Unified approach to film mode detection
    61.
    发明授权
    Unified approach to film mode detection 有权
    电影模式检测的统一方法

    公开(公告)号:US07705913B2

    公开(公告)日:2010-04-27

    申请号:US11314631

    申请日:2005-12-20

    IPC分类号: H04N11/20 H04N7/01 H04N5/14

    CPC分类号: H04N7/0115

    摘要: A method for film mode detection is disclosed. The method generally includes the steps of (A) detecting if a plurality of fields in a video signal are in a 3:2 pull-down pattern to control a plurality of first flags based on a plurality of statistics gathered from the fields, (B) detecting if the fields contain moving interlaced text to control a second flag based on both (i) the statistics and (ii) a repeat-field flag of the first flags that indicates repeating consecutive same polarity fields and (C) deciding among a plurality of inverse telecine processes to de-interlace the fields based on all of (i) a 3:2 mode flag of the first flags, (ii) a 3:2 direction flag of the first flags and (iii) the second flag.

    摘要翻译: 公开了一种胶片模式检测方法。 该方法通常包括以下步骤:(A)检测视频信号中的多个场是否处于3:2下拉模式,以便根据从场中收集的多个统计信息来控制多个第一标志(B )检测字段是否包含移动隔行文本以基于(i)统计信息和(ii)指示重复连续相同极性字段的第一标志的重复字段标志来控制第二标志,以及(C)多个 (i)第一标志的3:2模式标志,(ii)第一标志的3:2方向标志和(iii)第二标志的逆电泳电影过程以去交错字段。

    Low complexity transcoding between video streams using different entropy coding
    62.
    发明授权
    Low complexity transcoding between video streams using different entropy coding 有权
    使用不同熵编码的视频流之间的低复杂度代码转换

    公开(公告)号:US07660355B2

    公开(公告)日:2010-02-09

    申请号:US10898125

    申请日:2004-07-23

    摘要: A method for transcoding between video streams using different entropy coding, comprising the steps of (A) decoding a first video stream using a first set of entropy codes, and (B) generating a second video stream by entropy encoding the decoded first video stream using a second set of entropy codes. The first set of entropy codes and the second set of entropy codes are configured to represent all valid coefficient values of the first video stream.

    摘要翻译: 一种用于使用不同熵编码的视频流之间的代码转换的方法,包括以下步骤:(A)使用第一组熵码对第一视频流进行解码,以及(B)通过对解码的第一视频流进行熵编码来生成第二视频流, 第二组熵代码。 第一组熵代码和第二组熵代码被配置为表示第一视频流的所有有效系数值。

    Sign coring for contour reduction
    63.
    发明授权
    Sign coring for contour reduction 有权
    标记取心轮廓减少

    公开(公告)号:US07650042B2

    公开(公告)日:2010-01-19

    申请号:US11362936

    申请日:2006-02-27

    申请人: Lowell L. Winger

    发明人: Lowell L. Winger

    IPC分类号: G06K9/40

    CPC分类号: G06K9/40

    摘要: A method for contour reduction in a digital picture is disclosed. The method generally includes the steps of (A) buffering a plurality of luma samples in a current line of the digital picture, each of the luma samples having a respective input value, (B) calculating a plurality of horizontal sum-of-signs along the current line, wherein each of the horizontal sum-of-signs comprises a sum of a plurality of amplitude differences between pairs the luma samples from the current line and (C) generating a plurality of output value based on the horizontal sum-of-signs, one of the output values for each one of the luma samples.

    摘要翻译: 公开了一种用于数字图像中轮廓缩减的方法。 该方法通常包括以下步骤:(A)在数字图像的当前行中缓冲多个亮度样本,每个亮度样本具有相应的输入值,(B)沿着计算多个水平符号 当前行,其中每个水平符号包括来自当前行的亮度样本之间的对之间的多个幅度差的总和,以及(C)基于水平和值生成多个输出值, 符号,每个亮度样本的输出值之一。

    Low complexity transcoding between videostreams using different entropy coding
    64.
    发明授权
    Low complexity transcoding between videostreams using different entropy coding 失效
    使用不同熵编码的视频流之间的低复杂度代码转换

    公开(公告)号:US07646814B2

    公开(公告)日:2010-01-12

    申请号:US10739829

    申请日:2003-12-18

    摘要: A method for transcoding between videostreams using different entropy coding, comprising the steps of (A) decoding a first videostream using a first set of entropy codes, and (B) generating a second videostream by entropy encoding the decoded first videostream using a second set of entropy codes. The first set of entropy codes and the second set of entropy codes are configured to represent all valid coefficient values of the first videostream.

    摘要翻译: 一种用于使用不同熵编码在视频流之间进行代码转换的方法,包括以下步骤:(A)使用第一组熵码对第一视频流进行解码,以及(B)通过使用第二组视频流熵编码解码的第一视频流来生成第二视频流 熵代码。 第一组熵代码和第二组熵代码被配置为表示第一视频流的所有有效系数值。

    Method and apparatus for sub-pixel motion compensation
    65.
    发明授权
    Method and apparatus for sub-pixel motion compensation 有权
    子像素运动补偿的方法和装置

    公开(公告)号:US07623575B2

    公开(公告)日:2009-11-24

    申请号:US11098357

    申请日:2005-04-04

    申请人: Lowell L. Winger

    发明人: Lowell L. Winger

    IPC分类号: H04B1/66

    摘要: A method of motion compensation for an input block is disclosed. The method generally includes the steps of (A) generating a plurality of tap values in response to a motion vector for the input block, (B) generating an interpolated block by programmable filtering a reference block using the tap values, the interpolated block being spatially offset from the reference block by less than a half-pel separation and (C) generating an output block in response to the input block and the interpolated block.

