A Robust Ultrashort TE (UTE) Imaging Method With Corrected k-Space Trajectory by Using Parametric Multiple Function Model of Gradient Waveform.
Masahiro TakizawaHikaru HanadaKuniharu OkaTetsuhiko TakahashiEtsuji YamamotoMasahiko FujiiPublished in: IEEE Trans. Medical Imaging (2013)
Keyphrases
- probabilistic model
- mathematical model
- statistical model
- cost function
- test data
- prior knowledge
- input data
- modeling method
- prediction model
- evaluation method
- distribution function
- score function
- theoretical analysis
- parameter estimation
- parametric models
- objective function
- linear model
- multiple models
- diffusion model
- optimization method
- piecewise constant
- gaussian function
- image processing
- support vector machine
- edge detection
- bayesian framework
- high resolution
- cross correlation
- energy function
- transfer function
- image formation
- computationally efficient
- prior information
- motion trajectories
- density function
- probability distribution
- semi parametric
- bp neural network
- gradient method
- similarity measure
- neural network