Apparatus for layered video coding
    1.
    发明公开
    Apparatus for layered video coding 审中-公开
    一种用于视频编码设备与多个层的

    公开(公告)号:EP0901289A3

    公开(公告)日:2003-07-02

    申请号:EP98116684.6

    申请日:1998-09-03

    IPC分类号: H04N7/50 H04N7/26 H04N7/52

    摘要: A video signal layering-encoding system according to the present invention has at least either a frequency distribution unit to judge a frequency distribution in an input video signal or a motion judgment unit to judge the motion of an input video signal. With this, encoding quantity control according to the characteristics of the input video signal can be performed between layers. Also, with selection of encode modes and sharing of a motion vector, the encoded data of a bidirectionally predicted frame can be reduced and the encoding efficiency of a high resolution signal can be increased. A digital broadcast decoding system according to the present invention can readily display a plurality of broadcasting programs on different channels onto a small screen within a main screen when digital broadcasts are received, by a decoding method in which processing is easy, structurally simple circuitry, and software. In a digital broadcasting signal storage according to the present invention, by thinning out DCT coefficients to reduce the quantity of data to be stored or to slow down the storing speed of requisite data and by addition of a video signal decoding section and video signal encoding section for encoding video signals again, the video signal format in a storage medium can be fixed as a single format.

    Shuffling device, coding device, decoding device of video signal and medium recording the programs of shuffling, coding and decoding
    3.
    发明公开
    Shuffling device, coding device, decoding device of video signal and medium recording the programs of shuffling, coding and decoding 审中-公开
    一种用于交织,编码和解码,以及用于记录Verschachtelung-,Kodierung-载体,和解码程序装置

    公开(公告)号:EP1059813A2

    公开(公告)日:2000-12-13

    申请号:EP00112297.7

    申请日:2000-06-08

    IPC分类号: H04N7/30

    摘要: A video signal shuffling device forms a segment with blocks having a given offset value in horizontal and vertical directions from a given starting point uniquely determined on the screen, the offset value being identical in every region. The segment is formed in a unit of one frame or two frames. The shuffling device divides one frame comprising blocks into a plurality of regions. A coding device determines a final priority as well as a final quantizer thereby quantizing a segment and providing the segment with a variable-length-coding based on a first priority, coding-quantity obtained from a plurality of quantizers, second priority and a quantizer. A coding device and its decoder, the coding device carries out a hierarchical coding by only a motion vector in a compressed stream at a lower resolution side and by agreeing a motion detected and a DCT block size with a size on the screen.

    摘要翻译: 一种视频信号混洗装置形成与具有水平和垂直方向的给定偏移值的块从给定的起始点在屏幕上唯一地确定的开采,所述偏移值是在每个区域相同的段。 该段在一帧或两帧的单元形成。 洗牌装置将一帧分成包括区域的多个块。 的编码装置bestimmt的最终优先级,以及一个最终量化从而量化的片段,并提供该段具有基于第一优先级的可变长度编码,编码量从量化器,第二优先级和一个量化器的多个获得。 的编码装置和解码器及其,编码设备通过同意检测到的运动,并与在屏幕上的大小的DCT块大小进行通过以较低的分辨率在压缩流只有一个运动矢量和侧的分层编码。

    Video signal recording apparatus, video signal recording and reproduction apparatus, video signal coding device, and video signal transmission apparatus
    4.
    发明公开
    Video signal recording apparatus, video signal recording and reproduction apparatus, video signal coding device, and video signal transmission apparatus 失效
    视频信号记录装置,视频信号记录和再现装置,视频信号编码装置和视频信号传输装置

    公开(公告)号:EP0688134A3

    公开(公告)日:1996-08-14

    申请号:EP95109240.2

    申请日:1995-06-14

    IPC分类号: H04N5/926 H04N5/917

    摘要: A video signal recording apparatus including a switching device (102) for receiving a digital progressive scan TV signal having a frame cycle which is 1/2 of the frame cycle of an interlaced scan TV signal and switching the progressive scan TV signal frame by frame alternately; a coding device (104) for performing high-rate coding of data corresponding to one frame of the progressive scan TV signal to the same code amount as obtained by high-rate coding of data corresponding to one frame including two successive fields of an interlaced scan standard-definition TV signal; and a recording device (105) for recording the data processed with the high-rate coding in the same number of tracks as the data corresponding to one frame of the interlaced scan standard-definition TV signal.

