Facial Recognition 101

Published Mar 18, 2020 14:52 PM

Facial recognition interest, use and fear is increasing. This guide aims to teach you the fundamentals of facial recognition.

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Inside we cover:

  • Face Detection
  • Face Recognition
  • 1:1 vs 1:N
  • Cooperative vs Uncooperative
  • Resolution / Image Requirements
  • Logistical Issues Setting Up Facial Recognition
  • Avoiding / Undermining Facial Recognition - Masks, Hats, Sunglasses, etc.
  • Looking Down to Avoid Face Recognition
  • Crowds / High-Density Performance Issues
  • Liveness Detection
  • Accuracy
  • Ethical Concerns
  • Face Recognition Providers

Those interested in facial recognition performance should read our Research test; Facial Recognition Rankings 2023 - Avigilon, Briefcam, Hikvision, IronYun, Oosto, Rhombus, Turing, Verkada.

Facial *********

****** **** *********** *** ** *********, a **** ***** ** ** ********. Typically, * *********** ****** ** ***** over *** ****. **** ** * relatively ****** ********, *** **** ****** for **** ******** **** **** ***********.

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

  • ***** ** *****: ***** ** ** 'easy' ** ****** * **** ******* directly ** *** ******, *********** *** vary ************* ********* ** *** * person ***** ***** **** (****, ****, right, ***.)
  • ******** ** ***** - ***** ** is '****' ** ****** * **** looking ******** ** *** ****** ** a ****-*** *****, *********** **** **** significantly ********* ** *** ******** ********** of *** ***** (*******, ********, *****, etc.).
  • ********* **** ** ****** ***** - Finding *** *********** **** ******* *** in * ***** *** ******* ***** objects *** * **** (******* ** a ****, * ***, * ***, a ******* ****, ***.) *** ** very *********** ***** **** ***** ************ devices (*.*., ** *******, ****) **** limited ********** *****.

* ****-*** **** ******* ******** ** the ****** **** ** **** ** detect:

***** *** **** ** * **** in *** ******** **** ** **** challenging:

Facial ***********

****** *********** ******* *** ******** "***** face ** ****?", ***** ** ********* information **** ************* * ***** ** pursuing * ********** ******.

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****** *********** ****** ****** ****** *** face *** ******* **** ********.

1:1 ** *:*

****** *********** ****** ******** * ****** to * ******** **** (*:*) ** identifies * ****** **** **** ***** (1:N).

*:* ******** ** ****** ************. * single ********* ***** ** ********* ** the **** *********** ******, *** ** determines ** *** **** ******** ******* that *****. *:* ******** ** ********** easy:

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*:* ******** ** ****** **************. **** photos *** ********* ** *** **** recognition ******, *** ** ********** ** the **** ******* *** ** ***** photos. *:* ******** ** ********** ****, much ****** **** *:*:

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***** ************ **** *********** ************ *** typically *:* *** **************.

Cooperative ** ************* **** ***********

*********** **** *********** ** ********** ****. This ** **** * ****** ***** and ******** ***** ******** ** *** camera (*.*., ****** *******, ******** ***********,******):

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************* **** *********** ** ********** **** because *** ****** *** ** ********* to *** ****** ** ***** ** worse *** **** *** ** ****** to ***** **:

********, ***** *** ****** ** ********* and ******** ********** *** ******** *** challenge, ********* ** ************* ***** ********.

Logistical ****** ************* **** ***********

******* **** ****** *** ******* **** face *********** ******* ***** *** ************ cameras *** ********* ********* **** ***** the ****** ** ***** **** *****, uncooperative **** *********** ** * *********** percentage ** ****-***** ************.

**** ***** **** ********* **** **** recognition ******** **** **** ************ ******* is **** ***********.

Resolution / ***** ************

**** *********** ******** ************* ****** ********** or ****** *** ****/***** **** ******* person ********* ** **** *********. **** manufacturers ******* ************ ** "****** ******* the ****" ** "****** *** ****". While *** ************** ****, **** ************* require ********* ******-***-**** (~*** ******-***-*****).

*** ******* ****-***** ************ *******, **** generally ***** ***** ********* *** ****** accurate ****** ***********:

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Mounting ****** / ****** ********

**** ************ ******* *** ********* ** ceilings ** ***** **' *** ****** so **** *** *** ** *****. This ***** **** **** ******* *** aimed ***** ** ** *** *** of * ******'* ****, ***** ***** face *********** *********** *** * ****** or *********:

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**** *** **** ** ********* ****-**** images, **** ****** *********** ******* **** specify ******** ************ **** ******* ******* or ******* ****** ** **** *******.

