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Digital Watermarking for Digital MediaDigital media, like audio, video, images, and other multimedia documents, can be protected against copyright infringements with invisible, integrated patterns. Such methods are based on steganography and digital watermarking techniques. Most watermarks are inserted as a plain-bit or adjusted digital signal using a key-based embedding algorithm. The... | | Advances in Web-based Education: Personalized Learning EnvironmentsAdvances in technology are increasingly impacting the way in which curriculum is delivered and assessed. The emergence of the Internet has offered learners a new instructional delivery system that connects them with educational resources. Advances in Web-Based Education: Personalized Learning Environments covers a wide range of factors that... | | The Distance Education Evolution: Issues and Case StudiesThe Distance Education Evolution: Case Studies addresses issues regarding the development and design of online courses, and the implementation and evaluation of an online learning program. Several chapters include design strategies for online courses that range from the specific to the universal. Many authors address pedagogical issues from both a... |
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Encyclopedia of Internet Technologies and ApplicationsBefore the invention of the World Wide Web, computer communications were mainly associated with the data transmission and reception among computers. The invention of the Web by Tim Berners-Lee in 1989, led to a deep change of this paradigm, imposing the share of information over the data transmission. After the invention of the Web, Internet refers... | | | | Multimedia Systems and Content-Based Image RetrievalMultimedia systems and content-based image retrieval are very important areas of research in computer technology. Numerous research works are being done in these fields at present. These two areas are changing our life-styles because they together cover creation, maintenance, accessing and retrieval of video, audio, image, textual and graphic... |
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