no code implementations • 8 Feb 2024 • Marcel Grimmer, Raymond N. J. Veldhuis, Christoph Busch
The recognition performance of biometric systems strongly depends on the quality of the compared biometric samples.
no code implementations • 22 Dec 2023 • Wassim Kabbani, Marcel Grimmer, Christoph Busch
In this work, EGAIN, an architecture for constructing GAN inversion models, is presented.
no code implementations • 19 Aug 2023 • Marcel Grimmer, Christian Rathgeb, Raymond Veldhuis, Christoph Busch
Accurate face recognition systems are increasingly important in sensitive applications like border control or migration management.
1 code implementation • 1 Mar 2023 • Marcel Grimmer, Christian Rathgeb, Christoph Busch
Evaluating the quality of facial images is essential for operating face recognition systems with sufficient accuracy.
no code implementations • 19 Aug 2022 • Indu Joshi, Marcel Grimmer, Christian Rathgeb, Christoph Busch, Francois Bremond, Antitza Dantcheva
This survey is intended for researchers and practitioners in the field of human analysis.
no code implementations • 17 Aug 2022 • Marcel Grimmer, Haoyu Zhang, Raghavendra Ramachandra, Kiran Raja, Christoph Busch
The vast progress in synthetic image synthesis enables the generation of facial images in high resolution and photorealism.
no code implementations • 7 Dec 2021 • Marcel Grimmer, Haoyu Zhang, Raghavendra Ramachandra, Kiran Raja, Christoph Busch
Mated samples are generated by manipulating latent vectors, and more precisely, we exploit Principal Component Analysis (PCA) to define semantically meaningful directions in the latent space and control the similarity between the original and the mated samples using a pre-trained face recognition system.
no code implementations • 6 Apr 2021 • Haoyu Zhang, Marcel Grimmer, Raghavendra Ramachandra, Kiran Raja, Christoph Busch
Face verification has come into increasing focus in various applications including the European Entry/Exit System, which integrates face recognition mechanisms.
no code implementations • 18 Aug 2020 • Jascha Kolberg, Marcel Grimmer, Marta Gomez-Barrero, Christoph Busch
In recent years, the popularity of fingerprint-based biometric authentication systems significantly increased.