Table
1
Levels
of color constancy from some experimental studies. Average constancy
indices CI and Brunswik ratios BR are
tabulated against experimental method, stimulus configuration,
illuminants,
judgment by subject, experimental apparatus, illuminant change, cues
other than
those defined by the experimental method, constraints on stimulus
variation,
the number of subjects N, and source of
data. Values of CI
and BR are averages over subjects and conditions, with some entries
estimated
from published figures. Not all entries were calculated exactly as in
Section
4.1 of Foster (2011),
but they retain the properties that CI values cannot
exceed unity
and BR
values can. See text for further details.
Experimental
method |
Stimulus
configuration |
Illuminants
|
Judgment |
Experimental
apparatus |
Illuminant
change |
Other
cues |
Constraints |
N |
CI |
BR |
|
Source |
|
|||||||||||||||||||||||||||||||||||||
Simultaneous
asymmetric
matching |
|
|||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
Chromaticity |
3 |
0.52 |
|
|
Arend
and Reeves (1986,
Fig. 4) |
||||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
hue, saturation |
Monitor |
Spectral
product |
|
Chromaticity |
3 |
0.20 |
|
|
Arend
and Reeves (1986,
Fig. 4) |
||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||||||||||||||||||||||||||||||||||
|
2D
patch in surround |
Daylights,
others |
Same
hue, saturation |
Monitor |
Spectral
product |
|
Chromaticity |
4 |
0.30 |
|
|
Tiplitz
Blackwell and Buchsbaum (1988,
Tables 1,3,6,8,10) |
||||||||||||||||||||||||||||||||||||||
|
2D
patch in far surround |
Daylights,
others |
Same
hue, saturation |
Monitor |
Spectral
product |
|
Chromaticity |
4 |
0.15 |
|
|
Tiplitz
Blackwell and Buchsbaum (1988,
Tables 1,3,6,8,10) |
||||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
|
4 |
0.44 |
|
|
Arend
et al. (1991,
Fig. 7) |
||||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
hue, saturation, |
Monitor |
Spectral
product |
|
|
4 |
0.18 |
|
|
Arend
et al. (1991,
Fig. 7) |
||||||||||||||||||||||||||||||||||||||
|
2D
patch in surround |
Daylights |
Same
paper |
Monitor |
Spectral
product |
Gray
surround |
|
3 |
0.35 |
|
|
Arend
et al. (1991,
Fig. 9) |
||||||||||||||||||||||||||||||||||||||
|
2D
patch in surround |
Daylights |
Same
hue, saturation, |
Monitor |
Spectral
product |
Gray
surround |
|
3 |
0.11 |
|
|
Arend
et al. (1991,
Fig. 9) |
||||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Colored
lights |
Same
paper[a] |
Monitor |
von
Kries shift |
Gray
background |
Chromaticity |
14 |
0.81 |
0.82 |
|
Troost
and de Weert (1991,
Table 2) |
||||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Colored
lights |
Same
hue, |
Monitor |
von
Kries shift |
Gray
background |
Chromaticity |
14 |
0.46 |
0.46 |
|
Troost
and de Weert (1991,
Table 2) |
||||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Monitor[b] |
von
Kries shift |
|
Chromaticity |
5 |
0.37 |
|
|
Cornelissen
and Brenner (1995,
Fig. 4B) |
||||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
hue, saturation |
Monitorb |
von
Kries shift |
|
Chromaticity |
5 |
0.18 |
|
|
Cornelissen
and Brenner (1995,
Fig. 4B) |
||||||||||||||||||||||||||||||||||||||
|
3D
room |
Colored
lights |
Undifferentiated
color |
Illuminated
surfaces |
Physical
reflection |
Gray
room |
|
5 |
0.61 |
|
|
Brainard
et al. (1997,
Table 3) |
||||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Monitor |
Approx.
spectral product |
|
|
8 |
0.79 |
|
|
Bäuml
(1999,
pp 1537,1541) |
||||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
hue, saturation, |
Monitor |
Approx.
