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RadiAnt DICOM Viewer CD/DVD - Version History
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RadiAnt DICOM Viewer CD/DVD 2023.1
built on March 29, 2023
New features:
  • Length ratio calculation.
  • Ellipsoid / bullet volume calculation.

Improvements and bug fixes:
  • Added support for certain DICOM files not fully compliant with the standard.
  • Added support for some uncommon DICOM images with JPEG 2000 encoding.

RadiAnt DICOM Viewer CD/DVD 2022.1.1
built on August 17, 2022
Improvements and bug fixes:
  • Image position, zoom, rotation and flip is restored when switching series.
  • Added support for certain DICOM images not fully compliant with the standard.
  • Added support for certain US images encoded with JPEG YBR.
  • Improved distraction free mode.
  • Other small improvements and bug fixes.

RadiAnt DICOM Viewer CD/DVD 2021.2.2
built on January 19, 2022
New features:
  • Distraction free mode (Alt + Shift + Enter).

Improvements and bug fixes:
  • Added support for certain DICOM images not fully compliant with the standard.
  • Added support for DICOM images with pixel data stored in 32-bit cells.
  • Improved naming of folders when exporting all series (added patient ID, changed date formatting).
  • Fixed display for certain US images with JPEG YBR compression.
  • Fixed rare issues with distorted 3D reconstructions and measurements for certain DICOM files not fully compliant with the standard.

RadiAnt DICOM Viewer CD/DVD 2021.2
built on October 24, 2021
New features:
  • Distraction free mode (Alt + Shift + Enter).

Improvements and bug fixes:
  • Added support for certain DICOM images not fully compliant with the standard.
  • Added support for DICOM images with pixel data stored in 32-bit cells.
  • Improved naming of folders when exporting all series (added patient ID, changed date formatting).
  • Fixed display for certain US images with JPEG YBR compression.

RadiAnt DICOM Viewer CD/DVD 2021.1
built on June 27, 2021
Improvements and bug fixes:
  • Added option to open quickly a series via context menu.
  • Added option to draw horizontal or vertical segments when using angle or Cobb angle tools while holding Shift.
  • Added option to hide DICOM overlays.
  • Added option to set custom directions for WL/WW adjustments in options.xml.
  • For DICOM files with imager pixel spacing defined (e.g., CR/DX/XA), magnification factor is used for length measurements whenever possible. The length measurement's background color will turn blue if a radiographic magnification factor is applied (whereas for measurements at the detector plane, the color is purple).
  • Fixed issues with not fully DICOM compliant tomosynthesis images (Hologic).
  • Fixed rare issue (white lines) with images having lossless JPEG compression.
  • Fixed WW/WL setting for certain images with VOI LUT defined.
  • Fixed issues with certain PALETTE COLOR images compressed with JPEG2000 lossless codec.
  • Removed support for Windows XP and Vista systems.

RadiAnt DICOM Viewer CD/DVD 2020.2.3
built on December 28, 2020
New features:
  • Set custom window (WL/WW or Min/Max) with the option to use SUVbw units for PET images.

Improvements and bug fixes:
  • Improved responsiveness during WW/WL adjustment for high resolution images (mammography, etc.)
  • Improved performance when loading large number of series into viewer.
  • Improved "Split series" function for multi-sequence MR series.
  • Fixed issue when after loading a series, an image other than the first one was shown.
  • Other performance and stability improvements.

RadiAnt DICOM Viewer CD/DVD 2020.2
built on July 19, 2020
New features:
  • Set custom window (WL/WW or Min/Max) with the option to use SUVbw units for PET images.

Improvements and bug fixes:
  • Improved responsiveness during WW/WL adjustment for high resolution images (mammography, etc.)
  • Improved performance when loading large number of series into viewer.
  • Fixed issue when after loading a series, an image other than the first one was shown.
  • Other performance and stability improvements.

RadiAnt DICOM Viewer CD/DVD 2020.1
built on March 9, 2020
New features:
  • Option to read password-protected, AES-256 encrypted DICOM data from the CD/DVD/USB Flash.
  • Closed polygon tool - area, perimeter.
  • Open polygon tool - length.
  • Arrow tool.

