测MV列表中(S1430)。 该装置移除相同的候选预测MV,以改变候选预测MV列表(S1440)。 该装置从候选预测MV列表确定最终预测MV(S1460)。 (附图标记)(AA)开始; (BB)结束; (S1400)引导空间候选预测运动矢量; (S1410)确定两个诱导空间候选预测运动矢量是否彼此不同; (S1420)诱导时间候选预测运动矢量; (S1430)将候选预测运动矢量添加到候选预测运动矢量列表中; (S1440)通过去除相同的候选预测运动矢量来重构候选预测运动矢量列表; (S1450)通过添加和删除候选预测运动矢量来调整候选预测运动矢量列表的大小; (S1460)从候选预测运动矢量列表确定最终预测运动矢量
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公开(公告)号:KR102115003B1
公开(公告)日:2020-05-25
申请号:KR1020190059912
申请日:2019-05-22
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N19/513 , H04N19/59 , H04N19/176
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公开(公告)号:KR101867613B1
公开(公告)日:2018-06-15
申请号:KR1020110131076
申请日:2011-12-08
Applicant: 한국항공대학교산학협력단
IPC: H04N19/30 , H04N19/70 , H04N19/13 , H04N19/176
Abstract: 본발명은엔트로피부호화를위한문맥모델을결정하는방법에관한것이다. 그방법은향상계층의부호화대상블록에적용되는문맥모델을결정하는단계; 및향상계층의부호화대상블록에대한문맥모델을기초계층의대응되는블록에대한문맥모델을이용하여업데이트하는단계를포함한다.
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公开(公告)号:KR101801905B1
公开(公告)日:2017-11-27
申请号:KR1020160055707
申请日:2016-05-04
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N19/59 , H04N19/105 , H04N19/11 , H04N19/124
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.
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公开(公告)号:KR101801904B1
公开(公告)日:2017-11-27
申请号:KR1020160055704
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.
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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:KR1020160031059A
公开(公告)日:2016-03-22
申请号:KR1020110131075
申请日:2011-12-08
Applicant: 한국항공대학교산학협력단
IPC: H04N7/24
CPC classification number: H04N19/30 , H04N19/187 , H04N19/46 , H04N19/567
Abstract: 본발명은향상계층에대한스케일러블비디오코딩방법및 장치에관한것이다. 부호화방법은향상계층(enhancement layer)의 LCU(Largest Coding Unit)가기초계층(base layer)의 LCU보다계층간 해상도차이에따라확장된크기를가지며기초계층과동일한블록구조를가지도록설정되는확장블록모드의사용여부를결정하는단계; 및결정된확장블록모드의사용여부를시그널링하는단계를포함한다.
Abstract translation: 本发明涉及一种用于增强层的可分级视频编码方法及其装置。 编码方法包括以下步骤:确定是否使用扩展块模式,其中与基层的LCU相比,增强层的最大编码单元(LCU)具有扩展尺寸,根据其中的分辨率差 层,并且具有与基层相同的嵌段结构; 并发出是否使用确定的扩展块模式。
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公开(公告)号:KR101336578B1
公开(公告)日:2013-12-03
申请号:KR1020120062054
申请日:2012-06-11
Applicant: 한국항공대학교산학협력단
IPC: H04N19/59
CPC classification number: H04N19/593 , H04N19/11 , H04N19/159 , H04N19/176
Abstract: The present invention relates to a most probable mode (MPM) inducing method which is used for encoding/decoding a prediction mode in a screen in a video encoding method. The prediction method of a prediction mode in a screen according to the present invention comprises the steps of (a) inducing an MPM using a most probable mode inducing unit and (b) encoding or decoding the induced MPM or a prediction unit in the screen of a current prediction unit using encoding/decoding units, wherein when two or more MPMs are induced from a neighboring prediction unit, two or more MPMs on a certain prediction unit in an LCU are induced in the (a) step, and wherein the prediction units except for the certain prediction unit in the LCU share two or more MPMs on the certain prediction unit. [Reference numerals] (210) Same phrase encoding/decoding unit;(220) Consistent phrase encoding/decoding unit;(230) Realignment unit;(240) Self-encoding/decoding unit
Abstract translation: 本发明涉及用于在视频编码方法的屏幕中对预测模式进行编码/解码的最可能模式(MPM)诱导方法。 根据本发明的屏幕中的预测模式的预测方法包括以下步骤:(a)使用最可能的模式诱导单元诱导MPM,以及(b)编码或解码在屏幕中的感应MPM或预测单元 使用编码/解码单元的当前预测单元,其中当从相邻预测单元感应出两个或更多个MPM时,在(a)步骤中诱导LCU中的某个预测单元上的两个或更多个MPM,并且其中预测单元 除了LCU中的某个预测单元在某个预测单元上共享两个或更多个MPM。 (210)相同短语编码/解码单元;(220)一致的短语编码/解码单元;(230)重新对准单元;(240)自编码/解码单元
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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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