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Sådan skal svinet skæres
Bjarne Kjær Ersbøll
DTU Compute
Danmarks Tekniske Universitet
22/5-2013SummIT 2013, Axelborg2 DTU Compute, Danmarks Tekniske Universitet
Baggrund
• 25 mill svin om året
• 10 ører mindsket spild/bedre udnyttelse per svin = 2.5 MKr!
2
22/5-2013SummIT 2013, Axelborg3 DTU Compute, Danmarks Tekniske Universitet
22/5-2013SummIT 2013, Axelborg4 DTU Compute, Danmarks Tekniske Universitet
3
22/5-2013SummIT 2013, Axelborg5 DTU Compute, Danmarks Tekniske Universitet
22/5-2013SummIT 2013, Axelborg6 DTU Compute, Danmarks Tekniske Universitet
4
22/5-2013SummIT 2013, Axelborg7 DTU Compute, Danmarks Tekniske Universitet
22/5-2013SummIT 2013, Axelborg8 DTU Compute, Danmarks Tekniske Universitet
5
22/5-2013SummIT 2013, Axelborg9 DTU Compute, Danmarks Tekniske Universitet
Hounsfield skalaen
-100 ~ Fedt
+100 ~ Kød
+400 ~ Knogle
22/5-2013SummIT 2013, Axelborg10 DTU Compute, Danmarks Tekniske Universitet
6
22/5-2013SummIT 2013, Axelborg11 DTU Compute, Danmarks Tekniske Universitet
11
Spatial classifier – Owen-Hjort-Mohn
• Neigbourhood: the cross
N
W C E
S
22/5-2013SummIT 2013, Axelborg12 DTU Compute, Danmarks Tekniske Universitet
12
Spatial classifier – Owen-Hjort-Mohn
• g is probability of certain class-configuration of arms given center-class
(K4)
• h is joint-prob. density of feature vectors of arm pixels given center-
featurevector and classes of all pixels
7
22/5-2013SummIT 2013, Axelborg13 DTU Compute, Danmarks Tekniske Universitet
13
Spatial classifier – Owen-Hjort-Mohn
N
W C E
S
22/5-2013SummIT 2013, Axelborg14 DTU Compute, Danmarks Tekniske Universitet
14
Spatial classifier – Owen-Hjort-Mohn
N
W C E
S
8
22/5-2013SummIT 2013, Axelborg15 DTU Compute, Danmarks Tekniske Universitet
15
Spatial classifier – Owen-Hjort-Mohn
• Neighbourhood: restrict possible configurations
• “X” “T” “L”
• E.g.: 80% 12% 8%
• = and =2 estimated from time series analysis.
• E.g. =0.81, =0.98
A
A A A
A
B
A A A
A
A
B A A
B
22/5-2013SummIT 2013, Axelborg16 DTU Compute, Danmarks Tekniske Universitet
Statistisk form-beskrivelse
9
22/5-2013SummIT 2013, Axelborg17 DTU Compute, Danmarks Tekniske Universitet
Face AAM
• Training set
– 35 face images annotated with 58 landmarks
• Active Appearance Model
– RGB texture model sampled at 30.000 positions
– 28 model parameters span 95% variation
Model meshAnnotationTraining image Shape-compensation
22/5-2013SummIT 2013, Axelborg18 DTU Compute, Danmarks Tekniske Universitet
Modelling shape
and texture
Generalized Procrustes Analysis
Shape representation
Principal component analysis – PCA
Parameterisation
Texture representation
10
22/5-2013SummIT 2013, Axelborg19 DTU Compute, Danmarks Tekniske Universitet
Statistisk form-beskrivelse
PC 1 PC 2 PC 3
22/5-2013SummIT 2013, Axelborg20 DTU Compute, Danmarks Tekniske Universitet
Statistisk form-
beskrivelse
11
22/5-2013SummIT 2013, Axelborg21 DTU Compute, Danmarks Tekniske Universitet
Design af værktøj
22/5-2013SummIT 2013, Axelborg22 DTU Compute, Danmarks Tekniske Universitet
12
22/5-2013SummIT 2013, Axelborg23 DTU Compute, Danmarks Tekniske Universitet
22/5-2013SummIT 2013, Axelborg24 DTU Compute, Danmarks Tekniske Universitet
13
22/5-2013SummIT 2013, Axelborg25 DTU Compute, Danmarks Tekniske Universitet
22/5-2013SummIT 2013, Axelborg26 DTU Compute, Danmarks Tekniske Universitet
Modelleret elasticitet
using steel markers
14
22/5-2013SummIT 2013, Axelborg27 DTU Compute, Danmarks Tekniske Universitet
22/5-2013SummIT 2013, Axelborg28 DTU Compute, Danmarks Tekniske Universitet
Emulsioner – NEXIM – 3 røntgen modaliteter
Raw
Cooked
Absorption Phase Contrast Dark Field
15
22/5-2013SummIT 2013, Axelborg29 DTU Compute, Danmarks Tekniske Universitet

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"Sådan skal svinet skæres" af Bjarne Kjær Ersbøll, DTU

  • 1. 1 Sådan skal svinet skæres Bjarne Kjær Ersbøll DTU Compute Danmarks Tekniske Universitet 22/5-2013SummIT 2013, Axelborg2 DTU Compute, Danmarks Tekniske Universitet Baggrund • 25 mill svin om året • 10 ører mindsket spild/bedre udnyttelse per svin = 2.5 MKr!
