How to know the resolution

조회 수: 4(최근 30일)
mohd akmal masud
mohd akmal masud 2022년 4월 12일
댓글: Walter Roberson 2022년 4월 12일
Dear all,
How do I know the resolution of my images? (as attached)

답변(1개)

Image Analyst
Image Analyst 2022년 4월 12일
fi = dicominfo('1.3.12.2.1107.5.6.1.1131.30330121042303301683400000047.dcm')
Looks like the resolution in pixels is 128 by 128. I'm not sure of the field of view or number of mm per pixel. Maybe it's one of the private fields like Private_0061_107d.
fi =
struct with fields:
Filename: 'C:\Users\hayworth.ms\OneDrive - Procter and Gamble\Not Shared\Matlab\work\Tests\1.3.12.2.1107.5.6.1.1131.30330121042303301683400000047.dcm'
FileModDate: '17-Nov-2021 02:17:11'
FileSize: 43516
Format: 'DICOM'
FormatVersion: 3
Width: 128
Height: 128
BitDepth: 16
ColorType: 'grayscale'
FileMetaInformationGroupLength: 188
FileMetaInformationVersion: [2×1 uint8]
MediaStorageSOPClassUID: '1.2.840.10008.5.1.4.1.1.128'
MediaStorageSOPInstanceUID: '1.3.12.2.1107.5.6.1.1131.30330121042303301683400000047'
TransferSyntaxUID: '1.2.840.10008.1.2.1'
ImplementationClassUID: '2.16.840.1.114362.1'
ImplementationVersionName: 'MIM705K91704'
SpecificCharacterSet: 'ISO_IR 100'
ImageType: 'ORIGINAL\PRIMARY'
SOPClassUID: '1.2.840.10008.5.1.4.1.1.128'
SOPInstanceUID: '1.3.12.2.1107.5.6.1.1131.30330121042303301683400000047'
StudyDate: '20210414'
SeriesDate: '20210414'
AcquisitionDate: '20210414'
ContentDate: '20210423'
StudyTime: '160741.446000'
SeriesTime: '161752.897000'
AcquisitionTime: '161752.897000'
ContentTime: '113058.000000'
AccessionNumber: ''
Modality: 'PT'
Manufacturer: 'SIEMENS NM'
InstitutionName: ''
ReferringPhysicianName: [1×1 struct]
StationName: 'SYMBIA1131'
SeriesDescription: ' [xQuant - AC ]'
OperatorsName: [1×2 struct]
ManufacturerModelName: 'Encore2'
RelatedSeriesSequence: [1×1 struct]
AnatomicRegionSequence: [1×1 struct]
PatientName: [1×1 struct]
PatientID: '21.04.14-16:07:41-STD-1.3.12.2.1107.5.6.1.1131'
PatientBirthDate: '20000414'
PatientSex: 'F'
PatientAge: '021Y'
PatientSize: 0.22
PatientWeight: 9.7
InterventionDrugInformationSequence: [1×1 struct]
SliceThickness: 5.0781
AcquisitionTerminationCondition: 'TIME'
SoftwareVersions: 'VB20B\syngo CT VC30 - easyIQ version>Symbia Intevo 16>10.510.1710.402>VB20B\10.500.1612.2101\10.500.1612.2002\MRS>MRS_5.5 550.100.1704.1401>VB20B'
ProtocolName: '3309.0.315969689@'
ReconstructionDiameter: 613.79
FieldOfViewShape: 'RECTANGLE'
FieldOfViewDimensions: [2×1 double]
CollimatorGridName: '@30423481'
CollimatorType: 'PARA'
DateOfLastCalibration: '20190613\20210305\20190718\20190613\20210305'
TimeOfLastCalibration: '124230.000000\080049.000000\123947.000000\124230.000000\080049.000000'
ConvolutionKernel: 'OSCGMM,12i,8s\Gauss,20.00mm'
ActualFrameDuration: 1507266
PatientPosition: 'FFS'
StudyInstanceUID: '1.3.12.2.1107.5.6.1.1131.30330121041902101908100003849'
SeriesInstanceUID: '1.3.12.2.1107.5.6.1.1131.30330121042303301683400000015'
StudyID: '1'
SeriesNumber: 1000
InstanceNumber: 25
ImagePositionPatient: [3×1 double]
ImageOrientationPatient: [6×1 double]
FrameOfReferenceUID: '1.3.12.2.1107.5.6.1.1131.30330121041408145636500000002'
PositionReferenceIndicator: ''
SamplesPerPixel: 1
PhotometricInterpretation: 'MONOCHROME2'
Rows: 128
Columns: 128
PixelSpacing: [2×1 double]
CorrectedImage: 'UNIF\ATTN\SCAT\DECY'
BitsAllocated: 16
BitsStored: 16
HighBit: 15
PixelRepresentation: 0
SmallestImagePixelValue: 0
LargestImagePixelValue: 9529
WindowCenter: 47645
WindowWidth: 95290
RescaleIntercept: 0
RescaleSlope: 10
Private_0029_10xx_Creator: 'SIEMENS CSA HEADER'
Private_0029_11xx_Creator: 'SIEMENS MEDCOM HEADER'
Private_0029_1018: 'ParameterBlock'
Private_0029_1019: '1'
Private_0029_1020: [6806×1 uint8]
Private_0029_1120: [406×1 uint8]
PerformedProcedureStepStartDate: '20210414'
PerformedProcedureStepStartTime: '160741.496000'
PerformedProcedureStepID: 'NM20210414160741'
PerformedProcedureStepDescription: ''
EnergyWindowRangeSequence: [1×1 struct]
RadiopharmaceuticalInformationSequence: [1×1 struct]
NumberOfSlices: 76
TypeOfDetectorMotion: ''
PatientOrientationCodeSequence: [1×1 struct]
PatientGantryRelationshipCodeSequence: [1×1 struct]
SeriesType: 'WHOLE BODY\IMAGE'
Units: 'BQML'
CountsSource: 'EMISSION'
AttenuationCorrectionMethod: 'CT-derived mu-map'
DecayCorrection: 'ADMIN'
ReconstructionMethod: 'OSCGMM'
ScatterCorrectionMethod: 'TEW'
FrameReferenceTime: 753633
DecayFactor: 1
DoseCalibrationFactor: 1
ImageIndex: 25
Private_0061_10xx_Creator: 'SIEMENS MED NM'
Private_0061_1026: 150
Private_0061_1027: 150
Private_0061_1035: '1.3.12.2.1107.5.6.1.1131.30330121041902101908100000089'
Private_0061_1036: '1.3.12.2.1107.5.6.1.1131.30330121041902101908100000223'
Private_0061_1037: 150
Private_0061_1038: 0
Private_0061_1039: 0
Private_0061_103a: 0
Private_0061_1062: 'Recon Tomo with AC and no EMI'
Private_0061_1067: 'CONCURRENT'
Private_0061_1068: 'CT'
Private_0061_106e: 'Iterative'
Private_0061_106f: [2×1 single]
Private_0061_107a: 243.83
Private_0061_107b: '20210413120700.000000'
Private_0061_107d: 0.0074
Private_0061_107e: '20210413130800.000000'
Private_0061_1088: '20210413125800.000000'
Private_0061_1089: '20210413125800.000000'
Private_0061_108c: '0800'
Private_0061_108d: 1
Private_0071_10xx_Creator: 'SIEMENS MED PT'
Private_0071_1022: '20210413125800.000000'
Private_0071_1023: [16×1 double]
  댓글 수: 1
Walter Roberson
Walter Roberson 2022년 4월 12일
Look at PixelSpacing to see the physical distance between pixel centers.

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