Virtual Offside Line (VOL) to Officiate in Football
DELTA-offside
DELTA-offside: FIFA-certified VOL integrating with your VAR infrastructure
DELTA-offside is a FIFA-certified Virtual Offside Line (VOL) solution providing high-precision 2D and 3D (stereoscopic) offside evaluation within your existing VAR environment.
Whether on-premise or in a remote production center, DELTA-offside adapts to your workflow.
Designed to be modular and interoperable, it integrates smoothly with third-party replay systems such as Riedel, Evertz, and SloMo.TV.
FOR REFEREES WHO NEED SPEED AND CERTAINTY
Key Benefits
FIFA Quality Certified
DELTA-offside has achieved FIFA Quality certification, confirming that our Virtual Offside Line (VOL) meets the highest standards of accuracy, calibration, latency, and system reliability. This makes it suitable for use in top-tier matches, whether in national leagues or international competitions.
Reliable on Every Pitch
Whether in a stadium or a regional training center, DELTA-offside intelligently adapts to your ecosystem. Powered by AI-assisted automation, it seamlessly fits into your workflow — handling any pitch size, lighting, or weather conditions, and working with any type of camera, fixed or PTZ, even in tight angles or very horizontal viewpoints caused by stadium constraints. It is designed for flexibility and built to handle real-world challenges.
2D and 3D Offside Evaluation
DELTA-offside supports both 2D and 3D offside evaluation, giving operators the flexibility to adapt to each situation. In 2D mode, offside is assessed from a single camera. In 3D mode, the system uses stereoscopic vision from two cameras to evaluate offside with higher accuracy. Operators can then display the most appropriate visual depending on the broadcast context.
Fast & Accurate
Powered by AI, DELTA-offside lets operators position the offside line with high precision and act quickly in decisive moments. Automatic pitch recognition speeds up the process, while manual adjustment with arbitrary points ensures accuracy even in complex camera angles. The system reduces latency and cognitive load, keeping decisions fluid and reliable under pressure.
Smooth Integration
Our system natively integrates with leading VAR technologies including Riedel, Evertz, and SloMo.TV. DELTA-offside is deployed as a plug-and-play module within your existing replay and broadcast infrastructure, eliminating the need for heavy reconfiguration and working seamlessly with any video streams.
Trusted Deployment and Premium Support
From on-site configuration to hands-on training, DELTACAST offers a complete support experience for federations, broadcasters, and VAR operators. Our team closely works with yours to ensure smooth deployment, full operational autonomy, and ongoing optimization.
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WORKS FAST, WITH FRAME ACCURACY
How It Works
COMPATIBLE WITH LEADING BROADCAST SYSTEMS
Fully Integrated
DELTA-OFFSIDE HIGHLIGHTS
SPECIFICATIONS
| Feature | Description |
|---|---|
| Offside Line Quality | FIFA Certified |
| Offside Evaluation | 2D (single camera), or 3D (at least two cameras) |
| Deployment | On-site, remote production, or hybrid |
| Camera Support | SDI, NDI, or image-based feeds from any VAR system |
| Compatibility | All VAR systems — native with Riedel, Evertz, SloMo.TV |
Want to see DELTA-offside in action ?
Let us show you how easy it is to add offside analysis to your officiating setup.