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1. 发明授权

US07835441B2 Supporting motion vectors outside picture boundaries in motion estimation process 有权
标题翻译：在运动估计过程中支持图像边界外的运动矢量
公开(公告)号：US07835441B2
公开(公告)日：2010-11-16
申请号：US12014317
申请日：2008-01-15
申请人： Eric C. Pearson , Harminder S. Banwait , Michael D. Gallant
发明人： Eric C. Pearson , Harminder S. Banwait , Michael D. Gallant
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04
CPC分类号： H04N19/43 , G06T7/223 , G06T2207/10016 , H04N5/145 , H04N19/433 , H04N19/55 , H04N19/61
摘要： An apparatus generally having a reference memory and a motion estimation circuit is disclosed. The reference memory may store reference samples used in a motion estimation of a current block beyond a boundary of a picture. The motion estimation circuit may (i) buffer the reference samples as copied from the reference memory, the reference samples as buffered residing both (a) inside the boundary and (b) inside a search window of the motion estimation, (ii) shift a sub-set of the reference samples to align with a corner of a sub-window, the sub-window being (a) completely within the search window and (b) at least partially outside of the boundary, (iii) fill an empty portion of the sub-window with copies of the reference samples within the sub-set and (iv) generate difference values by comparing the current block against the reference samples within the sub-window a plurality of times.
摘要翻译：公开了一种通常具有参考存储器和运动估计电路的装置。参考存储器可以存储在当前块的运动估计中使用的参考样本超过图像的边界。运动估计电路可以（i）从参考存储器缓冲参考样本，参考样本缓冲驻留在边界内（a）和（b）运动估计的搜索窗内，（ii）移位a 参考样本的子集与子窗口的角对齐，子窗口（a）完全在搜索窗口内，（b）至少部分地在边界外部，（iii）填充空白部分并且（iv）通过将当前块与子窗口内的参考样本进行多次比较来生成差异值，该子窗口具有子集内的参考样本的副本。

2. 发明授权

US07440500B2 Supporting motion vectors outside picture boundaries in motion estimation process 有权
标题翻译：在运动估计过程中支持图像边界外的运动矢量
公开(公告)号：US07440500B2
公开(公告)日：2008-10-21
申请号：US10682631
申请日：2003-10-09
申请人： Eric C. Pearson , Harminder S. Banwait , Michael D. Gallant
发明人： Eric C. Pearson , Harminder S. Banwait , Michael D. Gallant
IPC分类号： H04B1/66 , H04N7/12 , H04N11/02 , H04N1/04
CPC分类号： H04N19/43 , G06T7/223 , G06T2207/10016 , H04N5/145 , H04N19/433 , H04N19/55 , H04N19/61
摘要： An apparatus generally having a first memory and a circuit is disclosed. The first memory may be used for a motion estimation of a current block. The circuit may be configured to (i) determine if a search window for the current block is at least partially outside a boundary of a picture stored in a second memory, (ii) copy a first plurality of reference samples in the search window from the second memory to the first memory and (iii) map a plurality of reads from the first memory for a plurality of pad samples to the reference samples in the first memory, where the pad samples are determined to be outside the boundary.
摘要翻译：公开了一种通常具有第一存储器和电路的装置。第一存储器可以用于当前块的运动估计。电路可以被配置为（i）确定当前块的搜索窗口是否至少部分地位于存储在第二存储器中的图像的边界之外，（ii）将搜索窗口中的第一多个参考样本从第二存储器到第一存储器，以及（iii）将用于多个焊盘样本的第一存储器的多个读取映射到第一存储器中的参考样本，其中确定焊盘样本在边界之外。

