Search Results for author: Torsten Schlett

Found 5 papers, 2 papers with code

Double Trouble? Impact and Detection of Duplicates in Face Image Datasets

1 code implementation25 Jan 2024 Torsten Schlett, Christian Rathgeb, Juan Tapia, Christoph Busch

Additional steps based on face recognition and face image quality assessment models reduce false positives, and facilitate the deduplication of the face images both for intra- and inter-subject duplicate sets.

Face Image Quality Face Image Quality Assessment +1

Considerations on the Evaluation of Biometric Quality Assessment Algorithms

1 code implementation23 Mar 2023 Torsten Schlett, Christian Rathgeb, Juan Tapia, Christoph Busch

Additionally, a discard fraction limit or range must be selected to compute pAUC values, which can then be used to quantitatively rank quality assessment algorithms.

Face Image Quality Face Image Quality Assessment +1

Effect of Lossy Compression Algorithms on Face Image Quality and Recognition

no code implementations24 Feb 2023 Torsten Schlett, Sebastian Schachner, Christian Rathgeb, Juan Tapia, Christoph Busch

This work investigates the effect of lossy image compression on a state-of-the-art face recognition model, and on multiple face image quality assessment models.

Face Image Quality Face Image Quality Assessment +2

Face Image Quality Assessment: A Literature Survey

no code implementations2 Sep 2020 Torsten Schlett, Christian Rathgeb, Olaf Henniger, Javier Galbally, Julian Fierrez, Christoph Busch

The performance of face analysis and recognition systems depends on the quality of the acquired face data, which is influenced by numerous factors.

Face Image Quality Face Image Quality Assessment +1

Deep Learning-based Single Image Face Depth Data Enhancement

no code implementations19 Jun 2020 Torsten Schlett, Christian Rathgeb, Christoph Busch

All tested enhancer types exclusively use depth data as input, which differs from methods that enhance depth based on additional input data such as visible light color images.

Face Recognition

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