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2 results on '"symmetric-axis"'

1. Evidence for a Structural Analysis of Target Selection in Picture Viewing

Author

Christoph Rasche and Benjamin W. Tatler

Subjects
saccadic target selection, real-world scenes, symmetric-axis, transform, Human anatomy, QM1-695
Abstract

Spontaneous fixations onto shapes are driven by a structural analysis. But is such analysis also carried out during free viewing of real-world scenes? Here, we analyze how fixation locations in such scenes are related to their region using the region's symmetric axes as a reference. Each fixation location is compared with respect to its nearest symmetric-axis segment by a latitude and a longitude measure. Analyzing the distributions for the two measures we find that there exist fixation biases for L features and parallel contours, suggesting that structural analysis may play a role in saccadic target selection during free viewing.

Published
2011
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2. Evidence for a Structural Analysis of Target Selection in Picture Viewing

Author

Benjamin W. Tatler and Christoph Rasche

Subjects
Computer science, business.industry, QM1-695, Fixation (psychology), symmetric-axis, Sensory Systems, Saccadic masking, Latitude, Ophthalmology, real-world scenes, saccadic target selection, transform, Picture viewing, Human anatomy, Computer vision, Artificial intelligence, Symmetric axis, business, Longitude
Abstract

Spontaneous fixations onto shapes are driven by a structural analysis. But is such analysis also carried out during free viewing of real-world scenes? Here, we analyze how fixation locations in such scenes are related to their region using the region's symmetric axes as a reference. Each fixation location is compared with respect to its nearest symmetric-axis segment by a latitude and a longitude measure. Analyzing the distributions for the two measures we find that there exist fixation biases for L features and parallel contours, suggesting that structural analysis may play a role in saccadic target selection during free viewing.

Published
2011

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