Questions tagged [facial-recognition]

A facial recognition system is a computer application capable of identifying or verifying a person from a digital image or a video frame from a video source.

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Morphing animal faces real-time to morph with human face

I want to morph two images- a human face and a pet face. I know there is enough support for human face detection and landmark in real-time. What about pets (dog and cat only)? Is it possible to detect ...
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Can I use the VAE for dimensionality reduction?

I'm doing a project that uses a clustering algorithm for the facial expression classification task. So, I use the output of the encoder in the VAE autoencoder for dimensionality reduction. However, I ...
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Minimum video quality for facial recognition

I am currently working on a small project where I am trying to automate some stuff at home. I am building a model capable of identifying my face with OpenCV. This will be a live feed. I am making the ...
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Under what circumstances is a fully connected layer similar to PCA?

I am reading this paper on image retrieval where the goal is to train a network that produces highly discriminative descriptors (aka embeddings) for input images. If you are familiar with facial ...
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Why is my siamese network learning very well in e.g. 1 out of every 5 runs?

Why is my siamese network learning very well in e.g. 1 out of every 5 runs? The rest of the time it's not learning and maintains an accuracy of 0.5. Any explanations? Is the contrastive loss taken in ...
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Why are the landmark retrieval and facial recognition literature so divergent?

Context and detail I've been working on a particular image retrieval problem and I've found two popular threads in the literature: Image retrieval (usually benchmarked with landmark retrieval datasets)...
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Is it possible to do face recognition with just the eyes?

Assuming the input photo is focused on a person's face, if the person is wearing a surgical mask, most face recognition software fail to identify the subject's face. Most facial landmark models are ...
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27 views

How do gradients are flown back into the Siamese network when branching is done?

I am curious about the working of a Siamese network. So, let us suppose I am using a triplet loss for my network and I have instantiated single CNN 3 times and there are 3 inputs to the network. So, ...
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What is the formal terminology for emotion recognition AI?

I'm researching the use of emotion recognition in Intelligent Tutoring Systems and trying to more effectively find and formally reference materials. My question is whether this is the most formal ...
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429 views

How to identify if 2 faces contain the same person?

I have got numerous frames and I've detected all the faces in all the frames using Retinaface. However I need to track the faces of people over frames. For this purpose, I assumed I could try finding ...
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28 views

Keeping track of multiple faces throughout a video

I have a video where multiple persons are seated. I need to keep track of the emotions they show throughout the video. My final result should be a csv file with all the emotions depicted by each ...
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How to match faces with images in ID proofs

I'm working on a problem to identify whether a person's image matches with the one in his ID proof. The inputs are the real-time face image and scanned ID proof. Options that I'm thinking of Prepare ...
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How to determine when the image is steady enough in a video sequence to take photos?

How do I calculate the points in a video sequence where the images are steady enough for a photo. For example, I want to take maybe 20 photos for a facial recognition dataset. Instead of asking the ...
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Does anyone know of a model for comparing the eyes of people in two images to see if they match?

There’s a lot of talk of undercover cops intentionally starting violence in otherwise peaceful protests. The evidence, primarily, are images like this. https://images.app.goo.gl/4n3o2EXwFzMQfsKq6 ...
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Is there any published research on the information-carrying capacity of the human face?

Is there any published research on the information-carrying capacity of the human face? Here I mean "how much information can be conveyed via facial expressions & micro-expressions". This is a ...
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What is 3D face recognition? and how we can check liveness of a face image?

Actually what is mean by 3D face recognition? In normal cases we are extracting face encoding s from a 2D image,right? Is 3D face recognition is used for liveness detection? how its possible?
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Face recognition model loss not decreasing

I wrote a script to do train a Siamese Network style model for face recognition on LFW dataset but the training loss doesnt decrease at all. Probably there's a bug in my implementation. Could you ...
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State of the art in voice recognition

In the media there's lot of talk about face recognition, mainly with respect to identifying faces (= assigning to persons). Less attention is paid to the recognition of facially expressed emotions but ...
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Finding unique faces in a video

I am trying to find unique (distinct) faces in multiple videos files. What is the best way to do that?
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104 views

Lego minifigure facial recognition: where to start?

I'm interested in starting a project that will identify the face of a Lego mini figure from a digital photo. My goal is to eventually map the expression of a person's face to the Lego mini figure. I ...
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1answer
199 views

Which AI methods are most appropriate for login face recognition?

I want to make a face authentication application. I need to approve the face during the login based on whether the registered face and the login face match. Which are the possible appropriate AI ...
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How to extract face details from a image

I am trying to make a face login application that authenticates the user when matching the registered face and the given face. currently, the issue is I cant extract the face descriptions from the ...
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1k views

How Euclidean distance algorithm calculate two different face images are match or not match in face recognition? [closed]

I am trying to make a face login application. face comparison algorithm is using Euclidean distance to calculate two different face images that are the same or not the same. can anyone help me with ...
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106 views

How is the percentage or the probablity calculated using Loss function in Facenet Model?

