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Intensity-based registration of freehand 3D ultrasound and CT-scan images of the kidney

Apr 28, 2023

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Page 1: Intensity-based registration of freehand 3D ultrasound and CT-scan images of the kidney

Intensity-Based Registration of Freehand 3D

Ultrasound and CT-scan Images of the Kidney

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Page 2: Intensity-based registration of freehand 3D ultrasound and CT-scan images of the kidney

INTRODUCTION

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Page 8: Intensity-based registration of freehand 3D ultrasound and CT-scan images of the kidney

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Page 13: Intensity-based registration of freehand 3D ultrasound and CT-scan images of the kidney

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Page 17: Intensity-based registration of freehand 3D ultrasound and CT-scan images of the kidney

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Page 18: Intensity-based registration of freehand 3D ultrasound and CT-scan images of the kidney

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Page 21: Intensity-based registration of freehand 3D ultrasound and CT-scan images of the kidney

CONCLUSION

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Appendix

Heuristic function used for shadow removal

HTU//V /$V /3W-'))%(7:&*"

/$%*11,*')"0)%;)&;&,&*1

µσ-&%1)H6TU//V /3W"2$

B3C)2TUV 3W+$T)$",%;'

),1%)%K

E

D

D;' "/

"+"+1 =+== σµ

))%K

=

−=Γ

==

==

=

+

+

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+

+

+

+

+

+

++

0

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0

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0/

?

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X?

X?

?

Page 22: Intensity-based registration of freehand 3D ultrasound and CT-scan images of the kidney

Definition of the correlation ratio

/-+%%)';%E1;%"Ω%1''*%)';%E1;%

3%"2*1'%/+ΩTU]/TW

%)';E1;;%/1*%*1%3TΩ

20 2

−= Ω∈

σ Ω∈

=2

20

2

20

−= Ω∈

σ Ω∈

=2

20

% −=

/0 XX

Y σ

σ

References

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