2023
Markerless head motion tracking and event-by-event correction in brain PET
Zeng T, Lu Y, Jiang W, Zheng J, Zhang J, Gravel P, Wan Q, Fontaine K, Mulnix T, Jiang Y, Yang Z, Revilla E, Naganawa M, Toyonaga T, Henry S, Zhang X, Cao T, Hu L, Carson R. Markerless head motion tracking and event-by-event correction in brain PET. Physics In Medicine And Biology 2023, 68: 245019. PMID: 37983915, PMCID: PMC10713921, DOI: 10.1088/1361-6560/ad0e37.Peer-Reviewed Original ResearchConceptsPoint source studyHead motion correctionSmaller residual displacementMotion correctionIterative closest point (ICP) registration algorithmHead motion trackingSpatial resolutionResidual displacementData-driven evaluation methodHigh spatial resolutionLow noiseMotion trackingStereovision cameraMotion tracking deviceStructured lightEvent correctionBrain positron emission tomography (PET) imagingTracking deviceReconstruction resultsHMT methodPoint cloudsNegative biasReference cloudUMTEvaluation methodPerformance Evaluation of a Next-generation Human Brain PET Imager: the NeuroEXPLORER
Sun X, Badawi R, Cherry S, Fontaine K, He L, Hu L, Lu Y, Jones T, Leung E, Li T, Li Y, Liu P, Lu Z, Xu T, Majewski S, Mulnix T, Samanta S, Selfridge A, Toyonaga T, Qi J, Carson R, Li H. Performance Evaluation of a Next-generation Human Brain PET Imager: the NeuroEXPLORER. 2023, 00: 1-1. DOI: 10.1109/nssmicrtsd49126.2023.10338348.Peer-Reviewed Original ResearchSpatial resolutionRadial offsetMotion correction capabilityAxial spatial resolutionFine spatial resolutionPeak noise equivalent count rateKcps/MBqRate errorHot rodsRecovery coefficientTOF resolutionPeak NEC ratePerformance evaluationTangential spatial resolutionsHot spheresNoise equivalent count rateNEMA IQ phantomIQ phantomImagerOffsetHigh sensitivityNEMA NU 2PhantomCount rateEnergy resolution
2013
List-mode reconstruction for the FOCUS-220 with motion correction and spatially-variant probability density functions: Application to awake monkey imaging
Jin X, Jian Y, Mulnix T, Sandiego C, Yao R, Carson R. List-mode reconstruction for the FOCUS-220 with motion correction and spatially-variant probability density functions: Application to awake monkey imaging. 2011 IEEE Nuclear Science Symposium Conference Record 2013, 2985-2990. DOI: 10.1109/nssmic.2012.6551682.Peer-Reviewed Original ResearchEvent motion correctionIntra-frame motionMotion correctionMotion correction methodRadial offsetLarge motionEntire FOVFrame methodSpatial resolutionRadial resolutionProbability density functionCorrection methodTangential resolutionPoint sourcesMotionResolution kernelsHigh-quality imagesReconstruction algorithmList-mode reconstruction algorithmDensity functionList-mode reconstructionFOV