Simultaneous 4D-CBCT reconstruction with sliding motion constraint

Purpose: Current approaches using deformable vector field (DVF) for motion-compensated 4D-cone beam CT (CBCT) reconstruction typically utilize an isotropically smoothed DVF between different respiration phases. Such isotropically smoothed DVF does not work well if sliding motion exists between neigh...

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Veröffentlicht in:	Medical physics (Lancaster) 2016-10, Vol.43 (10), p.5453-5463
Hauptverfasser:	Dang, Jun, Yin, Fang-Fang, You, Tao, Dai, Chunhua, Chen, Deyu, Wang, Jing
Format:	Artikel
Sprache:	eng
Schlagworte:	4D‐CBCT Algorithms Analysis of motion Anisotropy Biological material, e.g. blood, urine Haemocytometers Cancer Computed tomography Computerised tomographs computerised tomography Cone beam computed tomography deformable vector field DIAGNOSTIC IMAGING (IONIZING AND NON-IONIZING) Digital computing or data processing equipment or methods, specially adapted for specific applications Four-Dimensional Computed Tomography Humans Image data processing or generation, in general Image Processing, Computer-Assisted - methods image reconstruction lung Lungs medical image processing Medical image reconstruction motion compensation Motion estimation Movement Neoplasms - diagnostic imaging Neoplasms - physiopathology organ motion phantoms Phantoms, Imaging Reconstruction sliding motion
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