// --------------------------------------------------------------------

US_Siemens_Antares_With_PixelSpacing_Without_AspectRatio.dcm
vtkgdcmViever2 ... o doesn't work
exExtractOverlaysDCM --> Black image (OK, since 6000|3000 is zeroed!)
exExtractOverlaysACR --> "8 bits pixel image cannot contain Overlays"!

// --------------------------------------------------------------------

SIEMENS_GBS_III-16-ACR_NEMA_1.acr
vtkgdcmViever2 ... o : black image
exExtractOverlaysDCM --> rotten image
exExtractOverlaysACR --> 4 images

// --------------------------------------------------------------------

XA_GE_JPEG_02_with_Overlays.dcm
vtkgdcmViever2 ... o works!
exExtractOverlaysDCM --> 8 Black images
exExtractOverlaysACR --> 7 Black images + 1 image OK

// --------------------------------------------------------------------

05115014-mr-siemens-avanto-syngo-with-palette-icone.dcm
vtkgdcmViever2 ... o doesn't work.
exExtractOverlaysDCM --> OK

MR-SIEMENS-DICOM-WithOverlays.dcm
vtkgdcmViever2 ... o doesn't work
exExtractOverlaysDCM --> OK

OverlayDICOMDataSet.dcm
vtkgdcmViever2 ... o doesn't work
exExtractOverlaysDCM --> OK

MR-SIEMENS-128x104-with-overlays.dcm
vtkgdcmViever2 ... o doesn't work
exExtractOverlaysDCM --> OK

// --------------------------------------------------------------------