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1. 发明授权

US09344218B1 Error resilience for interactive real-time multimedia applications 有权
标题翻译：交互式实时多媒体应用程序的错误恢复能力
公开(公告)号：US09344218B1
公开(公告)日：2016-05-17
申请号：US14462266
申请日：2014-08-18
申请人： Qiyong Liu , Zhaofeng Jia , Kai Jin , Jing Wu , Huipin Zhang
发明人： Qiyong Liu , Zhaofeng Jia , Kai Jin , Jing Wu , Huipin Zhang
IPC分类号： H04L1/18 , H03M13/00 , H04L1/00 , H04N7/15
CPC分类号： H04L1/08 , H04L1/0009 , H04L1/0045 , H04L1/007 , H04L1/0076 , H04L1/1867 , H04L43/0829 , H04L65/403 , H04L65/607 , H04L65/80 , H04L2001/0093 , H04N7/152
摘要： An error resilience method comprising: using a computer, creating and storing, in computer memory, one or more FEC filter tables for use by the FEC filter for selectively forwarding a FEC packet; selectively forwarding a request for the FEC packet through a FEC filter based on the FEC table and a dynamic packet loss level at a receiver; limiting a re-transmission request for a particular packet through the FEC filter based on a number of re-transmission requests for the particular packet; and selectively skipping a key frame request based on a number of key frame requests received from a plurality receiver devices, wherein the method is performed by one or more special-purpose computing devices.
摘要翻译：一种错误恢复方法，包括：使用计算机，在计算机存储器中创建和存储一个或多个FEC过滤器表，供FEC过滤器用于选择性地转发FEC分组; 基于FEC表选择性地转发通过FEC滤波器对FEC分组的请求以及在接收机处的动态分组丢失水平; 基于针对特定分组的重传请求的数量，通过FEC滤波器限制针对特定分组的重传请求; 以及基于从多个接收机设备接收的多个关键帧请求选择性地跳过关键帧请求，其中所述方法由一个或多个专用计算设备执行。

2. 发明授权

US08737464B1 Adaptive quantization for perceptual video coding 有权
标题翻译：感知视频编码的自适应量化
公开(公告)号：US08737464B1
公开(公告)日：2014-05-27
申请号：US13187900
申请日：2011-07-21
申请人： Huipin Zhang , Jing Wu , Sijia Chen , Dunbi Huang , Yi Guo
发明人： Huipin Zhang , Jing Wu , Sijia Chen , Dunbi Huang , Yi Guo
IPC分类号： H04N11/02
CPC分类号： H04N19/154 , H04N19/126 , H04N19/176
摘要： In one embodiment, a perceptual video coder obtains local video content, and calculates a feature index for each of one or more features of a video unit of the local video content. Each feature index is then directly mapped to a delta quantization parameter (QP) using a linear fractional model that explicitly establishes a relation between the delta QP and a Human Visual System (HVS) insensitivity index, e.g., where the delta QP is set based on a comparison between a local strength of the HVS insensitivity index and an overall strength of a particular frame of the local video content. Accordingly, a QP of an adaptive quantization may be refined by adding to it each delta QP, such that adaptive quantization may be performed on the video unit based on the refined QP.
摘要翻译：在一个实施例中，感知视频编码器获取本地视频内容，并且计算本地视频内容的视频单元的一个或多个特征中的每一个的特征索引。然后使用明确建立增量QP与人类视觉系统（HVS）不敏感性指数之间的关系的线性分数模型将每个特征索引直接映射到增量量化参数（QP），例如，其中基于 HVS不敏感指数的局部强度与本地视频内容的特定帧的总体强度之间的比较。因此，自适应量化的QP可以通过向其中加上每个ΔPQ来精化，使得可以基于精确的QP对视频单元执行自适应量化。