  • 2. 2 22/5-2013SummIT 2013, Axelborg3 DTU Compute, Danmarks Tekniske Universitet 22/5-2013SummIT 2013, Axelborg4 DTU Compute, Danmarks Tekniske Universitet
  • 3. 3 22/5-2013SummIT 2013, Axelborg5 DTU Compute, Danmarks Tekniske Universitet 22/5-2013SummIT 2013, Axelborg6 DTU Compute, Danmarks Tekniske Universitet
  • 4. 4 22/5-2013SummIT 2013, Axelborg7 DTU Compute, Danmarks Tekniske Universitet 22/5-2013SummIT 2013, Axelborg8 DTU Compute, Danmarks Tekniske Universitet
  • 5. 5 22/5-2013SummIT 2013, Axelborg9 DTU Compute, Danmarks Tekniske Universitet Hounsfield skalaen -100 ~ Fedt +100 ~ Kød +400 ~ Knogle 22/5-2013SummIT 2013, Axelborg10 DTU Compute, Danmarks Tekniske Universitet
  • 6. 6 22/5-2013SummIT 2013, Axelborg11 DTU Compute, Danmarks Tekniske Universitet 11 Spatial classifier – Owen-Hjort-Mohn • Neigbourhood: the cross N W C E S 22/5-2013SummIT 2013, Axelborg12 DTU Compute, Danmarks Tekniske Universitet 12 Spatial classifier – Owen-Hjort-Mohn • g is probability of certain class-configuration of arms given center-class (K4) • h is joint-prob. density of feature vectors of arm pixels given center- featurevector and classes of all pixels
  • 7. 7 22/5-2013SummIT 2013, Axelborg13 DTU Compute, Danmarks Tekniske Universitet 13 Spatial classifier – Owen-Hjort-Mohn N W C E S 22/5-2013SummIT 2013, Axelborg14 DTU Compute, Danmarks Tekniske Universitet 14 Spatial classifier – Owen-Hjort-Mohn N W C E S
  • 8. 8 22/5-2013SummIT 2013, Axelborg15 DTU Compute, Danmarks Tekniske Universitet 15 Spatial classifier – Owen-Hjort-Mohn • Neighbourhood: restrict possible configurations • “X” “T” “L” • E.g.: 80% 12% 8% • = and =2 estimated from time series analysis. • E.g. =0.81, =0.98 A A A A A B A A A A A B A A B 22/5-2013SummIT 2013, Axelborg16 DTU Compute, Danmarks Tekniske Universitet Statistisk form-beskrivelse
  • 9. 9 22/5-2013SummIT 2013, Axelborg17 DTU Compute, Danmarks Tekniske Universitet Face AAM • Training set – 35 face images annotated with 58 landmarks • Active Appearance Model – RGB texture model sampled at 30.000 positions – 28 model parameters span 95% variation Model meshAnnotationTraining image Shape-compensation 22/5-2013SummIT 2013, Axelborg18 DTU Compute, Danmarks Tekniske Universitet Modelling shape and texture Generalized Procrustes Analysis Shape representation Principal component analysis – PCA Parameterisation Texture representation
  • 10. 10 22/5-2013SummIT 2013, Axelborg19 DTU Compute, Danmarks Tekniske Universitet Statistisk form-beskrivelse PC 1 PC 2 PC 3 22/5-2013SummIT 2013, Axelborg20 DTU Compute, Danmarks Tekniske Universitet Statistisk form- beskrivelse
  • 11. 11 22/5-2013SummIT 2013, Axelborg21 DTU Compute, Danmarks Tekniske Universitet Design af værktøj 22/5-2013SummIT 2013, Axelborg22 DTU Compute, Danmarks Tekniske Universitet
  • 12. 12 22/5-2013SummIT 2013, Axelborg23 DTU Compute, Danmarks Tekniske Universitet 22/5-2013SummIT 2013, Axelborg24 DTU Compute, Danmarks Tekniske Universitet
  • 13. 13 22/5-2013SummIT 2013, Axelborg25 DTU Compute, Danmarks Tekniske Universitet 22/5-2013SummIT 2013, Axelborg26 DTU Compute, Danmarks Tekniske Universitet Modelleret elasticitet using steel markers
  • 14. 14 22/5-2013SummIT 2013, Axelborg27 DTU Compute, Danmarks Tekniske Universitet 22/5-2013SummIT 2013, Axelborg28 DTU Compute, Danmarks Tekniske Universitet Emulsioner – NEXIM – 3 røntgen modaliteter Raw Cooked Absorption Phase Contrast Dark Field
  • 15. 15 22/5-2013SummIT 2013, Axelborg29 DTU Compute, Danmarks Tekniske Universitet