From a3e32b1422cf2238b2c491e22e374d3e57e926e8 Mon Sep 17 00:00:00 2001 From: Yaroslav Halchenko Date: Sun, 31 Mar 2024 08:13:59 -0400 Subject: [PATCH] Extend to Based on for DICOM --- src/common-principles.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/common-principles.md b/src/common-principles.md index 540bfd7f48..dea781297d 100644 --- a/src/common-principles.md +++ b/src/common-principles.md @@ -423,8 +423,9 @@ acquisition parameters available in DICOM files, we RECOMMEND that users provide additional meta information extracted from DICOM files in a sidecar JSON file (with the same filename as the `.nii[.gz]` file, but with a `.json` extension). Many of such metadata entries are explicitly formalized in BIDS and could be found listed in the [Glossary](./glossary.md). -Whenever formalizing a new metadata entry within BIDS, the name SHOULD correspond to original DICOM Tag whenever the value is taken *as is* without any further harmonization. -The description of the term in the schema SHOULD describe such correspondence as "Corresponds to DICOM Tag ID1, ID2 `DICOM Tag Name`.". +Whenever formalizing a new metadata entry within BIDS, the name SHOULD correspond to the original DICOM Tag whenever the value is taken *as is* without any further harmonization. +The description of the term in the schema then SHOULD describe such correspondence as "Corresponds to DICOM Tag ID1, ID2 `DICOM Tag Name`.". +If value is harmonized, the description SHOULD describe such correspondence as "Based on DICOM Tag ID1, ID2 `DICOM Tag Name`.". Extraction of BIDS compatible metadata can be performed using [dcm2niix](https://github.com/rordenlab/dcm2niix) and [dicm2nii](https://www.mathworks.com/matlabcentral/fileexchange/42997-xiangruili-dicm2nii) DICOM to NIfTI converters. The [BIDS-validator](https://github.com/bids-standard/bids-validator)