On Sat, 15 Mar 2003, Bill Stewart wrote:
They're probably not independent, but they'll be influenced by lighting,
precise viewing angles, etc., so they're probably nowhere near 100%
correlated either.
I notice the systems mentioned in the study rely on biometrics extracted
from flat images.
At 12:39 PM 03/16/2003 +0100, Eugen Leitl wrote:
On Sat, 15 Mar 2003, Bill Stewart wrote:
They're probably not independent, but they'll be influenced by lighting,
precise viewing angles, etc., so they're probably nowhere near 100%
correlated either.
I notice the systems mentioned in the study
On Sun, 16 Mar 2003, Bill Stewart wrote:
You're right that airport security gates are probably a pretty good
consistent place to view the crowd, but getting the target images
is a different problem - some of the Usual Suspects may have police mugshots,
but for most of them it's unlikely that
On Sun, 16 Mar 2003, Eugen Leitl wrote:
There's a world of difference between a line of people each slowly
stepping through the gate past a sensor in roughly aligned orientation and
a fixed-orientation no-zoom low-resolution camera looking at a group of
freely behaving subjects at varying
On Sun, 16 Mar 2003, Bill Stewart wrote:
But there are two sides to the problem - recording the images of the
people you're looking for, and viewing the crowd to try to find
matches. You're right that airport security gates are probably a
pretty good consistent place to view the crowd, but
Derek Atkins [EMAIL PROTECTED] wrote:
Were there really 750 Million Passengers flying through ATL?
No, 75 million. If you look at my message again I did correctly say 750,000
for the 1% false positive figure, although I did not type a comma to make it
easier to read.
Therefore, a better
At 09:01 AM 03/15/2003 -0500, Derek Atkins wrote:
Sidney Markowitz [EMAIL PROTECTED] writes:
In addition, only one subject in 100 is falsely linked
to an image in the data base in the top systems.
Wow, 99% accuracy for false positives! That means only a little more than
75 people a
Bill Stewart [EMAIL PROTECTED] writes:
Were there really 750 Million Passengers flying through ATL??? That
number seems a bit high...
750,000 * 100 = 75,000,000 usually (:-), which sounds more credible.
No idea how many of those are unique passengers, but there are probably
a lot of
Sidney Markowitz [EMAIL PROTECTED] writes:
In addition, only one subject in 100 is falsely linked
to an image in the data base in the top systems.
Wow, 99% accuracy for false positives! That means only a little more than
75 people a year mistakenly detained for questioning in Atlanta
http://www.nytimes.com/2003/03/14/technology/14FACE.html?th=pagewanted=printposition=top
The New York Times
March 14, 2003
Face-Recognition Technology Improves
By BARNABY J. FEDER
Facial recognition technology has improved substantially since 2000, according to
results released yesterday
In addition, only one subject in 100 is falsely linked
to an image in the data base in the top systems.
Wow, 99% accuracy for false positives! That means only a little more than
75 people a year mistakenly detained for questioning in Atlanta
HartsField Airport (ATL), and even fewer at the
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