VMD Camera Shootout

Author: Ethan Ace, Published on Oct 28, 2013

Video motion detection's inaccuracy can have disastrous effects on your VMS system, with recordings due to positives easily consuming far more storage than estimated. On the other hand, optimizing VMD to reject these alarms can decrease detection rates, missing real events.

In order to test whose on-camera VMD performed best, we used cameras from Avigilon, Axis, Bosch, and Sony in multiple scenes, day and night, starting with a simple indoor conference room:

Moving on to a more complex open office area:

And finally, an outdoor area with moving vegetation and headlights on a nearby road:

Our tests looked to answer the following key questions:

  • What issues most commonly cause false positives?
  • Whose VMD was best at rejecting these events?
  • How did detection range vary from manufacturer to manufacturer?
  • Can settings be optimized for better detection without increasing false alerts and vice versa?

***** ****** *********'* ********** *** **** ********** ******* ** **** *** ******, with ********** *** ** ********* ****** ********* *** **** ******* than *********. ** *** ***** ****, ********** *** ** ****** these ****** *** ******** ********* *****, ******* **** ******.

** ***** ** **** ***** **-****** *** ********* ****, ** used ******* **** ********, ****, *****, *** **** ** ******** scenes, *** *** *****, ******** **** * ****** ****** ********** room:

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

*** *******, ** ******* **** **** ****** ********** *** ********** on * ****** ****:

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

  • **** ****** **** ******** ***** ***** *********?
  • ***** *** *** **** ** ********* ***** ******?
  • *** *** ********* ***** **** **** ************ ** ************?
  • *** ******** ** ********* *** ****** ********* ******* ********** ***** alerts *** **** *****?

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

Key ********

***** ********* **** ***** **** *** ******* ***** ** *** tests, **** *** ********* ******** ****** **********:

  • ** ****** ***** ***** ** ***** "****" ** ********* ***** positives, ***** *** ******** ******** *********** **** ********* **********, *** and *****, ** ***** *** **** *****. *** ******** ** 1MP ******** ****** *** ** ******* ** ***** ****** **** others. *** **** ***** *** ********* ** ********* ********** **** than ***** *******. ***** **** ***** *** ******, *********** *** about *****.
  • *** ******* ******** ******** ***** ********* *** ** *** ******** of ********** ** *** *****, *** ** *****, ******* **** continuous *********. ** *** *****, **** **** ***** ** ****** out ******* ********* ***********, ** ** ***** ******** *** ******** in **** ****.
  • *******, ******* ****** ** ****** ******** ****** **** ***** ********* which ***** *** ** ******** *** ****** *****, ***** **** fell ********** *** ****** ********* ****.
  • ** *****, *** ******* **** ********* ** *** ********** ** our *****. *** **** ***** *** ********* ** **** **** when *** **** *** ******** **** *** ****** ****.
  • *******, ***** ******* **** *** ******* ***** ** ***** ******. These **** *** ** ***** *******/******* **** * *** *******, subjects ****** **** *** ****, ** *********** ** ********** **********. The **** ***** ** **** ***** ** ***** ****** ** this *****, ******** ** ***** ***-****, **** *****, *** ******** *.*-**-**. 

*** ********* *** ******** ******* *********** ** ******* **** ****** using * ***** *******:

  • *** ******** *.*-**-** ********* **** ** ****** *** ******* ****** at *** ***** ******, ******* **** **** ***** ** **** (<1lux). *** ****** *** *** ******* ********* ***** ***** ****** cameras *** ** ******, ** ****, ****** ********* ** ****** and ******** ** *** **** **********.  
  • ** ******* ******* *** **** ***** ****** *****, **** *****, Bosch ***-**** *** **** ***-***** ******* ******* ****** ********* *********** in ***** ** ********* ****** *** ***** ***** *****. 
  • ** *** *****, *** *********** ** ***** ***-**** *** **** SNC-VB600 **** **** *******, **** ***** ******** **** ******** ****** detection ******  *** ******** ***** ***** ***** *****.
  • **** *****, ** *** ***** ****, ****** ************* ****** ***** cameras ** *** *****, **** **** ***** ********* ******.

Optimization ***************

***** ** *** *****, ** **** ** *********** ** **** practices **** **** ************, **** *** *** *************** ** *** each ****** *** ** ********* *** **** ***********:

  • *** *** ******** *.*-**-**, ******* ******** ******** ****** *********** ** *** ******, **** ** *********** *******.
  • **** ****' ***** ******** ***, *** ******* ****** **** ******* is *** ***** *** **** ******.  ** ***** ** *** ****** detection ******, *** ****** **** ******* ****** ** ** ******* carefully ** * ***** ******** ** *** *****, ********* * or *****.
  • *** *** ***** ***-****, **** *** *********** *** **** ******** by ***** *** ******* ******** ** *** ****** ** ******. Lowering *** ****** **** ******** ** ************* ****** ***** ****** due ** ******* *** ****. 
  • *** *** **** ***-*****, *** ****** **** ****** ** ******* to *** ******* ***** *** **** ***********. ** *** *******, *********** can **** ** ******** ********* **** *** ******* ******* ** *** a ****** ********* *****. *** ** ****** ***** ***** ***** ** *** *****, ******* *********** ** ***** ** ** **** *********** in ***** **********.

