The Storage and Access of E-Learning Visuals

The Storage and Access of E-Learning Visuals

Shalin Hai-Jew (Kansas State University, USA)
DOI: 10.4018/978-1-60566-972-4.ch011
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Abstract

Rich image repositories and digital libraries exist for the collection, labeling, archival and delivery of digital graphics. Understanding the ingestion of such images into digital repositories will be helpful not only for those searching for resources but also for those creating digital imagery for such storage and distribution. This chapter addresses some of the latest research going on currently for the labeling of digital graphics, their storage, their protection, and their distribution to users.
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Chapter Objectives

  • Introduce image repositories and digital libraries as storehouses for digital imagery

  • Introduce use cases for image repositories and digital libraries

  • Explore the digital preservation, born-digital, and other origination paths for digital imagery, and their ingestion into digital repositories

  • Show what elements are necessary for the metadata labeling of digital imagery for e-learning

  • Promote more efficient access to and searching of digital image repositories

  • Explore the efficient download and delivery of imagery from secure repositories

  • Discuss security issues related to image repositories and digital libraries

  • Probe the socio-technical and collaborative aspects of image repositories and digital libraries

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Image Repositories And Digital Libraries

A digital image repository is a storehouse for various types of contents, without curatorial oversight. A digital image library consists of collections of materials based around topic areas and usually curated by an expert in the respective field. All variety of digital imagery may be archived: maps, photos, geospatial resources, 3D objects, aerial images, satellite images, and remotely sensed image captures. The imagery may be photo-realistic or wholly synthetic.

Repositories and digital libraries may be high-prestige and formal, controlled by designated subject matter experts in a field. They may be wholly public and open to any user. In between are those repositories that may capture less formal imagistic information but which still has value through projects or dissertations (Tschimer & Zipf, 2005) or community contributions (Kennedy & Naaman, 2008).

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