Moving picture coding apparatus and moving picture decoding apparatus
    32.
    发明授权
    Moving picture coding apparatus and moving picture decoding apparatus 有权
    运动图像编码装置和运动图像解码装置

    公开(公告)号:US07742523B2

    公开(公告)日:2010-06-22

    申请号:US11976547

    申请日:2007-10-25

    IPC分类号: H04N7/12 G06F12/06

    摘要: A video encoder (70) for coding moving pictures comprising a buffer (16c) with a plurality of memory areas capable of storing frames composed of top fields and bottom fields, a motion estimation unit (19) operable to code, field by field, inputted pictures performing moving estimation and moving compensation by referring, field by field, to the picture data stored in a memory area, a motion compensation unit (16d), a subtractor (11), a transformation unit (13) and a quantization unit (14), a memory management unit (71) operable to manage, frame by frame, a plurality of memory areas, an inverse quantization unit (16a) and inverse discrete cosine transform unit (16b) operable to decode picture data in coded fields and store the picture data in the decoded field in any of the plurality of memory areas under the management by the memory management unit (71).

    摘要翻译: 一种视频编码器(70),用于编码包括具有能够存储由顶场和底场构成的帧的多个存储区的缓冲器(16c)的运动图像,运动估计单元(19)可逐场地编码, 运动补偿单元(16d),减法器(11),变换单元(13)和量化单元(14),通过逐场地参考存储在存储区域中的图像数据,运动补偿单元 ),可操作以逐帧管理多个存储区域的存储器管理单元(71),反量化单元(16a)和反相离散余弦变换单元(16b),其可操作以对编码字段中的图像数据进行解码并存储 在由存储器管理单元(71)管理的多个存储区域中的任一个中的解码字段中的图像数据。

    Picture coding method
    33.
    发明授权
    Picture coding method 有权
    图片编码方法

    公开(公告)号:US07688471B2

    公开(公告)日:2010-03-30

    申请号:US12551799

    申请日:2009-09-01

    IPC分类号: H04N1/40

    摘要: A picture coding method according to the present invention includes: a coding step (S102, S103) of coding, picture parameter sets (PPS) to be used for decoding all the pictures (pic) included in a random access unit (RAU) made up of plural pictures and a sequence parameter set (SPS); and a parameter set placement step (S104) of placing, in the random access unit (RAU), the parameter set (PPS, SPS) coded in the coding step (S102, S103).

    摘要翻译: 根据本发明的图像编码方法包括:编码编码步骤(S102,S103),用于解码包含在随机存取单元(RAU)中的所有图像(pic)的图像参数集(PPS) 的多个图像和序列参数集(SPS); 以及在随机存取单元(RAU)中配置在编码步骤(S102,S103)中编码的参数集(PPS,SPS)的参数集放置步骤(S104)。

    Picture coding method
    35.
    发明授权
    Picture coding method 有权
    图片编码方法

    公开(公告)号:US07602526B2

    公开(公告)日:2009-10-13

    申请号:US10528151

    申请日:2003-12-09

    IPC分类号: H04N1/40

    摘要: A picture coding method according to the present invention includes: a coding step (S102, S103) of coding, picture parameter sets (PPS) to be used for decoding all the pictures (pic) included in a random access unit (RAU) made up of plural pictures and a sequence parameter set (SPS); and a parameter set placement step (S104) of placing, in the random access unit (RAU), the parameter set (PPS, SPS) coded in the coding step (S102, S103).

    摘要翻译: 根据本发明的图像编码方法包括:编码编码步骤(S102,S103),用于解码包含在随机存取单元(RAU)中的所有图像(pic)的图像参数集(PPS) 的多个图像和序列参数集(SPS); 以及在随机存取单元(RAU)中配置在编码步骤(S102,S103)中编码的参数集(PPS,SPS)的参数集放置步骤(S104)。

    Picture coding method and picture decoding method
    36.
    发明授权
    Picture coding method and picture decoding method 有权
    图像编码方法和图像解码方法

    公开(公告)号:US07583731B2

    公开(公告)日:2009-09-01

    申请号:US11392734

    申请日:2006-03-30

    IPC分类号: H04N7/12

    摘要: A picture coding apparatus (300) is a picture coding apparatus that codes a difference between picture data (Img) representing an input picture and predictive picture data (Pred) representing a predictive picture for the input picture and generates coded picture data, and includes a picture decoding unit (104) for decoding coded picture data (Img) after the picture data (Img) is coded; inter pixel filters A and B (303 and 304) for performing inter pixel filter operation for decoded picture data (Recon) obtained by the picture decoding unit (104); switches (301 and 302) for selecting one of the inter pixel filters; and an inter picture predicting unit (108) for generating the predictive picture data (Pred) for the input picture data (Img) using filtered decoded picture data (FilteredImg1), as reference picture data (Ref), obtained by the selected inter pixel filter.

