Table of Contents
CT Image Restoration Based on I-Divergence Minimization
Abstract
Outline
Cochlear Implantation
Cochlear Implant System
Electrode Array in the Cochlea
Why Cochlear Imaging?
Spiral/Helical CT as a Linear System
Linear System - Blurring & Deblurring
Linear System Visualization
Traditional Solution
Linear Imaging
Discrepancy Is Decomposable
Discrepancy Is “Orthogonal”
Discrepancy Is Regular
Discrepancy Is Invariant to Scaling
Functional Form of Discrepancy
Discrepancy Measures
I-Divergence
I-Divergence in the Measurement Space
EM-like Iterative Deblurring
Why EM-Like Iterative Deblurring
Assumptions by Snyder et al.
Assumptions by Wang et al.
CT Image Deblurring Formulas
Unwrapping of the Cochlear Canal
Numerical Simulation
Patient Studies
Blind Deblurring of Spiral CT Images for Cochlear Implantation
Blind Deblurring
Our Idea for Blind Deblurring
Patient Studies
Discussions
References
Acknowledgments
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Author: Ge Wang
Email: ge-wang@uiowa.edu
Home Page: http://dolphin.radiology.uiowa.edu/ge
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