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Facial recognition and fingerprint recognition are two different biometric identification methods. This article will compare them from the perspective of definition, process, and performance.

Define face recognition &Fingerprint Recognition

Whether it is facial recognition or fingerprint recognition, the main purpose is to prove who you are, or whether you are you.

Face recognition:

As the name suggests, facial recognition recognizes facial information. Facial recognition is to obtain your facial information through a camera, which may be a video stream or a video, and then use facial recognition algorithms to process the unprocessed source files.

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Fingerprint recognition recognizes your fingerprint information. Fingerprint recognition can be done through capacitive sensors or data information, or through optical imaging technology, taking photos or your fingerprint pictures, and then using fingerprint algorithms to process your fingerprint images to generate feature templates that belong only to you.

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The process of facial recognition is divided into three parts: face registration, feature template generation, and person recognition;
You can refer to the following working process

The camera obtains your facial information, and analyzes it according to the feature algorithm to form your feature image. This is your unique identification factor. The system will identify and filter your feature information in the database

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Fingerprint recognition is divided into three processes: fingerprint registration, feature template image, and fingerprint comparison. Fingerprint registration is also called fingerprint registration. The fingerprint image is obtained through the fingerprint device, and the feature information is extracted using the feature value algorithm to form a fingerprint feature template. Use the feature template to find your information in the database

Accuraccy

Before understanding accuracy, you need to understand several key terms;
False Acceptance Rate (FAR): False Acceptance Rate. Explanation: The probability that the system mistakenly matches your information with someone else’s information;
False Rejection Rate (FRR): The probability that the system mistakenly rejects legitimate user information
Equal Error Rate (EER): Equal Error Rate. FAR is equal to FRR, which is generally used as an indicator for overall correctness considerations.

Features Table

Common use cases

Whether it is fingerprint recognition or facial recognition, both need to focus on the use scenario. Here are some of your sharing;
Fingerprints are generally used for identity authentication and personal information recognition, while facial recognition is usually used for monitoring and payment;

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Access control system: office buildings, secure areas, government equipment
Financial system: ATM, KYC
Criminal identification: law enforcement fingerprint database

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Monitoring system: airports, public places;
Access control identity verification: border, government access control
Retail stores: face payment

Future

Fingerprint and facial recognition each have their own unique features. In the future, more use scenarios will coexist with the two systems to give full play to their stronger advantages.

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