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How can it be measured; how can it be used

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Visual Salience as the Cause of Fixations

How can it be measured; how can it be used

Hermann Pflüger

Eurographics Tutorial: Eye Tracking Visualization | 05/04/2015 | Zürich, Schweiz

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Individual and Common Fixations

Percentage of fixations that were fixated by a specific number of participants.

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• Cognition?

• Visual salience?

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Reasons for the Choice of Fixations

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Simulated Fixations based on Salience

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Visual Salience

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Timedepended Input

Any change of the fixation alters the visual input

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Fixation probabilty of image points based on salience

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• Visual salience of the location of a fixation

• Distance to the next salience maximum

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New measures by consideration of the visual salience

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Results

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Results

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Improving Eye Tracking Data by Means of Salience Information

• Autocalibration

• Control attention

• Filtering/Interaction/Augmented Reality

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1. PFLÜGER H., HÖFERLIN B., RASCHKE M., ERTL T.; Simulating fixations when looking at visual arts. Journal; ACM Transactions on Applied Perception; accepted for publication.

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Literature

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