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    • 2. 发明授权
    • Coding apparatus and method, decoding apparatus and method, data processing system, storage medium, and signal
    • 编码装置和方法,解码装置和方法,数据处理系统,存储介质和信号
    • US06546139B1
    • 2003-04-08
    • US09412832
    • 1999-10-05
    • Tetsujiro KondoKenji TanakaYoshinori Watanabe
    • Tetsujiro KondoKenji TanakaYoshinori Watanabe
    • G06K936
    • H04N19/00
    • The invention relates to a coding apparatus for embedding second data into first data without deterioration of the first data, and a decoding apparatus for decoding the coded data to the original first data and the second data without deterioration. The invention provides the coding apparatus which includes a memory for storing at least partial data of the first data and embeds the second data into the first data by performing rotation of the at least partial data stored in the memory in accordance with the second data; and provides the decoding apparatus in which at least partial data of the coded data embedded with the second data is rotated and a correlation with respect to peripheral data is calculated, so that the original first data and the second data are decoded in accordance with a rotation amount determined on the basis of the correlation.
    • 本发明涉及一种用于将第二数据嵌入第一数据而不劣化第一数据的编码装置,以及用于将编码数据解码为原始第一数据和第二数据而不劣化的解码装置。 本发明提供一种编码装置,其包括存储器,用于存储第一数据的至少部分数据,并且根据第二数据执行存储在存储器中的至少部分数据的旋转,将第二数据嵌入到第一数据中; 并提供其中嵌入有第二数据的编码数据的至少部分数据旋转并且相对于外围数据的相关性被计算的解码装置,使得原始第一数据和第二数据根据旋转被解码 数量根据相关性确定。
    • 7. 发明授权
    • Coding apparatus and method, decoding apparatus and method, data processing system, storage medium, and signal
    • 编码装置和方法,解码装置和方法,数据处理系统,存储介质和信号
    • US07424130B2
    • 2008-09-09
    • US10935792
    • 2004-09-07
    • Tetsujiro KondoYoshinori WatanabeKenji Tanaka
    • Tetsujiro KondoYoshinori WatanabeKenji Tanaka
    • G06K9/00H04N1/46G06K9/36
    • G06T1/0035G06T1/0028G06T2201/0051G06T2201/0083G06T2201/0203H04N1/32144H04N1/32224H04N5/781H04N5/85H04N5/907H04N19/00H04N19/46H04N2005/91335
    • The invention relates to a coding apparatus for embedding second data into first data without deteriorating the first data and a decoding apparatus for decoding coded data into original first data and second data without deteriorating those data. The invention provides a coding apparatus which has a memory for storing at least partial data of first data, and embeds second data into the first data by rearranging, according to the second data, the at least partial data of the first data that is stored in the memory. The invention also provides a coding apparatus for decoding coded data in which second data is embedded and at least partial data of the coded data has been subjected to rearrangement by using one of a plurality of rearrangement patterns. The decoding apparatus calculates correlation between adjacent data for each rearrangement pattern, and decodes the original first data and the second data according to a rearrangement pattern that is determined based on the correlation.
