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1. 发明申请

WO2013177779A1 IMAGE QUALITY MEASUREMENT BASED ON LOCAL AMPLITUDE AND PHASE SPECTRA 审中-公开
标题翻译：基于局部振幅和相位谱的图像质量测量
公开(公告)号：WO2013177779A1
公开(公告)日：2013-12-05
申请号：PCT/CN2012/076338
申请日：2012-05-31
申请人： THOMSON LICENSING , ZHANG, Fan , CHEN, Zhibo , JIANG, Wenfei
发明人： ZHANG, Fan , CHEN, Zhibo , JIANG, Wenfei
IPC分类号： H04N17/00 , G06T7/00
CPC分类号： G06T7/0002 , G06K9/66 , G06T3/4084 , G06T2207/20048 , G06T2207/30168
摘要： A method and system for determining a quality metric score for image processing are described including accepting a reference image, performing a pyramid transformation on the accepted reference image to produce a predetermined number of scales, applying image division to each scale to produce reference image patches, accepting a distorted image, performing a pyramid transformation on the accepted distorted image to produce the predetermined number of scales, applying image division to each scale to produce distorted image patches, performing a local distortion calculation for corresponding reference and distorted image patches, summing local distortion calculation results for image patch pairs, multiplying results of the summation operation by a positive weight for each scale, summing the results of the multiplication operation and applying a sigmoid function to results of the second summation operation to produce the quality metric score.
摘要翻译：描述了用于确定用于图像处理的质量度量得分的方法和系统，包括接受参考图像，对所接受的参考图像执行金字塔变换以产生预定数量的刻度，对每个比例应用图像划分以产生参考图像块，接受失真的图像，对接受的畸变图像执行金字塔变换以产生预定数量的刻度，对每个刻度进行图像划分以产生失真的图像块，对相应的参考和失真的图像块执行局部失真计算，求和局部失真图像补丁对的计算结果，将求和运算的结果乘以每个比例的正权重，将乘法运算的结果相加，并将S形函数应用于第二加和运算的结果以产生质量度量得分。

2. 发明申请

WO2013078822A1 TEXTURE MASKING FOR VIDEO QUALITY MEASUREMENT 审中-公开
标题翻译：用于视频质量测量的纹理掩蔽
公开(公告)号：WO2013078822A1
公开(公告)日：2013-06-06
申请号：PCT/CN2012/074522
申请日：2012-04-23
申请人： THOMSON LICENSING , ZHANG, Fan , XIE, Kai , JIANG, Wenfei , CHEN, Zhibo
发明人： ZHANG, Fan , XIE, Kai , JIANG, Wenfei , CHEN, Zhibo
IPC分类号： G06T5/00
CPC分类号： G06T7/40 , G06T7/0002 , G06T7/13 , G06T7/44 , G06T2207/10016 , G06T2207/20028 , G06T2207/30168 , H04N19/117 , H04N19/14 , H04N19/154 , H04N19/162 , H04N19/172 , H04N19/865
摘要： A particular implementation decomposes an image into a structure component and a texture component. An edge strength map is calculated for the structure component, and a texture strength map is calculated for the texture component. Using the edge strength and the texture strength, texture masking weights are calculated. The stronger the texture strength is, or the weaker the edge strength is, the more distortion can be tolerated by human eyes, and thus, the smaller the texture masking weight is. The local distortions are then weighted by the texture masking weights to generate an overall distortion level or an overall quality metric.
摘要翻译：特定的实现将图像分解成结构组件和纹理组件。计算结构分量的边缘强度图，并计算纹理分量的纹理强度图。使用边缘强度和纹理强度，计算纹理掩蔽权重。纹理强度越强，边缘强度越弱，人眼可以忍受的扭曲越多，纹理遮蔽重量就越小。然后通过纹理掩蔽权重对局部失真加权，以产生整体失真水平或总体质量度量。

