Huchen Xie

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BACKGROUND We sought to determine the intra- and inter-radiation therapist reproducibility of a previously established matching technique for daily verification and correction of isocenter position relative to intraprostatic fiducial markers (FM). MATERIALS AND METHODS With the patient in the treatment position, anterior-posterior and left lateral(More)
Registration is critical for image-based treatment planning and image-guided treatment delivery. Although automatic registration is available, manual, visual-based image fusion using three orthogonal planar views (3P) is always employed clinically to verify and adjust an automatic registration result. However, the 3P fusion can be time consuming, observer(More)
The purpose of the work was to create a three-dimensional (3-D) visualization system to aid physicians in observing abnormalities of the human lungs. A series of 20-30 helical CT lung slice images (typical reconstruction interval: 6-10 mm) obtained from the lung cancer screening protocol as well as a series of lOO-150 diagnostic helical CT lung slice images(More)
The purpose was to evaluate and correct the co-registration of diagnostic PET/CT and MRI/MRI images for stereotactic radiosurgery (SRS) using 3D volumetric image registration (3DVIR). The 3DVIR utilizes the homogeneity of color distribution over a volumetric anatomical landmark as the registration criterion with submillimeter accuracy. Fifty-three PET/CT(More)
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