Appearance Search Guide
Appearance Search has become an increasing trend in the past year, with more developers adding these features, but how does it actually work and what factors impact accuracy?
In this guide, based on IPVM testing, we examine:
- What is "Appearance Search"?
- How does it differ from basic object metadata search?
- How do clothing changes impact search?
- How is facial recognition related?
- What standards impact appearance search?
- How does appearance search impact system cost?
- How does camera imaging performance impact search accuracy?
- What demographic analytics impact appearance search?
- Who offers Appearance Search and metadata search?
What ** "********** ******"?
********* ********, ********** ****** ****** ************ users ** ****** ** ****** * photo ** * ****** (** **** commonly, * *******) *** **** ***** instances ** ** ** ******* ******* appearing ****** ******** ******* ** * system **** ****. **** *** ***** investigations ******** ** ******** ********* *** other *********** ** ** ******, *** it *** *** ******** **** ** crowded ****** **** ***** ***********, **** as ********, ********, ** ****** ******* where **** ****** **** *******.
*** ***** ***** ************ ***** ********** Search *** ** ******** ******* ****** (*** ***** *** ** ***** *** feature):
No ******** **********
***** ** ** *********** ******** ********** of ********** ******, ** ***** ****** be ***** **** ************ *** **** widely ** *** ************ (********* ** detail *****). *** **** "********** ******" was ****** ** ********, *************** *** ******* ** ****, ****** ***** ********* **** ******* it *** *** **** ***** ** it ** "********** ******" ** "******* search," ***** ******.
How ********** ****** *****
***** ******** *** ******** ****** ** data, **** ************* ***** *** ******/***** ratio, *** **** ******** ****** *** color, ******, ***, **** *****, **** and *******, *** ****** ** ********* similarities. ** **** ***** (*.*.,********), ***** *** **** ** **** as * ********* ** ********** ******, though ** ** ******** **** ****** facial *********** ********, ********* *****.
**** ********* *** ********, *****, ******* type, ****, ***., *** **** ******** used, ****** **** ********* **** ***** to ******* **** ******** **** **** as**** *** *****.
Appearance **. ******** ******
********** ******, ***** *** ****** * growing ***** ** ****** ********, ** related **, *** **** ******** ****, typical ******** ******. ***** *** *** several ******** **** ***** ******** ****** metadata, ********* ******** ***** *** *****, gender, ***, ***., ********** **** *** searchable ** *****.
**** ****** ***** ** ****** *** more ********* **** ****** ****** ** vehicle, *.*., * ****** **** **** pants *** ** ****** *****, ***** speeds *** ******.
*******, ******* ** ******** ********* *** subjects **** ***** ***** ******** **********, true "********** ******" ******** ** ****** the **** ******* ***** ** **** than **** *** ******** **********, ********** to ******** * ******** ******* ******* of *** **** ** ****** ******* the ****.
*** ** ********** ******'* ******* *************** is *** ******* ** **** ******** across ******** *******, ***** ******* ******** searches **** ***. *** *******, *** subject ***** ** ***** ***** ******** Appearance ****** ******* ******* ***** ********* outfits ****** ********* **** *** ** widely ****** ******** ********** ***** ***** affect ***** ******** (********* ** **** detail *****).
***** * ******** ******, ** **** case, ***** ****** ****** **** *** clothing **** *** ** ***** ****, not ********.
Performance ********* ** ***** ***********
**** **** *********** ** ********** ** similarity ******** ********* ** *** ****** of ******** **** *********. ***** **** people *** ****** ** ****** "*******" in ***** ************* **** ** ***** stations, ********, ********, ***., ******** *** more ****** ** ******* ********** *******. The ****** *** ***** ** ****** in ********* **** ********, *** **** so **** ** ******* ***********.
Appearance ****** + ****** ***********
**** ********* ***** ***** **** ********** search *** ****** *********** *** *** combine *** *** ********. **** **** users ****** * **** ******, **** find ********* ** *** **** ** similar ****** ***** ** **********, ** start **** ** ********** ****** *** launch * **** ****** **** * clear ****** ******* ** *****.
**** ************* ******** *** *********** ** search ****** ******** *******, ***** *** subject's **** ** ******** ** ** impacted ** ********. ***** *****, *** subject ** ***** ****** ******** **** in ********* ********, ********* ******* ** hats *** *******:
Appearance **. **** ****** **********
********** ****** *** ******* ********** **** using ****** *********** *** ******:
- ***** *** ************: ********** ******** **** require *** **** ****** ** ****** a ****** ** ********, ***** ****** recognition *** ******** ***+ *** *** accurate *********** ** *** *****.
