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A computational model of perceptual saliency for 3D objects in virtual environments

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Abstract

When giving directions to the location of an object, people typically use other attractive objects as reference, that is, reference objects. With the aim to select proper reference objects, useful for locating a target object within a virtual environment (VE), a computational model to identify perceptual saliency is presented. Based on the object’s features with the major stimulus for the human visual system, three basic features of a 3D object (i.e., color, size, and shape) are individually evaluated and then combined to get a degree of saliency for each 3D object in a virtual scenario. An experiment was conducted to evaluate the extent to which the proposed measure of saliency matches with the people’s subjective perception of saliency; the results showed a good performance of this computational model.

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Acknowledgements

Graciela Lara holds a PROMEP scholarship in partnership with the UDG (UDG-685), Mexico. We also thank the students Adrián Calle Murillo, Roberto Mendoza Vasquez, and Álvaro Iturmendi Muñoz for their help in the implementation of the metric and the experimental software application and materials.

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Authors and Affiliations

  1. CUCEI of the Universidad de Guadalajara, Av. Revolución 1500, Col. Olímpica, 44430, Guadalajara (Jalisco), Mexico

    Graciela Lara & Adriana Peña

  2. Escuela Técnica Superior de Ingenieros Informáticos of the Universidad Politécnica de Madrid, Campus de Montegancedo, 28660, Boadilla Del Monte, Spain

    Angélica De Antonio

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  1. Graciela Lara
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  2. Angélica De Antonio
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  3. Adriana Peña
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Correspondence to Adriana Peña.

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Lara, G., De Antonio, A. & Peña, A. A computational model of perceptual saliency for 3D objects in virtual environments. Virtual Reality 22, 221–234 (2018). https://doi.org/10.1007/s10055-017-0326-z

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