초록 ▼

More specifically, the present invention relates to a data hiding method in which media data is expressed as a media array while message data is expressed as a message array so that the array elements of the message array can be dispersively hidden in the message array based on a state values specif

More specifically, the present invention relates to a data hiding method in which media data is expressed as a media array while message data is expressed as a message array so that the array elements of the message array can be dispersively hidden in the message array based on a state values specifying a particular array element of the media array, comprising the steps of:

대표청구항 ▼

[ Having thus described our invention, what we claim as new, and desire to secure by Letters Patent is:] [1.] A data hiding method in which media data is expressed as a media array while message data is expressed as a message array and in which the elements of said message array are dispersively hid

[ Having thus described our invention, what we claim as new, and desire to secure by Letters Patent is:] [1.] A data hiding method in which media data is expressed as a media array while message data is expressed as a message array and in which the elements of said message array are dispersively hidden in said media array based on a state value specifying a particular array element of said media array, comprising the steps of:(a) determining the j-th (j.gtoreq.0) state value;(b) determining (j+1)-th state value based on said j-th state value, the array element of said media array indicated by the j-th state value, and the array elements of said message array; and(c) hiding data with respect to the array element of said media array indicated by said (j+1)-th state value.