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Jonathan Aceituno


Publications by Jonathan Aceituno (bibliography)

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Aceituno, Jonathan, Castet, Julien, Desainte-Catherine, Myriam and Hachet, Martin (2012): Improvised interfaces for real-time musical applications. In: Proceedings of the 6th International Conference on Tangible and Embedded Interaction 2012. pp. 197-200. http://dx.doi.org/10.1145/2148131.2148174

Computers offer a wealth of promises for real-time musical control. One of them is to enable musicians to change the structure of their instruments in the same time they are playing them, allowing them to adapt their tools to their wills and needs. Few interaction styles provide enough freedom to achieve this. Improvised interfaces are tangible interfaces made out of found objects and tailored by their users. We propose to take advantage of these improvised interfaces to turn the surrounding physical environment into a dynamic musical instrument with tremendous possibilities. Methods dealing with design issues are presented and an implementation of this novel approach is described.

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

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Roussel, Nicolas, Casiez, Gry, Aceituno, Jonathan and Vogel, Daniel (2012): Giving a hand to the eyes: leveraging input accuracy for subpixel interaction. In: Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 351-358. http://dx.doi.org/10.1145/2380116.2380162

We argue that the current practice of using integer positions for pointing events artificially constrains human precision capabilities. The high sensitivity of current input devices can be harnessed to enable precise direct manipulation ""in between"" pixels, called subpixel interaction. We provide detailed analysis of subpixel theory and implementation, including the critical component of revised control-display gain transfer functions. A prototype implementation is described with several illustrative examples. Guidelines for subpixel domain applicability are provided and an overview of required changes to operating systems and graphical user interface frameworks are discussed.

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

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