ProCam Low-Cost Open Thermal Temperature Project

By Charles Rollet, Published on May 12, 2020

An engineering professor in Switzerland is building what he hopes will be the world's lowest-cost fever camera, costing a fraction of commercial offerings today.

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In this post, based on an interview the project's founder Touradj Ebrahimi, we examine the:

  • Professor's Background
  • ProCam Timeline, Business Model Details
  • ProCam Purpose: "Very Low Cost", Several Hundred Dollars
  • Multiple Cheap Sensors Key to Low Cost
  • ProCam AI Use Details
  • Number of Sensors Currently Unknown
  • Accuracy Unknown So Far
  • ProCam Won't Measure Specific Increments
  • Effective Distance Of 7 Meters
  • Long List of Challenges

******, ***** *** *** been ***** ****** ***, is ***** ** ******* this ** ********* ******* low-quality ******* *** ***** AI ** ****** *** "the *****".

**** ** ********* ** any ***-**** ***** *** solution, ** ***** ********* is ******* ******* ** the **** *********** ******* 'normal' *** '*****' **** the ******* ********** ** measuring ****** ** *** wild.

*******, ******'* ******* **** it's ************* ******** ** create **** * ******, and *********** **** *** accuracy **** ** *****, says *** ****** **** only **** ******* ******* has ** "*****-*******" *********** or *** (** * certain ****** ** **********).

Background ** *********

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******* ********** ** ******* ********* at *** ***** ******* Institute ** **********, ******** (EPFL), *** ** ********'* *** *********** *******.********, *** *** * Ph.D. ** ********** ***********, has ************ *********** ** video *********** ****** **** thermal *******. ** ** also *** **-******* ** startup*********, ***** *********** ** using ******** ******* ** once ** ****** ** videos *** *************.

ProCam ********, ******** *****

****** ** **** *** - ** *** ******* in ***** ** **** of ** ****-*********** ********* and *** * ************** ** ******** *** his ********.

****** **** **** * GitHub ********** ******** **********:

*** ***** ********** *** scheduled *** **** *** the ***** **** *** "October, ********, ** ********", Ebrahimi ****. ** ***** testing *** *** **** performed *** ******** ******* to ** ** ** the ****** ******.

****** ** * "*******, not * *******" - it ** ***-***-****** *** there ** ** **** to **** ***********/**** *******. Rather, ** *** ****** proves **********, *** **** is ** ******* *** software/hardware ******* *** **** to ***** *** ****, although ** ***** ****** any ************ ******* ***** scale *****************.

ProCam *******: "**** *** ****", ******* ******* *******

******** **** **** *** ProCam ***** ** ****** at "******* ******* *******" so **** ****** ****** could *** **. *** aim ** ********** *** in ***** *****, *******, and ***** ****** **** can't ****** ****-*** ******* cams:

** **** ** *** if **'* ******** ** get * **** *** cost [*****] ******. **** of ***** ******* *** very, **** *********.

*** ***** **** ******* of ****** ** *******, which ******** **** **** be ******** ** ********** footage ** * ******* server *** **** ******** the ******** ****** ** health *********** ** **-********* relevant ********.

Multiple ***** ******* *** ** *** ****

** *** *****, ****** uses ******** ***** ******* and ***** ****** *********, off-the-shelf **********:

*** ****** ** *** using ***** *** ** one **** ** **** popular, *** *** *****, which ** ** * 24 ******. ** ***** Francs, **'* ***** ** CHF *** ****** [$**]. And *** **** ** the ****** ** ********* Pi, ********* * ***** PC.

****** ******** ** ******** ** ±2°C, ***** ** ********* far *** *****- **** fever *** ************* **** accuracy ** ±*.*°* ******* Celsius, *** ************* ********* specify * ******* ±*.*°* of ********.

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ProCam ** *** *******

******'* ******* ** ** use ** ** ************* improve **** **** ******** level:

** *** *** ***** the ***** **** ** generated **** **** ** the *******, *** *** actually **** **** *** with **** ** ********* and ******* **********, *** can ****** **. ** your ****** *** ****/***** 3 [*******] *******, *** will ** **** ** go **** ***** ** 0.5 ** ***** ****. It ******* ** *** you ***** *** ***** and *** **** ******* you ****.

****** **** *** * superresolution ********* ** ******** resolution *** ******* ** filter *** *** *****:

** *** ** **-***** superresolution ******** ***** ** also **** ****** **** can ** ** ** 8 ***** ********** *** the ******* **** ** be ***** **** - you *** *** ** 8 * *, ** every ****** ***** ******* 64 ****** [...] ** fuse *** **** **** each ****** ** ***** to ******* *** ******** of **** ****** ** modelling *** ***** ******* to *** ******* **** as ***** ***** ** Wigner-Ville ************ **”

**** ***** ******** ******* he **** ** ********** studies ** ********** ******** showing **** ** *** be **** ** **** way ************ *** ***** cameras, ******* ** ***** not **** ***.

