Download Affective Computing and Intelligent Interaction: Second by Ana Paiva, Rui Prada, Rosalind W. Picard PDF

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By Ana Paiva, Rui Prada, Rosalind W. Picard

This e-book constitutes the refereed complaints of the second one overseas convention on Affective Computing and clever interplay, ACII 2007, held in Lisbon, Portugal, in September 2007.

The fifty seven revised complete papers and four revised brief papers provided including the prolonged abstracts of 33 poster papers have been conscientiously reviewed and chosen from 151 submissions. The papers are geared up in topical sections on affective facial features and popularity, affective physique expression and popularity, affective speech processing, affective textual content and discussion processing, recognising impact utilizing physiological measures, computational types of emotion and theoretical foundations, affective databases, annotations, instruments and languages, affective sound and track processing, affective interactions: platforms and purposes, in addition to comparing affective systems.

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Extra resources for Affective Computing and Intelligent Interaction: Second International Conference, ACII 2007, Lisbon, Portugal, September 12-14, 2007, Proceedings

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There is still some space for performance to be improved. This may be explained as that the pseudo expression database consists only 10 subjects with 7 basic expressions, which is insufficient for training the mapping function to capture common expression patterns among different people. The possible solution is either to increase the number of the subjects or to collect more expression images for a specific subject. 2 Synthetic Expression and Perceptual Evaluation A series of perceptual evaluation is conducted to evaluate the performance of the layered framework for expression synthesis.

In particular, the percentage of the participants that answered all questions differently to our expectations is relatively high. 7 Conclusion In this paper we described an architecture that uses facial expressions in order to express interpersonal relations of an ECA. The agent is able to mask, hide or even simulate the expression of its emotions taking into account the social context. Its facial expressions reflect the management of the display of its emotions. We presented also the evaluation study of our model of facial behaviour in interpersonal relations.

Fk = Pi R i Fkmax ( Pi R ∈ [ −1, +1]) ⎨ j j ⎪⎩ F j = α k i Fk (α k ∈ [ −1, +1], k ≠ j ) (1) Table 1. 2 Partial Expression Description [0,-1] [0,1] Eyebrow lower down Eyebrow raise up Relax Eyebrow Squeeze Eyebrow In the shape of “\ /” In the shape of “/ \” Close eye-lid Open eye-lid (Eyeball) look right (Eyeball) look left (Eyeball) look up (Eyeball) look down Close mouth Open mouth Mouth-corner bent down Mouth-corner bent up Mouth sipped Mouth protruded (pout) Mouth stretched in Mouth stretched out Jaw move up Jaw lower down Jaw move right Jaw move left Table 2.

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