3. 发明授权

US07453940B2 High quality, low memory bandwidth motion estimation processor 有权
标题翻译：高品质，低内存带宽运动估计处理器
公开(公告)号：US07453940B2
公开(公告)日：2008-11-18
申请号：US10714712
申请日：2003-11-17
申请人： Michael D. Gallant , Eric C. Pearson
发明人： Michael D. Gallant , Eric C. Pearson
IPC分类号： H04N7/36 , H04N7/32
CPC分类号： H04N5/145 , H04N19/43 , H04N19/433
摘要： An apparatus for motion estimation generally including a memory and a circuit. The circuit may be configured to (i) search for a first motion vector for a first current block among a plurality of first reference samples, (ii) copy a plurality of second reference samples from the memory and (iii) search for a second motion vector for a second current block among the second reference samples copied from the memory and at least a portion of the first reference samples.
摘要翻译：一种用于运动估计的装置，通常包括存储器和电路。电路可以被配置为：（i）在多个第一参考样本之间搜索第一当前块的第一运动矢量，（ii）从存储器复制多个第二参考样本，以及（iii）搜索第二运动从存储器复制的第二参考样本中的第二当前块的矢量和第一参考样本的至少一部分。

4. 发明授权

US07324596B2 Low complexity block size decision for variable block size motion estimation 有权
标题翻译：可变块大小运动估计的低复杂度块大小决定
公开(公告)号：US07324596B2
公开(公告)日：2008-01-29
申请号：US10690884
申请日：2003-10-22
申请人： Michael D. Gallant , Eric C. Pearson
发明人： Michael D. Gallant , Eric C. Pearson
IPC分类号： H04B1/66 , H04N7/12 , H04N11/04
CPC分类号： H04N5/145 , H04N19/43 , H04N19/51 , H04N19/523 , H04N19/57
摘要： An apparatus generally having a first circuit and a second circuit for motion estimation is disclosed. The first circuit may be configured to (i) generate a first motion vector for a block at an integer-pel resolution and (ii) determine a single block size associated with the first motion vector. The second circuit may be configured to (i) generate a plurality of second motion vectors at a sub-pel resolution by searching proximate the first motion vector using the single block size and (ii) determine a motion vector for the block as a particular one of the second motion vectors best matching a plurality of reference samples.
摘要翻译：公开了一种通常具有用于运动估计的第一电路和第二电路的装置。第一电路可以被配置为（i）以整数像素分辨率生成用于块的第一运动矢量，并且（ii）确定与第一运动矢量相关联的单个块大小。第二电路可以被配置为（i）通过使用单个块大小搜索第一运动向量，并且（ii）将该块的运动矢量确定为特定的一个，以一个子像素分辨率生成多个第二运动矢量的最佳匹配多个参考样本的第二运动矢量。

5. 发明授权

US07342964B2 Multi-standard variable block size motion estimation processor 有权
标题翻译：多标准可变块大小运动估计处理器
公开(公告)号：US07342964B2
公开(公告)日：2008-03-11
申请号：US10669930
申请日：2003-09-24
申请人： Michael D. Gallant , Eric C. Pearson
发明人： Michael D. Gallant , Eric C. Pearson
IPC分类号： H04N7/12 , G06K9/36
CPC分类号： H04N5/145 , H04N19/107 , H04N19/109 , H04N19/43 , H04N19/523 , H04N19/57 , H04N19/61
摘要： An apparatus generally having a first circuit, a second circuit and a third circuit is disclosed. The first circuit may be configured to generate a plurality of difference values by calculating an absolute difference between each pixel from a current block and a corresponding pixel from a reference block substantially simultaneously. The second circuit may be configured to generate a plurality of sum values by adding the difference values. The third circuit may be configured to generate at least one motion vector in response to the sum values.
摘要翻译：公开了一种通常具有第一电路，第二电路和第三电路的装置。第一电路可以被配置为通过基本上同时地计算来自当前块的每个像素与来自参考块的相应像素之间的绝对差来产生多个差值。第二电路可以被配置为通过加上差分值来产生多个和值。第三电路可以被配置为响应于和值产生至少一个运动矢量。

