Martin S. Dulberg

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A common task in graphical user interfaces is selecting or activating a single control from a small group of plausible candidates. This task ordinarily requires the same precise movements as any other; if we could reduce the precision needed, however, we might also reduce the target acquisition and activation time. This paper describes the flick gesture,(More)
This paper describes an ibot, a specialized software agent that exists in the environment of the user interface. Such an agent interacts with applications through the same medium as a human user. Its sensors process screen contents and mouse/keyboard events to monitor the user's actions and the responses of the environment, while its effecters can generate(More)
One of the major technical challenges in calculating solar irradiance on the human form has been the complexity of the surface geometry (i.e. the surface-normal vis-a-vis the incident radiation). Over 80% of skin cancers occur on the face, head, neck and back of the hands. The quantification, as well as the mapping of the anatomical distribution of solar(More)
Modern user interfaces make extensive use of navigation, a metaphor based on wayynding in a physical space. Navigation can be an eeective solution for many problems in understanding and manipulating a complex information space. Unfortunately, current research toward domain-independent, intelligent assistance for navigation lacks some important conceptual(More)