Improvements and bug fixes:
  • SUVbw measurements (no fusion required).
  • Added option to show destination folder in Explorer after export.
  • Added info about the displayed image series to the title bar text.
  • Added Ctrl+F1 shortcut to show the About box.
  • Improved rendering of structured reporting (SR) documents in the viewport - page breaks for longer content, XML/HTML tag stripping.
  • Custom character encoding can be set for SR documents in options.xml.
  • Changed version numbering scheme (YYYY.X.Z - YYYY: year of the public release, X: feature release number, Z: bugfix release number).
  • Added support for TIC generation for MR studies with multi-frame DICOM files.
  • Updated DICOM dictionary to 2020a.
  • New mouse button indicators (back and forward buttons added).
  • ESC deletes the unfinished measurement.

RadiAnt DICOM Viewer CD/DVD 5.5.1
built on December 13, 2019
New features:
  • Image filters (sharpen, smooth, edge...).

Improvements and bug fixes:
  • Added support for extended mouse buttons (the forward button for ROIs / the back button for panning).
  • Added option to disable horizontal mouse wheel (via options.xml).
  • Added option to export movies in MP4 format from 2D viewer.
  • Added support for certain not fully conformant JPEG compressed DICOM files.
  • Fixed several bugs causing crashes and hangs.
  • Fixed issue with opening multiple viewer windows when in full screen mode.

RadiAnt DICOM Viewer CD/DVD 5.5.0
built on October 21, 2019
New features:
  • Image filters (sharpen, smooth, edge...).

Improvements and bug fixes:
  • Added support for extended mouse buttons (the forward button for ROIs / the back button for panning).
  • Added option to disable horizontal mouse wheel (via options.xml).
  • Added option to export movies in MP4 format from 2D viewer.
  • Added support for certain not fully conformant JPEG compressed DICOM files.
  • Fixed several bugs causing crashes and hangs.

RadiAnt DICOM Viewer CD/DVD 5.0.2
built on September 18, 2019
Improvements and bug fixes:
  • Improved mouse wheel behavior for precision devices (e.g., Surface Precision Mouse).
  • Changed the maximum split screen layout to 5x5.
  • Changed: the location overlay now shows the position of the center of frame for images with non-orthogonal orientation.
  • Added support for overlays with non-zero origin.
  • Added support for per-frame overlays in multi-frame DICOM files.
  • Added option to launch structured reporting documents in the external web browser (Ctrl + Enter).
  • Added support for SUV calculations in studies acquired with Siemens Biograph PET-CT.
  • Added support for TIC generation in studies acquired with Toshiba Vantage MRI.
  • Added the "Save RAW value" option in the DICOM tags window.
  • Fixed several bugs causing crashes and memory leaks.
  • Other performance improvements.

RadiAnt DICOM Viewer CD/DVD 4.6.9
built on October 25, 2018
Improvements and bug fixes:
  • Improved support for breast tomosynthesis images (DBT).
  • Improved support for files that are not fully compliant with the DICOM standard.
  • Improved support for ultrasound images retrieved from Synapse PACS.
  • Fixed occasional crashing issues.

RadiAnt DICOM Viewer CD/DVD 4.6.5
built on May 23, 2018
New features:
  • 3D cursor tool in the 2D Viewer window.

Improvements and bug fixes:
  • Added support for changing series with mouse wheel (horizontal scroll).
  • Added configurable key modifiers and mouse button combinations for all tools.
  • Added modality column to the "Open multiple series" window
  • Added support for not fully compliant DICOM JPEG files.
  • Fixed image fusion for non-standard (non-orthogonal) orientations.
  • Fixed occasional crash when exporting WMV videos.
  • Fixed crash when opening DICOM files with certain LUT Descriptor.
  • Fixed: some endemic DICOM files with certain private tags could not be opened.

RadiAnt DICOM Viewer CD/DVD 4.2.1
built on November 19, 2017
Improvements and bug fixes:
  • Fixed display of certain RGB lossy JPEG DICOM images.
  • Configurable units and precision for length measurements (options.xml).
  • Added option to display a mark in the middle of a segment (options.xml).
  • Added option to display a mark in the center of an ellipse (options.xml).

RadiAnt DICOM Viewer CD/DVD 4.1.6
built on October 1, 2017
Improvements and bug fixes:
  • Added quick search in the "Open series" window (F4).
  • Added support for DICOM Deflated Little Endian Transfer Syntax (Explicit VR) (1.2.840.10008.1.2.1.99).
  • Improved series sorting in the "Open series" window (F4).
  • Improved default WW/WL calculation for multi-frame images.
  • DICOM dictionary updated to 2017d.
  • Fixed: RGB images with incorrect WW/WL were not displayed properly.
  • Fixed: rare type of JPEG compressed images could not be opened.
  • Optimized memory management.

