# \#dicom

**URL:** https://discourse.canceridc.dev/tag/dicom/11.md

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## [Locating fractional DICOM Segmentations in IDC](https://discourse.canceridc.dev/t/locating-fractional-dicom-segmentations-in-idc/776)

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**Author:** [@fedorov](https://discourse.canceridc.dev/u/fedorov)\
**Replies:** 0\
**Last updated:** [January 26, 2026, 3:20pm UTC](https://discourse.canceridc.dev/t/locating-fractional-dicom-segmentations-in-idc/776 "2026-01-26T15:20:00Z")

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This post is in response to this question that I received from an IDC user recently: “where I can find an example of FRACTIONAL Segmentation in DICOM-SEG?” TL;DR: IDC contains 17,238 fractional segmentation series ac…

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## [Sampling IDC images by image orientation or inconsistent geometry](https://discourse.canceridc.dev/t/sampling-idc-images-by-image-orientation-or-inconsistent-geometry/770)

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**Author:** [@fedorov](https://discourse.canceridc.dev/u/fedorov)\
**Replies:** 5\
**Last updated:** [January 13, 2026, 10:54pm UTC](https://discourse.canceridc.dev/t/sampling-idc-images-by-image-orientation-or-inconsistent-geometry/770 "2026-01-13T22:54:54Z")

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it would be useful if you could provide a few test series with non-axial slice orientations. Have you encountered \[…\] images with variable slice spacing or non-parallel slices? TL;DR: Yes, it is relatively easy to add…

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## [DICOM Window Level Formula Adjustment](https://discourse.canceridc.dev/t/dicom-window-level-formula-adjustment/655)

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**Author:** [@sedghi](https://discourse.canceridc.dev/u/sedghi)\
**Replies:** 3\
**Last updated:** [December 20, 2024, 4:41pm UTC](https://discourse.canceridc.dev/t/dicom-window-level-formula-adjustment/655 "2024-12-20T16:41:56Z")

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We’ve encountered an issue with how OHIF Viewer come up with the initial window level for DICOM images (issues reported here and here). Users are reporting that our rendering is either too dark or too bright. I’ve provid…

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## [Best DICOM tag for provenance info?](https://discourse.canceridc.dev/t/best-dicom-tag-for-provenance-info/623)

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**Author:** [@locastre](https://discourse.canceridc.dev/u/locastre)\
**Replies:** 3\
**Last updated:** [September 3, 2024, 9:14pm UTC](https://discourse.canceridc.dev/t/best-dicom-tag-for-provenance-info/623 "2024-09-03T21:14:13Z")

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We are anonymizing imaging datasets from multiple institutions for a ROBIN collaboration and with the intent of sharing this data potentially on the IDC platform. We would like to include in the DICOM tags information ab…

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## [Selecting SNOMED code(s) for a segmented structure that has multiple modifiers](https://discourse.canceridc.dev/t/selecting-snomed-code-s-for-a-segmented-structure-that-has-multiple-modifiers/439)

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**Author:** [@fedorov](https://discourse.canceridc.dev/u/fedorov)\
**Replies:** 4\
**Last updated:** [September 14, 2023, 12:34pm UTC](https://discourse.canceridc.dev/t/selecting-snomed-code-s-for-a-segmented-structure-that-has-multiple-modifiers/439 "2023-09-14T12:34:20Z")

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This is a question for David Clunie @dclunie, but this came up in the past, and instead of sending email I am posting this here, for the benefit of the community. I will try to remember to post such questions of general …