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51. 发明授权

US07720156B2 Residue image down/up sampling method and apparatus and image encoding/decoding method and apparatus using residue sampling 有权
标题翻译：残留图像下/上采样方法及装置及图像编码/解码方法及装置采用残差采样
公开(公告)号：US07720156B2
公开(公告)日：2010-05-18
申请号：US11020223
申请日：2004-12-27
申请人： Woo-shik Kim , Hyun-Mun Kim
发明人： Woo-shik Kim , Hyun-Mun Kim
IPC分类号： H04N7/12
CPC分类号： H04N1/646 , H04N19/105 , H04N19/132 , H04N19/136 , H04N19/176 , H04N19/186 , H04N19/61
摘要： A residue image down- and/or up-sampling method and apparatus and an image encoding and/or decoding method and apparatus using the residue image down- and/or up-sampling method and apparatus are provided. The residue image downsampling method includes: generating a residue corresponding to the difference between an original image and a predicted image, for each image component of the original image formed with at least two or more image components; and downsampling the residue for each image component at a predetermined ratio. The residue image upsampling method includes: upsampling data downsampled from residue data of an original image; and restoring the original image by adding the predicted image to the upsampled residue of each component. According to the methods and apparatuses, a residue image is obtained by performing spatiotemporal prediction encoding first, and by sampling this residue image, loss of information occurring in the sampling process can be reduced. Since sampling is performed with a residue image obtained through a spatiotemporal prediction process, even when an original image that is not color transformed is directly encoded, sampling can be performed effectively. Also, the methods and apparatuses have an advantage that in addition to colors, sampling of any components can be performed effectively.
摘要翻译：提供了残留图像下采样和/或上采样方法和装置以及使用残留图像下采样和/或向上采样方法和装置的图像编码和/或解码方法和装置。残留图像下采样方法包括：对于具有至少两个或更多个图像分量形成的原始图像的每个图像分量，产生对应于原始图像和预测图像之间的差的残差; 并以预定比例对每个图像分量进行下采样。残差图像上采样方法包括：从原始图像的残差数据向下采样数据; 并且通过将预测图像添加到每个分量的上采样残差来恢复原始图像。根据方法和装置，首先通过执行时空预测编码获得残差图像，并且通过对该残差图像进行采样，可以减少在采样处理中发生的信息的丢失。由于采用通过时空预测处理获得的残差图像进行采样，所以即使直接编码未被颜色变换的原始图像，也可以有效地进行采样。此外，该方法和装置具有除了颜色之外还可以有效地执行任何部件的采样的优点。

52. 发明申请

US20050141617A1 Residue image down/up sampling method and apparatus and image encoding/decoding method and apparatus using residue sampling 有权
标题翻译：残留图像下/上采样方法及装置及图像编码/解码方法及装置采用残差采样
公开(公告)号：US20050141617A1
公开(公告)日：2005-06-30
申请号：US11020223
申请日：2004-12-27
申请人： Woo-shik Kim , Hyun Kim
发明人： Woo-shik Kim , Hyun Kim
IPC分类号： H04N7/32 , H03M7/36 , H04N1/64 , H04N7/12 , H04N7/26 , H04N7/30 , H04N7/46 , H04N7/50 , H04N11/04
CPC分类号： H04N1/646 , H04N19/105 , H04N19/132 , H04N19/136 , H04N19/176 , H04N19/186 , H04N19/61
摘要： A residue image down- and/or up-sampling method and apparatus and an image encoding and/or decoding method and apparatus using the residue image down- and/or up-sampling method and apparatus are provided. The residue image downsampling method includes: generating a residue corresponding to the difference between an original image and a predicted image, for each image component of the original image formed with at least two or more image components; and downsampling the residue for each image component at a predetermined ratio. The residue image upsampling method includes: upsampling data downsampled from residue data of an original image; and restoring the original image by adding the predicted image to the upsampled residue of each component. According to the methods and apparatuses, a residue image is obtained by performing spatiotemporal prediction encoding first, and by sampling this residue image, loss of information occurring in the sampling process can be reduced. Since sampling is performed with a residue image obtained through a spatiotemporal prediction process, even when an original image that is not color transformed is directly encoded, sampling can be performed effectively. Also, the methods and apparatuses have an advantage that in addition to colors, sampling of any components can be performed effectively.
摘要翻译：提供了残留图像下采样和/或上采样方法和装置以及使用残留图像下采样和/或向上采样方法和装置的图像编码和/或解码方法和装置。残留图像下采样方法包括：对于具有至少两个或更多个图像分量形成的原始图像的每个图像分量，产生对应于原始图像和预测图像之间的差的残差; 并以预定比例对每个图像分量进行下采样。残差图像上采样方法包括：从原始图像的残差数据向下采样数据; 并且通过将预测图像添加到每个分量的上采样残差来恢复原始图像。根据方法和装置，首先通过执行时空预测编码获得残差图像，并且通过对该残差图像进行采样，可以减少在采样处理中发生的信息的丢失。由于采用通过时空预测处理获得的残差图像进行采样，所以即使直接编码未被颜色变换的原始图像，也可以有效地进行采样。此外，该方法和装置具有除了颜色之外还可以有效地执行任何部件的采样的优点。