- ***** ** ****/**** ******: ************, ********** search *** ******** ** ******** **** only **** *** **** ** ****, not ******** **** ****** ***********.
** ********, *** **** ********* ** facial *********** ****** ** ********, ***** faces *** **** ****** ** ** misrecognized **** ********' ***********. ***** ******'* faces *** **** *******, **** *** more ************** **** ******** *********** (*.*., red *****, **** *****) ** ******/***** ratio, ***.
Appearance ****** ********* ***********/** *********
********** ****** ** ********* ***********, ******* to * ****** ************'* ******* *** VMS, *.*., ******** *** ******* **** Avigilon ******* ****** ** *** ******* and ***** *****. *******, ***** *** open ******* **** ******* *****-***** *******, such ** ******'* ********* ** ********'* AI **********, ***** ******* ***** *******.
** ********, ******** ********* ******* ****** metadata ****** ** ********* *****-***** *******, such *********,********* *********** ******,******* *****.
***** ********* **** **** ******** *** some ******** ****** *** ****** ******** (see***** ******* * ******), ** **** ********* **** **** released ******** ** *** ********** ****** functions ** *** *******.
Impact ** ****** ************/****
********** ****** ** ******** ********* *** to *** ********** ** ***** ***** processed, ********* ********* ****-*** **** *** processing. **** ********* ***** ** ************ systems, **** *** ***** ***** $*,***+. However, ** ***** ******* ***** ********** search, *.*.,***, ********** ** **** ** *** cloud, *********** ***** ******** ************.
Appearance ****** ******** *******
***** *** ******* ****** ******* *** analytic *********** ******* ***** ****** *** accuracy ** ********** ******, *********:
- ********** ******** *****
- *** ***** ***********
- *********** *********, **** ** ********, ******, and ***.
IR/Low ***** ***** ******* ******
** **** ****** **** ** ************, color ******** ** **********. ******** *** seen **** ** ******* ***** ** grey, ****** ** **** ********* **** searches *** ******* **** ******* ***** or **** *****.
************* **** **** ***** *********** ********** searching ** ****** *** ***** ******. However, **** ******* *** ********** ** appearance ****** ****** ******** **** *******, especially ** ***** ***** *** ****** integrated ** ** ** ****** *******.
Low ***** ***** ******** ******
*********, ***** ******** ** ********* ** night ** ***** ****, ****** ********** search **** ********. *******, *** ***** color ******** ****** ****** **** ****** to ******, **** **** ********* *********** close ** **** ** *******, *** others ********* ****** ***** ***********.
*** *******, **** ******** *** ***** ******** ****, ***-********** ******* (** *** ****) are **** ** ******** ****** ** the ********* ***** **********, ***** ***** on *** ***** *** *********** ** washed ***.
Metadata ******** ******
********** ****** ** **** ******** ** the ******** ** ******** *********, ***** may ** **** ** ******* ** search, **** ** ********, ******, ** age. *******, ************* ********* ** *** disclose ***** ** ***** ********* *** used ***/** *** **** *** ******** in ********** ******. ******* ** ****, some ************ *** **** ***** ****** on ***********, ***** ****** **** **** whatsoever.
*** ******** ********** ** *********** ********* and ***** ********* ******, *** *** 21-page***** ********* ************ ***** (***, ********, Emotion, ******, ****).
Manufacturers ******** ********** ******/******** ******
***** *** ******* ************* ******** **** Appearance ****** ** ******* ***** (********* for ******** ******** ******* ** ****** colors/demographics), *********:
- ******** ********** ******– ******** *** *** ***** ************ to ***** ********** ******, ** ****. Their ********** ****** ******** ****** *** vehicles *** *** ** ******** **** Appearance ****** ****** ***********.
- ***– ***'* ***** ********* ******* ****** search ***** ****** ***** ** ****** a ***** ** * ******** ****** and ****** *** ***** *********** ** them. *** *** ************ **** **** that ***** ****** ** **-************** *** does *** *** ****** ***********.
- *****– ***** **** ***** ****** ****** users ** ****** ** ***** ** a ****** ** **** ******* ********, based ** *****, ******, **** *****, etc.
- ********– ******** ****** ***** ** ****** for ******** ******, ******** **** ***** video ** **** ******** *****.
