公开(公告)号：WO2013002619A3

公开(公告)日：2013-03-14

申请号：PCT/KR2012005244

申请日：2012-07-02

Applicant: SAMSUNG ELECTRONICS CO LTD ,  ALSHINA ELENA ,  ALSHIN ALEXANDER

Inventor： ALSHINA ELENA ,  ALSHIN ALEXANDER

IPC: H04N7/30 ,  H04N19/89

CPC classification number: H04N19/122 ,  G06F17/147 ,  H04N19/115 ,  H04N19/124 ,  H04N19/126 ,  H04N19/136 ,  H04N19/146 ,  H04N19/176 ,  H04N19/18 ,  H04N19/182 ,  H04N19/184 ,  H04N19/34 ,  H04N19/42 ,  H04N19/44 ,  H04N19/45 ,  H04N19/60 ,  H04N19/625

Abstract: Disclosed are a video encoding method which adjusts the range of output data, which has been encoded so that the bit depth can be controlled during the decoding process of encoded samples, and a video decoding method, which prevents overflow of output data in each step of the decoding process. The video decoding method comprises: decoding by parsing quantized conversion factors for each block in an image from a received bitstream; decoding conversion factors which are less than or equal to a first bit depth by executing an inversion quantization of the quantized conversion factors; and decoding samples which are less than or equal to a second bit depth by executing a first level quantization and inverse scaling of the conversion factors.

Abstract translation: 公开了一种视频编码方法，其调节已编码的输出数据的范围，使得可以在编码样本的解码处理期间控制比特深度，以及视频解码方法，其防止每个步骤中的输出数据的溢出 解码过程。 视频解码方法包括：通过从接收到的比特流解码图像中的每个块的量化转换因子进行解码; 通过执行量化的转换因子的反转量化来解码小于或等于第一位深度的转换因子; 以及通过执行转换因子的第一级量化和反缩放来解码小于或等于第二位深度的样本。

公开(公告)号：WO2010002214A3

公开(公告)日：2010-03-25

申请号：PCT/KR2009003634

申请日：2009-07-02

Applicant: SAMSUNG ELECTRONICS CO LTD ,  ALSHINA ELENA ,  ALSHIN ALEXANDER ,  SEREGIN VADIM ,  SHLYAKHOV NIKOLAY ,  KOROTEEV MAXIM

Inventor： ALSHINA ELENA ,  ALSHIN ALEXANDER ,  SEREGIN VADIM ,  SHLYAKHOV NIKOLAY ,  KOROTEEV MAXIM

IPC: H04N7/32 ,  H04N7/24

CPC classification number: H04N19/13 ,  H04N19/11 ,  H04N19/117 ,  H04N19/119 ,  H04N19/176 ,  H04N19/182 ,  H04N19/198 ,  H04N19/33 ,  H04N19/50 ,  H04N19/593 ,  H04N19/82 ,  H04N19/91

Abstract: The present invention discloses an image encoding method and device that generates a first predictive encoding unit for the current encoding unit to be encoded, that generates a second predictive encoding by changing the pixel value of each pixel of the first predictive encoding unit using each pixel constituting the first predictive encoding unit and at least one peripheral pixel, and that improves the prediction efficiency of images by encoding the value of the difference between the current encoding unit and the second predictive encoding unit, and a decoding method and device therefor.

Abstract translation: 本发明公开了一种图像编码方法和装置，其生成用于要编码的当前编码单元的第一预测编码单元，其通过使用构成的每个像素改变第一预测编码单元的每个像素的像素值来生成第二预测编码 第一预测编码单元和至少一个外围像素，并且通过对当前编码单元和第二预测编码单元之间的差的值进行编码来提高图像的预测效率，以及解码方法和装置。

公开(公告)号：WO2012044105A3

公开(公告)日：2012-06-07

申请号：PCT/KR2011007220

申请日：2011-09-30

Applicant: SAMSUNG ELECTRONICS CO LTD ,  ALSHIN ALEXANDER ,  ALSHINA ELENA ,  CHEN JIANLE ,  HAN WOO-JIN ,  SHLYAKHOV NIKOLAY ,  HONG YOON-MI

Inventor： ALSHIN ALEXANDER ,  ALSHINA ELENA ,  CHEN JIANLE ,  HAN WOO-JIN ,  SHLYAKHOV NIKOLAY ,  HONG YOON-MI

IPC: H04N7/26 ,  H04N7/32

CPC classification number: H04N19/86 ,  G06F17/17 ,  G06F17/175 ,  G06T3/4007 ,  G06T5/002 ,  H04N19/117 ,  H04N19/182 ,  H04N19/186 ,  H04N19/42 ,  H04N19/43 ,  H04N19/521 ,  H04N19/523 ,  H04N19/59 ,  H04N19/635 ,  H04N19/80 ,  H04N19/82

