Wavelet based multiresolution expectation maximization image reconstruction algorithm for positron emission tomography (PET)

Keyphrases

• Positron Emission Tomography 100%
• Multi-resolution 100%
• Image Reconstruction Techniques 100%
• Wavelet Basis 100%
• Expectation Maximization 100%
• Image Reconstruction 50%
• Wavelet Transform 50%
• Coarse Resolution 50%
• Multigrid 25%
• Good Quality 25%
• Estimation Process 25%
• Image Data 25%
• Reconstruction Algorithm 25%
• Reconstructed Image 25%
• Maximum Likelihood Estimation 25%
• Expectation-maximization Algorithm 25%
• Multi-resolution Data 25%
• Multi-resolution Model 25%
• Number of Iterations 25%
• Biorthogonal Wavelets 25%
• Resolution Level 25%
• Lifting Technique 25%
• Tomography Image 25%
• Low-frequency Component 25%
• High-frequency Component 25%
• Wavelet Filter 25%
• 2D Discrete Wavelet Transform 25%
• Data Decomposition 25%
• Multiple Spatial Resolutions 25%
• Fine Resolution 25%
• Fewer Iterations 25%
• Real-time Localization 25%

Mathematics

• Wavelet 100%
• reconstruction algorithm 100%
• Multiresolution 100%
• Positron 100%
• Wavelet Transforms 50%
• Data Space 50%
• Maximum Likelihood Estimation 16%
• Expectation-Maximization Algorithm 16%
• Reconstructed Image 16%
• Biorthogonal Wavelet 16%

Computer Science

• reconstruction algorithm 100%
• Image Reconstruction 100%
• Wavelet Transforms 100%
• Frequency Component 66%
• Spatial Resolution 33%
• maximum-likelihood 33%
• Reconstructed Image 33%
• Estimation Process 33%
• Likelihood Estimation 33%
• Resolution Level 33%