    • 本发明涉及一种用于将第二数据嵌入第一数据而不使第一数据恶化的编码装置,以及用于将编码数据解码为原始第一数据和第二数据的解码装置,而不会使这些数据恶化。 本发明提供了一种编码装置,其具有用于存储第一数据的至少部分数据的存储器,并且通过根据第二数据重新排列存储在第一数据中的第一数据的至少部分数据,将第二数据嵌入到第一数据中 记忆。 本发明还提供了一种编码装置,用于对其中嵌入第二数据的编码数据进行解码,并且通过使用多个重排模式中的一种来编码数据的至少部分数据已被重新排列。 解码装置计算每个重排模式的相邻数据之间的相关性,并且根据基于相关性确定的重排模式对原始第一数据和第二数据进行解码。
    • 9. 发明授权
    • Coding apparatus and method, decoding apparatus and method, data processing system, storage medium, and signal
    • 编码装置和方法,解码装置和方法,数据处理系统,存储介质和信号
    • US06804372B1
    • 2004-10-12
    • US09413134
    • 1999-10-06
    • Tetsujiro KondoYoshinori WatanabeKenji Tanaka
    • Tetsujiro KondoYoshinori WatanabeKenji Tanaka
    • G06K900
    • G06T1/0035G06T1/0028G06T2201/0051G06T2201/0083G06T2201/0203H04N1/32144H04N1/32224H04N5/781H04N5/85H04N5/907H04N19/00H04N19/46H04N2005/91335
    • The invention relates to a coding apparatus for embedding second data into first data without deteriorating the first data and a decoding apparatus for decoding coded data into original first data and second data without deteriorating those data. The invention provides a coding apparatus which has a memory for storing at least partial data of first data, and embeds second data into the first data by rearranging, according to the second data, the at least partial data of the first data that is stored in the memory. The invention also provides a coding apparatus for decoding coded data in which second data is embedded and at least partial data of the coded data has been subjected to rearrangement by using one of a plurality of rearrangement patterns. The decoding apparatus calculates correlation between adjacent data for each rearrangement pattern, and decodes the original first data and the second data according to a rearrangement pattern that is determined based on the correlation.
    • 本发明涉及一种用于将第二数据嵌入第一数据而不使第一数据恶化的编码装置,以及用于将编码数据解码为原始第一数据和第二数据的解码装置,而不会使这些数据恶化。 本发明提供了一种编码装置,其具有用于存储第一数据的至少部分数据的存储器,并且通过根据第二数据重新排列存储在第一数据中的第一数据的至少部分数据,将第二数据嵌入到第一数据中 记忆。 本发明还提供了一种编码装置,用于对其中嵌入第二数据的编码数据进行解码,并且通过使用多个重排模式中的一种来编码数据的至少部分数据已被重新排列。 解码装置计算每个重排模式的相邻数据之间的相关性,并且根据基于相关性确定的重排模式对原始第一数据和第二数据进行解码。
    • 10. 发明授权
    • Coding apparatus and method, decoding apparatus and method, data processing system, storage medium, and signal
    • 编码装置和方法,解码装置和方法,数据处理系统,存储介质和信号
    • US06738492B1
    • 2004-05-18
    • US09413983
    • 1999-10-07
    • Tetsujiro KondoKenji TanakaYoshinori Watanabe
    • Tetsujiro KondoKenji TanakaYoshinori Watanabe
    • G06K900
    • H04N19/467
    • The invention relates to a coding apparatus for embedding second data into first data without deteriorating the first data and a decoding apparatus for decoding coded data into original first data and second data without deteriorating those data. The invention provides a coding apparatus which determines change subject data and change data based on a frequency distribution of at least partial data of the first data, and embeds second data into first data by causing a change from the change subject data to the change data according to the second data. The invention also provides a decoding apparatus which determines change subject data and change data based on a frequency distribution of at least partial data of coded data in which second data is embedded, and decodes the coded data into original first data and restores the second data that is embedded in the coded data by restoring the change subject data from the change data.
    • 本发明涉及一种用于将第二数据嵌入第一数据而不使第一数据恶化的编码装置,以及用于将编码数据解码为原始第一数据和第二数据的解码装置,而不会使这些数据恶化。 本发明提供了一种编码装置,其基于第一数据的至少部分数据的频率分布来确定改变对象数据和改变数据,并且通过根据改变对象数据改变为改变数据将第二数据嵌入到第一数据中 到第二个数据。 本发明还提供了一种解码装置,其基于嵌入了第二数据的编码数据的至少部分数据的频率分布来确定更改对象数据和改变数据,并将编码数据解码为原始第一数据,并恢复第二数据, 通过从变更数据恢复变更对象数据而嵌入编码数据。