Intravascular optical coherence tomography image segmentation based on Gaussian mixture model and adaptive fourth-order PDE.
Pengyu WangHongqing ZhuXiaofeng LingPublished in: Signal Image Video Process. (2020)
Keyphrases
- optical coherence tomography
- gaussian mixture model
- fourth order
- partial differential equations
- image segmentation
- expectation maximization
- high order
- noise removal
- level set
- em algorithm
- anisotropic diffusion
- mixture model
- image processing
- imaging modalities
- retinal images
- image interpolation
- feature vectors
- multiscale
- nonlinear diffusion
- maximum likelihood
- image denoising
- coronary artery
- medical imaging
- cross sections
- scale spaces
- diffusion equation
- feature space
- image enhancement
- probabilistic model
- active contours
- markov random field
- computer vision
- pattern recognition
- deformable models
- segmentation method
- higher order
- graph cuts
- multiresolution
- energy function