Biggest Low Light Problems 2019

By Ethan Ace, Published Nov 08, 2019, 10:35am EST

Over 150 integrators responded to our survey question: "What are the biggest problems you face getting good low-light images?"

Inside, we share integrators' comments and analyze the most common problems, including:

  • Limited IR Range
  • Uneven IR Coverage And Hotspots
  • Noisy Images
  • Capturing moving objects
  • Customer Expectations

Changes ***** ****

********** ********* **** ******* to ****, *** ********** **** negative ***** ********** ** range *** ******** **********. This ** ************, ** integrated ** ***** *** continued ** **** (************* ** ****** ***** Statistics ****), ******** **** ***** to ***** ****** ******.

************, ********** ********* ****** blur **** *** *********** in ****, *** * common ***** ** ****. This ** ******** *** to ** ****** ***** in **** ****** ** DNR ***** *** ********* motion **** ** **** levels. ********* *** (******* ***** Reduction) ******** **** *******.

Limited ** *****

***********' ******* ********* *** integrated ** *****. ***** integrated ** ** *** included ** *** ******** of *******, *** ***** of *** / ~***' or ****** *** ******(*** *,***+ ******* ** the **** ****** ******), ** *** *****, few ****** ******** ***** this *****, *** ***** that ** *** ********* low ***, **** ******* weak.

  • "******* ******** ******* ** the ** ***** ** with ****"
  • "************ ** ***** ****** range. ******* **** ****** with *********, *** **** need *** ***."
  • "**** *****...*** ****** ****** at ******** ******* ******* out ** *****"
  • "******** ***** ** ********** IR *** ***********, ***** lessens ******* ** *********** also ***** ** **** less **********"
  • "** ** **** ***** the ** ***** ** short, ******."
  • "****** ******** **** *** subject ****** ** *** far **** *** ******** when ****'** *** *****"
  • "*** ***** ** *** IR *** *** **** that ** ** ***** & *****"
  • "*********** ************ **** ********"
  • "******** *** ** ******"

Uneven ** ******** *** ********

******, ** ******** *** cited ** ** *****, with ************ ** ***** range *** **** ******* in *** ***** ** view **** *****.

  • "**** ** *********** ******* depending ** *** ****** and *** ** ** dispersed *** **** ****** get *** **** **** a ***** ***** ** IR *** *** ***** edges ** *** ***** get ** ************ ** poor ***** *******. **** using *** ********** ** illumination *** * ****** parking **** ** ******** fields *** ** **** cause ***** ** ******* that *** *** ***** to *** ***********."
  • "*** **** ** ** not ******. *** ***** etc. ****** ** ***** to ** * *** better **** **** *** IR ****** ** ***** cameras."
  • "** ***** ****** *********** (when ******* * *** close) ** ************ (** distance *** * **** FoV)."
  • "**** ** ************ ** the ******* ** ****** is ********* *** ****-******** at ***** *********."
  • "********** *** **** ********** causing ******** *** ********* the *** ** *-****. Poorly ******** ******* **** uneven ** ************ ******* dark *******."
  • "******* **** ** ***** doesn´t **** **** **** the ***** ******* ** camera"
  • "****** *** ***** **** overexposure."

***** ******** *** ********** with **** ** *** tests, **** ** ****** / ** ***** Lens ************** ****** ********.

Noisy ******

***** ****** **** ******* common *****, **** ********* storage ***** *** ******* image ******* *** **** common ***** ********.

  • "*** "*****" ********** ** the ******** **** ****** to ******** ***** **** in ***-***** ************ ** causing *** ***** ** problems. ****** ********* *****, bandwidth *** ******* ** affected *** **** ***** video ********* ****** ***** events."
  • "** **** ********** *** noise ** *** ** hard ** **** *** faces ***, ***** ***** Axis ********* ** ***** a **** ****"
  • "****** ***** **** ********** goes *** *** ****** in *** ***** **** the ****** ********** ***** to ******** *** *****."
  • "********* ***** ** *** biggest *****, ** ** creates ********* ********* *** the ****** *** **** than ******* ** **** situations."
  • "***** *** ** ****** use ** ** *******."
  • "***** ** *** ***** due ** *** ******* light."
  • "*****, **** ** ******, Client (***'* ***** ***** on **** ******* ********)"
  • "***** *** **** *** previous ****** **** ** over ********"
  • "**** *** ***** ** illumination *** *** ***** in *** ***** ******** by *** ****** **** trying ** ******* *** ambient *****."
  • "**** ** ***** *** image ******* ** ******"
  • "*** ***** ******* ** the *****"

