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    Techniques for motion estimation
    21.
    发明申请
    Techniques for motion estimation 审中-公开
    运动估计技术

    公开(公告)号：US20110002387A1

    公开(公告)日：2011-01-06

    申请号：US12657168

    申请日：2010-01-14

    Applicant: Yi-Jen Chiu ,  Lidong Xu ,  Wenhao Zhang

    Inventor： Yi-Jen Chiu ,  Lidong Xu ,  Wenhao Zhang

    IPC: H04N7/26

    CPC classification number: H04N19/57 ,  H04N19/44 ,  H04N19/61

    Abstract: Techniques are described that can be used to apply motion estimation (ME) based on reconstructed reference pictures in a B frame or in a P frame at a video decoder. For a P frame, projective ME may be performed to obtain a motion vector (MV) for a current input block. In a B frame, both projective ME and mirror ME may be performed to obtain an MV for the current input block. A metric an be used determining a metric for each pair of MV0 and MV1 that is found in the search path, where the metric is based on a combination of a first, second, and third metrics. The first metric is based on temporal frame correlation, a second metric is based on spatial neighbors of the reference blocks, and a third metric is based on the spatial neighbors of the current block.

    Abstract translation: 描述了可以用于基于B帧中的重建参考图像或视频解码器的P帧中的运动估计（ME）来应用的技术。 对于P帧，可以执行投影ME以获得当前输入块的运动矢量（MV）。 在B帧中，可以执行投射ME和镜ME两者以获得当前输入块的MV。 用于确定在搜索路径中找到的每对MV0和MV1的度量的度量，其中度量基于第一，第二和第三度量的组合。 第一度量基于时间帧相关，第二度量基于参考块的空间邻居，并且第三度量基于当前块的空间邻居。

    Video encoding techniques
    22.
    发明申请
    Video encoding techniques 有权
    视频编码技术

    公开(公告)号：US20100008417A1

    公开(公告)日：2010-01-14

    申请号：US12217805

    申请日：2008-07-09

    Applicant: Lidong Xu ,  Yi-Jen Chiu

    Inventor： Lidong Xu ,  Yi-Jen Chiu

    IPC: H04B1/66

    CPC classification number: H04N19/82 ,  H04N19/117 ,  H04N19/147 ,  H04N19/17 ,  H04N19/46 ,  H04N19/61

    Abstract: Techniques are described that can be used to determine parameters of an adaptive Wiener filter to apply to a video region. The following parameters of the Wiener filter may be adjusted: coefficients, coefficient quantization, filter type, filter size, prediction mode, entropy encoding, and number of filter tables. The parameters associated with the lowest rate distortion cost of the encoder are selected for transmission with the encoded video. If not using adaptive Wiener filtering results in a lowest rate distortion cost, then adaptive Wiener filtering is not used for the video region. If using adaptive Wiener filtering results in a lowest rate distortion cost, then the parameters applied by the adaptive Wiener filtering that result in the lowest rate distortion cost are communicated with the filtered video region.

    Abstract translation: 描述了可以用于确定适用于视频区域的自适应维纳滤波器的参数的技术。 可以调整维纳滤波器的以下参数：系数，系数量化，滤波器类型，滤波器大小，预测模式，熵编码和滤波器表数。 选择与编码器的最低速率失真成本相关联的参数以便与编码视频一起传输。 如果不使用自适应维纳滤波导致最低速率失真成本，则视频区域不使用自适应维纳滤波。 如果使用自适应维纳滤波导致最低速率失真成本，则导致最低速率失真成本的自适应维纳滤波所应用的参数与滤波视频区域通信。

    Flexible macroblock ordering and arbitrary slice ordering apparatus, system, and method
    24.
    发明申请
    Flexible macroblock ordering and arbitrary slice ordering apparatus, system, and method 有权
    灵活的宏块排序和任意切片排序装置，系统和方法

