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1. 发明授权

US08990275B2 Method for encoding floating-point data, method for decoding floating-point data, and corresponding encoder and decoder 有权
标题翻译：浮点数据编码方法，浮点数据解码方法，以及相应的编码器和解码器
公开(公告)号：US08990275B2
公开(公告)日：2015-03-24
申请号：US13394158
申请日：2010-09-09
申请人： Qu Qing Chen , Tong Zhou , Zhi Bo Chen
发明人： Qu Qing Chen , Tong Zhou , Zhi Bo Chen
IPC分类号： G06F7/00 , G06T9/00 , H03M7/24 , H03M7/30 , H04N19/50 , H04N19/70 , H04N19/61 , H04N19/423
CPC分类号： G06T9/001 , H03M7/24 , H03M7/30 , H04N19/423 , H04N19/50 , H04N19/61 , H04N19/70
摘要： An algorithm for efficiently compressing floating-point data in 3D meshes is disclosed. 3D meshes are represented by topology data, geometry data and property data. Geometry data specify vertex locations and are usually represented by floating-point coordinates. While geometry data are usually compressed by quantization, prediction and entropy coding, the present invention uses no prediction. A floating-point number consists of mantissa and exponent, and normally the exponent, sign and mantissa are compressed separately. A method for encoding floating-point formatted data comprises determining if a current floating-point value was previously stored in a memory, storing the current value in the memory if it was not previously stored in the memory, and encoding it. Otherwise, if the current floating-point value was previously stored in a memory, the storage position of the value within the memory is determined and a reference pointing to the storage position is encoded.
摘要翻译：公开了一种用于有效压缩3D网格中的浮点数据的算法。 3D网格由拓扑数据，几何数据和属性数据表示。几何数据指定顶点位置，通常由浮点坐标表示。虽然几何数据通常通过量化，预测和熵编码进行压缩，但是本发明不使用预测。浮点数由尾数和指数组成，通常分别压缩指数，符号和尾数。用于对浮点格式化数据进行编码的方法包括确定当前浮点值是否预先存储在存储器中，如果当前值未预先存储在存储器中并将其编码，则将当前值存储在存储器中。否则，如果当前浮点值预先存储在存储器中，则确定存储器内的值的存储位置并编码指向存储位置的引用。

2. 发明授权

US08970710B2 Method and apparatus for measuring quality of video based on frame loss pattern 有权
标题翻译：基于帧丢失模式测量视频质量的方法和装置
公开(公告)号：US08970710B2
公开(公告)日：2015-03-03
申请号：US13989130
申请日：2010-11-30
申请人： Xiao Dong Gu , De Bing Liu , Zhi Bo Chen
发明人： Xiao Dong Gu , De Bing Liu , Zhi Bo Chen
IPC分类号： H04N17/00 , H04N17/02
CPC分类号： H04N17/00 , H04N17/004
摘要： A method and apparatus for measuring the quality of a video is provided. The method comprises: generating a frame loss pattern of the video by indicating whether each frame in the video is lost or successfully transmitted; and evaluating the quality of the video as a function of the generated t came loss pattern.
摘要翻译：提供了一种用于测量视频质量的方法和装置。该方法包括：通过指示视频中的每个帧是丢失还是成功发送来产生视频的帧丢失模式; 并且根据所产生的损失模式评估视频的质量。

3. 发明授权

US08625911B2 Compression of 3D meshes with repeated patterns 有权
标题翻译：用重复图案压缩3D网格
公开(公告)号：US08625911B2
公开(公告)日：2014-01-07
申请号：US13379405
申请日：2010-06-09
申请人： Kang Ying Cai , Yu Jin , Zhi Bo Chen
发明人： Kang Ying Cai , Yu Jin , Zhi Bo Chen
IPC分类号： G06K9/36
CPC分类号： G06T9/001 , G06T9/004
摘要： 3D models of the engineering class usually have a large number of connected components, with small numbers of large triangles, often with arbitrary connectivity. To enable compact storage and fast transmission of large 3D mesh models, an efficient compression strategy specially designed for 3D mesh models is provide. A method for encoding a 3D mesh model comprises determining and clustering repeating components, normalizing the components, wherein scaling factors are clustered and orientation axes are clustered, encoding the connected components using references to the clusters, and entropy encoding the connected components.
摘要翻译：工程类的3D模型通常具有大量连接的组件，具有小数量的大三角形，通常具有任意连接。为了实现大型3D网格模型的紧凑存储和快速传输，提供了专门为3D网格模型设计的高效压缩策略。一种用于对3D网格模型进行编码的方法包括：确定和聚类重复分量，对分量进行归一化，其中缩放因子被聚集并且定向轴被聚集，使用对集群的引用来编码所连接的分量，以及对所连接的分量进行熵编码。

