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Trade-off between achromatic colour and perceived illumination as revealed by the use of pseudoscopic inversion of apparent depth.
Logvinenko A, Menshikova G. Logvinenko A, et al. Perception. 1994;23(9):1007-23. doi: 10.1068/p231007. Perception. 1994. PMID: 7899043
Looking through a pseudoscope made a cone attached to a vertical white screen look like a conical hole in the screen. This in turn caused the shadow which the now 'invisible' cone cast on the screen to change its appearance and to look like a da …
Looking through a pseudoscope made a cone attached to a vertical white screen look like a conical hole in the sc …
The Achromatic Object-Colour Manifold is Three-Dimensional.
Logvinenko AD. Logvinenko AD. Perception. 2015 Mar;44(3):243-68. doi: 10.1068/p7912. Perception. 2015. PMID: 26562251
Lightness constancy and illumination discounting.
Logvinenko AD, Tokunaga R. Logvinenko AD, et al. Atten Percept Psychophys. 2011 Aug;73(6):1886-902. doi: 10.3758/s13414-011-0154-2. Atten Percept Psychophys. 2011. PMID: 21688072
The stimuli consisted of a large sheet of black paper with a rectangular spotlight projected onto the lower half and 40 squares of various shades of grey printed on the upper half. ...None of our observers perceived illumination edges purely as illumination edges: …
The stimuli consisted of a large sheet of black paper with a rectangular spotlight projected onto the lower half and 40 square …
A scaling analysis of the snake lightness illusion.
Logvinenko AD, Petrini K, Maloney LT. Logvinenko AD, et al. Percept Psychophys. 2008 Jul;70(5):828-40. doi: 10.3758/pp.70.5.828. Percept Psychophys. 2008. PMID: 18613631
Logvinenko and Maloney (2006) measured perceived dissimilarities between achromatic surfaces placed in two scenes illuminated by neutral lights that could differ in intensity. Using a novel scaling method, they found that dissimilarities between light surface pairs
Logvinenko and Maloney (2006) measured perceived dissimilarities between achromatic surfaces placed in two scenes illuminated by neut
One blue colour channel or two?
Logvinenko AD, Hutchinson SJ. Logvinenko AD, et al. Perception. 2005;34(8):921-5. doi: 10.1068/p5165. Perception. 2005. PMID: 16178144
Studying high-spatial-frequency tritanopia (a colour illusion based on spatio-chromatic interactions in human vision), we found strong evidence for the existence of two blue mechanisms-with low and high spatial-frequency resolution. ...
Studying high-spatial-frequency tritanopia (a colour illusion based on spatio-chromatic interactions in human vision), we found stron …
Straightness as a cue for luminance edge interpretation.
Logvinenko AD, Adelson EH, Ross DA, Somers D. Logvinenko AD, et al. Percept Psychophys. 2005 Jan;67(1):120-8. doi: 10.3758/bf03195016. Percept Psychophys. 2005. PMID: 15912876
By measuring the strength of lightness illusions, we find evidence that straightness is, used as a cue: When a boundary is straight rather than curved, it has a greater tendency to be discounted, as if it were an illumination edge. The strongest illusions occ …
By measuring the strength of lightness illusions, we find evidence that straightness is, used as a cue: When a boundary is str …
A fair test of the effect of a shadow-incompatible luminance gradient on the simultaneous lightness contrast.
Logvinenko AD. Logvinenko AD. Perception. 2003;32(6):717-20; discussion 721-30. doi: 10.1068/p3291. Perception. 2003. PMID: 12892432
Shadow-compatibility of simultaneous lightness contrast is discussed by Alexander D Logvinenko and Paola Bressan, with examples claiming to provide a test of the hypothesis....
Shadow-compatibility of simultaneous lightness contrast is discussed by Alexander D Logvinenko and Paola Bressan, with examples claim …
Does the bandpass linear filter response predict gradient lightness induction? A reply to Fred Kingdom.
Logvinenko AD. Logvinenko AD. Perception. 2003;32(5):621-6. doi: 10.1068/p3367. Perception. 2003. PMID: 12854648
It is argued that lightness illusions induced by luminance gradient cannot be accounted for by the response of a bandpass linear filter as recently claimed by Kingdom (Perception 28 929-934)....
It is argued that lightness illusions induced by luminance gradient cannot be accounted for by the response of a bandpass linear filt …
Luminance gradient can break background-independent lightness constancy.
Logvinenko AD, Kane J. Logvinenko AD, et al. Perception. 2003;32(3):263-8. doi: 10.1068/p3341. Perception. 2003. PMID: 12729378
A display with a luminance gradient was shown to induce a strong lightness illusion (Logvinenko, 1999 Perception 28 803-816). ...This is in line with the hypothesis that simultaneous lightness contrast is solely a phenomenon of pictorial percept
A display with a luminance gradient was shown to induce a strong lightness illusion (Logvinenko, 1999 Perception
The anchoring effect in lightness perception in humans.
Logvinenko AD. Logvinenko AD. Neurosci Lett. 2002 Dec 6;334(1):5-8. doi: 10.1016/s0304-3940(02)00935-7. Neurosci Lett. 2002. PMID: 12431762
Simultaneous lightness contrast is a classical visual illusion, which has been the focus of research for several generations of visual scientists. ...We present a new demonstration, which challenges both explanations. It suggests that simultaneous lightness contrast …
Simultaneous lightness contrast is a classical visual illusion, which has been the focus of research for several generations of visua …
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