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Gaze control for detail and overview in image exploration
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, The Institute of Technology.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Gaze control for detail and overview in image exploration (Swedish)
Abstract [en]

Eye tracking technology has made it possible to accurately and consistently track a users gaze position on a screen. The human eyes center of focus, where it can see the most detailed information, is quite small at a given moment. The peripheral vision of humans have a much lower level of details than the center of gaze. Knowing this, it is possible to display a view that increases the level of resolution at the position of the users gaze point on the screen, while the rest of the screen keeps a lower resolution. An implementation of such a system can generate a representation of data with both detail and overview. The results indicate that even with simple gaze data processing it is possible to use gaze control to help explore details of a high resolution image. Gaze data processing often involve a compromise between stability, responsiveness and latency. A low latency, highly responsive gaze data filter would increase the risk for lens oscillation, and demand a higher concentration level from the viewer then a slower filter would. Applying a gaze data filter that allowed for smooth and stable lens movement for small saccades and responsive movements for large saccades proved successfully. With the uses of gaze control the user might be able to use a gaze aware application more efficient since gaze precedes actions. Gaze control would also reduce the need for hand motions which could provide a improved work environment for people interacting with computer.

Place, publisher, year, edition, pages
2015. , 58 p.
Keyword [en]
Eye tracker, Gaze control, Gaze data processing, detail, overview, Media technology, Medieteknik, Tobii, lens, ögonstyrning, ögontracking
National Category
Media and Communication Technology
URN: urn:nbn:se:liu:diva-121686ISRN: LIU-ITN-TEK-A--15/046--SEOAI: diva2:858106
Subject / course
Media Technology
Available from: 2015-10-01 Created: 2015-10-01 Last updated: 2015-10-01Bibliographically approved

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Rauhala, Sebastian
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