This document discusses night vision technology, which allows vision in low light or no light conditions. It describes two main methods: image intensification and thermal imaging. Image intensification amplifies available light while thermal imaging detects infrared radiation emitted as heat. The document outlines various night vision devices, their applications in fields like military, hunting and security, and concludes that night vision technology has improved accessibility without much skill required and helped reduce accidents.

1. NIGHT VISION TECHNOLOGY
NAME:

2. CONTENTS
• ABSTRACT
• INTRODUCTION
• EXISTING SYSTEM AND DRAWBACKS
• METHODOLOGY
• DESIGN(ARCHITECTURE)
• APPLICATIONS/USES
• CONCLUSION
• REFERENCES

3. ABSTRACT
"Night Vision" is referenced as innovation that gives us the supernatural occurrence of vision in all out dimness
and the change of vision in low light conditions. Night vision in a spy or action movie you’ve seen, in which
someone straps on a pair of night vision goggles to find someone else in a dark building on moonless night.
With the proper right vision equipment, you can see a person standing over 200 yards (183m) away on a
moonless, cloudy night. This innovation is an amalgam of a few unique techniques each having its own
particular focal points and inconveniences. The Night Vision Technology has the different Night vision
techniques. The most widely recognized techniques depicted here are Low-Light Imaging, Thermal- Imaging
and Image Enhancement. It additionally give brief thought regarding different night vision gadget (NVD) that
enables pictures to be created in levels of light moving toward add up to darkness, it likewise clarifies different
applications where night vision innovation is utilized to take care of different issues because of low light
conditions.

4. INTRODUCTION
• It allows one to see in the dark.
• Originally developed for military use, it has provided UNITED STATES with
a strategic military advantage ,whose value can be measured in life's.
• Night vision equipment has evolved from bulky optical instruments in
lightweight goggles through the advancement of image intensification
technology.
• Night vision can work in two very different ways, depending on the
technology used.
• Image enhancement
• Thermal imaging

5. EXISTING SYSTEM
• Thermal imaging cameras are excellent tools for night vision. They
detect thermal radiation and do not need a source of illumination.
They produce an image in the darkest of nights and can see through
light fog, rain, and smoke (to a certain extent). Thermal imaging
cameras make small temperature differences visible.
DRAWBACKS
►Images are difficult to interpret in specific objects having erratic
temperatures.
►Accurate temperature measurements are hindered by differing
emissivities and reflections from surfaces.
►Thermal imaging cameras are not used for study of under water
objects.

6. METHODOLOGY
• Night vision technology works in two different ways, namely Image
Intensification and Thermal Imaging.
• Image intensification:
This method basically involves ambient light amplication. It works by being
able to detect low levels of light and then amplify it.
• Thermal Imaging:
This approach requires capturing the upper portion of the infrared light
spectrum emitted as heat energy by objects instead of being simply reflected
as light.

7. DESIGN(ARCHITECTURE)
• The image-intensifier tube
changes
• photons to electrons and back
again

8. NIGHT VISION DEVICES
Googles
Cameras
Scopes

9. ADVANTAGES AND DISADVANTAGES
ADVANTAGES:
• No particular skill required.
• Accident cases reduction.
• Compact system.
• 3x range visual.
DISADVANTAGE :
The only disadvantage is that the initial cost is high.

10. APPLICATIONS
• Common applications for night vision include:
• Military
• Hunting
• Wildlife observation
• Surveillance
• Security
• Navigation
• Hidden-object detection
• Entertainment

11. CONCLUSION
Many people are beginning to discover the unique world that can be found after
darkness falls. If you’re out camping or hunting a lot, chances are that night vision
devices can be useful to you – just be sure to get the right type for your needs. Night
vision technology allows people to see in dark and to avoid various low light problem.
The Night vision device (NVD) is undoubtedly one of the most enduring features of the
automobile industry. It has lasted from its initial introduction in 2000 to the present day
and in some places, still hardly different from its Victorian origins. There have been
many improvements over the years without any skill required.

12. REFERENCES
⮚www.night vision.com
⮚www.researchgate.net/publication/317609684_Night_Vision_Tec
hnology_An_Overview
⮚IJSART - Volume 3 Issue 8 –AUGUST 2017