Method and apparatus for efficient transmission and decoding of quantization matrices
    61.
    发明授权
    Method and apparatus for efficient transmission and decoding of quantization matrices 有权
    用于量化矩阵的有效传输和解码的方法和装置

    公开(公告)号:US07373009B2

    公开(公告)日:2008-05-13

    申请号:US11054594

    申请日:2005-02-09

    申请人: Lowell L. Winger

    发明人: Lowell L. Winger

    IPC分类号: G06K9/36 G06K9/38

    摘要: A method for encoding quantization matrices comprising the steps of (A) signaling whether values of a luma quantization matrix are determined by either (i) a first set of custom values or (ii) a set of standardized default values, (B) transmitting the first set of custom values when the values of the luma quantization matrix are determined by the first set of custom values and (C) signaling whether values of a first chroma component quantization matrix are determined by either (i) a second set of custom values or (ii) the values of the luma quantization matrix.

    摘要翻译: 一种用于编码量化矩阵的方法,包括以下步骤:(A)通过(i)第一组自定义值或(ii)一组标准化默认值来确定亮度量化矩阵的值是否被确定,(B) 当第一组自定义值确定亮度量化矩阵的值时,第一组自定义值,以及(C)通过以下方式确定第一色度分量量化矩阵的值:(i)第二组自定义值或 (ii)亮度量化矩阵的值。

    Reduced memory and bandwidth motion adaptive video deinterlacing
    62.
    发明申请
    Reduced memory and bandwidth motion adaptive video deinterlacing 有权
    减少内存和带宽运动自适应视频去隔行扫描

    公开(公告)号:US20080094505A1

    公开(公告)日:2008-04-24

    申请号:US11585345

    申请日:2006-10-23

    IPC分类号: H04N11/20

    摘要: A method for reduced memory and bandwidth motion adaptive video deinterlacing is disclosed. The method generally includes the steps of (A) generating a frame by deinterlacing a current field in a first of a plurality of modes, (B) generating the frame by deinterlacing using both of the current field and an opposite-parity field in a second of the modes and (C) generating the frame be deinterlacing using all of the current field, the opposite-parity field and another field in a third of the modes, wherein the method uses at least two of the modes.

    摘要翻译: 公开了一种用于减少存储器和带宽运动自适应视频去隔行扫描的方法。 该方法通常包括以下步骤:(A)通过以多个模式中的第一模式对当前场进行去隔行来产生帧;(B)使用二次中的当前场和相反奇偶校验字段,通过去隔行生成帧 并且(C)使用所有当前场,相对奇偶校验场和三分之一模式中的另一场来生成帧是去隔行扫描,其中该方法使用至少两种模式。

    Method and/or apparatus for reducing the complexity of H.264 B-frame encoding using selective reconstruction
    63.
    发明授权
    Method and/or apparatus for reducing the complexity of H.264 B-frame encoding using selective reconstruction 有权
    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

    IPC分类号: H04B1/66 H04N7/12 H04N11/02

    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。

    Reduced complexity efficient binarization method and/or circuit for motion vector residuals
    64.
    发明授权
    Reduced complexity efficient binarization method and/or circuit for motion vector residuals 有权
    减少运算矢量残差的复杂度有效二值化方法和/或电路

    公开(公告)号:US07233622B2

    公开(公告)日:2007-06-19

    申请号:US10639338

    申请日:2003-08-12

    IPC分类号: H04N7/12 H03M7/00

    CPC分类号: H04N19/52

    摘要: An apparatus comprising a first processing circuit and a second processing circuit. The first processing circuit may be configured to generate a motion vector residual in response to one or more macroblocks of an input signal. The second processing circuit may be configured to convert between (i) the motion vector residual and (ii) a binarized representation of the motion vector residual. The binarized representation of the motion vector residual generally comprises (i) a binarized representation of an absolute value of the motion vector residual and (ii) a binarized representation of a sign of the motion vector residual when the motion vector residual has a non-zero value. The binarized representation of the sign is generally located after an end of the binarized representation of the absolute value of the motion vector residual.

    摘要翻译: 一种装置,包括第一处理电路和第二处理电路。 第一处理电路可以被配置为响应于输入信号的一个或多个宏块产生运动矢量残差。 第二处理电路可以被配置为在(i)运动矢量残差和(ii)运动矢量残差的二值化表示之间进行转换。 运动矢量残差的二值化表示通常包括(i)运动矢量残差的绝对值的二值化表示和(ii)当运动矢量残差具有非零时运动矢量残差的符号的二值化表示 值。 符号的二值化表示通常位于运动矢量残差的绝对值的二值化表示的结束之后。

    H.264 to VC-1 and VC-1 to H.264 transcoding
    65.
    发明授权
    H.264 to VC-1 and VC-1 to H.264 transcoding 有权
    H.264到VC-1和VC-1到H.264的转码

    公开(公告)号:US08644390B2

    公开(公告)日:2014-02-04

    申请号:US13029291

    申请日:2011-02-17

    IPC分类号: H04B1/66

    摘要: A method for transcoding from an H.264 format to a VC-1 format. The method generally comprises the steps of (A) decoding an input video stream in the H.264 format to generate a picture having a plurality of macroblock pairs that used an H.264 macroblock adaptive field/frame coding; (B) determining a mode indicator for each of the macroblock pairs; and (C) coding the macroblock pairs into an output video stream in the VC-1 format using one of (i) a VC-1 field motion compensation mode coding and (ii) a VC-1 frame motion compensation mode coding as determined from the mode indicator.

