activity
20202023
most citedCR-FIQA: Face Image Quality Assessment by Learning Sample Relative Classifiability

20 citations · 45 across the 24 of their papers we have counts for

collaborators

25 papers

cs.CV2023

SynFacePAD 2023: Competition on Face Presentation Attack Detection Based on Privacy-aware Synthetic Training Data

Meiling Fang, Marco Huber, Julian Fierrez +21

This paper presents a summary of the Competition on Face Presentation Attack Detection Based on Privacy-aware Synthetic Training Data (SynFacePAD 2023) held at the 2023 Internation…

cs.CV2023

Iris Liveness Detection Competition (LivDet-Iris) -- The 2023 Edition

Patrick Tinsley, Sandip Purnapatra, Mahsa Mitcheff +18

This paper describes the results of the 2023 edition of the ''LivDet'' series of iris presentation attack detection (PAD) competitions. New elements in this fifth competition inclu…

cs.CV2023★ 1 cited

Liveness Detection Competition -- Noncontact-based Fingerprint Algorithms and Systems (LivDet-2023 Noncontact Fingerprint)

Sandip Purnapatra, Humaira Rezaie, Bhavin Jawade +19

Liveness Detection (LivDet) is an international competition series open to academia and industry with the objec-tive to assess and report state-of-the-art in Presentation Attack De…

cs.CV2023★ 1 cited

Face Presentation Attack Detection by Excavating Causal Clues and Adapting Embedding Statistics

Meiling Fang, Naser Damer

Recent face presentation attack detection (PAD) leverages domain adaptation (DA) and domain generalization (DG) techniques to address performance degradation on unknown domains. Ho…

cs.CV2023

ExFaceGAN: Exploring Identity Directions in GAN's Learned Latent Space for Synthetic Identity Generation

Fadi Boutros, Marcel Klemt, Meiling Fang +2

Deep generative models have recently presented impressive results in generating realistic face images of random synthetic identities. To generate multiple samples of a certain synt…

cs.CV2023

SynthASpoof: Developing Face Presentation Attack Detection Based on Privacy-friendly Synthetic Data

Meiling Fang, Marco Huber, Naser Damer

Recently, significant progress has been made in face presentation attack detection (PAD), which aims to secure face recognition systems against presentation attacks, owing to the a…

cs.CV2023

Are Explainability Tools Gender Biased? A Case Study on Face Presentation Attack Detection

Marco Huber, Meiling Fang, Fadi Boutros +1

Face recognition (FR) systems continue to spread in our daily lives with an increasing demand for higher explainability and interpretability of FR systems that are mainly based on…

cs.CV2023

MorDIFF: Recognition Vulnerability and Attack Detectability of Face Morphing Attacks Created by Diffusion Autoencoders

Naser Damer, Meiling Fang, Patrick Siebke +3

Investigating new methods of creating face morphing attacks is essential to foresee novel attacks and help mitigate them. Creating morphing attacks is commonly either performed on…

cs.CV2022

Unsupervised Face Recognition using Unlabeled Synthetic Data

Fadi Boutros, Marcel Klemt, Meiling Fang +2

Over the past years, the main research innovations in face recognition focused on training deep neural networks on large-scale identity-labeled datasets using variations of multi-c…

cs.CV2022★ 1 cited

Fairness in Face Presentation Attack Detection

Meiling Fang, Wufei Yang, Arjan Kuijper +2

Face recognition (FR) algorithms have been proven to exhibit discriminatory behaviors against certain demographic and non-demographic groups, raising ethical and legal concerns reg…

cs.CV2022

Unsupervised Face Morphing Attack Detection via Self-paced Anomaly Detection

Meiling Fang, Fadi Boutros, Naser Damer

The supervised-learning-based morphing attack detection (MAD) solutions achieve outstanding success in dealing with attacks from known morphing techniques and known data sources. H…

cs.CV2022

Intra and Cross-spectrum Iris Presentation Attack Detection in the NIR and Visible Domains

