专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明公开

KR1020140048804A 다시점 영상의 부호화/복호화를 위한 비트율 제어 장치 및 방법 审中-实审
标题翻译：用于编码/解码3D视频的控制比特率的方法和装置
公开(公告)号：KR1020140048804A
公开(公告)日：2014-04-24
申请号：KR1020130119601
申请日：2013-10-08
申请人： 광운대학교 산학협력단
发明人： 남정학 , 유은경 , 조현호 , 심동규
IPC分类号： H04N19/00 , H04N13/00
CPC分类号： H04N19/597 , H04N13/271
摘要： Disclosed are an apparatus and a method for controlling a bit rate for encoding/decoding a three-dimensional image. The apparatus for encoding a multi-view image includes an extending time point bit rate control unit for determining quantization parameter for a current block of at an extending time point by calculating complexity of a current block at the extending time point referring to complexity of a reference block at a base time point corresponding to the current block at an extending time point, and a quantizing unit for performing quantization by using a determined quantization parameter. Thus, complexity can be exactly predicted so that the bit rate control can be more exactly performed. [Reference numerals] (100) Base time point bit rate control unit; (100-1) Extending time point bit rate control unit; (120,120-1) Converting unit; (121,121-1) Inversion unit; (130,130-1) Quantization unit; (131,131-1) Inverse quantization unit; (140,140-1) Entropy encoding unit; (160,160-1) In-loop filter; (170,170-1) Frame memory; (180,180-1) Intra prediction unit; (190,190-1) Motion compensation unit; (300) Multiplexer; (AA) Extending time point image; (BB) Bit stream; (CC) Base time point image
摘要翻译：公开了一种用于控制用于对三维图像进行编码/解码的比特率的装置和方法。用于编码多视图图像的装置包括扩展时间点比特率控制单元，用于通过根据参考的复杂度计算延长时间点的当前块的复杂度来确定在延长时间点的当前块的量化参数在延长时间点对应于当前块的基本时间点处的块;以及量化单元，用于通过使用确定的量化参数来执行量化。因此，可以精确地预测复杂度，使得可以更精确地执行比特率控制。（附图标记）（100）基本时间点比特率控制单元; （100-1）扩展时间点比特率控制单元; （120,120-1）转换单元; （121,121-1）反转单位; （130,130-1）量化单元; （131,131-1）反量化单元; （140,140-1）熵编码单元; （160,160-1）环路滤波器; （170,170-1）帧存储器; （180,180-1）内部预测单位; （190,190-1）运动补偿单元; （300）多路复用器（AA）延长时间点图像; （BB）比特流; （CC）基准时间点图像

22. 发明公开

KR1020140038316A 디블록킹 필터를 이용한 계층 간 예측 방법 및 장치 审中-实审
标题翻译：装置和方法使用阻塞滤波器进行层间预测
公开(公告)号：KR1020140038316A
公开(公告)日：2014-03-28
申请号：KR1020130110194
申请日：2013-09-13
申请人： 광운대학교 산학협력단
发明人： 조현호 , 심동규
IPC分类号： H04N19/50 , H04N19/00
CPC分类号： H04N19/117 , H04N19/34 , H04N19/59 , H04N19/70
摘要： An apparatus and method for inter-layer prediction for a multi-layer video are disclosed. A decoding apparatus for a multi-layer video comprises: a frame memory which stores restoration pictures of a reference layer restored through prediction about the reference layer; an inter-layer deblocking filler part which performs deblocking filtering on the restoration pictures of the reference layer corresponding to the present pictures of an improvement layer; and a prediction part which performs prediction on the present pictures of the improvement layer by referring to the restoration pictures of the reference layer in which deblocking filtering is performed. Accordingly, the present invention is able to improve the efficiency of inter-layer prediction by effectively deblocking filtering the restoration pictures of the reference layer. [Reference numerals] (210,110) Entropy decoding part; (220,120) Inverse quantization part; (230,130) Inversion part; (250,150) In-loop filter part; (260,160) Frame memory; (270,170) Intra prediction part; (280,280) Motion compensation part; (300) Inter-layer deblocking filter part; (400) Interpolation part; (AA,BB) Bit stream
摘要翻译：公开了一种用于多层视频的层间预测的装置和方法。一种用于多层视频的解码装置，包括：一个帧存储器，用于存储通过关于参考层的预测而恢复的参考层的恢复图像; 对对应于改进层的当前图像的参考层的恢复图像执行去块滤波的层间去块填充部分; 以及预测部，其通过参照执行去块滤波的参考层的恢复图像来对改善层的当前图像进行预测。因此，本发明能够通过对参考层的恢复图像进行有效的去块滤波来提高层间预测的效率。（210,110）熵解码部; （220,120）反量化部分; （230,130）反转部分; （250,150）环路滤波器部分; （260,160）帧存储器; （270,170）内部预测部分; （280,280）运动补偿部分; （300）层间去块滤波器部分; （400）插补部分; （AA，BB）位流

