METHOD OF ENCODING AN IMAGE INTO A CODED IMAGE, METHOD OF DECODING A CODED IMAGE, AND APPARATUSES THEREOF
    91.
    发明申请
    METHOD OF ENCODING AN IMAGE INTO A CODED IMAGE, METHOD OF DECODING A CODED IMAGE, AND APPARATUSES THEREOF 有权
    将图像编码成编码图像的方法,解码编码图像的方法及其装置

    公开(公告)号:US20130114701A1

    公开(公告)日:2013-05-09

    申请号:US13810540

    申请日:2012-03-02

    IPC分类号: H04N7/26

    摘要: A method of encoding an image into a coded image, the method comprising: writing a quantization offset parameter into the coded image, determining a prediction mode type for coding a block of image samples of the image into a coding unit of the coded image, determining a quantization parameter for the block of image samples, and determining if the prediction mode type is of a predetermined type, wherein if the prediction mode type is of the predetermined type, the method further comprises: modifying the determined quantization parameter using the quantization offset parameter, and performing a quantization process for the block of image samples using the modified quantization parameter, and wherein if the prediction mode type is not of the predetermined type, the method further comprises: performing a quantization process for the block of image samples using the determined quantization parameter.

    摘要翻译: 一种将图像编码为编码图像的方法,所述方法包括:将量化偏移参数写入编码图像,确定用于将图像的图像样本块编码为编码图像的编码单元的预测模式类型,确定 用于所述图像样本块的量化参数,以及确定所述预测模式类型是否是预定类型,其中如果所述预测模式类型是所述预定类型,则所述方法还包括:使用所述量化偏移参数来修改所确定的量化参数 并且使用所述修改的量化参数对所述图像样本块执行量化处理,并且其中如果所述预测模式类型不是所述预定类型,则所述方法还包括:使用所确定的所述尺寸对所述图像样本块执行量化处理 量化参数。

    IMAGE DECODING METHOD, IMAGE CODING METHOD, IMAGE DECODING APPARATUS, IMAGE CODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS
    92.
    发明申请
    IMAGE DECODING METHOD, IMAGE CODING METHOD, IMAGE DECODING APPARATUS, IMAGE CODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS 有权
    图像解码方法,图像编码方法,图像解码装置,图像编码装置,图像编码和解码装置

    公开(公告)号:US20130016782A1

    公开(公告)日:2013-01-17

    申请号:US13544061

    申请日:2012-07-09

    IPC分类号: H04N7/32 H04N7/50 H04N11/02

    摘要: The image decoding method includes determining a context for use in a current block to be processed, from among a plurality of contexts, wherein in the determining: the context is determined under a condition that control parameters of a left block and an upper block are used, when the signal type is a first type; and the context is determined under a third condition that the control parameter of the upper block is not used and a hierarchical depth of a data unit to which the control parameter of the current block belongs is used, when the signal type is a third type, and the third type is one or more of (i) “merge_flag”, (ii) “ref_idx_l0” or “ref_idx_l1”, (iii) “inter_pred_flag”, (iv) “mvd_l0” or “mvd_l1”, (v) “intra_chroma_pred_mode”, (vi) “cbf_luma”, and (vii) “cbf_cb” or “cbf_cr”.

    摘要翻译: 图像解码方法包括从多个上下文中确定要在待处理的当前块中使用的上下文,其中在确定中:在使用左块和上块的控制参数的条件下确定上下文 当信号类型是第一类型时; 并且在第三条件下确定上下文块的控制参数并且使用当前块的控制参数所属的数据单元的分层深度的第三条件,当信号类型是第三类型时, 并且第三类型是(i)merge_flag,(ii)ref_idx_10或ref_idx_l1,(iii)inter_pred_flag,(iv)mvd_10或mvd_l1,(v)intra_chroma_pred_mode,(vi)cbf_luma和(vii)cbf_cb或cbf_cr中的一个或多个 。

    IMAGE CODING METHOD, IMAGE DECODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS
    93.
    发明申请
    IMAGE CODING METHOD, IMAGE DECODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS 有权
    图像编码方法,图像解码方法,图像编码装置,图像解码装置,图像编码和解码装置

    公开(公告)号:US20120328022A1

    公开(公告)日:2012-12-27

    申请号:US13529384

    申请日:2012-06-21

    IPC分类号: H04N7/32

    摘要: An image coding method includes coding a motion vector difference indicating a difference between the motion vector and a predicted motion vector, wherein the coding includes: coding a first portion that is a part of a first component which is one of a horizontal component and a vertical component of the motion vector difference; coding a second portion that is a part of a second component which is different from the first component and is the other one of the horizontal component and the vertical component; coding a third portion that is a part of the first component and is different from the first portion; coding a fourth portion that is a part of the second component and is different from the second portion; and generating a code string which includes the first portion, the second portion, the third portion, and the fourth portion in the stated order.

    摘要翻译: 图像编码方法包括:编码表示运动矢量与预测运动矢量之间的差的运动矢量差异,其中编码包括:编码作为水平分量和垂直方向之一的第一分量的一部分的第一部分 运动矢量差的分量; 编码作为与第一分量不同的第二分量的一部分的第二部分,并且是水平分量和垂直分量中的另一部分; 编码作为第一部件的一部分并且与第一部分不同的第三部分; 编码作为所述第二部件的一部分并且与所述第二部分不同的第四部分; 并以所述顺序生成包括第一部分,第二部分,第三部分和第四部分的代码串。

    IMAGE CODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING METHOD, IMAGE DECODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS
    95.
    发明申请
    IMAGE CODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING METHOD, IMAGE DECODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS 审中-公开
    图像编码方法,图像编码装置,图像解码方法,图像解码装置,图像编码和解码装置

    公开(公告)号:US20120207400A1

    公开(公告)日:2012-08-16

    申请号:US13368447

    申请日:2012-02-08

    IPC分类号: G06K9/36

    CPC分类号: H03M7/4018 H04N19/13

    摘要: An image coding method of compressing and coding image data includes: binariziang a plurality of coefficients to generate a binary signal, the plurality of coefficients being included in a unit of processing of the image data in a frequency domain; determining a context to be used for arithmetic coding of the plurality of coefficients, based on a position of a last non-zero coefficient in a scan order among one or more non-zero coefficients included in the unit of processing; performing arithmetic coding on the binary signal using probability information corresponding to the determined context; and updating, based on the binary signal, the probability information corresponding to the determined context.

    摘要翻译: 压缩和编码图像数据的图像编码方法包括:二进制多个系数以产生二进制信号,所述多个系数被包括在频域中的图像数据的处理单元中; 基于在所述处理单元中包括的一个或多个非零系数中的扫描顺序中的最后非零系数的位置,确定要用于所述多个系数的算术编码的上下文; 使用与所确定的上下文相对应的概率信息对二进制信号执行算术编码; 以及基于所述二进制信号更新与所确定的上下文相对应的概率信息。