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A stochastic approach to estimate the uncertainty of dose mapping caused by uncertainties in b-spline registration
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10.1118/1.3697524
/content/aapm/journal/medphys/39/4/10.1118/1.3697524
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/4/10.1118/1.3697524
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Exhale image taken from the 4DCT image set; (b) simulated inhale; and (c) difference image between exhale and simulated inhale image.

Image of FIG. 2.
FIG. 2.

(a) True dose mapping error as a function of Dosemax and (b) Standard deviation of the dose mapping error (ground truth) within each respective bin and thus as a function of Dosemax. The bin sizes are chosen such that the number of voxels that contribute to each histogram bin is the same. So, the bounds of the bins are not equidistant. Dose mapping error as well as Dosemax are denoted in percent of the prescribed dose.

Image of FIG. 3.
FIG. 3.

Topographic display of the dose mapping error and the estimate, black represents zero and white the maximum value that appeared in the image. (a) Transversal CT image slice, the white line in (b) shows the location of this transversal slice in the coronal view; (b) Coronal CT image slice, the white line in (a) shows the location of this coronal slice in the transversal view (c, d) dose distribution of the same slice as in (a, b); (e, f) the true dose mapping error, which is known for this test case where the ground truth of the deformation is known; and (g, h) estimate of Dosemax.

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/content/aapm/journal/medphys/39/4/10.1118/1.3697524
2012-03-29
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A stochastic approach to estimate the uncertainty of dose mapping caused by uncertainties in b-spline registration
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/4/10.1118/1.3697524
10.1118/1.3697524
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