4 Biggest Low Light Problems

Author: Brian Karas, Published on Oct 10, 2016

100 integrators told IPVM what their biggest problems were with low light images.

The most commonly cited themes were:

  • Limited IR Range
  • Uneven Coverage
  • Image Noise
  • Cost vs Customer Expectations

In this report, we share dozens of integrator comments and analyze these most common problems.

*** *********** **** **** **** ***** ******* ******** **** **** low ***** ******.

*** **** ******** ***** ****** ****:

  • ******* ** *****
  • ****** ********
  • ***** *****
  • **** ** ******** ************

** **** ******, ** ***** ****** ** ********** ******** *** analyze ***** **** ****** ********.

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

*****

******* **** ************ ** * ******** *** * ****** ******* integrators ********:

  • "***** ** **."
  • "**** ** ***** **** *** *****-** ** *******."
  • "***** / ******* ** *** ** *** *** **** ***** the ****** ** ** **** ** ***** **********."
  • "*** ** *** **** ******* ** * ******** *** **** tones ** **** **** ****** ****** ********* ******** ** ******** with **********."
  • "******** *** ** ***** ** **** ** ********** *** ***** on ******* ********."
  • "******** ** ******* *** ** *********'* ******** ****."
  • "*** ***** ***** ****** ******** ******* ** ********* ** *** greater ********* *** **. ******* *** **** *** ***** ** some **********. ***** ******* ***** ******* ** *********, ** **** directional ******* *** **** ***** ** ** *******."
  • "******** & ****"
  • "*** ***** *** ******** ** ***** *** ****** ** ********* usually *** *** ******* ******** *** ******. ** *** *****, the ***** ** * ******* ** ****."

**** ** ********** **** **** **** ********* ******, ***** ********* **** ******* **** *****-** **,**% ** ***** **** * ***** ** *** ** ****

Uneven ********

******* ** ***** **** **** ******** ** * *******, **** when *** ****** ** ***** * **** ********. *** ***** or **** ***** **** ****** ******:

  • "*** ***** - *** **** ********. ***** ******* *** ********** the ***** ** ********* *** - ******** *** ** **** out, **** **** *** ****** ** *** ***** *** ** provide **** **** ********. **** ***** *** ****** **'** **** with *** ** ******** ****** *** **** *** *** *******. When *** ******** ******** **** **** ********, ** ***** ******** emitters ** ******* *** *** *****."
  • "****-**** ** ** ******** ****** *** *** - **** ******* blown ***, ******* ******* *** *********** ******, ** ** ***."
  • "**** ********* ***** ** *****."
  • "***** ***** ************. ***** ** ****** *** ******* *** ***** drop ***. **** ******* ***** **** ********* ** ************."
  • "******** ****** *** ****** ** *** ** *** ** ****, of ******. ******** ** ***** ** ****** ***."
  • "**** ***** ** ** ******** *** *** **** ******* *** tough ** **** ****."
  • "******* *** *****-** ** ** ***** *** **** ** *** field ** ****, **** ***** ***** *** **** *****."

Image *****

***** ******, ***** **** ****** ** ********* *** ******* *****, is * ****** ********** **** ******** ** ****:

  • "***** *** *****, ****** ******** ***** ******* **** ********* ******** opposed ** ******** ************."
  • "******* ***** *** ***** *****. ********** **** *** * ******* shutter ***** ***** **** ****** *** ******** ** *** *****."
  • "*****, **** ********* **** ****** ** ***** *** *** *** light."
  • "**** ***** *** *** ******* *** *********. ****, ******** / washout ** ***** - ****** *** ***** *** **** *** washout ** *****."
  • "** *** *****, *** ***** ** * ******* ** ****."
  • "***** *****, **** ****** ********/******* ********, ** ** **** ****** set."
  • "***** ** *** *****."

Cost *** ******** ************

**********, **** ***-***** ****** ***** ** ****** ** ********** ****** high-power ******** ** ************, ******* ***** ******, ******* *** ******, or ******* ********. *** ******* ** *** ** ****, ***** approaches *** *** ********* ** ******* ** *** ******, *** customers *** ** ******* ** ******** **** *****. *********, ********* may ****** **** *********** **** ** *********, *** ** ******* to ******** **** ***** ** ******* *** *****. 

  • "**** ********* ***'* **** ** *** *** ******** **. **** get ******* ** ***** * **** *** *****-** ** *** then ****** **** *** ******* *** **** ******. ** * result, ** ***'* *** **** *** ****** *** ******* ** close ****** ** *** *** *** ***** ** *** ******. Headlights *** ***** ***** - ******** **** *** ***** *** camera ** *********** ****** ** *** "***" ***** ****** - also ******* **********."
  • "************* *** ***** ** **** ** *******, *** ******** *** expectation ** ***** ** **** * ****. *** ******* ******* is **** * ******** *****'* **** **** ** ** ** a ***** ** ******* ** *****, **** *** ************ ******* it's *** ** **** ** ****'* ***** ******* ******* ** to *** *** **** ********* ****** ** ** ******** ***********. When *** ******* *** ******** ** *****, ***** *** ** surprises *** ****'** ****** ** ***** **** *** ******* ** be ******* ** *** **** ** ** ****'* ******."
  • "********* ***** ****** ****** ***** *** ** *** *****-** ** than ** *********. ** ** ********* **** ** ** ***** 70 ** *** ***** *** **** ***** ****. **** *******, like *** ******* *****-******* (****+) **** **** ********* ***** ** lower ***** *** ****** ***** ****. ** * ****** ****** this *** *** **** ******* **********."
  • "*** ***** **** ** ****. **** ** *** ******** ******* to *** *** *** ****** ** ********* *** ************ ****** to *** **** ******** '**********'."
  • "**** - ********* ***** * **** *** ***** ******* *** not ******* ** *** *** ****** **/***** ***** ** ** it. ** **** ***** **** ***** ** ** ****** ********* and ******** ********** ***** *** ******. **** *** **** ************* pleasing ** **** * ******/******* ** ***** ** * ***** of * ******** ** * **** ****."  

