Computed Radiography ImageCIOD
CT ImageCIOD
MR ImageCIOD
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Grayscale Softcopy Presentation StateCIOD
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Basic Structured DisplayCIOD
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Basic Voice Audio WaveformCIOD
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Macular Grid Thickness and Volume ReportCIOD
Implantation Plan SR DocumentCIOD
Comprehensive 3D SRCIOD
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Extensible SRCIOD
Acquisition Context SRCIOD
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Rendition Selection DocumentCIOD
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Enhanced MR ImageCIOD
MR SpectroscopyCIOD
PatientMModule - Patient
Clinical Trial SubjectUModule - Patient
General StudyMModule - Study
Patient StudyUModule - Study
Clinical Trial StudyUModule - Study
General SeriesMModule - Series
Clinical Trial SeriesUModule - Series
MR SeriesMModule - Series
Frame of ReferenceMModule - Frame of Reference
SynchronizationCModule - Frame of Reference
General EquipmentMModule - Equipment
Enhanced General EquipmentMModule - Equipment
Enhanced Contrast/BolusCModule - MR Spectroscopy
Multi-frame Functional GroupsMModule - MR Spectroscopy
Multi-frame DimensionMModule - MR Spectroscopy
Cardiac SynchronizationCModule - MR Spectroscopy
Respiratory SynchronizationCModule - MR Spectroscopy
Bulk Motion SynchronizationCModule - MR Spectroscopy
Acquisition ContextMModule - MR Spectroscopy
SpecimenUModule - MR Spectroscopy
MR SpectroscopyMModule - MR Spectroscopy
(0008,0008) Image Type1Code String
(0008,002A) Acquisition DateTime1CDate Time
(0008,113A) Referenced Waveform Sequence3Sequence
(0008,114A) Referenced Instance Sequence1CSequence
(0008,9092) Referenced Image Evidence Sequence1CSequence
(0008,9121) Referenced Raw Data Sequence3Sequence
(0008,9154) Source Image Evidence Sequence1CSequence
(0008,9206) Volumetric Properties1Code String
(0008,9207) Volume Based Calculation Technique1Code String
(0008,9208) Complex Image Component1Code String
(0008,9209) Acquisition Contrast1Code String
(0008,9237) Referenced Presentation State Sequence1CSequence
(0018,0087) Magnetic Field Strength1CDecimal String
(0018,1320) B1rms3Single
(0018,9004) Content Qualification1CCode String
(0018,9052) Spectral Width1CDouble
(0018,9053) Chemical Shift Reference1CDouble
(0018,9054) Volume Localization Technique1CCode String
(0018,9059) De-coupling1CCode String
(0018,9060) De-coupled Nucleus1CCode String
(0018,9061) De-coupling Frequency1CDouble
(0018,9062) De-coupling Method1CCode String
(0018,9063) De-coupling Chemical Shift Reference1CDouble
(0018,9064) k-space Filtering1CCode String
(0018,9065) Time Domain Filtering1CCode String
(0018,9066) Number of Zero Fills1CUnsigned Short
(0018,9067) Baseline Correction1CCode String
(0018,9073) Acquisition Duration1CDouble
(0018,9098) Transmitter Frequency1CDouble
(0018,9100) Resonant Nucleus1CCode String
(0018,9101) Frequency Correction1CCode String
(0018,9126) Volume Localization Sequence1CSequence
(0018,9174) Applicable Safety Standard Agency1CCode String
(0018,9175) Applicable Safety Standard Description3Long String
(0018,9198) First Order Phase Correction1CCode String
(0018,9199) Water Referenced Phase Correction1CCode String
(0018,9297) Water Reference Acquisition3Code String
(0020,0012) Acquisition Number3Integer String
(0020,4000) Image Comments3Long Text
(300A,012C) Isocenter Position3Decimal String
MR Spectroscopy Pulse SequenceCModule - MR Spectroscopy
MR Spectroscopy DataMModule - MR Spectroscopy
SOP CommonMModule - MR Spectroscopy
Common Instance ReferenceUModule - MR Spectroscopy
Frame ExtractionCModule - MR Spectroscopy
Enhanced MR Color ImageCIOD
Raw DataCIOD
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Spatial RegistrationCIOD
Deformable Spatial RegistrationCIOD
Spatial FiducialsCIOD
Ophthalmic Photography 8 Bit ImageCIOD
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Stereometric RelationshipCIOD
Hanging ProtocolCIOD
Encapsulated PDFCIOD
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Real World Value MappingCIOD
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RT Ion PlanCIOD
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Ophthalmic Tomography ImageCIOD
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Color PaletteCIOD
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Lensometry MeasurementsCIOD
Autorefraction MeasurementsCIOD
Keratometry MeasurementsCIOD
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Ophthalmic Axial MeasurementsCIOD
Intraocular Lens CalculationsCIOD
Generic Implant TemplateCIOD
Implant Assembly TemplateCIOD
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RT Beams Delivery InstructionCIOD
Ophthalmic Visual Field Static Perimetry MeasurementsCIOD
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Surface Scan MeshCIOD
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Parametric MapCIOD
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Tractography ResultsCIOD
RT Brachy Application Setup Delivery InstructionCIOD
Planar MPR Volumetric Presentation StateCIOD
Volume Rendering Volumetric Presentation StateCIOD
Content Assessment ResultsCIOD
CT Performed Procedure ProtocolCIOD
CT Defined Procedure ProtocolCIOD
Protocol ApprovalCIOD
XA Performed Procedure ProtocolCIOD
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Ophthalmic Optical Coherence Tomography En Face ImageCIOD
Ophthalmic Optical Coherence Tomography B-scan Volume AnalysisCIOD
Encapsulated STLCIOD
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RT Radiation SetCIOD
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Basic DirectoryCIOD

