… geometry changes such as shading and the highlights under … is using the stability of hues
against the illumination change in … took the images of different illumination angles and different …

… reflectivity of an object and illumination for the surface color. … experiments were sufficiently
stable during the experiment. … The images or other third party material in this article are …

… observer and illuminant C and A data from 1932 [2, 3]. … L–M signals would be beneficial,
since it would optimize signal trans… stable categorization system, similar to the ones observed in …

… Under low levels of illumination rods work and cones do not; … According to the “Color Opponent
theory” [4], signals are sent … Colorimeters allow for color measurements with high stability, …

… Hering-Hurvich-Jameson developed a color-opponent theory… order to stress the stable and
homogeneous appearance of … traits of received signals, while the average illumination level is …

… an environment with a different illuminant or reflectance distribution. Thus, … stable (eg, variations
in photopigment opsins) or change very … two color-opponent channels as modeled here. …

… respect to changes of illuminant in natural scenes, concluding … by abrupt and unpredictable
changes in illumination [29, p. … we wanted participants to find (see below), and identified all of …

… Hering noted that stable color fusion was more challenging … can minimize the influence of
illumination in color experiments [17]. … two axes are the color-opponent dimensions forming the …

… signals, mainly performed by ganglion cells, which gives rise to the achromatic plus color
opponent … If we change the illuminant I with the illuminant I used in the first experiment and we …

… , images are classified into textured and non-textured images [6]. Compared to the shape and
texture characteristics, the color shows better stability … Commission on Illumination (CIE) as …