Real-time computational attention model for dynamic scenes analysis: from implementation to evaluation

Vincent Courboulay; Matthieu Perreira Da Silva

doi:10.1117/12.923431

10 May 2012 Real-time computational attention model for dynamic scenes analysis: from implementation to evaluation

Vincent Courboulay, Matthieu Perreira Da Silva

Proceedings Volume 8436, Optics, Photonics, and Digital Technologies for Multimedia Applications II; 84360O (2012) https://doi.org/10.1117/12.923431
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

Providing real time analysis of the huge amount of data generated by computer vision algorithms in interactive applications is still an open problem. It promises great advances across a wide variety of fields. When using dynamics scene analysis algorithms for computer vision, a trade-off must be found between the quality of the results expected, and the amount of computer resources allocated for each task. It is usually a design time decision, implemented through the choice of pre-defined algorithms and parameters. However, this way of doing limits the generality of the system. Using an adaptive vision system provides a more flexible solution as its analysis strategy can be changed according to the new information available. As a consequence, such a system requires some kind of guiding mechanism to explore the scene faster and more efficiently. We propose a visual attention system that it adapts its processing according to the interest (or salience) of each element of the dynamic scene. Somewhere in between hierarchical salience based and competitive distributed, we propose a hierarchical yet competitive and non salience based model. Our original approach allows the generation of attentional focus points without the need of neither saliency map nor explicit inhibition of return mechanism. This new realtime computational model is based on a preys / predators system. The use of this kind of dynamical system is justified by an adjustable trade-off between nondeterministic attentional behavior and properties of stability, reproducibility and reactiveness.

Citation Download Citation

Vincent Courboulay and Matthieu Perreira Da Silva "Real-time computational attention model for dynamic scenes analysis: from implementation to evaluation", Proc. SPIE 8436, Optics, Photonics, and Digital Technologies for Multimedia Applications II, 84360O (10 May 2012); https://doi.org/10.1117/12.923431

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