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Kramer, Arthur F. Cortese, James Michael 2011-05-07T12:49:14Z 2011-05-07T12:49:14Z 10000-01-01 1992 A model is presented for characterizing the perceptual similarities of closed contours, utilizing a Fourier analysis on the cumulative angular bend of the curve. The model is tested in four experiments, using both ratings of similarity and accuracy of discrimination. The results indicate that in cases where the underlying Fourier dimensionality is low, the model is quite successful, as indicated by consistently high, significant correlations between the predicted and judged similarities, and by the fit of Fourier components to the dimensions recovered from multidimensional scaling solutions. When the dimensionality in the frequency space is high, the model is also shown to account for measures of perceptual similarity, albeit to a lesser degree. Implications of the work, and suggestions for alternative versions of the model, are discussed. Made available in DSpace on 2011-05-07T12:49:14Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9305496.pdf: 3301354 bytes, checksum: 9b6516a9ec9f86fe56ff6b1a611d321d (MD5) Previous issue date: 1992 Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:46:16Z Item is restricted indefinitely. Restriction data tranferred 2014-07-01T11:20:40-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission ETDs are only available to UIUC Users without author permission U of I Only AAI9305496 (UMI)AAI9305496 http://hdl.handle.net/2142/20786 eng Copyright 1992 Cortese, James Michael Psychology, Experimental Perceptual similarity of closed contours text Psychology Psychology University of Illinois at Urbana-Champaign Dissertation Ph.D.