Abstract: Provided is a method for interpolating images by determining an interpolation filter coefficient. An image interpolation method is disclosed that takes into account smoothing for generating the pixel value of at least one subpixel unit, in which method: an interpolation filter is selected from among interpolation filters for generating the pixel value(s) of at least one subpixel unit positioned between pixel units, the selection being performed in a fashion which differs based on the interpolation position and smoothness of the subpixel unit(s); and the selected interpolation filter is used in order to interpolate pixel values of pixel-unit pixels.

Abstract translation: 提供了一种通过确定内插滤波器系数来内插图像的方法。 公开了一种图像插值方法，其考虑了用于生成至少一个子像素单元的像素值的平滑，其中：从用于生成至少一个子像素单元的像素值的插值滤波器中选择插值滤波器 位于像素单元之间，所述选择以基于子像素单元的插值位置和平滑度而不同的方式执行; 并且使用选择的插值滤波器以插值像素单元像素的像素值。

公开(公告)号：WO2011126309A3

公开(公告)日：2012-01-26

申请号：PCT/KR2011002426

申请日：2011-04-06

Applicant: SAMSUNG ELECTRONICS CO LTD ,  ALSHIN ALEXANDER ,  ALSHINA ELENA ,  SHLYAKHOV NIKOLAY ,  LEE TAMMY

Inventor： ALSHIN ALEXANDER ,  ALSHINA ELENA ,  SHLYAKHOV NIKOLAY ,  LEE TAMMY

IPC: H04N7/32 ,  H04N7/26

CPC classification number: H04N19/00703 ,  H04N19/176 ,  H04N19/182 ,  H04N19/537 ,  H04N19/577

Abstract: Disclosed are a method and an apparatus for video encoding using bidirectional motion compensation in pixel units and a method and an apparatus for video decoding. The method for video encoding according to one embodiment of the present invention is characterized in that the bidirectional motion compensation in block units for a present block is performed, the motion compensation in pixel units for each pixel of the present block is additionally performed by using pixels of first and second and reference pictures which are used for bidirectional motion prediction and compensation, a bidirectional motion prediction value for the present block is generated by using the result of the bidirectional motion compensation in block units and the result of the motion compensation in pixel units.

Abstract translation: 公开了一种使用像素单位双向运动补偿的视频编码的方法和装置，以及用于视频解码的方法和装置。 根据本发明的一个实施例的用于视频编码的方法的特征在于，执行用于当前块的以块为单位的双向运动补偿，通过使用像素来附加地执行对于当前块的每个像素的像素单位的运动补偿 第一和第二以及用于双向运动预测和补偿的参考图像，通过以块为单位使用双向运动补偿的结果和以像素单位的运动补偿的结果来生成用于当前块的双向运动预测值 。

公开(公告)号：WO2011016702A3

公开(公告)日：2011-04-21

申请号：PCT/KR2010005187

申请日：2010-08-06

Applicant: SAMSUNG ELECTRONICS CO LTD ,  ALSHIN ALEXANDER ,  ALSHINA ELENA ,  SHLYAKHOV NIKOLAY ,  HAN WOO-JIN

Inventor： ALSHIN ALEXANDER ,  ALSHINA ELENA ,  SHLYAKHOV NIKOLAY ,  HAN WOO-JIN

IPC: H04N7/24 ,  H04N7/30

CPC classification number: H04N19/18 ,  H04N19/105 ,  H04N19/132 ,  H04N19/136 ,  H04N19/157 ,  H04N19/17 ,  H04N19/176 ,  H04N19/61 ,  H04N19/895

Abstract: Disclosed are a method and an apparatus for encoding images, and a method and an apparatus for decoding encoded images which substitute predetermined values for transform coefficients of low frequency components to be predicted within transform coefficients of transform blocks, generate incomplete residual blocks by inversely transforming the transform blocks including the substituted transform coefficients, and predict the transform coefficients of the low frequency components using values of the incomplete residual blocks.