RadiAnt DICOM Viewer CD/DVD 4.0.3
built on June 10, 2017
Improvements and bug fixes:
  • Images from non-volumetric series (CR, DX, MG, US, XA, etc.) can be split into separate panels
  • Improved support for certain palette color DICOM images (US Philips)
  • Improved support for series of images without StudyUID or SOPInstanceUID
  • Improved support for certain files not fully compliant with the DICOM standard
  • Default DICOM character set can be overridden in the options.xml file
  • Language xml files are now checked for incorrect format specifiers
  • Fixed several bugs causing crashes and memory leaks

RadiAnt DICOM Viewer CD/DVD 3.4.2
built on December 8, 2016
New features:
  • Copy all visible panels to clipboard as one image.

Improvements and bug fixes:
  • Added support for certain type of ultrasound images (Aloka).
  • Added custom split screen setup via command line parameters (e.g. -sp 3 2) or the options.xml file.
  • Fixed: JPEG compressed images could give linear artifacts in MPR views.
  • Fixed: MPR and VR features were not available for certain type of SPECT images.
  • Other minor improvements.

RadiAnt DICOM Viewer CD/DVD 3.4.1
built on September 13, 2016
New features:
  • Manual series synchronization (slice position, zoom&pan, window settings).
  • Separate toolbar button for changing synchronization mode.
  • New functionalities in the DICOM tags window: search text, copy all items, copy selected item, show DICOM file in explorer.
  • 2D MPR now works with CT series acquired with tilted gantry.

Improvements and bug fixes:
  • Improved auto synchronization - non-parallel series with a dihedral angle up to 5 degrees are now synchronized automatically.
  • Fixed: the encapsulated MPEG videos were not opened properly without VLC installed.
  • Quicker series thumbnail generation when multiple series are located in one folder and the DICOMDIR file is present.
  • Other performance improvements.

RadiAnt DICOM Viewer CD/DVD 3.2.3
built on July 23, 2016
Improvements and bug fixes:
  • Sorting mode of studies in the series preview bar can be changed to "newest first" via options.xml file.
  • Fixed: cine loops exported to WMV files had sometimes incorrect frame rate.

RadiAnt DICOM Viewer CD/DVD 3.2.2
built on June 1, 2016
New features:
  • Support for the encapsulated PDF documents (opened in an external viewer).
  • Support for the MPEG-2 / MPEG-4 DICOM files (opened in an external media player).
  • New measurement tool: Deviation.

RadiAnt DICOM Viewer CD/DVD 3.0.2
built on April 11, 2016
Improvements and bug fixes:
  • Negative mode can be enabled by default for NM (Nuclear Medicine) images via the options.xml file.
  • Last export destination folder is remembered after closing RadiAnt.
  • Improved stability and efficiency.
  • Fixed: The logo JPEG image caused crash when CMYK color space was used.
  • Fixed: exported files are not overwritten during subsequent exports to the same folder.
  • Fixed: a bad date in a DICOM file could cause RadiAnt crash.
  • Fixed: a specific type of JPEG LS compressed images was not displayed.

RadiAnt DICOM Viewer CD/DVD 2.2.9
built on December 27, 2015
Improvements and bug fixes:
  • Fixed issue with measurements showing 0mm in images obtained from Philips Achieva MRI scanner.

RadiAnt DICOM Viewer CD/DVD 2.2.8
built on December 1, 2015
Improvements and bug fixes:
  • Improved support for a specific type of DICOM images (HITACHI MRI).
  • Improved performance and stability.
  • Fixed a rare crash while scanning for DICOM files.

RadiAnt DICOM Viewer CD/DVD 2.2.5
built on November 18, 2015
Improvements and bug fixes:
  • Improved support for legacy DICOM overlays.
  • Fixed rare crashes on Windows 7 64-bit without SP1.
  • Fixed rare crashes on Windows XP 32-bit with older CPUs.

RadiAnt DICOM Viewer CD/DVD 2.2.4
built on November 13, 2015
Improvements and bug fixes:
  • Improved support for specific DICOM files (Philips Intera MRI, GE Optima MRI).

RadiAnt DICOM Viewer CD/DVD 2.2.3
built on November 1, 2015
New features:
  • Support for the SR (Structured Reporting) Documents.
    Press Enter to display a SR DICOM file in the HTML browser.

Improvements and bug fixes:
  • Improved stability, other small fixes.