    摘要翻译: 图像编码装置(300)是编码表示输入图像的图像数据(Img)与表示输入图像的预测图像的预测图像数据(Pred)之间的差的图像编码装置,生成编码图像数据,并且包括 在图像数据(Img)被编码之后,解码编码图像数据(Img)的图像解码单元(104) 用于对由图像解码单元(104)获得的解码图像数据(Recon)执行像素间滤波操作的像素间滤波器A和B(303和304); 用于选择所述像素间滤波器之一的开关(301和302) 以及帧间预测单元,用于使用经过滤波的解码图像数据(FilteredImg1)作为参考图像数据(Ref),通过所选择的像素间滤波器(Ref)产生用于输入图像数据(Img)的预测图像数据(Pred) 。

    Moving picture predicting method, moving image encoding method and device, and moving image decoding method and device
    38.
    发明授权
    Moving picture predicting method, moving image encoding method and device, and moving image decoding method and device 有权
    运动图像预测方法,运动图像编码方法和装置,以及运动图像解码方法和装置

    公开(公告)号:US07542510B2

    公开(公告)日:2009-06-02

    申请号:US10500801

    申请日:2003-09-04

    IPC分类号: H04N7/12 G06K9/36

    摘要: A moving picture prediction method for enabling a calculation amount and a storage capacity to be reduced in a prediction about a moving picture by scaling processing is provided. A method for predicting the value P of Time T from the value P0 of Time T0 and the value P1 of Time T1 includes a step of judging whether it is possible to generate a predictive value with a predetermined significant number of bits by scaling using Time T0, T1 and T (Step S90); a step of predicting the value P from the values P0 and P1 by scaling using Time T0, T1 and T when it is possible to generate a predictive value with the predetermined significant number of bits (Step S92); and a step of predicting the value P from the values P0 and P1 without using Time T0, T1 and T when it is impossible to generate a predictive value with the predetermined significant number of bits (Step S91).

    摘要翻译: 提供一种运动图像预测方法,用于通过缩放处理使关于运动图像的预测中的计算量和存储容量减小。 从时间T0的值P0和时间T1的值P1预测时间T的值P的方法包括以下步骤:通过使用时间T0进行缩放来判断是否可以通过缩放生成具有预定有效位数的预测值 ,T1和T(步骤S90); 当可以产生具有预定有效位数的预测值时,通过使用时间T0,T1和T的缩放来从值P0和P1中预测值P的步骤(步骤S92)。 以及当不可能用预定的有效位数生成预测值时,不使用时间T0,T1和T,从值P0和P1预测值P的步骤(步骤S91)。

    Variable length coding method and variable length decoding method
    39.
    发明授权
    Variable length coding method and variable length decoding method 有权
    可变长度编码方法和可变长度解码方法

    公开(公告)号:US07541948B2

    公开(公告)日:2009-06-02

    申请号:US11495600

    申请日:2006-07-31

    IPC分类号: H03M7/40

    摘要: An image coding apparatus provides a run-length encoding unit RLE1 that subjects quantized coefficients which are obtained by quantizing frequency components of an image signal to a variable length coding process by using a run value Run that indicates the number of successive zero coefficients and a level value Lev that indicates a value of a non-zero coefficient following the zero coefficients. The run-length encoding unit RLE1 includes a reordering unit Lreodr for reordering level values Lev; a variable length coder LVLC for coding reordered level values ROLev by using a code table that is selected according to the value of a quantization parameter QP; a reordering unit Rreodr for reordering run values Run from high frequency component of the quantized coefficients to low frequency component; and a variable length coder RVLC for coding reordered run values RORun by using a code table that is selected according to the number of already-processed run values.

    摘要翻译: 图像编码装置提供游程长度编码单元RLE1,该游程长度编码单元RLE1对通过使用指示连续零系数的数量的运行值Run和可变长度编码处理的等级来计算通过将图像信号的频率分量量化为可变长度编码处理而获得的量化系数 值Lev,其表示零系数之后的非零系数的值。 游程长度编码单元RLE1包括用于重新排列水平值Lev的重排序单元Lreodr; 可变长度编码器LVLC,用于通过使用根据量化参数QP的值选择的码表来对重新排序的电平值ROLev进行编码; 用于重新排序运行值的重新排序单元Rreodr从量化系数的高频分量运行到低频分量; 以及可变长度编码器RVLC,用于通过使用根据已经处理的运行值的数量选择的代码表来对重排序的运行值RORun进行编码。