Release Notes

Important Note

Version 3.0 of the Viewer plugin requires XNAT 1.8 in order to run correctly. See XNAT OHIF Plugin Compatibility Matrix

v3.1.0-RC-3

A release candidate for the forthcoming 3.1.0 release of the XNAT OHIF Viewer is available as a plugin jar file here. It is strongly recommended that the "RC" versions of the plugin are not installed on production XNAT servers.

Fixes

• Replaced frame number with instance number in the Tag Browser.
• Added DICOM File Meta Information to the Tag Browser.
• Fixed overlays not displaying issue.

v3.1.0-RC-2

A release candidate for the forthcoming 3.1.0 release of the XNAT OHIF Viewer is available as a plugin jar file here. It is strongly recommended that the "RC" versions of the plugin are not installed on production XNAT servers.

Fixes

• Refactored the Tag Browser extension: bug fixes and showing all elements (for loaded images).
• Notify about ROI export issues.
• Added a progress indicator for importing contour collections.
• Fixed a bug that prevented changing Window/Level preferences.
• Fixed slice order in image sets to match imageIndex with instanceNumber.

v3.1.0-RC-1

A release candidate for the forthcoming 3.1.0 release of the XNAT OHIF Viewer is available as a plugin jar file here. The release is in the final stages of beta testing and interested system administrators are invited to "take it for a spin" on development or test XNAT platforms. It is strongly recommended that the "RC" versions of the plugin are not installed on production XNAT servers.

New & Improved

• Upgraded to v4.9.20 of the mainstream OHIF Viewer (@ohif/viewer@4.9.20).
• Filter ROI collection import list based session label and scan number.
• Highlight active scan in the Scan Browser panel, and show the number of available ROIs per scan.
• Added new segmentation tools: correction scissors and brush eraser.
• Toolbar buttons added to undo/redo manual segmentation.
• Support changing segmentation brush size when using touch screen devices.
• Smart & Auto segmentation brush: custom gate-separation value + retain the settings between viewer sessions.
• Show the number of slices for each segment and jump to the middle slice when value clicked.
• Toggle visibility of contour collections.
• Added support for 3D Deepgrow in the NVIDIA AIAA Client (requires Clara v4.0+).

Fixes

• Fixed the annotations ‘delete all’ function to remove currently displayed measurements.
• Fixed segmentation export issue when having multiple viewports.
• Fixed Ultrasound measurements to show values in physical units. Fix does not support SequenceOfUltrasoundRegions with a multiple entries.
• Fixed imageId issue that prevented scrolling through some multi-frame images.

v3.0.1

Fixes

• Fixed JSON metadata not being updated when new data is added to existing session. This was causing viewer to only display part of the session.
• Fixed scan date issue.
• Added milliseconds to the ROI assessor labels.

v3.0.0

Version 3.0.0 of the XNAT OHIF Viewer focuses on defining regions-of-interest, with the "ROI Collection" datatype now a part of core XNAT, which removes the dependency on having a separate datatype plugin. There are new mask creation tools and an integration of NVIDIA Clara's AI-Assisted Annotation, which seamlessly applies machine-learning models to auto-segment ROIs that are both editable within the viewer and directly save-able within XNAT. There is support for DICOM "fractional segmentations", allowing the representation of volumetric masks that are probabilistic (e.g., allowing the representation of the degree of certainty of machine learning models). ROI creation on 2-D image modalities is also now available. There are additional enhancements to support for contour datatypes

We track core upgrades to the architecture of the main OHIF project, in particular the transition to a more modern React JavaScript framework to improve viewer performance in XNAT and allow the inclusion of major new functionality, such as a 3D-MPR mode for the first time.