RadiAnt DICOM Viewer CD/DVD 2.0.12
built on October 5, 2015
New features:
  • "Split series" feature detects multiple volumes contained in one series (e.g. arterial/venous post-contrast, DWI, cardiac CT multi-phase) and opens them in separate panels.
  • Dedicated window presets for PET modality (0.5, 1, 2.5, 5, 10, 25, 50 and 100 percent of the entire dynamic range of the displayed series).

Improvements and bug fixes:
  • In series consisting of multiple volumes (sequences), MPR is applied to the volume whose frame is currently displayed.
  • Improved display of PET images with small pixel values (especially those without attenuation correction).
  • Improved calculation of the default contrast/brightness values for PET images.
  • Default color look-up table for PET changed to Hot Iron.
  • Fixed MPR and Fusion functionality for special type of PET images (Siemens scanner).
  • Improved export of all opened series.
  • Enhanced support for compressed images.
  • Fixed display of rare ultrasound images.
  • Improved stability, lowered memory usage, other small fixes.

RadiAnt DICOM Viewer CD/DVD 1.9.16
built on May 23, 2014
Improvements and bug fixes:
  • Improved support for SPECT-CT studies (synchronization, MPR, fusion).
  • Improved automatic synchronization of series with small difference in patient orientation (e.g. MR).
  • Added support for a rare type of dicom files with little endian implicit transfer syntax.
  • Fixed ocassional crash of the viewer.
  • Other minor improvements.

RadiAnt DICOM Viewer CD/DVD 1.9.14
built on January 9, 2014
Improvements and bug fixes:
  • Fixed display of certain types of images with PALETTE COLOR photometric interpretation.
  • Fixed display of rare type of images with big endian transfer syntax.
  • Other minor improvements.

RadiAnt DICOM Viewer CD/DVD 1.9.10
built on October 26, 2013
New features:
  • Support for length measurement using estimated radiographic magnification factor (e.g. in mammography images).

Improvements and bug fixes:
  • Enhanced PET SUV measurements (e.g. Philips scanners support).
  • Fixed display of certain types of images with VOI LUT.
  • Other minor improvements.

RadiAnt DICOM Viewer CD/DVD 1.9.4
built on September 21, 2013
New features:
  • Customizable annotations.
  • Support for manual length calibration.
  • US calibrated regions support (length or other parameters such as time, velocity, depending on the region).

Improvements and bug fixes:
  • Changed structure of folders and filenames (for compliance with ISO 9660 Class 1 8+3 filename system)
  • CD/DVD scanning can be narrowed down to specified folder(s) (-d command-line parameter)
  • The "run.bat" file starts launcher.exe tool, which runs either 32-bit or 64-bit version of RadiAnt DICOM Viewer (previously always 32-bit version was opened)
  • Imager pixel spacing is used for measurements when available (which is often the case for XA images).
  • Faster opening of large image series from cd/dvd media (in systems low on memory)
  • Fixed handling of certain JPEG2000 DICOM files.
  • Fixed visual artifacts in ROI elements in exported images.
  • Improvements in DICOM tags preview window (fixed incidental crashes, enhanced tag descriptions, corrected display of tags with multiple numerical values).
  • Other minor improvements.

RadiAnt DICOM Viewer CD/DVD 1.8.6
built on May 22, 2013
New features:
  • Multi-touch support for Windows 8 touch-enabled devices:
  • Use one finger to browse images of the series (or perform other function selected from the toolbar).
  • Use two fingers to pan and zoom (pinch) images.
  • Use three fingers to change window settings (brightness/contrast).
  • Time-Intensity Curve generation (CTRL + SHIFT + E).
  • Export files in DICOM format.
  • Zoom & pan synchronization.
  • Window settings (WW/WL) synchronization.
  • New controls for Cine mode, overlayed at the bottom of the screen when mouse hovers over image.
  • Cine auto start for US and XA series.
  • Edit ROIs:
  • Copy selected ROI (CTRL + C)
  • Copy all ROIs in displayed image (CTRL + SHIFT + C)
  • Paste ROI(s) in the same or in different image (CTRL + V)
  • Duplicate ROI in corresponding series (CTRL + SHIFT + D)
  • Duplicate ROI in all images of the series (SHIFT + ALT + D)
  • Delete ROIs in all visible images (SHIFT + DEL)
  • Open quickly multiple series (F4).
  • Change color scale in fusion images (click color bar).
  • Change fused image opacity (left mouse button down and drag over color bar).
  • Maximize/restore panel (button/double click on image/CTRL + M), you can switch between opened series in maximized panel using TAB.
  • Anonimize all visible patient data (SHIFT + F12).
  • Tools can be assigned to the middle mouse button (with WL/WW adjustment default).

