Nemosys: An Advanced Solution for Modern Surveillance and Protection Needs
Displayed prominently on the tarmac at WDS within the dedicated area of Saudi company TET, Exavision’s Nemosys presents itself as a sophisticated long-range electro-optical solution tailored to meet contemporary surveillance and security requirements. Engineered and produced in France, this system merges indigenous technology, premium sensors, and sophisticated processing capabilities to ensure continuous day-and-night surveillance across land borders, coastal perimeters, critical infrastructure, and counter-unmanned aerial systems (C-UAS) operations.
Modular Design and Configuration Flexibility
Nemosys features a modular, two-axis pan-and-tilt optronic turret equipped with a suite of complementary sensors optimized for extended-range observation. Depending on the designated configuration, the payload typically includes:
- A full-HD daylight camera with high-performance continuous optical zoom
- A cooled medium-wave infrared (MWIR) thermal imager for nighttime and adverse weather detection
- An optional eye-safe laser rangefinder
This flexible design allows Exavision to customize each deployment to the user’s operational profile, catering to applications ranging from medium-range perimeter vigilance to exceptionally long-range coastal and border monitoring.
Gyro-Stabilization for Enhanced Performance
The turret’s gyro-stabilization system ensures that the sensors maintain a steady line of sight, even when mounted on vehicles or other structures that experience vibration. This stabilization, alongside high-precision drives on both the azimuth and elevation axes, provides smooth motion for extensive area searches and rapid slewing for target identification and tracking. Consequently, Nemosys can swiftly transition from search to identification while maintaining stable images at significantly high zoom levels.
Advanced Imaging Capabilities
The visible-band camera offers continuous optical zoom, allowing operators to shift from wide situational awareness to detailed recognition at great distances. This feature enables users to effectively scan a sector, detect potential contacts, and then zoom in for fine-grained details on vehicles or individual behaviors, all within a single sensor channel. The optical path is meticulously designed to retain image quality across the zoom range, mitigating issues associated with excessive reliance on digital zoom.
The MWIR cooled thermal channel resides at the heart of the system’s nighttime and low-visibility effectiveness. Leveraging a cooled focal plane array, the thermal imager provides high sensitivity and contrast, facilitating the detection of human-sized and vehicular targets at extensive ranges, even under challenging conditions such as haze, light fog, or elevated ambient temperatures. When paired with its own continuous optical zoom, the thermal module not only detects but also aids in recognition and, under certain conditions, identification by showcasing thermal signatures and contours invisible to the human eye.
Precise Target Measurement and Geo-Referencing
An optional integrated laser rangefinder, bore-sighted with the electro-optical axis, allows for the precise measurement of target distances at the touch of a button. Coupled with the turret’s position and orientation data, this feature enables the rapid geo-referencing of points of interest and the generation of accurate target coordinates essential for command-and-control systems or fire-control networks. This capability is particularly beneficial in joint surveillance frameworks, where interoperability is paramount.
Integration and Operational Efficiency
Beyond hardware specifications, Nemosys is developed around an open electronic and software architecture conducive to smooth integration into prevailing command-and-control and security management systems. Utilizing standard IP and video streaming protocols, the system can be deployed over existing infrastructures. Remote operation is facilitated from control rooms, mobile command centers, or integrated security platforms.
The software suite from Exavision enhances operational effectiveness by offering advanced video management, recording, playback, and multi-sensor fusion functionalities. Operators can set patrol patterns, alarm zones, and automated sensor cues in response to alerts from other detection systems such as ground surveillance radars and coastal sensors. Recent iterations of Nemosys also incorporate embedded processing and AI-based video analytics, enhancing automatic detection, classification, and tracking of targets like vehicles, small boats, and drones. This technology diminishes operator workload, amplifies responsiveness, and assists in discerning genuinely suspicious activities from routine occurrences.
Key Differentiators
Nemosys presents several distinct operational advantages compared to contemporary long-range camera systems:
- Continuous Optical Zoom: Both visible and thermal channels offer seamless optical zoom capabilities, yielding high-quality imagery, particularly beneficial for border, coastal, and critical infrastructure defense.
- Modular Family Approach: The system’s modular design caters to varying user requirements, allowing selection of medium- or extra-long-range variants and tailored sensor mixes. This facilitates common logistics and training across the fleet, easing life-cycle costs and simplifying upgrades.
- Technological Sovereignty: Developed and manufactured in France with a controlled supply chain, Nemosys circumvents many export restrictions and political limitations associated with foreign technologies. This aspect resonates with customers like Saudi Arabia, which prioritize top-tier performance alongside autonomy in their national and regional security architectures.
Alignment with Regional Security Needs
Nemosys’s presence at WDS within TET’s area underscores how well it aligns with Saudi Arabia’s security and defense priorities. The Kingdom’s extensive borders, vast coastal areas, and high-value energy installations necessitate reliable, long-range, 24/7 surveillance systems capable of early threat detection and rapid response. Nemosys can serve as the electro-optical backbone of layered surveillance networks, effectively covering land approaches, maritime traffic, and low-altitude airspace.
In the face of counter-UAS and hybrid threats, the combination of high-resolution EO/IR imaging, extended-range detection capabilities, and AI-assisted tracking establishes Nemosys as a formidable complement to conventional sensors like radar and RF detectors. It can visually validate and categorize small, fast, or low-signature targets detected by other systems, thereby empowering decision-makers to distinguish between genuine threats and benign activities before deploying limited resources.
Exavision’s Nemosys emerges as a sovereign, modular, and technologically advanced long-range optronic solution, providing TET and its Saudi clients with a viable and future-ready asset to secure borders, coasts, and critical infrastructure amid a rapidly evolving threat landscape.
