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Table 3 Volumes of the original and deformed contours and dice similarity coefficients (bladder)

From: Assessing cumulative dose distributions in combined radiotherapy for cervical cancer using deformable image registration with pre-imaging preparations

  

Original contour (cm3)

Deformed contour (cm3)

Original contour deformed contour (cm3)

DSC by DIR

DSC by rigid fusion

Case1

DIR1

191.2

237.9

178.2

0.86

0.83

DIR2

-

138.1

132.0

0.85

0.84

DIR3

-

276.4

177.7

0.88

0.82

 

Mean

   

0.86

0.83

Case2

DIR1

463.7

392.4

365.2

0.89

0.53

DIR2

-

434.6

121.0

0.92

0.54

DIR3

-

370.3

350.6

0.90

0.50

 

Mean

   

0.86

0.52

Case3

DIR1

231.7

411.3

223.6

0.89

0.79

DIR2

-

540.3

386.0

0.59

0.48

DIR3

-

213.9

229.4

0.93

0.82

 

Mean

   

0.80

0.70

Case4

DIR1

337.7

204.5

196.0

0.90

0.57

DIR2

-

184.7

171.5

0.91

0.60

DIR3

-

313.5

302.1

0.93

0.72

 

Mean

   

0.91

0.63

Case5

DIR1

155.9

143.0

134.2

0.89

0.77

DIR2

-

156.2

141.1

0.91

0.83

DIR3

-

207.9

148.8

0.80

0.70

 

Mean

    

0.77

Total

Mean±SD

   

0.87 ± 0.09

0.69± 0.14 p <0.05