#TheShoe is the new #TheDress - a colour ambiguity involving the red-green axis needs a new explanation

Werner, Annette; Fuchs, Sabrina; Kersten, Ylva; Salinas, Martha

doi:10.1167/18.10.891

Cited by 7 publications

(8 citation statements)

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“…They found that these images also produced similar individual differences in perception, suggesting that the distribution of colors across the daylight locus was sufficient to cause the ambiguity effect. However, they also point out that such a color distribution may not be necessary for causing individual differences in perception as similar ambiguity effects have been demonstrated in images that do not have the same blue-yellow hues as The Dress (e.g., Wallisch & Karlovich, 2019;Werner et al, 2018). Consistent with this, we found individual differences in perception of The Jacket which similarly does not include the same yellow-blue color distribution as The Dress.…”

Section: Discussionsupporting

confidence: 89%

Color Judgments of #The Dress and #The Jacket in a Sample of Different Cultures

et al. 2021

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Two viral photographs, #The Dress and #The Jacket, have received recent attention in research on perception as the colors in these photos are ambiguous. In the current study, we examined perception of these photographs across three different cultural samples: Sweden (Western culture), China (Eastern culture), and India (between Western and Eastern cultures). Participants also answered questions about gender, age, morningness, and previous experience of the photographs. Analyses revealed that only age was a significant predictor for the perception of The Dress, as older people were more likely to perceive the colors as blue and black than white and gold. In contrast, multiple factors predicted perception of The Jacket, including age, previous experience, and country. Consistent with some previous research, this suggests that the perception of The Jacket is a different phenomenon from perception of The Dress and is influenced by additional factors, most notably culture.

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Section: Discussionsupporting

confidence: 89%

Color Judgments of #The Dress and #The Jacket in a Sample of Different Cultures

et al. 2021

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“…One of the images that reached higher impact on social media is the #thetennisshoe. The perception in this case also has a bimodal distribution, with turquoise laces and sole and gray leather (T&G) being reported as the most common combination, the other being pink leather and white laces and sole (P&W; Werner et al., 2018).…”

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confidence: 67%

“…Nevertheless, although some correlation was present, it was only moderate (OR = 0.55). As Werner et al. (2018) stated, this lack of correlation could be due to a different color distribution in both images.…”

Section: Discussionmentioning

confidence: 96%

Influence of Main Ocular Variables in #TheDress Perception: An Ophthalmic Survey

et al. 2021

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The objective of this study is to study the influence of ocular variables in the perception of #thedress and to develop a logistic regression model that could help predict it. This is a cross-sectional study on 1,100 subjects. People who did not report one of the two main perceptions were excluded from the study. Dress perception was codified as 0 (white&gold) or 1 (black&blue). The association between dress perception and demographic and main ocular variables (age, gender, binocular visual acuity, grade of nuclear cataract, crystalline lens status [phakic/pseudophakic], spherical equivalent, and ocular health status) was tested using logistic regression. Receiver operation curves were used to test the predictive value of the model. Several variables were found to be related with dress perception. The best model included three variables—Age: adjusted odds ratio (OR) = 1.02 (1.01–1.03), p = 0.08; ocular refraction: adjusted OR = 1.07 (1.02–1.12), p = 0.009; and nuclear cataract grade: adjusted OR = 1.45 (1.05–1.99), p = 0.026. The predictive value of the model was low (area under the curve = 0.62). Older age, nuclear cataract grade, and hyperopia were associated with black&blue perception. The predictive capacity of the developed model was poor. Only a small proportion of the variability in the #thedress perception can be explained by ocular examination.

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“…Our understanding of colour ambiguities were further challenged by the discovery of another ambiguous photograph of a shoe -"the shoe illusion" -where colours are not distributed along the blue/yellow (i.e. daylight) axis, but rather spread roughly perpendicular to it, along the red/green cardinal axis [22][23][24]. Furthermore, it has been recently demonstrated that colour ambiguity is not unique for the dress photograph after all, but can also be produced by other, artificial images of objects, provided they exhibit a particular combination of colours and require a certain amount of scene interpretation from the observers [23,25].…”

Section: Introductionmentioning

confidence: 99%

Colour Ambiguity in Real Scenes and the Role of Perceptual Organisation

Werner

Schmidt

Hilmers

et al. 2021

Preprint

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In this study we show a reproduction of the dress-ambiguity phenomenon in a real scene and we report quantitative measurements of the corresponding colour perceptions. The original, real dress, known from #thedress-illusion, was illuminated by combined short- and longwavelength broadband lights from two slide projectors. Test subjects viewing the dress reported to perceive the dress’ fabric and lace colours as blue & black, white & gold or light blue & brown; their corresponding perceptual matches were distributed along the blue/yellow cardinal axis, and exhibited a variability comparable to the ambiguity of the dress photograph. It is particularly noteworthy that the colour ambiguity emerged despite explicit knowledge of the observers about the direction of the light source. Manipulating the background of the real dress (change in chromaticity and luminance, or masking) revealed significant differences between the perceptual groups regarding lightness and colour of the dress. Our findings suggest that observer specific differences in the perceptual organisation of the visual scene are responsible for the colour ambiguity observed for the real dress; in particular, we conclude that colour computations of white & gold viewers focused onto the local region of the dress, whereas the colour processes of blue & black and light-blue & brown viewers were strongly influenced by contextual computations including the background. Our segmentation hypothesis extends existing explanations for the dress’ ambiguity and proposes image based (in the case of the real scene) and high level (in the case of the photograph) neural processes which control the spatial reach of contextual colour computations. The relation between the ambiguity in our real scene and the dress photograph is discussed.

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#TheShoe is the new #TheDress - a colour ambiguity involving the red-green axis needs a new explanation

Cited by 7 publications

References 0 publications

Color Judgments of #The Dress and #The Jacket in a Sample of Different Cultures

Color Judgments of #The Dress and #The Jacket in a Sample of Different Cultures

Influence of Main Ocular Variables in #TheDress Perception: An Ophthalmic Survey

Colour Ambiguity in Real Scenes and the Role of Perceptual Organisation

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