Download Attention in Cognitive Systems: 5th International Workshop by Jonathan Harel, Christof Koch (auth.), Lucas Paletta, John PDF

By Jonathan Harel, Christof Koch (auth.), Lucas Paletta, John K. Tsotsos (eds.)

This quantity constitutes the completely refereed post-workshop complaints of the fifth overseas Workshop on awareness in Cognitive structures, WAPCV 2008, held in Fira, Santorini, Greece in may perhaps 2008 as an linked occasion of the sixth foreign convention on desktop imaginative and prescient platforms (ICVS 2008).

The thirteen revised complete papers offered including with nine posters, were conscientiously chosen from 34 submissions. The papers are prepared in topical sections on consciousness in scene exploration, contextueal cueing and saliency, spatiotemporal saliency, attentional networks in addition to attentional modelling.

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Attention in Cognitive Systems: 5th International Workshop on Attention in Cognitive Systems, WAPCV 2008 Fira, Santorini, Greece, May 12, 2008 Revised Selected Papers

This quantity constitutes the completely refereed post-workshop court cases of the fifth foreign Workshop on cognizance in Cognitive structures, WAPCV 2008, held in Fira, Santorini, Greece in may possibly 2008 as an linked occasion of the sixth foreign convention on desktop imaginative and prescient platforms (ICVS 2008). The thirteen revised complete papers offered including with nine posters, were rigorously chosen from 34 submissions.

Additional info for Attention in Cognitive Systems: 5th International Workshop on Attention in Cognitive Systems, WAPCV 2008 Fira, Santorini, Greece, May 12, 2008 Revised Selected Papers

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For the anatomical constraint of possible finger positions the energy function is based on the Hopfield associative memory approach [13]: E(yi ) = − Tij · yi · yj . (4) ij i=j The minimum of the function is determined by the matrix Tij . For Tij s greater than zero, the corresponding yi s should either stay zero or become active in order to minimize the energy function. In the associative memory approach, Tij is determined by a learning rule. Here, we chose the Tij so that the hand network fulfils the anatomical constraints.

2. Excitatory connections between fingers indicate appropriate locations for the fingers and the thumb (see Fig. 1 for an illustration). The results of the separation feed into the corresponding finger maps providing the hand network with the geometrical constraints. Note that, of course, the assumptions about the object- and background-colours represent a strong simplification. On the other hand, this mechanism can be interpreted as mimicking the result of stereo vision. In such a resulting “depth image” real edges suitable for thumb or fingers could be easily identified.

Decoding What People See from Where They Look 21 in Fig. 6% of trials, compared to 25% for chance, with null hypothesis that predictions are 25% correct being rejected at p < 10−4 . We also tested the prediction rates when fixations were pooled over progressively fewer subjects, instead of only nine as above. For this, we used only the CIO+F map (although the face channel shows the highest decoding performance we wanted to use a feature map that combines bottom-up features to match common attention prediction methods), and binary image trials (one decoy).

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