License Plate Capture 4K Test

Author: Ethan Ace, Published on Jan 11, 2016

License plate capture is one of the most popular surveillance applications. IPVM has done extensive testing in this area already including:

With 4K becoming widespread, how does this impact LPR performance. Can wider areas be captured? Does the increased resolution really help?

We tested 4K cameras across low, mid, and high price points, with built in IR and external to see how they compare to 1080p for license plate capture.

The cameras / products we tested were:

We tested the cameras in low speed and faster speed scenes, both day and night, shown here:

Inside we answer these questions and more:

  • Can I capture plates across a wider area with 4K than 1080p?
  • What settings must be changed for proper capture?
  • How does nighttime performance compare to 1080p?

******* ***** ******* ** *** ** *** **** ******* ************ applications. **** *** **** ********* ******* ** **** **** ******* including:

**** ** ******** **********, *** **** **** ****** *** ***********. Can ***** ***** ** ********? **** *** ********* ********** ****** help?

** ****** ** ******* ****** ***, ***, *** **** ***** points, **** ***** ** ** *** ******** ** *** *** they ******* ** ***** *** ******* ***** *******.

*** ******* / ******** ** ****** ****:

** ****** *** ******* ** *** ***** *** ****** ***** scenes, **** *** *** *****, ***** ****:

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

  • *** * ******* ****** ****** * ***** **** **** ** than *****?
  • **** ******** **** ** ******* *** ****** *******?
  • *** **** ********* *********** ******* ** *****?

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

*******

** **** ******, ** ******* ******** *** ********** **** ***** for ******* ***** *******. *** *********** ** ****** ******* ****** required *** **'* ****** *** ***** *********** (**** **** ****** IR ************) ******* ** ********** *** ********** ** ********** **********, with *** *********:

** ************ **** ****** ******** (******** ** ** ************), ** cameras *** ***** ******* **** * ***** ****, ** ** twice *** ********** ***, ******** *** ****** ** ******* ****** for ******** *****.

*******, ** ***** **** ********* ** **********, ** *** ****** of ******** ** ************ ******** *** ********* **** *** ************ likely ********* *** **** ** ***** ********, ***** ****, ***** resolution *******.

Key ********

** ****** ** ****** *** **** ** ******* ****** ***** default ******** (*/*** ******* ***), *** ** *****, **** ** slow ******. *** ****** ***** ******* **** **** *** **** tests (******** ** *******, ******* ***-****, ********* **-*******-*, ***** ********) were **** ** ******* ****** *** *** ***** ********.

**** *** ********* ** ******* **** **** ** ******** ******* plates ****** *** *** ** ****** **** *-** *** ***** 1/1000s *******. ********* ******* ******** */***** ******* *** ********* ****, regardless ** ******* *****.

***** ** ***-***** *** ********** *** ******* ********** ** ******* and **** ********, ******* *****, *** ** *****.

** **** *** ******* ******, **** *** ********* **/**** ****** were **** ** ******* ****** **** ******* ***** *** ********** FOV ** * ***** ***** ** *** ******, **-**' **** (depending ** ******** *****).

** *****, ** ******** ** *** ***** **** ***** *** to ****** *** ***** ***********, **** **** ****** ******* ******** IR (***** ****** ***** **).

***** ** ** ** **** *** ***** *** ********* ** cameras *** *** **** ** ******* ****** ************, **** ** slow ****** ***** ******** ****, *** ** ~**' ****** ********, well ****** ********* ** ***** ** **** *******.

*******

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

The ****

*** ** ******* ****** **** ******** ** ********* ******* ******** of ** *******: *** **** ********** ** (*****), *** ***** (Axis), **** *** ********** ** (*********). ** ****** ***** ****** against *** ***** ******* ***-****, ************** ** ***** *** ***** models.

******* **** ****** ***** **** ***** ** ** *** ***** which ******** ** (***** *** *********), *** ** ******** ** illuminator, ********* ** ***** **. *** *****'* *************** ****** ******* *** ************ ******* ** better ***** *** *** *** **** *****.

******* **** ****** ** *** ****** ** **** *** ***** capture, **** ***** *-** ***, *** ****** *****, **-** ***, using **** ****** **** (*-* *****, ~**' ****) *** ***** (up ** **').

Results ********

** **** *****, ** ****** ******* ** *** *******, ******** with ******* *******, ******* *********** ******* ******* ******** *** **** shutter, ** **** ** *** ***** *** ******** **** ***** 4K *******.

** **** ****** *****, ** ****** ****** ******** ****** ********* testing.

No ******* ***** ******* ********

** ** ****** **** **** ** ******* ****** ***** ******* settings, *** ** *****, ********** ** *****, ****** ***** ********** models, **** ** *** ***** ******* ** **** **** *** cameras ** ********** ***** ******* ******** ****.

**** ***** ***** *** ** ******* *** ******* ***** ***** default ******** ** *** ***** (~*****) ****** *** ***. ** show *** **** ** *** *** **** **** ****** ** illustrate *** ****** **** ********, ** **** ** * **** of *** ******* ***** ** **** *** ***** ** **********, with **** *** ***** ******* ****** ********* *** *****.

** *****, ****** *** ****** ****** *** ** **********, ******* by ****** */*** ******* ********, *** ***** *** ** ********* gain.

Fast ******* *******

** ***** ** ******** ******* ****** ** *** *****, ******* speed ****** ** ** **** ** */***** ** *** ** cameras, **** ***** **** *******, *** ***** ** ****** *** still ****** ** ******* ****** ********. ** ********, *** ***** Samsung ***-**** ******** ******** ****** ***** */**** ******* ** **** vehicle ****** (

*** ******* ** */***** ******* ***** *** ***** *****, ***** from *** ****** ***** **** ***** (****** ********** **** ** slow ******).

