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1.发明申请公开(公告)号：US20120183237A1
公开(公告)日：2012-07-19
申请号：US12930666
申请日：2011-01-13
IPC分类号： G06K9/36
CPC分类号： H04N19/00042 , H04N19/11 , H04N19/176 , H04N19/42 , H04N19/593
摘要： A system and method for effectively performing an intra prediction procedure with an electronic device includes an encoder that utilizes a delta value comparison procedure to identify optimal delta values for creating optimal predicted blocks of image data corresponding to original blocks of image data. The encoder then utilizes the original blocks and the optimal predicted blocks to generate residual blocks that represent the original blocks in an encoded format. The encoder then generates a bitstream containing the delta value information and the residual block for storage or transmission purposes. A decoder may decode the delta values and the residual block to reconstruct the image block.
摘要翻译： 用于利用电子设备有效地执行帧内预测过程的系统和方法包括编码器，其使用增量值比较过程来识别用于创建与原始图像数据块相对应的图像数据的最佳预测块的最佳增量值。 然后，编码器利用原始块和最佳预测块来生成以编码格式表示原始块的残余块。 然后，编码器生成包含增量值信息和剩余块的比特流，用于存储或传输目的。 解码器可以解码增量值和残差块以重构图像块。
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2.发明授权公开(公告)号：US08811759B2
公开(公告)日：2014-08-19
申请号：US12930666
申请日：2011-01-13
CPC分类号： H04N19/00042 , H04N19/11 , H04N19/176 , H04N19/42 , H04N19/593
摘要： A system and method for effectively performing an intra prediction procedure with an electronic device includes an encoder that utilizes a delta value comparison procedure to identify optimal delta values for creating optimal predicted blocks of image data corresponding to original blocks of image data. The encoder then utilizes the original blocks and the optimal predicted blocks to generate residual blocks that represent the original blocks in an encoded format. The encoder then generates a bitstream containing the delta value information and the residual block for storage or transmission purposes. A decoder may decode the delta values and the residual block to reconstruct the image block.
摘要翻译： 用于利用电子设备有效地执行帧内预测过程的系统和方法包括编码器，其使用增量值比较过程来识别用于创建与原始图像数据块相对应的图像数据的最佳预测块的最佳增量值。 然后，编码器利用原始块和最佳预测块来生成以编码格式表示原始块的残余块。 然后，编码器生成包含增量值信息和剩余块的比特流，用于存储或传输目的。 解码器可以解码增量值和残差块以重构图像块。
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公开(公告)号：US20120218432A1
公开(公告)日：2012-08-30
申请号：US13036972
申请日：2011-02-28
CPC分类号： H04N19/192 , H04N19/117 , H04N19/147 , H04N19/176 , H04N19/48 , H04N19/593 , H04N19/86
摘要： A recursive adaptive intra smoothing filter for intra-mode video coding is executed using one or more approaches including, but not limited to matrix multiplication, spatial filtering and frequency domain filtering. Matrix multiplication includes initially computing a prediction matrix Pm using training data. After coding a macroblock, Pm is updated for future macroblocks. In the case of applying spatial filtering, the shift invariance problem is reduced by imposing certain constraints on the matrix to be solved. In frequency domain filtering, a transform residual is minimized using DCT-domain filtering.
摘要翻译： 使用包括但不限于矩阵乘法，空间滤波和频域滤波的一种或多种方法来执行用于帧内模式视频编码的递归自适应帧内平滑滤波器。 矩阵乘法包括使用训练数据最初计算预测矩阵Pm。 在对宏块进行编码之后，为未来的宏块更新Pm。 在应用空间滤波的情况下，通过对待解决的矩阵施加一定的约束来减少移位不变性问题。 在频域滤波中，使用DCT域滤波使变换残差最小化。
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4.发明申请DECODER-DERIVED GEOMETRIC TRANSFORMATIONS FOR MOTION COMPENSATED INTER PREDICTION 有权用于运动补偿预测的解码多项式几何变换公开(公告)号：US20120218443A1
公开(公告)日：2012-08-30
申请号：US13037054
申请日：2011-02-28
CPC分类号： H04N19/395 , H04N19/103 , H04N19/176 , H04N19/44 , H04N19/46 , H04N19/51 , H04N19/513
摘要： A method of estimating motion by estimating motion parameters of a complex motion model using reconstructed neighboring pixels of the current block and then applying the estimated motion parameters to the coordinates of the current block to determine motion compensated in a corresponding reference block. The parameters are not transmitted to a decoder and are derived at the decoder side. The encoder only sends a 1-bit control-flag to indicate whether the derived parameters should be used.
