Reports some of the progress made over the years toward exploring information beyond the text domain. Describes the Multimedia Analysis and Retrieval Systems (MARS), developed to increase access to non-textual information. Addresses the following aspects of MARS: (1) visual feature extraction; (2) retrieval models; (3) query reformulation…

With the development of the Internet technology and proliferation of the network application, visual materials have been digitized and archived on many publicly accessible computer servers. However, these visual resources can be beneficial to educators only when they know what they are, what they look like, in what format they are created, and how…

The CHARGE computer terminal can provide graphics display for many applications in color, gray-level, 3-D, perspectives, and rapid updating. Perspective views can be generated from a three-dimensional coordinate system which changes to match actual physical descriptions. Image encoding and hardware design are described from a theoretical and…

Offers tips and techniques for authoring computer-based training and courseware products. Describes basic design concepts and points that pertain to individual components. Focuses specifically on the visual elements associated with the use of video, text, graphics, animation and interactivity in multimedia courseware. (AEF)

Online geographic information system (GIS) services are expanding rapidly as private organizations, government agencies, and libraries are developing Web sites that deliver GIS data, graphics, and metadata. Such services are divided into five categories: graphic snapshots, spatial database catalogs and libraries, map generators, map browsers, and…

This paper describes a methodology for approaching the problem of migrating a course from the classroom to the World Wide Web. It proposes that there are four main learning modes in the classroom--traditional oral and visual (passive) presentation, student involvement in demonstration of the theory, student led practical exercises, and reference…

Recent technological advances in computing and digital imaging technology have had immediate and permanent consequences for visual resource collections. Libraries are involved in organizing and managing large visual resource collections. The central challenges in working with digital image collections mirror those that libraries have sought to…