基于数字水印技术的商标真伪检测器

Altera2006年NiosII嵌入式处理器设计大赛NiosIIProcessor-BasedRemotePortableMultifunctionLogicAnalyzerSecondPrizeDigitalWatermark-BasedTrademarkCheckerInstitution:InstituteofInformationScience,BeijingJiaoTongUniversityParticipants:Sheng-KaiSong,Wei-MingLi,andLiSongInstructor:Xiao-MingDingDesignIntroductionAdigitalwatermarkaddsundetectableidentificationinformationtoadigitalproductthatcanbeverifiedwithcertainalgorithms.Usingwatermarkingtopreventcounterfeitprintingisofgreatsignificanceforsocialdevelopment.Digitalwatermark-basedanti-counterfeittechnologyisdifferentfromtraditionalanti-counterfeittechniquesandhasitsownfeatures:itisimperceptible,unambiguous,robust,secure,advanced,a