Do you know the importance of face recognition? The human face plays a vital role in our social interaction, conveying people’s identity. Using the face as a key to security, the face recognition technology has received important attention in the past many years. because of its potential for a wide kind of applications in both law enforcement and non-law enforcement.

As compared with different biometrics systems using fingerprint/palmprint and iris, face recognition has distinct benefits due to its non-contact method, as for Face images are captured from a distance without touching the person being known, and the identification doesn’t need interacting with the person. Also, face recognition helps in the crime deterrent purpose because face images that are archived and recorded will later facilitate to determine an individual.

Facial Recognition Systems

Facial recognition systems supported faceprints will quickly and accurately determine target people when the conditions are favorable. But, if the subject’s face is partially obscured or in profile instead of facing forward, or if the light is insufficient, the software is less reliable. However, the technology is evolving quickly and there are many emerging approaches, like 3D modeling, which will overcome current issues with the systems.what is face recognition11

Facebook uses biometric identification software to assist automates user tagging in images. Here’s how biometric identification works in Facebook: whenever an individual is labeled in a photograph, the software application stores data about that person’s facial characteristics. When enough information has been collected about a person to spot them, the system uses that data to spot the same face in several images, and will subsequently recommend tagging those photos with that person’s name.

Every face has various, distinguishable landmarks, the different peaks and valleys that constitute facial expression. Each human face has about 80 nodal points. Some of these measured by the face recognition Technology are:
  • The length of the jaw line
  • Distance between the eyes
  • Depth of the eye sockets
  • The shape of the cheekbones
  • Width of the nose

These nodal points are measured by making a numerical code, known as faceprint, which represents the face in the database.

Now let see the different stages in which the facial recognition system works:
  • Capture – a physical or behavioral sample is captured by the system during enrollment
  • Matching – the system then decides if the features extracted from the new sample are matching or not
  • Extraction – distinctive information is extracted from the sample and a model is formed
  • Comparison – the model is then compared with a new sample

Currently gaining support as a useful tool for averting terrorist crimes, face recognition is already in use in several law enforcement areas. Also Software has been developed for automated bank tellers and computer networks that use face recognition for user verification purposes.

Now let us have a look at the areas of application of face recognition system:
  • Stadiumswhat is face recognition12
  • Cashpoints
  • Corporations
  • Airports
  • Railway stations
  • Public transportation
  • Government offices
  • Financial institutions
  • Businesses of all type

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