fig.1 motoyoshi 2006-10-10901a [email protected]

4
Fig.1 Motoyoshi 2006-10-10901A [email protected]

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Fig.1 Motoyoshi 2006-10-10901A [email protected]. a. # pixels. 0. 0. 0.5. 1. 0.5. 1. Luminance. Luminance. b. 3. 3. Glossiness rating. Skewness. Skewness. Glossiness rating. Lightness rating. Skewness. 0. 0. Skewness. Lightness rating. -2. -2. - PowerPoint PPT Presentation

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Page 1: Fig.1 Motoyoshi  2006-10-10901A motoyosi@apollo3.brl.ntt.co.jp

Fig.1

Motoyoshi

2006-10-10901A

[email protected]

Page 2: Fig.1 Motoyoshi  2006-10-10901A motoyosi@apollo3.brl.ntt.co.jp

- 2

- 1

0

1

2

3

0 .1 1 1 0 1 0 0

0

1

2

3

4

0 . 1 1 1 0 1 0 0- 2

- 1

0

1

2

3

1 1 0 1 0 0

0

1

2

3

4

- 4 - 2 0 2 4

0

1

2

3

4

1 1 0 1 0 0

a

# p

ixe

ls

0 0.5 1 0.5 1Luminance

0

Skewness

Lig

htn

ess 

ratin

g

Glo

ssin

ess 

ratin

g

Skewness

Lig

htn

ess 

ratin

g

b

% of Diffuse reflectance

Skew

ne

ss-2

3

0

Lightness rating

Skewness

c

stucco fabricpaper

Skewness

Lig

htn

ess

ra

ting

Glo

ssin

ess

ra

ting

0

1

2

3

4

- 4 - 2 0 2 40

1

2

3

4

- 4 - 2 0 2 4

Skewness

d

Luminance

Glo

ssin

ess 

ratin

g

Specular intensity

Skew

ne

ss

-2

3

0

Glossiness

rating

Skewness

0

1

2

3

4

- 4 - 2 0 2 4

Fig.2

Motoyoshi

2006-10-10901A

[email protected]

Page 3: Fig.1 Motoyoshi  2006-10-10901A motoyosi@apollo3.brl.ntt.co.jp

On

Off

Linearfilters

non-linearity

spatialpooling

comparison

Fig.3

Motoyoshi

2006-10-10901A

[email protected]

p

Page 4: Fig.1 Motoyoshi  2006-10-10901A motoyosi@apollo3.brl.ntt.co.jp

a%

(da

rker

)

Skewness offset

pre-adapt adapt (stucco)adapt (spots)d

b

c

Luminance Luminance

% (

glos

sier

)

Skewness offset

- 1 . 5 - 1 - 0 . 5 0 0 . 5 1 1 . 5- 1 . 5 - 1 - 0 . 5 0 0 . 5 1 1 . 50

50

100

0

50

100

Fig.4

Motoyoshi

2006-10-10901A

[email protected]