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An event camera, also known as a neuromorphic camera, silicon retina, or dynamic vision sensor, is a type of image sensor that detects and responds to changes in brightness on a local scale.
Conventional (frame) cameras use a shutter to take pictures, whereas event cameras do not. Instead, each pixel in an event camera acts separately and asynchronously, reporting brightness changes when they occur and remaining silent otherwise.
Event camera pixels respond to changes in brightness independently as they occur. Each pixel keeps a reference brightness level and compares it to the current brightness level in real time. If the brightness difference reaches a certain threshold, the pixel resets its reference level and creates an event: a discrete packet containing the pixel address and date. The polarity may also be present in events.
SWIR light is commonly characterised as light in the wavelength range, however it may also be classed. Due to the top limit of silicon sensors, SWIR imaging necessitates the use of specialized optical and electrical components capable of functioning in the particular SWIR range.
The major sensors used in SWIR imaging are indium gallium arsenide (inGaAs) sensors, which cover the conventional SWIR spectrum but can extend. Area-scan inGaAs sensors are often ITAR prohibited, despite the fact that linear line-scan inGaAs sensors are commercially accessible.
The International Treaty and Arms Regulations, or ITAR, are enforced by the United States government. For ITAR prohibited items to be made and/or marketed within and outside of the United States, rigorous export and import procedures must be followed. Nonetheless, lenses such as SWIR can be used.
An Event-based Vision Sensor (EVS) achieves high-speed, low-latency data output by detecting brightness changes, which each pixel perceives asynchronously, and only displaying the differential data after it has been combined with coordinate and time information.
This feature may be used in recognition processing systems to improve data providing efficiency, making it perfect for a variety of industrial applications such as fast-moving object detection, equipment monitoring, movement detection analysis, and picture identification.
The Global Event-Based SWIR Camera Market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Semiconductor Devices (SCD), a maker of uncooled infrared detectors and high-power laser diodes, has introduced the Swift-El SWIR detector.The Swift-El is a low-cost VGA format 10-micron pitch detector with a very low Size, Weight, and Power (SWaP).
According to SCD, it is the world’s first SWIR detector with event-based imaging capabilities, making it a game changer in the defense and industrial sectors.Its superior FPA detection capabilities allow tactical troops to identify numerous laser sources, laser-spots, Hostile Fire Indication (HFI), and other threats.
Its ROIC imager technology provides two parallel video channels in one sensor, one for normal imaging SWIR video and one for very high frame event imaging.
The Swift-El provides SWIR imaging that may be used in both day and low-light conditions, allowing for enhanced situational awareness, better atmospheric penetration, and a low-cost SWIR picture for tactical applications.
Additionally, its event-based imaging channel offers additional capabilities such as laser event spot detections, multi-laser spot LST capabilities, and SWIR event-based imaging, widening the area of target detection and categorization.
The Swift-El also adds new capabilities to machine vision applications such as production line sorting machines, smart agriculture, and others that require high-level SWIR image processing for autonomous machine decision-making. The Swift-El supports a full frame rate, which is critical for machine vision and AI algorithms.
SCD is pleased to introduce the Swift-El, the world’s first SWIR imager capable of event-based imaging.
Swift-El event-based imaging enables the next generation of AI-based systems by providing multi-domain battlespace multi-spectral infrared imaging for improved situational awareness, advanced automatic target detection and calcification, and target handoff across platforms and forces, all while increasing warrior lethality.
It also detects HFI, and all of this at a low enough cost that SWIR cameras may be integrated into high-distribution applications like weapon sights and clip-ons, drones, man-portable target designators, and more. The upgraded detector has already been shipped to early clients throughout the world, and anticipate a considerable increase in production in the coming months.
