Towards 3D Thyroid Imaging Using Robotic Mini Gamma Cameras
Towards 3D Thyroid Imaging Using Robotic Mini Gamma Cameras
复制标题
使用机器人迷你伽玛相机进行 3D 甲状腺成像
DOI:
--
复制
发表时间:
2015
期刊:
影响因子:
--
通讯作者:
Nassir Navab
中科院分区:
文献类型:
--
作者:
Tobias Lasser;J. Gardiazabal;M. Wieczorek;P. Matthies;J. Vogel;B. Frisch;Nassir Navab
Thyroid imaging using radioactive tracers is a common task in clinics and is usually performed using 2D gamma cameras (scintigraphy). In this work we present a setup for 3D imaging of the thyroid using a mini gamma camera mounted on a robotic arm. Several images are acquired moving the mini gamma camera along a trajectory around the thyroid. Afterwards, a tomographic reconstruction computes a 3D SPECT-like image of the thyroid. First results are shown of a thyroid phantom using a conventional statistical reconstruction scheme (MLEM) and using a sparse regularization approach based on total variation.