摘要翻译： 通过使用当前块的重建相邻像素估计复运动模型的运动参数，然后将所估计的运动参数应用于当前块的坐标以确定在相应参考块中补偿的运动来估计运动的方法。 这些参数不被传送到解码器，并且在解码器侧导出。 编码器只发送一个1位控制标志来指示是否应该使用派生参数。
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公开(公告)号：US20120218440A1
公开(公告)日：2012-08-30
申请号：US13037012
申请日：2011-02-28
CPC分类号： H04N19/154 , H04N19/126 , H04N19/176
摘要： Visually optimized quantization is described herein. Specifically, the visually optimized quantization is for arbitrary block-based transforms such as Mode-Dependent Directional Transform (MDDT). The compression method involves the process of taking a discrete cosine transform of an MDDT basis function, obtaining the frequency weights, and computing the contrast sensitivity function for each of the frequency components. The overall effect of the distortion is calculated by error pooling and the quantization matrix is the inverse proportional of the overall effect.
摘要翻译： 这里描述了视觉优化的量化。 具体地，视觉上优化的量化用于诸如模式相关方向变换（MDDT）的任意的基于块的变换。 压缩方法包括采用MDDT基函数的离散余弦变换，获得频率权重，以及计算每个频率分量的对比度灵敏度函数的过程。 通过误差池计算失真的整体效应，量化矩阵与整体效应成反比。
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公开(公告)号：US20110249739A1
公开(公告)日：2011-10-13
申请号：US13079929
申请日：2011-04-05
IPC分类号： H04N7/32
CPC分类号： H04N19/14 , H04N19/11 , H04N19/176 , H04N19/61
摘要： Enhanced directional prediction apparatus and methods are taught which are based on edge-based adaptive directional estimation, for providing an improved prediction direction for intra prediction within a coding device. Image gradient vectors are obtained for pixels in the neighborhood of the current block, and edge directions determined. Candidate edge directions are processed to derive a dominant edge direction in response to defining an objective function as a summation of projections to a candidate direction and computing suggested direction of each neighboring pixel. The dominant edge direction may be utilized for the prediction direction, such as in response to a detection mode flag signaled to the decoder, or modified by an angular adjustment, which can be communicated to a decoder.
摘要翻译： 教导了基于边缘自适应方向估计的增强方向预测装置和方法，用于为编码装置内的帧内预测提供改进的预测方向。 为当前块的邻域中的像素获得图像梯度向量，并确定边缘方向。 响应于将目标函数定义为候选方向的投影的总和并计算每个相邻像素的建议方向，处理候选边缘方向以导出主导边缘方向。 主导边缘方向可以用于预测方向，诸如响应于向信号通知解码器的检测模式标志，或通过角度调整进行修改，其可被传送到解码器。
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7.发明授权Decoder-derived geometric transformations for motion compensated inter prediction 有权用于运动补偿帧间预测的解码器导出的几何变换公开(公告)号：US08792549B2
公开(公告)日：2014-07-29
申请号：US13037054
申请日：2011-02-28
CPC分类号： H04N19/395 , H04N19/103 , H04N19/176 , H04N19/44 , H04N19/46 , H04N19/51 , H04N19/513
摘要： A method of estimating motion by estimating motion parameters of a complex motion model using reconstructed neighboring pixels of the current block and then applying the estimated motion parameters to the coordinates of the current block to determine motion compensated in a corresponding reference block. The parameters are not transmitted to a decoder and are derived at the decoder side. The encoder only sends a 1-bit control-flag to indicate whether the derived parameters should be used.
