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Fifth Annual Tcl/Tk Workshop, 1997

A Tcl/Tk-Based Video Annotation Engine

M. Carrer, L. Ligresti, and T.D.C. Little
Multimedia Communications Laboratory
Department of Electrical and Computer Engineering
Boston University


The population of a video database requires tools for manipulation and annotation of raw video data. Characteristic of this requirement is the need to satisfy many disparate video-based application domains. In this extended abstract we describe the design and development of a video annotation engine called Vane, intended to address the issue of domain-independent video annotation. Rather than relying on a single, general data model and application interface, we developed a dynamic interface and data model using the Tcl/Tk environment and SGML document type definitions (DTDs). This approach allowed us to implement an intuitive graphical user interface application that is easily portable to different systems. The outcome of our work is a multipurpose, domain-independent video annotation application that has been developed taking advantage of Tcl/Tk features for easy construction and reconfiguring of GUI widgets at execution time. Thereby offering a novel application model appropriate for the domain.
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