spectral product |
|
|
6 |
0.23 |
|
|
Bäuml
(1999,
pp 1537,1541) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
|
20 |
0.60 |
|
|
Foster,
Amano, et al. (2001,
Table 2) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
Chromaticity |
20 |
0.66 |
|
|
Foster,
Amano, et al. (2001,
Table 2) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
|
11 |
0.74 |
|
|
Amano
and Foster (2004,
Table 1) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement, |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
|
11 |
0.70 |
|
|
Amano
and Foster (2004,
Table 1) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement, |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
|
11 |
0.75 |
|
|
Amano
and Foster (2004,
Table 2) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau |
Daylight
metamers |
Same
paper |
Illuminated
surfaces |
Physical
reflection |
Gray
background |
|
4 |
0.86 |
|
|
de
Almeida et al. (2004, Fig. 5) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau |
Daylight,
colored lights |
Undifferentiated |
Stereo
monitor |
Spectral
product |
Gray
background |
|
4 |
0.23 |
|
|
Delahunt
and Brainard (2004,
Fig. 11) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
|
6 |
0.73 |
|
|
Amano
et al. (2005,
Table 1) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
pair[c] |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
|
6 |
0.72 |
|
|
Amano
et al. (2005,
Table 1) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau |
Colored
lights |
Physical
match |
Illuminated
surfaces |
Physical
reflection |
|
|
7 |
|
0.84 |
|
Granzier
et al. (2009,
Fig. 7) |
|
|||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
Dichoptic
simultaneous |
|
|||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights,
other |
Undifferentiated
color match |
Monitor |
Spectral
product |
|
Chromaticity |
3 |
|
0.89[d] |
|
Bramwell
and Hurlbert (1996,
Table 2) |
|
|||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
Successive
asymmetric matching |
|
|
||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Colored
lights |
Same
papera |
Monitor |
von
Kries shift |
Gray
background |
Chromaticity |
8 |
0.59 |
1.38 |
|
Troost
and de Weert (1991,
Table 3) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Colored
lights |
Same
hue, |
Monitor |
von
Kries shift |
Gray
background |
Chromaticity |
8 |
0.41 |
0.42 |
|
Troost
and de Weert (1991,
Table 3) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
|
20 |
0.69 |
|
|
Foster,
Amano, et al. (2001,
Table 2) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Monitor |
Spectral
product |
|
Chromaticity |
20 |
0.75 |
|
|
Foster,
Amano, et al. (2001,
Table 2) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylight,
tungsten |
Same
hue, saturation, |
Monitor |
Spectral
product |
|
Chromaticity |
3 |
|
0.50 |
|
Barbur
et al. (2004, Fig. 2b) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in surround |
Daylight,
tungsten |
Same
hue, saturation, |
Monitor |
Spectral
product |
Gray
surround |
Chromaticity |
3 |
|
0.44 |
|
Barbur
et al. (2004, Fig. 2b) |
|
|||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
Successive
asymmetric |
|
|||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Illuminated
surfaces |
Physical
reflection |
Gray
background |
|
4 |
0.69 |
|
|
Kuriki
and Uchikawa (1996,
Fig. 6) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
hue, saturation, |
Illuminated
surfaces |
Physical
reflection |
Gray
background |
|
4 |
0.56 |
|
|
Kuriki
and Uchikawa (1996,
Fig. 6) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in background |
Colored
lights |
Undifferentiated
color match |
Illuminated
surfaces |
Physical
reflection |
Gray
background |
|
6 |
0.46-0.63[e] |
|
Kulikowski
and Vaitkevicius (1997,
Fig. 3) |
|
||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
Dichoptic
successive |
|
|||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
paper |
Illuminated
surfaces |
Physical
reflection |
Gray
background |
|
4 |
0.77 |
|
|
Kuriki
and Uchikawa (1996,
Fig. 8) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
hue, saturation, |
Illuminated
surfaces |
Physical
reflection |
Gray
background |
|
4 |
0.72 |
|
|
Kuriki
and Uchikawa (1996,
Fig. 8) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
hue, saturation, |
Monitor |
Spectral
product |
|
|
3 |
0.69 |
|
|
Lucassen
and Walraven (1996,
Table 3) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Metamers[f] |
Same
hue, saturation, |
Monitor |
Spectral
product |
|
|
3 |
0.47 |
|
|
Lucassen
and Walraven (1996,
Table 3) |
|
|||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
Successive
asymmetric |
|
|||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights, |
Physical
match |
Illuminated
surfaces |
Physical
reflection |
Gray
background |
|
2 |
0.64[g] |
|
|
Uchikawa
et al. (1998,
Fig. 5) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights,
others |
Same
papera |
Monitor |
Approx.