*****

** *****, ******* ** *** ** ******* *** ****** ******* was **** *********. **** **** ********** ******* ***** ** */*****, plates **** ********* ** ******* *** ** ***** *** ***** bloom.

** ****** ***** ****** *** ******* *******, ** ******* ********* gain ********, ******* *** ** "***" ** *** ********* ******, and * *** ** **** ** *** **** *****-*. **** further ******** *** *****, *** ********** ******** *** ******* ******* noise, ******** ****** ** ** ******** ********.

** ****** ****** (**-** ***), ******* *** **** ********, **** in *** ********** *****. *** ***** ** ****** *** ****** to ******* ****** ** **** *****, **** ***** ********** ** blurred **** *** ****** **********. ******* ******* ** *** ********* 4K ******, ****** ********** *** ***** *******.

Wider **** ******** ** ****** *****

** ******* ******, ** **** **** ** ******* ****** ****** wider **** **** *** ** *******, ** ** ***** ** wide.

*** *******, ** **** **** ** ******* ****** ****** * ~60' *** ***** *** **** *** ********* ** *******, ******** to ~**' ** *** ******* *****:

FOV ***** **** ** *****

****** ******* ******, ***** **** **** ****** *** ******** ** night. **** **** ***** *** ****** ***** *********** **** * wide ***** (** ******) ****, ******* **** ****** *** ********* enough **** ***** */***** ******** ** ******* **** ******** ** the *****.

** ** ******** **** ****** **** ** ************ ** *** scene, ** ****** ** *** ******* *****, *** ******* ***********, but *** ***** ******* (** **** ***** ** **** ** or **** **** * ******) ****** ********* *** ******** ** using * ****** ** ****** ******* ** ******** ***** ** lower.

Integrated ** *** ****

** ***** *** ********** ** ** **** *** ***** *** Panasonic ******* *** **** ** ******* ********** ************ *** *******, requiring * **** ******** ******** ** *********** *** ****** *******.

*** *******, ** **** *****, ***** */***** *******, ******** ** was *** **** ** ~**' ****** ******** ** ******* ****** illumination ** ******** *** ******* ********* ** *****, ******* *** specified *** ** *****. *******, ***** *** ****** ** ***** with * ~** ****** ****, *** ***** ** **** *********** and ****** ******* (*****).

Test **********

******* **** ****** ***** ******* ******* ****** *** **** ******** as ***** *****. ****** **** *** ** *.***, *** ***** rate (** *** ** ****/*******, ** ** *********, *** ** in *****), **** *-***** ******** ******** *********.

*** ********* ********/******** ******** **** ****:

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

Comments (7)

****** *** **** ************ ** - ************ **** ****. ***** leads ** ** *** *** **** ** *** ***** *** of *** *** ** *** ****** * & *** "*********" devices ******* ** ***** - ******* - ******* ******* **? One ** ** *********** ** ** **** **** ***** *** loves ** **** ******* '*** *** **** ** *** ** each ******'. *'* **** **** * ***** **** ******* **'* producing ********* ****** ******.

*** ** ** *********** ** ** **** **** ***** *** loves ** **** ******* '*** *** **** ** *** ** each ******'. *'* **** **** * ***** **** ******* **'* producing ********* ****** ******.

**** *** **** **** ** **** *** ****** ** ****** cars ** * ******* ***, *** **** ******* ***** ** acceptable. **** ** **** **** ****** * ***** *** ********** would ** ********** *** **** **** * *** ***** ****...

*** **** ********** ** **** **** ** *** ° ** pendant ******** **** ******** ** *** ******* ********..., ****** ** each ****** ** *********** ********* ** ***** ******* ... **' s ******* *** ********** ***/***** ********** ** ***** * ***** FOV ******* **** *****, **** *** ********* *** *********** ******* it **** **** *******.. *** ** ******** ******, **** *** also ***** ********* ***** *** ******* (******** ******** **** ******* & **** ******* ******, ** ***, ** *** *** **** Black/White ****** ** *** *** !) ** ** ** *** in ******, **'* **** ********* ** *** "******* ** ******* " **** *** **** ******, ****** *** ***.

Cameras ***'* **** ******* / ****** :

*** ***** ******* ** *** *** *** *** ******* (*** or ****) *** **** ****** ******* *** ***** ******, **** cameras *** ** ***** **** / *** *******... *** **** very *** ****** *** **** ***** ** ****** ** *****/*****, 5 ***, ** ***... (*******) ** *** ********, ** **** sunlights *** ***** *** **** ***** ** ****** ** **...***no ** !

** **** ** ***** ** ***** *** ****** ** ****** BEFORE *** ****** ******* **, ** *** *** *** ** external **** **** **** ***** *** * ****** *******

**** ******* ***, **** ****** ***'* , ** *** **** an ******** ***** ****** ** ****** ******* *** ***** *******.

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

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

**** ***** *** **** ********** *** ** ****** **, ** a *** ******, ** **** ****** ** ***** ** ** dedicated ** *** ****.

*****,

* *** **** ****** **, *** * ** ********* ***** also *** ********** ******* ** *** ***** *******, ********* **** manufacturer. * **** **** ***** *** **** ***** *** ****** best ***** **** *** ********, *** ** ***** ******* ** recording *** ****** ***** *****. * ***** ***** ***** ******* and ****** **** ** ** ******* * ***** ****** ** storage.

****,

***** **** ** *** *** *** *** ***** ***** *** cameras *** ******** *** **** **** *** *** *** **** product ******** ** *** ***** *** ******.

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