AC

(redirected from Attenuation Correction)
Category filter:
AcronymDefinition
ACAdult Contemporary (radio format)
ACArea Code
ACAlternating Current (electricity; physics)
ACAuthor's Correction
ACAnte Cibum (Latin: Before Meals)
ACAir Conditioning/Conditioner
ACAccess Card
ACAtlantic City
ACAlice Cooper (musician)
ACAccess Control
ACAir Canada (airline code)
ACAnnual Conference (Church of the Brethren)
ACAll Clear
ACAmerican College
ACAssociated Content (Yahoo)
ACAdvisory Circular (aviation)
ACAudio Codec
ACAthletic Club
ACApple Computer
ACAcademic Institution (DNS zone for UK academic institutions; as in .ac.uk)
ACAce Combat (video games 1-5)
ACAccept (ITU-T)
ACAircraft
ACAdvisory Committee
ACAdvanced Computing
ACAir Compressor
ACAge Concern (UK)
ACAnderson Cooper (news correspondent)
ACAnimal Control
ACAntigua
ACAutoCAD
ACActual Cost
ACAnimal Crossing (video game)
ACAdvent Children (movie sequel to Final Fantasy VII game)
ACAcceptance Criteria
ACAverage Cost
ACAfter Coupon
ACAutomobile Club
ACAssociazione Calcio (Italian: soccer club)
ACAberdeen College
ACAtomic Clock
ACAccount Code (Sprint BCS-29)
ACAssistant Coach
ACArmored Core (video game)
ACAccount Current
ACAdapter Card (FS-1037c)
ACAir-Cooled
ACAcute
ACAnalytical Chemistry
ACActive Component
ACAustralian Capital Territory
ACAfrican Caribbean
ACArmy Corps
ACAmherst College
ACAuxiliary Contact
ACAcceleration (Front Page Sports Football '95 et al)
ACAir Cargo
ACAcre (state of Brazil)
ACAuthentication Code (telecommunications)
ACAssassin's Creed (videogame)
ACAir Carrier
ACAircraft Carrier
ACAachen (Germany)
ACAccountancy
ACArm Chair
ACAnonymous Coward (Slashdot)
ACAxiom of Choice (math)
ACAir Combat (game)
ACAscension Island (top level domain)
ACAlameda County
ACAssembly Complete
ACAlan Cox (Linux kernel hacker)
ACAccess Category
ACAtmospheric Chemistry
ACArc Consistency (constraint programming AI research)
ACAllis Chalmers (manufacturer of agriculture and industrial equipment)
ACAsheron's Call (game)
ACAccounting Clerk
ACArea of Concern (school grading system)
ACAdjacent Channel
ACAssessment Center
ACAsphalt Concrete
ACAir Corps
ACApplication Context
ACAnterior Chamber
ACActivated Charcoal
ACAdjudicator
ACAccount Control
ACAsociación Civil (Spanish: Civil Partnership)
ACArithmetic Coding
ACAssociation for Coaching (London, UK)
ACApplied Cryptography (book)
ACAdministrative Control
ACAction Code
ACAir Controller
ACAccess Channel
ACAero Club
ACActinium
ACAction for Change (Mauretania)
ACAir Curtain
ACAppeals Council (Social Security)
ACAutocheck
ACApple Cider
ACAnalog Computer
ACAudit Commission (UK)
ACAir Traffic Controller (USN Rating)
ACAir Change
ACAcoustic Coupler
ACAbdominal Circumference (obstetrics)
ACAleister Crowley (novelist)
ACAssistant Commissioner
ACAllied Command
ACAutonomic Computing
ACAngelina College
ACAdenylate Cyclase
ACAffinity Chromatography
ACAnglican Communion
ACAircraft Commander
ACAquatic Center
ACAlpha Centauri (game)
ACAfter Class
ACAsphalt Cement
ACAcademic Complex
ACAdvent Christian
ACAlgorithmic Complexity
ACAnthrocon (anthropomorphics convention)
ACAdvocacy Center
ACAuto Clicker (gaming)
ACAcromioclavicular (shoulder joint)
ACAssociation Class
ACAlignment Check
ACAssistant Camera (film production)
ACAnderson College (South Carolina)
ACAlbion College (Albion, MI)
ACAnti Christ
ACArea Coordinator
ACArmor Class
ACAlcohol Concentration
ACAkademikernes Centralorganisation
ACAndersen Consulting
ACArchival Collection
ACAugustana College (ELCA college, Sioux Falls, SD)
ACArmored Cable (electricity)
ACAdvanced CMos
ACAbsorption Chiller
ACAsbestos Cement
ACAltocumulus (cloud formation)
ACAmount Claimed