Angle ** ********* / ****** ********

******* **** ************ ******* *** ********* on ** **** ** *****, ** they *** ***** ** **** **** of * **** ** ********, **** do *** ********* ******* * ****** view ** *****, ***** ********* *** side ** * ******'* ****:

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***** **** ****** *********** ******* **** fail ** ***** ***** ** * high ***** ** *********, **** **** that ******* * ***** **** ** so **** ************* ***** ******** ** confidence ******** ** ****-**** ******.

Lighting ******

***** **** ************ ******* *** **** to ******* ****** ******* *** ****** detection ** *** *****, ****** *********** requires ************* ****** ******* *** ***** clarity.

**** ******* *** ***** ***-***** ****** techniques **** ****** *********** ** *** light **** ***********/**********:

**** ******* ******* ** **** ** illuminate **** ***** *** ******** *** details ******** ** *** ******. *******,** *********** ****** ****************** *** ******** ******* *** ******** face *********** **********:

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Avoiding / *********** ****** *********** - *****, ****, **********, ***.

**** ******* ***** *** ****** ** actively ** ************* ********* *** *********** of ****** *********** *******:

  • **** *** **********
  • *****
  • ******* **** / ****
  • ******

Hats *** **********

********* ** *** ******** (******** ** exterior) *** ******, **** *** ********** are ******** **** ******* ********** ******* suspicions. *******, **** *** ********** ********** impact ****** ********* **********:

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***** **** ****** *********** ******* ****** their ******* ** ******* ****** *********** with ****, **********, *** **** *****, at ****, ** ****** ******* *** confidence ***** ** ******* *** ********* increases *** *********** ** ******.

*****

***** **** ************ ******* ** ******* facilities, *** **** ****** ****** ** public ****** **** *** **** *** years *** ** *****.******* ***** ************* ******** ***** **********, **** ****** ********* *** ********** at ***:

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*** ******** ** **** *********** ********** also **** *** ******* *** *** decrease ** ***** **** *** ******** while ******* *****, ***** ***** ******* compound *** *********.

Looking **** ** ***** **** ***********

******* **** ** * ****** *** significant *** ** ********* ****** *********** systems. ** ******** ** *** ********* of ******* ****** ************ *******, **** people **** ****, ** ***** (*.*. looking ** ***********):

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***, ************* ********* ** ***** ****** who **** ** ***** *********, **** known *** ***** **** ******* **** makes ** ****** *** ****** ** facial *********** ******* ** ******** ****.

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Crowds / ****-******* *********** ******

**** ********* **** **** *********** ** marketed *** (*.*. ********, *******, ********) often ********** ***** ****** ** ****** that ***** ****** **** **** **** detection *** **** *********** *******.

** ******** ** *** **** ****** of ***** ******* ********, ***** ***** blocked/obstructed *** **** *********** *** ***** multiple ********** *** *** **** ****** in * ***** **** ******.

Liveness *********

****** *********** ** ***** ****** ******** as * ******** ** ******** ****** control. *******, **** ******* ** *** offer ******** *********, ***** ***** **** can ** ******* ** ******* * photo ** * ****** ** * real ******:

IPVM Image

******** ********* ** **** ******** ******* and *** ** ********* ** ******* specialized ********. *** ****, ***:****** *********** ******* **** ****** ******** Detection ****.

Accuracy *** ****** ***********

********* ******** *** ****** *********** ******* is **** ****. ******* **** ** market **** **********, **********-******** ******* **** 98.6% ********:

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*******, ********** ******* ****** *********** **** differently:

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***** **** ****** ** ****** *** scope ** * *** ************, *******, it ** ********* ** ********** **** these ****** ******* *** *********** ******** between ***** ********* (*.*., ******** *** wrong **** ** ******* ****) *** false ********* (******* ** ***** * face ** * ****** ** *** watchlist).

IPVM Image****** * *.* ********** ********* *** technology ********** **** ***** **** *********** algorithms ** **** ** ***** *********** *********** ****** ******* (****).

****** **** ******* *** ***** ** many ************* ** * ********* ****, however, ** *** ** ********* *** non-experts ** ********** *** ******* ** the *******, ***** *** ******** *** academic.

**** **** ********** ************, *** ******* still ****** **** ****** *********** ******** is ****** ********* ** *** ****** it ** ***** **** - *.*., how *** ***** *** ****** ** mounted *** **** ****** *** ******* or ***** **** *** ********* ***********.

Ethical ********

**** *********** *** ******** ********** ***** attention ******* ** *** ******* ******** of **** ***********, ******* **** **** collection, ******************. ********, **** *********** ******* *** be **** ** *********** ** ****** minorities *** ********* ******* *** **** detention *** ********* ************ (*,*,*).

