Method and apparatus for providing a rate control for interlace coding
    1.
    发明申请
    Method and apparatus for providing a rate control for interlace coding 审中-公开
    提供用于交错编码的速率控制的方法和装置

    公开(公告)号:US20060209954A1

    公开(公告)日:2006-09-21

    申请号:US11083255

    申请日:2005-03-16

    摘要: The present invention discloses a system and method for providing a rate control to an encoder, e.g., a H.264/MPEG-4 AVC compliant encoder. For example, the rate control method computes a target group of pictures (GOP) rate for a GOP of the input image sequence. The rate control method then computes a target rate per picture from the target GOP rate. In one embodiment, the target rate comprises at least one of: a frame picture target rate and a field picture target rate, wherein the field picture target rate is computed in accordance with two complexity measures for two predicted (P) fields, one complexity measure for one intra (I) field and one complexity measure for one bi-predicted (B) field.

    摘要翻译: 本发明公开了一种向编码器提供速率控制的系统和方法,例如符合H.264 / MPEG-4AVC的编码器。 例如,速率控制方法计算输入图像序列的GOP的目标图像组(GOP)率。 速率控制方法然后从目标GOP速率计算每个图像的目标速率。 在一个实施例中,目标速率包括以下至少一个:帧图像目标速率和场图像目标速率,其中根据两个预测(P)场的两个复杂度测量来计算场图像目标速率,一个复杂度测量 对于一个双向预测(B)场的一个帧内(I)场和一个复杂度测量。

    Method and apparatus for selecting a coding mode
    3.
    发明授权
    Method and apparatus for selecting a coding mode 有权
    用于选择编码模式的方法和装置

    公开(公告)号:US08670484B2

    公开(公告)日:2014-03-11

    申请号:US11957750

    申请日:2007-12-17

    申请人: Limin Wang Jian Zhou

    发明人: Limin Wang Jian Zhou

    IPC分类号: H04N7/12

    摘要: A method and apparatus for selecting a coding mode are described. For example, the method receives at least one block of a signal to be encoded. The method determines a frame vertical pixel difference in the at least one block and determines a field vertical pixel difference in the at least one block. The method then compares the frame vertical pixel difference with the field vertical pixel difference to determine a first coding mode for the at least one block.

    摘要翻译: 描述用于选择编码模式的方法和装置。 例如,该方法接收要编码的信号的至少一个块。 该方法确定至少一个块中的帧垂直像素差,并确定至少一个块中的场垂直像素差。 该方法然后将帧垂直像素差与场垂直像素差进行比较,以确定至少一个块的第一编码模式。

    Method and Apparatus for Selecting a Coding Mode
    4.
    发明申请
    Method and Apparatus for Selecting a Coding Mode 有权
    用于选择编码模式的方法和装置

    公开(公告)号:US20090154555A1

    公开(公告)日:2009-06-18

    申请号:US11957750

    申请日:2007-12-17

    申请人: Limin Wang Jian Zhou

    发明人: Limin Wang Jian Zhou

    IPC分类号: H04N7/40

    摘要: A method and apparatus for selecting a coding mode are described. For example, the method receives at least one block of a signal to be encoded. The method determines a frame vertical pixel difference in the at least one block and determines a field vertical pixel difference in the at least one block. The method then compares the frame vertical pixel difference with the field vertical pixel difference to determine a first coding mode for the at least one block.

    摘要翻译: 描述用于选择编码模式的方法和装置。 例如,该方法接收要编码的信号的至少一个块。 该方法确定至少一个块中的帧垂直像素差,并确定至少一个块中的场垂直像素差。 该方法然后将帧垂直像素差与场垂直像素差进行比较,以确定至少一个块的第一编码模式。

    Method and Apparatus for Providing Rate Control for Panel-Based Real-Time Video Encoder
    5.
    发明申请
    Method and Apparatus for Providing Rate Control for Panel-Based Real-Time Video Encoder 有权
    为基于面板的实时视频编码器提供速率控制的方法和装置

