Thermal Resolution Shootout

Author: Ethan Ace, Published on Dec 06, 2012

thermal testEven for thermal cameras, resolution is a critical differentiator. While no MP thermal network cameras exist, users must choose between the equivalent of CIF and 4CIF cameras or roughly double the resolution. Doing so is important because the cost increase between the two is massive, essentially doubling the price and adding thousands of dollars per camera. Is it worth it for the higher resolution, and if so, what situations?

The Test

To better understand the performance differences between these two resolution levels we tested the two options from three manufacturers - Axis, FLIR and Pelco - in very dark conditions as shown in the image above.

The test was done in a open field, at multiple distances: 300', 600', 1200', and 1800', as illustrated in this image:

Site Overview

And if you are thinking, "Wouldn't it be great if IPVM did a shootout of all these manufacturers head to head?", yes, that's coming up soon. We are building up to it but this one is extremely informative by itself.

thermal test**** *** ******* *******, ********** ** * ******** **************. ***** no ** ******* ******* ******* *****, ***** **** ****** ******* the ********** ** *** *** **** ******* ** ******* ****** the **********. ***** ** ** ********* ******* *** **** ******** between *** *** ** *******, *********** ******** *** ***** *** adding ********* ** ******* *** ******. ** ** ***** ** for *** ****** **********, *** ** **, **** **********?

The ****

** ****** ********** *** *********** *********** ******* ***** *** ********** levels ** ****** *** *** ******* **** ***** ************* - Axis, **** *** ***** - ** **** **** ********** ** shown ** *** ***** *****.

*** **** *** **** ** * **** *****, ** ******** distances: ***', ***', ****', *** ****', ** *********** ** **** image:

Site Overview

*** ** *** *** ********, "******'* ** ** ***** ** IPVM *** * ******** ** *** ***** ************* **** ** head?", ***, ****'* ****** ** ****. ** *** ******** ** to ** *** **** *** ** ********* *********** ** ******.

[***************]

Key ***************

*** ******** ** ********** *** *** ******* ******** ******** ******** and, ** **** *****, *** ***** ********** *******, ********* * higher ********, ****** ** ******* ***** **** *** ****** ********** one. ***** *** **** **** ********* *** **** ******** ***, we ********* ******* ******* ** ********** **** ****** *** *** validate ******** ********** ** **** ************.

*** ***** ******* ** ** ***** ******, *.*., ****** ***** of *****. *** ********, ** *** ***********, *** *** **** the ********* *** (** ****) ****** *** ******** ******** ** details *** *** *** *******. *******, ***** ******* *** **** applications ** ****** ***** *** ********** ** *** **** *****, perimeter, ******** ***** ****** ** ************ ************.

*** ***** ********* ******* ** **** ** ********* ****** **** feet. ***** **** '***' ******* ******'* ********* ***** ** ~**** feet, **** ********* *** ***** *** ~**** ****. *******, ** our ***** ** ****** **** ****, **** ******** ****** ** be ****** ***** ** *** **** ** *********. ** *** are ********** ******* **** **** **** **** * ***+ **** FoV, ** ** ******** **** **** ******** **** ********.

Image ******** **********

**** * ****** ***** ********* *** **** ******* *********** ******* CIF *** ****:

Image ************

*** **** ****, **** ************'* ******* **** ******* ******** *****, gain, *** ******** ******** ******** ********, ** ******* ** **** standardization ** ********. **** *** **** ******* *** ****** ******** settings, ***** *****'* ******* ** ***, ******* ********* ** ***** automatic ****.

Field ** **** ***********

******* ***** *** **** ***** ****** ****, **** ************'* ******* or ******* ****** *** * ******** ********* ***** ** **** than *** ******* *****, *** ** *********** ** ****** ****. We **** ***** **** ** **** ************'* *******. ****** *** lower-resolution ****** **** ******** ******** ****** ** ****, ******* ****** provide ****** ****** *** ********** ********** ****** * ******** ***** area.

Axis ***** **. *****

** ****** *** **** ******, * ******* ********** *****-* (~$*,*** ******) *** * ******* *****-* (~$*,*** ******). **** ** ***** ******* *** **** ******, **** ** and **-****** ***** ******* ************. **** ****** * ******* ***** detection ***** ** *,***' **** *** ***** *** *,***' **** the *****, **** ****** *** ****** ** ******.

***** *** ********* **-****** ***** **** **** **** ** ***** *****************.

** *** ****:

Axis 300'

** *** ****:

Axis 600'

** *,*** ****:

Axis 1200'

** ****** *,*** ****:

Axis 1800'

FLIR *-*** **. *-***

********'* * ******, ** ****** ** *-*** (******* ******, $*,*** ****) *** an *-*** (*******, $**,*** ****), **** ** *** **-****** ****, respectively. **** ****** ********* ** *,***' **** *** *-*** *** 3,740' ***** *** *-***.

***** ******* ** *** ***** **** ***** ******* ********** *********** * **-****** ****.

** *** ****:

FLIR 300'

** *** ****:

FLIR 600'

** *,*** ****:

FLIR 1200'

** ****** *,*** ****:

FLIR 1800'

Pelco ***** **. *****

*******, ** ****** ******** ***** ********* *******, **** **** **** ******, *** ***** (*******, ~$*,*** online) *** *** ***** (*******, ~$**,*** ******). **** ****, **** results ** ** *** **-****** ****** ** ****, ************. ***-****** **** ** **** ***** ********* ********* *** ******. ********* ***** ** ********* ** *,***' using *** ***** *** *,***' ***** *** *****.

** ***' ****:

Pelco 300'

** *** ****:

Pelco 600'

** *,*** ****:

Pelco 1200'

** ****** *,*** ****:

Pelco 1800'

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