Michael N. Wallick

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Rapid advances in technology and decreasing costs have made it possible to attach high resolution video cameras to just about any computer and record the interactions in a lecture room. Additionally, lecture rooms may be outfitted with several cameras for this purpose. However, recording the interactions alone does not create effective video. In this paper(More)
There are a significant number of events that happen on a regular basis that would be worth preserving on video but for which it is impractical to use traditional video production methods. In this paper, we describe one possible way to inexpensively and unobtrusively capture and produce video in a classroom lecture environment. We discuss the importance of(More)
Well-produced videos provide a convenient and effective way to archive lectures. In this article, we offer a new way to create lecture videos that retains many of the advantages of well-composed recordings, without the cost and intrusion of a video production crew. We present an automated system called <i>Virtual Videography</i> that employs the art of(More)
We present a hybrid speaker tracking scheme based on a single pan/tilt/zoom (PTZ) camera in an automated lecture capturing system. Given that the camera's video resolution is higher than the required output resolution, we frame the output video as a sub-region of the camera's input video. This allows us to track the speaker both digitally and mechanically.(More)
The overhead and computer projectors have become an essential element to the classroom and corporate settings. Users of web−based classes and conferences would like to have access to the projector tools. The bandwidth required to transmit these projections is too large to be useful. This paper proposes a framework for processing images displayed by overhead(More)
Using a marker or chalkboard allows spontaneity during a presentation or discussion. However, this spontaneity comes at the cost of incorporating visual effects, such as those associated with a computer generated presentation, into the board based presentation. Our goal is to combine the spontaneity of board based presentations with the effects and benefits(More)
Recent advances in technology have made it possible for the average person to acquire thousands of high resolution digital photographs per year. While there are clear advantages to having the ability to amass such large collections it creates new problems when trying to organize, browse and generally interact with the photos. In this paper we introduce the(More)