4. 发明申请

US20130223208A1 METHOD AND APPARATUS FOR QUALITY OF EXPERIENCE MANAGEMENT FOR NETWORK SERVICES 有权
标题翻译：网络服务经验管理质量的方法与装置
公开(公告)号：US20130223208A1
公开(公告)日：2013-08-29
申请号：US13882541
申请日：2010-11-01
申请人： Ning Liao , Zhi Bo Chen , Xian Lei Wang
发明人： Ning Liao , Zhi Bo Chen , Xian Lei Wang
IPC分类号： H04L12/70
CPC分类号： H04L47/24 , H04L41/22 , H04L41/5025 , H04L41/5054 , H04L41/5067 , H04L41/509 , H04L43/0829 , H04L43/0852 , H04L43/0894 , H04L47/762 , H04L47/805
摘要： The present invention provides a QoE (Quality of Experience) management solution, wherein QoE feedback is used to optimize the usage of QoS provisioning techniques, thus improving the utilization efficiency of network resources. According to one aspect of the invention, a method for QoE management for a network service provided to a user device, the method comprising: displaying a user interface on the user device for a user to input an expected QoE value of the network service; receiving the expected QoE value of the network service from the user; evaluating an objective QoE value of the network service as a function of network QoS parameters; and adjusting the QoS parameters of the network service if the objective QoE value is less than the expected QoE value.
摘要翻译：本发明提供一种QoE（体验质量）管理解决方案，其中使用QoE反馈来优化QoS配置技术的使用，从而提高网络资源的利用效率。根据本发明的一个方面，提供了一种用于提供给用户设备的网络服务的QoE管理方法，所述方法包括：在所述用户设备上显示用户界面以供用户输入所述网络服务的预期QoE值; 从用户接收网络服务的预期QoE值; 评估网络服务的客观QoE值作为网络QoS参数的函数; 如果目标QoE值小于预期QoE值，则调整网络服务的QoS参数。

5. 发明授权

US08514109B2 Method and device for encoding an input bit sequence and corresponding decoding method and device 有权
标题翻译：用于编码输入比特序列的方法和装置以及相应的解码方法和装置
公开(公告)号：US08514109B2
公开(公告)日：2013-08-20
申请号：US13138715
申请日：2010-03-30
申请人： Qu Qing Chen , Kang Ying Cai , Zhi Bo Chen , Jun Teng
发明人： Qu Qing Chen , Kang Ying Cai , Zhi Bo Chen , Jun Teng
IPC分类号： H03M7/30
CPC分类号： H03M5/14 , H03M7/30
摘要： The invention is made in the technical field of encoding and decoding of bit sequences. The invention proposes a device for compression-encoding an input bit sequence in which Zeroes and Ones occur equally frequent, comprising an XOR gate adapted for receiving pairs of immediately succeeding bits of the input bit sequence as inputs and for outputting further bits of another bit sequence, means for adding a bit to said other bit sequence wherein the added bit is a primary bit which is equal to a primary bit of the input bit sequence or a last bit which is equal to a last bit of the input bit sequence, and means for encoding the other sequence. The XOR gate transforms the input bit sequence into the other bit sequence which comprises more uneven frequencies of occurrence of Zeroes and Ones than the input bit sequence.
摘要翻译：本发明是在比特序列的编码和解码的技术领域中进行的。本发明提出了一种对输入比特序列进行压缩编码的装置，其中零和等于频繁出现，包括适合于接收输入比特序列的紧随后排的对的XOR门作为输入，并用于输出另一比特序列的其他比特，用于向所述其他比特序列添加比特的装置，其中所述相加比特是等于所述输入比特序列的主比特或等于所述输入比特序列的最后比特的最后比特的主比特;以及装置用于编码其他序列。 XOR门将输入比特序列转换为另一个比特序列，其中包括比输入比特序列更多的不均匀出现零和零的频率。

