2024
Practical utilization of nonlinear spatial encoding: Fast field mapping and FRONSAC‐wave
Zhang H, Constable R, Galiana G. Practical utilization of nonlinear spatial encoding: Fast field mapping and FRONSAC‐wave. Magnetic Resonance In Medicine 2024, 92: 1035-1047. PMID: 38651264, PMCID: PMC11209788, DOI: 10.1002/mrm.30119.Peer-Reviewed Original ResearchCombination of wavesImage qualityFrequency domainUndersampling ratesShort calibration timeG-factor mapsWave sequencesCalibration timeWave amplitudePoint spread functionImprove image qualityMapping schemeUndersampling factorsGradient trajectoriesSpread functionEncodingIn vivo human brain imagingTrajectory mappingWaveHuman brain imagingUndersamplingField mappingEncoding gradientsSparsityMapping approachConstrained alternating minimization for parameter mapping (CAMP)
Elsaid N, Dispenza N, Hu C, Peters D, Constable R, Tagare H, Galiana G. Constrained alternating minimization for parameter mapping (CAMP). Magnetic Resonance Imaging 2024, 110: 176-183. PMID: 38657714, PMCID: PMC11193090, DOI: 10.1016/j.mri.2024.04.029.Peer-Reviewed Original ResearchConceptsAlternating minimizationAccelerated parameter mappingImage qualityReconstructed image qualityEfficient reconstruction algorithmSacrificing model accuracyParameter mapsPhantom studyK-space samplingAcceleration datasetsK-spaceUndersampling artifactsCartesian acquisitionConsecutive imagesReconstruction algorithmIndividual imagesModel cost functionExponential decayEcho timeReconstruction methodCost functionReduce artifactsPhantomScan timeObjective function
2008
SU‐GG‐I‐125: Treatment Responses Monitored by Estimated Returning‐To‐Origin Probability for Clinical High Diffusion Image
Chu A, Knisely J, Fulbright R, Constable R, Nath R. SU‐GG‐I‐125: Treatment Responses Monitored by Estimated Returning‐To‐Origin Probability for Clinical High Diffusion Image. Medical Physics 2008, 35: 2670-2671. DOI: 10.1118/1.2961523.Peer-Reviewed Original ResearchEddy current effectsSlow water diffusionIntrinsic low signalHigh diffusionGradient waveformsDomain conversionWater diffusionSlow diffusionLow signalDiffusion timeHigh diffusion weightingDiffusionExtensive diffusionQ-spaceGood signalSuperior image qualityDiffusion coefficient analysisOriginal spotDiffusion weightingWater exchangeDiffusion gradientsImage qualityQ-space analysisSignalsWaveforms
1992
Multicoil high-resolution fast spin-echo MR imaging of the female pelvis.
Smith R, Reinhold C, McCauley T, Lange R, Constable R, Kier R, McCarthy S. Multicoil high-resolution fast spin-echo MR imaging of the female pelvis. Radiology 1992, 184: 671-5. PMID: 1324508, DOI: 10.1148/radiology.184.3.1324508.Peer-Reviewed Original Research
1989
Maximum Entropy Reconstruction in Magnetic Resonance Imaging
Constable R, Henkelman R. Maximum Entropy Reconstruction in Magnetic Resonance Imaging. Fundamental Theories Of Physics 1989, 175-180. DOI: 10.1007/978-94-015-7860-8_15.Peer-Reviewed Original Research