基于DCT的多媒体课件版权通知与保护

2007 First IEEE International Symposium on Information Technologies and Applications in Education Pub Date : 2007-12-26 DOI:10.1109/ISITAE.2007.4409322

Ruo-hong Huang, Huai-lan Liu, Yongqiang Chen

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引用次数: 1

摘要

根据课件屏幕流的特点，提出了一种基于DCT的屏幕流彩色图像的数字水印解决方案。将可见水印和不可见水印分别嵌入到屏幕彩色图像的不同区域，实现双数字水印嵌入的屏幕彩色图像。通过测试系统验证了该方法在多媒体课件版权通知与保护中的有效性和良好效果。

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Multimedia Courseware Copyright Notification and Protection Based on DCT

According to the characteristic of courseware screen stream, this paper proposes a novel digital watermark solution for the color image of screen stream based on DCT. It embeds visible and invisible watermarks into different area of screen color image to achieve screen color image with dual digital watermark embedded. The effectiveness and good results of this method in multimedia courseware copyright notification and protection have been testified by a test system.

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来源期刊

2007 First IEEE International Symposium on Information Technologies and Applications in Education

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