This question is related to What is the formula used to calculate the accuracy in the FaceNet model? . I know how loss is calculated in the FaceNet model , but how the loss function is used to ...
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630 views

Detailed explaination of Facenet Model for face recogniton?

Can some one explain how Facenet model works in detail and simple words .
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What is the formula used to calculate the loss in the FaceNet model?

The FaceNet model returns the loss of the predictions and ground-truth classes. How is this loss calculated?
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What is the current state of the art in animal facial recognition?

As far as I can tell, most work on facial recognition has been done in relation to human faces. Has any significant work been done for dogs, and are there any special challenges that would make it ...
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267 views

Threshold selection for Siamese network hyper-parameter tuning

I'm interested in modeling a Siamese network for facial verification. I've already written a simple working model that inputs feature vectors generated from two CNNs with shared weights then outputs a ...
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How to implement fisherface algorithm and how much time will it take?

I found on the web that fisherface is the best algorithm for face detection. Before investing deeply into it, I just want to know how hard is it to implement it and how much time will it take. I am ...
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Extending FaceNet’s triplet loss to object recognition

FaceNet uses a novel loss metric (triplet loss) to train a model to output embeddings (128-D from the paper), such that any two faces of the same identity will have a small Euclidean distance, and ...
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Few doubts regarding facial recognition

What are some famous algorithms that i can apply to develop a face recognition software to achieve more than 95% accuracy .What are some good sources related to this. I have basic knowledge related ...
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Are there some formulae in facial recognition that are indicators of close kinship?

I noticed what I considered a close resemblance of a woman B to another woman A which led to a close relative A labelled C, who B bore an even stronger resemblance to than she did to A. However I ...
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312 views

How does ARKit's Facial Tracking work?

iPhone X allows you to look at the TrueDepth camera and reports 52 facial blendshapes like how much your eye is opened, how much your jaw is opened, etc. If I want to do something similar with other ...
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388 views

How long it takes to train face recognition deep neural network? (rough estimation)

If I use a desktop PC with a GPU, how long it might take to train face recognition deep neural network on let's say dataset of 2.6 million images and 2600 identities? I guess it should depend on ...
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87 views

How to identify whether images contain driver's licenses or ID cards

Suppose I have a lot of scans of hardcopy documents, in the form of jpegs. Some of them are potentially scans of driver's licenses or identification cards. I wonder what would be a good way to ...
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Facial Recognition + Database + Compare & Identify - is it complicated? [closed]

The last week I've been looking for freelancers who are able to do this project for me but they weren't that experienced in it, so I would like to know whether my idea is complicated or is it their ...
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Machine learning approach to facial recognition

First of all I'm very new to the field. Maybe my question is a bit too naive or even trivial... I'm currently trying to understand how can I go about recognizing different faces. Here is what I ...
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458 views

How can we use data augmentation for creating data set for face recognition and will the inverted faces on augmented images detected?

I saw when browsing we can use data augmentation for creating a dataset for face recognition. The augmented images may include inverted, tilted or distorted faces. Do the model detect the face from ...
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52 views

Can I recognize the faces of people around the world?

I created a system where every moment takes photos of the face of who is in the vision of the camera. Initially I took 500 photos of me, to recognize its creator. This takes approximately 20 seconds. ...
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119 views

Which library / algorithm should I use to recognise a specific facial expression (C#)

I have a friend who, after having a stroke, now has locked-in syndrome who and can now only move his eyes and eyelids. I've been working on some C# software (written in Unity3D) to help him to ...
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Will commercialisation and widespread use of A.I in security and surveillance and other household products threaten free will or endanger privacy?

Everything from facial recognition to the google home is coming equiped with A.I and it is being widely used , If autonomously connected to the internet , will A.I pose a threat to privacy or will it ...
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Facial recognition and classifying unknowns with neural networks

As far as I understand, neural networks aren't good at classifying 'unknowns', i.e. objects that do not belong to a learned class. But how do face detection/recognition approaches usually determine ...
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How to calculate Adaptive gradient?

In the FaceNet paper there mentions an gradient algorithm called 'AdaGrad'(Adaptive Gradient) referenced to this paper which has apparently been used to calculate the gradient of the Triplet Loss ...
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466 views

Viola Jones Algorithm

Can Viola Jones algorithm be used to detect the facial emotion. Actually it was used in creating harr-cascade file for object and facial detection, but what confused me is whether it can be used to ...
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Searching an AI to recognize and locate persons in a factory

TLDR : Is there an AI available that can recognize employees in a factory and tell when they entered and left pre-defined areas? I work in a factory where we gather cycle time data from various ...
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How to identify the face of a certain customer in a grocery store?

How would you solve the problem of identifying certain customer in a grocery store? Suppose our client is already signed-up on our website with an unique ID given to him. To come in to the store, ...
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157 views

Is algorithmic bias due to the training dataset used?

I recently read about algorithmic bias in facial recognition. Is algorithmic bias due to the training dataset used, or is it due to something else?
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Is it possible to fool a facial recognition algorithm?

Assuming we're dealing with an artificial neural network (e.g. a ConvNet), which was trained by a large dataset of human faces. Are there any known issues or challenges where facial recognition would ...