Friday, September 21, 2012

NFL warns teams about confronting officials

NEW YORK (AP) ? The NFL has warned teams that it won't tolerate confrontational behavior toward replacement officials.

NFL.com said on Thursday night that senior league officials called owners, general managers and coaches from all 32 teams to tell them that respect for the game demands better on-field behavior.

NFL executive vice president Ray Anderson singled out Monday night's game for having examples of "unacceptable behavior."

He didn't specify which incidents in the Atlanta Falcons' victory over Denver crossed the line, but Broncos coach John Fox and defensive coordinator Jack Del Rio both had heated arguments with officials.

Anderson said, "We're not going to tolerate it."

He said flags, fines and suspensions are possible for coaches or players who crossed the line.

The NFL locked out the regular officials in June and contract negotiations have broken down.

Source: http://news.yahoo.com/nfl-warns-teams-confronting-officials-090415787--nfl.html

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Tibco sees fourth quarter below estimates

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Source: http://news.yahoo.com/tibco-revenue-misses-estimates-204423245--sector.html

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Thursday, September 20, 2012

Surveillance system scans brainwaves to ID possible threats

20 hrs.

The military has been looking into securing borders with automated surveillance systems, but the cameras and computers have trouble distinguishing between terrorists and coyotes ? so a new project uses the most powerful visual threat analysis engine available: the human brain.

Computer vision is growing more powerful and useful every year: it powers autonomous cars, facial recognition in cameras, and many other practical applications. But a false positive on a camera's smile shutter isn't a big deal, while a false positive along a contested border could cause great expense or even armed conflict.

The Cognitive Technology Threat Warning System (or?CT2WS, hardly less cumbersome) used a visual processing system to watch terrain in tests, and it returned a staggering 810 false alarms every hour, almost a third of the total events it recorded. Spread those numbers over miles and miles of forested or tropical borders, and the problem soon gets out of control.

In order to reduce the number of false alarms, the researchers (spread over a number of institutions but led by DARPA's?Gill Pratt) inserted a human into the equation. But not just someone looking at the camera feed?for hours; such monotonous work is fatiguing and often leads to missed events.

Instead, the screen shows image after image in quick succession to the user, while monitoring their brainwaves for a specific pattern: called a P-300 brainwave, it indicates something that needs to be paid attention to by the visual system. And humans, trained for years in the real world, are incredibly responsive to even slight glimpses of motion and suspicious shapes.

The result was a more than 99 percent reduction of false alarms: the researchers'?testing showed just five per hour, and when combined with an extra radar system, that number dropped to zero.

It certainly may sound a bit alarming, using a person?as essentially a graphics processing unit, but the fact is that people are naturally good at this and even if CT2WS is never deployed, computer vision systems can learn a lot from the way humans?do their job.

via Ars Technica

Devin Coldewey is a contributing writer for NBC News Digital. His personal website is coldewey.cc.

Source: http://www.nbcnews.com/technology/futureoftech/surveillance-system-scans-brainwaves-id-possible-threats-1B5995298

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