23. 发明授权

KR101373759B1 복호화 장치 및 방법 有权
标题翻译：装置和解码方法
公开(公告)号：KR101373759B1
公开(公告)日：2014-03-28
申请号：KR1020120008724
申请日：2012-01-30
申请人： 광운대학교 산학협력단
发明人： 장형문 , 심동규 , 조현호
IPC分类号： H04N19/00
摘要： 복호화 장치는 비트스트림을 엔트로피 복호화하여 구문 정보(syntax) 및 양자화 계수를 추출하는 엔트로피 복호화부, 구문 정보를 참조하여 양자화 계수에 따른 복원 영상을 생성하는 화소 복원부, 구분 정보에서 단위 정보를 추출하고, 단위 정보가 대상 블록이 이전 블록과 동일한 필터링 영역에 해당하는 것을 나타내는 경우에 구문 정보에 포함된 임계값 오프셋 차분 신호와 이전 블록의 임계값 오프셋을 합산하여 대상 블록의 임계값 오프셋을 산출하는 임계값 오프셋 산출부, 단위 정보에 따라 이전 블록의 임계값 오프셋 또는 대상 블록의 임계값 오프셋에 상응하는 임계값을 이용하여 복원 영상의 대상 블록에 대해 디블록킹 필터링을 수행하는 디블록킹 필터 및 복원 영상을 출력하는 영상 출력부를 포함한다.

24. 发明公开

KR1020120140366A 휘도 성분의 문맥을 이용하는 적응적 색차 성분 스캐닝 순서 결정 방법 및 장치 无效
标题翻译：使用LUMA块的背景的自适应色谱扫描的装置和方法
公开(公告)号：KR1020120140366A
公开(公告)日：2012-12-31
申请号：KR1020110060061
申请日：2011-06-21
申请人： 광운대학교 산학협력단
发明人： 심동규 , 남정학 , 조현호 , 유성은
IPC分类号： H04N19/129 , H04N19/186
CPC分类号： H04N19/129 , H04N19/186 , H04N19/70
摘要： PURPOSE: A method for determining an adaptive chrominance component scanning sequence by using the context of brightness components and a device thereof are provided to improve the compressibility of chrominance components by efficiently performing entrophy encoding by considering features of chrominance components. CONSTITUTION: A brightness component context deductor(103) derives the context of brightness components to adaptively derive a scanning sequence of chrominance components by using the context. An adaptive chrominance component realignment unit based on context(105) adaptively generates the scanning sequence by using the context. [Reference numerals] (102) Brightness component rearranging unit; (103) Brightness component context deductor; (104) Chrominance component rearranging unit; (105) Adaptive chrominance component rearranging unit based on context; (106) Entropy encoding unit; (108) Filtering unit in a loop; (AA) Current frame; (BB) Conversion encoding unit; (CC) Quantization unit; (DD) Inverse quantization unit; (EE) Inverse conversion encoding unit; (FF) Predicting unit in a screen; (GG) Motion compensating unit; (HH) Motion predicting unit
摘要翻译：目的：提供一种通过使用亮度分量的上下文及其装置来确定自适应色度分量扫描序列的方法，以通过考虑色度分量的特征来有效地执行熵编码来改善色度分量的可压缩性。构成：亮度分量上下文推导器（103）导出亮度分量的上下文，以通过使用上下文自适应地导出色度分量的扫描序列。基于上下文（105）的自适应色度分量重新对准单元通过使用上下文自适应地生成扫描序列。（102）亮度分量重排单元; （103）亮度分量上下文推算器; （104）色度分量重排单元; （105）基于上下文的自适应色度分量重排单元; （106）熵编码单元; （108）循环中的过滤单元; （AA）当前帧; （BB）转换编码单元; （CC）量化单元; （DD）反量化单元; （EE）逆变换编码单元; （FF）屏幕中的预测单元; （GG）运动补偿单元; （HH）运动预测单元

