Fripp, J and Bourgeat, P and Mewes, AJU and Warfield, SK and Crozier, S and Ourselin, S (2005) 3D statistical shape models to embed spatial relationship information. In: Liu, Y and Jiang, T and Zhang, CS, (eds.) COMPUTER VISION FOR BIOMEDICAL IMAGE APPLICATIONS, PROCEEDINGS. (pp. 51 - 60). SPRINGER-VERLAG BERLIN
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This paper presents the creation of 3D statistical shape models of the knee bones and their use to embed information into a segmentation system for MRIs of the knee. We propose utilising the strong spatial relationship between the cartilages and the bones in the knee by embedding this information into the created models. This information can then be used to automate the initialisation of segmentation algorithms for the cartilages. The approach used to automatically generate the 3D statistical shape models of the bones is based on the point distribution model optimisation framework of Davies. Our implementation of this scheme uses a parameterized surface extraction algorithm, which is used as the basis for the optimisation scheme that automatically creates the 3D statistical shape models. The current approach is illustrated by generating 3D statistical shape models of the patella, tibia and femoral bones from a segmented database of the knee. The use of these models to embed spatial relationship information to aid in the automation of segmentation algorithms for the cartilages is then illustrated.
|Title:||3D statistical shape models to embed spatial relationship information|
|Event:||1st International Worksho on Computer Vision for Biomedical Image Applications|
|Location:||Beijing, PEOPLES R CHINA|
|Keywords:||THICKNESS MEASUREMENTS, CARTILAGE VOLUME, ARTICULAR-CARTILAGE, KNEE-JOINT, IN-VIVO, SEGMENTATION, MRI|
|UCL classification:||UCL > School of BEAMS > Faculty of Engineering Science > Medical Physics and Bioengineering|
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