Search Results for author: Anjith George

Found 39 papers, 14 papers with code

Exploring ChatGPT for Face Presentation Attack Detection in Zero and Few-Shot in-Context Learning

no code implementations15 Jan 2025 Alain Komaty, Hatef Otroshi Shahreza, Anjith George, Sebastien Marcel

This study highlights the potential of ChatGPT (specifically GPT-4o) as a competitive alternative for Face Presentation Attack Detection (PAD), outperforming several PAD models, including commercial solutions, in specific scenarios.

Face Presentation Attack Detection In-Context Learning

Face Reconstruction from Face Embeddings using Adapter to a Face Foundation Model

no code implementations6 Nov 2024 Hatef Otroshi Shahreza, Anjith George, Sébastien Marcel

The generated images are evaluated on different face recognition models and different datasets, demonstrating the effectiveness of our method to translate embeddings of different face recognition models.

Face Recognition Face Reconstruction +1

Digi2Real: Bridging the Realism Gap in Synthetic Data Face Recognition via Foundation Models

no code implementations4 Nov 2024 Anjith George, Sebastien Marcel

Yet, such models still rely on real data to train the generative models and generally exhibit inferior performance compared to those trained on real datasets.

Face Recognition

Modality Agnostic Heterogeneous Face Recognition with Switch Style Modulators

no code implementations11 Jul 2024 Anjith George, Sebastien Marcel

Heterogeneous Face Recognition (HFR) systems aim to enhance the capability of face recognition in challenging cross-modal authentication scenarios.

Face Recognition Heterogeneous Face Recognition

From Modalities to Styles: Rethinking the Domain Gap in Heterogeneous Face Recognition

no code implementations22 Apr 2024 Anjith George, Sebastien Marcel

In our work, we view different modalities as distinct styles and propose a method to modulate feature maps of the target modality to address the domain gap.

Face Recognition Heterogeneous Face Recognition

Heterogeneous Face Recognition Using Domain Invariant Units

no code implementations22 Apr 2024 Anjith George, Sebastien Marcel

Heterogeneous Face Recognition (HFR) aims to expand the applicability of Face Recognition (FR) systems to challenging scenarios, enabling the matching of face images across different domains, such as matching thermal images to visible spectra.

Face Recognition Heterogeneous Face Recognition

SynthDistill: Face Recognition with Knowledge Distillation from Synthetic Data

2 code implementations28 Aug 2023 Hatef Otroshi Shahreza, Anjith George, Sébastien Marcel

While generating synthetic datasets for training face recognition models is an alternative option, it is challenging to generate synthetic data with sufficient intra-class variations.

 Ranked #1 on Synthetic Face Recognition on AgeDB-30 (Accuracy metric)

Knowledge Distillation Lightweight Face Recognition +1

EFaR 2023: Efficient Face Recognition Competition

1 code implementation8 Aug 2023 Jan Niklas Kolf, Fadi Boutros, Jurek Elliesen, Markus Theuerkauf, Naser Damer, Mohamad Alansari, Oussama Abdul Hay, Sara Alansari, Sajid Javed, Naoufel Werghi, Klemen Grm, Vitomir Štruc, Fernando Alonso-Fernandez, Kevin Hernandez Diaz, Josef Bigun, Anjith George, Christophe Ecabert, Hatef Otroshi Shahreza, Ketan Kotwal, Sébastien Marcel, Iurii Medvedev, Bo Jin, Diogo Nunes, Ahmad Hassanpour, Pankaj Khatiwada, Aafan Ahmad Toor, Bian Yang

To drive further development of efficient face recognition models, the submitted solutions are ranked based on a weighted score of the achieved verification accuracies on a diverse set of benchmarks, as well as the deployability given by the number of floating-point operations and model size.

Lightweight Face Recognition Quantization

Bridging the Gap: Heterogeneous Face Recognition with Conditional Adaptive Instance Modulation

2 code implementations13 Jul 2023 Anjith George, Sebastien Marcel

Heterogeneous Face Recognition (HFR) aims to match face images across different domains, such as thermal and visible spectra, expanding the applicability of Face Recognition (FR) systems to challenging scenarios.

Face Recognition Heterogeneous Face Recognition

EdgeFace: Efficient Face Recognition Model for Edge Devices

3 code implementations4 Jul 2023 Anjith George, Christophe Ecabert, Hatef Otroshi Shahreza, Ketan Kotwal, Sebastien Marcel

In this paper, we present EdgeFace, a lightweight and efficient face recognition network inspired by the hybrid architecture of EdgeNeXt.

Lightweight Face Recognition model

Prepended Domain Transformer: Heterogeneous Face Recognition without Bells and Whistles

2 code implementations12 Oct 2022 Anjith George, Amir Mohammadi, Sebastien Marcel

The core idea of the proposed approach is to add a novel neural network block called Prepended Domain Transformer (PDT) in front of a pre-trained face recognition (FR) model to address the domain gap.

Contrastive Learning Face Recognition +1

A Comprehensive Evaluation on Multi-channel Biometric Face Presentation Attack Detection

no code implementations21 Feb 2022 Anjith George, David Geissbuhler, Sebastien Marcel

Having a lot of sensors increases the cost of the system, and therefore an understanding of the performance of different sensors against a wide variety of attacks is necessary while selecting the modalities.

Face Presentation Attack Detection Face Recognition

Cross Modal Focal Loss for RGBD Face Anti-Spoofing

1 code implementation CVPR 2021 Anjith George, Sebastien Marcel

Automatic methods for detecting presentation attacks are essential to ensure the reliable use of facial recognition technology.