3. 发明申请

WO2013063784A1 VIDEO ENCODING AND DECODING BASED ON IMAGE REFINEMENT 审中-公开
标题翻译：基于图像精化的视频编码和解码
公开(公告)号：WO2013063784A1
公开(公告)日：2013-05-10
申请号：PCT/CN2011/081744
申请日：2011-11-03
申请人： THOMSON LICENSING , JIANG, Wenfei , ZHANG, Fan , CHEN, Zhibo
发明人： JIANG, Wenfei , ZHANG, Fan , CHEN, Zhibo
IPC分类号： H04N7/32
CPC分类号： H04N19/86 , H04N19/103 , H04N19/117 , H04N19/124 , H04N19/132 , H04N19/14 , H04N19/147 , H04N19/176 , H04N19/192 , H04N19/82
摘要： A particular implementation forms an initial reconstructed image block from inverse quantization and inverse transform, and further refines the reconstructed image block using pixels from neighboring reconstructed blocks. The image block may be refined using a bilateral filter, whose space parameter and range parameter are adaptive to the quantization parameter. The particular implementation can be used in both encoding and decoding when reconstructing an image block. When used in encoding, the particular implementation can be used jointly with coefficient truncation, where some non-zero transform coefficients are set to zero. The number of remaining non-zero transform coefficients after coefficient truncation may be adaptive to the quantization parameter, the variance of the image block, the number of non-zero transform coefficients of the image block, and the index of the last non- zero transform coefficient in a zigzag scanning order.
摘要翻译：特定的实施方式从反量化和逆变换形成初始重建图像块，并且使用来自相邻重构块的像素进一步精化重构图像块。图像块可以使用双边滤波器进行精细化，该双边滤波器的空间参数和范围参数适应量化参数。当重建图像块时，特定的实现可以用于编码和解码两者。当用于编码时，特定的实现可以与系数截断一起使用，其中一些非零变换系数被设置为零。系数截断后剩余的非零变换系数的数量可以适应于量化参数，图像块的方差，图像块的非零变换系数的数量以及最后的非零变换的索引系数为锯齿形扫描顺序。

4. 发明申请

WO2012142731A1 METHOD AND DEVICE FOR LOSSY COMPRESS-ENCODING DATA AND CORRESPONDING METHOD AND DEVICE FOR RECONSTRUCTING DATA 审中-公开
标题翻译：用于破坏编码数据的方法和装置以及用于重构数据的相应方法和装置
公开(公告)号：WO2012142731A1
公开(公告)日：2012-10-26
申请号：PCT/CN2011/000705
申请日：2011-04-22
申请人： TECHNICOLOR (CHINA) TECHNOLOGY CO. LTD. , JIANG, Wenfei , CHEN, Zhibo , ZHANG, Fan
发明人： JIANG, Wenfei , CHEN, Zhibo , ZHANG, Fan
IPC分类号： H04N7/46 , H04N7/50
CPC分类号： H04N19/50 , H04N19/124 , H04N19/132 , H04N19/147 , H04N19/18 , H04N19/467 , H04N19/60 , H04N19/86
摘要： The invention proposes modification of quantized coefficients for signalling of a post-processing method. Therefore, it is proposed a method for lossy compress- encoding data comprising at least one of image data and audio data. Said method comprises determining quantized coefficients using a quantization of a discrete cosine transformed residual of a prediction of said data. Said method further comprises modifying said quantized coefficients for minimizing rate-distortion cost wherein distortion is determined using a post-processed reconstruction of the data, the post-processed reconstruction being post-processed according to a post¬ processing method, and compress-encoding said modified coefficients. In said proposed method, the post-processing method is that one of n>l different predetermined post processing method candidates whose position in an predetermined order of arrangement of the post processing method candidates equals a remainder of division, by n, of a sum of the modified coefficients. Doing so removes the overhead of flags in the bit stream.
摘要翻译：本发明提出了对后处理方法的信令的量化系数的修改。因此，提出了一种包括图像数据和音频数据中的至少一个的有损压缩编码数据的方法。所述方法包括使用所述数据的预测的离散余弦变换残差的量化来确定量化系数。所述方法还包括修改所述量化系数以最小化速率失真成本，其中使用所述数据的后处理重建来确定失真，所述后处理重构根据后处理方法进行后处理，并且对所述修正系数。在所述提出的方法中，后处理方法是n≥1个不同的预定后处理方法候选中的一个，其处理方法候选的预定排列顺序等于n的余数除以n 修正系数。这样做会消除位流中标志的开销。

