Tri - Axis Motion Detection using Mems for Mouse Navigation System (Human Mouse)
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2015-12-22T06:33:43Z
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Abstract
Easy Input is a head-controlled keyboard and mouse input device for
paralyzed users. This study describes the motivation and the design
considerations of an economical head- operated computer mouse. In
addition it focuses on the invention of a head-operated computer mouse
that employs tilt sensors placed in the headset to determine head position
and to function as simple head operated computer mouse. One tilt sensor
detects the lateral head motion to drive the left or right displacement of the
mouse.
The system uses accelerometers to detect the user's head tilt in
order to direct mouse movement on the monitor. The clicking of the mouse
is activated by the user's eye blinking through a sensor. The keyboard function
is implemented by allowing the user to scroll through letters with head tilt and
with eye blinking as the selection mechanism.
We constructed an interface system that would allow a sin-Wady
paralyzed user to interact with a computer with almost full functional
capability. That is, the system operates as a mouse initially, but the user has
the ability to toggle in and out of a keyboard mode allowing the entry of text.
This is achieved by using the control from a single eye, tracking the position of
the pupil for direction, and using blinking as an input. As detection of eye
motion proved too challenging, we built an accelerometer based tilt detector to
determine head motion, so that, although not as applicable in this particular
case, it might be used by a quadriplegic individual.
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Tri - Axis Motion Detection using Mems for Mouse Navigation System (Human Mouse), Bharath V, Rahul S, Vijay Kumar S N