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    • 65. 发明授权
    • Variable-length compression technique for encoding or decoding a sequence of integers
    • 用于编码或解码整数序列的可变长度压缩技术
    • US07652596B1
    • 2010-01-26
    • US12346672
    • 2008-12-30
    • Arun SharmaDean Gaudet
    • Arun SharmaDean Gaudet
    • H03M7/40
    • H03M7/40
    • The described embodiments provide a system that encodes a sequence of integers using a variable-length compression technique. During operation, the system scans the sequence of integers and observes the sizes of the integers to determine a threshold value, K, from the observed sizes. For a given integer of length N bits, if N−K is greater than zero, the system generates a tag for the encoded integer comprising a sequence of N−K zeros followed by a one, and generates a set of remaining bits for the encoded integer as a sequence of the N−1 least-significant bits which make up the integer. Otherwise, the system generates a tag for the encoded integer as a single one, and generates a set of remaining bits for the encoded integer by padding the N bits which make up the integer with zeros so that the set of remaining bits is K bits in length.
    • 所描述的实施例提供了使用可变长度压缩技术对整数序列进行编码的系统。 在操作期间,系统扫描整数序列,并观察整数的大小,以根据观察到的尺寸确定阈值K。 对于长度为N位的给定整数,如果NK大于零,则系统生成包含一个NK零序列的经编码整数的标签,后跟一个,并且将编码整数的剩余位生成一个序列 的N-1个最低有效位组成整数。 否则,系统将编码整数的标签生成为一个整数,并通过用零填充构成整数的N个比特来生成编码整数的一组剩余比特,以便剩下的比特数的集合是K比特 长度。
    • 66. 发明授权
    • Variable-length compression technique for encoding or decoding a sequence of integers
    • 用于编码或解码整数序列的可变长度压缩技术
    • US07609000B1
    • 2009-10-27
    • US12042981
    • 2008-03-05
    • Arun Sharma
    • Arun Sharma
    • H03M7/40
    • H03M7/40
    • A system that encodes a sequence of integers using a variable-length compression technique is described. During operation, the system scans the sequence of integers and observes the sizes of the integers to determine a threshold value K from the observed sizes. For a given integer which is N bits in length, if N−K is greater than or equal to zero, the system generates a tag for the encoded integer which comprises a sequence of N−K zeros followed by a one, and generates a set of remaining bits for the encoded integer as a sequence of the N bits which make up the integer. Otherwise, if N−K is less than zero, the system generates a tag for the encoded integer as a single one, and generates a set of remaining bits for the encoded integer by padding the N bits which make up the integer with zeros so that the set of remaining bits is K bits in length.
    • 描述了使用可变长度压缩技术对整数序列进行编码的系统。 在操作期间,系统扫描整数序列并观察整数的大小,以根据观察到的尺寸确定阈值K. 对于长度为N位的给定整数,如果NK大于或等于零,则系统生成编码整数的标签,其包括一个NK零序列,后跟一个序列,并产生一组剩余的位,用于 编码整数作为构成整数的N位的序列。 否则,如果NK小于0,则系统生成一个编码整数的标签作为单个标签,并通过用零填充N位来生成编码整数的一组剩余位,以使集合 剩余位的长度为K位。