摘要翻译： 通过使用当前块的重建相邻像素估计复运动模型的运动参数，然后将所估计的运动参数应用于当前块的坐标以确定在相应参考块中补偿的运动来估计运动的方法。 这些参数不被传送到解码器，并且在解码器侧导出。 编码器只发送一个1位控制标志来指示是否应该使用派生参数。
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公开(公告)号：US08743957B2
公开(公告)日：2014-06-03
申请号：US13079929
申请日：2011-04-05
CPC分类号： H04N19/14 , H04N19/11 , H04N19/176 , H04N19/61
摘要： Enhanced directional prediction apparatus and methods are taught which are based on edge-based adaptive directional estimation, for providing an improved prediction direction for intra prediction within a coding device. Image gradient vectors are obtained for pixels in the neighborhood of the current block, and edge directions determined. Candidate edge directions are processed to derive a dominant edge direction in response to defining an objective function as a summation of projections to a candidate direction and computing suggested direction of each neighboring pixel. The dominant edge direction may be utilized for the prediction direction, such as in response to a detection mode flag signaled to the decoder, or modified by an angular adjustment, which can be communicated to a decoder.
摘要翻译： 教导了基于边缘自适应方向估计的增强方向预测装置和方法，用于为编码装置内的帧内预测提供改进的预测方向。 为当前块的邻域中的像素获得图像梯度向量，并确定边缘方向。 响应于将目标函数定义为候选方向的投影的总和并计算每个相邻像素的建议方向，处理候选边缘方向以导出主导边缘方向。 主导边缘方向可以用于预测方向，诸如响应于向信号通知解码器的检测模式标志，或通过角度调整进行修改，其可被传送到解码器。
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公开(公告)号：US08442338B2
公开(公告)日：2013-05-14
申请号：US13037012
申请日：2011-02-28
IPC分类号： G06K9/00
CPC分类号： H04N19/154 , H04N19/126 , H04N19/176
摘要： Visually optimized quantization is described herein. Specifically, the visually optimized quantization is for arbitrary block-based transforms such as Mode-Dependent Directional Transform (MDDT). The compression method involves the process of taking a discrete cosine transform of an MDDT basis function, obtaining the frequency weights, and computing the contrast sensitivity function for each of the frequency components. The overall effect of the distortion is calculated by error pooling and the quantization matrix is the inverse proportional of the overall effect.
摘要翻译： 这里描述了视觉优化的量化。 具体地，视觉上优化的量化用于诸如模式相关方向变换（MDDT）的任意的基于块的变换。 压缩方法包括采用MDDT基函数的离散余弦变换，获得频率权重，以及计算每个频率分量的对比度灵敏度函数的过程。 通过误差池计算失真的整体效应，量化矩阵与整体效应成反比。
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公开(公告)号：US09232227B2
公开(公告)日：2016-01-05
申请号：US13227732
申请日：2011-09-08
申请人： Ehsan Maani , Wei Liu , Lina Dong , Ali Tabatabai
发明人： Ehsan Maani , Wei Liu , Lina Dong , Ali Tabatabai
IPC分类号： H04N19/503 , H04N19/159 , H04N19/13 , H04N19/593 , H04N19/463 , H04N19/186
CPC分类号： H04N19/186 , H04N19/13 , H04N19/159 , H04N19/463 , H04N19/503 , H04N19/593
摘要： Intra prediction is used in state-of-the-art video coding standards such as AVC. The intra prediction modes are coded into the bitstream. Luma and chroma components could potentially have different prediction modes. For chroma components, there are 7 different modes defined in AVC: vertical, horizontal, DC, diagonal directions, and “same as luma”. Statistics show that the “same as luma” mode is frequently used, but in AVC, this mode is encoded using more bits than other modes during entropy coding, therefore the coding efficiency is decreased. Accordingly, a modified binarization/codeword assignment for chroma intra mode signaling is able to be utilized for high efficiency video coding (HEVC), the next generation video coding standard.
摘要翻译： 帧内预测用于诸如AVC的最先进的视频编码标准。 帧内预测模式被编码到比特流中。 亮度和色度分量可能具有不同的预测模式。 对于色度分量，在AVC中定义了7种不同的模式：垂直，水平，直流，对角线方向和“与亮度相同”。 统计显示，经常使用“与亮度相同”的方式，但在AVC中，在熵编码中，该模式比其他模式更多的位进行编码，因此编码效率降低。 因此，用于色度帧内信令的修正二值化/码字分配能够用于下一代视频编码标准中的高效率视频编码（HEVC）。
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