3. 发明授权

US08477849B2 Wavelet based multiresolution video representation with spatially scalable motion vectors 有权
标题翻译：基于小波的多分辨率视频表示与空间可缩放的运动矢量
公开(公告)号：US08477849B2
公开(公告)日：2013-07-02
申请号：US11952721
申请日：2007-12-07
申请人： Huipin Zhang , Frank Jan Bossen
发明人： Huipin Zhang , Frank Jan Bossen
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04 , H04B1/66
CPC分类号： H04N19/615 , H04N19/13 , H04N19/31 , H04N19/34 , H04N19/517 , H04N19/61 , H04N19/63 , H04N19/647 , H04N19/70
摘要： Wavelet based multiresolution video representations generated by multi-scale motion compensated temporal filtering (MCTF) and spatial wavelet transform are disclosed. Since temporal filtering and spatial filtering are separated in generating such representations, there are many different ways to intertwine single-level MCTF and single-level spatial filtering, resulting in many different video representation schemes with spatially scalable motion vectors for the support of different combination of spatial scalability and temporal scalability. The problem of design of such a video representation scheme to full the spatial/temporal scalability requirements is studied. Signaling of the scheme to the decoder is also investigated. Since MCTF is performed subband by subband, motion vectors are available for reconstructing video sequences of any possible reduced spatial resolution, restricted by the dyadic decomposition pattern and the maximal spatial decomposition level. It is thus clear that the family of decomposition schemes provides efficient and versatile multiresolution video representations for fully scalable video coding.
摘要翻译：公开了通过多尺度运动补偿时间滤波（MCTF）和空间小波变换产生的基于小波的多分辨率视频表示。由于时间滤波和空间滤波在生成这种表示中是分开的，所以有许多不同的方式来交织单级MCTF和单级空间滤波，导致许多不同的视频表示方案具有空间可缩放的运动矢量，用于支持不同组合空间可扩展性和时间可扩展性。研究了这样的视频表示方案的设计问题，以满足空间/时间的可扩展性要求。还调查了解码器的方案的信令。由于MCTF通过子带进行子带，运动矢量可用于重建由二分解模式和最大空间分解水平限制的任何可能的降低的空间分辨率的视频序列。因此，清楚的是，分解方案族为完全可扩展的视频编码提供了有效且通用的多分辨率视频表示。

4. 发明申请

US20080152011A1 WAVELET BASED MULTIRESOLUTION VIDEO REPRESENTATION WITH SPATIALLY SCALABLE MOTION VECTORS 有权
标题翻译：基于波形的多分辨率视频表示与空间可调运动矢量
公开(公告)号：US20080152011A1
公开(公告)日：2008-06-26
申请号：US11952721
申请日：2007-12-07
申请人： Huipin Zhang , Frank Jan Bossen
发明人： Huipin Zhang , Frank Jan Bossen
IPC分类号： H04N7/32
CPC分类号： H04N19/615 , H04N19/13 , H04N19/31 , H04N19/34 , H04N19/517 , H04N19/61 , H04N19/63 , H04N19/647 , H04N19/70
摘要： Wavelet based multiresolution video representations generated by multi-scale motion compensated temporal filtering (MCTF) and spatial wavelet transform are disclosed. Since temporal filtering and spatial filtering are separated in generating such representations, there are many different ways to intertwine single-level MCTF and single-level spatial filtering, resulting in many different video representation schemes with spatially scalable motion vectors for the support of different combination of spatial scalability and temporal scalability. The problem of design of such a video representation scheme to full the spatial/temporal scalability requirements is studied. Signaling of the scheme to the decoder is also investigated. Since MCTF is performed subband by subband, motion vectors are available for reconstructing video sequences of any possible reduced spatial resolution, restricted by the dyadic decomposition pattern and the maximal spatial decomposition level. It is thus clear that the family of decomposition schemes provides efficient and versatile multiresolution video representations for fully scalable video coding.
摘要翻译：公开了通过多尺度运动补偿时间滤波（MCTF）和空间小波变换产生的基于小波的多分辨率视频表示。由于时间滤波和空间滤波在生成这种表示中是分开的，所以有许多不同的方式来交织单级MCTF和单级空间滤波，导致许多不同的视频表示方案具有空间可缩放的运动矢量，用于支持不同组合空间可扩展性和时间可扩展性。研究了这样的视频表示方案的设计问题，以满足空间/时间的可扩展性要求。还对该解码器的信令进行了调查。由于MCTF通过子带进行子带，运动矢量可用于重建由二分解模式和最大空间分解水平限制的任何可能的降低的空间分辨率的视频序列。因此，清楚的是，分解方案族为完全可扩展的视频编码提供了有效和通用的多分辨率视频表示。

