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In this paper we present an experiment addressing the effect of voice pitch on the evaluation of a social robot receptionist. Twenty eight test participants interacted with two “female” robot characters: one with a high-pitched, exuberant voice, the other with a low-pitched, calm voice. Our results show that the high pitch robot was perceived significantly more attractive in terms of voice, behavior...
Even though people deal with deceptions throughout their whole lives, deception detection remains a challenging problem. The average detection rate for humans is only around chance, and detection skill is unlikely to be improved through training. Therefore, researchers have studied the features of deceptive behaviors that were largely ignored in human detection. For example, physiologists look at...
Texture is one of the most used low-level feature for image analysis and, in addition, one of the most difficult to characterize due to its imprecision. It is usual for humans to describe visual textures according to some perceptual properties like coarseness-fineness, orientation or regularity. In this paper, we propose to model the fineness property, that is the most popular one, by means of a fuzzy...
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