منابع مشابه
Integrating TELLTALE as the CARROT2 IR Engine
CARROT2 is a distributed information retrieval system. The backbone IR engine in CARROT2 is currently a piece of legacy software called Managing Gigabytes. It is the goal of this project to implement a different IR engine as CARROT2’s backbone -a piece of legacy software called TELLTALE. In this paper, we discuss some other legacy integrations, some of the concepts and ideas critical to legacy ...
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Methods and tools for nding documents relevant to a user's needs in document corpora can be found in the information retrieval, library science, and hypertext communities. Typically, these systems provide retrieval capabilities for fairly static corpora, their algorithms are dependent on the language for which they are written, e.g. English, and they don't perform well when presented with missp...
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Telltale watermarks allow to infer how a watermarked signal has been altered on the channel by analyzing the distortion applied to the watermark. We propose a new kind of telltale watermark for digital images that tracks the number of JPEG (re-)compressions. Our watermarks leverage peculiarities in the convergence behavior of JPEG images. We show that it is possible to generate or find combinat...
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P rofessionalism has an elusive nature. If someone were to ask for a definition, a good bet is that (1) defining behaviors that are not professional rather than behaviors that are professional and (2) thinking of people who exhibit professionalism rather than the characteristics of professionalism would be easier. Why is it hard to define the qualities of such a desirable behavior, and why is i...
متن کاملTowards a Telltale Watermarking Technique for Tamper-Proofing
In this paper we present a novel fragile watermarking scheme for the tamper-proo ng of multimedia signals. Unlike previously proposed techniques, the novel approach provides spatial and frequency domain information on how the signal is modi ed. We call such a technique a telltale tamper-proo ng method. Our design embeds a fragile watermark in the discrete wavelet domain of the signal by quantiz...
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ژورنال
عنوان ژورنال: PMLA/Publications of the Modern Language Association of America
سال: 1976
ISSN: 0030-8129,1938-1530
DOI: 10.1632/s0030812900193733