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21
Healthy
Disease (1)
(a)

Original
(b)

Grayscale
(c)

Colored
(d)

CIEDE2000
(f)
Residual
(e)

AnoGAN output
RGB Grayscale
GeneratorG
U-net
Discriminator
Normal Data
Real or Fake
Real pair Fake pair
Convert
Model Training (Pix2pix learns color reconstruction)
RGB Grayscale
Unseen Data
Convert
Anomaly Detection
Pix2pix Color Reconstructor
Reconstructed by pix2pix
CIEDE 2000 Color Difference
Anomalies
Reconstruct
Ig<latexit sha1_base64="ypjdIlUEGv+lS4tVsJCqaFPjI9M=">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</latexit>
Ic<latexit sha1_base64="i9s61+eQmGTKGkZo5a4UNkUnBpo=">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</latexit>
G(Ig)<latexit sha1_base64="RxhJHYxaev/TJTHPge/qWgb1lD8=">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</latexit>
Ig<latexit sha1_base64="ypjdIlUEGv+lS4tVsJCqaFPjI9M=">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</latexit>
Ig<latexit sha1_base64="ypjdIlUEGv+lS4tVsJCqaFPjI9M=">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</latexit>
Ic<latexit sha1_base64="i9s61+eQmGTKGkZo5a4UNkUnBpo=">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</latexit>
ˆI0
c<latexit sha1_base64="M2glWKhKK6TfvUibMihNJotcM+I=">AAACd3ichVHLSsNAFD2N7/qquhFcKJbWrspEBcVVwY3u6qOtYEtJ0mkbmiYhmRY19Af8AReCoCAqfoYbf8CFnyAuFURw4U1aEC3qDZk5c+aeO2fmqrahu4Kxx5DU09vXPzA4FB4eGR0bj0xMZl2r4Wg8o1mG5eypissN3eQZoQuD79kOV+qqwXNqbd3fzzW54+qWuSsObV6oKxVTL+uaIogqRibzqmWUvHxVEd7mQqtV1MLFSJQlWRBz3UDugCg6kbYiV8ijBAsaGqiDw4QgbECBS98+ZDDYxBXgEecQ0oN9jhbCpG1QFqcMhdgajRVa7XdYk9Z+TTdQa3SKQb9DyjnE2AO7YS/snt2yJ/bxay0vqOF7OaRZbWu5XRw/nt55+1dVp1mg+qX607NAGauBV5282wHj30Jr65tHJy87a9sxL84u2DP5P2eP7I5uYDZftcstvn0KvwHyz+fuBtnFpLyUXNxajqbSqXYrBjGDeSTovVeQwgbSyNC5BzjDFa5D79KsFJcS7VQp1GnfFL6FJH8C5DKRbw==</latexit>
I0
c<latexit sha1_base64="vQGyz5r2ndomxqKInXuPP4SrreA=">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</latexit>
˜Ic<latexit sha1_base64="JkflUb1+jftzL6t7L1IVfhRLFIE=">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</latexit>
AnoGAN anomaly scoreCIEDE2000 anomaly score
32
42
53
6
73
RGB Grayscale
GeneratorG
U-net
Discriminator
Normal Data
Real or Fake
Real pair Fake pair
Convert
Model Training (Pix2pix learns color reconstruction)
RGB Grayscale
Unseen Data
Convert
Anomaly Detection
Pix2pix Color Reconstructor
Reconstructed by pix2pix
CIEDE 2000 Color Difference
Anomalies
Reconstruct
Ig<latexit sha1_base64="ypjdIlUEGv+lS4tVsJCqaFPjI9M=">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</latexit>
Ic<latexit sha1_base64="i9s61+eQmGTKGkZo5a4UNkUnBpo=">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</latexit>
G(Ig)<latexit sha1_base64="RxhJHYxaev/TJTHPge/qWgb1lD8=">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</latexit>
Ig<latexit sha1_base64="ypjdIlUEGv+lS4tVsJCqaFPjI9M=">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</latexit>
Ig<latexit sha1_base64="ypjdIlUEGv+lS4tVsJCqaFPjI9M=">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</latexit>
Ic<latexit sha1_base64="i9s61+eQmGTKGkZo5a4UNkUnBpo=">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</latexit>
ˆI0
c<latexit sha1_base64="M2glWKhKK6TfvUibMihNJotcM+I=">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</latexit>
I0
c<latexit sha1_base64="vQGyz5r2ndomxqKInXuPP4SrreA=">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</latexit>
˜Ic<latexit sha1_base64="JkflUb1+jftzL6t7L1IVfhRLFIE=">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</latexit>
Ic Ig
Ic Ig
G : Ig ↦ Ic
Ic Ig true
Ic G(Ig) fake
D
84
G(x)
x
y
x
RGB Grayscale
Unseen Data
Convert
Anomaly Detection
Pix2pix Color Reconstructor
Reconstructed by pix2pix
CIEDE 2000 Color Difference
Anomalies
Reconstruct
ˆI0
c<latexit sha1_base64="M2glWKhKK6TfvUibMihNJotcM+I=">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</latexit>
I0
c<latexit sha1_base64="vQGyz5r2ndomxqKInXuPP4SrreA=">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</latexit>
˜Ic<latexit sha1_base64="JkflUb1+jftzL6t7L1IVfhRLFIE=">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</latexit>
G
I′c
̂I′c
di I′c(xi) ̂I′c(xi)
˜Ic
,
ΔdCIEDE2000 =
(
ΔL′
kL ⋅ SL
)
2
+
(
ΔC′
kC ⋅ SC )
2
+
(
ΔH′
kH ⋅ SH
)
2
+ RT
(
ΔC′
kC ⋅ SC ) (
ΔH′
kH ⋅ SH
)
Gaurav Sharma,“The CIEDE2000 Color-Difference Formula: Implementation Notes, Supplementary Test
Data, and Mathematical Observations”
10
76
76
100
11
12
F1 AUC
0.94 0.94 0.94 0.99
AnoGAN 0.92 0.92 0.92 0.97
13
Carpet 280 28 89
Leather 245 32 92
Pill 267 26 141
Tile 230 33 84
Wood 247 19 60
Carpet Leather Pill Tile Wood
14
Carpet Leather Pill Tile Wood
15
61.24 ± 17.21 ms 62.09 ± 18.33 ms
AnoGAN 3,884 ± 1,138 ms 4,574 ± 1,538 ms
17
361
336
280
18