5. 发明申请

WO2014078985A1 METHOD AND APPARATUS FOR IMAGE REGULARIZATION 审中-公开
标题翻译：用于图像正则化的方法和装置
公开(公告)号：WO2014078985A1
公开(公告)日：2014-05-30
申请号：PCT/CN2012/084886
申请日：2012-11-20
申请人： THOMSON LICENSING , JIANG, Wenfei , CUI, Hengbin , CHEN, Zhibo
发明人： JIANG, Wenfei , CUI, Hengbin , CHEN, Zhibo
IPC分类号： G06T5/00
CPC分类号： G06T5/002 , G06T5/008 , G06T2207/20021
摘要： Methods and apparatuses for image regularization are described. The image regularization is performed through total variation (TV) lθ regularization, wherein 0 θ lθ regularization is then performed for each image block using the calculated gradient blocks. The processed is performed iteratively to alleviate the problem of non-regularized neighboring blocks affecting the regularization of the current block. The TV lθ regularization is applicable to applications such as image denoising, video compression, and exposure fusion.
摘要翻译：描述了用于图像正则化的方法和装置。图像正则化通过总体变化（TV）l＆thetas进行; 正则化，其中0 <＆thetas; <1。在一个实施例中，图像被分成图像块。对于每个图像块，通过识别与图像块的内容的取向一致的方向来确定梯度块计算的方向。电视l＆thetas; 然后使用计算的梯度块对每个图像块执行正则化。迭代地执行处理以减轻影响当前块的正则化的非正则化相邻块的问题。电视剧和电视剧正则化适用于图像去噪，视频压缩和曝光融合等应用。

6. 发明申请

WO2013010317A1 METHOD FOR ADAPTIVE ENTROPY CODING OF TREE STRUCTURES 审中-公开
标题翻译：树结构自适应熵编码方法
公开(公告)号：WO2013010317A1
公开(公告)日：2013-01-24
申请号：PCT/CN2011/077279
申请日：2011-07-18
申请人： TECHNICOLOR (CHINA) TECHNOLOGY CO., LTD. , JIANG, Wenfei , CAI, Kangying , CHEN, Zhibo
发明人： JIANG, Wenfei , CAI, Kangying , CHEN, Zhibo
IPC分类号： G06T9/40 , H04N7/26
CPC分类号： H04N19/96 , G06T9/00 , G06T9/001 , G06T9/005 , G06T9/40 , H03M7/40 , H03M7/4056 , H03M7/6088 , H03M7/6094 , H04N19/44
摘要： In 3D mesh coding, the geometry data is compressed by spatial tree based approaches. Bitstreams that result from the traversal of a tree structure of spatial tree based approaches for encoding 3D mesh models have systematically special redundancies, which is exploited for further improving the mesh model compression. A method for encoding a bitstream comprises steps of defining (51) at least a first and a second symbol group of binary symbols, with S1 being a subset of S2, determining (52) within the bitstream first portions (J1,J2), second portions (K1) and third portions (N1,N2,N3), wherein first portions have Th1 or more consecutive S1 symbols and second portions have Th2 or more consecutive S2 symbols, encoding (54) the bitstream, wherein first portions, second portions and third portions are encoded (54A,54B,54C) using different codes, and encoding (55) values (C 1 ) indicating the boundary positions between the first, second and third portions in the bitstream.
摘要翻译：在3D网格编码中，几何数据通过基于空间树的方法进行压缩。通过遍历基于空间树的基于空间树的编码3D网格模型的方法产生的位流具有系统的特殊冗余，被用于进一步改进网格模型压缩。一种用于编码比特流的方法包括以下步骤：定义（51）至少第二和第二二进制符号组的符号组，其中S1是S2的子集，确定比特流第一部分（J1，J2）内的第二部分部分（K1）和第三部分（N1，N2，N3），其中第一部分具有Th1个或更多个连续的S1符号，第二部分具有Th2个或更多个连续的S2符号，对比特流进行编码（54），其中第一部分，第二部分和使用不同的代码对第三部分进行编码（54A，54B，54C），以及指示比特流中的第一，第二和第三部分之间的边界位置的编码（55）值（C1）。