spectral product |
|
|
3 |
<0.44 |
|
|
Nieves,
García-Beltrán, and Romero (2000,
p. 55) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in 120-deg background |
Daylights, |
Undifferentiated |
Monitor |
Spectral
product |
Gray
background |
|
4 |
0.91 |
|
|
Murray
et al. (2006, Fig. 7B) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in background |
Daylight
metamers, others |
Physical
match |
Illuminated
surfaces |
Physical
reflection |
White
background |
Samples |
7 |
0.92a,[h] |
|
|
Ling
and Hurlbert (2008,
Table 6) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau |
Daylights,
others |
Same
paper |
Illuminated
surfaces |
Physical
reflection |
White
background |
Samples |
28 |
|
0.79[i] |
|
Hedrich
et al. (2009,
p. 12) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights,
others |
Same
paper |
Illuminated
surfaces |
Physical
reflection |
|
Samples |
28 |
|
0.58i |
|
Hedrich
et al. (2009,
p. 12) |
|
|||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
Color
naming and related |
|
|||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in background |
Colored
lights |
From
12 colors |
Monitor |
von
Kries shift |
Gray
background |
|
30 |
0.65 |
0.65 |
|
Troost
and de Weert (1991,
Table 4) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
From
unique hues and gray |
Monitor |
Spectral
product |
|
Chromaticity |
2 |
0.66 |
|
|
Arend
(1993,
Fig. 8) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in surround |
Daylights |
From
unique hues and gray |
Monitor |
Spectral
product |
Gray
surround |
Chromaticity |
2 |
0.70 |
|
|
Arend
(1993,
Fig. 8) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in void |
Daylights |
From
unique hues and gray |
Monitor |
Spectral
product |
|
Chromaticity |
2 |
0.63 |
|
|
Arend
(1993,
Fig. 8) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
From
4 colors |
Monitor |
Spectral
product |
Global
illuminant |
|
3 |
|
0.83[j] |
|
Smithson
and Zaidi (2004,
Fig. 5) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
From
4 colors |
Monitor |
Spectral
product |
Test
illuminant |
|
2 |
|
0.86j |
|
Smithson
and Zaidi (2004,
Fig. 12) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau |
Daylights,
colored lights |
From
4 colors, |
Stereo
monitor |
Spectral
product |
|
|
5 |
0.70 |
|
|
Schultz
et al. (2006,
Table 3) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in background |
Neutral
and colored lights |
From
8 colors |
Monitor |
Chromatic
shift |
Gray
background |
|
11 |
|
0.99j |
|
Hansen
et al. (2007, Fig. 5b) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in far surround |
Neutral
and colored lights |
From
8 colors |
Monitor |
Chromatic
shift |
Gray
surround |
|
11 |
|
0.49[k] |
|
Hansen
et al. (2007, Fig. 5b) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in background |
Neutral
and colored lights |
From
8 colors |
Monitor |
Spectral
product |
Gray
background |
|
4 |
|
0.75j |
|
Olkkonen
et al. (2009,
Fig. 10) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
patch in background |
Neutral
and colored lights |
Gray |
Monitor |
Spectral
product |
Gray
background |
|
4 |
|
0.94[l] |
|
Olkkonen
et al. (2009,
Fig. 10) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
fruit images |
Colored
lights |
Typical
color |
Monitor |
Chromatic
shift |
Gray
background |
Chromaticity |
10 |
|
0.76 |
|
Olkkonen
et al. (2008, Fig. 7A) |
|
|||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
Achromatic
adjustment |
|
|||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
|
3D
room |
Colored
lights |
Achromatic |
Illuminated
surfaces |
Physical
reflection |
Gray
room |
Chromaticity |
5 |
0.85 |
|
|
Brainard
(1998,
Table 2) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau |
Colored
lights |
Achromatic |
Illuminated
surfaces |
Physical
reflection |
Gray
chamber |
Chromaticity |
4 |
0.83[m] |
|
|
Kraft
and Brainard (1999,
p. 310) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau |
Daylight,
tungsten |
Achromatic |
Stereo
monitor |
Spectral
product |
Specularity |
Chromaticity |
3 |
|
0.45 |
|
Yang
and Shevell (2002,
Fig. 8) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau, no stereo |
Daylight,
tungsten |
Achromatic |
Stereo
monitor |
Spectral product |
Specularity
|
Chromaticity |
3 |
|
0.32 |
|
Yang
and Shevell (2002,
Fig. 8) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau |
