摘要： 数字水印是一种新兴的多媒体数据版权保护技术。水印信息容量对数字水印的实际应用具有重要的意义。该文提出了一种新的方法以提高嵌入到数字图像中的水印信息的容量，此方法对基于扩频水印嵌入策略的数字水印系统的水印信息容量有明显的提高。

关键词: 数字水印, 版权保护, 水印容量

Abstract: Digital watermark is a new technology for copyright protection of multimedia data. A novel method for improving the capacity of digital watermark embedded in the digital image is proposed in this paper. The watermark information capacity of the watermark system based on spread spectrum watermarking can be improved greatly by this method.

中图分类号: 

• TP309