Some rental car companies have installed a form of trip monitors to detect speeding and other forms of unsafe operation.
Laser guns, which more accurately detect speeding drivers than the older radar guns, will soon be deployed along the length of the New Jersey Turnpike.
Other industrial nations, Dr. Evans said, have pursued a more balanced approach -- better and earlier driver education, stricter enforcement of traffic and seat-belt laws, use of cameras to detect speeding and red-light running and campaigns against aggressive driving.
Constants involved in the presented algorithms are indeed mostly depending on the nature of the objects to be detected (speed and size).
Since SIFT uses DoG as the approximation for Laplacian of Gaussian (LoG) and DoG is much faster to compute, SIFT achieves faster detecting speed than other scale invariant feature detectors like Harris-Laplace and Hessian-Laplace while keeping comparable matching results [35, 36].
To accelerate grain sieve losses monitoring sensor's detecting speed, theoretical analysis was performed from view of structural vibration and a partial constrained viscoelastic layer damping (PCLD) treatment was carried out on the surface of the grain sieve losses monitoring sensor.
Grain collision experiment results found that grain collision signal attenuate time was shortened to about 2 3 ms after treated with PCLD in places with relative larger modal deformation, namely, the developed sensor could identify more than 300 500 grains within 1s in theory, which verified that the sensor's detecting speed was significantly improved.
How moths detect wind speed is a mystery, Dr. Chapman said, but they probably use a visual mechanism to tell direction.
While driving, Assist can also detect your speed via the GPS and will automatically talk to you, telling you who is calling or reading your text messages aloud, allowing you to respond via voice.
It works by using our smartphones' GPS systems to detect our speed and lock our phones if we're moving at more than four miles per hour.
