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Spectral resolution, that define the smallest spectral variation that the system is able of distinguish; Radiometric accuracy, that says how accurate is the system in measuring the spectral reflectance percentage; The most used way to achieve spectral imaging is to take an image for each desired band, using a narrowband filters.
The term "forward-looking" is used to distinguish fixed forward-looking thermal imaging systems from sideways-tracking infrared systems, also known as "push broom" imagers, and other thermal imaging systems such as gimbal-mounted imaging systems, handheld imaging systems, and the like. Pushbroom systems typically have been used on aircraft and ...
Data from both the I band and K band return signals indicate target range and can be used to identify, and respond to the use of, electronic countermeasures (ECM). The dual-band system also reduces the effect of clutter, which can mask the target at low altitude. A camera system on the assembly provides a visual fall-back for the system operator.
In an analog system, the signal is continuous, but in a PCM digital system, the amplitude of the signal out of the digital system is limited to one of a set of fixed values or numbers. This process is called quantization. Each coded value is a discrete step... if a signal is quantized without using dither, there will be quantization distortion ...
Saab AB began offering a multi-spectral personal camouflage system known as the Special Operations Tactical Suit (SOTACS) as early as 2005. [15] And as of 2018, multiple countries are phasing out legacy camouflage systems with multi-spectral systems. [16] [17] In 2024, IIT Kanpur introduced Anālakṣhya, a Meta-material Surface Cloaking System ...
Image stabilization (IS) is a family of techniques that reduce blurring associated with the motion of a camera or other imaging device during exposure.. Generally, it compensates for pan and tilt (angular movement, equivalent to yaw and pitch) of the imaging device, though electronic image stabilization can also compensate for rotation about the optical axis (). [1]
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Flock's most popular products, the Falcon and Sparrow, are cameras which monitor traffic and photograph the rear of all passing vehicles. Their software uses artificial intelligence to read the vehicles' license plates and identify other distinguishing visual characteristics, sending that information to a central server via cellular network. [13]