With support for a comprehensive set of sensor effects, Vega Prime IR Sensor is ideal for simulating devices that operate in any of the wavelengths supported by Vega Prime IR Scene, including electro-optical (EO) imagers, night vision goggles (NVGs), and medium and long wave infrared devices.

IR Scene

Vega Prime IR Scene computes and displays quantitative sensor images of natural features, cultural features, and dynamic objects at real-time frame rates.  Both Sensor Prime and Vega Prime use the same OpenFlight source data for geometry, providing you with fully correlated out-the-window and sensor views.

As the most comprehensive COTS toolkit for generating quantitative real-time 3D sensor images, IR Scene supports the rapid creation and deployment of accurate sensor views, including EO, NVG, FLIR (MWIR), and LWIR.  With IR Scene, accurate sensor views can be easily added to any Vega Prime application using either a flexible API or the LynX Prime GUI interface.

IR Scene computes the apparent radiance of a scene from the position and orientation of the observer, producing quantitative radiance values in each pixel in units of W/cm2/sr.  Without using a page-and-replace scheme, IR Scene also supports dynamic changes in scene temperatures as well as per-texel diurnal effects for geospecific/typical databases.

The radiometric calculations used by IR Scene contain components for modeling reflected solar and lunar energy, reflected ambient skyshine energy, path emission and scattering, and thermal emittance.  Optimized for real-time performance, the solution of the radiometric equation involves calculations of both reflected and emitted radiance.  And, given that the spectral band of some sensors is not sensitive to both types of energy, IR Scene allows for the solution of the radiometric equation to include only the desired calculations for optimal performance.

IR Scene is the ideal environment for rapidly creating and deploying accurate real-time sensor simulation applications for simulation or training purposes, and it boasts the following features:

• accurate, physics-based atmospheric modeling,
• floating point scene generation prior to rendering,
• dynamic per-texel time of day radiance,
• geo-specific material encoding for all materials and mixes, all altitudes, and all orientations for up to four atmospheric models,
• sample database of 161 accurate materials included.

IR Sensor

Vega Prime IR Sensor adds realistic sensor effects to scenes generated with Vega Prime IR Scene that match the characteristics of a wide range of sensors using vis-sim-style graphics parameters or real-world analytic sensor parameters.  With support for a comprehensive set of sensor effects, IR Sensor is ideal for simulating devices that operate in any of the wavelengths supported by IR Scene, including electro-optical (EO) imagers, night vision goggles (NVGs), and medium and long wave infrared devices.

With IR Sensor, you can produce analytically correct effects based on real-world sensor parameters and have them rendered at real-time frame rates.  Using either a flexible API or a point and click GUI interface, you can also rapidly add, create, and deploy accurate real-time sensor effects to your simulations.  In addition, IR Sensor allows you to easily add sensor effects using either the visually qualitative “Graphics Style” parameters or the more analytically quantitative “Analytical” Parameters.

 IR Sensor supports the following effects:

• Blur (System MTF)
• Multiplicative and Additive Fixed Pattern Noise
• Saturation
• Random temporal Noise
• Sampling Artifacts
• Automatic and manual Gain and Level
• Polarity Inversion
• Jitter
• Light Point Blooming
• Phosphor Persistence
• AC Coupling
• Scintillation