Face Anti-Spoofing

On the Effectiveness of Vision Transformers for Zero-shot Face Anti-Spoofing

1 code implementation16 Nov 2020 Anjith George, Sebastien Marcel

Although various methods have been suggested for detecting such attacks, most of them over-fit the training set and fail in generalizing to unseen attacks and environments.

Face Anti-Spoofing Face Recognition +1

The High-Quality Wide Multi-Channel Attack (HQ-WMCA) database

no code implementations21 Sep 2020 Zohreh Mostaani, Anjith George, Guillaume Heusch, David Geissbuhler, Sebastien Marcel

The High-Quality Wide Multi-Channel Attack database (HQ-WMCA) database extends the previous Wide Multi-Channel Attack database(WMCA), with more channels including color, depth, thermal, infrared (spectra), and short-wave infrared (spectra), and also a wide variety of attacks.

Vocal Bursts Intensity Prediction

Deep Models and Shortwave Infrared Information to Detect Face Presentation Attacks

no code implementations22 Jul 2020 Guillaume Heusch, Anjith George, David Geissbuhler, Zohreh Mostaani, Sebastien Marcel

Conducted experiments show superior performance over similar models acting on either color images or on a combination of different modalities (visible, NIR, thermal and depth), as well as on a SVM-based classifier acting on SWIR image differences.

Face Presentation Attack Detection

Learning One Class Representations for Face Presentation Attack Detection using Multi-channel Convolutional Neural Networks

3 code implementations22 Jul 2020 Anjith George, Sebastien Marcel

The proposed system is evaluated on the publicly available WMCA multi-channel face PAD database, which contains a wide variety of 2D and 3D attacks.

Face Anti-Spoofing Face Presentation Attack Detection +2

Image based Eye Gaze Tracking and its Applications

no code implementations9 Jul 2019 Anjith George

In the second part of this work, we have developed two applications which can benefit from eye tracking data.

Activity Recognition Gaze Estimation

Domain Adaptation in Multi-Channel Autoencoder based Features for Robust Face Anti-Spoofing

2 code implementations9 Jul 2019 Olegs Nikisins, Anjith George, Sebastien Marcel

The proposed system is tested on a very recent publicly available multi-channel PAD database with a wide variety of presentation attacks.

Domain Adaptation Face Anti-Spoofing +2

Deep Pixel-wise Binary Supervision for Face Presentation Attack Detection

7 code implementations9 Jul 2019 Anjith George, Sebastien Marcel

The proposed approach achieves an HTER of 0% in Replay Mobile dataset and an ACER of 0. 42% in Protocol-1 of OULU dataset outperforming state of the art methods.

Face Anti-Spoofing Face Presentation Attack Detection +1

ESCaF: Pupil Centre Localization Algorithm with Candidate Filtering

no code implementations27 Jul 2018 Anjith George, Aurobinda Routray

A simple tracking scheme has also been added which improves the processing speed.

Recognition of Activities from Eye Gaze and Egocentric Video

no code implementations18 May 2018 Anjith George, Aurobinda Routray

This paper presents a framework for recognition of human activity from egocentric video and eye tracking data obtained from a head-mounted eye tracker.

Classification General Classification

The Unconstrained Ear Recognition Challenge

no code implementations23 Aug 2017 Žiga Emeršič, Dejan Štepec, Vitomir Štruc, Peter Peer, Anjith George, Adil Ahmad, Elshibani Omar, Terrance E. Boult, Reza Safdari, Yuxiang Zhou, Stefanos Zafeiriou, Dogucan Yaman, Fevziye I. Eyiokur, Hazim K. Ekenel

In this paper we present the results of the Unconstrained Ear Recognition Challenge (UERC), a group benchmarking effort centered around the problem of person recognition from ear images captured in uncontrolled conditions.

Benchmarking Person Recognition

Real-time Eye Gaze Direction Classification Using Convolutional Neural Network

no code implementations17 May 2016 Anjith George, Aurobinda Routray

We propose a real-time framework for the classification of eye gaze direction and estimation of eye accessing cues.

Classification General Classification

A Score-level Fusion Method for Eye Movement Biometrics

no code implementations13 Jan 2016 Anjith George, Aurobinda Routray

Features extracted from fixations and saccades are used by a Gaussian Radial Basis Function Network (GRBFN) based method for biometric authentication.

Iris Recognition Person Identification

An Improved Algorithm for Eye Corner Detection

no code implementations16 Sep 2015 Anirban Dasgupta, Anshit Mandloi, Anjith George, Aurobinda Routray

In this paper, a modified algorithm for the detection of nasal and temporal eye corners is presented.

A Real Time Facial Expression Classification System Using Local Binary Patterns

no code implementations15 May 2015 S. L. Happy, Anjith George, Aurobinda Routray

A customizable approach is proposed for facial expression analysis, since the various expressions and intensity of expressions vary from person to person.

Emotion Recognition Face Detection +1

A Vision Based System for Monitoring the Loss of Attention in Automotive Drivers

no code implementations13 May 2015 Anirban Dasgupta, Anjith George, S. L. Happy, Aurobinda Routray

In this paper, we propose a robust real time embedded platform to monitor the loss of attention of the driver during day as well as night driving conditions.

Management

A Framework for Fast Face and Eye Detection

no code implementations13 May 2015 Anjith George, Anirban Dasgupta, Aurobinda Routray

Face detection is an essential step in many computer vision applications like surveillance, tracking, medical analysis, facial expression analysis etc.

Face Detection

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