The path references in the DICOMDIR (for example When we run dcmdump.exe, at the top of the output it says "DcmMetaInfo: Group Length of MetaInformation Header has incorrect value." We have reviewed the definition of the (0002,0000) tag, and have struggled to understand the values that we see in other DICOM files, but this is the first case where we've seen this specific error from dcmdump.exe. There are two problems we see immediately. Our software is rejecting the DICOMDIR, and confusing the user. We have received sample files from a set of IVUS DICOM files saved from a BSC iLab system pushed to a PACS system then retrieved and presented to our software (from a very important customer). (0004,1430) CS # 8, 1 DirectoryRecordTypeĪfter several years, I am afraid I am back in Invalid DICOMDIR land. (0004,1420) up 570 # 4, 1 OffsetOfReferencedLowerLevelDirectoryEntity (0004,1400) up 0 # 4, 1 OffsetOfTheNextDirectoryRecord (fffe,e000) na "Directory Record" PATIENT #=8 # u/l, 1 Item (0004,1220) SQ (Sequence with undefined length #=5) # u/l, 1 DirectoryRecordSequence (0004,1202) up 436 # 4, 1 OffsetOfTheLastDirectoryRecordOfTheRootDirectoryEntity (0004,1200) up 436 # 4, 1 OffsetOfTheFirstDirectoryRecordOfTheRootDirectoryEntity (0002,0016) AE # 16, 1 SourceApplicationEntityTitle (0002,0010) UI =LittleEndianExplicit # 20, 1 TransferSyntaxUID (0002,0002) UI =UltrasoundMultiframeImageStorage # 28, 1 MediaStorageSOPClassUID $ sh ffmpeg-batch-convert.# Used TransferSyntax: LittleEndianExplicit Then, we'll filter those down to only the type of file we want to convert - e.g. You can also use ls -Recurse if you want to recursively convert all files in subdirectories too. Of course, now PowerShell has come along, specifically designed to make something exactly like this extremely easy.Īnd, yes, PowerShell is also available on other operating systems other than just Windows, but it comes pre-installed on Windows, so this should be useful to everyone.įirst, you'll want to list all of the files within the current directory, so, we'll start off with: ls
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