6. 发明申请

US20130211803A1 METHOD AND DEVICE FOR AUTOMATIC PREDICTION OF A VALUE ASSOCIATED WITH A DATA TUPLE 审中-公开
标题翻译：用于自动预测与数据轮相关的数值的方法和装置
公开(公告)号：US20130211803A1
公开(公告)日：2013-08-15
申请号：US13879407
申请日：2010-10-18
申请人： Feng Xu , De Bing Liu , Xiao Dong Gu , Zhi Bo Chen
发明人： Feng Xu , De Bing Liu , Xiao Dong Gu , Zhi Bo Chen
IPC分类号： G06F17/50
CPC分类号： G06F17/5018 , G06F17/18 , G06K9/6276 , G06N20/00 , H04N19/14 , H04N19/154 , H04N19/162
摘要： The invention relates to a method and a device for automatic prediction of a current value using a weighted average of a number of current reference values, wherein the current value is associated with a current pair consisting of a first and a second current data tuple. The method comprises using a set of reference pairs, each reference pair consisting of a first and a second reference data tuple and being associated with a reference value, for selecting the current reference values wherein the first reference data tuples, the first current data tuple and a first metric is used for selecting, determining, for each current reference value, an associated weight using the second reference data tuples of the pair associated with the respective selected reference value, the second current data tuple and a second metric, and using the current reference values and the determined weights for determining the weighted average.
摘要翻译：本发明涉及一种使用多个当前参考值的加权平均来自动预测当前值的方法和装置，其中当前值与由第一和第二当前数据元组组成的当前对相关联。该方法包括使用一组参考对，每个参考对由第一和第二参考数据元组组成并与参考值相关联，用于选择当前参考值，其中第一参考数据元组，第一当前数据元组和第一度量用于使用与相应选择的参考值，第二当前数据元组和第二度量相关联的对的第二参考数据元组来选择，确定每个当前参考值相关联的权重，并且使用当前参考值和确定加权平均值的确定权重。

7. 发明授权

US08503520B2 Method and apparatus for encoding a flash picture occurring in a video sequence, and for decoding corresponding data for a flash picture 有权
标题翻译：用于编码在视频序列中发生的闪光图像并用于解码闪光照片的相应数据的方法和装置
公开(公告)号：US08503520B2
公开(公告)日：2013-08-06
申请号：US12310459
申请日：2006-09-01
申请人： Qu Qing Chen , Zhi Bo Chen , Xiao Dong Gu
发明人： Qu Qing Chen , Zhi Bo Chen , Xiao Dong Gu
IPC分类号： H04B1/66
CPC分类号： H04N19/103 , H04N19/14 , H04N19/172 , H04N19/46 , H04N19/85
摘要： When video sequences are obtained from e.g. news, interviews, conferences and sports matches, flashlight often appears in the video due to photographing. When encoding the video sequence, the intensity changes a lot so that the motion estimation can not find a well-matching block in a previous picture. Accordingly, the video encoder will encode in intra mode and thereby generate much more bits than for the neighboring non-flash pictures. According to the invention, not the real flash picture is encoded in the video sequence but an artificial non-flash or de-flashed picture, and some indications and parameters are inserted into the bit stream to model the flash effect. The decoder can regenerate the flash picture by reconstructing the non-flash picture and then adding the flash effect. The number of bits required for coding flash pictures is thereby significantly reduced.
摘要翻译：当视频序列从例如新闻，采访，会议和体育比赛，手电筒经常出现在视频中由于拍摄。当对视频序列进行编码时，强度变化很大，使得运动估计在前一图像中找不到匹配良好的块。因此，视频编码器将以帧内模式进行编码，从而生成比相邻的非闪光照片多得多的位。根据本发明，实际的闪光灯图像不是在视频序列中被编码，而是人造非闪光或去闪光的图像，并且一些指示和参数被插入到比特流中以对闪光效果建模。解码器可以通过重建非闪光照片然后添加闪光灯效果来重新生成闪光灯图像。因此，闪存图像编码所需的位数显着减少。

8. 发明授权

US08478060B2 Method and device for compressing an image and storage medium carrying an image compressed by said method 有权
标题翻译：用于压缩图像的携带由所述方法压缩的图像的存储介质的方法和装置
公开(公告)号：US08478060B2
公开(公告)日：2013-07-02
申请号：US12735764
申请日：2009-02-03
申请人： Libo Yang , Zhi Bo Chen , Xiao Ming Huang
发明人： Libo Yang , Zhi Bo Chen , Xiao Ming Huang
IPC分类号： G06K9/36
CPC分类号： H04N19/184 , H04N19/124 , H04N19/129 , H04N19/132 , H04N19/154 , H04N19/63 , H04N19/647
摘要： The invention is related to a method for compressing images. The proposed method comprises associating perceptual importance parameters with pixels of the image, applying a transform on the image, partitioning the transformed image into code blocks and encoding coefficient bits of a given code block together from a most significant bit plane towards a least significant bit plane, wherein encoding of at least one coefficient is truncated at a truncation bit plane depending on the perceptual importance parameter associated with the pixel to which said code block coefficient corresponds. Truncating encoding of coefficients in dependency on the perceptual importance of the pixel associated with the coefficient allows for truncating coefficients corresponding to perceptually less important pixels at more significant bit planes. So, the overall perceptual quality of the compressed image is enhanced.
摘要翻译：本发明涉及一种压缩图像的方法。所提出的方法包括将感知重要性参数与图像的像素相关联，对图像应用变换，将经变换的图像划分为代码块，并将给定代码块的系数位从最高有效位平面朝向最低有效位平面其中，根据与所述代码块系数对应的像素相关联的感知重要性参数，至少一个系数的编码在截断位平面被截断。根据与系数相关联的像素的感知重要性截断系数的编码允许在更有意义的位平面上截断对应于感知上较不重要的像素的系数。因此，压缩图像的整体感知质量得到提高。

