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公开(公告)号：EP2666291A1
公开(公告)日：2013-11-27
申请号：EP11794733.3
申请日：2011-12-12
申请人： Thomson Licensing
CPC分类号： G06K9/4642 , H04N19/147 , H04N19/19 , H04N19/99
摘要： A method for extracting an epitome from an image Y is described. The method comprises: - searching (210), for each block, a list of patches in the image Y with similar content; - determining (220), for each patch of said lists, the set of blocks able to be represented by the patch; - constructing (240), from the sets of blocks, epitome charts comprising, for each epitome chart, initializing (2400, 2402) said epitome chart with one patch and extending (2404) said epitome chart with at least one candidate region contained in a patch overlapping said epitome chart; said method being characterized in that said candidate region is selected by taking into account the blocks represented by said patch overlapping said epitome chart and by any other patch contained in said epitome chart enlarged by said selected candidate region.
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2.发明公开METHOD AND DEVICE FOR ENCODING A BLOCK OF AN IMAGE AND CORRESPONDING RECONSTRUCTING METHOD AND DEVICE 审中-公开方法和设备用于编码块中的图像和对应的重建方法和装置
公开(公告)号：EP2803192A1
公开(公告)日：2014-11-19
申请号：EP13700492.5
申请日：2013-01-07
申请人： Thomson Licensing
CPC分类号： H04N19/567 , H04N19/11 , H04N19/14 , H04N19/147 , H04N19/176 , H04N19/44 , H04N19/52 , H04N19/593 , H04N19/65
摘要： The invention relates to image block encoding and decoding. More precisely, the invention relates to block prediction using reference blocks of the image. It is proposed a method which comprises using processing means for using at least the block for determining one reference block in an already encoded part of the image, encoding and reconstructing a part of the image, using at least the block for determining one reference block in the reconstructed part and a vector referencing the one reference block, using the one reference block for determining at least one further reference block in the reconstructed part and encoding the determined vector and a residual of the block with respect to a combination of the one and the at least one further reference block. Using the block for determination of the one reference block allows for selecting it such that it resembles the block and correlation with the block is maintained.
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公开(公告)号：EP2926557A1
公开(公告)日：2015-10-07
申请号：EP13802002.9
申请日：2013-11-26
申请人： Thomson Licensing
IPC分类号： H04N19/00
CPC分类号： H04N19/105 , H04N19/154 , H04N19/176 , H04N19/194 , H04N19/593 , H04N19/97
摘要： The present invention generally relates to a method for predicting a block of pixels from at least one patch comprising a block of pixels and a causal neighborhood around this block of pixels. The method comprises the following steps: determining a mapping of a causal neighborhood, around that block of pixels to be predicted, on the block of pixels to be predicted in order that the block of pixels of each patch is best predicted by mapping the neighbourhood of that patch on the block of pixels of that patch, and predicting the block of pixels from a prediction block computed by applying the determined mapping on the neighbourhood of the block of pixels to predict.
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4.发明公开METHOD OF CODING A SEQUENCE OF IMAGES AND CORRESPONDING RECONSTRUCTION METHOD 审中-公开方法编码的图像序列和相应的重建进程
公开(公告)号：EP2666290A1
公开(公告)日：2013-11-27
申请号：EP11729073.4
申请日：2011-05-24
CPC分类号： H04N19/00763 , H04N19/19 , H04N19/36 , H04N19/593 , H04N19/91 , H04N19/99
摘要： A method of coding a sequence of images is disclosed. The method of coding comprises for a current image the steps of: creating a summary of said current image; encoding said summary into a first bitstream; reconstructing an intermediate image from said summary; and encoding, into a second bitstream, the current image using said intermediate image as reference image.
