Super Low Light Surveillance Guide

By IPVM Team, Published on Aug 01, 2017

At the beginning of this decade, low light performance of megapixel cameras was generally terrible.

This was the era of super slow shutter where 'ghosting' was a common tradeoff of brighter low light images.

Now, a lot has changed.

The rise of integrated IR is certainly one major improvement with literally most camera models offering their own IR 'lamps' built-in.

Another major increase is the rise of what is often called 'super low light' - achieving superior low light video without depending on IR.

In this guide, we explain super low light covering:

  • Enhances in image processing / gain control
  • Expansion of cameras with larger imagers
  • Introduction of professional photography sensors to security cameras
  • Image quality relative to conventional cameras, integrated IR and thermal cameras

Enhance ***** ********** / **** *******

* *********** ******* ** most 'super' *** ***** ******* is ************ ** ******** image ********** / **** control.

**** ** * *********** feature ** ************ ******* generally, ******** ** ***** that ***** ********* ** completely **** ** **** an *****, **** ** noisy. **** *** **** ******* / *** for ***** ************ *****, ***** ** * demonstration ** ******** ********* gain ******* ** * camera:

**** ******* ***** *** **** manual ********** *** ******* are ********* ********* ** automatically (*** * ** AGC) ******* **** ** the ******* ****** *** camera *** ******* **** the ***** ******* ********** dark ** *** ***** environments.

'*****' *** ***** ******* use **** / ***** processing **** '*******' *** light ******* *** *** more ************* **** ******* and ********* ***** ********* techniques.

Expansion ** ******* **** ****** *******

'*****' *** ***** ******* are **** ******** ******* with '************' ****** *****, in *** ***** ** 1/3" *** **** ******** imagers / ****** **********. While *** ****** **** may ** *** **** as ***** *** '*****' low ***** *****, *** imagers (*** ********* *** SOC / ********) *** better ** ********** *** image *** ********** **** details ** *** *****.

** *** **** *** years, ** ********, ******* that ******* ******** ***** processing*** ****** ******* **** **** introduced ** *** ******. Instead ** */*" *******, these ******* *** ~*/*" imagers (********* **** ******* resolutions, ** ******** **** often *****). ****** *******, everything **** *****, **** allow **** ***** ** capture / '***' **** light *** ********* ****** deliver ******* ** **** conditions.

******** ** ~*/*" ** super *** ***** ******* include:

** ** *****, *** all ****** ****** ******* are ***** *** *****. With ***, *** / 4K *** ****** ***********, 1/2" ******* ** **** larger *** ******** **** common *** **** ** not ******* '*****' *** light. *** ******** ** imager **** ** ****** by *** ******** ** the ****** ** ******. As * ****** ** practice, ********* ****** ********** cameras (*** ** ******) deliver ************* ***** ***** performance. ****, ** ******, will ****** ****** **** time, **** **** ***** cameras **** **** ********* poor ** *** *****.

Photography ****** *******

** ********* ** *** statement ***** ****** ********** cameras *** ********** ***** low ***** *** ******* that *** *********** *******. Security *******, ****** ************ photography ****, **** ** use *** ******* ****** *****. The **** *** ******* are ********** **** *** size ** ******** ******* *** the ********** ******. *** downside ** ******* ****** that **** ******* ********** handling *** ***** ******.

** ******* ** *** size ************ ** ***** below ** * *** security *******, *** **** a **** ****** ******* for *********** *** **** for ********, *** ******* with * */*.*" ******, which ** ***** ****** large *** ******** *******:

******** ******* **** *********** ******* typically ******* *** **** super *** ***** ***********.

*** **** ********* ** that, **** ***** *********** cousins, **** **** ** be ***** *** *** far **** *********. ***** is ** **** ********** between * **** ******** camera *** * ************ minidome, ******* *** **** larger:

*** ******* **** ***** installation **** *********, ******** an ******** ******* *** outdoor *** *** ***** the ****** *** **** conspicuous **** ************ *****.

*** ****, ******** ******* with *********** ******* **** to ** * ** 10x **** ********* **** their '******' ****** **** counterparts. ***** *********** ******-***** security ******* ********* **** in *** ********* ** dollars (**** ~$*,*** *** frequent) *** *** **** even **** ********* ** the **** ****, ***** tend ** ** ******** of ******* *** *** be ********* *** *** quality ******.

Image ******* **********

*** ****** ***** **** general *********** ** ***** quality ******* ***** ********** of ******. **** **** these ****** **** ***** from ********* ***** ** different *****, *** *** are ***** ** ~*.***, ranging **** ~**-** ***.

*****, * ************ (***-***** low *****) ***** ***** only ******* ********** ** the *******'* ****, **** his **** ******** **** the ********** ****** **********. By ********, *** */*" super *** ***** ***** clearly ***** *** ******* against *** **********, ****** detection ******, ***** *** 1/2" ***** *** ***** camera ***** ***** ****** details *** ******** *********** and **** ****** ********* not ******* ** ***** models.

******** ** *** */*" super *** ***** *****, the ****** **** * 35mm ************ ****** ***** color ***********, **** ****** detail, *** **** **** detection. ***** *** ******* can ** **** ** green, *** *** *******'* clothing ** *****/****, *** possible ** *** */*" model. ** ********, *** thermal ****** ***** **** of ***** *******, *** the ******* ** **** easy ** ****** ** even **** ****** ** a *** ***** ****** against *** **** **********.

 

Integrated ** *********

*** **** ****** ********** to ***** *** ***** models ** ********** **, as ***** ************ ******** image ******* *** **** low ****, ********** **** low ***** **********.

** **** *****, ********** IR ******** **** ******* than ***** *** *****. For *******, *** *******'* clothing *** ******** *** be **** ** *** comparison *****. *******, ******* from *** *******, ***** integrated ** ****** ** drop ***, ******* ********* by *** ******* *** more *******. 

*******, **** **** *********** of ********** ** ******* varies ******, ********* ** range, ******** *******, *** more. *** **** ******* on ********** ** ******, see *** ** ************ *****.

Options ********* / ********* *****

* ***** ** ***** low ***** ******* *****. For *** *********** ****** category, **** * *** manufacturers ***** ****, ********* the ******** *** ****** (see*** ******** ** *** test), ******* / ***** **** camera (*** **** *******)*** ******* **** ****** (*** test *******).

*** ************ ******* (~*/*"), many ************* ***** ***** low *****, ********* ** utilizing ******* ****** *******, though ***** ***** *******, low ***** *********** *********** do *****. ***** ************* tend ** *** ********* marketing *****, *.*.**** ***********,******** ************,***** ****************** ***********, ***** ********* [**** no ****** *********], ***.

Comments (6)

Much helpful guide. Thanks.

FYI,

Clicking on the link "Infrared IR Surveillance Tutorial" takes you to a page giving this message:

"This report has not been published. Check back later."

 

Clicking on the link "Infrared IR Surveillance Tutorial" 

This has been fixed, thanks. Link is here

Integrated IR image seemed better.

Great and helpful guides. Thank you.....

They are getting better but will the customer be willing to pay the additional cost.

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