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Keywords: colour constancy
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Journal Articles
J Exp Biol (2016) 219 (12): 1884–1892.
Published: 15 June 2016
... , which are trichromatic. We assume that photoreceptors light-adapt to the background, thereby implementing the von Kries transformation, which can largely account for observed colour constancy in humans and other animals, including fish. This transformation does not, however, compensate for light...
Journal Articles
J Exp Biol (2012) 215 (13): 2173–2180.
Published: 01 July 2012
... indifferent to such transitions. The initial avoidance of switching between patches of different lighting clearly indicates that bees perceive changes in overhead light ( Dyer, 2006 ; Lotto and Chittka, 2005 ), thus not ‘discounting’ the illumination as one might expect from a perfect colour constancy...
Journal Articles
J Exp Biol (2006) 209 (5): 781–788.
Published: 01 March 2006
... and geckos make use of the highly reliable colour signals in dim light. * Author for correspondence (e-mail: almut.kelber@cob.lu.se ) 22 12 2005 © The Company of Biologists Limited 2006 2006 vision colour vision sensitivity colour constancy night vision Colour vision...
Journal Articles
J Exp Biol (2004) 207 (19): 3307–3316.
Published: 01 September 2004
...Anna Balkenius; Almut Kelber SUMMARY Diurnal and nocturnal hawkmoths have been shown to use colour vision for flower discrimination. Here, we present evidence that the nocturnal hawkmoth Deilephila elpenor and the diurnal hawkmoth Macroglossum stellatarum also have colour constancy. Colour...
Journal Articles
J Exp Biol (2001) 204 (14): 2571–2580.
Published: 15 July 2001
... unique is in the colour constancy of bees. Theoretical models predict that bees will perform poorly at identifying pure ultraviolet signals under conditions of changing illumination, which may explain the near absence of pure ultraviolet-reflecting flowers in nature. Ultraviolet reflections from...