- About Weasis
- Getting Started
- Release History
- Build Weasis
- General Features
- Viewer Features
- Community and Support
- License
Weasis is a powerful, multifunctional, and open-source DICOM viewer designed for both standalone and web-based use. It excels in medical image visualization and is widely used by healthcare professionals and research institutions. Engineered for seamless integration with PACS and DICOM workflows, Weasis offers a reliable solution for modern medical imaging needs.
See CHANGELOG
- Open source DICOM viewer under EPL 2 or Apache 2 license
- Flexible integration with PACS, VNA, RIS, HIS, or PHR (see integration documentation)
- Desktop distributions (Windows, macOS, and Linux)
- Web access through weasis protocol
- Responsive user interface working well on high DPI screens
- Multi-language support
- Configuration of preferences on server-side and client-side
- API for building custom plug-ins
- DICOM Send (storeSCU and STOW-RS)
- DICOM Query/Retrieve (C-GET, C-MOVE and WADO-URI) and DICOMWeb (QUERY and RETRIEVE)
- Dicomizer module to convert standard images into DICOM files
- Embedded DICOM viewer in CD/DVD or other portable media
Viewer Features (see also Tutorials)
-
Data type support
- Display most DICOM files including multi-frame, enhanced, MPEG-2, MPEG-4, MIME Encapsulation, DOC, SR, PR, KOS, SEG, AU, RT, and ECG
- Display DICOM image containing float or double data (Parametric Map)
- Import and export DICOM CD/DVD with DICOMDIR
- Import and export DICOM ZIP files
- Viewer for common image formats (TIFF, BMP, GIF, JPEG, PNG, RAS, HDR, and PNM)
-
Exporting data
- Export DICOM files locally with several options (DICOMDIR, ZIP, ISO image file with Weasis, TIFF, JPEG, PNG...)
- Send DICOM files to a remote PACS or DICOMWeb server (C-STORE or STOW-RS)
- Save measurements and annotations in DICOM Presentation States or XML file
-
Viewing and image rendering
- Support of several screens with different calibration, support of HiDPI (High Dots Per Inch) monitors, full-screen mode
- Image manipulation with mouse buttons (pan, zoom, windowing, rotation, scroll, crosshair)
- Support of DICOM Modality LUTs, VOI LUTs, LUT Shapes, and Presentation LUTs (even non-linear)
- Apply DICOM Presentation States (GSPS) and display graphics as overlays
- Support DICOM Overlays, Shutters, and DICOM Pixel Padding
- Volume rendering with 3D presets
- Layouts for comparing series or studies
- Advanced series synchronization options
- Display cross-lines
- 3D cursor
- Oblique Multi-planar Reconstruction (MPR)
- Maximum Intensity Projection
- Persistent magnifier glass
-
Measurement and annotation tools
- Length, area, and angle measurement
- Region statistics of pixels (Min, Max, Mean, StDev, Skewness, Kurtosis, Entropy)
- Histogram of modality values
- SUV measurement
-
Specific viewers
- DICOM ECG: display all the DICOM waveforms and allow to make some measurements
- DICOM SR: structured report viewer with hyperlinks to images and associated graphics
- DICOM AU: audio player (allow to export to WAV files)
-
Other tools
- Printing views to DICOM and system printers
- Apply and Create DICOM Key Object Selection by selecting images with the star button
- Display and search into all DICOM attributes
- DICOM RT tools for radiotherapy: display RT structure set, dose, and DVH chart
Weasis encourages community participation. Whether you’re reporting bugs, suggesting features, or seeking help, you can connect with others here:
Weasis is dual-licensed under the EPL 2.0 and Apache 2.0.