7. 发明申请

WO2013029231A1 ANISOTROPIC GRADIENT REGULARIZATION FOR IMAGE DENOISING, COMPRESSION, AND INTERPOLATION 审中-公开
标题翻译：用于图像识别，压缩和插值的各向异性梯度正则化
公开(公告)号：WO2013029231A1
公开(公告)日：2013-03-07
申请号：PCT/CN2011/079093
申请日：2011-08-30
申请人： TECHNICOLOR (CHINA) TECHNOLOGY CO., LTD. , JIANG, Wenfei , JIN, Jian , CHEN, Zhibo
发明人： JIANG, Wenfei , JIN, Jian , CHEN, Zhibo
IPC分类号： G06T5/00
CPC分类号： G06T5/002 , G06T5/20 , G06T2207/20021 , G06T2207/20192
摘要： De-noising an image by Anisotropic Gradient Regulation commences by first choosing edge directions for the image. Thereafter, an anisotropic gradient norm is established for the image from anisotropic gradient norms along the selected edge directions. The image pixels undergo adjustment to minimize the anisotropic gradient norm for the image, thereby removing image noise.
摘要翻译：首先选择图像的边缘方向，通过各向异性梯度调节来消除图像。此后，沿着所选边缘方向从各向异性梯度范数的图像建立各向异性梯度范数。图像像素经过调整以最小化图像的各向异性梯度范数，从而消除图像噪声。

8. 发明申请

WO2012175010A1 METHOD AND DEVICE FOR PROCESSING OF AN IMAGE 审中-公开
标题翻译：用于处理图像的方法和装置
公开(公告)号：WO2012175010A1
公开(公告)日：2012-12-27
申请号：PCT/CN2012/077138
申请日：2012-06-19
申请人： TECHNICOLOR (CHINA) TECHNOLOGY CO., LTD. , JIANG, Wenfei , JIN, Jian , CHEN, Zhibo
发明人： JIANG, Wenfei , JIN, Jian , CHEN, Zhibo
IPC分类号： G06T5/00 , H04N1/409 , H04N1/58
CPC分类号： G06T5/00 , G06T5/002 , G06T2207/20192 , H04N1/4092
摘要： The invention addresses the problem that traditional Total Variation only enforces the horizontal and vertical intensity continuity and thus fails to reconstruct oblique edges well. In an embodiment, Directional Total Variation is defined which supports multiple gradient directions. It first pre-processes the image and determines the direction of edges / texture; Directional TV is calculated based on the gradients along the determined direction and its orthogonal direction. By utilizing adaptive weights to different directions in the regularization, Directional TV is capable of preserving edges independent from their orientation nicely. Thus, Directional TV regularization based image denoising, compression or super resolution tend to obtain better quality.
摘要翻译：本发明解决了传统的总变化仅强制水平和垂直强度连续性并因此不能很好地重建倾斜边缘的问题。在一个实施例中，定义了方向总变化，其支持多个梯度方向。它首先预处理图像并确定边缘/纹理的方向; 定向电视是根据沿确定方向及其正交方向的梯度计算的。通过在正规化中利用不同方向的自适应权重，定向电视能够很好地保持与其方向无关的边缘。因此，基于定向电视正则化的图像去噪，压缩或超分辨率往往获得更好的质量。

