Search for tag: "digital imaging"

Electron Tomography - Theory

2017 PARADIM SUMMER SCHOOL Tomography Theory Ercius

cartesian spacedimensional spacedimensional thingscale tomographydimensional reconstructionprojection requirementsolutionsextremely high resolutionoriginal imagephysical sciencemaximum tiltingtilt serieslong timeelectron microscopyelectron tomographycompressed sensinginverse nanometersscientific techniquesdimensional structurematerials scienceequal anglesignal processingconcepts in physicsphotographylow dose1st thingpoint defecthigher frequencysingle projectiondiffraction patternpretty goodmicroscopyneedle samplebig differencefree transformoriginal objectspatial frequencyvisioncarbon atomreal spaceadam countingreciprocal spaceemerging technologiescatf.f.t.dimensional imageperfect projectionsoriginal projectionatomic physicsprojected densityexperimental projectionsnano particlesstemmedical imaginghigh resolutioncarbongood reconstructionoriginal projection directionunique objectaberration correctedatomic scalebeam electronsexperimental datatilt axisoriginal intensitynanometer depthpseudo polarmicroscopesreconstruction techniqueprojection operationlow frequencyradio spectrumequally slope tomographyquantum mechanicskinematicsconcentric squarescat scanhigher dimensionalquantum dotanalytic geometryiterative loopentire imageequal distanceiterative algorithmclassical mechanicsdigital photographycalled equally slopelinear algebragrand challengesingle particlesimpler interpellationdimensional objectgeometry limitationhigh tiltsnano scalephoria transformenglish alternative rock groupsresolution tomographyreconstruction packagesbuilding blockcaption completedigital geometrycomputer graphicsfree spacereconstruction algorithmimprove reconstructionshigh frequencyatomic resolutionprojection imageshell particlecohen resolutiondimensional picturesine wavecrystallographic defectst.m.advanced algorithmsiterative processmissing wedgeinformation theorycontinuous functionmaterial sciencetomography experimentbroadcastingmasssample thingselementary mathematicschemistryelectron microscopenanomaterials
From  James Overhiser on February 15th, 2019 7 plays

Linear Imaging Theory

2017 PARADIM Linear Imaging Theory Robert Hovden

d.n.a.dark fieldaperture sizeobject functiontotal intensitycollaboration increasesconcepts in physicsconvergence angleareaspherical aberrationwide rangecovering todaygeometric shapesd.n.a. structurecentral minimumelectron microscopyfocal pointintensity increaseslinear imaging modelwave vectorscontrol theoryoptical devicescollection anglelarger apertureelectron microscopehigh anglearchitectural elementssignal processingphotographyhigh pass filtertransfer functionuncorrected systemphase shiftdarkfield regimefunctional formscattered electronshigher frequencybright field stemegyptian artefact typesdiffraction patternscience of photographypoint spread functionhigh intensity probeelementary geometryintegralsspatial frequencyopticsobjective lensbright field regimebright spotsreal spacelow frequencyreciprocal spaceblurring contributionsphere collaborationuncorrected instrumentcharacteristic dimensionincoherent imaging conditionsurfacesaperture functionwave frontatomic physicsimaging modecontract transfer functionwhite noisescanning transmission electroncohere imagingprevious lecturedistant planeelementary shapesstemhigher angleshigh resolutionincoherent linear imagemil ratingdetector geometriesfield conegeometrytypes of functionsaberration correctedconstant phaselengthlower frequencieschromatic aberrationconic sectionsamplitude squaredaberration freescientific techniquesmicroscopesmeasuring instrumentsintensity squaredoptic axisintensity decreasescontrast transferdiffraction limitstem imageindividual atomradio spectrumincoherent imagingquantum mechanicsaberration free probemultivariable calculuspeople metersfocal planebright fieldlow angleamateur radiosystems theoryimage planecoherent imaging conditioncollecting electronsblurring functiontransmission electron microscopyphysical quantitiesdigital photographyangular spreaddouble integralcoherent imaginglargest rangeface shifthigher order aberrationsraleigh criterionpiofairly interpretabletransmission electron microscopesquare pulsegeometrical opticsdigital signal processing1st ordercaption completeprobe tailsnyquist limitblue curvesubroutinesbroadcastingfilter frequency responsemaximum frequencyhigh frequencycaustic curvehand sidelow pass filterspatial coordinatesatoms closercoherent imagesparrow criterionstructural systempico meterdark backgroundfrequency spaceoptimal aperturet.m.complex conjugatecontrast transfer functionwave functionmeasure ultimatelyimaging conditionannular darkfieldincoherent imaging modeatomic numberfield stematomic columninelastic interactionsnobel prizeangle mediumchemistryfocal imagingprobe size
From  James Overhiser on February 15th, 2019 12 plays