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

*** ** *************** ***** ****** **** ****** ******, ********, *******, *** ***** variations, ***** ****** ********* ******** ****** ********* *** ******* ******* when ******** ** *** ***** ****** *********. ****** ******* **** from ********** *** ****** ******** **** ******** **** ******* ******* performance, **** ****** ***** ******* ******* ** ***** *****.

******* *** ******** ****** *** ** ******* ******* *** *** cameras ** *** ******. ** **** ***** ***** ******** **** result ** ******** ***** ********* ** ****** **********. ***** ****** plan ** ****** ***** ******** **** ******* *** ** *****, and ******** ****** ** ********* ************ ** ****** *********** ** still***********.

*** ***** ********* ******** ****** ********* ** ****** ****** (>***' during *** **** *** >**' *****-****), *** ******** *.*-**-** ****** out ** *** **** ****** ***** *** ****** *******. *******, since ** ********** **** ***** ******* *** *****, **** **** will *** ******* ****** ****** **** *** ******, ******** *** use ** ***-**-*** ******** *******.

Comparison ** *****-** *********

******** ** *** ******** ****** ****** ********* ****** ****, **** ***** ****** ********* *.* ********* ****** ** **** ******. ****** *********, ********* ** *******, and ***** **** *** ********, *** *** ***** *********** *** reduced ********. ** ********* ** ** **** **** **** ******* whenever ********, *** *** *********** ** ******* *** ** *********** with **** *** **** (**** *** ******* ****).

******** ** ***** *****-** ***, ****, *****, *** **** ****** ********* **** ** ***** **** ********* ******** **** **** ***** ***** ******** *****. **** ** *** to *** **** ****** ********* ***** *** ******** ***** ******** for **********. ***** *** **** ** ******** ***** ********* ******* of ******** *** ***** ********.

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

*** ********* ****** ****** ************* ** **** ************'* ***.

******** **

**** *****

**** ********** ******************** ** ****' ***. **** **** **** ***** **** ******** configuration ** **** ***** ****** ********* *.*, ***** ** ********* over ******** *** ******** ********. *******, **** ****** ******* **** on *******' ******** ******** ***. 

***** ***-****

**** *** ***

Outdoor ******* 

********, ** ********, ****** **** ******** *** ****** ********* ********** nuisance ****** ** *** *******. ** ******* ***** ***** ***** ******* windows, ** ******* ** ****** ********* *** *** ******** *********.

**** ****** ** ******** *** ********** ** *** *****, *** cameras **** ***** ********* *** ** *** ******** ** ******* in *** *****. ***** ***** ***** *** ** ******** ** they **** ** *** ****** ** *** ****** ****.

*** ***** ***** ***** * ******* ** * ****** *** ** front ** *** ******. *** ******** ** **** *** **** the *** ******* *** ** ** ****** **** ********** ********* for *** *****.

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

*** *** ********* ***** ****, ** **** * **** ***** about **' **** **** ******** ** *****, *** ***** ***' *** ****** ****. *** ******* ********* due ** ** ****** ******* ******* *** *******. *******, ******** 1.0-H3-B2 ****** ** *** ******* **  ~ ***-***' **** **** the ******, ***** **** *****, ***** ***-**** *** **** ***-***** triggered ** *** **-**' *****. **** ****, **** ***** ******** VMD's ****** **** ****** ** ****** **** ** (*******) ** 1 ** ***** ** ******** ********* ***** **** **' ** 45'. ****, *** **** ***-***** ***'* *********** ******* *** ********* to *** **** *** ******* ***, ***** ******** *** ********* range ** ****** **'. ******* ******** ** ****'* *********** ******** in ********** ****** ********* *** ** ***** *********.

******** *.*-**-** **** ******** ******** ********** ** *** ****** **** (~280') ****** *** ***. **** ***-*****, ***** ***-**** *** **** ***** detected **** ***** **%, **%, *** *% ** ********, ************.

******** *.*-**-** *** **** **** ** ****** ****** ** *** distant *******, **** ***' **** *** ******.

 

Outdoor *********

** *** ******* ********* *****, ***** **** *** *** ******** of ***** *********. ** ** *** *******, ******* **** ****** and ********** ********* ******:

****, ******** ** ****** *** *** **** ** ******* ***** factors ** *** **** **********, **** ***-***** **** ***** **** sensitive ** *** ********** *** ** **** ********** ************ **** *** **********.

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

** *** *****, ******** *.*-**-**'* ***** ********* ***** ********* ** about **' *** ***** ******* *** ******* ***** (***** ** ~40', **** ** ~**', *** **** ** ~**'). **** **** we *** *** ******** *** *********** ******* ** **** ***-***** this ****, ***** ** *** **** ******** ** ******** ***** positives *** ** ******* ** *** *****.

