But computerized searches can be greatly compromised
by false detections caused by a small amount of light scattering in the telescope's camera — particularly when there are bright stars or densely packed stars in the image.
Not exact matches
Musk replied
by pointing out that the
detection system «tunes out» objects that it labels as road signs, underlining that this helps the car running at optimal speed and away from «
false braking events.»
Responding to a review of 19 research papers, funded
by Cancer Research UK, which reported information on cancer
false alarms and the impact on people reporting future symptoms, including six carried out in the UK, Davinia Green, Head of Breast Awareness and Early
Detection at Breast Cancer Care, says:
Predators, he reasoned, locate their prey
by looking for their outlines, so animals with high - contrast markings that disrupt telltale edges and create
false ones can evade
detection.
The LIGO detectors have sophisticated systems for reducing unwanted vibrations, but the team needs to carefully check that any
detection is not a
false alarm — vibrations produced
by a passing truck, for instance.
Discounting
false positive sources based on observational or instrumental artifacts or produced
by statistically possible coincidences of noise - features in low - amplitude
detections, such sources are all related to eclipsing systems.
Detections by the transit method are contaminated to a large extent
by «
false positives», produced
by sources other than transiting planets.
Because of these
false positives, a sequence of tests - as originally outlined
by Alonso et al. (2004)- is employed, beginning with detailed revisions of the
detection light - curves, and continuing for surviving candidates with follow - up observations, to either reject them from the list of planetary candidates or to verify their planetary nature.
The planet
detections are accompanied
by over one thousand astrophysical
false positives.
Giant transiting exoplanets are easily mimicked
by false positives, so spectroscopic follow - up observations are needed to establish the planetary nature of the transit
detections, and easily reveal blended multiple stellar systems.
A feature
detection approach that directly targets identified peptides (minimizing missing values), but also offers robustness against
false - positive features (
by assigning meaningful confidence scores), would thus be highly desirable.
Fire
detection integrated with CCTV can allow security officers to distinguish between genuine threats from fire and student pranks (
false alarms)
by providing instant visual verification.
This should stop
false detection by ransomware protection products (e.g. Bitdefender) which think that Final Days is trying to mess with the users documents.
Extremely hypersensitive pattern
detection was vital, because there was little cost for frequent
false alarms but a great risk of becoming a snack
by missing detecting a real leopard.
If you find yourself getting too many
false alerts after adjusting the motion
detection sensitivity, you can reduce them
by using the Zones feature.