CONTENT PROCESSOR, CONTENT PROCESSING METHOD, AND CONTENT PROCESSING PROGRAM

摘要

[PROBLEMS] To provide a content processing technique which enables to prevent a reading person from easily guessing the fact of hiding and hidden information, and to obtain a content having natural information close to information of its original content before hiding. [MEANS FOR SOLVING PROBLEMS] A content processor includes a search means (13) which searches contents having information similar to a part excluding a part to be hidden in the original content, an arithmetic means (14) which calculates non-similarity which shows the degree of non-similarity of each content obtained by the search means (13) to the part to be hidden of the content, and a selection means (15) which selects the content which is the least similar to the part to be hidden out of the contents searched by the search means (13).