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公开(公告)号：US20120076208A1
公开(公告)日：2012-03-29
申请号：US13311972
申请日：2011-12-06
申请人： Lowell L. Winger
发明人： Lowell L. Winger
CPC分类号： H04N19/59 , H04N19/102 , H04N19/186 , H04N19/426 , H04N19/573 , H04N19/61
摘要： A method for reducing memory utilization in a digital video codec. The method generally includes the steps of (A) generating a second reference picture by downsampling a first reference picture using a pattern, wherein the pattern (i) comprises a two-dimensional grid and (ii) is unachievable by performing a vertical downsampling and separately performing a horizontal downsampling, (B) generating a third reference picture by upsampling the second reference picture and (C) processing an image in a video signal using the third reference picture.
摘要翻译： 一种降低数字视频编解码器内存利用率的方法。 该方法通常包括以下步骤：（A）通过使用图案对第一参考图像进行下采样来生成第二参考图像，其中，图案（i）包括二维网格，并且（ii）通过执行垂直下采样而不可实现 执行水平下采样，（B）通过对第二参考图像进行上采样来产生第三参考图像，以及（C）使用第三参考图像处理视频信号中的图像。
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公开(公告)号：US08045062B2
公开(公告)日：2011-10-25
申请号：US12861950
申请日：2010-08-24
申请人： Lowell L. Winger
发明人： Lowell L. Winger
IPC分类号： H04N9/64
CPC分类号： H04N9/643 , G09G5/02 , G09G2320/0242 , H04N1/62 , H04N1/628
摘要： A method for color tone correction is disclosed. The method generally includes the steps of (A) generating a plurality of first intermediate components by scaling a plurality of first color components towards a first ideal color, wherein the first color components (i) are for a first plurality of pixels in an input video signal and (ii) fall inside a first region of a color space, (B) generating a plurality of first corrected components by adjusting the first intermediate components such that a first mapping of the first color components to the first corrected components is both (i) continuous in the color space and (ii) non-overlapping in the color space and (C) generating an output video signal by combining the first corrected components with a plurality of unaltered color components, wherein the unaltered color components (i) are for a second plurality of the pixels and (ii) fall outside the first region.
摘要翻译： 公开了一种色调校正方法。 该方法通常包括以下步骤：（A）通过将多个第一颜色分量朝向第一理想颜色缩放来生成多个第一中间分量，其中第一颜色分量（i）用于输入视频中的第一多个像素 信号和（ii）落在颜色空间的第一区域内，（B）通过调整第一中间分量来生成多个第一校正分量，使得第一颜色分量与第一校正分量的第一映射都为（i ）和（ii）在所述颜色空间中不重叠，以及（C）通过将所述第一校正分量与多个未改变的颜色分量组合来产生输出视频信号，其中所述未改变的颜色分量（i）用于 第二多个像素和（ii）落在第一区域之外。
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公开(公告)号：US07944968B2
公开(公告)日：2011-05-17
申请号：US11104069
申请日：2005-04-12
申请人： Lowell L. Winger
发明人： Lowell L. Winger
CPC分类号： H04N19/107 , H04N19/115 , H04N19/124 , H04N19/176 , H04N19/18 , H04N19/61
摘要： An apparatus including a transformation circuit and a scaling/quantization circuit. The transformation circuit may be configured to generate one or more transform coefficients in response to a video stream and one or more first control signals. The transformation circuit may be further configured to limit transform coefficients for residual 4×4 blocks to a 16-bit value when the video stream comprises 8-bit video data. The scaling/quantization circuit may be configured to generate one or more quantization coefficients in response to the one or more transform coefficients and one or more second control signals.
