Patent
Fusion night vision system
TLDR
In this article, an edge detection filter circuit was used to aid in acquiring and identifying targets in a fusion night vision system with image intensification and thermal imaging capabilities. But, it was not shown how to combine the thermal image with the image intensifying image without obscuration of the intensification image.Abstract:
A fusion night vision system having image intensification and thermal imaging capabilities includes an edge detection filter circuit to aid in acquiring and identifying targets. An outline of the thermal image is generated and combined with the image intensification image without obscuration of the image intensification image. The fusion night vision system may also include a parallax compensation circuit to overcome parallax problems as a result of the image intensification channel being spaced from the thermal channel. The fusion night vision system may also include a control circuit configured to maintain a perceived brightness through an eyepiece over a mix of image intensification information and thermal information. The fusion night vision system may incorporate a targeting mode that allows an operator to acquire a target without having the scene saturated by a laser pointer. The night vision system may also include a detector, an image combiner for forming a fused image from the detector and a display, and a camera aligned with image combiner for recording scene information processed by the first detector.read more
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References
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Patent
Video enhanced night vision goggle
TL;DR: In this article, a man portable video enhanced night vision goggle comprised of a head mount assembly, an image intensified video camera, and a display was provided, and the images from the video camera and the thermal camera may be electronically fused on the display.
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Image intensifier and LWIR fusion/combination system
TL;DR: In this paper, an infrared imaging device combines two sensors, each sensor sensitive to a different spectral range of infrared radiation, in a single camera sharing one of three common optical apertures, thus parallax is eliminated between the sensors.
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Composite visible/thermal-infrared imaging apparatus
TL;DR: In this article, a multispectral imaging apparatus for producing a composite dual wavelength visible/infrared image includes a wavelength independent focus reflective optical system for receiving a visible and infrared radiation from a scene and for providing a focused beam of radiation.
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Compact see-through night vision goggles.
TL;DR: In this article, a compact night vision goggles apparatus (400, 500, 600) is described, which provides the user with both a direct or unintensified image and an intensified image via first and second intersecting optical paths.
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Enhanced vision system sensitive to infrared radiation
TL;DR: In this article, an enhanced vision system and method for use with vision systems with an imager sensitive to infrared radiation of less than 2-microns in wavelength, to produce a first image signal.