Ultra *** ***** *******

** *********** ** ****** ** *** **** ***** ** * poorly *** ***** ** ** *** ******* ************ ********* *** these **********. **** *********** ********* **** ********:

  • "*** **** **** ******* ********* **** ******* ****** ** *** light."
  • "******** **, ****** ***-***** ************ (************, ***.), ****** *******, *** better *** **** **** **** ******, *** *** ****** ***** entire ******* ** ** ******* *** ****** *****, **** ** always ******."
  • "**** *****, ** *** ****** ******* **** *** ***** *******, such ** **** *********** ** ***** ************** ****, ****** **** adding *** ***** ** *****."

 

Comments (12)

*** **** * ******* ****** ***** ** **** ******** ** Low ***** ********* ** **** ****** ** *** ********* "**** fighter" *** ******* ** ******. **** **** ***** ** *** situation **** **** ***** *******.

** *** *** ********* ************ **** ********** ** ** ***, usually?

**********, **** ***-***** ****** ***** ** ****** ** ********** ****** high-power ******** ** ************, ******* ***** ******, ******* *** ******, or ******* ********. *** ******* ** *** ** ****, ***** approaches *** *** ********* ** ******* ** *** ******...

**** *** **** ***** ** ***********, *** ***** ** **** buy * ****** ** ***** ***** ******** ** ******* **** to *** ** ******** ************. *** ~ $***

**'* *** *** ****** ***** * ****** **** *****-** ** that ***** **** ********* ** *** **.* ***** ********* **** PoE (** *** ** ***** ** ***+). **** ** *** cameras * *** *** ****** * ***** ** *** ** 7 ***** ** ***** **** ** **. ** * **** this ** **** **** ** ******** * *****. **** ***** taking *** *-* ***** ***** ********* ** *** *** ****** more ** ** **** ******** **? *** *** ************ ***** this ******** **** *** **** **?

** **** ***** ** *** ** **** ******* **** * heater/defroster/fan **** **** *** ********* *****.

*** ** ***.

*** *********** ******** ***** *** ******* *** *** *** ***+ (30watts). **** ***** *** ******** ** *****?

** ****** *** ******** ***** *** * ***** *** *** use *** (**.* *****). ** ******, ** ***. **** ***** the ******** * *****?

* *****, **** ******* ** *** **** ***** ***** *********** and *** ** ********** *** *** ********* ************. * *** merely ******* *** *** ******* *** **** ** *** *** leftover ******* *** ** ************ *** ** ******** ***** **** enclosure/heater/fan.

**'* *** *** ****** ***** * ****** **** *****-** ** that ***** **** ********* ** *** **.* ***** ********* **** PoE (** *** ** ***** ** ***+).

*. ***'** ***** *** ***** *******, *** ** ***** *********** *** ******** **** **.***. ***+ ** **** **.**.

*. **** ***** ***'* ** '***** **** ********* **' ******* additional **** ** **** ********* ****, ********** *****.

*. ****** ***** **** ********* ****/**** ** ********** ******* ** DC ****-****, **** **********.

*. **** ** ****** ********* ******** ****, ******** ********* ****** modification.

*. ****** ******, ** ******* ****** ****** ** ****** **** LEDS **** **.

***, *** *** *******, *** ****** *** ** **.** *** PoE+ ** **.*. ** *** ******** *******, *** ***** ******* that **** **** ********* ** *** **.** ** **.* ***** - * *****'* **** ***.

****** **** ***** ** ** ****** ******** ** ********** ***** to ** ************. ** *** ******* ****** *** ********* * market ******. *'* **** ********* *** * ******* *** ***** hasn't ********* **** ****** ***** (#*, #* #* *** #*) and ********** * ****** ****** **** ********* ** *** *** or ***+ ***** *********.

*** *******, **** *** *** ********** ***** **** **** * watts -** ***** ***** *** **.* ***** ***** ** ** LEDs *** **** ** * ***+ ******. **** ********* *** you ***'* *** **** *** *****. ***** **'* ****** ****?

*** *******, **** *** *** ********** ***** **** **** * watts -** ***** ***** *** **.* ***** ***** ** ** LEDs *** **** ** * ***+ ******. **** ********* *** you ***'* *** **** *** *****. ***** **'* ****** ****?

*****. *** ***** ***** ** *******. ** *** **** ** a ******* ******** *********** *****, ** *** * **** ****** surface **** *** *** **** **** ** ********* ********* **** a *********** ****/****** ******.

** ***** *** ********* *** **** ****** *******, *** **** seeing **** ** *****, ** ***** ****.

***** ** * ************ **** *** ** *** *** **** good ********: ***.***********.**.**

**** ** **** ***** *** *** **** **** ***** ** models ** ***-***** ** ******* *** *** ** ** ****** in ***. * ***** **** ** ****** *** **** ************.

**** *** ***** * ******* ***** ********* ** ******** ** hik ***********. * ** **** *** ***** ******. :)

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