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1. |
Record Nr. |
UNINA9910554238403321 |
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Autore |
Christie-Miller Ian |
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Titolo |
Revealing Watermarks : How to Enhance the Security of Hand-Made Paper Items and Reveal Hidden Data |
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Pubbl/distr/stampa |
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Boston, MA : , : Academic Studies Press, , 2021 |
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©2021 |
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ISBN |
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1-64469-626-6 |
1-64469-625-8 |
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Descrizione fisica |
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1 online resource (90 pages) |
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Classificazione |
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Disciplina |
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Soggetti |
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Handmade paper - Europe - History - 16th century |
Image processing - Digital techniques |
Paper - Analysis - Data processing |
Watermarks - Europe - Identification |
Technology & Engineering / Imaging Systems |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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Frontmatter -- Contents -- Acknowledgements -- Introduction -- First Part -- Second Part -- Third Part -- Fourth Part -- Fifth Part -- Downloads -- Bibliography -- Index |
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Sommario/riassunto |
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Digital imaging andprocessing are shown to open new methods of paper research. Early Balticprinted books are the examples in Revealing Watermarks, which alsodescribes how to enhance security, by creating and archiving a digital'fingerprint'. Thus thefts are deterred and stolen items can be uniquelyidentified for return. |
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2. |
Record Nr. |
UNINA9910696935703321 |
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Autore |
Salem J. A (Jonathan A.), <1960-> |
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Titolo |
Failure analysis of sapphire refractive secondary concentrators / / Jonathan A. Salem, George D. Quinn |
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Pubbl/distr/stampa |
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Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , [2009] |
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Descrizione fisica |
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1 online resource (38 pages) : illustrations |
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Collana |
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Altri autori (Persone) |
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Soggetti |
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Sapphire |
Thermal stresses |
Failure analysis |
Twinning |
Fractures (materials) |
Concentrators |
Tensile stress |
Temperature gradients |
Fractography |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed on July 29, 2010). |
"December 2009." |
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Nota di bibliografia |
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Includes bibliographical references (pages 32-33). |
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