Diffraction (Part 2)

2017 PARADIM Diffraction part 2 David Muller

central beamnoise sourceaperture sizen.c.concepts in physicsideal d.q.2nd thingreadout noisehigh dynamic rangemental planethermal noiselong timechannel gain variationsquantum electrodynamicsdigital imagingcount rateoptical devicesfraction patternpico ampslong rangebiological imagingrange electric fieldshuge amountsignal processinggeologyd.p.photographythin pixelmagnetic fieldhole pezc.c.d. cameraelectronicspoisson distributiondiffraction patternelectron hopepoint spread function200 kilovolts$16.00 pico ampsneighboring pixelsquare rootmass signalstandard deviationdetective quantum efficiencyspatial frequencyopticsreal spaceresearch methodsenergy distributionmagnetic ripplesd.q.single electron sensitivityparticle physicsnarrow pixelspace measurementslowly varyingabled sphereatomic physicsimaging modeelectric fieldenergy depositedminus sigmapretty goodemerging technologieselectron beamnoisedynamic rangepoint $16.00 picomagnetismdock noisesoft moonk.v.pulse counting detectorlastic imaging modese.q.low energypretty darn goodelectrons arrivemicron pixelfire electronrandom noisemicroscopesperfectly lineardiscrete distributionselectron producesmass imagepercent variationtechnical detailselectron hole payq.e.statisticselectrostaticselectronics terminologyquantum mechanicsfield imagesingle actorideal detectormultiple pixelsgrain contrastsystems theoryelectron hole1st timehigh count ratescharge carriershuge numberdiffraction spotphysical quantitiesdigital photographyfull diffraction patternnoise timepulse countingbeam energyhigh voltagesoutput noisemilli 2nddynamical systemsoutput signallow count ratedimensional datadigital signal processingmomentum transfercaption complete$150.00 microninformationpixel array detectorc.c.d.1000 electronslaboratory equipmentcyberneticsatomic resolutionscientific methodfinite sizefundamental limitnoise ratiofraction spotquantum chemistryt.m.dataevaluation methodselectromagnetismmomentum operatorincident electrondiffractionprobability current flowrough rulebeam currentwave functiondiffraction work
From  James Overhiser on February 15th, 2019 9 plays

Diffraction (Part 1)

