The Effect of Inducing Luminance on a Brightness Paradox, by Ste N Sture Bergström and Berit Rubens

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The Effect of Inducing Luminance on a Brightness Paradox, by Ste N Sture Bergström and Berit Rubenson

Author : Sten Sture Bergström, Berit Rubenson

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Published : 1969

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Number of Pages : Pages

Language : en

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Results The Effect of Inducing Luminance on a Brightness Paradox, by Ste N Sture Bergström and Berit Rubenson

Isolation of brightness induction effects on target patches from - The brightness (perceived intensity) of a region of visual space depends on its luminance and on the luminance of nearby regions. This phenomenon is called brightness induction and includes both brightness contrast and assimilation. Historically, and on a purely descriptive level, brightness contrast refers to a directional shift in target brightness away from the brightness of an adjacent

Perceived luminance depends on temporal context | Nature - Brightness—the perception of an object's luminance—arises from complex and poorly understood interactions at several levels of processing 1. It is well known that the brightness of an object

The effect of inducing luminance on a brightness paradox III;: A - The effect of inducing luminance on a brightness paradox III;: A methodological study (Dept. of Psychology. University of Uppsala, Sweden. Report 69) [Rubenson, Berit] on *FREE* shipping on qualifying offers. The effect of inducing luminance on a brightness paradox III;: A methodological study (Dept. of Psychology. University of Uppsala, Sweden

Relations between brightness and luminance under induction - The group consisting of the Relations between Brightness and Luminance under Induction 337 configuration used by HEINEMANN (1955) and the configuration gives lines with a slope at 25-30and crossing the 45median. This means, relatively speaking, that the higher the inducing luminance the lower the critical value

Nighttime Lights | Earthdata - Viewing nighttime lights provides a unique perspective of the planet. Unlike daytime remote sensing, there are multiple sources of nighttime illumination. These sources include moonlight, light directly emitted by a source (, buildings and transport), and light reflected by the ground, also known as surface albedo. Snow, which has a high

PDF Induction effects for heterochromatic brightness matching - sult is interpreted as the annulus inducing the brightness of the central disk. A simple way to quantify the magni-tude of induction is to employ an ''achromatic brightness matching'' (ABM) task, in which subjects are asked to ad-just the luminance of a gray test disk (presented by itself) to match the apparent brightness of a gray disk

Lightness, brightness, and brightness contrast: 1. Illuminance - Changes of annulus luminance in traditional disk-and-annulus patterns are perceptually ambiguous; they could be either reflectance or illuminance changes. In more complicated patterns, apparent reflectances are less ambiguous, letting us place test and standard patchesjnpxsurrounds perceived to be different grays. Our subjects matched the apparent amounts of light coming from the patches

Bright illusions reduce the eye's pupil | PNAS - For the two Kanisza figures, given that the addition of extra lines and forms increases the number of black pixels and therefore decreases luminance, brightness was controlled by changing the size of the inducing shapes so that the mean luminance of each picture also remained constant. Each target image was presented for 4 s

What is Luminance? - Meaning, Definition, Formula, Uses - BYJU'S - The intensity or the photoelectric effect that is measured on a surface at a specific position is known as illuminance. In simple words, luminance is the intensity of the emitted light from a surface per unit area in a particular direction that can be considered for its definition. It provides the amount of light that passes through, is

The critical role of relative luminance relations in White's effect and - It has been proposed that both White's effect and the grating induction effect are examples of brightness induction phenomena modeled in terms of local spatial filters. We have shown that for these illusions to occur it is necessary that the luminance of the gray target elements falls between that of the inducing stripes of the square-wave pattern

Car Lights: Types and Functions | Wuling - The brake light is generally red which is located at the back of the car and will light up when the driver presses the brake pedal. In its use, the brake lights and taillights will work together which indicates the car is braking and reducing speed. ... In addition, HID lamps also take a while to achieve perfect brightness. Halogen. This is the

