tags 675448 confirmed tags 675448 upstream thanks On Fri, Jun 1, 2012 at 2:46 PM, OFFIS DICOM Team <[email protected]> wrote: > Hi Mathieu, > >> dcmdjpeg does not currently properly support lossy compressed DICOM file. >> It decompress them as lossless file, lossing the lossy information from >> the original file. Eg: > > [...] >> >> Where DCMTK_JPEGExt_12Bits.dcm can be found at: >> >> http://gdcm.git.sourceforge.net/git/gitweb.cgi?p=gdcm/gdcmData;a=history;f=DCMTK_JPEGExt_12Bits.dcm;h=a38d4be8214fc72c76f4a6051f314e466ffbdcc5;hb=HEAD > > > could you be more specific, i.e. where exactly is the problem? Ah ok, you > are probably referring to the subject of your email, right? Lossy Image > Compression Method, Lossy Image Compression and other data elements should > already be present in the compressed image. IMHO, this is nothing that > _necessarily_ has to be added by a decompressor.
I am pretty sure this should be required. This breaks all assumptions in say a clinical trial and you received a disguised lossy mamography declared as little endian without LossyImageCompressionMethod attribute. > Anyway, we already have a corresponding entry (#307) in our internal list of > things to do - this one has been added about 3 years ago. Thanks for the > reminder! Great ! -M -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

