dcm4che, a DICOM Implementation in JAVA Files

For more information about the viewer go to https://nroduit.github.io

• For downloading other types of packages go to this page
• Follow these instructions to install Weasis with the dcm4chee user interface.
• See How to launch Weasis from any environments to integrate Weasis into your own user interface.

Native Weasis installers

The native installers (msi, deb, rpm, pkg) replace the weasis-portable.zip package and no longer requires Java to be installed on the system. It also serves as a basis for launching Weasis from a web context using the weasis protocol.

v4.6.4 (2025-10-03)

Full Changelog

Implemented enhancements:

• Update to dcm4che 5.34.1 #738
• Update to OpenCV 4.12.1 #737
• Improve the display of interpolated curves in DICOM presentation states #734
• Enable direct series scrolling in multi-view configuration without selection #729
• Application freezes when using volume rendering on certain GPU configurations #723
• MPR: Image orientation correction for non-standard patient positioning using 3D matrix transformations #716
• Gantry tilt correction using backward mapping and trilinear interpolation #715
• JPEG-XL Support #658
• New behavior of 4D DICOM series splitting #739

Fixed bugs:

• Dotted artifacts in MPR rendering #731
• Images was cut in MPR view in v4.6 comparing to v4.5 #730
• Image info on 3D viewer. #728
• Text annotation encoding issue when saving annotations in DICOM Presentation State #725
• Font size of pixel graphic tool and text annotation does not follow preference settings #724
• Cursor icon not displaying correctly for current action and drawing #722
• Actual pixel size tools fail to work in MPR mode #717

Security fixes:

• Fix CVE-2025-53644 in OpenCV (jpeg2000 decoder) #736
• Code Injection via Apache felix plugin - CVE-2025-61585 #735