1. Image-based modelling
Manaal Fatima

2. Image-based modelling
Create 3D model from MRI or CT scans
Ability to export model for finite element analysis
Extensive applications in biomechanical research
Image source:

3. Types of scans CT: Computed tomography Uses x-rays
MRI: Magnetic resonance imaging Targets hydrogen molecules

4. CT vs. MRI scans CT
MRI
Image source: Vidalink LLC (2007), from

5. DICOM data format Digital Imaging and Communications in Medicine
Data set of images containing each slice
Different planes: 1. Coronal 2. Sagittal 3. Transverse

6. Slices in different planes
Source:
Science Photo Library

7. Available software
Mimics
Amira
Rhino3D
ScanIP (from Simpleware)

8. Import DICOM data

9. Segmentation Identify artefact boundaries
Automatically perform on all slices
Automatically segments all planes

10. Segmentation cont..

11. Generate the model
Further
post-processing

12. Post-modelling
Meshing
Create an assembly
Export for FEA

13. Questions?