저작권 보호를 위한 워터마크 기술 = A Watermarking Technique for Copyright Protection

다국어 초록 (Multilingual Abstract)

Digital watermarking, a concept of embedding a speclal pattern, uses an algorithm of inserting a watermark to protect the copyright of media. It has recently become Important in various application areas. A variety of watermark techniques have been proposed by many authors In the last several years. However, there are not enough analysis and comparison on the previous researches.
In this paper, for the understanding of the previous works and the help for the future related research, we try to analyze and classify the conventional watermark techniques from the various points of view which are the class of inserted media category, the perceptlvity, the robustness, the inserting watermark type the processing domain, the necessity of an original media.

목차 (Table of Contents)

• 1.서론
• 2.디지털 워터마킹 개요
• 2.1 디지털 워터마킹의 삽입 및 추출
• 2.2 워터마킹을 위한 전제 조건
• 3.워터마킹 알고리즘의 분석
• 3.1 저작물의 종류에 따른 분류
• 3.2 워터마크의 인지정도에 따른 분류
• 3.3 워터마크 강인도에 따른 분류
• 3.4 삽입 영상의 종류에 따른 분류
• 3.5 워터마크 삽입 방법에 따른 분류
• 3.6 워터마크의 적용 영역에 따른 분류
• 3.7 워터마크 검출 방식에 따른 분류
• 4.결론