Optimal noise reduction in 3D reconstructions of single particles using a volume-normalized filter
Sindelar CV, Grigorieff N. Optimal noise reduction in 3D reconstructions of single particles using a volume-normalized filter. Journal Of Structural Biology 2012, 180: 26-38. PMID: 22613568, PMCID: PMC3498508, DOI: 10.1016/j.jsb.2012.05.005.Peer-Reviewed Original ResearchConceptsParticle mapsOptimal noise reductionWiener filterError reduction schemeConventional Wiener filterNoise reductionNovel filterInversion methodNew filterHigh noise levelsParticle densityParticle volumeFilterParticlesNoise ratioNoise levelTheoretical analysisSingle particleAccurate implementationSpectral signalsSSNRInterior regionImage dataSignalsFourier inversion method