- ******* ***********– ****** ***** ** ****** ** photo ** ****** ****** **** ******. Appearance-based ***** *** **** ** ********** to ****** ******** *********** ** ****** (e.g., ****** * ***** ** * high-vis ****, *** ***** ** ******).
- ***** ***/******* ******– ***** ***'* ***** ****** ****** users ** ****** *** ********
- ******* ********– *** ****** ***** **-************** ****** uses * "********* ** *******" ** search *** ******* ********, ******** **** recorded ***** ** ******.
- ******– ****** ******** ****** *** ******* search, ** **** **"**-**********" *********** ***** *********** ******* ******** ******** and ****** *** ********** ****** **** them.
********'* *** ***'* ******* **** **** their *** ***/***** ********, *** **** allow *****-***** ******* ** ** ***** via **********. ****** ******* *****-***** ******* via ***** (** ****).
******* ****** ********* ******* ******** ******, which ****** ***** ** **** ******* on ******** ************, **** ** ***/****** color ** ******, ********* ** **** integrated ** ******* *******.
***** ********* *** ***** *** ******* easily ** ******* *** **** ******* IPC *** ***
**** ***** ***** ********** ******?
*** **** ***** ********** ****** (*.*., submit *** *****, *** ******* ** video ****** **** *** *******) ** are **** **** ***** ******* *************** of ********?
**** ********* ******** *** **** ******** algorithm, ***** ******** ****** ******* ****** has ******* *********** *********, *********face *******, ********* ********** *** ****** ********, which greatlyimprove the accuracy of video analysis. The series camera supports dustproof function, waterproof function and vandal-proof function, complying with the standards of IP67 and IK10 (Supported by some select models).FunctionsFace DetectionDahua Face Detection technology can detect the face in the image.With deep learning algorithm, the technology supports detecting, tracking, capturing and selecting the best face image, and then outputs face snapshot.Face AttributesWith deep learning algorithm, the network camera can recognize faceattributes, such as gender, ***, **********, *******, ***** ****, ********. [******** *****]
* ***'* *** *** ***** ***** appearance ****** ** ***** * ************* like **** ****** **** ********** ******. Can *** ** **** ******** *** share * ********?
********** ****** ** ******** ********* *** to *** ********** ** ***** ***** processed, ********* ********* ****-*** **** *** processing. **** ********* ***** ** ************ systems, **** *** ***** ***** $*,***+. However, ** ***** ******* ***** ********** search, *.*.,***, ********** ** **** ** *** cloud, *********** ***** ******** ************.
* ***** *** **** *** **** Avigilon **** ****-***. ****, *** ***** appliances **** **** ** **** ***. That ** *** **** ** *** cloud.
"** ********, ******** ********* ******* ****** metadata ****** ** ********* *****-***** *******, such *********,********* *********** ******,******* *****."
** *** **** ***** ****** *************' offer **** ******** ** ** ****? Not *** ***** ***** ***** ************ that **** ***** *******.
***** ********* **** *** *** **** CV ******* **-*******. ****** ******** ****** is ****** **** ****** ** ******* objects *** ******* ****. ********** **** - *** **** ** *****.
*** ******* ** *** ************ ******* in *** *****. * ***** ******* you ** *** **** **** **** or ******* ** **** ****** ** the *** ** **** ******* **** low *******. * **** ***** **** you **** **** *** ******* ** the ******'* *** *** ******* *** more *********.
**** *** **** ****** *** ****-**** appearance-search? ******* ** **** ****** **** you ******* (** ****** * *****) and **** *** ***** **** *** subject ****** ** ******** ***** ** cameras?
*****'* ********* ******, *** ******** / issue ** *** **** *** ** be ****. **** ********** ******, *** assumption ** **** ** **** ** like ****** ****** *******, *** ****** you **** *** *** ** *** top ****** *** ** ** ** in *** *** ** ** **, the ******** *** ** *********.
**** ******, ***** ** ****** *** responder ** *********** **** *** *****, anytime *** ***** ** ***** ********* a **** **** ** *** *********.
***, *** **** ** ******* ******** Search ** *** *** ********* ****** to **** ******** ******. * ***'* think ******* *** ********** ******?
** ** **** ******** ****** ***Genetec. It is built to be used with Genetec. **** ** *** ******* **** ***** it.
*****
***** ***** "*******"
***'* ** ******** **** ** **-******* Avigilon, **** (**** **** ********** *******) yet?
***** ********* *** ***** *** ******* easily ** ******* *** **** ******* IPC *** ***