Daylight,
tungsten |
Achromatic |
Stereo
monitor |
Spectral product |
|
Chromaticity |
3 |
|
0.28 |
|
Yang
and Shevell (2002,
Fig. 8) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau, |
Colored
lights |
Achromatic |
Illuminated
surfaces |
Physical
reflection |
Gray
wall |
Chromaticity |
10 |
|
0.86 |
|
Kraft
et al. (2002, p. 255) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau, |
Colored
lights |
Achromatic |
Illuminated
surfaces |
Physical
reflection |
Gray
wall |
Chromaticity |
10 |
|
0.87 |
|
Kraft
et al. (2002,
p. 255) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau |
Daylight,
colored lights |
Achromatic |
Stereo
monitor |
Spectral
product |
Gray
background |
Chromaticity |
7 |
0.73 |
|
|
Delahunt
and Brainard (2004,
Fig. 7) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Neutral
and colored lights |
Achromatic |
Stereo monitor |
Chromatic
shift |
|
|
2 |
|
0.69 |
|
Werner
(2006,
Fig. 2) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement, test in depth |
Neutral
and colored lights |
Achromatic |
Stereo monitor |
Chromatic
shift |
|
|
2 |
|
0.61 |
|
Werner
(2006,
Fig. 2) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement, moving test |
Neutral
and colored lights |
Achromatic |
Monitor |
Chromatic
shift |
|
|
3 |
|
0.82 |
|
Werner
(2007,
Fig. 7) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement, static test |
Neutral
and colored lights |
Achromatic |
Monitor |
Chromatic
shift |
|
|
3 |
|
0.63 |
|
Werner
(2007,
Fig. 7) |
|
|||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
Successive
illuminant- |
|
|||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
|
3D
object, uniform surround |
Daylight
metamers |
Same
material |
Illuminated
surfaces |
Physical
reflection |
|
Chromaticity |
4 |
0.80 |
|
|
Nascimento,
de Almeida, et al. (2005,
Fig. 2b) |
|
|||||||||||||||||||||||||||||||||||||
|
3D
object, complex surround |
Daylight
metamers |
Same
material |
Illuminated
surfaces |
Physical
reflection |
|
Chromaticity |
4 |
0.79[n] |
|
|
Nascimento,
de Almeida, et al. (2005,
Fig. 2b) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
natural scenes |
Daylights |
Same
material |
Monitor |
Spectral
product |
Sky,
sphere |
Chromaticity |
12 |
0.71 |
|
|
Amano
et al. (2006,
Fig. 3, 4) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
natural scenes |
Daylights |
Same
material |
Monitor |
Spectral
product |
|
Chromaticity |
12 |
0.69-0.97[o] |
|
Foster,
Amano, and Nascimento (2006,
Fig. 3) |
|
||||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Illuminant
change |
Monitor |
von
Kries shift |
|
|
5 |
0.74[p] |
|
|
van
Es et al. (2007,
p. 151) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
hue, saturation, |
Monitor |
von
Kries shift |
|
|
5 |
0.23p |
|
|
van
Es et al. (2007,
p. 151) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Material
appearance |
Monitor |
Spectral
product |
|
Daylight
locus |
8 |
0.75 |
|
|
Reeves
et al. (2008,
Table 2) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Hue-saturation |
Monitor |
Spectral
product |
|
Daylight
locus |
8 |
0.35 |
|
|
Reeves
et al. (2008,
Table 2) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
multielement |
Daylights |
Same
material |
Monitor |
Spectral
product |
|
Daylight
locus |
8 |
0.77 |
|
|
Reeves
et al. (2008,
Table 2) |
|
|||||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||||||||||||||||||
|
3D
tableau |
Daylight
metamers |
Same
material |
Illuminated
surfaces |
Physical
reflection |
|
Chromaticity |
4 |
0.85 |
|
|
de
Almeida et al. (2010, Fig. 5) |
|
|||||||||||||||||||||||||||||||||||||
|
2D
projection[q] |
Daylight
metamers |
Same
material |
Illuminated
surfaces |
Physical
reflection |
|
Chromaticity |
4 |
0.83 |
|
|
de
Almeida et al. (2010, Fig. 5) |
|
|||||||||||||||||||||||||||||||||||||
REFERENCES
[b] Eye movements also recorded.
[c] Same size patches as in multielement array.
[d] Bias-corrected ratio 0.91.
[e] Range over 40 Munsell hues.
[f] Daylights vs. two monochromatic lights.
[g] Excluding data with no illuminant shift.
[h] Eliminates memory shift.
[i] Relative to memory shift; also 40% subjects excluded.
[j] Fitted color-classification boundaries.
[k] Fitted neutral convergence point.
[l] Gray-category centroid.
[m] Control condition.
[n] Average of 2 scene types.
[o] Range over 21 scenes.
[p] Ratio of responses.