Abstract #1546
Joint Reconstruction of DCE Abdominal Images
Nadine Gdaniec 1 , Andrea J. Wiethoff 2,3 , Peter Brnert 4 , Mariya Doneva 4 , Ivan Pedrosa 3,5 , and Alfred Mertins 1
1
Institute for Signal Processing, University
of Luebeck, Luebeck, Luebeck, Germany,
2
Philips
Research North America, Briarcliff Manor, New York,
United States,
3
Advanced
Imaging Research Center, UT Southwestern Medical Center,
Dallas, Texas, United States,
4
Philips
Research Laboratories, Hamburg, Germany,
5
UT
Southwestern Medical Center, Dallas, Texas, United
States
An abdominal dynamic contrast enhanced (DCE) examination
typically consists of a series of images acquired with
the same imaging sequence. The resulting images
represent the same anatomy, but differ due to contrast
agent arrival and wash-out. The contrast agent injection
can make it more difficult for the patient to hold their
breath properly, resulting in severe artifacts after
contrast injection. Data are acquired with a modified
adaptive sampling pattern, which implies higher
undersampling for shorter breath-holds. The
post-contrast images should, therefore, benefit from a
joint reconstruction of pre- and post-contrast images,
which is evaluated in this work.
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