Title :
Automated patient couch removal algorithm on CT images
Author :
Bandi, Peter ; Zsoter, Norbert ; Seres, Laszlo ; Toth, Zoltan ; Papp, Laszlo
Author_Institution :
Mediso Med. Imaging Syst. Ltd., Budapest, Hungary
fDate :
Aug. 30 2011-Sept. 3 2011
Abstract :
The current paper proposes a novel automated patient couch removal method on Computed Tomography (CT) images. Patient couch is often considered to be an unnecessary artifact especially when 3D rendered techniques are used. The method is based on measuring similarity between selected axial slices and the assumption that the bed object is constant on different slices. Due to the weight of the patient the couch could bend which is identifiable as sagittal movement on consecutive axial slices. Therefore the method focuses on finding this movement after an initial segmentation. According to initial validation performed on real medical data, our method is an effective tool to remove patient couch without user interaction.
Keywords :
computerised tomography; image segmentation; medical image processing; rendering (computer graphics); 3D rendered techniques; CT images; automated patient couch removal algorithm; axial slices; computed tomography; patient weight; sagittal movement; segmentation; Biomedical imaging; Computed tomography; Correlation; Radiology; Rendering (computer graphics); Silicon; Three dimensional displays; Algorithms; Artifacts; Automation; Female; Humans; Radiographic Image Enhancement; Reproducibility of Results; Tomography, X-Ray Computed;
Conference_Titel :
Engineering in Medicine and Biology Society, EMBC, 2011 Annual International Conference of the IEEE
Conference_Location :
Boston, MA
Print_ISBN :
978-1-4244-4121-1
Electronic_ISBN :
1557-170X
DOI :
10.1109/IEMBS.2011.6091918