摘要翻译： 一种包括变换电路和缩放/量化电路的装置。 变换电路可以被配置为响应于视频流和一个或多个第一控制信号而产生一个或多个变换系数。 变换电路还可以被配置为当视频流包括8位视频数据时将残差4×4块的变换系数限制为16位值。 缩放/量化电路可以被配置为响应于一个或多个变换系数和一个或多个第二控制信号而产生一个或多个量化系数。
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24.发明授权Method and apparatus for improved increased bit-depth display from a transform decoder by retaining additional inverse transform bits 有权用于通过保留附加的逆变换位来改进来自变换解码器的增加位深度显示的方法和装置公开(公告)号：US07860168B2
公开(公告)日：2010-12-28
申请号：US10974103
申请日：2004-10-27
申请人： Lowell L. Winger
发明人： Lowell L. Winger
IPC分类号： H04N7/12
CPC分类号： H04N19/577 , H04N19/105 , H04N19/117 , H04N19/132 , H04N19/154 , H04N19/159 , H04N19/176 , H04N19/184 , H04N19/423 , H04N19/44 , H04N19/61 , H04N19/82 , H04N19/85
摘要： A method and apparatus for processing a video block extracted from an encoded bitstream. The method generally includes the steps of (A) generating a normal block by inverse transforming the video block, the normal block having a normal resolution, (B) generating an alternate block from the video block, the alternate block comprising image detail (i) present after the inverse transforming and (ii) absent from the normal block and (C) generating an output block based on the normal block and the alternate block, the output block having an output resolution greater than the normal resolution.
摘要翻译： 一种用于处理从编码比特流提取的视频块的方法和装置。 该方法通常包括以下步骤：（A）通过对视频块进行逆变换来生成正常块，该正常块具有正常分辨率，（B）从视频块生成替代块，该替代块包括图像细节（i） 存在于逆变换之后，并且（ii）不存在于正常块中，（C）基于正常块和交替块生成输出块，输出块具有大于正常分辨率的输出分辨率。
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公开(公告)号：US07830964B2
公开(公告)日：2010-11-09
申请号：US10997006
申请日：2004-11-24
申请人： Lowell L. Winger , Eric C. Pearson
发明人： Lowell L. Winger , Eric C. Pearson
摘要： An apparatus including a parsing circuit and a control circuit. The parsing circuit may be configured to generate a plurality of decoded syntax elements in response to (i) a serial bitstream and (ii) a control signal. The control circuit may be configured to generate the control signal in response to the plurality of decoded syntax elements. The parsing circuit may generate the plurality of decoded syntax elements by grouping syntax elements for atomic decoding such that each (i) one or more consecutive syntax elements without context information relevant to the decoding and (ii) a non-zero syntax element presented at the end of each group.
摘要翻译： 一种包括解析电路和控制电路的装置。 解析电路可以被配置为响应于（i）串行比特流和（ii）控制信号而生成多个解码的语法元素。 控制电路可以被配置为响应于多个解码的语法元素而产生控制信号。 解析电路可以通过分组用于原子解码的语法元素来生成多个解码的语法元素，使得每个（i）一个或多个连续语法元素没有与解码相关的上下文信息，以及（ii）在 每组的结束。
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公开(公告)号：US07362804B2
公开(公告)日：2008-04-22
申请号：US10720783
申请日：2003-11-24
申请人： Pavel Novotny , Guy Cote , Lowell L. Winger , Simon Booth
发明人： Pavel Novotny , Guy Cote , Lowell L. Winger , Simon Booth
摘要： An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to generate a decoded video signal and syntax elements in response to an encoded bitstream. The second circuit may be configured to generate one or more overlay images in response to the syntax elements. The overlay images generally comprise graphical symbols representing the syntax elements of the encoded bitstream.
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响应于编码的比特流产生解码的视频信号和语法元素。 第二电路可以被配置为响应于语法元素生成一个或多个覆盖图像。 覆盖图像通常包括表示编码比特流的语法元素的图形符号。
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公开(公告)号：US20080043033A1
公开(公告)日：2008-02-21
申请号：US11504166
申请日：2006-08-15
申请人： Lowell L. Winger
发明人： Lowell L. Winger
CPC分类号： H04N9/643 , G09G5/02 , G09G2320/0242 , H04N1/62 , H04N1/628
摘要： A method for a color tone correction is disclosed. The method generally includes the steps of (A) generating a plurality of first intermediate components by scaling a plurality of first color components towards a first ideal color, wherein the first color components (i) are for a first plurality of pixels in an input video signal and (ii) fall inside a first region of a color space, (B) generating a plurality of first corrected components by adjusting the first intermediate components such that a first mapping of the first color components to the first corrected components is both (i) continuous in the color space and (ii) non-overlapping in the color space and (C) generating an output video signal by combining the first corrected components with a plurality of unaltered color components, wherein the unaltered color components (i) are for a second plurality of the pixels and (ii) fall outside the first region.