211730 - NLM Catalog Result - Title(s): The effect of inducing luminance on a brightness paradox/ Sten Sture Bergström, Berit Rubenson. Country of Publication: Sweden Publisher: Uppsala : Dept. of Psychology, Univ. of Uppsala, 1969

(PDF) The Meaning of Natural Lighting on Altar Case ... - ResearchGate - The lighting on the altar is the climax of the church building, and the orientation of the light on the altar as a climax is the manifestation of silent and light. The finding of this study is

Simultaneous Brightness Induction | SpringerLink - The inducing field may decrease or increase the brightness of the test field, or have no effect, depending on the relative luminances of the two fields and the geometric arrangement. Naturally, the test field may also have an effect on the brightness of the inducing field. Keywords. Test Field; Induction Effect; Stimulus Pattern; Stray Light

The influence of depicted illumination on brightness | PNAS - The graphics used to test the perception of geometrical objects of known luminance in various scenes were created with a Powerwave 604/120 computer (Power Computing, Round Rock, TX), adobe illustrator 7.0 and photoshop 4.0 (Adobe Systems, Mountain View, CA), and studiopro 2.0 (Strata, George, UT). All cues about illumination were depicted so as to leave unaffected the contrast between the test

The effect of inducing luminance on a brightness paradox III / Lists - The effect of inducing luminance on a brightness paradox III / Lists. This edition is on 0 lists. Are you sure you want to remove The effect of inducing luminance on a brightness paradox III from this list? This reader hasn't created any lists yet. Recent Activity. When What Who Comment; 6 minutes ago:

PDF The Effects of Lighting Design on Mood, Attention, and Stress A Thesis - light, also potentially affective for treating SAD, and a dim, warm light (Control), to see what their effects would be on these constructs. It was hypothesized that the bright SAD lamp would negatively affect attention and heighten stress compared to the control and blue light conditions

Luminances of the target fields for each of the inducing fields. The - For all background colors the luminance for MaxSat is like that for B match. from publication: Brightness contrast inhibits color induction: Evidence for a new kind of color theory | A gray region

Contour effects on a brightness paradox - ScienceDirect - THB INDUCING LUMINANCE IN ^ IS 0-45 mL M SD A 19 3-89 Ai S-6 4-41 Ai 3-60 2-34 E 0-42 1-37 Contour Effects on a Brightness Paradox 1061 10-0 5-0 A A, A^ E Gradit FIG. 5. Group means of paradox size for the four gradients A, Ai, Ai and E. induction from areas a and d to areas b and c. OSGOOD (1958, p. 234) as well as FRY and BART-LEY (1935

The effect of inducing luminance on a brightness paradox III - The effect of inducing luminance on a brightness paradox III by Berit Rubenson, 1969, Dept. of Psychology, University of Uppsala edition, in English The effect of inducing luminance on a brightness paradox III (1969 edition) | Open Library

The effect of inducing luminance on a brightness paradox III - The effect of inducing luminance on a brightness paradox III;: A methodological study (Dept. of Psychology. University of Uppsala, Sweden. Report 69) [Rubenson, Berit] on *FREE* shipping on qualifying offers

(PDF) The effects of color on brightness - ResearchGate - The influence of color on brightness provides further evidence that perceptions of luminance are generated according to the empirical frequency of the possible sources of visual stimuli, and

Contour effects on a brightness paradox - ScienceDirect - A contrast phenomenon in the form of a brightness paradox in the perception of certain luminance gradients in space has been investigated. In this study the influence on the paradox of demarcating the inducing from the induced fields by dark contours was measured

(PDF) The effects of color on brightness - Does chromatic variation in the surround induce brightness induction?

Relations between brightness and luminance under induction - The curves relate the test field luminances (L) needed to maintain a brightness match with a comparison field, to the luminance of an inducing field (Li), by which the simultaneous contrast effect is produced. In this set of curves the parameter is the subjective brightness (B)