Thermal Camera

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Thermal Camera

Usage of Thermal Imaging camera Engine or Core

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Thermal imaging camera cores, also known as thermal camera modules or thermal camera engines, are key components used in the construction of thermal imaging cameras. These camera cores are integrated into various applications where thermal imaging is required. Here are some common usage scenarios:

Security and surveillance: Thermal imaging camera cores are extensively used in security systems for monitoring and surveillance purposes. They can detect human and animal presence by capturing their heat signatures, even in low light or obscured conditions. This makes them valuable for perimeter security, intrusion detection, and surveillance in areas such as airports, borders, and industrial facilities.
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Handheld Thermal Camera or Online Thermal Camera

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Definition of Handheld Thermal Cameras are those which are battery operated, can be carried in hand and used for measuring temeprature on demand. Few examples are HandHeld Thermal Cameras are those used for periodic inspection of electical equipments, or any other equipments which require periodic temperature measurment.
“Online Thermal Cameras” are normally installed at a fixed location independently or in a PT ( pana nd Tilt) enclosure to monitor an area continuously. Few exampels are Online Thermal Cameras are Kiln Monitoring Camera, Flare Stack Monitoring Camera etc.

As Thermal Camera is not widely known and discussed or used like mobile phones, many first time users may not be able to decide what kind of thermal camera one should use to real world problems. Any periodic measurment which requires to be automated with higher accuracy, should use online thermal camera instead of handheld thermal camera. HandHeld thermal camera is always operated by a human as the name suggests.
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Teledyne Flir And Thermal Camera in coming days

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Teledyne Acquiring Flir (World Leader in Thermal Camera world) is an old news, but most probably, its a significant milestone in Thermal Camera industry. While low cost Chinese made thermal cameras have becoming popular, but after COVID19, many countries have stressing to buy thermal camera products made in Western countries.

COVID19 has also created a niche market where combining thermal camera and visual camera made an useful solution. While ther have been other application where both thermal and visual cameras were used, like in surveillance, this was the first time image processing and thermal camera have been combined to make a solution. Teledyne, visual camera and image processing company with intersts in many industries, acquiring the largest thermal camera company seems to be a natural progression for both Teledyne and Flir. Together, they could most probably, make very robust and useful solutions by combining thermal imagery and image processing software to solve many real world problems.

Surveliance and military applications of thermal camera may see huge technical improvements in coming days. We should hope for some solution which will combine various technologies like RADAR, Thermal camera, Machine Learning and wireless communication. These solutions could be useful in industrial as well as security & syrveillance as well as military applications.

List of Thermal Camera Manufacturers

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Covid19 pandemic has given a widespread publicity to Thermal Cameras or Thermal Screening solutions in every domain of human life in 2019. Many thermal companies grew big way during this #COVID19 as industries, public institutions installed automatic thermal screening solutions.

Here is a list of Thermal Camera Manufacturers :
( This is not a complete list, I will keep adding the list of thermal companies. If your company is not listed here, please leave a comment so that I add it asap.)

1. FLIR
I think FLIR is the leader in Thermal Camera in the world.
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Few Optical Parameters one should know about Thermal Camera

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While thermal camera or thermal sensor has many important technical parameters which will determine its accuracy of temperature measurement, there are some optical parameters which one should know to determine its real world usage. Like a normal camera, Thermal Camera also has very important component, lens which will influence the temperature measurement. I will be trying to list and explain those optical parameters one should know or consider while selecting a thermal camera for specific application

1. FOV ( Field Of View) : This is one of the widely known or mentioned optical parameters or specification mentioned in any thermal camera. It can be considered as an window or a solid angle through which electromagnetic radiation will enter into the sensor of the thermal camera and the size of the window is the “field of view” of the camera for that distance. Now, it should be evident that, as its an angle, it will get wider and wider as it goes far from the sensor. This angle of view is dependent on focal length of the lens, longer the focal length, narrower the angle of view is and shorter the focal length, wider the angle of view would be. But the FOV is not dependent fully on the focal length of the lens, but also the sensor or detector size and its pixel pitch as well as its pixel count, both horizontally as well as vertically.
Normally, for a same pixel count, if the pixel pitch is greater, it will have greater FOV than the one with smaller pixel pitch.
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Thermal Camera or Thermal Sensor ?

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Since its called “Thermal Camera”, a normal person or a newbie in “thermal imaging” world, might think this equipment to be a camera. While the end result is an “image”, thermal cameras are actually sensors, which senses heat. So, most probably, “Thermal Camera” could be a misnomer while “Thermal Sensors” could be the right word instead of thermal camera.

Thermal Camera is surely made in camera style in construction as well as components. It consists of lens, a sensor as well as other parameters just like a normal camera. It differs from normal camera in two ways:- … Continue Reading about Thermal Camera or Thermal Sensor ?