数字水印的主要研究目的是版权保护。
The main research aim of digital watermark is copyright protection.
文本信息隐藏技术可应用于数字媒体版权和完整性保护。
Text information hiding technology is applied in protection of copyright and integrity of digital media.
数字水印为数字媒体版权保护的有效方法。
Digital watermarking is an effective method of copyright protection.
数字水印为数字媒体版权保护的有效方法。
Digital watermarking is an effective method of copyright protection.
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