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    CODING AND DECODING UTILIZING PICTURE BOUNDARY VARIABILITY IN FLEXIBLE PARTITIONING
    11.
    发明申请
    CODING AND DECODING UTILIZING PICTURE BOUNDARY VARIABILITY IN FLEXIBLE PARTITIONING 审中-公开
    编码和解码在灵活分割中利用图像边界可变性

    公开(公告)号：US20120082238A1

    公开(公告)日：2012-04-05

    申请号：US13247176

    申请日：2011-09-28

    Applicant: Krit Panusopone ,  Xue Fang ,  Limin Wang

    Inventor： Krit Panusopone ,  Xue Fang ,  Limin Wang

    IPC: H04N7/26

    CPC classification number: H04N19/14 ,  H04N19/119 ,  H04N19/172 ,  H04N19/46 ,  H04N19/70 ,  H04N19/96

    Abstract: There is a coding including-preparing coding units based on source pictures. The coding units are associated with largest coding tree units (LCTUs) which are polygons of source pictures. A tree format is utilized in processing the LCTUs into coding units. The preparing includes calculating an efficiency measure associated with a source picture position in a coordinate system based on fitting the coordinate system and the source picture with respect to each other. The preparing includes determining the source picture position based on a coding efficiency goal. The source picture is divided into LCTUs based on the coordinate system and the determined source picture position. There is also a decoding including processing video compression data which is generated based on the coding units based on partitions of LCTUs.

    Abstract translation: 存在基于源图像的编码包括准备编码单元。 编码单元与作为源图像的多边形的最大编码树单元（LCTU）相关联。 利用树形格式将LCTU处理成编码单元。 准备包括基于将坐标系和源图像相对于彼此拟合来计算与坐标系中的源图像位置相关联的效率测量。 准备包括基于编码效率目标来确定源图像位置。 源图像基于坐标系和确定的源图像位置分为LCTU。 还有一种包括处理基于基于LCTU分区的编码单元生成的视频压缩数据的解码。

    RATE CONTROL FOR TWO-PASS ENCODER USING ADAPTIVE QUANTIZATION PARAMETERS
    12.
    发明申请
    RATE CONTROL FOR TWO-PASS ENCODER USING ADAPTIVE QUANTIZATION PARAMETERS 有权
    使用自适应量化参数的两通编码器的速率控制

    公开(公告)号：US20110150076A1

    公开(公告)日：2011-06-23

    申请号：US12645702

    申请日：2009-12-23

    Applicant: Limin Wang ,  Yinqing Zhao

    Inventor： Limin Wang ,  Yinqing Zhao

    IPC: H04N7/26

    CPC classification number: H04N19/124 ,  H04N19/115 ,  H04N19/14 ,  H04N19/149 ,  H04N19/152 ,  H04N19/159 ,  H04N19/16 ,  H04N19/172 ,  H04N19/176 ,  H04N19/194 ,  H04N19/196 ,  H04N19/436 ,  H04N19/503

    Abstract: A two-pass encoder determines a quantization parameter (QP) value to control an actual number of bits consumed in a second encoding pass. The two-pass encoder includes a first encoding module, a rate control module and a second encoding module. The first encoding module includes a circuit configured to perform a first encoding pass to encode input video sequences. The rate control module is configured to determine R, a target bit rate for a picture in the second encoding pass, and α, a variable dependent on a QP value range, a picture type, and complexity. Q, a QP value for the picture or an MB of the picture in the second encoding pass, is also determined based on R and α. The second encoding module is configured to use Q to encode the picture or the MB of the picture in the input video sequence in the second encoding pass to form an output bitstream. The rate control module is further configured to update α to encode a next picture or a next MB of the picture in the second encoding pass.

    Abstract translation: 双通道编码器确定量化参数（QP）值以控制在第二编码通过中消耗的实际位数。 双通编码器包括第一编码模块，速率控制模块和第二编码模块。 第一编码模块包括被配置为执行编码输入视频序列的第一编码遍的电路。 速率控制模块被配置为确定R是第二编码通过中的图像的目标比特率，α是取决于QP值范围，图像类型和复杂度的变量。 Q，也基于R和α来确定图像的QP值或第二编码遍中的图像的MB。 第二编码模块被配置为在第二编码遍中使用Q对输入视频序列中的图像或图像的MB进行编码以形成输出比特流。 速率控制模块还被配置为更新α以对第二编码遍中的图像的下一个图像或下一个MB进行编码。

    CREATING CHANNEL SEQUENCE SEGMENTS FOR FAST CHANNEL CHANGE IN IPTV
    14.
    发明申请
    CREATING CHANNEL SEQUENCE SEGMENTS FOR FAST CHANNEL CHANGE IN IPTV 有权
    为IPTV快速频道更改创建频道序列部分

