| 摘要 |
PURPOSE:To surely discriminate a specific original more by deciding the presence of a specific original hardly distinguished from a general original while adding plural criteria. CONSTITUTION:A CCD 102 is used to read an original image and a decision circuit 309 decides the presence of n-kinds (n: positive number) of specific originals registered in advance based on a characteristic of a read signal. In this case, m-kinds of decision results (m>n) are generated according to m-kinds of criteria and the presence of at least one kind of specific original among n-kinds of specific originals is decided based on plural criteria in m-kinds of criteria. |
