Publications

@article{galloDesignComparativeEvaluation2012,

title = {Design and Comparative Evaluation of Smoothed Pointing: A Velocity-oriented Remote Pointing Enhancement Technique},

author = { Luigi Gallo and Aniello Minutolo},

doi = {10.1016/j.ijhcs.2011.12.001},

issn = {1071-5819},

year  = {2012},

date = {2012-04-01},

journal = {International Journal of Human-Computer Studies},

volume = {70},

number = {4},

pages = {287--300},

abstract = {The increasing use of remote pointing devices in various application domains is fostering the adoption of pointing enhancement techniques which are aimed at counterbalancing the shortcomings of desk-free interaction. This paper describes the strengths and weaknesses of existing methods for ray pointing facilitation, and presents a refinement of Smoothed Pointing, an auto-calibrating velocity-oriented precision enhancing technique. Furthermore, the paper discusses the results of a user study aimed at empirically investigating how velocity-oriented approaches perform in target acquisition and in trajectory-based interaction tasks, considering both laser-style and image-plane pointing modalities. The experiments, carried out in a low precision scenario in which a Wiimote was used both as a wand and a tracking system, show that Smoothed Pointing allows a significant decrease in the error rate and achieves the highest values of throughput in trajectory-based tasks. The results also indicate that the effectiveness of precision enhancing techniques is significantly affected by the pointing modality and the type of pointing task.},

keywords = {C-D ratio, Ray pointing, Smoothed Pointing, User study, Wiimote},

pubstate = {published},

tppubtype = {article}

}