    公开(公告)号：US20100125883A1

    公开(公告)日：2010-05-20

    申请号：US12270990

    申请日：2008-11-14

    Applicant: Sarit Mukherjee ,  Limin Wang

    Inventor： Sarit Mukherjee ,  Limin Wang

    IPC: H04N7/173

    CPC classification number: H04N21/64322 ,  H04N21/6125 ,  H04N21/6405 ,  H04N21/64723

    Abstract: Embodiments of the present invention are methods for selecting, out of a lineup of IPTV channels, a subset of channels for caching. The methods take into account viewers' tendency to walk through the channels that lie between their current channel and their desired channel if that walking distance is short, and, alternatively, viewers' tendency to jump to a distant channel. Accordingly, embodiments of the present invention include any channel selection method which selects for caching any number of channels less than the entire lineup, and where at least two of those channels form a segment of adjacent channels. Other embodiments include methods which rely upon specific extrinsic data, e.g., IGMP and EPG information, for selecting a subset of channels to be cached.

    Abstract translation: 本发明的实施例是用于从IPTV频道的阵容中选择用于高速缓存的信道子集的方法。 这些方法考虑到观众倾向于通过位于其当前频道和所需频道之间的频道，如果步行距离短，或者观众倾向于跳到遥远的频道。 因此，本发明的实施例包括任何频道选择方法，其选择用于缓存小于整个阵容的任何数量的信道，并且其中这些信道中的至少两个形成相邻信道的分段。 其他实施例包括依赖于特定外在数据（例如IGMP和EPG信息）的方法，用于选择要缓存的信道的子集。

    Macroblock level adaptive frame/field coding for digital video content
    15.
    发明授权
    Macroblock level adaptive frame/field coding for digital video content 有权
    用于数字视频内容的宏块级自适应帧/场编码

    公开(公告)号：US07310377B2

    公开(公告)日：2007-12-18

    申请号：US11027656

    申请日：2004-12-30

    Applicant: Limin Wang ,  Rajeev Gandhi ,  Krit Panusopone ,  Ajay Luthra

    Inventor： Limin Wang ,  Rajeev Gandhi ,  Krit Panusopone ,  Ajay Luthra

    IPC: H04B1/66

    CPC classification number: H04N19/105 ,  H04N19/112 ,  H04N19/137 ,  H04N19/573

    Abstract: A method and system of encoding and decoding digital video content. The digital video content comprises a stream of pictures which can each be intra, predicted, or bi-predicted pictures. Each of the pictures comprises macroblocks that can be further divided into smaller blocks. The method entails encoding and decoding each of the smaller blocks in each picture in said stream of pictures in either frame mode or in field mode.

    Abstract translation: 数字视频内容的编码和解码方法和系统。 数字视频内容包括可以是帧内，预测或双预测图像的图像流。 每个图像包括可以进一步分割成较小块的宏块。 该方法需要在帧模式或场模式下对所述图像流中的每个图像中的每个较小块进行编码和解码。

    Method and apparatus for providing a rate control for interlace coding
    19.
    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

    Applicant: Limin Wang ,  Xue Fang ,  Jian Zhou

    Inventor： Limin Wang ,  Xue Fang ,  Jian Zhou

    IPC: H04N7/12 ,  H04N11/04 ,  H04B1/66 ,  H04N11/02

    CPC classification number: H04N19/177 ,  H04N19/115 ,  H04N19/124 ,  H04N19/15 ,  H04N19/152 ,  H04N19/159 ,  H04N19/16 ,  H04N19/172 ,  H04N19/61

    Abstract: 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.

    Abstract translation: 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 providing motion estimation with weight prediction
    20.
    发明申请
    Method and apparatus for providing motion estimation with weight prediction 审中-公开
    用于通过重量预测提供运动估计的方法和装置

    公开(公告)号：US20060146932A1

    公开(公告)日：2006-07-06

    申请号：US11026404

    申请日：2004-12-30

    Applicant: Krit Panusopone ,  Xue Fang ,  Limin Wang

    Inventor： Krit Panusopone ,  Xue Fang ,  Limin Wang

    IPC: H04N7/12 ,  H04N11/04 ,  H04B1/66 ,  H04N11/02

    CPC classification number: H04N19/523 ,  H04N19/117 ,  H04N19/182 ,  H04N19/61

    Abstract: The present invention discloses an apparatus and method for providing a motion estimation method with weight prediction that requires less memory and computation cycles. In one embodiment, the weight is applied to pixels of a current slice or picture instead of the reference picture. In doing so, the number of processing cycles is significantly reduced while retaining the benefits of implementing a motion estimation method with weight prediction.

    Abstract translation: 本发明公开了一种用于提供具有需要更少存储器和计算周期的权重预测的运动估计方法的装置和方法。 在一个实施例中，权重被施加到当前片或图像的像素而不是参考图像。 在这样做时，处理周期的数量显着减少，同时保持实施具有重量预测的运动估计方法的好处。

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