A near touch user interface for touch screen based systems : a thesis presented in partial fulfilment of the requirements for the degree of Master of Engineering in Electronics and Computer Systems Engineering at Massey University, Palmerston North, New Zealand
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Date
2012
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Massey University
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Abstract
Industry has been heavily pushing for new methods of human-computer interaction
in the last several years and this has seen many different technologies
move into the mainstream, from infrared sensors[1] and z-cameras[2] to touch
screens[3]. Because touch screens are a more mature and developed technology
they provide an ideal platform for mainstream technology development, but their
level of interactiveness is limited, and these limitations must be overcome or compensated
for with clever interface design.
In this thesis, a solution to these inherent limitations in touch screen interface
design is proposed by augmenting the touch screens interaction capabilities with
one or two cameras to enable a near touch user experience on top of the standard
touch screen. This offers
flexibility in system design (the near touch is
implemented as an extra layer, and can be activated only if present) as well as
providing an inexpensive solution. Several Image processing algorithms relevant
to this task are also discussed and their implementation evaluated.
Description
Keywords
Human-computer interaction, User interfaces, Touch screen, Touchscreen, Image processing, Computer algorithms, User interface design