%% read the meta information from a dicom file
> info = dicominfo (file_in_loadpath('imdata/simple-test.dcm');
info =
  scalar structure containing the fields:
    Filename = a.dcm
    FileModDate = 04-Feb-2017 02:08:31
    FileMetaInformationVersion =
      0  1
    MediaStorageSOPClassUID = 1.2.840.10008.5.1.4.1.1.7
    MediaStorageSOPInstanceUID = 1.2.826.0.1.3680043.2.1143.4379544382488839209812957878553810312
    TransferSyntaxUID = 1.2.840.10008.1.2
    ImplementationClassUID = 1.2.826.0.1.3680043.2.1143.107.104.103.115.2.6.3
    ImplementationVersionName = GDCM 2.6.3
    SourceApplicationEntityTitle = GDCM
    ImageType = DERIVED \SECONDARY  
    SOPClassUID = 1.2.840.10008.5.1.4.1.1.7
    SOPInstanceUID = 1.2.826.0.1.3680043.2.1143.4379544382488839209812957878553810312
    StudyDate = 20170203
    StudyTime = 210831.360586 
    Modality = OT
    ConversionType = WSD 
    NominalScannedPixelSpacing =
       1
       1
    StudyInstanceUID = 1.2.826.0.1.3680043.2.1143.1282184104726305239898701219563360204
    SeriesInstanceUID = 1.2.826.0.1.3680043.2.1143.9385265081744858155080799316976198629
    SamplesPerPixel = 1
    PhotometricInterpretation = MONOCHROME1 
    Rows = 10
    Columns = 5
    BitsAllocated = 8
    BitsStored = 8
    HighBit = 7
    PixelRepresentation = 0
    RescaleIntercept = 0
    RescaleSlope =  1
    RescaleType = US
    PixelData = not assigned


%% read the image data
> image = dicomread(file_in_loadpath('imdata/simple-test.dcm'))
image =
  0  0  0  0  0
  0  0  0  0  0
  0  0  0  0  0
  0  0  0  0  0
  0  0  0  0  0
  0  0  0  0  0
  0  0  0  0  0
  0  0  0  0  0
  0  0  0  0  0
  0  0  0  0  0

help dicominfo