Re: [Silicon-Valley-Automotive-Open-Source] What technology is behind this?

From: Itsuro Y.
Sent on: Thursday, September 26, 2013 7:29 PM
About the Infinity video,
 
I think Waze (– Google) CAN provides the unique collision avoidance system soon
if they have an intention to do so.
 
Waze got 1 billion dollars funds from Google, so
Step-1). Acquire wireless CAN adaptor and app vendor.
Step-2). Built-in unique app to the existing Waze navigation app.
             Sudden braking triggers to transmit emergency signal to other waze drivers
             nearby within 1 second or so through telephony networks.
Step-3). Drivers who are driving few hundred yards behind get the signal and the
             driver can take action to slow down / change lane, etc. to avoid potential collision.
 
While car manufacturers and Tier-1 players are wondering to deal with regulators,
I think Waze should just DO it !^-^!
How do you think?
- yoshi,....yi
 
Sent: Thursday, September 26,[masked]:08 PM
Subject: Re: [Silicon-Valley-Automotive-Open-Source] What technology is behind this?
 
Yeah, I found that just after I sent the message, but it still makes me wonder. If the Google car has to use a very expensive lydar system (that doesn't see through cars) how can this system work? Is it just motion tracking at the tire/road level? You wouldn't need any object clarity to tell that a tracked object stops. I would think that you'd get a huge blind spot from the vehicle directly in front of you because cars have such... strong electromagnetic properties, what with them being all metal and so forth.
 
Christie
 
________
Freedom of expression is the matrix, the indispensable condition, of nearly every other form of freedom.
- Justice Benjamin N. Cardozo
 
If you're interested in my work,
Videos of my talks can be found here: https://www.youtube.com/user/longobord
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On Thu, Sep 26, 2013 at 5:03 PM, Dean Liu <[address removed]> wrote:
Hi Christie,

According to this video from Infinity, it advertises the sensing to be radar based.
 
However, given if that is true...
I'm now curious on how it discerns radar return targets of up to 2 cars directly ahead, AND how the system algorithm could achieve enough noise rejection confidence as to avoid false alerts. Of course, too many false-positive (nuisance) alerts and the driver will be turning the system OFF, which renders it useless...
 
-Dean
--
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Ding-Jen "Dean" Liu
[address removed]
cell [masked]
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From: Christie Dudley <[address removed]>
To: [address removed]
Sent: Thursday, September 26,[masked]:40 PM
Subject: [Silicon-Valley-Automotive-Open-Source] What technology is behind this?
 
I was wondering if anyone in this wonderful group knew what kind of technology the new Infinity Q50 employs for their Predictive Forward Collision Warning system. It looks so much like the type of thing you're looking for from DSRC it really made me curious. See https://www.youtube.com/watch?v=ko4I8icB4Q8&feature=share#!
 
Christie
________
Freedom of expression is the matrix, the indispensable condition, of nearly every other form of freedom.
- Justice Benjamin N. Cardozo
 
If you're interested in my work,
Videos of my talks can be found here: https://www.youtube.com/user/longobord
Slides from my talks are here: http://www.slideshare.net/ChristieDudley
My papers can be found here: http://ssrn.com/author=1999441




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