[HTML][HTML] Time-lapse ratios of cone excitations in natural scenes

DH Foster, K Amano, SMC Nascimento - Vision research, 2016 - Elsevier
… Variation in spatial cone-excitation ratios with natural scene illumination geometry. …
Although for the sake of completeness, data from unaveraged Sameiro hyperspectral images are …

[HTML][HTML] Spatial distributions of local illumination color in natural scenes

SMC Nascimento, K Amano, DH Foster - Vision research, 2016 - Elsevier
… radiance data from 30 natural scenes in … Spatial cone excitation ratios obtained with this
technique are almost invariant (Nascimento et al., 2002), and mean relative deviations in ratios

Misidentifying illuminant changes in natural scenes due to failures in relational colour constancy

SMC Nascimento, DH Foster - Proceedings of the …, 2023 - royalsocietypublishing.org
natural scenes and whether they are due to failures in relational colour constancy. Pairs of
scene images from hyperspectral data … larger deviations in spatial cone-excitation ratios and …

Statistics of colors in paintings and natural scenes

C Montagner, JMM Linhares, M Vilarigues… - JOSA A, 2016 - opg.optica.org
spatial statistical properties characteristic of natural images? A hypothesis is that the artists
reproduce statistical … Axis ratios, angular position of the major axis, and areas were estimated. …

[PDF][PDF] Computational Luminance Constancy from Natural

V Singh, J Burge - scholar.archive.org
… of the task-relevant statistical 84 structure of natural scenes. The … of the three cone excitation
images similar across cone … Indeed, aspects of spatial 282 structure of the training images

Computational luminance constancy from naturalistic images

V Singh, NP Cottaris, BS Heasly, DH Brainard… - Journal of …, 2018 - jov.arvojournals.org
… of the task-relevant statistical structure of natural scenes. … To make the magnitude of the
three cone excitation images … Indeed, aspects of spatial structure of the training images can be …

Contrast-dependent red-green balance shifts depend on S-cone activity

T DeLawyer, M Tayon, C Yu, SL Buck - JOSA A, 2018 - opg.optica.org
… Our past data show a strong role for saturation in brown induction [3], which we thought …
natural scenes bright and dark portions are found to contain differing ratios of L/M cone excitation

[HTML][HTML] On the second order spatiochromatic structure of natural images

E Provenzi, J Delon, Y Gousseau, B Mazin - Vision research, 2016 - Elsevier
… , we also provide novel data to support an exponential decay … contain strong spatial correlation,
since nearby points are … The eigenvector transformation of the cone excitation values L , …

A quantitative description of macaque ganglion cell responses to natural scenes: the interplay of time and space

M Schottdorf, BB Lee - The Journal of physiology, 2021 - Wiley Online Library
… A clear response peak associated with S cone excitation is … -to-noise ratio in responses by
calculating the ratio of the peak … , during free viewing of natural scenes a mean drift rate of ca. …

Colour constancy failures expected in colourful environments

DH Foster, A Reeves - Proceedings of the Royal Society …, 2022 - royalsocietypublishing.org
… saturation with natural scenes [57]. Because deviations in spatial cone-excitation ratios refer
… The main reporting statistics for the 50 scenes are (1) the proportion of scenes in which the …