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» Maximum Likelihood Estimators in Magnetic Resonance Imaging
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BIBE
2007
IEEE
168views Bioinformatics» more  BIBE 2007»
15 years 8 months ago
Tissue Identification in Ultrasound Images using Rayleigh Local Parameter Estimation
A method to identify different tissues in ultrasound images is presented. Assuming a Rayleigh modelfor speckle, the different tissues present in the image will be related to the R...
Santiago Aja-Fernández, Marcos Martí...
124
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ICIP
2003
IEEE
16 years 3 months ago
Automatic contour estimation in fetal ultrasound images
This paper describes a new method for automatic estimation of the contours of the femur and of the cranial cross-section in fetal ultrasound images. Our approach can be described ...
Mário A. T. Figueiredo, Sandra V. B. Jardim
ISBI
2008
IEEE
16 years 2 months ago
FMRI brain activity and underlying hemodynamics estimation in a new Bayesian framework
The emerging functional MRI (Magnetic Resonance Imaging), fMRI, imaging modality was developed to obtain non-invasive information regarding the neural processes behind pre-determi...
David M. Afonso, João M. Sanches, Martin H....
ICASSP
2008
IEEE
15 years 8 months ago
A constrained coefficient ica algorithm for group difference enhancement
Independent component analysis (ICA) is a statistical and computational technique for revealing hidden factors that underlie sets of signals. We propose an improved ICA framework ...
Jing Sui, Jingyu Liu, Lei Wu, Andrew Michael, Lai ...
CGF
2008
203views more  CGF 2008»
15 years 2 months ago
Virtual Klingler Dissection: Putting Fibers into Context
Fiber tracking is a standard tool to estimate the course of major white matter tracts from diffusion tensor magnetic resonance imaging (DT-MRI) data. In this work, we aim at suppo...
Thomas Schultz, Natascha Sauber, Alfred Anwander, ...