公开(公告)号：WO2006041145A1

公开(公告)日：2006-04-20

申请号：PCT/JP2005/018912

申请日：2005-10-07

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. ,  NORIDOMI, Kenichi ,  INOUE, Hisashi ,  EJIMA, Masataka

Inventor： NORIDOMI, Kenichi ,  INOUE, Hisashi ,  EJIMA, Masataka

IPC: H04N1/32

CPC classification number: H04N1/32203 ,  H04N1/32208 ,  H04N1/32245 ,  H04N1/32251 ,  H04N1/32288 ,  H04N1/3232 ,  H04N1/32341

Abstract: An information-detecting apparatus (1) including a receiving unit (3) operable to receive digital data (2) that includes several pieces of element data, in which a change amount is imparted to a value of each of first and second element data among the several pieces of element data, a first selecting unit (4) operable to select, as target data (6), a data set that includes the first and second element data, a second selecting unit (5) operable to select, as neighboring data (7), element data in proximity to each of the first and second element data, a calculating unit (8) operable to calculate, based on both of the target data (6) and the neighboring data (7), the change amount imparted to each of the first and second element data, and a detecting unit (10) operable to detect the additional information in accordance with the change amount.

Abstract translation: 一种信息检测装置（1），包括：接收单元（3），用于接收数字数据（2），数字数据（2）包括数个元素数据，其中向第一和第二元素数据中的每一个的值赋予变化量 多个元件数据，第一选择单元（4），其可操作以选择作为目标数据（6）的包含第一和第二元素数据的数据集;第二选择单元（5），可操作以选择相邻 数据（7），靠近第一和第二元素数据中的每一个的元素数据;可操作以基于目标数据（6）和相邻数据（7）两者来计算改变量的计算单元（8） 赋予第一和第二元件数据中的每一个;以及检测单元（10），用于根据变化量检测附加信息。