Wookjin Choi

radiomics lung ct cancer deep learning radiotherapy pet fdg lung cancer radiation therapy screening ai spiculation computer-aided detection pulmonary nodules artificial intelligence head and neck esophagus radiation oncology genetic programming diagnosis segmentation cad quantification prediction subtype toxicity ce 4d-ct 4d-ct pet/ct variability delineation adc oar icip medical image analysis physics journal club early detection organ-at-risk heart aggressive texture pancreatic adenocarcinoma rild contrast-enhanced cardiac sbrt multiphase liver ct functional image features medical image proecessing mrlinac pancreas low-dose image processing pulmonary nodule ldct itk computer aided detection statistical shape model magnetic resonance imaging 3d model mri optimization knee hepatocellular carcinoma radiothreapy voxel classification igrt 3d block cbct breathing signal dect review robustness radiation induced lung disease normal tissue feature liver outcome prediction mrgrt lung nodule malignancy prediction dataset reproducibility delta-radiomics survival mrgart mr guided adaptive rt adaptive radiotherapy gtv functional radiomics functional imaging imaging biomarker cardiotoxicity pretx pretreatment early prediction radiation therapy auto encoder variational auto encoder ae vae cavitation histology dose prediction adenocarcinoma eposter astro2017 robust competition svm interpretable histological spherical mapping area distortion esophageal cancer lung-rads human realistic simulation probabilistic u-net hnc uncertainty dosimetric readiotherapy motion tracking object detection insects behavior blob detection appearance matching physics multi-disciplinary