9. 发明申请

WO2013113168A1 METHOD FOR SETTING AND DETERMINING DIRECTIONS OF PRINCIPAL AXES OF 3D OBJECT 审中-公开
标题翻译：用于设置和确定3D对象主轴方向的方法
公开(公告)号：WO2013113168A1
公开(公告)日：2013-08-08
申请号：PCT/CN2012/070871
申请日：2012-02-03
申请人： THOMSON LICENSING , JIANG, Wenfei , CAI, Kangying , LUO, Tao
发明人： JIANG, Wenfei , CAI, Kangying , LUO, Tao
IPC分类号： G06T15/00
CPC分类号： G06T15/00 , G06T7/70 , G06T19/00
摘要： The invention provides a method for setting the directions of principal axes of a 3D object is provided. The method comprises: for each of any two principal axes, setting the direction of the principal axis according to at least one predefined function, with which the result calculated of the 3D object for the vertices in the positive half space of the principal axis is smaller than or equal to the result for the vertices in the negative half space of the principal axis, wherein a vertex in the positive half space of the principal axis means the one with a coordinate of the principal axis larger than 0, and a vertex in the negative half space of the principal axis means the one with a coordinate of the axis smaller than 0; setting the direction of the third principal axis of to follow the right-hand rule with said two principal axes, wherein the vector for the third axis is the cross product of the vectors for said two principal axes; and displaying a signal of the 3D object with the directions of the principal axes set according to the above steps.
摘要翻译：本发明提供了一种设置3D对象主轴方向的方法。该方法包括：对于任何两个主轴中的每一个，根据至少一个预定义的功能来设定主轴的方向，利用该预定义函数计算主轴的正半空间中顶点的3D对象的结果较小大于或等于主轴的负半空间中的顶点的结果，其中主轴的正半空间中的顶点是指主轴的坐标大于0的顶点，以及主轴的负半空间是指轴小于0的坐标轴; 设置第三主轴的方向以所述两个主轴遵循右手规则，其中第三轴的向量是用于所述两个主轴的向量的交叉乘积; 以及根据上述步骤，按照主轴的方向显示3D对象的信号。

10. 发明申请

WO2013067673A1 PREDICTIVE POSITION DECODING 审中-公开
标题翻译：预测位置解码
公开(公告)号：WO2013067673A1
公开(公告)日：2013-05-16
申请号：PCT/CN2011/081878
申请日：2011-11-07
申请人： THOMSON LICENSING , JIANG, Wenfei , CAI, Kangying , MA, Teng
发明人： JIANG, Wenfei , CAI, Kangying , MA, Teng
IPC分类号： G06T9/40
CPC分类号： G06T17/20 , G06T9/001 , G06T9/004 , G06T9/005 , G06T9/40
摘要： A method and apparatus for position decoding of three dimensional mesh models are described including predicting a symbol probability of a non-empty-child-cell C 1,k, where C 1,k denotes the k th cell at layer l , wherein the symbol probability is estimated based on an accuracy of a fitted plane P , decoding the non-empty-child-cell responsive to the received predicted probability of the non-empty-child-cell, subdividing the non-empty-child-cell, if the non-empty-child-cell has more than one vertex, determining if there are more unprocessed non-empty-child-cells at layer /, determining if a lowest layer of non-empty-child -cells has been reached, if there are no more unprocessed non-empty- child-cells at layer / and regenerating the three dimensional mesh model, if the lowest layer of non-empty-child-cells has been reached.
摘要翻译：描述了一种用于三维网格模型的位置解码的方法和装置，包括预测非空子小区C1的符号概率，其中C1，k表示层1处的第k个小区，其中估计符号概率基于拟合平面P的精度，响应于所接收到的非空子小区的预测概率对非空子小区进行解码，对非空子小区进行细分，如果非空子小区 -child-cell具有多个顶点，确定层/中是否存在更多未处理的非空子小区，如果没有更多的未处理，则确定是否已经达到最低层的非空子小区 - 如果已经达到最低层的非空 - 子 - 小区，则层/非空子节点和/或再生三维网格模型。

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