2017 PARADIM Diffraction part 1 David Muller

d.n.a.solid poleconcepts in physicsoutgoing spherical wavepositive nucleiray diffraction experimentatomic physicsdiffracted beamnicely linedhigher ordersilicon atomelectron microscopyfocal pointimage intensityzone axissymmetry zone axesoptical devicesfiafraction patternteachingshape factorelectron microscopeaudio engineeringhigh anglenuclear physicsfit scatteringbeautiful thinggood approximationthin sampleimaging methodchip chip chipreciprocal latticephase shiftelastic scatteringdigital audioenglish indie rock groupsdiffraction patterndiffraction spacegeometric opticschemical elementsbig anglesspatial resolutionsmall angle scatteringelementary special functionsbadly tiltedspatial frequencyadam layerreal spacelattice spacingdelta functionsmall anglemeasurementcrystallographyparticle physicsmusical quintetstime frequenciesquantum chemistryscattering happened1st columnscatteringoral communicationplane waveatom columnbiology and pharmacology of chemical elementstitanium columnmulti slicetransmission functionelectron beamfinite objectsurface normalbig spacingperiodic crystalsoft moonforward directionsynchrotron-related techniqueswave numberconstant phaseinfinite serieschange shapetravel parallelinfinitely large crystalscientific techniquesmain thingsolmicroscopesmathematical physicscontrast imagingoptic axisshape facttransition metalsinitial waveforward scatteringstem imagereciprocal spacespherical waveelectronics terminologyquantum mechanicsfield imageneighboring column1st approximationreducing agentsfourier analysisanalytic geometryfurcal wavefocal planetime varyingbright fieldangle scatteringorder spotmulti slice simulationimage planedidacticsscattering eventphysical aperturediffraction spotmomentum spacephysical quantitiesphoria transformtimes worse2nd ringsingle atomobjective aperturedietary mineralsabsorption and radiative transfer (optics)trigonometrystrong phase approximationunit cellfield imagingcarbon nitrogenstem modemetalsdiffraction peakinverse angstromsenglish alternative rock groupsdog fieldgeometrical opticsparallel beam1st ordermomentum transferatomic resolution imageyear transformcrystallography definitionperiodic tablefiber optic waveguidepyrotechnic fuelscentral spotsemiconductor materialsmathematical notationcaption completefinite sizelattice imaged.c.large anglefall fieldsine wavefraction spotfunctional analysisrandom orientationt.m.bad newsinitial wave functioneducational psychologyacousticsinformation theorydiffractionatomic numberlong rodwave function
From  James Overhiser on February 15th, 2019 19 plays

CAM Colloquium, 2014-09-19 - Julianne Chung: Designing Optimal Spectral Filters and Low-rank Matrices for Inverse Problems

information theorysystems scienceinput/outputaudio engineeringsequenced genomesenvironmental scienceeducational psychologymathematical objectsalgebramarket researchsignal processingmachine learningtraining datadigital photographynormal distributionlow rankapplied mathematicsthinggraphic designparameterinformationprobability distributionsrisk minimisationpsychotherapyfilter factorspacecraft launched by delta ii rocketsvideopsychologytime series analysisnorm caseprobability theoryartificial intelligencecaption completeevaluationsocial psychologycreativitylinear algebrareal lifemathematical optimizationnoise sampleforward modelmathematical logicfinancial economicsfilterbinary operationsinformation sciencestatistical theoryregression analysissummary statisticst.s.p.cornellcommunicationcammetrologymatricesconcepts in physicsqualitystatistical inferencedecision theoryfamilydata managementpedagogyweb colorsair filternatural philosophygroup theoryfunctions and mappingsintelligencemathematical notationformal sciencesphotographycyberneticsclassical mechanicserrornumerical analysisstatisticscomputer graphic artifactscognitive scienceresearchreconstructionair imagemathematical analysisoptimal spectralpsychometricslogicinternational lawdemographyneural networkscolordeterminantsdigital signal processingmajor citiesfunctional analysisnoisescientific methodcovariance and correlationdifferential calculusoptimal filtersrobust statisticsinverse problemimageresearch methodsstatistical charts and diagramsmeasurementpolynomialsimage processingsociology indextheoretical computer sciencedesign of experimentsinverse problemsexponential family distributionshome automationtheory of probability distributionselementary algebranoise levelsemanticsmanufacturingdatajulianne chungestimation theorycomputer programmingcomputer graphicsdigital imagingcartographyengineeringsensory systemstatistical terminologydata analysissystems theorylearningphilosophical terminologysystemsproblemevaluation methodsgeographylinear operators in calculus
From  E. Cornelius on June 28th, 2017 13 plays