53. 发明申请

US20080025406A1 Image coding method and apparatus using spatial predictive coding of chrominance and image decoding method and apparatus 有权
标题翻译：使用色度空间预测编码和图像解码方法和装置的图像编码方法和装置
公开(公告)号：US20080025406A1
公开(公告)日：2008-01-31
申请号：US11882869
申请日：2007-08-06
申请人： Woo-shik Kim , Chang-yeong Kim , Yang-seock Seo
发明人： Woo-shik Kim , Chang-yeong Kim , Yang-seock Seo
IPC分类号： H04N11/04
CPC分类号： H04N19/159 , G06T9/004 , G06T9/005 , H04N19/105 , H04N19/11 , H04N19/122 , H04N19/14 , H04N19/176 , H04N19/182 , H04N19/184 , H04N19/186 , H04N19/44 , H04N19/593 , H04N19/61
摘要： A method and apparatus for coding a chrominance component of an intra-image using spatial predictive coding and a method and apparatus for decoding the coded chrominance component are provided. The coding apparatus includes a variation calculator, which calculates a vertical variation and a horizontal variation with respect to a current block to be predictively coded among blocks having a predetermined size, into which a chrominance component of an input image is divided, using pixel values in an upper reference block adjacent to the current block and pixel values in a side reference block adjacent to the current block; a hybrid predictor, which divides the current block into a predetermined number of regions according to the vertical and horizontal variations and generates a prediction value of each pixel in each region using a pixel value in the upper reference block or a pixel value in the side reference block; a differential value generator, which generates a differential value between the prediction value and a corresponding real pixel value in the current block and codes the differential value using a predetermined coding method.
摘要翻译：提供了一种使用空间预测编码对图像内的色度分量进行编码的方法和装置，以及用于对编码的色度分量进行解码的方法和装置。该编码装置包括：变化计算器，使用像素值计算相对于预定尺寸的块中的要被预测编码的当前块的垂直变化和水平变化，其中输入图像的色度分量被划分成与当前块相邻的上参考块和与当前块相邻的侧参考块中的像素值; 混合预测器，其根据垂直和水平变化将当前块划分成预定数量的区域，并使用上参考块中的像素值或侧参考中的像素值生成每个区域中每个像素的预测值块; 差分值生成器，其生成预测值与当前块中的对应的实际像素值之间的差分值，并使用预定的编码方法对差分值进行编码。