    摘要翻译: 一种视频信号记录装置,包括:切换装置(102),用于接收具有隔行扫描TV信号的帧周期的1/2帧周期的帧的数字逐行扫描TV信号,并逐帧切换逐行扫描TV信号 ; 编码装置(104),用于执行对应于逐行扫描TV信号的一帧的数据的高速编码,其编码量与对应于包括隔行扫描的两个连续场的一帧的数据的高速编码所获得的码量相同 标清电视信号; 以及记录装置(105),用于将与高速编码处理的数据记录在与隔行扫描标清电视信号的一帧相对应的数据轨道数相同的轨道上。

    Video signal recording apparatus, video signal recording and reproduction apparatus, video signal coding device, and video signal transmission apparatus
    8.
    发明公开
    Video signal recording apparatus, video signal recording and reproduction apparatus, video signal coding device, and video signal transmission apparatus 失效
    Fernsehsignalaufnahme-,Fernsehsignalaufnahme- und wiedergabe,Fernsehsignalkodier和Fernsehsignalübertragungsvorrichtung

    公开(公告)号:EP0688134A2

    公开(公告)日:1995-12-20

    申请号:EP95109240.2

    申请日:1995-06-14

    IPC分类号: H04N5/926 H04N5/917

    摘要: A video signal recording apparatus including a switching device (102) for receiving a digital progressive scan TV signal having a frame cycle which is 1/2 of the frame cycle of an interlaced scan TV signal and switching the progressive scan TV signal frame by frame alternately; a coding device (104) for performing high-rate coding of data corresponding to one frame of the progressive scan TV signal to the same code amount as obtained by high-rate coding of data corresponding to one frame including two successive fields of an interlaced scan standard-definition TV signal; and a recording device (105) for recording the data processed with the high-rate coding in the same number of tracks as the data corresponding to one frame of the interlaced scan standard-definition TV signal.

    摘要翻译: 一种视频信号记录装置,包括用于接收数字逐行扫描TV信号的开关装置(102),该数字逐行扫描TV信号的帧周期为隔行扫描TV信号的帧周期的1/2,并逐行切换逐行扫描TV信号 ; 编码装置(104),用于对与逐行扫描TV信号的一帧相对应的数据执行与对应于包括隔行扫描的两个连续场的一帧的数据的高速率编码所获得的相同的代码量的高速编码 标清电视信号; 以及记录装置(105),用于以与隔行扫描标准清晰度TV信号的一帧对应的数据相同数量的磁道记录用高速率编码处理的数据。

    Video signal coding apparatus
    9.
    发明公开
    Video signal coding apparatus 有权
    用于视频编码的装置

    公开(公告)号:EP0920212A3

    公开(公告)日:2001-09-05

    申请号:EP98122010.6

    申请日:1998-11-19

    IPC分类号: H04N7/26

    摘要: A video signal coding apparatus comprises a divider 102 that divides an input digital video signal into an effective area and an additional area, an effective-area blocking device 103 for dividing the effective area into effective blocks, an effective-area encoder 104 that hight-efficiency-codes the effective blocks to create effective compressed blocks, an additional-area encoder 105 that hight-efficiency-codes the additional area to create additional compressed data, an additional-area blocking device 106 for dividing the additional compressed data into additional compressed blocks each a luminance signal for a plurality of pixels and at least one color difference signal for pixels arranged at the same position as the plurality of pixels, and a substitution device 107 that substitutes the additional compressed blocks for data in the same effective compressed blocks at predetermined positions.