Knowledge Based
3D
Medical Image Segmentation
Limitations of Manual Segmentation
The Automatic Segmentation Challenge
How to Segment? i.e.
Issues in
Segmentation of Anatomy
How to Segment? i.e.
Issues in
Segmentation of Anatomy
How to Segment? i.e.
Issues in
Segmentation of Anatomy
How to Segment? i.e.
Issues in
Segmentation of Anatomy
How to Segment? i.e.
Issues in
Segmentation of Anatomy
How to Segment? i.e.
Issues in
Segmentation of Anatomy
How to Segment? i.e.
Issues in
Segmentation of Anatomy
Typical Pipeline for Segmentation of Brain MRI
Typical Pipeline for Segmentation of Brain MRI
Typical Pipeline for Segmentation of Brain MRI
Expectation-Maximization (what?)
Expectation-Maximization (how?)
Expectation-Maximization (how exactly?)
Expectation-Maximization (how exactly?)
EM-MF Segmentation: EM + Gibbs Prior
EM-MF Segmentation: Gibbs Prior on Classification
EM-MF Segmentation: Gibbs Prior on Classification
EM-MF Segmentation: Gibbs form of Posterior
EM-MF Segmentation: Gibbs form of Posterior
Mean-Field Approximation to Posterior GRF
Posterior Probabilities (EM-MF)
Modeling Global Geometric Relationships between Structures
Modeling Global Geometric Relationships between Structures
Relative Geometric Prior Approach
Segment Primary
Structures:
Femur, Tibia
Measure Geometric Relationship between Primary and Secondary Structures
Measure Geometric Relationship between Primary and Secondary Structures
Use Relative Geometric Prior in EM Segmentation
Results: Segmentation
of
Femoral & Tibial Cartilage
Relative Geometric Priors for Brain Tissue
Unified Bayesian Segmentation Method
Proposed MRI Segmentation Method