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Rake Cursor: Improving Pointing Performance with Concurrent Input Channels

Renaud Blanch 1 Michael Ortega 1
1 IIHM - Ingénierie de l’Interaction Homme-Machine
LIG - Laboratoire d'Informatique de Grenoble
Abstract : We investigate the use of two concurrent input channels to perform a pointing task. The first channel is the traditional mouse input device whereas the second one is the gaze position. The rake cursor interaction technique combines a grid of cursors controlled by the mouse and the selection of the active cursor by the gaze. A controlled experiment shows that rake cursor pointing drastically outperforms mouse-only pointing and also significantly outperforms the state of the art of pointing techniques mixing gaze and mouse input. A theory explaining the improvement is proposed: the global difficulty of a task is split between those two channels, and the sub-tasks could partly be performed concurrently.
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Renaud Blanch, Michael Ortega. Rake Cursor: Improving Pointing Performance with Concurrent Input Channels. Proceedings of the 27th international conference on Human factors in computing systems (CHI 2009), 2009, Boston, MA, United States. pp.1415-1418, ⟨10.1145/1518701.1518914⟩. ⟨hal-00953296⟩

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