PACS Viewers

This page provides comprehensive details about all supported viewers in the CrelioHealth PACS, including web-based viewers, native desktop applications, and their key features.

Supported Viewers

The PACS module supports multiple viewers to ensure optimal viewing experience across different platforms and use cases:

OHIF 2D Web-Viewer

This is a versatile, lightweight, web-based medical imaging viewer that runs entirely in your browser.

Key Features:

• Cross-platform compatibility: Works on Windows, macOS, and Linux through web browsers
• GPU-accelerated rendering: Optimized for speed and performance
• Annotation tools: Measurement, segmentation, and custom annotations
• Integration capabilities: Easy integration with existing PACS systems
• Open-source: Free to use and customize

Technical Specifications:

• Browser Requirements: Chrome 90+, Firefox 88+, Edge 90+, Safari 14+
• WebGL Support: Required for 3D viewing capabilities
• JavaScript: Enabled for full functionality
• Performance: Optimized for handling large medical image files

Supported Modalities:

• Digital Radiography (DX)
• Ultrasound (US)
• Computed Tomography (CT)
• Magnetic Resonance Imaging (MRI)

OHIF 3D Web-Viewer

OHIF 3D is the advanced version of OHIF with enhanced 3D & MPR capabilities.

Key Features:

• Advanced 3D rendering: High-quality 3D visualization
• Volume rendering: Support for volumetric data visualization
• MPR support: Multi-Planar Reconstruction for detailed analysis
• Enhanced graphics: Requires sufficient graphics capabilities on viewing PC
• Advanced tools: Specialized tools for 3D analysis and measurement

System Requirements:

• Graphics: Dedicated GPU with OpenGL 2.1+ support
• RAM: Minimum 8GB, Recommended 16GB or more
• Browser: Modern browsers with WebGL 2.0 support
• Internet Speed: >200 Mbps for large 3D datasets

Weasis - Native Windows Viewer

Weasis is a free, cross-platform DICOM viewer designed with a highly modular architecture.

Key Features:

• Free and Open Source: FLOSS (Free/Libre and Open Source Software)
• Cross-platform: Compatible with Windows, Linux, and macOS
• Multi-language support: Available in multiple languages
• High-performance rendering: Leveraging OpenCV library for quality imaging
• Modular architecture: Highly customizable and extensible

Supported Data Types:

• Most DICOM files including multi-frame, enhanced, MPEG-2, MPEG-4
• Parametric Maps (float/double data)
• RT (Radiotherapy) objects

Advanced Viewing Features:

• 3D Visualization: Volume rendering, MPR, Maximum Intensity Projection
• Measurement Tools: Length, area, angle, region statistics
• Image Manipulation: Pan, zoom, windowing, rotation, crosshair
• Layouts: Multiple series comparison layouts
• Synchronization: Advanced series synchronization options

Export Capabilities:

• Export DICOM files locally (ZIP, ISO, TIFF, JPEG, PNG)
• Send DICOM files to remote PACS servers
• Save measurements in DICOM Presentation States
• Dicomizer module for converting standard images to DICOM

OsiriX - Native MacOS Viewer

OsiriX is the world's most widely used DICOM viewer, known for its ultrafast performance and intuitive interface.

Key Features:

• FDA & CE Certified: Medical device certification for diagnostic use
• Ultrafast Performance: Optimized for speed and efficiency
• Intuitive Interface: User-friendly design for radiologists and clinicians
• Advanced Post-processing: 2D and 3D processing techniques
• Plugin Architecture: Extensible platform for custom tools
• Cross-platform: Native macOS application

Technical Specifications:

• Platform: macOS 10.15+ (Catalina or later)
• Processor: 64-bit computing support
• Multithreading: Optimized for modern processors
• Memory: 8GB minimum, 16GB recommended
• Storage: 100GB free space minimum

Advanced Features:

• 3D Navigation: Exclusive innovative techniques for 3D and 4D navigation
• Quantitative Measurements: ROI, segmented volumes, SUV measurements
• PACS Integration: Complete integration with any PACS system
• Teaching Files: Effortless creation of teaching files
• Research Tools: Advanced tools for research applications

OsiriX MD (Commercial Version):

• Price: From $69.99/month
• Features: Full diagnostic capabilities
• Support: Premium support and updates
• Certifications: FDA cleared, CE II labeled

OsiriX Lite (Free Demo):

• Purpose: Patient review and basic viewing
• Features: Core viewing capabilities
• Availability: Free download for macOS

Viewer Comparison

System Requirements Comparison

Web Viewers

OHIF 2D

• CPU: Quad-core processor or higher
• RAM: Minimum 4GB, Recommended 8GB
• Browser: Modern browser with WebGL support
• Internet: 50-200 Mbps depending on image size

OHIF 3D

• CPU: Quad-core processor or higher
• RAM: Minimum 8GB, Recommended 16GB
• Browser: Modern browser with WebGL support
• GPU: Dedicated GPU is recommended
• Internet: 200+ Mbps depending on image size

Desktop Viewers

Weasis

• OS: Windows 10/11, Linux, macOS
• Java Runtime: JRE 8 or higher
• Graphics: OpenGL 2.1+ compatible
• Storage: 100GB free space minimum

OsiriX MD

• OS: macOS 10.15+
• Processor: 64-bit Intel or Apple Silicon
• RAM: 8GB minimum, 16GB recommended
• Graphics: Dedicated GPU recommended

The choice of viewer depends on your specific needs, platform requirements, and budget considerations. All viewers provide excellent image quality and functionality for medical imaging applications.