Thermal Camera Tutorial

By Ethan Ace, Published Jan 23, 2013, 07:00pm EST (Info+)

Thermal cameras can deliver where visible conventional cameras fail, but they come with significant tradeoffs which must be considered. In this tutorial, we cover these topics, including:

Why Thermal?

  • ******* ***** ******
  • *********, ** ***********
  • ********* ***********
  • **** *****
  • ***** **. ***/****
  • ******* **** *********
  • ****

** ****** *** **** *********** *** go, *********** ************ ******* **** ****** have *********** ****** **** ***** ****** are *** ** ****** ** ********. Since **** ** *** **** *****, instead ***** ******** ********* ** ******* images, ******* ******* *** *** ** applications ***** ****** ****. **** ****** is **** ********** **. ***/***** ********, **** *** ******* ****** ********* an ***** ***** *** ******* ****** does ***:

thermal dn comparison

Uncooled ** ******

**** ******** **** ******* ******** ******* cameras, *** **** ******** **** ****** in ************. *******, ****** ******* *** see *** ******* *** **** **** more. *** ****'* ******** ** ****** note [**** ** ****** *********] *** a ******** ** ****** *******.

Image *******

***** **** ** *** *** ******* light, ******* ******* ** *** ********* color, *** **** ******* ******* ***** or ******* ** ******* *********** *** lost. *********** ****, ***** ***** ********** results ** ***** ***** *******, ******* reducing ******. ** ***** ******, ********** with *** *******, **** ******* *** be ***********, **** ** ******** *****, or * ***** ******* *** ** recognizable, *** ***** *** ********* ******** cases, *** *** ****.

***** ****** *** ******** ** ******* cameras ** ***** *** **** ******. Note *** ******* ***** *** ** made *** ** *** ******* ** the **** ***** (***, ****, *****, glasses, ***.), ***** ** *** *** image, *** ******* ** **** * few ****** ******* ******* *** **********:

Thermal range examples

****** ******* *******, ***** ********** *** outweigh ***** ******* ** *******, ******** is *** **** ********* ****** ********* thermal ******' *********. *** *******, ** we **** ** ***** ****** **** our ***** ** ******* ******* ***** snowing, ** *** *** *** ********* in ******** **** ***** ** **** results ** **** ********** ** ******* objects:

Start of stormEnd of storm

Thermal **********

****** ******* ***** *******, ***** *** megapixel **** *********, ******* ****** ********** has ******** ****** ******, **** **** resolution, *** * ***, ***** **** common, ****** **** ****** ************* ***** a ******** ****** **********, *******. ******* resolution ** *** ******* ******* ******* commercially *********, *** ********* **** ******* over *** * *** *******. **********, resolutions ***** **** **** ******, **** as *** * ***, *** ***** are ******* ***, **** ************* ************* these ****** ** ****** ********** ****** costs **** ****. ** *********** *** differences ******* **** *** *** ******* in ********** ********** ********.

******

****** ******* *******, ***** ** ****** and ********* ****** *** **********, ******* cameras ****** ****** *** ***** ***** length ******. **** ********* ******* *******, one ***** ** ********* ***** *** determine **** **** ****** / *** they ****. ********* **** ****** *** available, *** *** ******* ******-*** ***/****/**** *******, *** *******, *** *********** ******** unit ****.

******* ****** ****** *** ********* ******** from*********, ** ***** ** *** ********* transparent *** ******** ****** ******* *******. This ** *** ****** ******* ****** price ********* ** **** **** **** up, ** ****** ****** ** ********* are **** ********* ** ****** *** machine.

How *** *** * ******* ****** ***?

******* ******* *** *** *** *** are ********* ******** ** * *** factors:

  • **** ******: ******* ******* *** ********** ********* from ** ****** ** **** **** 10 ****** ********** ****. **** *** cameras, *** ******** *** ***, *** farther *** ****** *** *** (**** a ******* ******** ****).
  • **********: *****, ** ***** *****, *** practical ******* *** **** ****** ** surveillance (**** *** ***), ****** *** tests *** *** **** **** ******** benefits***** **** **** ** ***.
  • ************* **********: ******* ** **** ****** **** conventional ******* *** *** ** ********** by ******* ************* **********. *** ********, heavy **** ** **** *** ****** visibility ** **** ** *** ************ close ** **** ** * ***** being.

Fixed **. ***/****

***** ********* **** **** ******* ****** providers, ***/**** ****** *** ***** ********** uncommon. **** *****, ******* ******* ******* consist ** * ***** ****** ******* on * ***/**** **********, ***** **** digital ****, *** ** *** **** price ** ******* **** ******. ******* speed **** ******* **** ******* ** become **** ******, ********, *** [**** ** ****** *********], and ***** [**** ** ****** *********] all ******** ****** ** **** **** factor.

******* **** ** ******* **** ****** in ******* ******* **** *******. ******* the ****** ** **** ********* ********* level *****, ***** ***** ** **** ranges, * **** ******** *** **** be * *** ****** ** ******. The ******* ** ********* **** *** camera ** **** **** ** ******** does *** ******* ********** ******, *** by ****** ********* *** ******, *** subject *** ** ****** ** ***.

Thermal **** *********

******* **** ******* * ******-******** ***** in ******* **********, ******* ******* *** often ********* *** *********. ********** ** low ***** ******, **** * ******* camera *** ******* ***** ***** *** to ********* ****, ******* ******* *** be **** *********. ************, ******* ********** shadows *** **********, *** ****** ******** for ************ *******. *******, ******* ******* *** still ** ******** ** ****** **** branches *** ******* ******, *** ****** challenges *** *********, ** ***** ******* still ******** ****, ******** *** ***** as **** ****.

******* ** ***** ******* ** ****** object ***********, ******* ******* *** ** used *** *********** ********* ***** ******* cameras ******, ******** **** ************ ****** pre-set **********. *** ******** ** **** are *** **** * ******, ******** at ******* *********, *** *** ***** EyeSec **, ***** ******** ******* **** detection ** ****** ** ** ***** miles.

************

******** ** ******* *******, ***** *** only * ***** ****** ** ******* camera *********. ***** ***** ***** ******* in *** **********, ** ***/**** ********, though ***** **** ****** **** ****** as **** **** **. ****** *** most ****** ************ ******, *** **** **** ******* ******* until ***** ****** *********** ** ***** and *********. ***** ****** ***** **** as****,*****, ************* ******** ******, **** ********** ************* such ******************* ******* ******* ******* ****.

****

******* ******* *** ************ **** ********* than ************ *******. *** ****** **** thermal ******* ********* ***** **** * street ***** ****** $*,*** ***, ****** these *** ********. *********, ***** ****** expect ** *** ~$*,*** *** *** a ******* ******, *** $*,*** ** more *** * *** ******. ****-*** PTZ ******* **** **** ****** ****, from **** ** ********* ** ******* through *** *******.

***** ******* ****** **** **** **** over *** **** ******, **** **** neither *** *** ********* ****** ** thermal ************* *** **** ***** ** eliminating *** ***** ***.

*********/************

** *******, *** ********* *** ********** of ******* ******* *** ** *******:

  • ********: ******* ** *** ** ** light **********.
  • ********: **** ** ******* ****** ** adverse ********** **** ** ***** *** fog.
  • ********: ****** ********* ******* **** ******* cameras ** ****** ******.
  • ********: ****** ** ** ****** ** images.
  • ********: **** **** ********* **** ******* cameras.
  • ********: ********* *********** ******* ** ***** or *** ************.
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