A better application for facial recognition is the ability to exclude individuals from a search to reduce the pool of potential hits, making it a good candidate for multi-modal solutions.
When searching large populations, reducing the pool of potential suspects by eliminating certain individuals first, then running biometric matching on the remaining individuals greatly speeds up the process, when timing is critical. This is ideal for live monitoring of large crowds against a watchlist.
Once enrolled, iris recognition is one of the fastest biometric matching modalities on the market, with the ability to handle very large populations with speed.
It is also one of the most accurate with one of the lowest rates of false acceptance and false rejection rates. The false rejection rate is a fraction of fingerprints and the false acceptance rate is half what fingerprints are.
Iris recognition is nearly impossible to forge or spoof with current technology. This modality is widely deployed around the world with no reports of breaches by places using iris recognition for security purposes. Due to the accuracy of iris recognition, the threshold can be set very low, protecting against potential fraud.
Because the cameras use infrared light, iris scanners can be used in nearly any setting, including in the dark. At current market rates, iris scanners are more expensive than other biometric devices, making iris recognition cost-prohibitive for many. But as technology advances and new manufacturers come on the market, prices could come down.
Although iris recognition is one of the most accurate forms of biometric identification, there are issues that will impact the quality of the scan, including movement on the part of the individual, reflection, particularly with glasses and contact lenses, and distance to the individual.
All of these can be overcome, but they are a factor when making your biometric modality choices. The process of Iris Recognition involves the use of a specialised digital camera. With Iris Recognition, the camera focusses in on your eye and locates the centre of the pupil, edge of the pupil, edge of the iris and your eyelids and eyelashes. This information is then fed through Iris Recognition software where the unique pattern of the iris is analysed and translated to and iris template.
Iris Recognition is compatible with contact lenses and even eyeglasses and can be used by blind people, as long as they have an iris. This makes it an extremely versatile technology when it comes to securely identification. The characteristics of an iris are unique for each individual and even between eyes — your right and left eye both have unique iris patterns.
Being a highly accurate way of identifying people, there are many advantages of the technology:. Whilst the benefits of Iris Recognition are numerous, there are potential issues to be considered, some of which relate to the technology or to the way the technology is deployed. Things to consider include:.
There are many companies out there who provide Iris Recognition as a biometric authentication solution. NEC has patented the entire process from the detection of the iris from photographed images, extraction of the feature values, matching of features, to noise removal unnecessary parts like eyelashes and eyelids.
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Iris-based identification requires specific hardware to be used, unlike software based modalities such as face and voice recognition, so it is less common in consumer facing deployments. But thanks to recent innovations in biometrics that have made the technology more accessible in terms of cost and installation, iris biometrics is becoming more prominent across the vertical markets and also in the consumer electronics sphere. Iris recognition is commonly used as a physical access control modality, ideal for high throughput environments that demand speed and accuracy.
It is also used frequently in border control deployments, able to identify travelers as they enter and exit countries by land, sea and air. Recently, iris scanners have made their way onto consumer mobile devices, a development that has some heralding the rise of iris recognition in FinTech, IoT and other hot verticals.
Winthrop University has long been an example of iris biometrics in action, with its EagleEye attendance tracking system. Iris scanning plays a key role in the biometric border control pilot project underway at the Otay Mesa US-Mexico land border.
IDEMIA is the global leader in Augmented Identity for an increasingly digital world, with the ambition to empower citizens and consumers alike to interact, pay, connect, travel and vote in ways that are now possible in a connected environment. Securing our identity has become mission critical in the world we live in today.
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