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Search Publications by: Xiao Tang (Assoc)

Displaying 101 - 103 of 103

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