Constructing a 3D model from MRI or CT scan
Image-based modellingManaal Fatima309185696Image-based
modellingCreate 3D model from MRI or CT scans
Ability to export model for finite element analysis
Extensive applications in biomechanical research
Image source: http://www.ablesw.com/3d-doctor/headcut.jpgTypes
of scansCT: Computed tomographyUses x-rays
MRI: Magnetic resonance imagingTargets hydrogen molecules
CT vs. MRI scans
Image source: Vidalink LLC (2007), from
http://www.ct-scan-info.com/mri.html CT MRIDICOM data formatDigital
Imaging and Communications in Medicine
Data set of images containing each slice
Different planes:1. Coronal2. Sagittal3. Transverse
Slices in different planes
Source:Science Photo LibraryAvailable
softwareMimicsAmiraRhino3D
ScanIP (from Simpleware)Import DICOM data
SegmentationIdentify artefact boundariesAutomatically perform on
all slicesAutomatically segments all planes
Segmentation cont..
Generate the model
Further post-processingPost-modellingMeshingCreate an
assemblyExport for FEA
Questions?
