Présentation de Shumin Zhai
IBM Almaden Research Center, San Jose, California, USA
Date : 28 octobre 99 à 14h
Lieu : CENA salle de conférence
Contact : Sylvie Athenes
Input Devices and Techniques: Multi-DOF, Multi-hand, Multi-stream,
Multi-functional, and Multi-modal
Multi-DOF input: I will discuss a few basic design dimensions in 6
degrees of freedom input devices: isometric vs isotonic resistance;
arm, wrist and finger use; and position vs rate control. I will also
present a method of quantifying co-ordination of multiple DOF and the
use of semi- transparency for effective feedback in 3D.
Multi-hand input: I will emphasize the cognitive benefit of two handed
input and describe a two handed, "virtual bulldozer" interface for
navigation in virtual worlds.
Multi-stream input: Research on dual stream scrolling and pointing.
Multi-function: from pointing to steering. Traditional input devices are
designed for pointing tasks which can be well modelled by Fitts' law.
Trajectory-based tasks, or steering, has become an increasingly common
element in input but lacked a theoretical model. I will describe how
a "Steering law" is devised and applied in the same spirit as Fitts'
law, and how the two laws are related.
Multi-modal input: It has been long believed that HCI should be
multi-modal. The difficulty lies in seamlessly integrating the multiple
modalities. Manual And Gaze Input Cascaded (MAGIC) pointing is one
such effort, which implicitly utilizes the fast and effortless eye
movement to reduce manual control effort in pointing.
In this talk I will review some of the research my colleagues and
I have done on computer input devices and interaction techniques,
including the following:
Shumin Zhai is a Research Staff Member at the IBM Almaden Research
Center where he conducts research and development of innovative
input devices, interaction techniques, performance modeling of
human computer interaction, advanced graphical user interfaces,
and eye-tracking-based next generation multi-modal interaction
techniques. In the past three years he has led the research and
development of the IBM ScrollPoint (I and II) Mouse. He received
his Ph.D. degree from the University of Toronto where he worked on
3D interfaces and 6 degrees of freedom input control. His publications
can be found at www.almaden.ibm.com