Meiling Fang, Fadi Boutros, Naser Damer

Iris Presentation Attack Detection (PAD) is essential to secure iris recognition systems. Recent iris PAD solutions achieved good performance by leveraging deep learning techniques…

cs.CV2022★ 1 cited

Privacy-friendly Synthetic Data for the Development of Face Morphing Attack Detectors

Naser Damer, César Augusto Fontanillo López, Meiling Fang +3

The main question this work aims at answering is: "can morphing attack detection (MAD) solutions be successfully developed based on synthetic data?". Towards that, this work introd…

cs.CV2021★ 20 cited

CR-FIQA: Face Image Quality Assessment by Learning Sample Relative Classifiability

Fadi Boutros, Meiling Fang, Marcel Klemt +2

The quality of face images significantly influences the performance of underlying face recognition algorithms. Face image quality assessment (FIQA) estimates the utility of the cap…

cs.CV2021

Partial Attack Supervision and Regional Weighted Inference for Masked Face Presentation Attack Detection

Meiling Fang, Fadi Boutros, Arjan Kuijper +1

Wearing a mask has proven to be one of the most effective ways to prevent the transmission of SARS-CoV-2 coronavirus. However, wearing a mask poses challenges for different face re…

cs.CV2021★ 4 cited

Learnable Multi-level Frequency Decomposition and Hierarchical Attention Mechanism for Generalized Face Presentation Attack Detection

Meiling Fang, Naser Damer, Florian Kirchbuchner +1

With the increased deployment of face recognition systems in our daily lives, face presentation attack detection (PAD) is attracting much attention and playing a key role in securi…

cs.CV2021

PW-MAD: Pixel-wise Supervision for Generalized Face Morphing Attack Detection

Naser Damer, Noemie Spiller, Meiling Fang +3

A face morphing attack image can be verified to multiple identities, making this attack a major vulnerability to processes based on identity verification, such as border checks. Va…

cs.CV2021

ReGenMorph: Visibly Realistic GAN Generated Face Morphing Attacks by Attack Re-generation

Naser Damer, Kiran Raja, Marius Süßmilch +6

Face morphing attacks aim at creating face images that are verifiable to be the face of multiple identities, which can lead to building faulty identity links in operations like bor…

cs.CV2021

MixFaceNets: Extremely Efficient Face Recognition Networks

Fadi Boutros, Naser Damer, Meiling Fang +2

In this paper, we present a set of extremely efficient and high throughput models for accurate face verification, MixFaceNets which are inspired by Mixed Depthwise Convolutional Ke…

cs.CV2021★ 2 cited

Iris Presentation Attack Detection by Attention-based and Deep Pixel-wise Binary Supervision Network

Meiling Fang, Naser Damer, Fadi Boutros +2

Iris presentation attack detection (PAD) plays a vital role in iris recognition systems. Most existing CNN-based iris PAD solutions 1) perform only binary label supervision during…

cs.CV2021★ 7 cited

Masked Face Recognition: Human vs. Machine

Naser Damer, Fadi Boutros, Marius Süßmilch +3

The recent COVID-19 pandemic has increased the focus on hygienic and contactless identity verification methods. However, the pandemic led to the wide use of face masks, essential t…

cs.CV2021

Real Masks and Spoof Faces: On the Masked Face Presentation Attack Detection

Meiling Fang, Naser Damer, Florian Kirchbuchner +1

Face masks have become one of the main methods for reducing the transmission of COVID-19. This makes face recognition (FR) a challenging task because masks hide several discriminat…

cs.CV2020★ 1 cited

Micro Stripes Analyses for Iris Presentation Attack Detection

Meiling Fang, Naser Damer, Florian Kirchbuchner +1

Iris recognition systems are vulnerable to the presentation attacks, such as textured contact lenses or printed images. In this paper, we propose a lightweight framework to detect…

cs.CV2020

Iris Liveness Detection Competition (LivDet-Iris) -- The 2020 Edition

Priyanka Das, Joseph McGrath, Zhaoyuan Fang +20

Launched in 2013, LivDet-Iris is an international competition series open to academia and industry with the aim to assess and report advances in iris Presentation Attack Detection…