Abstract translation: 公开了一种用于编码图像的方法和装置，以及用于对编码图像进行解码的编码图像的方法和装置，该编码图像将变换块的变换系数内的低频分量的变换系数的变换系数代入预定值​​，通过逆变换 包括取代的变换系数的变换块，并使用不完全残差块的值来预测低频分量的变换系数。

公开(公告)号：WO2013002585A3

公开(公告)日：2013-04-11

申请号：PCT/KR2012005147

申请日：2012-06-28

Applicant: SAMSUNG ELECTRONICS CO LTD ,  ALSHIN ALEXANDER ,  ALSHINA ELENA

Inventor： ALSHIN ALEXANDER ,  ALSHINA ELENA

IPC: H04N7/26

CPC classification number: H04N19/50 ,  H03M7/4006 ,  H04N19/00569 ,  H04N19/13 ,  H04N19/91 ,  H04N19/96

Abstract: Disclosed are an entropy encoding method and apparatus and an entropy decoding method and apparatus for an image. An entropy encoding method of the present invention comprises the steps of: arithmetically encoding a binary value of a current encoding symbol using a probability of a predetermined binary value which is determined on the basis of prior encoding symbols encoded prior to the current encoding symbol; and updating the probability of the predetermined binary value using a plurality of scaling vectors according to the binary value of the current encoding symbol.

Abstract translation: 公开了一种用于图像的熵编码方法和装置以及熵解码方法和装置。 本发明的熵编码方法包括以下步骤：使用基于在当前编码符号之前编码的先前编码符号确定的预定二进制值的概率，对当前编码符号的二进制值进行算术编码; 以及根据当前编码符号的二进制值，使用多个缩放矢量来更新预定二进制值的概率。

公开(公告)号：WO2013002579A3

公开(公告)日：2013-04-11

申请号：PCT/KR2012005135

申请日：2012-06-28

Applicant: SAMSUNG ELECTRONICS CO LTD ,  ALSHINA ELENA ,  ALSHIN ALEXANDER

Inventor： ALSHINA ELENA ,  ALSHIN ALEXANDER

IPC: H04N7/26 ,  H04N7/32

CPC classification number: H04N19/523 ,  G06T3/4007 ,  H04N19/117 ,  H04N19/167 ,  H04N19/182 ,  H04N19/52 ,  H04N19/537 ,  H04N19/59 ,  H04N19/61 ,  H04N19/82

Abstract: Disclosed is a method for sub-pixel interpolation for an image using a conversion-based interpolation filter, the method for image interpolation comprising: selecting, for each sub-pixel level interpolation point, a symmetric interpolation filter or an asymmetric interpolation filter from among interpolation filters with respect to an interpolation point, wherein the interpolation filters are for generating the pixel value of at least one sub-pixel that is positioned in between the pixels; and generating the pixel value of at least one sub-pixel by interpolating from the pixel values of pixels using the selected interpolation filter.

Abstract translation: 公开了一种使用基于变换的内插滤波器对图像进行子像素内插的方法，所述图像插值方法包括：对于每个子像素级内插点，从插值中选择对称内插滤波器或非对称内插滤波器 滤波器，其中所述内插滤波器用于生成位于所述像素之间的至少一个子像素的像素值; 以及通过使用所选择的内插滤波器从像素的像素值进行内插来生成至少一个子像素的像素值。

公开(公告)号：WO2013002554A3

公开(公告)日：2013-04-11

申请号：PCT/KR2012005086

申请日：2012-06-27

Applicant: SAMSUNG ELECTRONICS CO LTD ,  ALSHINA ELENA ,  ALSHIN ALEXANDER

Inventor： ALSHINA ELENA ,  ALSHIN ALEXANDER

IPC: H04N7/26

CPC classification number: H04N19/463 ,  G06T5/001 ,  H04N19/117 ,  H04N19/137 ,  H04N19/14 ,  H04N19/176 ,  H04N19/182 ,  H04N19/186 ,  H04N19/189 ,  H04N19/44 ,  H04N19/50 ,  H04N19/625 ,  H04N19/85 ,  H04N19/89 ,  H04N19/90

Abstract: Disclosed are a video encoding method for generating a restored image which minimizes the disparity from an original image and an apparatus therefor, and a video decoding method and an apparatus therefor. The video decoding method, according to the present invention, comprises: parsing offset merge information of the present block from a received bitstream; restoring offset types and offset values from among offset parameters of the present block on the basis of the offset merge information; and, on the basis of an edge type or a pixel value band type of the current block, selecting, from among the offset values, an offset value corresponding to the edge class or the pixel value band of the restored pixel that has been determined, and adjusting the pixel value of the restored pixel by the amount of the offset.

