【摘要】 针对数字作品在传播中的数字版权管理（D~2RM）、追踪以及安全验证和版权保护的问题，对多类数字水印体系及其关联性进行了探究，定义了多类数字水印技术规范；研究了数字版权管理技术，提出了开放式数字版权管理（ODRM）的概念，并对其在实施应用中的具体方案进行分析。分别通过文本作品和图形作品进行检测分析，证明了方案的可行性。更多还原

【Abstract】 Targeting the question of D~2RM, tracing, security validation and copyright protection for transmitting digital files, firstly, the system and relationship of multi-sorts watermark is deeply studied, and the technological principles of multisorts watermark is defined. Then, digital copyright management technology is studied, meanwhile, ODRM is put forward and its testing project during the implementing is analyzed. Finally, after detection and analysis to texts and images, the results proved the solution′s feasibility.更多还原