Overthere : A Simple and Intuitive Object Registration Method for an Absolute Mid-air Pointing ...
summary
Overthere lets users register smart‑home devices by capturing multiple freehand pointing rays from a Kinect, estimating a target 3D position via least‑squares on skew head‑to‑hand lines, and offering visual/temporal feedback for accept/reject. A user study finds the grab motion produces the most coherent rays; error depends on maximum gesture angle and target size; system achieves an average 19 cm average error and about 28 s per device with feedback improving accuracy at the cost of time.
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