P1252428406NosUn

1
2D and 3D Shape Based Segmentation Using
Deformable Models
S32
Ayman El-Baz1, Seniha E. Yuksel1, Hongjian Shi1,
Aly A. Farag1, Mohamed A. El-Ghar2, Tarek
Eldiasty2, Mohamed A. Ghoneim2 1Computer Vision
and Image Processing Lab, University of
Louisville 2Mansoura University, Urology and
Nephrology Center
Prior Shape
Deformable Model
Assuming object
Assuming background
Evolve if
Signed distance map and gray level densities are
estimated with our modified EM algorithm
Current Gray Level
Results Validation
Result at -1.9dB SNR
Average shape by FEM