DIGITAL IMAGE PROCESSING
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How Night Vision Work








Night Vision scopes and binoculars are electro-optical devices that intensify (or amplify) existing light instead of relying on light source of their own. The devices are sensitive to a broad spectrum of light, from visible through infrared.An accessory illuminator can increase the light available at the infrared end of the spectrum by casting a beam of light that is not visible to the human eye.An infrared night vision system senses heat radiated by things and produces a video picture of the heat scene. The gadget that senses theImage enhancement - This works by collecting the tiny amounts of light, including the lower portion of the infrared light spectrum, that are present but may be imperceptible to our eyes, easily observe the image.
Thermal imaging - This technology operates by capturing the upper portion of the infrared light spectrum, which is emitted as heat by objects instead of simply reflected as light. Hotter objects, such as warm bodies, emit more of this light than cooler objects like trees or buildings.
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