25. 发明公开

KR1020130070215A 적응적 깊이 정보 선택 및 수행에 대한 디블록킹 필터링 방법 및 장치 无效
标题翻译：自适应深度信息和处理去阻塞滤波的方法和装置
公开(公告)号：KR1020130070215A
公开(公告)日：2013-06-27
申请号：KR1020110137431
申请日：2011-12-19
申请人： 광운대학교 산학협력단
发明人： 황태진 , 유은경 , 조현호 , 심동규
IPC分类号： H04N19/70 , H04N19/86 , H04N19/174
CPC分类号： H04N19/86 , H04N19/174
摘要： PURPOSE: A deblocking filtering method for selection and performance of adaptive depth information and a device thereof are provided to allow an LCU(Largest Coding Unit) deblocking filter to include depth information, thereby increasing efficiency of deblocking filtering for a block distortion phenomenon. CONSTITUTION: A deblocking filter depth information determination unit determines whether or not depth information of deblocking filtering performance is applied to any step(401). A deblocking filter performance unit for a perpendicular boundary performs deblocking filtering for the perpendicular boundary of a deblocking filter(402). A deblocking filter performance unit for a horizontal boundary performs the deblocking filtering for a horizontal boundary of the deblocking filter(403). [Reference numerals] (401) Determine deblocking filter depth information; (402) Perform deblocking filtering for a vertical boundary; (403) Perform deblocking filtering for a horizontal boundary; (AA) Start; (BB) End
摘要翻译：目的：提供用于选择和执行自适应深度信息的解块滤波方法及其装置，以允许LCU（最大编码单元）去块滤波器包括深度信息，从而提高块失真现象的去块滤波效率。构成：去块滤波器深度信息确定单元确定去块滤波性能的深度信息是否应用于任何步骤（401）。用于垂直边界的去块滤波器性能单元为解块滤波器（402）的垂直边界执行解块滤波。用于水平边界的去块滤波器性能单元执行去块滤波器（403）的水平边界的去块滤波。（附图标记）（401）确定去块滤波器深度信息; （402）对垂直边界进行去块滤波; （403）对水平边界进行去块滤波; （AA）开始; （BB）结束

26. 发明公开

KR1020130070195A 문맥 기반의 샘플 적응적 오프셋 필터 방향 추론 및 적응적 선택에 대한 비디오 방법 및 장치 无效
标题翻译：视频编解码器中基于上下文的自适应方向选择方法与装置
公开(公告)号：KR1020130070195A
公开(公告)日：2013-06-27
申请号：KR1020110137406
申请日：2011-12-19
申请人： 광운대학교 산학협력단
发明人： 유은경 , 조현호 , 남정학 , 심동규
IPC分类号： H04N7/24
CPC分类号： H04N19/82
摘要： PURPOSE: A method for context based SAO(Sample Adaptive Offset) filter direction estimation and adaptive selection in a video and a device thereof are provided to adaptively select a filter direction by considering a detailed edge direction corresponding to a feature of a current decoding object image, thereby improving subjective and objective image quality. CONSTITUTION: A context based filter selection parameter extraction unit(503) brings parameter information for a restored image and finds an edge direction. A filter direction determination unit(504) determines an SAO filter direction in a group for a current block or an area corresponding to kinds and a value of context which is parsed from an entropy decoding unit(501) and image feature information extracted in the context based filter selection parameter extraction unit. An SAO execution unit(505) comprises a pixel set by using the determined filter direction and performs SAO filtering for the pixel set. [Reference numerals] (501) Entropy decoding unit; (502) Pixel restoration unit; (503) Context based filter selection parameter extraction unit; (504) Filter direction determination unit; (505) SAO execution unit; (506) Image output unit
摘要翻译：目的：提供一种用于视频及其设备中的基于上下文的SAO（样本自适应偏移）滤波器方向估计和自适应选择的方法，以通过考虑与当前解码对象图像的特征相对应的详细边缘方向来自适应地选择滤波器方向从而提高主观和客观的画质。构成：基于上下文的滤波器选择参数提取单元（503）为恢复的图像提供参数信息并找到边缘方向。滤波器方向确定单元（504）确定用于当前块的组中的SAO滤波器方向或对应于从熵解码单元（501）解析的上下文的种类和值的区域以及在上下文中提取的图像特征信息基于滤波器的选择参数提取单元。 SAO执行单元（505）包括通过使用所确定的滤波器方向的像素集合，并针对像素集执行SAO滤波。（附图标记）（501）熵解码单元; （502）像素恢复单元; （503）基于上下文的滤波器选择参数提取单元; （504）滤波器方向确定单元; （505）SAO执行单位; （506）图像输出单元