    公开(公告)号:US20080084928A1

    公开(公告)日:2008-04-10

    申请号:US11539786

    申请日:2006-10-09

    申请人: Limin Wang Jian Zhou

    发明人: Limin Wang Jian Zhou

    IPC分类号: H04N11/04 H04N7/12

    摘要: A method and apparatus for providing multi-panel rate control of real-time video digital encoders such as an MPEG or H series including the steps of bit allocation, rate control and adaptive quantization. Bit allocation assigns a target number of bits per group of pictures, and per picture of each type. Rate control adjusts the quantization parameter at the MB level to achieve that target number of bits per picture. Adaptive quantization further modulates the parameter per MB using local activity measure. Bit allocation and rate control can be implemented through a central control unit, or a central digital signal processor (DSP) while adaptive quantization can be implemented at the local panel.

    摘要翻译: 一种用于提供诸如MPEG或H系列的实时视频数字编码器的多面板速率控制的方法和装置,包括比特分配,速率控制和自适应量化的步骤。 位分配分配每组图像的目标位数,以及每种类型的每张图像。 速率控制调整MB级别的量化参数,以实现每个图像的目标位数。 自适应量化使用局部活动度量进一步调整每MB的参数。 位分配和速率控制可以通过中央控制单元或中央数字信号处理器(DSP)来实现,而自适应量化可以在本地面板上实现。

    Method and System for Interleaving Video and Data for Transmission over a Network at a Selected Bit Rate
    6.
    发明申请
    Method and System for Interleaving Video and Data for Transmission over a Network at a Selected Bit Rate 有权
    用于以所选位速率在网络上传输视频和数据的方法和系统

    公开(公告)号:US20090161697A1

    公开(公告)日:2009-06-25

    申请号:US11960446

    申请日:2007-12-19

    IPC分类号: H04J3/22

    摘要: A StatMux system and method are provided for efficiently allocating time slots on the transmission channel between bit streams representing video and bit streams representing data. By providing such a system and method, when a decreased number of data bits need to be transmitted, a decreased number of time slots may be allocated for transmitting the data bits and an increased number of time slots may be allocated for transmitting video bits. When a decreased number of video bits needs to be transmitted, a decreased number of time slots may be allocated for transmitting video bits and an increased number of time slots may be allocated for transmitting data bits.

    摘要翻译: 提供了一种StatMux系统和方法,用于在表示视频的比特流和表示数据的比特流之间有效地分配传输信道上的时隙。 通过提供这样的系统和方法,当需要发送数据比特数减少时,可以分配减少数量的时隙用于发送数据比特,并且可以分配更多数量的时隙用于发送视频比特。 当需要发送减少数量的视频位时,可以分配减少数量的时隙用于发送视频比特,并且可以分配增加数量的时隙用于发送数据比特。

    Method and apparatus for selecting a coding mode
    7.
    发明授权
    Method and apparatus for selecting a coding mode 有权
    用于选择编码模式的方法和装置

    公开(公告)号:US08582652B2

    公开(公告)日:2013-11-12

    申请号:US11928440

    申请日:2007-10-30

    IPC分类号: H04N11/02

    摘要: A method and apparatus for selecting a coding mode for a block of a current picture are disclosed. For example, the method selects a coding mode in accordance with a cost function, for coding the block, wherein the cost function comprises a coding distortion parameter and a number of coding bits parameter, wherein said coding distortion parameter is measured in accordance with at least one of: between a prediction residual and a reconstructed prediction residual, or between a transformed prediction residual and a dequantized transformed prediction residual, wherein the number of coding bits parameter is computed in accordance with at least one of: from a true number of compressed bits resulting from coding said block, directly from a plurality of bins, or directly from a plurality of quantized transform coefficients.

