2024
Encoding scheme design for gradient-free, nonlinear projection imaging using Bloch-Siegert RF spatial encoding in a low-field, open MRI system
Selvaganesan K, Ha Y, Sun H, Zhang Z, Sun C, Samardzija A, Galiana G, Constable R. Encoding scheme design for gradient-free, nonlinear projection imaging using Bloch-Siegert RF spatial encoding in a low-field, open MRI system. Scientific Reports 2024, 14: 3307. PMID: 38332252, PMCID: PMC10853509, DOI: 10.1038/s41598-024-53703-y.Peer-Reviewed Original ResearchConceptsBloch-SiegertSpatial encodingBloch-Siegert shiftGradient-freeLow-field imagesLow fieldsProjection imagesPhase shiftLoop coilEncoding settingsEncoding schemeEncoding trajectoriesLow-field MR imagingSpatial resolutionImage reconstructionOptimization algorithmEncodingMRI systemShift effectHardware setupMR systemOpen MRI systemScheme designAlgorithmImages
1991
A quantitative comparison of the TERA modeling and DFT magnetic resonance image reconstruction techniques
Smith M, Nichols S, Constable R, Henkelman R. A quantitative comparison of the TERA modeling and DFT magnetic resonance image reconstruction techniques. Magnetic Resonance In Medicine 1991, 19: 1-19. PMID: 2046524, DOI: 10.1002/mrm.1910190102.Peer-Reviewed Original ResearchConceptsImage reconstruction techniquesModeling techniquesData reconstructionImage reconstructionDiscrete Fourier transform algorithmReconstruction approachAlternative reconstruction methodTransform algorithmSuccess of modelingData setsReconstruction methodModeling methodFourier transform algorithmMagnetic resonance imagesData lengthReconstruction techniqueFinite data lengthResonance imagesProblem areasTruncation artifactsModelingAlgorithmArtifactsTwo-dimensional modelingOne-dimensional modeling