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Questions tagged [biometrics]

Biometrics is a set of methods related to unique identification of people based on physiological or behavioural traits

Biometric recognition is the process of recognizing a person's identity by analyzing some data derived from their body (physical traits, like fingerprint, iris or face) or behaviour (like gait or, to some extent, voice).

The Wikipedia page on Biometrics has more complete information.

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How to save and compare 2 fingerprints on Android

I would like to integrate fingerprint in the authentication process for my project and then save and compare this fingerprint. I have tried integrate several pieces of code, but so far none have worked. How can I save and compare fingerprints in an…
Pharel's foussom
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Detecting liveness with AWS Rekognition

I am looking to use AWS Reckognition in one of my projects and trying to find out whether or not its possible to differentiate between a still image (photograph) vs a real person, in other words liveness detection. I don't want my system to be…
prosonic
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BiometricPrompt (beta-01) - Exception from call site #3 bootstrap method

I'm trying to use BiometricPrompt for fingerprint authentication in my Android App. There are no errors in my code, but when I run it: java.lang.BootstrapMethodError: Exception from call site #3 bootstrap method This is my Activity: package…
Arfmann
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How to set fingerprint lock screen from adb?

I am trying to enroll fingerprint to android emulator with adb command line. I know I can set PIN with this command: adb shell locksettings set-pin 1111 I can enter security settings with this: adb shell am start -a…
Pavol
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Face-ID enabled without info.plist key?

So I have an application currently on the store that supports Touch-ID login, A user with an iPhone X iOS: 12.1.4 sent me a video that he can login using his face ID and as i recall i never implemented the face ID feature yet so i've downloaded…
Mohmmad S
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BiometricPromptCompat is missing

Android P introduced changes to the Biometrics API. Now we should use BiometricPrompt class to integrate biometric authentication in our apps (FingerprintManager is deprecated). The issue is that this class is only available on API 28. Biometrics…
Juan Cruz Soler
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Some iPad devices return biometrics not available with this code, why?

I'm having some issues understanding the return values I'm getting even with a fresh project with only the below code. - (void)viewDidLoad { [super viewDidLoad]; LAContext* touchContext = [LAContext new]; NSError* …
Mythics Winter
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C#: How to get fingerprint reader to scan in the background (when app is out of focus/minimized)

I made an application in Visual Studio using the Digital Persona SDK (UareU4500) that simply scans a finger and saves the image to the folder. I want to add a feature that allows the ability to scan and capture the image even if the application is…
JJ.Doe
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Samsung Biometrics

I've been looking around for some docs about using Samsung Facial Recognition, Iris, and Fingerprint scanner but all the information is just about Fingerprint. Can anyone point me to where I can find info about this ?
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.NET Fingerprint SDK

I am looking for a comparison of Fingerprint reader SDKs available for .NET (we are using .Net 3.5). My requirements are 1. Associate more than one fingerprint with a person. 2. Store the fingerprints it self. (So I do not have to change the…
Kishore A
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Save data from biometric finger device into database - attendance system

I want to develop attendance system for office where employees give the attendance using finger print, I need to buy bio metric device, and i want to save the attendance data only in my cloud database. No other person should be able to access that…
Pradeep Charan
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Using dlls of sdk inside my app without copy and register

I want to include all the needed dll´s inside my C# project, So you do not need to copy them to system32 and register them. I tried with costura.fody and other ways, but I cant get it work... I created a "libs" folder inside my project and I copy…
MartaGom
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Connecting fingerprint biometric device to desktop

I want to access the contents of the biometric device using a command prompt or a shared folder instead of using the software that comes with it. I am new in networking, I did the following: 1. Set a static IP to my biometric device:…
Joey
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Crop off Parts of the Image that does not include the Face

I have detected the Face in an Image(Only 1 Person) and have the coordinates of the Face Rectangle. Since the image can be of any size,I need only the part of the image that is important(head.shoulders).What intent to do is extend the bounds of the…
techno
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How to compute & plot Equal Error Rate (EER) from FAR/FRR values using matlab

I have the following values against FAR/FRR. i want to compute EER rates and then plot in matlab. FAR FRR 19.64 20 21.29 18.61 24.92 17.08 19.14 20.28 17.99 21.39 16.83 …
Jawad Chughtai
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