******: ******** ******* *** that********* *** ********* * system*** * ****** ******** that ************** ******* ******* someone *** * **** and ***** ***** ***********. However, ***** ** ** evidence **** ********* ****** uses ** ** ******** accuracy, ***** ** **** ProCam ********.

Number ** ******* ********* *******

****** ********* *** * sensors *** ******* ** hasn't **** ****** ***, Ebrahimi *****'* **** *** many ** **** ******** end ** ******:

***** *** **'* ***** low-cost *******, ****'* *** number ** *** ****** but ***** *** ** enough ** ***** *** need ****. ** ***'* know, ** **** ***. One ***** **** ** known, *** * *** of ****** ***** ********* have **********, ** **** the **** ******* ** the **** ****, *** better *** ******* *** accuracy.

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

******** **** *** *** know *** ******** ****** will ** ** ** has *** **** ****** yet:

* ***'* **** **** will ** *** ********, that's *** ****, *** I ***'* **** ******* false **** ***** ** do *****.

ProCam ***'* ******* ******** **********

***** ****** ******** ** the******* ******* ************* ******** **** *********** increments (*.*. **.*°*). *******, Ebrahimi **** ****** **** only **** ******* ******* has ** "*****-*******" **** temperature, ** * ******* degree ** **********:

** ****** ** *** that ** **** ** putting * ****** ****** someone's **** *** ****** 101°F; **** ***** **** you **** ********** *********** [to **** **** *** temperature] ** ***°*, *** we *** *** ***** down **** ****. ** are ***** **** *** road **: **** **** person **** * *********** above *** ***** ** everybody **** ******* ** in ***** ** **** camera? ** *****'* **** we *** ****** **** the ***********, **** **** this ****** *** * higher *********** **** *******. We ***** *** * probability ********* **** ******* has * ****** *********** than ******* - ** it's **% ****'* *** that **** ** **%.

**** ******** ***** *********** hurdles. *******, *** *****'* top ********* ************ *** electrotechnical ********, *** ***,************ ********** ***** **** **** display ********* **** *********** in *.*°* **********:

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*** ** ************* ************** ***** ********* ** well. ****. ******** *** not ***** ** **** requirement **** ** ******* it **.

Effective ******** ** * ******

******'* ******* ********* ******** is * ****** (** feet), ******** ******* *** not *** ***** ******* this **** ******** ** accurate ******, ******** ****.

**** ** * **** long ******** *** ***** cams *** **** ** skeptical **** ****** ***** ever ****** * ****** result. **** ** *** example **** *** *** considers * "******** ********** individual" - ******* *** distance ** **** * few **** **** **** much ****** **********:

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Camera **** "*****" ** *******, ******* *******

** ***** ** **** mass ******** ** **** as ********, ****** ** slated ** ** ******* powered/rechargeable *** *** *** and **** ******* ** mounting/screws/etc, ******** **** ****.

******: *** ***** **** be * "****** ******" (see *****), **** ** "external ***** **** *** be ****** ******* ** glued ** * ****, a ****** ** * mount ** * ******," Ebrahimi ****. *** ******* would **** "* ** 3 ******".

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Long **** ** **********

**** *********** *** ******* but ****** ***** * long **** ** **********:

  • Accuracy. The big question for ProCam is whether it can actually obtain accurate fever estimations for people or not. IPVM does not believe this is possible via a combination of cheap sensors and AI.
  • **********.****** ***'* ******* ******** temperatures *** ****** *** only ******* **** "***** average". **** **** ******* to *********** ********* *** fever ****** *********, ***** explicitly ******* ******** *********** displays *** **** ******, meaning ****** ***** **** itself ** * ******* tricky *********.
  • **************.*** **** ** ****** is ** ***** ***** cameras ** *** ******, however, ** **** ************* ***********, ***** ********* ** such * *********** *********/******* task **** **'* ****** likely ******* ********* *********** in ****** ** **** a ****** ***** **** to ******** ************** ******, false *********, *********** **********, etc.
  • AI *** **** *******. ProCam's use of AI is unprecedented as IPVM is not aware of any studies or existing products which use algorithms to the extent ProCam does. Ebrahimi was unable to provide such evidence too. Perhaps this AI will work, however, ProCam would be a first.

Conclusion

*** *** ******* *****, IPVM ** ********* ** ProCam, *** ** *** happy ** **** ** when * ********* ***** out. **********, *** ***** in **** ********* ** producing *********** *** ********** and ** ** ***** watching ******* ****** (** someone ****) *****, ******* our **********, ******** ***** a ***** *** ******** fever *** *** *** masses.

Comments (2)

***********! * ** **** a ******* *** ***, heck **** ****, ***** ago * ***** **** never ******* * ***** have ******** ****** ****** in ** *** **** that ********** **** ************ models *** * ******** of *** *****.

***** *** * *** of ***** ********** ********** of *** **** *****. The **** ***** **** this ******* **** ** AI ***** ***** ** sharpen *** ********. ***** as * ***** ** a ****. *** **** else, **** ** *** sensor.*****://***.******-*******.***/*******-***********/*******/********/***-**-*****-****-***-*******-******-***-****-****-***

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