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    • 1. 发明授权
    • Digital image recording and/or reproducing apparatus using a plurality of compression methods
    • 使用多种压缩方法的数字图像记录和/或再现装置
    • US06192190B1
    • 2001-02-20
    • US08453489
    • 1995-05-30
    • Akihiko TojoToshihiko MimuraYoshitaka MurataNobuaki DateKan TakaiwaHideaki KawamuraHiroyuki HoriiTakashi SuzukiSeiichi Ozaki
    • Akihiko TojoToshihiko MimuraYoshitaka MurataNobuaki DateKan TakaiwaHideaki KawamuraHiroyuki HoriiTakashi SuzukiSeiichi Ozaki
    • H04N592
    • H04N9/7921H04N5/772H04N9/8042H04N9/8063
    • A digital image recording and/or reproducing apparatus using a plurality of compression methods may include, in a recording section, (a) data compression circuitry, including a plurality of compression circuits which have different compression methods, for changing a compression rate for input digital image data by changing a combination of the plurality of compression circuits compressing the digital input image data and (b) circuitry for recording (1) the digital image data compressed by the data compressing circuit and (2) data representing the compression rate of the digital image data compressed by the data compressing circuit. The apparatus may include a reproducing section having (a) a reproducing circuit for reproducing from the recording medium the digital image data compressed with the compression rate provided by the combination of different compression methods, (b) detecting circuitry for detecting the data representing the predetermined compression rate stored on the recording medium, and (c) reconstruction circuitry for reconstructing the digital image data reproduced by the reproducing circuitry according to the representing data detected by the detecting circuitry.
    • 使用多种压缩方法的数字图像记录和/或再现装置可以在记录部分中包括(a)数据压缩电路,包括具有不同压缩方法的多个压缩电路,用于改变输入数字的压缩率 通过改变压缩数字输入图像数据的多个压缩电路的组合的图像数据和(b)用于记录的电路(1)由数据压缩电路压缩的数字图像数据和(2)表示数字压缩电路的压缩率的数据 由数据压缩电路压缩的图像数据。 该装置可以包括:再现部分,具有(a)再现电路,用于从记录介质再现以不同压缩方法的组合提供的压缩率压缩的数字图像数据,(b)检测电路,用于检测表示预定 存储在记录介质上的压缩率,以及(c)重建电路,用于根据由检测电路检测到的表示数据来重建由再现电路再现的数字图像数据。