A sequence-action recognition applying state machine for user interface

The user interface in accelerometer-enable mobile devices requires more advanced action recognition technology than that of the traditional input method due to its awkward handling (e.g., limited computational capability, miniaturized input/output controls, and so on). Many types of input technology...

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Bibliographic Details
Published in:IEEE transactions on consumer electronics 2008-05, Vol.54 (2), p.719-726
Main Authors: Baek, Jonghun, Yun, Byoung-Ju
Format: Article
Language:English
Subjects:
Accelerometers
Algorithm design and analysis
Algorithms
Computer interfaces
Context-aware services
Fishing
Games
Keyboards
Mice
Mobile communication systems
Mobile computing
Recognition
Signal processing algorithms
State machines
Testing
User interfaces
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Summary:The user interface in accelerometer-enable mobile devices requires more advanced action recognition technology than that of the traditional input method due to its awkward handling (e.g., limited computational capability, miniaturized input/output controls, and so on). Many types of input technology and interaction styles are being tested for gesture recognition. We introduce a method based on state machines that constructs high-level interaction events from lower-level ones. This is a novel user interface that recognizes a user's sequence-action by using the two-axis accelerometer in order to supplement the lacking user interface of mobile devices. To recognize a user's actions (user's gesture and posture) in the order of precedence, we used a state machine algorithm. We designed mobile games such as fishing and bowling to be played on mobile phones by using this algorithm. We will prove that this state machine is appropriate for sequence-action recognition.
ISSN:0098-3063
1558-4127
DOI:10.1109/TCE.2008.4560153