Color in Complex Scenes

Shevell, Steven K.; Kingdom, Frederick A. A.

doi:10.1146/annurev.psych.59.103006.093619

Cited by 199 publications

(134 citation statements)

References 156 publications

(159 reference statements)

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“…Contextual effects in color perception have been widely studied under the rubric of simultaneous contrast and color constancy [8]. Although the mechanisms underlying color perception in complex scenes are not entirely understood, one point of consensus is relevant to CWM.…”

Section: Context-specific Features Of Perceptionmentioning

confidence: 99%

Relating color working memory and color perception

Allred¹,

Flombaum²

2014

Trends in Cognitive Sciences

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Section: Context-specific Features Of Perceptionmentioning

confidence: 99%

Relating color working memory and color perception

Allred¹,

Flombaum²

2014

Trends in Cognitive Sciences

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“…Beck, 1966;De Weert, 1984;De Weert and Spillmann, 1995;Dresp and Fischer, 2001;Gerrits and Vendrik, 1970;Heinemann, 1955;Helson, 1963;Pinna, 2008;Shapley and Reid, 1985) or color context effects (e.g. Long and Purves, 2003;Reeves et al, 2008;Shevell and Kingdom, 2008). Observing how colors placed side by side or surrounding each other change in appearance according to which color is put next to which other, Chevreul suggested how they needed to be displayed in space to produce specific effects on the perception of the human observer.…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Brightness and Apparent Depth from True Colors on Grey: Chevreul Revisited

Dresp-Langley

Reeves²

2012

Seeing and Perceiving

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We show that true colors as defined by Chevreul (1839) produce unsuspected simultaneous brightness induction effects on their immediate grey backgrounds when these are placed on a darker (black) general background surrounding two spatially separated configurations. Assimilation and apparent contrast may occur in one and the same stimulus display. We examined the possible link between these effects and the perceived depth of the color patterns which induce them as a function of their luminance contrast. Patterns of square-shaped inducers of a single color (red, green, blue, yellow, or grey) were placed on background fields of a lighter and a darker grey, presented on a darker screen. Inducers were always darker on one side of the display and brighter on the other in a given trial. The intensity of the grey backgrounds varied between trials only. This permitted generating four inducer luminance contrasts, presented in random order, for each color. Background fields were either spatially separated or consisted of a single grey field on the black screen. Experiments were run under three environmental conditions: dark-adaptation, daylight, and rod-saturation after exposure to bright light. In a first task, we measured probabilities of contrast, assimilation, and no effect in a three-alternative forced-choice procedure (background appears brighter on the 'left', on the 'right' or the 'same'). Visual adaptation and inducer contrast had no significant influence on the induction effects produced by colored inducers. Achromatic inducers produced significantly stronger contrast effects after dark-adaptation, and significantly stronger assimilation in daylight conditions. Grouping two backgrounds into a single one was found to significantly decrease probabilities of apparent contrast. Under the same conditions, we measured probabilities of the inducers to be perceived as nearer to the observer (inducers appear nearer on 'left', on 'right' or the 'same'). These, as predicted by Chevreul's law of contrast, were determined by the luminance contrast of the inducers only, with significantly higher probabilities of brighter inducers to be seen as nearer, and a marked asymmetry between effects produced by inducers of opposite sign. Implications of these findings for theories which attempt to link simultaneous induction effects to the relative depth of object surfaces in the visual field are discussed.

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“…ignored as perceived colour (its appearance) is influenced by the chromaticity of its surround. 4 CVD, in its congenital form, is the product of genetic mutations that affect the expression of the three cone types and is an extremely common vision disorder -mainly affecting males (on the X chromosome within the Xq28 band) with incidence rates of approximately 8% for males and 0.5% for females. Unfortunately, CVD cannot be improved with training and, to date, there is no treatment (although gene therapy shows promise).…”

Section: In Briefmentioning

confidence: 99%