Jörgen Eriksson
Kristoffer Holmqvist
Mikael Graffner
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Theses, dissertations and research publications (including journal articles, conference abstracts and books) from Lund University are collected in this database. Where possible, the option to download a full text document is available. It is also possible to search for Lund University student theses in the student theses database.
| Title | Variable resolution images and their effects on eye-movements during free-viewing |
| Author/s | Marcus Nyström, Kenneth Holmqvist |
| Department/s |
Max-laboratory
Department of Information Technology |
| Full-text | Full text is not available in this archive |
| Alternative location (URL) | http://dx.doi.org/10.1117/12.7... Restricted Access (Alternative Location) |
| Publication/Series | Proceedings of SPIE - The International Society for Optical Engineering |
| Publishing year | 2007 |
| Volume | 6492 |
| Pages | 49216 - 49216 |
| Document type | Conference |
| Conference name | Human Vision and Electronic Imaging XII |
| Conference date | 2007-01-29/2007-02-01 |
| Conference location | San Jose, CA, United States |
| Status | published |
| Quality controlled | yes |
| Language | English |
| Publisher | SPIE, Bellingham WA, WA 98227-0010, United States |
| Abstract English | Earlier studies have shown that while free-viewing images people tend to gaze at regions with a high local density of bottom up features such as contrast and edge density. In particular, this tendency seems to be more emphasized during the first few fixations after image onset. In this paper, we present a new method to investigate how gaze locations are chosen by introducing varying image resolution, and measure how it affects eye-movement behavior during free viewing. Results show that gaze density overall is shifted toward regions presented in high resolution over those degraded in resolution. However, certain image regions seem to attract early fixations regardless of display resolution. These results suggest that top-down control of gaze guidance may be the dominant factor early in visual processing. © 2007 SPIE-IS and T. |
| Subject |
Technology and Engineering |
| Keywords | Variable resolution images, Gaze locations, Visual attention |
| ISBN/ISSN/Other |
ISSN: 0277-786X CODEN: PSISDG |
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