54. 发明授权

US07266247B2 Image coding method and apparatus using spatial predictive coding of chrominance and image decoding method and apparatus 有权
标题翻译：使用色度空间预测编码和图像解码方法和装置的图像编码方法和装置
公开(公告)号：US07266247B2
公开(公告)日：2007-09-04
申请号：US10673186
申请日：2003-09-30
申请人： Woo-shik Kim , Chang-yeong Kim , Yang-seock Seo
发明人： Woo-shik Kim , Chang-yeong Kim , Yang-seock Seo
IPC分类号： G06K9/36 , G06K9/46
CPC分类号： H04N19/159 , G06T9/004 , G06T9/005 , H04N19/105 , H04N19/11 , H04N19/122 , H04N19/14 , H04N19/176 , H04N19/182 , H04N19/184 , H04N19/186 , H04N19/44 , H04N19/593 , H04N19/61
摘要： A method and apparatus for coding a chrominance component of an intra-image using spatial predictive coding and a method and apparatus for decoding the coded chrominance component are provided. The coding apparatus includes a variation calculator, which calculates a vertical variation and a horizontal variation with respect to a current block to be predictively coded among blocks having a predetermined size, into which a chrominance component of an input image is divided, using pixel values in an upper reference block adjacent to the current block and pixel values in a side reference block adjacent to the current block; a hybrid predictor, which divides the current block into a predetermined number of regions according to the vertical and horizontal variations and generates a prediction value of each pixel in each region using a pixel value in the upper reference block or a pixel value in the side reference block; a differential value generator, which generates a differential value between the prediction value and a corresponding real pixel value in the current block and codes the differential value using a predetermined coding method.
摘要翻译：提供了一种使用空间预测编码对图像内的色度分量进行编码的方法和装置，以及用于对编码的色度分量进行解码的方法和装置。该编码装置包括：变化计算器，使用像素值计算相对于预定尺寸的块中的要被预测编码的当前块的垂直变化和水平变化，其中输入图像的色度分量被划分成与当前块相邻的上参考块和与当前块相邻的侧参考块中的像素值; 混合预测器，其根据垂直和水平变化将当前块划分成预定数量的区域，并使用上参考块中的像素值或侧参考中的像素值生成每个区域中每个像素的预测值块; 差分值生成器，其生成预测值与当前块中的对应的实际像素值之间的差分值，并使用预定的编码方法对差分值进行编码。

55. 发明授权

US08036478B2 Color image residue transformation and/or inverse transformation method and apparatus, and color image encoding and/or decoding method and apparatus using the same 有权
标题翻译：彩色图像残差变换和/或逆变换方法和装置，以及使用其的彩色图像编码和/或解码方法和装置
公开(公告)号：US08036478B2
公开(公告)日：2011-10-11
申请号：US10996448
申请日：2004-11-26
申请人： Woo-shik Kim , Hyun-mun Kim
发明人： Woo-shik Kim , Hyun-mun Kim
IPC分类号： G06K9/36 , G06K9/46
CPC分类号： H04N19/186 , H04N19/107 , H04N19/122 , H04N19/124 , H04N19/136 , H04N19/172 , H04N19/50 , H04N19/593
摘要： A color image residue transform and/or inverse transform method and apparatus, and a color image encoding and/or decoding method and apparatus using the same are provided. The residue transform method includes: obtaining a residue corresponding to the difference of an original image and a predicted image; and transforming the residue by using a relation between residues of color image components. The residue inverse transform method includes: generating a residue for each component by performing residue inverse transform of the residue transformed original image; and restoring the original image by adding a predicted image to the residue of each component. Also, the color image lossless encoding method using the residue transform includes: obtaining a residue corresponding to the difference of an original image and a predicted image; and performing encoding by transforming the residue by using the relation between residues of predetermined components. The decoding method includes: extracting residue transformed image data from the coded data of the original image; generating a residue for each component by performing residue inverse transform of the residue transformed image data; and restoring the original image by adding a predicted image to the residue of each component. According to the methods and apparatuses, by performing transform between residues of each color component, the redundancy of the residue of each color component is removed such that when a color image is encoded, a higher compression efficiency can be achieved.
摘要翻译：提供彩色图像残差变换和/或逆变换方法和装置，以及使用该彩色图像编码和/或解码方法和装置的彩色图像编码和/或解码方法和装置。残差变换方法包括：获得与原始图像和预测图像的差相对应的残差; 并通过使用彩色图像成分的残基之间的关系来转化残基。残差反变换方法包括：通过对残差变换原始图像执行残差逆变换，为每个分量生成残差; 以及通过将预测图像添加到每个分量的残差来恢复原始图像。此外，使用残差变换的彩色图像无损编码方法包括：获得与原始图像和预测图像的差相对应的残差; 以及通过使用预定分量的残差之间的关系来转换残基来执行编码。解码方法包括：从原始图像的编码数据中提取残差变换图像数据; 通过对残差变换后的图像数据进行残差逆变换，生成每个分量的残差; 以及通过将预测图像添加到每个分量的残差来恢复原始图像。根据该方法和装置，通过对各颜色成分的残基进行变换，去除每个颜色成分的残留物的冗余，使得当彩色图像被编码时，可以实现更高的压缩效率。

