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. 2015 Apr 1;6(2):67–85. doi: 10.1068/i0701

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© 2015 J Koenderink, A van Doorn, L Albertazzi, J Wagemans Published under a Creative Commons Licence

This article is distributed under the terms of the Creative Commons Attribution 3.0 License (http://www.creativecommons.org/licenses/by/3.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (http://www.uk.sagepub.com/aboutus/openaccess.htm).

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Figure 9. — Left: This image was computed by randomly sampling from the empirical distribution defined by the hue results from cluster I. Right: This image was computed by randomly sampling from the empirical distribution defined by the brightness results from cluster II.