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5.发明公开PROCEDE ET DISPOSITIF DE PREDICTION INTER-IMAGE ET PROCEDE ET APPAREIL DE CODAGE CORRESPONDANTS 审中-公开之间的图像预测方法和装置以及相应的编码方法和装置
公开(公告)号：EP2901697A1
公开(公告)日：2015-08-05
申请号：EP13770443.3
申请日：2013-09-25
申请人： Thomson Licensing
发明人： THOREAU, Dominique , CHERIGUI, Safa , MARTIN, Alain , GUILLOTEL, Philippe , GUILLEMOT, Christine
IPC分类号： H04N19/503 , H04N19/00 , H04N19/61
CPC分类号： H04N19/533 , H04N19/105 , H04N19/154 , H04N19/176 , H04N19/573 , H04N19/577 , H04N19/61
摘要： A method and device for predicting a block of pixels of an image for encoding/decoding same. The method comprises a step (1) of defining a causal vicinity of said block to be predicted, a step (2) of searching for candidate patches during which a set of candidate patches is formed from at least one patch belonging to an image other than the image to which the block to be predicted belongs, each patch being formed from a block and from a causal vicinity of said block, and a step (3) of block prediction during which the block is predicted at least from the block of at least one patch of said set of candidate patches.
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公开(公告)号：EP2666298A1
公开(公告)日：2013-11-27
申请号：EP11721063.3
申请日：2011-05-24
申请人： Thomson Licensing
CPC分类号： H04N19/00781 , H04N19/19 , H04N19/61 , H04N19/649 , H04N19/99
摘要： A method of coding an image epitome is disclosed. The method of coding comprises: creating the epitome of the image, the epitome comprising a texture epitome and a transform map; coding the texture epitome and the transform map; wherein texture epitome is padded, before the step of coding, such that the texture epitome is block aligned.
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公开(公告)号：EP2926557B1
公开(公告)日：2018-05-09
申请号：EP13802002.9
申请日：2013-11-26
申请人： Thomson Licensing
IPC分类号： H04N19/593 , H04N19/105 , H04N19/154 , H04N19/176 , H04N19/194 , H04N19/97
CPC分类号： H04N19/105 , H04N19/154 , H04N19/176 , H04N19/194 , H04N19/593 , H04N19/97
摘要： The present invention generally relates to a method for predicting a block of pixels from at least one patch comprising a block of pixels and a causal neighborhood around this block of pixels. The method comprises the following steps: determining a mapping of a causal neighborhood, around that block of pixels to be predicted, on the block of pixels to be predicted in order that the block of pixels of each patch is best predicted by mapping the neighbourhood of that patch on the block of pixels of that patch, and predicting the block of pixels from a prediction block computed by applying the determined mapping on the neighbourhood of the block of pixels to predict.
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8.发明授权PROCEDE DE CODAGE ET DE RECONSTRUCTION D'UN BLOC D'UNE SEQUENCE D'IMAGES EN UTILISANT UN DICTIONNAIRE D'ATOMES STRUCTURES ET UN DICTIONNAIRE DE PATCHES ASSOCIES 有权方法进行编码和重建中的块图像序列通过使用结构化原子和一个或第一个列表与相应的图像补丁第二个列表
公开(公告)号：EP2553926B1
公开(公告)日：2015-02-25
申请号：EP11710208.7
申请日：2011-03-28
申请人： Thomson Licensing
IPC分类号： H04N19/00 , H04N19/97 , H04N19/176 , H04N19/593
CPC分类号： G06T9/004 , H04N19/105 , H04N19/176 , H04N19/51 , H04N19/593 , H04N19/97
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9.发明公开METHOD FOR CODING AND METHOD FOR RECONSTRUCTION OF A BLOCK OF AN IMAGE SEQUENCE 有权方法进行编码和重建中的块图像序列通过使用结构化原子和一个或第一个列表与相应的图像补丁第二个列表
公开(公告)号：EP2553926A1
公开(公告)日：2013-02-06
申请号：EP11710208.7
申请日：2011-03-28
申请人： Thomson Licensing
CPC分类号： G06T9/004 , H04N19/105 , H04N19/176 , H04N19/51 , H04N19/593 , H04N19/97
摘要： The invention relates to a method for coding a current block comprising an iterative step of decomposition into atoms of a first dictionary of a vector of data comprising at least reconstructed image data associated with pixels situated in a causal neighbouring area of a current block. At each iteration, the step of decomposition into atoms comprises the following steps for: - selecting (32) a first atom in the first dictionary of atoms, - applying (34, 340) a phase correlation between a patch associated with the first atom and a current residue vector, when the first atom is a textured atom, - extracting (34, 342) from the patch at least the part most correlated with the residue vector, the extracted part forming a second atom, - selecting (36) from among the first atom and the second atom, the atom most correlated with the current residue vector, and - updating (38) the residue vector according to the selected atom.
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