Measurements from digital scanned projection radiographs: couch detail and detector artefact removal by simple image enhancement.
D001918:Brachytherapy; D006801:Humans; D007090:Image Interpretation, Computer-Assisted; D011856:Radiographic Image Enhancement / Q000379:methods*; D011857:Radiographic Image Interpretation, Computer-Assisted; D012189:Retrospective Studies; D014057:Tomography, X-Ray Computed / Q000379:methods