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    Decoder Unit for Texture Decompression
    52.
    发明申请
    Decoder Unit for Texture Decompression 审中-公开

    公开(公告)号：US20180315233A1

    公开(公告)日：2018-11-01

    申请号：US15965882

    申请日：2018-04-28

    申请人： Imagination Technologies Limited

    发明人： Yoong Chert Foo ,  Kenneth Rovers

    IPC分类号： G06T15/04 ,  G06T9/00 ,  G06T11/00

    CPC分类号： G06T9/00 ,  H04N19/436 ,  H04N19/44

    摘要： A decoder unit is configured to decode a plurality of texels in accordance with a texel request, the plurality of texels being encoded across one or more blocks of encoded texture data each encoding a block of texels, and includes a first set of one or more decoders, each of the first set of decoders being configured to decode n texels from a single received block of encoded texture data; a second set of or more decoders, each of the second set of decoders being configured to decode p texels from a single received block of encoded texture data, where p

    Multi-Output Decoder for Texture Decompression
    53.
    发明申请
    Multi-Output Decoder for Texture Decompression 审中-公开

    公开(公告)号：US20180315218A1

    公开(公告)日：2018-11-01

    申请号：US15965892

    申请日：2018-04-28

    申请人： Imagination Technologies Limited

    发明人： Kenneth Rovers ,  Yoong Chert Foo

    IPC分类号： G06T11/00 ,  G06T15/04 ,  G06T9/00

    CPC分类号： G06T9/00 ,  H04N19/436 ,  H04N19/44

    摘要： A decoder is configured to decode a plurality of texels from a received block of texture data encoded according to the Adaptive Scalable Texture Compression (ASTC) format, and includes a parameter decode unit configured to decode configuration data for the received block of texture data, a colour decode unit configured to decode colour endpoint data for the plurality of texels of the received block in dependence on the configuration data, a weight decode unit configured to decode interpolation weight data for each of the plurality of texels of the received block in dependence on the configuration data, and at least one interpolator unit configured to calculate a colour value for each of the plurality of texels of the received block using the interpolation weight data for that texel and a pair of colour endpoints from the colour endpoint data. At least one of the parameter decode unit, colour decode unit and weight decode unit are configured to decode intermediate data from the received block that is common to the decoding of at least a subset of texels of that block and to use that decoded intermediate data as part of the decoding of at least two of the plurality of texels from the received block of texture data.

    IMAGE CODING APPARATUS, IMAGE CODING METHOD, AND STORAGE MEDIUM
    59.
    发明申请
    IMAGE CODING APPARATUS, IMAGE CODING METHOD, AND STORAGE MEDIUM 审中-公开

    公开(公告)号：US20180262761A1

    公开(公告)日：2018-09-13

    申请号：US15907989

    申请日：2018-02-28

    申请人： CANON KABUSHIKI KAISHA

    发明人： Satoshi Naito

    IPC分类号： H04N19/139 ,  H04N19/119 ,  H04N19/176

    CPC分类号： H04N19/139 ,  H04N19/107 ,  H04N19/119 ,  H04N19/176 ,  H04N19/433 ,  H04N19/436

    摘要： An apparatus includes a first holding unit configured to hold, in a reference image, first reference pixels in a search range including a block corresponding to a first block as a coding target in the input image, a first search unit configured to search for a motion vector of a prediction block included in the first block, using the first reference pixels, a second holding unit configured to hold, in the reference image, second reference pixels in a search range including a block corresponding to a second block as a coding target, a second search unit configured to search for a motion vector of a prediction block included in the second block, using the second reference pixels, and a transfer unit configured to read, from among the first reference pixels, a reference pixel to be used by the second search unit for the search.