**** *** ******* ****** ****** *** *** ** ~**', ******** 1.0-H3-B2 *** ***** ***-**** ******** *** **********. **** ***-***** ****** him ***** **** ** *** ****, ***** **** ***** *** not ******* ** ***.

** **', **** ** *** ******* *********, **** *** ******* simply *** ***** ** ********.

Indoor ********** ****

*** **** ***** *** *** * ***** ***** **** ** 10%-15% **** *** ****** ** *** **********, ***** ***** ********* about *% ** *** ****.

******* *** **** ******* *** ***** ** *** ***** *** ****** the ********* ***** ***** *****: **** **%, **** **%, ***** 20%. 

**** ****** * ********** ********** *** ****, 

** *** ********** **** ** **** *****, *** ****** **** able ** ******** ****** * ***** ******* **  *** ****** up ** **'. **** **** *** **** ***** ***** *** detect *** ******* ** ******* ******** ** ******* ****** **** (15), *** *** ** ** ******* ** * *** ******** detection.

** *** ***** (~***), *** **** ******** *** ****** ** 100% ******** ** ** **' ** * ******* ****** ** the **** ***** ****.

 

Open ******

****** *** ******* ** ** **** ****** *****, ***** **' long, **** ***** *********** ** *** ******* **** ********. **** again, *** **** *****'* **** ** ******* ** * ** improve ********* *****

** *** *****, *** **** ** *** ****** (~**') *** lightened ** * ***** ********** ******** *****. *** ** ****, all ******* ****** **** ***** ******** *** ****** ** **** as ** ******* *** **** **' ****.

*******, ** *** ****** ***** **** *** ***** ** *** darker ****, **** ***-***** *** ***** ***-**** **** ********* ** ****** **' and **-******** *** ****** ** ***** **'. 

*** **** *****, ** *** ***** ****, ***** **** ****** the ****** ** *' **** **** *** ******. 

Cameras/Firmware ****

*** ********* ******* *** ******** ******** **** **** ** *** test:

  • ******** *.*-**-**: *.*.**.*
  • **** *****: *.**.**
  • ***** ***-****: *.**
  • **** ***-*****: *.*.*

 

Comments (7)

**** ****** **** *** **** ** *** ******** *** ** the *** ** *** ******** ** *** *****. **** ** integrator ***** ** **** **** = ***** ** **** ******* the ******* *** ***** ***** *** *** ******** ****** ** that ** ***** ******* *** ***** **** **** * ****** asking *** *** ****** ** **** ***** * *** ** money ** ****** ** *****. * *** **** ********* ** see **** ** *** *** *** ** *** **** *** creating *** **** ***** ********* **** ******** *******.

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

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

**** ****, **** **** ******** **** **** ****** *** *********** still *** ******. *******, ***** ** **** *** *********** (****** manufacturers ******** ***++ ** **** ** *** ************* ****** ******* for****' ****.*).

*** *** *** ******** ******* ** ********* ********* ************* *** wide ***/** **** ******? ****'* *** ***** * ******** ***** the **** ******* *** *** ****** ******* *** *** ** the **** ***********.

*** *****, ** *** *** *** ** ***** ******** ******* in **** **** ******* ** ***** **** *********** *** **** modest ******* ** **** *****. * ******* **** **** ** this **** ***** ***** ** ** ****** *********** *** ********** windows, ***, ****** ** * **** *****, ******.

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

*****:

****** *** *** ******. *** *** ******** **** ** ******** that **** ** ***** ******* ***** ****** ********* **** ******** outdoors, *******, ********* ** *** ****** ** ********* *** ******* the ***** ** ****** **** ***** **** *****.

*** *** **** **** **** *** *** **** ********** (****** out ****** ****** *** **** ** ******) *** ***** *** best ******** **** ***** **** ****** *********, **** *** *** false ***** **** ** ***** **** * ** **** ****** for **** ***** ** **** **** ****** *** ********?

* ******* ************* ** ****, "*** *** ******** **** ** indicate **** **** ** ***** ******* ***** ****** ********* **** suitable ********"

**** ** ***** **************** ******** *** ******* ******************* **** *** *** ******** ****** *** ** ***** ********** crazy. *******, *** ******* *********, * *** ****** ** ****** detection, ***** ** ***** ********, **** *** ** **** ** there ***** ** ** *** *** *** **** ********/******** (******* *.* *** ******* **** ******* *** **********).

** *** '***** ***** ****', ** *******, *** ********** ** not ** **** ******** ******* *********** - *.*., **** ****** has ** **.*% ***** **** ** ******** ** ********, ******* there *** ****** **** ******** ********* **** * ****** ****** would ** **********.

**** ****, *'** *** ***** ******* ** ****** / ******** of *********** *** **** ******** ** ****** *** ****** *** cars, ***.

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