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Is the Kanizsa illusion triggered by the simultaneous contrast mechanism? |
JOSA A, Vol. 28, Issue 12, pp. 2629-2641 (2011)
http://dx.doi.org/10.1364/JOSAA.28.002629
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Abstract
Current illusory contour models do not predict the disappearance of the Kanizsa illusion due to specific spatial luminance distributions within the inducers. We suggest that these stimulus conditions are characterized by an insufficient amount of induced brightness. Our model’s core assumption is that contour edge detection of the Kanizsa illusion and the simultaneous contrast (brightness induction) effect are triggered by the same mechanism. The simultaneous contrast can immunize the occlusion detection mechanism against spatial and temporal noise. Our model contains physiologically inspired building blocks that detect the oriented contour edges, complete the illusory contours, and enhance them. The model succeeds in predicting the appearance and the disappearance of many different Kanizsa illusion variants.
© 2011 Optical Society of America
OCIS Codes
(330.1880) Vision, color, and visual optics : Detection
(330.4060) Vision, color, and visual optics : Vision modeling
(330.5510) Vision, color, and visual optics : Psychophysics
(330.7320) Vision, color, and visual optics : Vision adaptation
ToC Category:
Vision, Color, and Visual Optics
History
Original Manuscript: April 22, 2011
Revised Manuscript: October 4, 2011
Manuscript Accepted: October 12, 2011
Published: November 23, 2011
Virtual Issues
Vol. 7, Iss. 2 Virtual Journal for Biomedical Optics
Citation
Eldar Ron and Hedva Spitzer, "Is the Kanizsa illusion triggered by the simultaneous contrast mechanism?," J. Opt. Soc. Am. A 28, 2629-2641 (2011)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-28-12-2629
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