kgohres wrote:
> Hi,
> I was wondering if anybody knew which photometric interpretations are
> required by Dicom in order to be Dicom compliant for Ultrasound Images.
> I also wanted to know if anybody knew of where I could find examples
> of YBR_FULL_422 , because there doesn't seem to be any on the web. Any
> Help would greatly be appreciated Thank you.
>
> Thanks,
> kgohres

I know of at least one: ACUSON-24-YBR_FULL_422-Jpeg_Baseline_1.dcm
which we use in gdcmData (for our regression testing).

HTH
Mathieu
http://www.creatis.insa-lyon.fr/~jpr...et/Acusson_US/

kgohres wrote:
> Hi,
> I was wondering if anybody knew which photometric interpretations are
> required by Dicom in order to be Dicom compliant for Ultrasound Images.

See PS 3.3 - 2006, Page 416, C.8.5.6.1.2 Photometric Interpretation:
the allowed ones are MONOCHROME2, PALETTE COLOR, RGB, ARGB (retired),
YBR_FULL, YBR_FULL_422, YBR_PARTIAL_422, YBR_RCT, YBR_ICT,
YBR_PARTIAL_420.

In my experience, I've seen only MONOCHROME2 and RGB for uncompressed
and RLE lossless compressed images, and YBR_FULL_422 for JPEG
compressed images only. Some vendors also have PALETTE COLOR, if I
remember well.

To export the images on MOD, CD and DVD using the Ultrasound
Application Profile, you should follow the constraints in Table C.3-2
of PS 3.11-2006, Page 31.

> I also wanted to know if anybody knew of where I could find examples
> of YBR_FULL_422 , because there doesn't seem to be any on the web. Any
> Help would greatly be appreciated Thank you.

I will send you some sample. Please note that YBR_FULL_422 is used to
enhance the effect of the JPEG compression, when decompressing the
image normally it will be converted back to RGB.

Regards.

Luigi Pampana-Biancheri
Esaote S.p.A. - Genova - Italy
mailto:luigi.pampana at esaote.com

Mathieu Malaterre wrote:
> kgohres wrote:
> > Hi,
> > I was wondering if anybody knew which photometric interpretations are
> > required by Dicom in order to be Dicom compliant for Ultrasound Images.
> > I also wanted to know if anybody knew of where I could find examples
> > of YBR_FULL_422 , because there doesn't seem to be any on the web. Any
> > Help would greatly be appreciated Thank you.
> >
> > Thanks,
> > kgohres
>
> I know of at least one: ACUSON-24-YBR_FULL_422-Jpeg_Baseline_1.dcm
> which we use in gdcmData (for our regression testing).
>
> HTH
> Mathieu
> http://www.creatis.insa-lyon.fr/~jpr...et/Acusson_US/

That's also the 4th link when searching for YBR_FULL_422 with
google.com :-P