摘要翻译： 公开了一种色调校正方法。 该方法通常包括以下步骤：（A）通过将多个第一颜色分量朝向第一理想颜色缩放来生成多个第一中间分量，其中第一颜色分量（i）用于输入视频中的第一多个像素 信号和（ii）落在颜色空间的第一区域内，（B）通过调整第一中间分量来生成多个第一校正分量，使得第一颜色分量与第一校正分量的第一映射都为（i ）和（ii）在所述颜色空间中不重叠，以及（C）通过将所述第一校正分量与多个未改变的颜色分量组合来产生输出视频信号，其中所述未改变的颜色分量（i）用于 第二多个像素和（ii）落在第一区域之外。
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公开(公告)号：US07231587B2
公开(公告)日：2007-06-12
申请号：US10812286
申请日：2004-03-29
申请人： Pavel Novotny , Guy Cote , Lowell L. Winger
发明人： Pavel Novotny , Guy Cote , Lowell L. Winger
IPC分类号： H03M13/09
摘要： A method for processing an input signal is disclosed. The method generally includes the steps of (A) extracting a compressed signal and a first checksum from the input signal, (B) generating a decompressed signal by decompressing the compressed signal, (C) calculating a second checksum for the decompressed signal and (D) generating a result by comparing the first checksum to the second checksum.
摘要翻译： 公开了一种处理输入信号的方法。 该方法通常包括以下步骤：（A）从输入信号中提取压缩信号和第一校验和，（B）通过解压缩压缩信号产生解压缩信号，（C）计算解压缩信号的第二校验和和（D ）通过将第一校验和与第二校验和进行比较来生成结果。
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公开(公告)号：US20120207228A1
公开(公告)日：2012-08-16
申请号：US13401983
申请日：2012-02-22
IPC分类号： H04N7/26
CPC分类号： H04N19/196 , H04N19/117 , H04N19/124 , H04N19/14 , H04N19/18 , H04N19/80 , H04N19/86
摘要： A method of deblocking an input signal is disclosed. The method generally includes the steps of (A) calculating a plurality of transform coefficients corresponding to each of a plurality of blocks in the input signal at baseband, (B) calculating a plurality of quantization parameters based on the transform coefficients, at least one of the quantization parameters corresponding to each respective one of the blocks and (C) generating an output signal by deblocking the input signal based on the quantization parameters.
摘要翻译： 公开了一种去锁定输入信号的方法。 该方法通常包括以下步骤：（A）计算与基带处的输入信号中的多个块中的每一个相对应的多个变换系数，（B）基于变换系数计算多个量化参数，至少一个 所述量化参数对应于所述块中的每一个块，（C）通过基于所述量化参数去除所述输入信号来产生输出信号。
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公开(公告)号：US08149915B1
公开(公告)日：2012-04-03
申请号：US11947044
申请日：2007-11-29
IPC分类号： H04N7/12
摘要： A method of motion estimation (ME) refinement. The method generally includes the steps of (A) generating an initial motion vector (MV) by conducting a first ME on an initial block in a picture, the initial block covering an initial area of the picture, (B) generating a current MV by conducting a second ME on a current block in the picture, (i) the current block covering a subset of the initial area and (ii) the second ME being seeded by the initial MV, (C) generating at least one additional MV by conducting at least one third ME on the current block, the at least one third ME being seeded respectively by at least one neighboring MV spatially adjacent to the current MV and (D) generating a refined MV of the current block by storing in a memory a best among the current MV and the additional MV.
摘要翻译： 一种运动估计（ME）改进方法。 该方法通常包括以下步骤：（A）通过在图像中的初始块上进行第一ME生成初始运动矢量（MV），初始块覆盖图像的初始区域，（B）通过 在图像中的当前块上执行第二ME，（i）覆盖初始区域的子集的当前块和（ii）由初始MV接收的第二ME，（C）通过进行至少一个额外的MV生成 在当前块上的至少一个第三ME，所述至少一个第三ME分别由与当前MV空间相邻的至少一个相邻MV接种，并且（D）通过在存储器中存储最佳地生成当前块的精细MV 在当前MV和额外的MV之间。
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