    摘要翻译: 公开了一种用于选择当前画面的块的编码模式的方法和装置。 例如,该方法根据成本函数选择用于编码块的编码模式,其中成本函数包括编码失真参数和编码比特数量,其中所述编码失真参数至少根据 在预测残差和重构预测残差之间,或在变换预测残差与去量化变换预测残差之间的其中之一,其中根据以下至少一个来计算编码位参数的数目:从真实数量的压缩位 这是由直接从多个箱中或直接从多个量化变换系数对所述块进行编码而产生的。

    Method and apparatus for providing rate control for panel-based real-time video encoder
    8.
    发明授权
    Method and apparatus for providing rate control for panel-based real-time video encoder 有权
    为基于面板的实时视频编码器提供速率控制的方法和装置

    公开(公告)号:US07564901B2

    公开(公告)日:2009-07-21

    申请号:US11539786

    申请日:2006-10-09

    申请人: Limin Wang Jian Zhou

    发明人: Limin Wang Jian Zhou

    IPC分类号: H04N7/18

    摘要: A method and apparatus for providing multi-panel rate control of real-time video digital encoders such as an MPEG or H series including the steps of bit allocation, rate control and adaptive quantization. Bit allocation assigns a target number of bits per group of pictures, and per picture of each type. Rate control adjusts the quantization parameter at the MB level to achieve that target number of bits per picture. Adaptive quantization further modulates the parameter per MB using local activity measure. Bit allocation and rate control can be implemented through a central control unit, or a central digital signal processor (DSP) while adaptive quantization can be implemented at the local panel.

    摘要翻译: 一种用于提供诸如MPEG或H系列的实时视频数字编码器的多面板速率控制的方法和装置,包括比特分配,速率控制和自适应量化的步骤。 位分配分配每组图像的目标位数,以及每种类型的每张图像。 速率控制调整MB级别的量化参数,以实现每个图像的目标位数。 自适应量化使用局部活动度量进一步调整每MB的参数。 位分配和速率控制可以通过中央控制单元或中央数字信号处理器(DSP)来实现,而自适应量化可以在本地面板上实现。

    Method and Apparatus for Selecting a Coding Mode
    9.
    发明申请
    Method and Apparatus for Selecting a Coding Mode 有权
    用于选择编码模式的方法和装置

    公开(公告)号:US20090110066A1

    公开(公告)日:2009-04-30

    申请号:US11928440

    申请日:2007-10-30

    IPC分类号: H04N7/32

    摘要: A method and apparatus for selecting a coding mode for a block of a current picture are disclosed. For example, the method selects a coding mode in accordance with a cost function, for coding the block, wherein the cost function comprises a coding distortion parameter and a number of coding bits parameter, wherein said coding distortion parameter is measured in accordance with at least one of: between a prediction residual and a reconstructed prediction residual, or between a transformed prediction residual and a dequantized transformed prediction residual, wherein the number of coding bits parameter is computed in accordance with at least one of: from a true number of compressed bits resulting from coding said block, directly from a plurality of bins, or directly from a plurality of quantized transform coefficients.

    摘要翻译: 公开了一种用于选择当前画面的块的编码模式的方法和装置。 例如,该方法根据成本函数选择用于编码块的编码模式,其中成本函数包括编码失真参数和编码比特数量,其中所述编码失真参数至少根据 在预测残差和重构预测残差之间,或在变换预测残差与去量化变换预测残差之间的其中之一,其中根据以下的至少一个来计算编码位参数的数目:从真实数量的压缩位 这是由直接从多个箱中或直接从多个量化变换系数对所述块进行编码而产生的。

    Efficient transform unit representation
    10.
    发明授权
    Efficient transform unit representation 有权
    高效的变换单元表示

    公开(公告)号:US09210442B2

    公开(公告)日:2015-12-08

    申请号:US13328948

    申请日:2011-12-16

    摘要: In one embodiment, a method includes receiving a prediction unit (PU) for a coding unit (CU) of the video content. The method analyzes the prediction unit to determine a size of prediction unit. A size of a transform unit is determined based on the size of the prediction unit based on a set of rules. The set of rules specify the size of the transform unit is linked to the size of prediction unit and not a size of the coding unit. The method then outputs the size of the transform unit for use in a transform operation.

    摘要翻译: 在一个实施例中,一种方法包括:接收用于视频内容的编码单元(CU)的预测单元(PU)。 该方法分析预测单元以确定预测单元的大小。 基于一组规则,基于预测单元的大小来确定变换单元的大小。 该组规则指定变换单元的大小与预测单元的大小相关联,而不是编码单元的大小。 然后,该方法输出用于变换操作的变换单元的大小。