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ThinkMind // ACHI 2012, The Fifth International Conference on Advances in Computer-Human Interactions // View article achi_2012_5_10_20041


Head Nod and Shake Gesture Interface for a Self-portrait Camera

Authors:
Shaowei Chu
Jiro Tanaka

Keywords: head gesture; self-portrait; human computer interaction; optical-flow; motion tracking

Abstract:
Interactive interfaces and applications are a flourishing research area. In this paper, we introduce a head gesture interface for a digital camera shooting self-portrait pictures. Natural head nodding and shaking gestures can be recognized in real-time, using optical-flow motion tracking. A double head nod triggers the camera shutter to take shots. Continuous nodding or shaking triggers a zooming interface to zoom the user’s face in or out. To make the recognition robust, a safe zone analysis of the head region was conducted to quickly exclude any insignificant head motion, and thresholds of moving direction and length of head motion were selected in a preliminary set-up step. A finite state machine was used to recognize head gestures. Our results show that the proposed head gesture recognition method is a promising interface for a self-portrait camera.

Pages: 112 to 117

Copyright: Copyright (c) IARIA, 2012

Publication date: January 30, 2012

Published in: conference

ISSN: 2308-4138

ISBN: 978-1-61208-177-9

Location: Valencia, Spain

Dates: from January 30, 2012 to February 4, 2012

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