特集 「デジタルデータ技術の最近の動向」
デジタルデータの著作権保護技術
2000 年 37 巻 5 号 p. 218-224
詳細
2000 年 37 巻 5 号 p. 218-224
As the electronic networks grow, the environment in that we can enjoy digital contents, such as texts, images and even movies, has been developed. Digital data is easy to copy/edit without loss of quality essentially. Because of this character, the importance of copyright protection has been raised and discussed. The demand of a new framework for protecting copyright on networks is rapidly growing. In this paper, firstly, we review recent trends of copyright protection standards and technologies. Then, we describe digital watermark technique and capsule technique in detail.
