Abstract #0865
Improved cortical bone segmentation using a spectral-spatial selective pulse to reduce water/fat in-phase echo time
Matteo Maspero 1 , Peter R. Seevinck 2 , Anna Andreychenko 1 , Sjoerd Crijns 1 , Alessandro Sbrizzi 3 , Max Viergever 2 , Jan J. W. Lagendijk 1 , and Cornelis A. T. van Den Berg 1
1
Radiotherapy, UMC Utrecht, Utrecht, Utrecht,
Netherlands,
2
Image
Sciences Institute, UMC Utrecht, Utrecht, Utrecht,
Netherlands,
3
Radiology,
UMC Utrecht, Utrecht, Utrecht, Netherlands
This paper purposes an automatic method for bone
segmentation in the pelvic region based on in-phase and
out-of-phase images acquired on a reduced TE through the
use of a custom designed spectral-spatial selective
excitation pulse. A segmentation bone mask is obtained
through a k-mean algorithm and compared with a similar
mask calculated on reference in-phase and out-of-phase
images. The suggested method shows an improvement in the
false positive reduction in the bowel area compared to
the reference bone mask and is eligible to produce good
Digitally Reconstructed Radiography.
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