Viewer release notes

The version of the viewer is available from the "About" menu for the OHIF (radiology) viewer, and "Get app info" menu for the Slim (pathology) viewers. Both of those menus are in the upper right corner of the window.

v2-legacy - 8 Jun 2023 - OHIF

The final OHIF v2 published version is 4.12.45. Upstream changes based on v2 will be accessible through the v2-legacy branch (will not be published to NPM).

Main highlights from v2-legacy since 4.12.45:

  • Fix high and critical dependency issues reported by dependabot

  • Update SEG tolerance popup and update SEG thumbnail warning: Jump to first segment item image and show warning message only once on onChange events

  • Update to issues and PR templates

  • Address segmentation visibility toggle applied to all segmentations instead of the active one only

  • Update dcmjs version so it throws 'Failed to find the reference image in the source data. Cannot load this segmentation' error instead of logging a warning to console

  • Address eye icon for segment not shown when segment name is long

  • Change message for segmentation when it fails to load duo to orientation tolerance

4.12.45 - Oct 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Handle missing ReferencedInstanceSequence attribute: Update parsing logic to consider attribute as optional.

4.12.44 - Oct 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Remove unused code from DICOM SR parsing: Remove referecenedImages attribute from SR display sets. Within TID 1500, sub-template TID 1600 (Image Library) is not required while parsing SR for image references for annotations and planar measurements. The same is obtained from sub template TID 1501>TID 300>TID 320.

4.12.43 - Oct 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Update message for segmentation error loading due to orientation tolerance

4.12.42 - Oct 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Correct Parsing Logic for Qualitative Instance Level SR

4.12.41 - Sep 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Fix 2d MPR rendering issue for the sagittal view

0.13.0 - April 2023 - Slim

Slim is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

New Features

  • Support configuration of multiple origin servers for different types of DICOM objects (SOP Storage Classes)

Enhancements

  • Improved error handling

  • Check Pyramid UID (if available) when grouping images into digital slides

Bug Fixes

  • Use Acquisition UID (if available) to group images into digital slides

0.11.2 - September 2022 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

New features

  • Add new tool to go to specific slide position;

  • Show mouse position in slide coordinate system.

Enhancements

  • Improve performance of translations between image and slide coordinates;

  • Automatically adjust size of overview image to size of browser window.

Bug fixes

  • Fix rendering of label image;

  • Show error message when creation of viewer fails;

  • Fix resolution of overview image;

  • Fix styling of point annotations;

  • Ensure bounding box annotations are axis aligned;

  • Add missing keyboard shortcut for navigation tool.

4.12.40 - September 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Fix parsing of qualitative slice annotation;

  • Disable measurements panel interactions in MPR mode;

  • Fix parsing of segmentation when orientation values are close to zero;

  • Raise error if a frame StudyInstanceUID, SeriesInstanceUID and SOPInstanceUID are not conforming with the UID (DICOM UI VR) character repertoire;

  • Implements runtime tolerance for SEGs loading retry;

  • Fixed popup notifications behavior;

  • Update cornerstoneWADOImageLoader.

0.8.1 - June 2022 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

New features

  • Add panel for clinical trial information to case viewer;

  • Sort digital slides by Container Identifier attribute.

Enhancements

  • Reset style of optical paths to default when deactivating presentation state.

Bug fixes

  • Fix rendering of ROI annotations by upgrading to React version 1;

  • Correctly update UIDs of visible/active optical paths;

  • Fix type declarations of DICOMweb search resources.

4.12.30 - June 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Add support for SR qualitative annotation per instance.

0.7.2 - June 2022 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

New features

  • Support DICOM Advanced Blending Presentation State to parametrize the display of multiplexed IF microscopy images;

  • Add key bindings for annotations tools;

  • Enable configuration of tile preload;

  • Enable configuration of annotation geometry type per finding;

  • Expose equipment metadata in user interface.

Enhancements

  • Improve default presentation of multiplexed IF microscopy images in the absence of presentation state instances;

  • Correctly configure DCM4CHEE Archive to use reverse proxy URL prefix for BulkDataURI in served metadata;

  • Enlarge display settings interfaces and add input fields for opacity, VOI limits, and colors;

  • Update dicom-microscopy-viewer version to use web workers for frame decoding/transformation operations;

  • Add button for user logout;

  • Disable optical path selection when a presentation state has been selected.