    公开(公告)号：US20080056347A1

    公开(公告)日：2008-03-06

    申请号：US11479324

    申请日：2006-06-30

    Applicant: Yi-Jen Chiu ,  Prasenjit Biswas

    Inventor： Yi-Jen Chiu ,  Prasenjit Biswas

    IPC: H04B1/66

    CPC classification number: H04N19/44 ,  H04N19/112 ,  H04N19/129 ,  H04N19/174 ,  H04N19/176 ,  H04N19/196 ,  H04N19/197 ,  H04N19/61 ,  H04N19/70

    Abstract: A system, apparatus, method, and article to process a flexible macroblock ordering and arbitrary slice ordering are described. The apparatus may include a video decoder. The video decoder includes a processor to store coding parameters of one or more neighboring macroblocks in a data buffer. The neighboring macroblocks are previously decoded macroblocks and are adjacent to a current macroblock. The processor is to store control parameters for each of the one or more neighboring macroblocks in the data buffer. The processor is to reconstruct coding parameters for the current macroblock using availability information associated with the neighboring macroblocks.

    Abstract translation: 描述了处理柔性宏块排序和任意片排序的系统，装置，方法和制品。 该装置可以包括视频解码器。 视频解码器包括处理器，用于存储数据缓冲器中的一个或多个相邻宏块的编码参数。 相邻宏块是先前解码的宏块，并且与当前宏块相邻。 处理器用于存储数据缓冲器中的一个或多个相邻宏块中的每一个的控制参数。 处理器使用与相邻宏块相关联的可用性信息来重构当前宏块的编码参数。

    Method for neighboring block data management of advanced video decoder
    25.
    发明申请
    Method for neighboring block data management of advanced video decoder 有权
    高级视频解码器相邻块数据管理方法

    公开(公告)号：US20070230582A1

    公开(公告)日：2007-10-04

    申请号：US11396102

    申请日：2006-03-31

    Applicant: Yi-Jen Chiu ,  Prasanna Singamsetty ,  Munsi Haque

    Inventor： Yi-Jen Chiu ,  Prasanna Singamsetty ,  Munsi Haque

    IPC: H04N11/04 ,  H04N11/02

    CPC classification number: H04N19/112 ,  H04N19/16 ,  H04N19/176 ,  H04N19/29

    Abstract: An embodiment improves the operation of a H.264 and Joint Scalable Video Codec (e.g., JSVC/H.264 Amendment 3) video decoder by managing neighboring block data during the decoding process. An embodiment pre-computes neighboring block tables to efficiently locate the neighboring block data required to decode a current macroblock. In particular, the pre-computed most probable joint neighboring block tables disclosed herein handle both macroblock adaptive frame field (MBAFF) coding and non-MBAFF coding. An embodiment is further capable of managing variable block sizes. Other embodiments are described and claimed.

    Abstract translation: 实施例通过在解码过程期间管理相邻块数据来改进H.264和联合可缩放视频编解码器（例如，JSVC / H.264修正版3）视频解码器的操作。 实施例预先计算相邻块表以有效地定位解码当前宏块所需的相邻块数据。 特别地，本文公开的预先计算的最可能的联合相邻块表处理宏块自适应帧场（MBAFF）编码和非MBAFF编码。 一个实施例还能够管理可变块大小。 描述和要求保护其他实施例。

    Techniques to detect gaussian noise
    26.
    发明申请
    Techniques to detect gaussian noise 失效
    检测高斯噪声的技术

    公开(公告)号：US20060257043A1

    公开(公告)日：2006-11-16

    申请号：US11126569

    申请日：2005-05-10

    Applicant: Yi-Jen Chiu

    Inventor： Yi-Jen Chiu

    IPC: G06K9/40

    CPC classification number: G06K9/40

    Abstract: A system, apparatus, method and article to filter media signals are described. The apparatus may include a media processor. The media processor may include an image signal processor having multiple processing elements to determine a level of noise for an image using an internal spatial region of said image, select filter parameters based on the level of noise, and filter the image using the filter parameters. Other embodiments are described and claimed.

