21 Scenes Lux Readings For Video Surveillance

Author: John Scanlan, Published on Aug 11, 2016

IPVM went to numerous locations and measured the lux readings / light levels at each one. Here is an example of the approach we took and output created:

Many surveillance professionals know that knowing light levels is important but tend not to have a good sense of what light levels realistically are.

This directory of 21 measurements / images helps professionals better understand and anticipate the light levels commonly faced.

**** **** ** ******** ********* *** ******** *** *** ******** / ***** ****** ** **** ***. **** ** ** ******* of *** ******** ** **** *** ****** *******:

**** ************ ************* **** **** ******* ***** ****** ** ********* but **** *** ** **** * **** ***** ** **** light ****** ************* ***.

**** ********* ** ** ************ / ****** ***** ************* ****** understand *** ********** *** ***** ****** ******** *****.

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

Key ********

****** ***** ****** *** ********* ***** ***. *** *******, **%+ of ****** ****** ******** *** *** ******** ** ***** *** Lux *** **** * *** ** *** ** ****** ****** measured *** *** ******** ** ***+ *** **** *** ******* that ****** ***** *** ** ****** ***** ******* ******* ******** to **** **.

** ********, ***** ******* ******* ****** ********* *** **,***+ *** levels, ******* * ***** *** ** ***** ****** *** **** is ********* ***** ** ************ *******.

** **********, ***** **** ****** ******* *** **** ******, *** indoor ******* **** ********* **** ******** **** ***** ****** (lux), **** **** ** **** **** ********* ****** *********** ** those ***** ****** *** ********* ***** ******* (*.*.,*** *** ***** ******** ******).

Outdoor ***** ******

*** ******** ****** ** **** ******** ** ***** *** ****** bright (*-** ***). ** **** *** ******** ****** ****** **** as ****** *********** ***** ******* **** *** ******* ** *** sample, ********* *** ***** **************** ******** ******* **** *******, *** ****** ********** ****** *********** displaying ** ****** *****.

******* ****** ** ***** ** **** **** ********* *** ******* below *** *** ****** **** ******* ******** *** ***** ****** are ** **** ***.

Test ******

*** **** ****** *** ***** ********** *** ****** *** ** seen *****. ******* *** ************ * .*** **** ** ***** ****** (~***).

Measuring ***** ******

** **** ******, *** ****** **** ******** **** *** ***** facing *** ******, ** **** ******** ** ******** *********** ** lux ******* ******. ** ********, **** ******** ********* *** *************** ******* *** levels **** *** ***** ***** **, ***** ******** **** ****** downward ********, ********, ***., *** ** *** ** ******** ************** of ***** ** ******.

** ****** *** ** *** * *** ***** *** *** differences ** ***** ************ ** **** *****, **** ***********: ***** * *** ***********:

Lighting ***************

******* ** *** *********** ** *********** *******, ********* ****** *** simply ***** ** ***** ***** ***************, ****** ** ** ****** to ** ***** ** **** ************ ********* ********* *** ******** areas.

***** *** ******* ******* *** ******** ****** ***********, **** *************** *********** ******* (***)********* ** ******** ********* *** *********, ****** *** *** **** part *** ******* ***, *** ******** ** ********. **** ** these ********* *** *** ******** *********.

*** ****** ****** ******* ******** *********************** **** ************ ******* ***** ****** ** **********, ***** *** ******* ** other ********* ********** ** ****. *********, *** *** ********** ********* 500 *** ** **** ***** (*******, ******** *****, ********, ***.), and ***** ** ****** ***** **** ** ********, *******, **********, etc. (*****, ***** ****** *** ******** **, ****** ******).

Recommendations ****** ** *******

*** *** **** ****, ******** *********** ***** ****** ****** ** sufficient *** ******* ******* **** **** *******. *******, ********* ****** beware **** ***** ***** ****** ********** ****** (***, **, ***.) as ***** *********** ** ********* ******* ******** ** *****/**** ****** historically ****. ******* ****** *** ****** *** ***** ******** ******* **** ******

Comments (9)

*** *** ***** ****** ******* *** *** ************ **** *****. It ***** **** *** ***** *** **** **** **** ************ in ** **** *** ** *** ***** **** ******** ** every *****. * ****** * ***** *** ***** ** *** meter ** **** ******** ** *** ***** **** **** *** reading ** *** ******* *** **** ********* ** *** *****. Also *** ***** ** *** **** ***** ** ******* **** of **** ** ****** *** ****** **** *** ***** ******.

****** **** ** *******...

**, ** ** ** ************ ** * *******. **** **** to * *** ** ****** **** ** ********* **** ** the ************ ***** **** **** ****.

*** ****** **** ***** * ****** ***** *** *** ******* was **********. * **** * **** ******** ******** *** ******* our ***** ********** *** **** ** *** ***** ****.

**** *** *** **** ** ******** ***** *** ****** ** to ** *** ******** *** *** ***** ******* ***** *** subject **** **?

******* *******, *** ***** ***** **** ***** ********* **** ** "lux ***** ** ******".

******* ** **** **** *** *** ******* *** ***** ***** at *** ******, ***** *** ******* ** ** **** *** light ***** ***** *** *******/****** **.

* ****** ****** ** ***** ********* *** ** ******, *** different ******* **** ********* ************ (******** ** ****** **-**% *********). You **** ** **** *** **** ***** ** ********* ***** your ******* **** ** ** *** *** ******* ** ********* how **** ** **** ***** **** ******** **** ** **** to *** ******'* ******.

*** **** ** **** *** **** ***** ** ********* ***** your ******* **** ** ** *** *** ******* ** ********* how **** ** **** ***** **** ******** **** ** **** to *** ******'* ******.

****'* **** *'* ******, *** *** ******* *** ***** **** will ******** **** ** **** ** *** ******?

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

***** ******* **** *** ****! ****

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