4D dose calculations at PSI - current status and ongoing work - GSI
4D dose calculations at PSI - current status and ongoing work - GSI
4D dose calculations at PSI - current status and ongoing work - GSI
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Simul<strong>at</strong>ed <strong>4D</strong>CT<br />
Steps for simul<strong>at</strong>ion:<br />
1. St<strong>at</strong>istical organ motion model of liver from <strong>4D</strong>MRI of test subjects<br />
2. Find correspondent points in st<strong>at</strong>ic CT d<strong>at</strong>aset suitable for model<br />
3. Cre<strong>at</strong>e continuous deform<strong>at</strong>ion fields from model<br />
4. Warp fields to CT set to cre<strong>at</strong>e <strong>4D</strong>CT<br />
Or: 1. Acquire <strong>4D</strong>MRI of p<strong>at</strong>ient <strong>and</strong> <strong>work</strong> without model<br />
Result will show motion only in a region of interest (1 st step: only liver)<br />
<strong>4D</strong> <strong>work</strong>shop Dirk Boye, December 10 th
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