Bug fixes

  • Fix parsing of URL path upon redirect after successful authentication/authorization;

  • Fix configuration of optical path display settings when switching between presentation states;

  • Fix caching of presentation states and for selection via drop-down menu.

Security

  • Update dependencies with critical security issues.

0.5.1 - April 2022 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

Enhancements

  • Make overview panel collapsible and hide it entirely if lowest-resolution image is too large.

Bug fixes

  • Fix update of optical path settings when switching between slides.

4.12.26 - April 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Fix regression in logic for finding segmentations referenced source image;

  • Fix segmentations loading issues;

  • Fix thumbnail series type for unsupported SOPClassUID;

  • Fix toolbar error when getDerivedDatasets finds no referenced series are found.

0.5.0 - March 2022 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

New features

  • Display of analysis results stored as DICOM Segmentation, Parametric Map, or Microscopy Bulk Simple Annotations instances;

  • Dynamic selection of DICOMweb server by user (can be enabled by setting AppConfig.enableServerSelection to true);

  • Dark app mode for fluorescence microscopy (can be enabled by setting App.mode to "dark");

  • Support display of segments stored in DICOM Segmentation instances;

  • Support display of parameter mappings stored in DICOM Parametric Map instances;

  • Support display of annotation groups stored in DICOM Microscopy Bulk Simple Annotations instances;

  • Implement color transformations using ICC Profiles to correct color images client side in a browser-independent manner;

  • Implement grayscale transformations using Palette Color Lookup Tables to pseudo-color grayscale images.

Improvements

  • Unify handling of optical paths for color and grayscale images;

  • Add loading indicator;

  • Improve styling of overview map;

  • Render specimen metadata in compacter form;

  • Improve fetching of WASM library code;

  • Improve styling of slide viewer sidebar;

  • Sort slides by Series Number;

  • Work around common standard compliance issues;

  • Update docker-compose configuration;

  • Upgrade dependencies;

  • Show examples in README;

  • Decode JPEG, JPEG 2000, and JPEG-LS compressed image frames client side in a browser-independent manner;

  • Improve performance of transformation and rendering operations using WebGL for both grayscale as well as color images;

  • Optimize display of overview images and keep overview image fixed when zooming or panning volume images;

  • Optimize HTTP Accept header field for retrieval of frames to work around issues with various server implementations.

Bug fixes

  • Ensure ROI annotations are re-rendered upon modification;

  • Clean up memory and recreate viewers upon page reload;

  • Fix selection of volume images;

  • Fix color space conversion during decoding of JPEG 2000 compressed image frames;

  • Fix unit of area measurements for ROI annotations;

  • Publish events when bulkdata loading starts and ends.

4.12.22 - March 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Improve logic for finding segmentations referenced source image;

  • Improve debug dialog: fix text overflow and adding active viewports referenced SEGs and RTSTRUCT series.

4.12.17 - February 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Fix fail to load SEG related to geometry assumptions;

  • Fix fail to load SEG related to tolerance;

  • Add initial support for SR planar annotations.

0.4.5 - January 2022 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

Bug fixes

  • Fix selection of VOLUME or THUMBNAIL images with different Photometric Interpretation.

4.12.12 - January 2022 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Fix RTSTRUCT right panel updates;

  • Fix SEG loading regression.

4.12.7 - December 2021 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Fix handling of datasets with unsupported modalities;

  • Fix backward fetch of images for the current active series.

  • Fix tag browser slider.

0.4.3 - November 2021 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

Bug fixes

  • Rotate box in overview map outlining the extent of the current view together with the image.

4.12.5 - November 2021 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Fix segmentation/rtstruct menu badge update when switching current displayed series;

  • Add to series thumbnail link icon if they are connected to any annotation (segmentation, etc...);

  • Fix problems opening series when the study includes many series;

  • Fix segments visibility handler.

0.4.1 - October 2021 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

Improvements

  • Include images with new flavor THUMBNAIL in image pyramid;

  • Properly fit overview map into HTML element and disable re-centering of overview map when user navigates main map;

  • Allow drawing of ROIs that extent beyond the slide coordinate system (i.e., allow negative ROI coordinates).