27. 发明授权

KR101552639B1 인트라 매크로 블록의 디블록킹 필터 및 필터링 방법 有权
标题翻译：用于去除宏块的滤波和滤波方法
公开(公告)号：KR101552639B1
公开(公告)日：2015-09-14
申请号：KR1020090060478
申请日：2009-07-03
申请人： 한국전자통신연구원 , 광운대학교 산학협력단 , 경희대학교 산학협력단
发明人： 최해철 , 정세윤 , 임성창 , 최진수 , 홍진우 , 심동규 , 오승준 , 안창범 , 박광훈 , 조현호 , 정광수
IPC分类号： H04N19/80 , H04N19/86
CPC分类号： H04N19/00
摘要： 본발명은인트라매크로블록이포함된매크로블록경계에서영상블록단위양자화파라미터를이용하여적응적디블록킹필터를수행하는방법및 그장치에관한것이다. 본발명에따른필터및 필터링방법은높은해상도및 고화질비디오영상압축분야에서압축률을향상시키는효과가있다.

28. 发明公开

KR1020150056679A 다중 계층 비디오 코딩을 위한 계층 간 참조 픽쳐 생성 방법 및 장치 审中-实审
标题翻译：用于在多层视频编码中构造层间参考图像的装置和方法
公开(公告)号：KR1020150056679A
公开(公告)日：2015-05-27
申请号：KR1020130138706
申请日：2013-11-15
申请人： 광운대학교 산학협력단
发明人： 김경혜 , 조현호 , 심동규 , 유지우
IPC分类号： H04N19/00 , H04N19/59
CPC分类号： H04N19/187 , H04N19/105 , H04N19/139 , H04N19/30 , H04N19/513
摘要： 본발명은 SVC 복호화기에서향상계층에서참조계층의복원영상을참조함에있어, GRP 과정에서참조계층의움직임벡터를사용하여참조계층의차분계수를유도할때 참조계층의움직임벡터를정수화소위치로조정하여제한시킴으로써참조계층의영상및 향상계층복원영상에추가적인보간을수행하지않고도차분계수를생성할수 있도록한다.
摘要翻译：本发明在可伸缩视频编码装置的增强层中参考参考层的恢复图像的过程中，通过限制参考图像的运动矢量来生成差分系数，而不需要对参考层和增强层的图像进行附加内插当在广义残差预测处理中使用参考层的移动向量来诱导参考层的差分系数时，将层映射到整数像素单元位置。