    摘要翻译: 公开了一种用于输入块的运动补偿的方法。 该方法通常包括以下步骤:(A)响应于输入块的运动矢量产生多个抽头值,(B)通过使用抽头值对参考块进行可编程过滤来生成内插块,内插块在空间上 偏移参考块小于半像素间隔;(C)响应于输入块和内插块生成输出块。

    Method for video coding artifacts concealment
    66.
    发明授权
    Method for video coding artifacts concealment 有权
    视频编码伪影隐藏方法

    公开(公告)号:US07593465B2

    公开(公告)日:2009-09-22

    申请号:US10950703

    申请日:2004-09-27

    IPC分类号: H04N7/12 H04N5/217

    CPC分类号: H04N19/90

    摘要: A method and circuit for processing a reconstructed picture generated from compressed data is disclosed. The method generally includes the steps of (A) estimating a magnitude of coding artifacts created by a coding process for the compressed data based upon the compressed data, (B) generating a plurality of noise samples with a probability distribution over a range, the probability distribution determined by the magnitude and (C) adding the noise samples to the reconstructed picture for concealment of the coding artifacts.

    摘要翻译: 公开了一种用于处理从压缩数据生成的重构图像的方法和电路。 该方法通常包括以下步骤:(A)基于压缩数据估计由压缩数据的编码处理产生的编码伪影的大小,(B)产生具有在范围上的概率分布的多个噪声样本,概率 分布由幅度确定,(C)将噪声样本添加到重建图像中以隐藏编码伪像。

    FLEXIBLE REDUCED BANDWIDTH COMPRESSED VIDEO DECODER
    67.
    发明申请
    FLEXIBLE REDUCED BANDWIDTH COMPRESSED VIDEO DECODER 有权
    柔性降低带宽压缩视频解码器

    公开(公告)号:US20090225844A1

    公开(公告)日:2009-09-10

    申请号:US12043242

    申请日:2008-03-06

    申请人: Lowell L. Winger

    发明人: Lowell L. Winger

    IPC分类号: H04N7/26

    摘要: A method of decoding a video bitstream is disclosed. The method generally includes the steps of (A) buffering the video bitstream in a main memory, the video bitstream comprising a first residual block based on a first motion compensated block, the first motion compensated block having been generated by a subpixel motion compensation using an N-tap interpolation on a plurality of first reference samples, (B) copying a first subset of the first reference samples from the main memory to an internal memory, (C) generating a first decode block using the subpixel motion compensation with an M-tap interpolation on the first subset in the internal memory, and (D) reconstructing a first original block by adding the first residual block to the first decode block.

    摘要翻译: 公开了解码视频位流的方法。 该方法通常包括以下步骤:(A)在主存储器中缓冲视频比特流,视频比特流包括基于第一运动补偿块的第一残差块,第一运动补偿块已经通过子像素运动补偿使用 在多个第一参考样本上进行N抽头插值,(B)将第一参考样本的第一子集从主存储器复制到内部存储器;(C)使用具有M-M的子像素运动补偿生成第一解码块, 在内部存储器中的第一子集上进行抽头插值,以及(D)通过将第一残差块加到第一解码块来重建第一原始块。

    System and method for display compositing
    68.
    发明授权
    System and method for display compositing 有权
    显示合成的系统和方法

    公开(公告)号:US07567259B2

    公开(公告)日:2009-07-28

    申请号:US11389974

    申请日:2006-03-27

    申请人: Lowell L. Winger

    发明人: Lowell L. Winger

    IPC分类号: G09G5/00

    CPC分类号: H04N1/60 H04N9/76

    摘要: A method for display compositing is disclosed. The method generally includes the steps of (A) generating a plurality of respective color values and a plurality of respective blending values for a plurality of graphics pixels to be blended with a display picture, (B) examining in a sequence a plurality of neighboring pixels of the graphics pixels adjoining a current pixel of the graphics pixels, the current pixel having a current color value of the respective color values and a current blending value of the respective blending values and (C) replacing the current color value with the respective color value for a particular pixel of the neighboring pixels where (i) the respective blending value for the particular pixel comprises one of a plurality of non-transparent values and (ii) the current blending value comprises one of at least one transparent value.

    摘要翻译: 公开了一种显示合成方法。 该方法通常包括以下步骤:(A)产生与显示图像混合的多个图形像素的多个相应颜色值和多个相应混合值,(B)按顺序检查多个相邻像素 与当前图像像素相邻的图形像素,当前像素具有各颜色值的当前颜色值和各个混合值的当前混合值,(C)用相应颜色值替换当前颜色值 对于相邻像素的特定像素,其中(i)特定像素的相应混合值包括多个不透明值中的一个,以及(ii)当前混合值包括至少一个透明值中的一个。

    Method and apparatus for efficient transmission and decoding of quantization matrices
    69.
    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
    70.
    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。