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Seungju Han

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Publications by Seungju Han (bibliography)

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2012
 
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Han, Seungju, Kim, Jung-Bae and Kim, James D. K. (2012): Follow-me!: conducting a virtual concert. In: Adjunct Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 65-66.

In this paper, we present a real-time continuous gesture recognition system for conducting a virtual concert. Our systems allow the user control over beat, by conducting four different beat-pattern gestures; tempo, by making faster or slower gestures; volume, by making larger or smaller gestures; and instrument emphasis, by directing the gestures towards specific areas of the orchestra on a large display. A recognition accuracy of up to 95% could be achieved for the conducting gestures (beat, tempo, and volume).

© All rights reserved Han et al. and/or ACM Press

2010
 
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Han, Seungju, Lee, Hyunjeong, Park, Joonah, Chang, Wook and Kim, Changyeong (2010): Remote interaction for 3D manipulation. In: Proceedings of ACM CHI 2010 Conference on Human Factors in Computing Systems 2010. pp. 4225-4230.

In this paper, we present a two-handed 3D interaction approach for immersive virtual reality applications on a large vertical display. The proposed interaction scheme is based on hybrid motion sensing technology that tracks the 3D position and orientation of multiple handheld devices. More specifically, the devices have embedded ultrasonic and inertial sensors to accurately identify their position and attitude in the air. The interaction architecture is designed for pointing and object manipulation tasks. Since the sensor system guarantees 3D spatial information only, we develop an algorithm to exactly track the position of interest produced by the pointing task. For the object manipulation, we have carefully assigned one-handed and two-handed interaction schemes for each task. One-handed interaction includes selection and translation while rotation and scaling are assigned for the two-handed interaction. By combining one-handed and two-handed interactions, we believe that the presented system provide users with more intuitive and natural interaction for 3D object manipulation. The feasibility and validity of the proposed method are validated through user tests.

© All rights reserved Han et al. and/or their publisher

 
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