The worst has happened. You receive an emailed kidnap demand with a picture of your loved one in dire straits.
You contact the authorities, and in a flash (relatively speaking), they have identified the kidnapper and possibly some accomplices, and are well on their way toward recovering the victim. How did this happen? By identifying the faces of the kidnappers caught in the reflection of your loved one’s eyes.
The scenario above isn’t yet standard practice, but the basic technology for accomplishing the task now exists. Familiar faces can be recognized from a very small number of pixels, as small as 7 x 10 pixels in one study. A very familiar example appears below. The image on the left has 16 x 20 pixel resolution, while on the right the same image is blurred to make recognition easier.
It is now commonplace for digital cameras to have 10-50 megapixel CMOS sensors. There is even a smartphone, the Nokia Lumia 1020, that has a 41-MP sensor. (Although this camera automatically generates an oversampled 5-MP image from the raw data, the raw data is still available for use.)
A 50 mm equivalent lens covers a horizontal angle of about 40 degrees. With a 40-MP sensor (and good optics), each pixel is about one-third of a minute of arc in size, enabling resolution about five times more acute than that of the human eye. In addition, a good picture captures everything within the bit depth of the pixels, whereas our eyes have a very small area of high resolution on the retina, and our brains fill in the details, often incorrectly. A camera captures a lot of information which we cannot “see at a glance,” or even by careful examination.
A study just carried out by Dr. Rob Jenkins of the University of York and Christie Kerr of the University of Glasgow, both in the UK, has found that the picture of a high-end camera is capable of seeing images reflected from the corneas of a subject being photographed. The images, which can be of high enough quality to identify people by their faces, cover most of the area in front of the subject, owing to the curvature of the cornea. In essence, a fisheye view of the entire region in front of the subject can be found in the image of the subject’s eyes.
While there are applications which would benefit society, there are also many potential uses with obvious “Big Brother” privacy issues.
The Latest on: Facial recognition
via Google News
The Latest on: Facial recognition
- Instagram filters disabled in Texas during facial-recognition lawsuiton May 13, 2022 at 5:48 pm
Instagram disabled its filters for users in Texas, thanks to a lawsuit filed by Attorney General Ken Paxton that alleged their facial-recognition technology residents’ privacy rights.
- Wyze Rolls Out Facial Recognition, Professional Monitoring with New Serviceon May 13, 2022 at 1:49 pm
Wyze made its $4 monthly Cam Plus Pro subscription service widely available this week. The service introduces facial recognition and 24/7 professional monitoring to existing Wyze cameras, including ...
- Facial Recognition May Not Be Banned After Allon May 13, 2022 at 12:40 pm
Following efforts to ban the use of facial recognition technology by authorities, it seems that some cities are having second thoughts amidst an increase in their crime rate. Some U.S. states and ...
- Facial Recognition Market And Its Amazing Applications Across Industries Trend | NEC Corporation, Cognitec Systems, Aware Incon May 13, 2022 at 3:56 am
USD 13.87 Billion at a steady CAGR of 15.7% in 2028, according to latest analysis by Emergen Research. This steady market revenue growth can be attributed to rising need for physical security, ...
- Editorial, 5/13: Facial recognition software use raises concernson May 12, 2022 at 9:45 pm
Lincoln police have used facial recognition software from the state Department of Motor Vehicles to help identify 23 possible suspects in crimes as varied as shoplifting, burglary and ...
- Clearview AI Banned From Selling Controversial Facial Recognition Tech With A Caveaton May 12, 2022 at 1:14 pm
Meta announced that it was shutting down Facebook’s Face Recognition system and deleting over 1 billion people’s facial recognition templates. Only a month later, Clearview AI won a patent on its ...
- More cities using facial recognition in response to rising crimeon May 12, 2022 at 1:02 pm
Yahoo Finance's Dan Howley explains the concerns over the use of facial recognition technology to crack down on crime, how it can be misused, and Instagram's removal of several face filters.
- Clearview AI's facial recognition settlement is a frightening window into our futureon May 12, 2022 at 8:59 am
The tech company is one of the largest collectors of facial recognition images in the world. Will its product be used to restrict our civil rights?
- U.S. cities are backing off banning facial recognition as crime riseson May 12, 2022 at 8:09 am
Facial recognition is making a comeback in the United States as bans to thwart the technology and curb racial bias in policing come under threat amid a surge in crime and increased lobbying from ...
- ICE Has Assembled a 'Surveillance Dragnet' with Facial Recognition and Data, Report Sayson May 12, 2022 at 7:53 am
Immigration and Customs Enforcement has used facial recognition to search through the driver's license photos of one in three adults in the U.S., according to a new report by Georgetown Law's Center ...
via Bing News