{"title":"基于DCT的多媒体课件版权通知与保护","authors":"Ruo-hong Huang, Huai-lan Liu, Yongqiang Chen","doi":"10.1109/ISITAE.2007.4409322","DOIUrl":null,"url":null,"abstract":"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.","PeriodicalId":332503,"journal":{"name":"2007 First IEEE International Symposium on Information Technologies and Applications in Education","volume":"45 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Multimedia Courseware Copyright Notification and Protection Based on DCT\",\"authors\":\"Ruo-hong Huang, Huai-lan Liu, Yongqiang Chen\",\"doi\":\"10.1109/ISITAE.2007.4409322\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"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.\",\"PeriodicalId\":332503,\"journal\":{\"name\":\"2007 First IEEE International Symposium on Information Technologies and Applications in Education\",\"volume\":\"45 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-12-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 First IEEE International Symposium on Information Technologies and Applications in Education\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISITAE.2007.4409322\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 First IEEE International Symposium on Information Technologies and Applications in Education","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISITAE.2007.4409322","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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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