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    • 9. 发明授权
    • Coding apparatus
    • 编码装置
    • US06266447B1
    • 2001-07-24
    • US08420633
    • 1995-04-12
    • Nobuhiro HoshiShingo Ikeda
    • Nobuhiro HoshiShingo Ikeda
    • G06K936
    • H04N19/107H04N19/61
    • A coding apparatus includes a large block forming unit for forming a large block of sample values of an input signal, a small block forming unit for dividing the large block into a plurality of small blocks, a first coding unit for coding the small blocks of the input signal by using a difference signal obtained by subtracting a predicted value from the small blocks of the input signal, a second coding unit for coding the small blocks of the input signal without using the difference signal, and a selecting unit for selecting the first or second coding unit in units of large blocks.
    • 编码装置包括:大块形成单元,用于形成输入信号的大样本值块;小块形成单元,用于将大块划分成多个小块;第一编码单元,用于对 通过使用通过从输入信号的小块中减去预测值而获得的差分信号的输入信号;第二编码单元,用于对不输入信号的输入信号的小块进行编码;以及选择单元,用于选择第一或 第二编码单元以大块为单位。
    • 10. 发明授权
    • Error detection code processing device
    • 错误检测码处理装置
    • US5715258A
    • 1998-02-03
    • US37664
    • 1993-03-24
    • Shingo IkedaMotokazu Kashida
    • Shingo IkedaMotokazu Kashida
    • H03M13/00H03M13/09G06F11/00
    • H03M13/091
    • An error detection code decoding device in which information codes obtained through a transmission path and original check codes which correspond to the information codes and which are obtained through the transmission path are input. A processor receives the input information codes and forms restored check codes by using the information codes, the processor including lookup tables for inputting the information codes as addresses and reading out data regarding the restored check codes. A detector detects whether or not the restored check codes and the original check codes coincide and outputs an error detection signal indicative of the presence or absence of an error.
    • 一种错误检测码解码装置,其中输入通过传输路径获得的信息码和对应于信息码并且通过传输路径获得的原始检查码。 处理器通过使用信息代码接收输入信息代码并形成恢复的检验码,处理器包括用于输入信息代码作为地址的查找表,并读出关于恢复的检验码的数据。 检测器检测恢复的检查码和原始检查码是否一致,并输出指示有无错误的错误检测信号。