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Target displacement evaluation for fluoroscopic and four-dimensional cone-beam computed tomography
2016
Radiotherapy and Oncology
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Purpose or Objective: Four-dimensional cone-beam computed tomography (4D-CBCT) has great capability to provide volumetric and respiratory motion information with one gantry rotation. It is necessary to quantitatively assess, how difference of tumor displacement between actual and 4D-CBCT image exists. In this study, we evaluated the displacement of implanted fiducial markers assumed as tumor on fluoroscopic projection images and reconstructed 4D-CBCT images with different sorting methods.
doi:10.1016/s0167-8140(16)31571-7
fatcat:7nbsjzopmbb7lgwknadee6kqgy