Brightness of Colored Light or Object is Higher than that with Achromatic Color

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Achromatic form perception is based on luminance, not brightness.

Two figures were examined, one a subjective disk and the other a cup whose shape was revealed by shadows. The figures were presented in a single color on a background of a different color, and the observers adjusted the radiance of one color until, in the first case, the vividness of the subjective contour reached a minimum (minimum subjective contour) or, in the second case, the impression of ...

متن کامل

Perception of Lightness and Brightness of Achromatic Surface Color and Impression of Illumination

The relationships between lightness and brightness responses under the condition that achromatic "surface color " appears and the relationships between perceived illumination and brightness were examined. The Ss were required to make categorical judgments upon both lightness and brightness of the test patches presented on black and white backgrounds and upon the over-all illumination in the vis...

متن کامل

Color naming reveals our ability to distinguish between a colored background and colored light.

Objects appear to have much the same color under quite diverse illumination. This phenomenon, which is known as color constancy, can only be achieved by considering the color of surrounding surfaces. However, considering surrounding surfaces will yield errors if the chromaticity in such surfaces arises from the surface reflectance rather than from the illumination. Does the visual system treat ...

متن کامل

Serum prolactin level in psoriasis: Is it really higher than in healthy individuals?

Background: Psoriasis is a chronic immune-mediated skin diseasewith a genetic predisposition. Prolactin may contribute to psoriasispathogenesis. However, there has been a debate over the serumlevel of prolactin in psoriatic patients. The aim of this study was todescribe the role of serum prolactin in the pathogenesis of psoriasisMethod: The serum prolactin level was measured in 45 patientswith ...

متن کامل

Normalized Model of Traffic Light Traits Based on Colored Pixels

Nowadays, because of the growing numbers of vehicles on streets and roads, the use of intelligent controlsystems to improve driving safety and health has become a necessity. To design and implement suchcontrol systems, having information about traffic light colors is essential. There are the wide variety oftraffic lights in terms of light intensity and color. Therefore it seems that design and ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Journal of the Illuminating Engineering Institute of Japan

سال: 1992

ISSN: 0019-2341,1349-838X,2185-1506

DOI: 10.2150/jieij1980.76.9_504