Segmentation of heterogeneous or small FDG PET positive tissue based on a 3D-locally adaptive random walk algorithm.
D. P. OnomaSu RuanSébastien ThureauLamyaa NkhaliRomain ModzelewskiG. A. MonnehanPierre VeraIsabelle GardinPublished in: Comput. Medical Imaging Graph. (2014)
Keyphrases
- random walk
- random walker
- segmentation algorithm
- locally adaptive
- transition probability matrix
- computational complexity
- dynamic programming
- segmentation method
- spectral graph partitioning
- similarity measure
- image processing
- expectation maximization
- markov chain
- multiscale
- natural images
- medical images
- search space
- reinforcement learning
- image segmentation