Tracks ***** ** ****
*** ****************** *** ******** ********* ** ****** and ****** **** ****-********** *********: ** counts ****.
*** ****** ****** ******* *********, *** pair ** **** **** ** ** and ******* ** ******* *** **** read ** *** *****. ** ******** pairs **** ******* *** ******* ** close ********* ** ******* ******** *********** being *******, ** ** ****** **** 'Tailgating', ** ************ *****, *** ***** place.
******** **** * *****-********* *** ** detect ***** ** ****, *** ****** if **** **** *** **** ** footprints *** ******** ** *** ******:

******** **** ***** ** ****** * characteristic ***** ** **********, *** *** company ****** **** '*** ***** ** shoes *** ********', **** ***** ** boots, *** *** ****** **** *** false ***** ** ***** **** ******* suitcases, *****, ** ***-******* ******* **** or **********.
Spyfloor ******** *****
*** *******'* ***** **** ***** ***** provides * ****** ** ******* *** cases *** ***** *** ****** ** use:

** ****, **** *** ****** *** direction ******** ** ********** *** *******, and *** ******* ****** ******** ********** of ***** **** **** *** ********** are ******* *** **** *** ********* of **** *** *******.
Layered ***** ***
*** *****-********* ****** ** *********** ** glass *** ******* * ******* ******* board **** ** ** */*" *****.
*** ****** *** **** ** *** of *** ******** ***** ** ** installed ** ******** ***** **** *** floor. ** **** *** ****, ******** *** * ****** ~* square **** **** ****** ** ***** booth:

*** ******* *** ******** ** ******* to * ************** **** **** **** reads ********** *** ******* ******* ** not ** ********* **** ********** ** incorrect ******* ***** **** ***** ***** and **** ***** ** ***** ****** to *** ****** ******* ********** ******.

Custom *********** ******
******** ******* *** **********, *** ** order ** ** **** ** ****-********** for ****** *******, ********** *********** **** is ******. *** ******* **** **** any *********** ** ******** *********** **** can ** ******* ** ***** *** staff.
** '***-***-*****' ****** ******* ************ *** available, *** *** ******* ***** ** that ** *** ******* *******, ***** are ****** ** ** ********* *** offered.
Spyfloor *******
*** ******* ** ***** *** ******* are ~$*** *** ****** ****, ** for * ******* *' * *' mat *** ** ***** ** * door, *** * ****** **** **** run ~$*,***. ****** *** ****** *********** are ********** *** **** *** ******** based ** ******** *********** ********.
*** ******* ********* **** ******* *** decrease ** ***** ********** ******* **** up.
*********
*** **** ****** *********** ** ****** control ** ******, ****** **** **** and **** ** *** ******** ** not *** **** ********* *******. ***** issues:
- ****** ****: *********, ********'* ******** ** *** rated *** ******* *** *** ** not ***** ********* ** ****** ******* environments **** *** *** *** *************** controlled. ******** ***** **** **** ** outdoor-rated ******* ** ****** *** ******* next ****.
- **** ******* ***********: ** ********, *** ******* **** that ******* ***** **** *** ***** will *** ****** ****** ***, *** the ****** ** ******** ****** ** track ***** ******* ****** *******. *******, the ******* **** *** ****** ******* must ** **** ***** ** ***** mud, ****, ** ***** *** ** cleaning ** * ******* *****, ** often ** **** *** *** *** typical *****.
- ********* ********** & ******** **** ********: ******** **** ********* **** *********** and ******* ********** *** ***** *********** problems. ***** *** ****** ********** *** rolling ****** *** **** *** ***** damage, *** ******* *********** **** **** of ******* ******** ** *** *** gates ** ********* *** ** *** irregular ***** ********** ********** **** *******.
Sensor *** *********
**** ******** *************: **** *** **** *** ******, the ****** *** ** ****** ** most ***** *** ******** ******* ********* building ************ ** ** ******* **** common ****-********** ********* **** **********, ********, *** ********* *****. *** */*" thickness **** *** ******* ******* ********** or ******** * ******* ** ****** architectural ***** **************.
*****-** *********: *** ***** ******** ******* ** a ********** *********, ********** ******** ** Time-of-Flight ******* **** **** ** ******* mounted ** * ******** ****** *** whose *****-**-**** *** ** *********** ********** by ********** ******** ** *** *****.
Less ********* **** ***** *********
******** ** ***** '****-**********' ********* **** ***** ********* ** ****-**-****** *******, ******** **** ** **** ****** for * ******* ******-**** ******** ****. A ****** *** **** ***** ** cost **** $*,*** - $*,*** ***** on ****, ***** * ****** ***** sensor ****** **** $*,*** - $*,*** based ** ******** ******.
***** ********* **** ******* ********** ***** ***** in ***** ~$*,*** - $*,*** *** are ********* ****** ** ********, *** will ******* ******** ************ ** * doorway *** *********** *************** ****** ************* ******** **** ***.
*******
*** ******* *** ********* *** **** need ** ******* ** ************ *** pricing ** ****** ***** ********* ******.
Vote / ****

Comments (9)
Skip Cusack
Tailgating is the industry's biggest PACS problem, but that doesn't equate to a huge market opportunity. It seems like this abuse is just accepted, and many believe it can be mitigated through training. Which only serves to stop the honest abusers, not the people you really want to catch.
I'm glad to see new approaches to this problem. And this one may work well, but I would guess that the cost of an additional stand-alone technology will limit its adoption.
When anti-tailing comes for almost free, like part of the reader itself, then I think we'll see everyone claim how vital it is. As long as it costs extra money, it's a tough proposition.
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Dori Ribak
10/05/18 03:29am
Seems like a great solution that will fail miserably, there are cheaper sensors that can do the exact same thing.
As mentioned above, a camera with AI analytics can easily count people from 10ft away.
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Skip Cusack
A 3D camera with AI analytics is a fine technical solution. But I wouldn't expect it to be less expensive than a sensor mat or some other low tech solution.
A solution that is packaged as a separate device from what is already installed at the door, namely the reader, will just be too expensive to take off. As readers continue to become commoditized, as surveillance cameras did before them, manufacturers will look for ways to add technology to sustain the price point. Many cameras now have embedded analytics from the factory. I predict readers will follow this trend.
A savvy reader manufacturer would do well to integrate an anti-tailgating option into a reader for an incremental additional cost. It makes good business sense, but also makes good technical sense as the reader already has comms to the controller, or even the door directly in edge applications.
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Undisclosed #1
It might stop tailgating, but it won’t stop piggybacking...
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