***** ** ******** ** **** ********* *** *** ********* ** *** ** *** ** GDPR(******** *** ****** ********), ********* ************* ******* **** *********** ******* **** ****** media ********, ** ******** *** ***** of **** *********** *** ****** ******/****** users.

Face *********** ******** *********

***** ** * **** ** ******* face *********** *********, ****** **************:

  • ******: ****** *****-*****************, **** ************* **** ******* ***** their *** ****** *********** *******.
  • *********: **** ****-****** *** ************* ******* offers **** *********** *** ************, ****** control, *** ****** ************ (**** ****)
  • ********: ***-**-*** ************ ************, ******** ***** face *********** (**** ****)
  • ********: ***** ********** ********* *********, ******** added **** *********** (**** ****)
  • *****: ***** ***** ************, ****** **** recognition ******* *** **** (**** ****)
  • *********: *****'* ******* ************ ************, ****** face *********** ******* *** **** (**** ****)
  • ******/****++/*********: ***** **** *********** *********** ** China, **** ****** ******** ******* ** China
  • ***: **** ******** **** *** ********** facial *********** ******** *** **** ***********, requires ********** *****.
Comments (9)
MR
Malcolm Rutherford
Mar 18, 2020

*** ***** **, ******* ** **** it ** ***, **** **** ********** genie ** *** ** *** ****** and ** ******** ** **** ** put **** **** **. **** *********** is ******** **** *** **** **********, one **** *** ** **** ** social ***** *** *** ***** ** Facebook ** *** *** *********** ******** is *** ************** ** ****** ** their *** ******, ** *** ****** of ******.
******** ** ********* ** *** ****, China ** ******* ******* **** *** "social ******" ******, ***** ******* **** the ******* ** **** ******* ** what ** ***** **** ****** ***** facial ***********. ***, ** **** *** seem **** ********** ** **** ** privacy ******* *** ************ **********. ********* this *** * *** ** ** with ********** **********, *** *** *********** must ** ********** **** ****** ******** don't ****.
**** ** *** **, ********* ** my *****, *** ** ****** *********** systems ** * ****** *********** ** gaining ************ ********. **** *** ***-**** perspective *** ******** ** ********* **** a ****** ****** ** ******** *** other *******.

(2)
(1)
CP
Connie Petree
Mar 19, 2020
IPVMU Certified

* *** *** ***** ** ******** detection ***** **** *******. ***********!

JH
John Honovich
Mar 19, 2020
IPVM

******, ******! ** **** * ****** on **** -****** *********** ******* **** ****** ******** Detection ****. **'* ** *********** ****. *'** added **** **** ** *** **** of *** ******.

(1)
UI
Undisclosed Integrator #1
Mar 23, 2020

** ****,

*'** **** ******* **** *** **** about ***** ****** *********** *** **** hearing **** ***** ********** *** ****** more ************ ***** **** *** ***********. Have *** ****** *****?

JH
John Honovich
Mar 23, 2020
IPVM

** *** ******** ******* ** **** right *** ***** ***** ****** ************ about ****** *********** **** ***** **. We **** *** ****** **** *** but ** **** ****** **** **** information.

***, *** *** *** ******* **** about *****?

UI
Undisclosed Integrator #1
Mar 24, 2020

* *** ******, **** ********* *** heard ***** **** *** ***** **. In ****** ***** **** ***** ***** people *** * *** **** ** company’s **, **** ** ******. * haven’t **** ** ***** ** *** actual ******** ****** *** ****** ** check ****.

CH
Chad Huggins
May 12, 2020
IPVMU Certified

** ***** * ******** *** ******* up * ****** ************ *** ****** recognition? * ******* *** ******** ****** and *** ***** ******* ******* ** this *****.

Avatar
Ofer Ronen
May 18, 2020
Corsight AI

** ******* ** *** **** *********** technology, **** ******* ***** *** **** to ** *******, **** *** **** well ** **, * ***** **** vendor *** **'* ******/**** ******, *** need ** **** *** *** **** suit **** *****, **** *** **** sensitive ** ***** ********** ** *** them *** **** * ****** ****** or ******* *** ************

Avatar
Skip Cusack
May 18, 2020

***** **** ***** ******* ****. *** nit: ************ **** *** ** * single ***** *** *:*. ** ****** requires **** *** **** ** ********** through **** ***** ******** (*.*., **** you **** ** **** *** ****). So ** ** ****** ******* ***********, a **** *** *** * **** or *** ***** *** **** *** face *** *** ****** ***** **** lots ** ****** ** *** ****** to ****** *** ********.