A procedure for periodic quality assurance of a video surface imaging system is introduced. AlignRT is a video camera-based patient localization system that captures and compares images of a patient's topography to a DICOM-formatted external contour, then calculates shifts required to accurately reposition the patient. This technical note describes the tools and methods implemented in our department to verify correct and accurate operation of the AlignRT hardware and software components. The procedure described is performed monthly and complements a daily calibration of the system.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5718592 | PMC |
| http://dx.doi.org/10.1120/jacmp.v12i1.3338 | DOI Listing |
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