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Anusha Withana

 

Publications by Anusha Withana (bibliography)

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2011
 
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Sugiura, Yuta, Kakehi, Gota, Withana, Anusha, Lee, Calista, Sakamoto, Daisuke, Sugimoto, Maki, Inami, Masahiko and Igarashi, Takeo (2011): Detecting shape deformation of soft objects using directional photoreflectivity measurement. In: Proceedings of the 2011 ACM Symposium on User Interface Software and Technology 2011. pp. 509-516. Available online

We present the FuwaFuwa sensor module, a round, hand-size, wireless device for measuring the shape deformations of soft objects such as cushions and plush toys. It can be embedded in typical soft objects in the household without complex installation procedures and without spoiling the softness of the object because it requires no physical connection. Six LEDs in the module emit IR light in six orthogonal directions, and six corresponding photosensors measure the reflected light energy. One can easily convert almost any soft object into a touch-input device that can detect both touch position and surface displacement by embedding multiple FuwaFuwa sensor modules in the object. A variety of example applications illustrate the utility of the FuwaFuwa sensor module. An evaluation of the proposed deformation measurement technique confirms its effectiveness.

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

2010
 
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Sugiura, Yuta, Sakamoto, Diasuke, Withana, Anusha, Inami, Masahiko and Igarashi, Takeo (2010): Cooking with robots: designing a household system working in open environments. In: Proceedings of ACM CHI 2010 Conference on Human Factors in Computing Systems 2010. pp. 2427-2430. Available online

We propose a cooking system that operates in an open environment. The system cooks a meal by pouring various ingredients into a boiling pot on an induction heating cooker and adjusts the heating strength according to the user's instructions. We then describe how the system incorporates robotic- and human-specific elements in a shared workspace so as to achieve a cooperative rudimentary cooking capability. First, we use small mobile robots instead of built-in arms to save space, improve flexibility and increase safety. Second, we use detachable visual markers to allow the user to easily configure the real-world environment. Third, we provide a graphical user interface to display detailed cooking instructions to the user. We hope insights obtained in this experiment will be useful for the design of other household systems in the future.

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

 
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Withana, Anusha, Kondo, Makoto, Kakehi, Gota, Makino, Yasutoshi, Sugimoto, Maki and Inami, Masahiko (2010): ImpAct: enabling direct touch and manipulation for surface computing. In: Proceedings of the 2010 ACM Symposium on User Interface Software and Technology 2010. pp. 411-412. Available online

This paper explores direct touch and manipulation techniques for surface computing platforms using a special force feedback stylus named ImpAct (Immersive Haptic Augmentation for Direct Touch). Proposed haptic stylus can change its length when it is pushed against a display surface. Correspondingly, a virtual stem is rendered inside the display area so that user perceives the stylus immersed through to the digital space below the screen. We propose ImpAct as a tool to probe and manipulate digital objects in the shallow region beneath display surface. ImpAct creates a direct touch interface by providing kinesthetic haptic sensations along with continuous visual contact to digital objects below the screen surface.

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

 
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