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Dartmouth Digital Library Collections

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  • All fields: Weihong
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    • Secure collaboration in an open environment.

    • Secure collaboration in an open environment.
    • Internet -- Security measures. Public key infrastructure (Computer security). Digital signatures. Peer-to-peer architecture (Computer networks) -- Security measures.
    • The Internet has become a virtual place where people not only operate in isolation but also interact with other Internet users. Collaborative systems are becoming more popular. Applications now being introduced could provide better remote education...
    • Lighting and optical tools for image forensics.

    • Lighting and optical tools for image forensics.
    • Image analysis. Image processing -- Digital techniques. Photography -- Retouching. Photographs -- Forgeries. Lighting. Optics. Forensic sciences.
    • We present new forensic tools that are capable of detecting traces of tampering in digital images without the use of watermarks or specialized hardware. These tools operate under the assumption that images contain natural properties from a variety...
    • Group-aware stream filtering.

    • Group-aware stream filtering.
    • Streaming technology (Telecommunications). Computer networks -- Monitoring. Multicasting (Computer networks). Electronic data processing -- Distributed processing.
    • Recent years have witnessed a new class of monitoring applications that need to continuously collect information from remote data sources. Those data sources, such as web click-streams, stock quotes, and sensor data, are often characterized as...
    • Natural image statistics for digital image forensics.

    • Natural image statistics for digital image forensics.
    • Image processing -- Statistical methods. Image processing -- Digital techniques. Images
    • We describe a set of natural image statistics that are built upon two multi-scale image decompositions, the quadrature mirror filter pyramid decomposition and the local angular harmonic decomposition. These image statistics consist of first- and...
    • Digital video forensics.

    • Digital video forensics.
    • Digital video -- Analysis. Forensic sciences. Image processing -- Digital techniques.
    • We present new forensic tools that are capable of detecting traces of tampering in digital video without the use of watermarks or specialized hardware. These tools operate under the assumption that video contain naturally occurring properties which...
    • Collaborative automated trust negotiation.

    • Collaborative automated trust negotiation.
    • Computer networks -- Security measures. Computers -- Access control.
    • Automated trust negotiation is a new approach to access control and authentication for the open systems such as the Internet, where sensitive interactions sometimes occur among entities with no prior knowledge of each other. Trust negotiation...

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