Bug fixes

  • Prevent display of annotation marker when ROI is deactivated

4.11.2 - October 2021 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Fix issues with segmentation orientations;

  • Fix display of inconsistencies warning for segmentation thumbnails;

  • Fix throttle thumbnail progress updates.

0.3.1 - September 2021 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

Bug fixes

  • Set PUBLIC_URL in Dockerfile.

0.3.0 - September 2021 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

Improvements

  • Add button to display information about application and environment;

  • Add ability to include logo;

  • Verify content of SR documents before attempting to load annotations;

  • Improve re-direction after authentication;

  • Add retry logic and error handlers for DICOMweb requests;

  • Improve documentation of application configuration in README;

  • Add unit tests.

Bug fixes

  • Disable zoom of overview map;

  • Fix pagination of worklist;

  • Prevent delay in tile rendering.

4.10.1 - September 2021 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Handle uncaught exception for non TID 1500 sr;

  • Added display of badge numbers in the segmentation / rtstruct panel tabs;

  • Study prefetcher with loading bar.

0.2.0 - August 2021 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Main highlights of this release include:

New features

  • Support for multiplexed immunofluorescence slide microscopy imaging;

  • Client-side additive blending of multiple channels using WebGL;

  • Client-side decoding of compressed frame items using WebAssembly based on Emscripten ports of libjpeg-turbo, openjpeg, and charls C/C++ libraries.

Improvements

  • Continuous integration testing pipeline using circle CI;

  • Deploy previews for manual regression testing.

Major changes

  • Introduce new configuration parameter renderer.

4.9.20 - June 2021 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Add exponential backoff and retry after 500 error;

  • Update to HTML SR viewport to display missing header tags.

0.1.0 - May 2021 - Slim

The Slim Viewer is a lightweight server-less single-page application for interactive visualization of digital slide microscopy (SM) images and associated image annotations in standard DICOM format. The application is based on the dicom-microscopy-viewer library and can simply be placed in front of a DICOMweb compatible Image Management System (IMS), Picture Archiving and Communication (PACS), or Vendor Neutral Archive (VNA).

Inital Release.

4.9.17 - May 2021 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Add disable server cache feature;

  • Additional improvements on series inconsistencies report UI.

4.9.13 - April 2021 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Add acquisition storage SR sopclass to SR html ext;

  • Fix missing items in the segmentation combobox items at loading;

  • Fix slices are not sorted in geometrical order;

  • Extend series inconsistencies checks to segmentation and improve UI.

4.9.7 - March 2021 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Add new log service to be used by debugger extension;

  • Add UI to communicate to the users inconsistencies within a single series;

  • Add time in the dates of the items of the segmentation combobox list;

  • Order segmentation combobox list in reverse time order;

  • Fix failure to load a valid SEG object because of incorrect expectations about ReferencedSegmentNumber;

  • Fix RSTRUCT menu visibility when loading a series;

  • Fix image load slowness regression;

  • Fix choppy scrolling in 2D mod;

  • Fix failure to load segmentations when filtering study with '?seriesInstanceUID=' syntax.

4.8.10 - February 2021 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Replace instance dropdown to slider for dicom tag browser;

  • Add error page and not found pages if failed to retrieve study data.

4.8.5 - Jannuary 2021 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Add UI error report for MPR buffer limit related errors;

  • Add UI error report for hardware acceleration turned off errors;

  • Add IDC funding acknowledgment;

  • Fix RSTRUCT menu panel undefined variables;

  • Fix RSTRUCT menu visibility when loading a series;

  • Fix segments visibility control (SEG menu) bugs .

4.8.0 - December 2020 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Visualize overlapping segments;

  • Use runtime value configuration to get pkg version;

  • Fix navigation issues in the crosshair tool.

4.5.22 - October 2020 - OHIF

The OHIF Viewer is a zero-footprint medical image viewer provided by the Open Health Imaging Foundation (OHIF). It is a configurable and extensible progressive web application with out-of-the-box support for image archives which support DICOMweb.

Main highlights of this release include:

  • Add MPR crosshair tool.

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