Abstract translation: 公开了一种用于生成使原始图像与视差最小化的恢复图像的视频编码方法及其装置，以及视频解码方法及其装置。 根据本发明的视频解码方法包括：从接收的比特流中解析当前块的偏移合并信息; 基于偏移合并信息从当前块的偏移参数中恢复偏移类型和偏移值; 并且基于当前块的边缘类型或像素值带类型，从偏移值中选择与已经确定的恢复的像素的边缘类或像素值带对应的偏移值， 并且将恢复的像素的像素值调整偏移量。

公开(公告)号：WO2012177027A3

公开(公告)日：2013-02-28

申请号：PCT/KR2012004811

申请日：2012-06-18

Applicant: SAMSUNG ELECTRONICS CO LTD ,  ALSHINA ELENA ,  ALSHIN ALEXANDER

Inventor： ALSHINA ELENA ,  ALSHIN ALEXANDER

IPC: H04N7/30

CPC classification number: H04N19/00812 ,  G06T3/40 ,  H04N19/42 ,  H04N19/625

Abstract: Disclosed are a method and device for the transformation and a method and device for the reverse transformation of images. In an image conversion method according to one embodiment of the present invention, scaled elements having integral values are obtained by using a predetermined scaling vector in order to effect scaling of elements constituting a transformation matrix used in N point discrete cosine transformation; N point discrete cosine transformation is performed by using an integer transformation matrix comprising the scaled elements having integral values; and N point discrete cosine transformation matrix resultant value descaling is effected by using the scaling vector.

Abstract translation: 公开了一种用于变换的方法和装置，以及用于逆向转换图像的方法和装置。 在根据本发明的一个实施例的图像转换方法中，通过使用预定的缩放矢量来获得具有积分值的比例元素，以便实现构成在N点离散余弦变换中使用的变换矩阵的元素的缩放; 通过使用包括具有积分值的定标元素的整数变换矩阵来执行N点离散余弦变换; 并且通过使用缩放矢量来实现N点离散余弦变换矩阵的合成值除垢。

公开(公告)号：WO2011129619A3

公开(公告)日：2012-02-09

申请号：PCT/KR2011002647

申请日：2011-04-13

Applicant: SAMSUNG ELECTRONICS CO LTD ,  HAN WOO-JIN ,  ALSHINA ELENA ,  MIN JUNG-HYE ,  ALSHIN ALEXANDER ,  KIM IL-KOO ,  SHLYAKHOV NIKOLAY ,  LEE TAMMY ,  LEE SUN-IL ,  CHEON MIN-SU ,  CHEN JIANLE ,  SEREGIN VADIM ,  HONG YOON-MI

Inventor： HAN WOO-JIN ,  ALSHINA ELENA ,  MIN JUNG-HYE ,  ALSHIN ALEXANDER ,  KIM IL-KOO ,  SHLYAKHOV NIKOLAY ,  LEE TAMMY ,  LEE SUN-IL ,  CHEON MIN-SU ,  CHEN JIANLE ,  SEREGIN VADIM ,  HONG YOON-MI

IPC: H04N7/26

CPC classification number: H04N19/50 ,  H04N19/00569 ,  H04N19/117 ,  H04N19/119 ,  H04N19/139 ,  H04N19/147 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/197 ,  H04N19/44 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82 ,  H04N19/86 ,  H04N19/96

Abstract: Disclosed is a video encoding method which involves performing deblocking filtering based on encoding units. The method of the present invention involves: determining a filtering boundary for which deblocking filtering is to be performed on the basis of at least one data unit of encoding units hierarchically configured in accordance with the depth which indicates the number of spatial partitions performed on a maximum encoding unit, prediction units for prediction of the encoding units, and transformation units for transformation of the encoding units; determining a filtering strength at the filtering boundary on the basis of a prediction mode of an encoding unit to which pixels adjacent to the determined filtering boundary belong and on the basis of transform coefficient values of pixels adjacent to the filtering boundary; and performing deblocking filtering on the basis of the determined filtering strength.

Abstract translation: 公开了一种视频编码方法，其涉及基于编码单位执行去块滤波。 本发明的方法包括：基于至少一个编码单元的数据单元确定根据指示在最大值上执行的空间分区的数量的深度的编码单元的去块滤波的滤波边界; 编码单元，用于预测编码单元的预测单元，以及用于变换编码单元的变换单元; 基于与所确定的滤波边界相邻的像素所属的编码单元的预测模式，并且基于与滤波边界相邻的像素的变换系数值，确定滤波边界处的滤波强度; 并根据确定的滤波强度进行去块滤波。