With the arrival of global informatization, information technology has been widely and deeply applied in every walk of life. Meanwhile the problem of how to protect digital multimedia has become more and more important. Digital audio watermarking as a powerful technology of copyright protection of audio becomes a hot issue.However human auditory system (HAS) is
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The improvements of network infrastructure and advances in video coding technology breeds a series of video applications including video telephony, VOD, high definition TV broadcasting, et al. In 2007, in order to make compressed video stream better adapt to various network environments and user terminals, a video coding standard SVC (Scalable Video Coding) was developed
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The improvements of network infrastructure and advances in video coding technology breeds a series of video applications including video telephony, VOD, high definition TV broadcasting, et al. In 2007, in order to make compressed video stream better adapt to various network environments and user terminals, a video coding standard SVC (Scalable Video Coding) was developed
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With the rapid development of modern computer and Internet technology, it is more easier to access, duplicate and spread the digital multimedia works, which makes the copyright of digital works damaged seriously and heavily damages the benefits of the owner. Multimedia intellectual property protection becomes an urgent problem to be solved. As a new and
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In recent years, with rapid development of multimedia technology and the Internet, people can easily spread, copy, store and process images, audio, video and text or other multimedia information, but how to solve the copyright issue has been the key problem of multimedia applications. Digital watermarking technology is to embed the secret information into digital
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With the widespread use of Internet and other communication technologies in recent years, the network delivery of novels, journals and documents in digital way is more and more popular. So how to effectively realization of the electronic document copyright protection and prevent the diffusion of the unauthorized document’s contents has become one of the key
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Publications is about the bonding of information and carriers. Sharing of information determined it canbe produced in a low cost. In today’s information growing time, it’s getting more simple of copyinginformation, and the copyright getting more important. But for many reasons, digital copyright is sitting ina low level, many threats to digital copyrights happens a
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Image fingerprinting is a kind of copyright protection technology and it has been used in the digital image works. As a newly emerging technology, image fingerprinting has been paid more and more attention. At present, the proposing of a safe and efficient fingerprinting algorithm has become the research focus. The main work of this thesis
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The protection of copyright in Song Dynasty contains two aspects, namely: the officialprotection and the civilian protection. The official protection is worked about theephemerides statute books imperial books compendium of government and social institutionschronicles and the records about the royal daily lives. The ways employed by the governmentcontains destroying flogging with sticks banishing being imprisoned
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With the rapid development of computer technology and the Internet, engineeringdrawing realizes digitalization. Most of the engineering drawings are two-dimensionalgraphics drawn with the computer graphics software, when being exchanged andtransmitted frequently through the network, it is inevitably for them to be illegallyspread, interpolated, and forged, etc.. Making use of digital watermarking technologiesis an effective means
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