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Search Publications by: Xiao Tang (Assoc)

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Displaying 101 - 106 of 106

High-Speed Quantum Communication Testbed

December 1, 2002
Author(s)
Carl J. Williams, Xiao Tang, M Hiekkero, J Rouzard, R Lu, A Goedecke, Alan L. Migdall, Alan Mink, Anastase Nakassis, Leticia S. Pibida
We describe the current status of the NIST Quantum Communication Testbed (QCT) facility. QCT is a facility for exploring quantum communication in an enviornment similar to that projected for early commercial implementations: quantum cryptographic key

Document Reverse Engineering: From Paper to XML

August 1, 2002
Author(s)
K H. Lee, Y C. Choy, S B. Cho, Xiao Tang, V R. McCrary
With the widespread of XML documents on the Web, there is a growing interest in transforming paper-based documents into XML representations. In this paper, we present a syntactic method for logical structure analysis of documents with multiple pages and

Reflectance Calibration Standard for Optical Discs

January 1, 2002
Author(s)
Xiao Tang, Jian Zheng
An accurate method for the determination of reflectance of reference discs has been developed at NIST. The discs can be used as a traceable industry standard in the calibration of optical disc testing equipment.

The State of the Art and Practice in Digital Preservation

January 1, 2002
Author(s)
K H. Lee, Oliver T. Slattery, R Lu, Xiao Tang, V R. McCrary
The goal of digital preservation is to ensure long-term access to digitally stored information. In this paper, we try to present a comprehensive survey of techniques used in digital preservation. We also introduce representative digital preservation

An Auto-Focusing Method in Microscopic Testbed for Optical Discs

July 1, 2000
Author(s)
Xiao Tang, P L'Hostis, Y Xiao
An auto-focusing method is described and practically applied to an optical disc test-bed. In this application, an optical microscope was used to create clear pit images of optical discs. A CCD camera generated the graphic signals for the images. A standard

Microscopic Image Analysis of Defect Areas in Optical Disks

July 1, 1999
Author(s)
P L'Hostis, Frederick R. Byers, Fernando L. Podio, Xiao Tang
This paper presents techniques developed in the Information Technology Laboratory of the US National Institute of Standards and Technology (NIST/ITL) for enabling microscopic image analysis of optical data storage media such as optical discs. These non