ACAir Commodore
ACAgir Ensemble Contre le Chômage (Paris, France)
ACAllergic Conjunctivitis
ACAfter Christ
ACAsphalt Content
ACAntecubital
ACAcetyl Group (chemistry)
ACAssist Control (ventilation)
ACAutomatic Computer
ACAlicyclic
ACAsotin County (Washington)
ACAmphibious Corps (US DoD)
ACAutocannon
ACActual Count
ACAutomation Company
ACAuto Carrier (chassis supplier of original Cobra roadster)
ACAdmirals Club
ACAsynchronous Communications
ACAir Cadets
ACAttenuation Correction
ACAir Conduction
ACAntioch College (Yellow Springs, OH)
ACAnthony Carter (ex-NFL player)
ACAlternative Certification (teaching)
ACAppeal Cases
ACAuxiliary Circuit
ACAssociate Commissioner
ACArc Cutting
ACAcquisition Center
ACAccess Customer
ACAcción Ciudadana (Spanish: citizen action; Guatemala)
ACAnno Christi (Latin: In the Year of Christ; epigraphy)
ACAdvanced Catalyst (research team; Japan)
ACArea Commander
ACAgent Code
ACAircraftman
ACAylesbury College (Aylesbury, Buckinghamshire, UK)
ACAssistant Chef
ACArret Cardiaque
ACAfter Colony (Gundam Wing animated series)
ACAfter Colony
ACAttribute Certificate
ACAdded Copy (libraries)
ACAsbury College (Kentucky, USA)
ACAssociation Control
ACAmbassador College
ACAdoptionscentrum (Sweden)
ACAscension Islands (ISO country code)
ACAngel Crew (band)
ACAirspace Control
ACAdvance Construction
ACAnte Christum (Latin: Before Christ)
ACAtlas Centaur (US intermediate class expendable launch vehicle)
ACAstrographic Catalogue
ACAuthentication Center
ACArmy Component
ACAppellation Contrôlée (beverages)
ACAmerican Choppers (TV series)
ACAttachment Circuit
ACAntenna Controller
ACAccess Concentrators
ACAdvanced Challenge (activity, Camp Yawgoog, BSA)
ACApelação Cível (Civil Appeal; Brazil)
ACAcid Ceramidase
ACAdams Central (High School; Hastings, NE)
ACAutomatic Callback (Bellcore)
ACAnonymous Caller
ACAviation Challenge
ACAuto-Cannon (gaming, Mechwarrior)
ACAviation Cadet
ACAdriamycin and Cytoxan (chemotherapy protocol)
ACAerodynamic Center
ACAdministrative Complex
ACAiming Circle (field artillery aiming instrument)
ACAnalysis Console
ACAssociativity and Commutativity (math)
ACAelod Cynulliad (Welsh: Member of the National Assembly for Wales)
ACAvanti Cristo (Italian: Before Christ)
ACArea Commissioner (UK scouting)
ACActual Commitment
ACAmbient Computing (Workshop)
ACAcquisition Category
ACAssociate Contractor
ACAttack Center
ACAryan Circle (gang)
ACAgent Cost (Sprint)
ACAnswer Complete
ACAddictions Counselor (New Life Ministries)
ACActive Counter
ACAnarchist's Cookbook
ACArmoured Core (game)
ACAustin Croshere (NBA player)
ACAutomatic Correlation
ACAbsolute Ceiling
ACActive Classroom (education)
ACAdjustment Center (prisons)
ACAktivacní Centrum (Czech: Activation Center)
ACAerocasillas SA
ACApollo's Chariot (Busch Gardens roller coaster)
ACAnthony Consulting (Yorktown, VA)
ACAlternate Call (listing)
ACAuthorized Consultants
ACAccountability Measurement
ACAromatherapy Council
ACAir Controlman
ACAir Coordinator
ACAshbury College (Canada)
ACApplication Control Architecture
ACAtmospheric Corrector
ACAwaiting Connection
ACAffinitätschromatographie (German)
ACAffirmative Constructive (debate)
ACAirframe Change
ACAcademia Cotopaxi (Quito, Ecuador)
ACAnte Cenam (Latin: Before a Meal)
ACAltai Consulting
ACAuscultacion Cardiaca (Spanish: Cardiac Auscultation)
ACAssessment Counselor (New Life Ministries)
ACAssociazione Calcistica (Italian: Soccer Association)
ACAcknowledged Connectionless
ACAssigned Capital
ACAmbush At Corellia (Star Wars novel)
ACAutistics and Cousins
ACAberración Cromosómica (Spanish)
ACAnthony Calhoun (sports anchorman)
ACAuthorised Certified (seed)