    摘要翻译: 一种从H.264格式转码为VC-1格式的方法。 该方法通常包括以下步骤:(A)以H.264格式解码输入视频流,以产生具有使用H.264宏块自适应字段/帧编码的多个宏块对的图像; (B)确定每个宏块对的模式指示符; 以及(C)使用(i)VC-1场运动补偿模式编码和(ii)VC-1帧运动补偿模式编码中的一个将所述宏块对编码为VC-1格式的输出视频流, 模式指示器。

    METHOD AND APPARATUS FOR MPEG-2 TO H.264 VIDEO TRANSCODING
    66.
    发明申请
    METHOD AND APPARATUS FOR MPEG-2 TO H.264 VIDEO TRANSCODING 审中-公开
    MPEG-2到H.264视频传输的方法和装置

    公开(公告)号:US20120230415A1

    公开(公告)日:2012-09-13

    申请号:US13442081

    申请日:2012-04-09

    IPC分类号: H04N7/32

    摘要: A method for transcoding from an MPEG-2 format to an H.264 format is disclosed. The method generally comprises the steps of (A) decoding an input video stream in the MPEG-2 format to generate a plurality of macroblocks; (B) determining a plurality of indicators from a pair of the macroblocks, the pair of the macroblocks being vertically adjoining; and (C) coding the pair of the macroblocks into an output video stream in the H.264 format using one of (i) a field mode coding and (ii) a frame mode coding as determined from the indicators.

    摘要翻译: 公开了一种从MPEG-2格式转码为H.264格式的方法。 该方法通常包括以下步骤:(A)以MPEG-2格式解码输入视频流以产生多个宏块; (B)从一对宏块中确定多个指示符,所述一对宏块垂直相邻; 以及(C)使用(i)场模式编码和(ii)从指标确定的帧模式编码中的一个,将该对宏块编码为H.264格式的输出视频流。

    Method for activation and deactivation of infrequently changing sequence and picture parameter sets
    67.
    发明授权
    Method for activation and deactivation of infrequently changing sequence and picture parameter sets 有权
    不频繁变化的序列和图像参数集的激活和去激活的方法

    公开(公告)号:US08233547B2

    公开(公告)日:2012-07-31

    申请号:US12190629

    申请日:2008-08-13

    申请人: Lowell L. Winger

    发明人: Lowell L. Winger

    IPC分类号: H04N7/12

    摘要: A method for activating and deactivating parameter sets during decoding of a bitstream for display, comprising the steps of: (A) tagging a first picture parameter information set associated with a first identification value as active in response to a reference to the first identification value in a bitstream; (B) changing the tag of the first picture parameter information set from active to inactive and tagging a second picture parameter information set associated with a second identification value as active in response to a reference to the second identification value in the bitstream; and (C) tagging the second picture parameter information set as inactive and re-tagging the first picture parameter information set as active in response to a subsequent reference to the first identification value in the bitstream.

    摘要翻译: 一种用于在用于显示的比特流的解码期间激活和去激活参数集的方法,包括以下步骤:(A)响应于对所述第一标识值的引用,将与第一标识值相关联的第一图像参数信息集合标记为有效 比特流 (B)响应于对比特流中的第二识别值的引用,将第一图像参数信息集合的标签从活动改变为无效,并且将与第二标识值相关联的第二图像参数信息集合标记为有效; 以及(C)将所述第二图像参数信息集合标记为非活动状态,并且响应于对所述比特流中的所述第一识别值的后续参考,将所述第一图像参数信息集合重新标记为有效。

    Baseband signal quantizer estimation
    68.
    发明授权
    Baseband signal quantizer estimation 有权
    基带信号量化器估计

    公开(公告)号:US08150187B1

    公开(公告)日:2012-04-03

    申请号:US11947037

    申请日:2007-11-29

    IPC分类号: G06K9/00

    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。

    Method and apparatus for H.264 to MPEG-2 video transcoding
    69.
    发明授权
    Method and apparatus for H.264 to MPEG-2 video transcoding 有权
    用于H.264到MPEG-2视频转码的方法和装置

    公开(公告)号:US08144783B2

    公开(公告)日:2012-03-27

    申请号:US12910169

    申请日:2010-10-22

    IPC分类号: H04B1/66

    摘要: A method for transcoding from an H.264 format to an MPEG-2 format is disclosed. The method generally comprises the steps of (A) decoding an input video stream in the H.264 format to generate a picture having a plurality of macroblock pairs that used an H.264 macroblock adaptive field/frame coding; (B) determining a mode indicator for each of the macroblock pairs; and (C) coding the macroblock pairs into an output video stream in the MPEG-2 format using one of (i) an MPEG-2 field mode coding and (ii) an MPEG-2 frame mode coding as determined from the mode indicators.

    摘要翻译: 公开了一种从H.264格式转换为MPEG-2格式的方法。 该方法通常包括以下步骤:(A)以H.264格式解码输入视频流,以产生具有使用H.264宏块自适应字段/帧编码的多个宏块对的图像; (B)确定每个宏块对的模式指示符; 以及(C)使用MPEG-2场模式编码和(ii)从模式指示符确定的MPEG-2帧模式编码之一,将宏块对编码为MPEG-2格式的输出视频流。

    Memory reduced H264/MPEG-4 AVC codec
    70.
    发明授权
    Memory reduced H264/MPEG-4 AVC codec 有权
    内存缩小了H264 / MPEG-4 AVC编解码器

    公开(公告)号:US08121195B2

    公开(公告)日:2012-02-21

    申请号:US11606541

    申请日:2006-11-30

    申请人: Lowell L. Winger

    发明人: Lowell L. Winger

    IPC分类号: H04N11/04

    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。