Learning to learn and sample BRDFs - Supplemental

We showcase all images for four models, each with three methods (Here are only images at n <= 64. Please find full images in the folder).



alumina-oxide

Random
Meta
Ours
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8
16
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64
overfit
reference
Sample Count (n)

aluminium

Random
Meta
Ours
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8
16
32
64
overfit
reference
Sample Count (n)

blue-rubber

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

color-changing-paint1

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

color-changing-paint2

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

dark-blue-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

gold-metallic-paint2

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

green-metallic-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

pickled-oak-260

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

pink-fabric

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

purple-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

red-fabric2

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

silver-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

specular-blue-phenolic

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

ss440

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

teflon

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

two-layer-gold

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

two-layer-silver

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

white-diffuse-bball

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

white-fabric

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

alumina-oxide

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

aluminium

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

blue-rubber

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

color-changing-paint1

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

color-changing-paint2

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

dark-blue-paint

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

gold-metallic-paint2

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

green-metallic-paint

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

pickled-oak-260

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

pink-fabric

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

purple-paint

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

red-fabric2

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

silver-paint

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

specular-blue-phenolic

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

ss440

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

teflon

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

two-layer-gold

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

two-layer-silver

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

white-diffuse-bball

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

white-fabric

Random
Nielsen
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

alumina-oxide

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

aluminium

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

blue-rubber

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

color-changing-paint1

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

color-changing-paint2

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

dark-blue-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

gold-metallic-paint2

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

green-metallic-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

pickled-oak-260

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

pink-fabric

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

purple-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

red-fabric2

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

silver-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

specular-blue-phenolic

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

ss440

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

teflon

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

two-layer-gold

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

two-layer-silver

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

white-diffuse-bball

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

white-fabric

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

alumina-oxide

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

aluminium

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

blue-rubber

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

color-changing-paint1

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

color-changing-paint2

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

dark-blue-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

gold-metallic-paint2

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

green-metallic-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

pickled-oak-260

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

pink-fabric

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

purple-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

red-fabric2

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

silver-paint

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

specular-blue-phenolic

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

ss440

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

teflon

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

two-layer-gold

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

two-layer-silver

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

white-diffuse-bball

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

white-fabric

Random
Meta
Ours
1
2
4
8
16
32
64
overfit
reference
Sample Count (n)

Nielsen (n=2)
Ours (n=2)
Reference
bindercover
bluebook
cardboard
glossyredpaper
greencloth
notebook
paintedmetal
yellowpaper