6. 发明授权

US07933331B2 High quality, low memory bandwidth motion estimation processor 有权
标题翻译：高品质，低内存带宽运动估计处理器
公开(公告)号：US07933331B2
公开(公告)日：2011-04-26
申请号：US12237741
申请日：2008-09-25
申请人： Michael D. Gallant , Eric C. Pearson
发明人： Michael D. Gallant , Eric C. Pearson
IPC分类号： H04N7/28 , H04N7/36 , H04N7/48 , H04N7/50
CPC分类号： H04N5/145 , H04N19/43 , H04N19/433
摘要： An apparatus generally having a first circuit and a second circuit is disclosed. The first circuit may be configured to (i) copy a plurality of first reference samples of a first reference image from an external memory, the first reference samples being proximate a first position within the first reference image and (ii) generate a first motion vector corresponding to a first current block of a current image by searching among the first reference samples. The second circuit may be configured to (i) copy a plurality of second reference samples of the first reference image from the external memory, the second reference samples being (a) proximate a second position within the first reference image and (b) non-adjacent the first reference samples and (ii) generate a second motion vector corresponding to the first current block by searching among the second reference samples.
摘要翻译：公开了一种通常具有第一电路和第二电路的装置。第一电路可以被配置为（i）从外部存储器复制第一参考图像的多个第一参考样本，第一参考样本靠近第一参考图像内的第一位置，并且（ii）生成第一运动矢量对应于当前图像的第一当前块，通过在第一参考样本之间进行搜索。第二电路可以被配置为（i）从外部存储器复制第一参考图像的多个第二参考样本，第二参考样本是（a）接近第一参考图像内的第二位置，以及（b）邻近第一参考样本，并且（ii）通过在第二参考样本之间进行搜索来生成与第一当前块对应的第二运动向量。

7. 发明授权

US07702020B2 Multi-standard variable block size motion estimation processor 有权
标题翻译：多标准可变块大小运动估计处理器
公开(公告)号：US07702020B2
公开(公告)日：2010-04-20
申请号：US11937632
申请日：2007-11-09
申请人： Michael D. Gallant , Eric C. Pearson
发明人： Michael D. Gallant , Eric C. Pearson
IPC分类号： H04N7/12 , G06K9/36
CPC分类号： H04N5/145 , H04N19/107 , H04N19/109 , H04N19/43 , H04N19/523 , H04N19/57 , H04N19/61
摘要： An apparatus generally having a first circuit and a second circuit is disclosed. The first circuit may be configured to generate a plurality of sum values by adding a plurality of pixel difference values between a current block and a reference block, one of the sum values corresponding to each of a plurality of smallest partitions of the current block. The second circuit configured to (i) generate a plurality of intermediate values from the sum values, one of the intermediate values corresponding to each of a plurality of possible partitions of the current block, (ii) store a plurality of lowest values among the intermediate values as the current block is moved through a search window and (iii) generate a motion signal conveying at least one motion vector based on the lowest values.
摘要翻译：公开了一种通常具有第一电路和第二电路的装置。第一电路可以被配置为通过在当前块和参考块之间添加多个像素差值来生成多个和值，其中的一个值对应于当前块的多个最小分区中的每一个。第二电路被配置为（i）从和值生成多个中间值，与当前块的多个可能分区中的每一个对应的中间值之一，（ii）在中间值中存储多个最低值通过搜索窗口移动当前块的值，并且（iii）基于最低值生成传送至少一个运动矢量的运动信号。

8. 发明申请

US20090022223A1 HIGH QUALITY, LOW MEMORY BANDWIDTH MOTION ESTIMATION PROCESSOR 有权
标题翻译：高质量，低存储带宽运动估计处理器
公开(公告)号：US20090022223A1
公开(公告)日：2009-01-22
申请号：US12237741
申请日：2008-09-25
申请人： Michael D. Gallant , Eric C. Pearson
发明人： Michael D. Gallant , Eric C. Pearson
IPC分类号： H04N7/26
CPC分类号： H04N5/145 , H04N19/43 , H04N19/433
摘要： An apparatus generally having a first circuit and a second circuit is disclosed. The first circuit may be configured to (i) copy a plurality of first reference samples of a first reference image from an external memory, the first reference samples being proximate a first position within the first reference image and (ii) generate a first motion vector corresponding to a first current block of a current image by searching among the first reference samples. The second circuit may be configured to (i) copy a plurality of second reference samples of the first reference image from the external memory, the second reference samples being (a) proximate a second position within the first reference image and (b) non-adjacent the first reference samples and (ii) generate a second motion vector corresponding to the first current block by searching among the second reference samples.
摘要翻译：公开了一种通常具有第一电路和第二电路的装置。第一电路可以被配置为（i）从外部存储器复制第一参考图像的多个第一参考样本，第一参考样本靠近第一参考图像内的第一位置，并且（ii）生成第一运动矢量对应于当前图像的第一当前块，通过在第一参考样本之间进行搜索。第二电路可以被配置为（i）从外部存储器复制第一参考图像的多个第二参考样本，第二参考样本是（a）接近第一参考图像内的第二位置，以及（b）邻近第一参考样本，并且（ii）通过在第二参考样本之间进行搜索来生成与第一当前块对应的第二运动向量。