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【MIRU2020】GANに基づくCIEDE2000異常度スコアを用いた色異常検知方法の提案

  • 1. 1
  • 2. 21 Healthy Disease (1) (a)
 Original (b)
 Grayscale (c)
 Colored (d)
 CIEDE2000 (f) Residual (e)
 AnoGAN output RGB Grayscale GeneratorG U-net Discriminator Normal Data Real or Fake Real pair Fake pair Convert Model Training (Pix2pix learns color reconstruction) RGB Grayscale Unseen Data Convert Anomaly Detection Pix2pix Color Reconstructor Reconstructed by pix2pix CIEDE 2000 Color Difference Anomalies Reconstruct Ig<latexit sha1_base64="ypjdIlUEGv+lS4tVsJCqaFPjI9M=">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</latexit> Ic<latexit 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  • 3. 32
  • 4. 42
  • 5. 53
  • 6. 6
  • 7. 73 RGB Grayscale GeneratorG U-net Discriminator Normal Data Real or Fake Real pair Fake pair Convert Model Training (Pix2pix learns color reconstruction) RGB Grayscale Unseen Data Convert Anomaly Detection Pix2pix Color Reconstructor Reconstructed by pix2pix CIEDE 2000 Color Difference Anomalies Reconstruct Ig<latexit sha1_base64="ypjdIlUEGv+lS4tVsJCqaFPjI9M=">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</latexit> Ic<latexit 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  • 8. 84 G(x) x y x RGB Grayscale Unseen Data Convert Anomaly Detection Pix2pix Color Reconstructor Reconstructed by pix2pix CIEDE 2000 Color Difference Anomalies Reconstruct ˆI0 c<latexit sha1_base64="M2glWKhKK6TfvUibMihNJotcM+I=">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</latexit> I0 c<latexit sha1_base64="vQGyz5r2ndomxqKInXuPP4SrreA=">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</latexit> ˜Ic<latexit sha1_base64="JkflUb1+jftzL6t7L1IVfhRLFIE=">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</latexit> G I′c ̂I′c di I′c(xi) ̂I′c(xi) ˜Ic ,
  • 9. ΔdCIEDE2000 = ( ΔL′ kL ⋅ SL ) 2 + ( ΔC′ kC ⋅ SC ) 2 + ( ΔH′ kH ⋅ SH ) 2 + RT ( ΔC′ kC ⋅ SC ) ( ΔH′ kH ⋅ SH ) Gaurav Sharma,“The CIEDE2000 Color-Difference Formula: Implementation Notes, Supplementary Test Data, and Mathematical Observations”
  • 11. 11
  • 12. 12 F1 AUC 0.94 0.94 0.94 0.99 AnoGAN 0.92 0.92 0.92 0.97
  • 13. 13 Carpet 280 28 89 Leather 245 32 92 Pill 267 26 141 Tile 230 33 84 Wood 247 19 60 Carpet Leather Pill Tile Wood
  • 15. 15 61.24 ± 17.21 ms 62.09 ± 18.33 ms AnoGAN 3,884 ± 1,138 ms 4,574 ± 1,538 ms
  • 16.
  • 18. 18