Built with by Innolitics, a team of medical imaging software developers.

Data synced with official DICOM standard on 18 April 2024. The DICOM Standard is under continuous maintenance, and the current official version is available at http://www.dicomstandard.org/current/. DICOM Parts 3, 4, and 6, © NEMA. Please note that the most recent PDF version of the standard is the official reference, and should checked when making technical decisions.

Number of Zero Fills Attribute

Tag(0018,9066)
TypeConditionally Required (1C)
KeywordNumberOfZeroFills
Value Multiplicity1-2
Value RepresentationUnsigned Short (US)

Number of zero fills added to the time domain data before FT. Shall be 0 (zero) if no zero filling performed.

See Section C.8.14.1.1 for further explanation of the ordering.

See Section C.8.14.1.2 for further explanation on Zero Fills.

Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.

Section C.8.14.1.1

C.8.14.1.1 MR Spectroscopy Attribute Multiplicity Ordering

The following Attributes may have a Value Multiplicity of one or two depending whether one or two frequency axes are used as specified by the value of Data Point Rows (0028,9001):

  • Transmitter Frequency (0018,9098)

  • Resonant Nucleus (0018,9100)

  • Spectral Width (0018,9052)

  • Chemical Shift Reference (0018,9053)

  • De-coupled Nucleus (0018,9060)

  • De-coupling Frequency (0018,9061)

  • De-coupling Chemical Shift Reference (0018,9063)

  • Time Domain Filtering (0018,9065)

  • Number of Zero Fills (0018,9066)

Value 1 shall contain the value corresponding to the sampling time axis (the axis along a data point row).

Value 2, if present, shall contain the value corresponding to the evolution time axis (the axis along a data point column).

Section C.8.14.1.2

C.8.14.1.2 MR Spectroscopy Zero Fill Explanation

Zero filling is a data processing technique where zero points are appended to the time domain data before Fourier transformation. The effect of zero filling is to increase the digital resolution in the spectrum. Since the zeros contain no new information, there is no new information added to the spectrum. It is artificially increasing the acquisition time after the data collection without adding any new information or true resolution to the spectrum. See Figure C.8.14.1-1, Figure C.8.14.1-2 and Figure C.8.14.1-3.

Figure C.8.14.1-1. Example Result without and with Zero Filling


Figure C.8.14.1-2. Echo Acquisition with Applying Zero Fill


Figure C.8.14.1-3. Free Induction Decay Acquisition with Applying Zero Fill