9. 发明授权

US07310371B2 Method and/or apparatus for reducing the complexity of H.264 B-frame encoding using selective reconstruction 有权
标题翻译：用于使用选择性重建降低H.264 B帧编码的复杂度的方法和/或装置
公开(公告)号：US07310371B2
公开(公告)日：2007-12-18
申请号：US10449471
申请日：2003-05-30
申请人： Guy Cote , Michael D. Gallant , Pavel Novotny , Lowell L. Winger
发明人： Guy Cote , Michael D. Gallant , Pavel Novotny , Lowell L. Winger
IPC分类号： H04B1/66 , H04N7/12 , H04N11/02
CPC分类号： H04N19/86 , H04N19/103 , H04N19/11 , H04N19/117 , H04N19/159 , H04N19/176 , H04N19/46 , H04N19/61
摘要： An apparatus comprising an output circuit, a first processing circuit and a second processing circuit. The output circuit may be configured to generate an output data stream in response to (i) a first intermediate signal, (ii) a second intermediate signal, and (iii) a third intermediate signal. The first processing circuit may be configured to generate the first intermediate signal in response to (i) a processed video signal and (ii) a prediction flag. The second processing circuit may be configured to generate (i) the processed video signal, (ii) the second intermediate signal and (iii) the third intermediate signal in response to an input video signal.
摘要翻译：一种装置，包括输出电路，第一处理电路和第二处理电路。输出电路可以被配置为响应于（i）第一中间信号，（ii）第二中间信号和（iii）第三中间信号而产生输出数据流。第一处理电路可以被配置为响应于（i）处理的视频信号和（ii）预测标志来产生第一中间信号。第二处理电路可以被配置为响应于输入视频信号产生（i）处理的视频信号，（ii）第二中间信号和（iii）第三中间信号。

10. 发明授权

US07324595B2 Method and/or apparatus for reducing the complexity of non-reference frame encoding using selective reconstruction 有权
标题翻译：用于使用选择性重建降低非参考帧编码的复杂度的方法和/或装置
公开(公告)号：US07324595B2
公开(公告)日：2008-01-29
申请号：US10667948
申请日：2003-09-22
申请人： Guy Cote , Michael D. Gallant , Pavel Novotny , Lowell L. Winger
发明人： Guy Cote , Michael D. Gallant , Pavel Novotny , Lowell L. Winger
IPC分类号： H04N7/12 , G06K9/36
CPC分类号： H04N19/58 , H04N19/51 , H04N19/61 , H04N19/82 , H04N19/86
摘要： A method for implementing non-reference frame prediction in video compression comprising the steps of (A) setting a prediction flag (i) “off” if non-reference frames are used for block prediction and (ii) “on” if non-reference frames are not used for block prediction, (B) if the prediction flag is off, generating an output video signal in response to an input video signal by performing an inverse quantization step and an inverse transform step in accordance with a predefined coding specification and (C) if the prediction flag is on, bypassing the inverse quantization step and the inverse transform step.
摘要翻译：一种用于在视频压缩中实现非参考帧预测的方法，包括以下步骤：（A）如果非参考帧用于块预测，则将预测标志（i）设置为“关闭”，以及（ii）如果非参考帧不用于块预测，（B）如果预测标志关闭，则通过根据预定义的编码规范执行逆量化步骤和逆变换步骤，响应于输入视频信号生成输出视频信号，并且（ C）如果预测标志为ON，则绕过逆量化步骤和逆变换步骤。

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