Customer ************ / ******

*******, *********** ********* ************ in ******* ********* ** understand **** ***** *********** and/or ****** ***** ** improve ******** ** ***** for ****** ******* ** low ***** ************.

  • "*** “***” ****** *** general **** ** ************* of *** ****** ********* limitations ** *** ***** vs *** **/***** *********** mean ********* **** * high *** ** **** instances. *** ******* ***** is ***** **** *** tweaking ****** ******* ****-******* for **** *** ***** capture. *** ** *** box ******** ****** ******* the **** ***** *******. Each ***** ******** *** own ********** (******** ** exterior, ******* ** ********** movement). ******** ** ******* much ****** ** ******* than ******** *** ** the ****** ********** ** IR ****** ** ********. Interiors *** ******* ******** less ****** ******* **** exterior ******* *** ** is ******* ****** ** get ******** ******** ** interiors. "
  • "********* *** ******** ** reality ** ****. ** long ** *** ******* is **** *********, ** don't *** ** ** too **** ******."
  • "** ****** *** ** issue **** **** *** light ****** ******* ***** was * ******** **** wrong ************ **** ****** car ******* ***** ******** in *** ** ** lights **** **** ************ cameras."
  • "*** ** ******** ******** to ***** *****."
  • "****** (***'* ***** ***** on **** ******* ********)"
  • "*** ** ******** ******** to ***** *****."

Capturing ****** *******

******* *********** ********* **** as ** *****, **** motion ** *** ***** being * *********.

  • "***** **** ** *** last ********* *****. ** can *** * ***** low ***** ***** **** installs. *** **** ***** moving ******* ***** **** a *********."
  • "*** **** *** **** down *** ******* *** more ****** ****. *** faster *** ******* *** more *****. "
  • "******* *****/******** ****. *** often *** * **** still ****, *** ****** can ** ******"
  • "*** ***** ******** ******* and ******. ***** *** motion *** **** ***** factors ***** ****** **********."
  • "******* ****** ** ****** capturing ***** ** **** low *****"
  • "********* *** ****** ******"

**** *** ************ **** a ****** ** **** shutter, *** ** ****** years ********* ******* ***** reduction *** ********** **** and ******** ******. ** cover ***** ****** ** our ************* *** (******* ***** Reduction) *************** ***** / ******** Tutorial.

Color *** ***** *** ********** ** ********* ******

**** ** ********* ********* a *** *** *********** ***** ***** ********** **** ** ****** from ** ************* ******* at **** ** ***** issues ** *****. *** coming ** *****, ** expanded **** ** ********** IR.

Comments (4)

**** ****. **** ******* me, ** ***** ** external ** *********** ******? This ***** *** **** up **** *** **** lately ********** ** ** talk ** **************.

***** ** ******** ** illuminator ******?

******* ******, ****** ******* their *** *** ********* been ** * ********* with ********** ** ** prevalent. *** *** ******* for ********** **** ***** or?

**************. ************ *’** ******* to *** *** ** short *** **** ********* where ******** ***’* ***** and *** ****** *****’* have ** (*** **** have ** ** *** filter). * ****** **** if ** ** ******* might ** **** ** take ********* ** **.

* *** **** *** applications ***** **** ****’* going ** ** ******** security ******** *** ***** like ** *** ***** items ** * ********. I’ve **** **** ** at ******** ** *****-** PTZ *** *** ** other **** *******.

************** **** ***** * had * ******** *** is ****** *** * n **** *****-**. ******* the ******** * *** this:

** ***** ******** *** camera ******** ******* ***** images ** ** ** 50 * (*** **) and ** ** *** m (*** **) **** the ******** ********* **** T90D20 **-*** ***********.

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