29. 发明公开

KR1020140048807A 확장 비디오 부호화/복호화를 위한 엔트로피 초기화 방법 및 그 장치 审中-实审
标题翻译：用于编码/解码扩展视频的入侵的方法及其装置
公开(公告)号：KR1020140048807A
公开(公告)日：2014-04-24
申请号：KR1020130119609
申请日：2013-10-08
申请人： 광운대학교 산학협력단
发明人： 유은경 , 남정학 , 조현호 , 심동규
IPC分类号： H04N19/50 , H04N19/00
CPC分类号： H04N19/13
摘要： Disclosed are a method for initiating entropy for encoding/decoding an extension video and an apparatus thereof. The method for initiating entropy for decoding an extension video includes the steps of: determining whether to perform entropy initialization based on an interlayer prediction; and initializing entropy for an enhancement layer referring to information about an entropy decoding of the reference layer when it is determined that the entropy initialization is performed based on an interlayer prediction. Thus, a parameter for initializing the entropy of the reference layer is allowed to be utilized in the enhancement layer so that the coding and decoding efficiency of the entropy can be improved. [Reference numerals] (AA) Start; (BB) NO; (CC) YES; (DD) End; (S310) Entropy is initialized based on an interlayer prediction?; (S320) Extract a parameter for initializing interlayer entropy; (S330) Initialize entropy for an improved layer with reference to a parameter for initializing the interlayer entropy; (S340) Initialize general entropy for the enhancement layer; (S350) Decode the entropy for the enhancement layer
摘要翻译：公开了一种用于启动用于对扩展视频进行编码/解码的熵的方法及其装置。用于启动用于解码扩展视频的熵的方法包括以下步骤：基于层间预测确定是否执行熵初始化; 以及当确定基于层间预测执行熵初始化时，参考关于参考层的熵解码的信息来初始化增强层的熵。因此，允许在增强层中利用用于初始化参考层的熵的参数，从而可以提高熵的编码和解码效率。（附图标记）（AA）开始; （BB）NO; （CC）是; （DD）结束; （S310）基于层间预测δ来初始化熵; （S320）提取初始化夹层熵的参数; （S330）参考用于初始化层间熵的参数来初始化改进层的熵; （S340）初始化增强层的一般熵; （S350）对增强层的熵进行解码

30. 发明公开

KR1020140048806A 공간 해상도에 기반한 계층 간 예측 장치 및 방법 审中-实审
标题翻译：基于空间分辨率的层间预测的装置和方法
公开(公告)号：KR1020140048806A
公开(公告)日：2014-04-24
申请号：KR1020130119606
申请日：2013-10-08
申请人： 광운대학교 산학협력단
发明人： 조현호 , 유은경 , 남정학 , 심동규
IPC分类号： H04N19/50
CPC分类号： H04N19/50 , H04N19/105 , H04N19/132
摘要： Disclosed are an interlayer prediction method for a multilayer video based on a spatial resolution and an apparatus thereof. A decoding apparatus using an interlayer prediction based on a spatial resolution includes an adding unit for adding a prediction value to a residual value of a reference layer to generate a restored picture of the reference layer; a reference point determining unit for determining a reference point representing a step of processing the restored picture of the reference layer which a current picture of an enhancement layer refers to; and an interpolating unit for generating an interpolation picture of the reference layer by interpolating the restored picture of the reference layer at the reference point based on a resolution of the current picture of the enhancement layer. Thus, pixel values at various points are used as input values of the interpolating unit in the reference layer, so that the interpolation can be more effectively performed according to image and coding conditions. [Reference numerals] (110,210) Entropy decoding unit; (120,220) Inverse quantization unit; (130,230) Inversion unit; (150,250) Deblocking filter unit; (160,260) SAO performing unit; (170,270) Frame memory; (180,280) Intra prediction unit; (190,290) Inter prediction unit; (300) Reference point determining unit; (400) Interpolation unit; (500) Interlayer SAO performing unit; (AA,BB) Bit stream
摘要翻译：公开了一种基于空间分辨率的多层视频的层间预测方法及其装置。使用基于空间分辨率的层间预测的解码装置包括用于将预测值与参考层的残差值相加以生成参考层的恢复图像的相加单元; 参考点确定单元，用于确定表示加强层的当前图像所参考的参考层的恢复图像的步骤的参考点; 以及内插单元，用于通过基于增强层的当前图像的分辨率内插参考点上的参考层的恢复图像来生成参考层的内插图像。因此，将各点的像素值作为参照层内插单位的输入值，能够根据图像和编码条件更有效地进行插值。（标号）（110,210）熵解码单元; （120,220）反量化单元; （130,230）反转单位; （150,250）去块过滤器单元; （160,260）SAO执行单位; （170,270）帧记忆; （180,280）内部预测单位; （190,290）预测单位; （300）参考点确定单元; （400）插值单元; （500）中间层SAO执行单元; （AA，BB）位流

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式