5. 发明授权

US07321625B2 Wavelet based multiresolution video representation with spatially scalable motion vectors 有权
标题翻译：基于小波的多分辨率视频表示与空间可缩放的运动矢量
公开(公告)号：US07321625B2
公开(公告)日：2008-01-22
申请号：US10318802
申请日：2002-12-13
申请人： Huipin Zhang , Frank Jan Bossen
发明人： Huipin Zhang , Frank Jan Bossen
IPC分类号： H04B1/66 , H04N7/12 , H04N11/02 , H04N11/06
CPC分类号： H04N19/615 , H04N19/13 , H04N19/31 , H04N19/34 , H04N19/517 , H04N19/61 , H04N19/63 , H04N19/647 , H04N19/70
摘要： Wavelet based multiresolution video representations generated by multi-scale motion compensated temporal filtering (MCTF) and spatial wavelet transform are disclosed. Since temporal filtering and spatial filtering are separated in generating such representations, there are many different ways to intertwine single-level MCTF and single-level spatial filtering, resulting in many different video representation schemes with spatially scalable motion vectors for the support of different combination of spatial scalability and temporal scalability. The problem of design of such a video representation scheme to full the spatial/temporal scalability requirements is studied. Signaling of the scheme to the decoder is also investigated. Since MCTF is performed subband by subband, motion vectors are available for reconstructing video sequences of any possible reduced spatial resolution, restricted by the dyadic decomposition pattern and the maximal spatial decomposition level. It is thus clear that the family of decomposition schemes provides efficient and versatile multiresolution video representations for fully scalable video coding.
摘要翻译：公开了通过多尺度运动补偿时间滤波（MCTF）和空间小波变换产生的基于小波的多分辨率视频表示。由于时间滤波和空间滤波在生成这种表示中是分开的，所以有许多不同的方式来交织单级MCTF和单级空间滤波，导致许多不同的视频表示方案具有空间可缩放的运动矢量，用于支持不同组合空间可扩展性和时间可扩展性。研究了这样的视频表示方案的设计问题，以满足空间/时间的可扩展性要求。还对该解码器的信令进行了调查。由于MCTF通过子带进行子带，运动矢量可用于重建由二分解模式和最大空间分解水平限制的任何可能的降低的空间分辨率的视频序列。因此，清楚的是，分解方案族为完全可扩展的视频编码提供了有效且通用的多分辨率视频表示。

6. 发明授权

US07136541B2 Method of performing sub-pixel based edge-directed image interpolation 有权
标题翻译：执行基于子像素的边缘向量图像插值的方法
公开(公告)号：US07136541B2
公开(公告)日：2006-11-14
申请号：US10273781
申请日：2002-10-18
申请人： Huipin Zhang , Cheung Auyeung , Takao Yamazaki
发明人： Huipin Zhang , Cheung Auyeung , Takao Yamazaki
IPC分类号： G06K9/32
CPC分类号： G06T3/403
摘要： A method of generating a value for a missing pixel “x” by determining a “least harmful” local edge direction between pixels, or sub-pixels, on substantially opposing sides of the missing pixel, and interpolating the difference to arrive at a value for pixel “x”. The method involves generating sub-pixel values for locations within neighboring pixels, the sub-pixels may comprise half-pixels, quarter-pixels, three-quarter pixels, and so forth, wherein any fractional pixel quantity may be created. Absolute difference values are calculated between neighboring pixels, or sub-pixel values, to determine a least harmful local edge direction along which a value is generated for pixel “x” by interpolation.
摘要翻译：通过在缺失像素的基本相对的侧面上确定像素或子像素之间的“最不利的”局部边缘方向来产生缺失像素“x”的值的方法，并且内插差值以得到像素“x”。该方法涉及为相邻像素内的位置生成子像素值，子像素可以包括半像素，四分之一像素，四分之三像素等，其中可以创建任何分数像素数量。在相邻像素或子像素值之间计算绝对差值，以确定通过插值为像素“x”生成值的最不利的局部边缘方向。

7. 发明授权

US08831089B1 Method and apparatus for selecting optimal video encoding parameter configurations 有权
标题翻译：用于选择最佳视频编码参数配置的方法和装置
公开(公告)号：US08831089B1
公开(公告)日：2014-09-09
申请号：US11496410
申请日：2006-07-31
申请人： Huipin Zhang
发明人： Huipin Zhang
IPC分类号： H04N11/02
CPC分类号： H04N19/162 , H04N19/102 , H04N19/154 , H04N19/179 , H04N19/194 , H04N19/197
摘要： A method for determining optimal video encoding parameters is disclosed. The method generally includes the steps of (A) storing a plurality of configurable parameters each comprising a respective trial value, (B) generating a bitstream by encoding a test sequence of pictures using (i) a plurality of non-configurable parameters fixed in a design of the encoder, (ii) the configurable parameters and (iii) a plurality of dynamic parameters adjustable in real time by the encoder, (C) generating a reconstructed sequence of pictures by decoding the bitstream, (D) generating a quality metric based on the reconstructed sequence of pictures compared with the test sequence of pictures and (E) adjusting the respective trial values to optimize the quality metric.
摘要翻译：公开了一种用于确定最佳视频编码参数的方法。该方法通常包括以下步骤：（A）存储多个可配置参数，每个可配置参数包括各自的试用值，（B）通过使用（i）多个不可配置参数固定在编码器的设计，（ii）可配置参数和（iii）由编码器实时调节的多个动态参数，（C）通过解码比特流来产生重构的图像序列，（D）基于质量度量生成对图像的重建序列与图像的测试序列进行比较，（E）调整各个试验值以优化质量度量。

