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    STORING AND RETRIEVING HIGH BIT DEPTH IMAGE DATA
    11.
    发明申请
    STORING AND RETRIEVING HIGH BIT DEPTH IMAGE DATA 审中-公开

    公开(公告)号：US20190098325A1

    公开(公告)日：2019-03-28

    申请号：US15713065

    申请日：2017-09-22

    Applicant: QUALCOMM Incorporated

    Inventor： Cheng-Teh Hsieh ,  In Suk Chong ,  Xianglin Wang

    IPC: H04N19/46 ,  H04N19/70 ,  H04N19/645 ,  H04N19/159

    Abstract: In one example, a device for accessing image data includes a memory configured to store image data and one or more processors configured to code a plurality of bit length values for a plurality of block fixed length code length (bflc_len) values for a plurality of blocks of a tile or sub-tile of an image, the bit length values representing numbers of bits used to code the blfc_len values, code the bflc_len values for each of the plurality of blocks such that the bflc_len values have numbers of bits indicated by the respective bit length values, code the codewords for each of the plurality of blocks such that the codewords have the numbers of bits indicated by the bflc_len values for corresponding blocks of the plurality of blocks, and access the bit length values, the bflc_len values, and the codewords in the memory.

    ADAPTIVE LOOP FILTERING FOR CHROMA COMPONENTS
    16.
    发明申请
    ADAPTIVE LOOP FILTERING FOR CHROMA COMPONENTS 有权
    用于色谱组件的自适应环路滤波

    公开(公告)号：US20130101018A1

    公开(公告)日：2013-04-25

    申请号：US13653950

    申请日：2012-10-17

    Applicant: QUALCOMM INCORPORATED

    Inventor： In Suk Chong ,  Xianglin Wang ,  Marta Karczewicz

    IPC: H04N7/26

    CPC classification number: H04N19/196 ,  H04N19/117 ,  H04N19/14 ,  H04N19/186 ,  H04N19/463 ,  H04N19/82

    Abstract: This disclosure proposes techniques to allow more flexibility in filtering chroma components in the adaptive loop filter. In one example, a method for adaptive loop filtering includes performing luma adaptive loop filtering based for luma components of a block of pixels, and performing chroma adaptive loop filtering for chroma components of the block of pixels, wherein filter coefficients for both the luma adaptive loop filtering and chroma adaptive loop filtering are derived from a block-based mode or a region-based mode. The method may further include determining to perform luma adaptive loop filtering on the block of pixels, and determining to perform chroma adaptive loop filtering on the block of pixels, wherein the determining to perform chroma adaptive loop filtering is performed independently of determining to perform luma adaptive loop filtering.

    Abstract translation: 本公开提出了在自适应环路滤波器中滤除色度分量的更多灵活性的技术。 在一个示例中，用于自适应环路滤波的方法包括基于像素块的亮度分量执行亮度自适应环路滤波，并且对像素块的色度分量执行色度自适应环路滤波，其中亮度自适应环路的滤波器系数 从基于块的模式或基于区域的模式导出滤波和色度自适应环路滤波。 该方法还可以包括确定对像素块执行亮度自适应环路滤波，并且确定对像素块执行色度自适应环路滤波，其中执行色度自适应环路滤波的确定独立于确定执行亮度自适应 循环过滤。

    ZERO BLOCK DETECTION USING ADAPTIVE RATE MODEL
    17.
    发明申请
    ZERO BLOCK DETECTION USING ADAPTIVE RATE MODEL 审中-公开

    公开(公告)号：US20180288420A1

    公开(公告)日：2018-10-04

    申请号：US15940393

    申请日：2018-03-29

    Applicant: QUALCOMM Incorporated

    Inventor： Yang Yu ,  In Suk Chong ,  Xianglin Wang ,  Marta Karczewicz

    IPC: H04N19/147 ,  H04N19/124 ,  H04N19/176 ,  H04N19/64

    Abstract: A video coding device may be configured to estimate, based on a combination of a first parameter and a number of non-zero coefficients in a frame, a number of bits for non-zero coefficients of the frame, to encode the frame based on the estimated number of bits for the non-zero coefficients, to collect an actual number of bits used to encode the non-zero coefficients of the frame and an actual number of the non-zero coefficients in the frame, to update, based on the actual number of bits used to encode the non-zero coefficients of the frame and the actual number of non-zero coefficients in the frame, only the first parameter to form an updated first parameter, to form a rate estimation model using the updated first parameter and a second parameter, and to select, based on the rate estimation model, a coding mode for each block in the frame.

    Merge signaling and loop filter on/off signaling
    19.
    发明授权
    Merge signaling and loop filter on/off signaling 有权
    合并信令和环路滤波器开/关信号

    公开(公告)号：US09591331B2

    公开(公告)日：2017-03-07

    申请号：US13829774

    申请日：2013-03-14

    Applicant: QUALCOMM Incorporated

    Inventor： In Suk Chong ,  Jaehong Chon ,  Marta Karczewicz

    IPC: H04N19/70 ,  H04N19/82 ,  H04N19/174 ,  H04N19/80 ,  H04N19/176 ,  H04N19/117

    CPC classification number: H04N19/70 ,  H04N19/117 ,  H04N19/174 ,  H04N19/176 ,  H04N19/80 ,  H04N19/82

    Abstract: Systems, methods, and devices are disclosed that encode video, decode video, or both. These systems, methods, and devices generate and/or receive an enable syntax element in an encoded bitstream, wherein the enable syntax element indicates whether a loop filter is turned on or turned off for a group of video blocks. They also generate or receive one or more additional syntax elements identifying parameters for the loop filter for the group of video blocks in response to the enable syntax element indicating the loop filter is turned on for the group of video blocks. These systems, methods, and devices also perform the loop filter for the group of video blocks based on the received enable syntax element.

    Abstract translation: 公开了对视频，解码视频或两者进行编码的系统，方法和设备。 这些系统，方法和设备在编码比特流中产生和/或接收启用语法元素，其中启用语法元素指示是否为一组视频块打开或关闭环路滤波器。 响应于指示为视频块组接通环路滤波器的使能语法元素，它们还生成或接收一个或多个额外的语法元素，用于识别视频块组的环路滤波器的参数。 这些系统，方法和设备还基于接收到的使能语法元素对视频块组执行环路滤波器。

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