56. 发明申请

US20050111741A1 Color image residue transformation and/or inverse transformation method and apparatus, and color image encoding and/or decoding method and apparatus using the same 有权
标题翻译：彩色图像残差变换和/或逆变换方法和装置，以及使用其的彩色图像编码和/或解码方法和装置
公开(公告)号：US20050111741A1
公开(公告)日：2005-05-26
申请号：US10996448
申请日：2004-11-26
申请人： Woo-shik Kim , Hyun-mun Kim
发明人： Woo-shik Kim , Hyun-mun Kim
IPC分类号： H04N11/04 , G06K9/36 , H03M7/36 , H04N19/50 , H04N19/503 , H04N19/51 , H04N19/513 , H04N19/90 , H04N19/91
CPC分类号： H04N19/186 , H04N19/107 , H04N19/122 , H04N19/124 , H04N19/136 , H04N19/172 , H04N19/50 , H04N19/593
摘要： A color image residue transform and/or inverse transform method and apparatus, and a color image encoding and/or decoding method and apparatus using the same are provided. The residue transform method includes: obtaining a residue corresponding to the difference of an original image and a predicted image; and transforming the residue by using a relation between residues of color image components. The residue inverse transform method includes: generating a residue for each component by performing residue inverse transform of the residue transformed original image; and restoring the original image by adding a predicted image to the residue of each component. Also, the color image lossless encoding method using the residue transform includes: obtaining a residue corresponding to the difference of an original image and a predicted image; and performing encoding by transforming the residue by using the relation between residues of predetermined components. The decoding method includes: extracting residue transformed image data from the coded data of the original image; generating a residue for each component by performing residue inverse transform of the residue transformed image data; and restoring the original image by adding a predicted image to the residue of each component. According to the methods and apparatuses, by performing transform between residues of each color component, the redundancy of the residue of each color component is removed such that when a color image is encoded, a higher compression efficiency can be achieved.
摘要翻译：提供彩色图像残差变换和/或逆变换方法和装置，以及使用该彩色图像编码和/或解码方法和装置的彩色图像编码和/或解码方法和装置。残差变换方法包括：获得与原始图像和预测图像的差相对应的残差; 并通过使用彩色图像成分的残基之间的关系来转化残基。残差反变换方法包括：通过对残差变换原始图像执行残差逆变换，为每个分量生成残差; 以及通过将预测图像添加到每个分量的残差来恢复原始图像。此外，使用残差变换的彩色图像无损编码方法包括：获得与原始图像和预测图像的差相对应的残差; 以及通过使用预定分量的残差之间的关系来转换残基来执行编码。解码方法包括：从原始图像的编码数据中提取残差变换图像数据; 通过对残差变换后的图像数据进行残差逆变换，生成每个分量的残差; 以及通过将预测图像添加到每个分量的残差来恢复原始图像。根据该方法和装置，通过对各颜色成分的残基进行变换，去除每个颜色成分的残留物的冗余，使得当彩色图像被编码时，可以实现更高的压缩效率。

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