8. 发明授权

US08326068B1 Method and apparatus for modeling quantization matrices for image/video encoding 有权
标题翻译：用于建模图像/视频编码的量化矩阵的方法和装置
公开(公告)号：US08326068B1
公开(公告)日：2012-12-04
申请号：US11512736
申请日：2006-08-30
申请人： Huipin Zhang , Guy Cote
发明人： Huipin Zhang , Guy Cote
IPC分类号： G06K9/00
CPC分类号： H04N19/625 , H04N19/126 , H04N19/154
摘要： A method for encoding an image is disclosed. The method generally includes the steps, of (A) generating a quantization matrix as a function of at least four parameters, (B) optimizing the parameters to maximize a quality metric for encoding the image and (C) encoding the image with the quantization matrix as optimized.
摘要翻译：公开了一种图像编码方法。该方法通常包括以下步骤：（A）生成作为至少四个参数的函数的量化矩阵，（B）优化参数以最大化用于编码图像的质量度量;（C）使用量化矩阵对图像进行编码优化。

9. 发明授权

US07715652B1 Method and/or apparatus for detecting homogeneity of blocks in an image processing system 有权
标题翻译：用于检测图像处理系统中块的均匀性的方法和/或装置
公开(公告)号：US07715652B1
公开(公告)日：2010-05-11
申请号：US11232459
申请日：2005-09-21
申请人： Huipin Zhang , Jiangtao Wen , José R. Alvarez
发明人： Huipin Zhang , Jiangtao Wen , José R. Alvarez
IPC分类号： G06K9/36
CPC分类号： G06T7/44 , G06T7/11 , G06T2200/28
摘要： An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to (i) receive an image data stream comprising a plurality of frames each having a plurality of regions, (ii) select a particular region to be marked as being homogeneous or not homogeneous, and (iii) determine whether a group of neighboring regions to the selected region are qualified or not qualified. The second circuit may be configured to mark the selected region as being homogeneous when one or more of the adjacent regions are (i) qualified and (ii) previously marked as being homogeneous.
摘要翻译：一种包括第一电路和第二电路的装置。第一电路可以被配置为（i）接收包括多个帧的图像数据流，每个帧具有多个区域，（ii）选择要标记为均匀或不均匀的特定区域，以及（iii）确定是否所选地区的一组邻近地区有资格或不合格。第二电路可以被配置为当一个或多个相邻区域（i）合格并且（ii）先前标记为均匀时，将所选择的区域标记为均匀。

10. 发明授权

US09036712B1 Methods and/or apparatus for controlling zero-residual coding in predictive image/video coding 有权
标题翻译：用于在预测图像/视频编码中控制零残差编码的方法和/或装置
公开(公告)号：US09036712B1
公开(公告)日：2015-05-19
申请号：US11430127
申请日：2006-05-08
申请人： Guy Cote , Huipin Zhang
发明人： Guy Cote , Huipin Zhang
IPC分类号： H04N7/12 , H04N7/52
CPC分类号： H04N7/52 , H04N19/103 , H04N19/132 , H04N19/139 , H04N19/149 , H04N19/154 , H04N19/176 , H04N19/18 , H04N19/61
摘要： A method for coding video is disclosed. The method generally includes the steps of (A) receiving a video signal having a series of pictures, each of the pictures having a plurality of blocks, (B) analyzing the blocks to forecast if coding the blocks in a zero-residual coding mode would generate a plurality of artifacts, (C) disabling the zero-residual coding mode for the blocks forecasted to generate at least one of the artifacts and (D) enabling the zero-residual coding mode for the blocks forecasted to generate none of the artifacts.
摘要翻译：公开了一种视频编码方法。该方法通常包括以下步骤：（A）接收具有一系列图像的视频信号，每个图像具有多个块，（B）分析块以预测是否以零残差编码模式编码块产生多个伪像，（C）禁止预测的块的零残余编码模式以产生伪像中的至少一个，以及（D）为预测的块生成无伪像的零残余编码模式。

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