Improvements and bug fixes:
  • Significant reduction of CD/DVD loading times (up to 3x faster).
  • Improved multiframe DICOM file reading from CD/DVD.
  • Detection of CD/DVD/Flash removal.
  • Toggle series preview bar visibility (CTRL+SHIFT+F4).
  • Toggle toolbar and status bar visibility (CTRL+SHIFT+F3).
  • Toggle ROI visibility (ALT+F12).
  • Change ROI label font size (CTRL+SHIFT+PLUS/MINUS).
  • Hold SHIFT during ellipse drawing to make it a circle, hold it while drawing a segment to make it horizontal or vertical.
  • Hold CTRL during ellipse drawing to show actual DICOM pixels area (only when image is magnified).
  • Ellipse ROI label shows actual DICOM pixels number used for calculations.
  • Close all panels (SHIFT + F4).
  • Click panel close button with CTRL pressed to clear the panel instead of closing it.
  • Options.xml file - change default options.
  • Zoom-to-region mode for zooming tool (available in options.xml).
  • Off-center zooming (retains desired image region visibility during zooming - available in options.xml).
  • Scroll wrapping can be disabled in options.xml file.
  • Added WW/WL presets for modalities other than CT.
  • Status bar shows remaining files during folder scan.
  • Displayed info about lossy compression of DICOM images (left top corner, below series number).
  • CTRL + C copies value to clipboard in DICOM tags window.
  • Improved support for images with VOI LUT defined.
  • Fixed a rare crash caused by images with "RAW" modality.
  • Fixed display of certain US images (e.g. Philips US systems, GE Vivid 7).
  • Fixed default cine rate setting (FPS).
  • Compatibility with Windows Server 2008 system was improved by removing the dependency on wmvcore.dll library.
  • Other minor features and bug fixes.

RadiAnt DICOM Viewer CD/DVD 1.1.8
built on August 28, 2012
Improvements and bug fixes:
  • Better support for the new enhanced multi-frame DICOM CT and MR files - measurements, default window parameters, auto synchronization, cross reference lines, MPR and image fusion.
  • SD (standard deviation) calculation in ellipse ROI.
  • Fixed issue with ellipse ROI calculations in fusion MPR (coronal and sagittal) images.
  • Faster DICOM load and export times.
  • Better memory management.

RadiAnt DICOM Viewer CD/DVD 1.0.4
built on April 14, 2012
New features:
  • Multiplanar reconstructions.
  • PET-CT fusion (other types of images can be also fused, e.g. DWI and conventional MRI sequences).
  • Screen splitting with a predefined column/row number (drag and drop series thumbnail images into viewports).
  • DICOM tags inspection window.
  • Angle measurement.
  • Cobb angle measurement.

Improvements and bug fixes:
  • The autorun package for CD/DVD contains both 32 and 64 bit versions.
  • Crash reporting tool.
  • More keyboard shortcuts (series navigation - Home/End, tool selection - C/B/M/W/Z).
  • Middle mouse button adjusts window level/width.
  • Support for PALETTE COLOR DICOM images.
  • Improved support for JPEG DICOM images.
  • Auto synchronization on/off switch.
  • Display cross-reference lines on/off switch.
  • ROIs drawn with an outline for better visibility on brighter backgrounds.
  • Movable ROI text labels.
  • Improved look of certain dialog windows when using non-standard DPI settings.
  • Ellipse tool shows minimum and maximum values in covered area.
  • More zoom presets added - 200, 400 and 800%.
  • Other minor features and many bug fixes.

RadiAnt DICOM Viewer CD/DVD 0.50.4
built on September 2, 2011
New features:
  • Export to movie files (WMV).
  • Export all opened series at once.
  • Support for DICOM overlays.
  • Show/hide annotations using button or shortcut (F12).

Improvements and bug fixes:
  • Faster image operations (zooming, panning) and lowered memory usage, especially with larger (CR, DX, MG) images.
  • Date and time formatted using local system settings.
  • Zooming using Ctrl + Mouse Wheel.
  • Menu items for adding images to the thumblist without clearing it.
  • Improved CINE display efficiency (interface was freezing with multiple cine runs at the same time).
  • Improved patient sorting in the thumblist.
  • Improved drawing of certain types of images (e.g. dose reports).
  • Improved color images display.