PS3.18 / DICOM JSON Model vs 7fe1,60,GEMS_Ultrasound_MovieGroup_001

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Mathieu Malaterre

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Feb 19, 2026, 5:04:43 AM (yesterday) Feb 19
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Hi folks,

Could someone please confirm what the JSON output should be for a DICOM instance containing the famous 7fe1,60,GEMS_Ultrasound_MovieGroup_001 Data Element (VR=OB, UndefinedLength) ?

Typical dcmdump output is:

[...]
            (7fe1,1062) SQ (Sequence with explicit length #=1)      # 2588390, 1 Unknown Tag & Data
              (fffe,e000) na (Item with explicit length #=7)          # 2588382, 1 Item
                (0002,0010) UI =JPEG2000                                #  22, 1 TransferSyntaxUID
                (0028,2110) CS [01]                                     #   2, 1 LossyImageCompression
                (0028,2112) DS [5]                                      #   2, 1 LossyImageCompressionRatio
                (7fe1,0010) LO [GEMS_Ultrasound_MovieGroup_001]         #  30, 1 PrivateCreator
                (7fe1,1037) UL 67                                       #   4, 1 Unknown Tag & Data
                (7fe1,1043) OB 00\a2\7e\3b\73\37\28\40\00\ed\13\ae\dc\40\28\40\80\d5\fe\d5\45\4a... # 536, 1 Unknown Tag & Data
                (7fe1,1060) OB (PixelSequence #=68)                     # u/l, 1 IllegalPrivatePixelSequence
                  (fffe,e000) pi 00\00\00\00\50\97\00\00\be\2e\01\00\1a\c6\01\00\30\5c\02\00\aa\f3... # 268, 1 Item
                  (fffe,e000) pi 00\00\00\0c\6a\50\20\20\0d\0a\87\0a\00\00\00\14\66\74\79\70\6a\70... # 38728, 1 Item
                  (fffe,e000) pi 00\00\00\0c\6a\50\20\20\0d\0a\87\0a\00\00\00\14\66\74\79\70\6a\70... # 38758, 1 Item
[...]

Thank you
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