Decomposition and Integration in Perceptual Comparisons

Koesling H, Ritter H (2004)
In: Proceedings of the Workshop on Early Cognitive Vision : ECOVISION 2004. Wörgötter F (Ed);Isle of Skye, UK.

Conference Paper | Published | English

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Wörgötter, F.
Abstract
How is the assessment of location and length of visual stimuli affected by their eccentricity in the visual field? We report results of a study of this question in the context of perceptual comparison tasks. Based on the assumption that the perception of line segment end points is an essential prerequisite for length assess- ment and comparison, two experiments investigated if a correlation exists between peripherally perceived position and length. Our findings confirmed this correlation and supported a "decomposition" hypothesis: The assessment of a line segment can be formalised as the localisation of its end points (decomposition) and the computation of their distance to yield line segment length. An accordingly implemented, probabilistic computational model successfully reproduced the empirical findings and thus yielded further support for the proposed perception mechanisms.
Publishing Year
Conference
Workshop on Early Cognitive Vision : ECOVISION 2004
Location
Isle of Skye, UK
Conference Date
2003-09-22
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Koesling H, Ritter H. Decomposition and Integration in Perceptual Comparisons. In: Wörgötter F, ed. Proceedings of the Workshop on Early Cognitive Vision : ECOVISION 2004. Isle of Skye, UK; 2004.
Koesling, H., & Ritter, H. (2004). Decomposition and Integration in Perceptual Comparisons. In F. Wörgötter (Ed.), Proceedings of the Workshop on Early Cognitive Vision : ECOVISION 2004 Isle of Skye, UK.
Koesling, H., and Ritter, H. (2004). “Decomposition and Integration in Perceptual Comparisons” in Proceedings of the Workshop on Early Cognitive Vision : ECOVISION 2004, ed. F. Wörgötter (Isle of Skye, UK).
Koesling, H., & Ritter, H., 2004. Decomposition and Integration in Perceptual Comparisons. In F. Wörgötter, ed. Proceedings of the Workshop on Early Cognitive Vision : ECOVISION 2004. Isle of Skye, UK.
H. Koesling and H. Ritter, “Decomposition and Integration in Perceptual Comparisons”, Proceedings of the Workshop on Early Cognitive Vision : ECOVISION 2004, F. Wörgötter, ed., Isle of Skye, UK: 2004.
Koesling, H., Ritter, H.: Decomposition and Integration in Perceptual Comparisons. In: Wörgötter, F. (ed.) Proceedings of the Workshop on Early Cognitive Vision : ECOVISION 2004. Isle of Skye, UK (2004).
Koesling, Hendrik, and Ritter, Helge. “Decomposition and Integration in Perceptual Comparisons”. Proceedings of the Workshop on Early Cognitive Vision : ECOVISION 2004. Ed. F. Wörgötter. Isle of Skye, UK, 2004.
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