Night Vision
Published on Nov 21, 2015
Night Vision
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PRESENTATION OUTLINE
Night Vision
- Night vision is the ability to see in low light
- Combination of two ability:
- 1-Sufficient spectral range
- 2-Sufficient intensity range
- Has two types
Photo by Outside the Fray
Biological Night Vision
- Effective by absorbing light
- A tissue layer called the tapetum lucidum
- Humans lack of it
- Nocturnal mammals have unique properties
Photo by Outside the Fray
Technological Night vision
- 3 main categories
- 1-Image Intersification
- 2-Active Illumination
- 3-Thermal Imaging
Photo by Outside the Fray
Image Intensification
- Magnifying the amount of received photons
- Night glasses or low light cameras
Active ıllumination
- coupling imaging intensification technology
- with an active source of illumination
- low light cameras
Thermal ımaging
- Detecting the temperature difference
- Some organisms are able to sense a crude thermal image