    Abstract translation: 描述了过滤媒体信号的系统，装置，方法和制品。 该装置可以包括媒体处理器。 媒体处理器可以包括具有多个处理元件的图像信号处理器，以使用所述图像的内部空间区域确定图像的噪声水平，基于噪声水平选择滤波器参数，以及使用滤波器参数对图像进行滤波。 描述和要求保护其他实施例。

    Facsimile-based video compression method and system
    27.
    发明授权
    Facsimile-based video compression method and system 失效
    基于传真的视频压缩方法和系统

    公开(公告)号：US5740278A

    公开(公告)日：1998-04-14

    申请号：US606043

    申请日：1996-02-16

    Applicant: Toby Berger ,  Yi-Jen Chiu

    Inventor： Toby Berger ,  Yi-Jen Chiu

    IPC: G06T9/00 ,  H04N7/32 ,  H04N7/36 ,  H04N7/46 ,  G06K9/36 ,  H04N7/12

    CPC classification number: H04N19/00 ,  H04N19/503 ,  H04N19/507 ,  H04N19/587 ,  H04N19/59 ,  H04N19/93

    Abstract: A method and system for compressing and decompressing video image data in real time employs thresholding and facsimile-based encoding to eliminate the need for computationally intensive two-dimensional transform-based compression techniques. The method operates first by forming a difference frame which contains only information pertaining to the difference between a current video image frame and a computed approximation of the video image frame. The difference frame is fed to a thresholder which categorizes each pixel in the frame as being either in a first set having intensities above or at a preset threshold, or a second set having intensities below a preset threshold. A facsimile-based compression algorithm is then employed to encode the first set of above or at threshold pixel locations. To compress the intensity data for each above or at threshold pixel, a quantizer and lossless encoder are preferably employed, with the quantizer serving to categorize the intensities by groups, and the lossless encoder using conventional coding, such as Huffman coding, to compress the intensity data further. Various techniques may be employed with the embodiments of the invention to adjust the actual amount of compressed data generated by the method and system to accommodate communication lines with different data rate capabilities.

    Abstract translation: 用于实时压缩和解压缩视频图像数据的方法和系统采用阈值和基于传真的编码，以消除对基于计算密集型二维变换的压缩技术的需要。 该方法首先通过形成仅包含与当前视频图像帧和计算出的视频图像帧的近似之间的差异的信息的差分帧来操作。 差分帧被馈送到将帧中的每个像素分类为具有高于或处于预设阈值的强度的第一组的阈值器，或者具有低于预设阈值的强度的第二组。 然后采用基于传真的压缩算法对上述第一组或阈值像素位置进行编码。 为了压缩每个上述或阈值像素处的强度数据，优选地采用量化器和无损编码器，量化器用于按组分组强度，并且使用诸如霍夫曼编码的常规编码的无损编码器来压缩强度 数据进一步。 本发明的实施例可以采用各种技术来调整由方法和系统生成的压缩数据的实际量，以适应​​具有不同数据速率能力的通信线路。

    Systems, methods, and computer program products for scalable video coding based on coefficient sampling
    29.
    发明授权
    Systems, methods, and computer program products for scalable video coding based on coefficient sampling 有权

    公开(公告)号：US09955154B2

    公开(公告)日：2018-04-24

    申请号：US13995182

    申请日：2012-06-29

    Applicant: Wenhao Zhang ,  Yi-Jen Chiu ,  Lidong Xu ,  Yu Han ,  Hong Jiang

    Inventor： Wenhao Zhang ,  Yi-Jen Chiu ,  Lidong Xu ,  Yu Han ,  Hong Jiang

    IPC: H04N19/30

    CPC classification number: H04N19/63 ,  H04N19/30

    Abstract: Methods, systems, and computer program products for the generation of multiple layers of scaled encoded video data compatible with the HEVC standard. Residue from prediction processing may be transformed into coefficients in the frequency domain. The coefficients may then be sampled to create a layer of encoded data. The coefficients may be sampled in different ways to create multiple respective layers. The layers may then be multiplexed and sent to a decoder. There, one or more of the layers may be chosen. The choice of certain layer(s) may be dependent on the desired attributes of the resulting video. A certain level of video quality, frame rate, resolution, and/or bit depth may be desired, for example. The coefficients in the chosen layers may then be assembled to create a version of the residue to be used in video decoding.

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