9. 发明授权

US08335252B2 Method and apparatus for encoding groups of pictures of a video sequence, each of said groups including an intra encoded picture and more than two encoded pictures 有权
标题翻译：用于对视频序列的图像组进行编码的方法和装置，每个所述组包括帧内编码图像和多于两个编码图像
公开(公告)号：US08335252B2
公开(公告)日：2012-12-18
申请号：US12733265
申请日：2006-09-07
申请人： Qu Qing Chen , Zhi Bo Chen , Xiao Dong Gu
发明人： Qu Qing Chen , Zhi Bo Chen , Xiao Dong Gu
IPC分类号： H04N7/12
CPC分类号： G11B27/005 , H04N19/114 , H04N19/177 , H04N19/587 , H04N19/61 , H04N19/66 , H04N19/895
摘要： In known video coding standards there are basically three types of pictures: I, P and B. Video sequences are usually coded in a group of picture structure wherein several P or B pictures are coded following one I picture. However, this GOP structure has some disadvantages with respect to error resilience and storage medium recording. If a P picture is lost e.g. due to transmission channel error, then the subsequent P pictures can not be reconstructed correctly, and the error will propagate temporally and cause unpleasing artifacts. This GOP structure is designed for forward play only and makes complicated a reverse play operation. According to the invention, a reversible GOP structure is used for the video encoding and decoding. The RGOP structure contains both, a forward encoding chain and a backward encoding chain. Each picture in the RGOP structure is assigned to only one of these chains and the video pictures of adjacent RGOP chains are interleaved.
摘要翻译：在已知的视频编码标准中，基本上有三种类型的图像：I，P和B.视频序列通常以一组图像结构编码，其中多个P或B图像在一个I图像之后被编码。然而，该GOP结构在错误恢复性和存储介质记录方面具有一些缺点。如果P图像丢失，例如由于传输通道错误，则后续P图像无法正确重构，并且错误将在时间上传播并导致不愉快的伪像。该GOP结构仅用于正向播放，并且使得复杂的反向播放操作。根据本发明，可逆GOP结构用于视频编码和解码。 RGOP结构包含前向编码链和后向编码链。 RGOP结构中的每个图像仅分配给这些链中的一个，并且相邻RGOP链的视频图像被交织。

10. 发明申请

US20120166510A1 METHOD FOR ENCODING FLOATING-POINT DATA, METHOD FOR DECODING FLOATING-POINT DATA, AND CORRESPONDING ENCODER AND DECODER 有权
标题翻译：用于编码浮点数据的方法，用于解码浮点数据的方法以及对应编码器和解码器
公开(公告)号：US20120166510A1
公开(公告)日：2012-06-28
申请号：US13394158
申请日：2010-09-09
申请人： Qu Qing Chen , Tong Zhou , Zhi Bo Chen
发明人： Qu Qing Chen , Tong Zhou , Zhi Bo Chen
IPC分类号： G06F7/38
CPC分类号： G06T9/001 , H03M7/24 , H03M7/30 , H04N19/423 , H04N19/50 , H04N19/61 , H04N19/70
摘要： An algorithm for efficiently compressing floating-point data in 3D meshes is disclosed. 3D meshes are represented by topology data, geometry data and property data. Geometry data specify vertex locations and are usually represented by floating-point coordinates. While geometry data are usually compressed by quantization, prediction and entropy coding, the present invention uses no prediction. A floating-point number consists of mantissa and exponent, and normally the exponent, sign and mantissa are compressed separately. A method for encoding floating-point formatted data comprises determining if a current floating-point value was previously stored in a memory, storing the current value in the memory if it was not previously stored in the memory, and encoding it. Otherwise, if the current floating-point value was previously stored in a memory, the storage position of the value within the memory is determined and a reference pointing to the storage position is encoded.
摘要翻译：公开了一种用于有效压缩3D网格中的浮点数据的算法。 3D网格由拓扑数据，几何数据和属性数据表示。几何数据指定顶点位置，通常由浮点坐标表示。虽然几何数据通常通过量化，预测和熵编码进行压缩，但是本发明不使用预测。浮点数由尾数和指数组成，通常分别压缩指数，符号和尾数。用于对浮点格式化数据进行编码的方法包括确定当前浮点值是否预先存储在存储器中，如果当前值未预先存储在存储器中并将其编码，则将当前值存储在存储器中。否则，如果当前浮点值预先存储在存储器中，则确定存储器内的值的存储位置并编码指向存储位置的引用。

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