ACApostolic Carmel (Catholic congregation)
ACArea Correlator
ACAnalyst Console
ACAfter Crowning (Dungeons & Dragons)
ACAgro Centro (Guatemala)
ACAllied Chat (gaming)
ACAsh Catchem (Pokémon protagonist)
ACAbstinence Committed
ACArmament Computer
ACAncho Canyon
ACAlimbic Cluster (Metroid Prime Hunters video game)
ACARTS Controller
ACAnte de Cristo (Spanish: Before Christ)
ACAssumption Iloilo
ACAttack Console
ACAttack Cargo Plane (military aircraft designation, as in AC-130)
ACAntennal Commissure
ACAtheist Crew
ACAuxilio Ciudadano (Spanish, special police & military task force)
ACAutocars and Accessories Ltd.
ACAfter Catch Yards (yards gained after catching a pass, football)
ACAllen Cowlings (OJ Simpson trial)
ACAWP Control
ACAction Chit
ACAperture Card Sil Negative
ACActive Commanding
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References in periodicals archive ?
Patients were asked to breathe gently during CT and PET acquisition with CT data was used for attenuation correction and anatomical localization.
Attenuation correction algorithms, which have been refined over three decades for PET/CT imaging, are less robust and more complicated in PET/MRI.
The hybrid scanner uses CT or MR images as transmission images for attenuation correction of the SPECT or PET imaging.
Recently, a variety of investigations have focused on using existing microwave links which widely spread across countries for rain monitoring, validating, and optimizing the radar-based QPE, attenuation correction of radar observations, and so forth [e.g., [12, 13]].
PET images were manually adjusted, if necessary, for optimal registration with the CT data to ensure accurate attenuation correction. List-mode scan data were binned into 14 time frames (10 s x 9, 30 s x 3, 60 s x 1, 120 s x 1) and iteratively reconstructed using the vendor OSEM method (VuePointHD, 24 subsets, 4 iterations) with an 8 mm 3D Hann postfilter and were corrected for physical decay of the tracer [5].
The availability of simultaneous reflectivity measurements at X and S bands offers the possibility of using the unattenuated S-band measurement as a constraint for the attenuation correction algorithm applied to the X-band data.
Philip Healthcare's commercially available PET/MRI (Ingenuity TF PET/MRI) consists of two scanners placed in the same room about 2.5 meters apart with imaging table in between to allow the patient to be moved from one scanner to other without getting off the table.9 GE Healthcare has chosen the "trimodality solution", comprising a top PET/CT scanner, allowing measured attenuation correction, and MRI systems in two adjacent rooms with the patient transferred from one scanner to the other using a dockable table operating as a shuttle.10 The advantages of the tandem configuration are cost effectiveness as only additional magnetic shielding is required for MR without major modification in PET electronics and use of a sharing bed.
The attenuation correction accounts for the attenuation of the beam from the aperture plane through the collecting volume in the FAC.
Since inaccurate registration induces a significant problem in determining proper quantity of SUVs, attenuation correction factors are chosen delicately in this research and they are 0.1/cm for background, 0.018/cm for lung, 0.086/cm for fat, and 0.1/cm for soft tissue.
Uijlenhoet, "A stochastic model of range profiles of raindrop size distributions: Application to radar attenuation correction," Geophys.
Scatter correction was performed using convolution subtraction, decay was corrected to the acquisition start time, and attenuation correction was performed using the CT volumes.