Blar i NTNU Open på forfatter "Busch, Christoph"
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Privacy-Preserving Indexing of Iris-Codes with Cancelable Bloom Filter-based Search Structures
Drozdowski, Pawel; Garg, Surabhi; Rathgeb, Christian; Gomez-Barrero, Marta; Chang, Donghoon; Busch, Christoph (Chapter, 2018)Protecting the privacy of the enrolled subjects is an important requirement expected from biometric systems. In recent years, numerous template protection schemes have been proposed, but so far none of them have been shown ... -
Qualifying Fingerprint Samples Captured by Smartphone Cameras in Real-Life Scenarios
Li, Guoqiang; Yang, Bian; Busch, Christoph (Others, 2016-05-03)While biometrics has been extensively adopted by industry and governments for identification and forensics purposes relying on dedicated biometric sensors and systems, the consumer market driven by innovations in consumer ... -
A response to the European Data Protection Supervisor ‘Misunderstandings in Biometrics’ by the European Association for Biometrics
Busch, Christoph; Czajka, Adam; Deravi, Farzin; Drozdowski, Pawel; Gomez‐Barrero, Marta; Hasse, Georg; Henniger, Olaf; Kindt, Els; Kolberg, Jascha; Nouak, Alexander; Raja, Kiran; Ramachandra, Raghavendra; Rathgeb, Christian; Salomon, Jean; Veldhuis, Raymond Nicolaas Johan (Peer reviewed; Journal article, 2021)The intention of this position paper is to comment on the joint European Data Protection Supervisor (EDPS)-Agencia Española de Protección de Datos (aepd) publication ‘14 Misunderstandings with regard to Biometric Identification ... -
Robust Algorithms for Audio-Visual Biometric Authentication
Mandalapu, Hareesh (Doctoral theses at NTNU;2021:394, Doctoral thesis, 2021)Biometric authentication has been a vital method of human identification across a wide range of applications. It is a quick and secure authorization process in applications such as border control and banking transactions. ... -
Robust Algorithms For Face Morphing Attack Detection: Database, Vulnerability and Detection
Venkatesh, Sushma Krupa (Doctoral theses at NTNU;2022:299, Doctoral thesis, 2022)Biometrics has emerged as a promising technology for automated recognition of individuals. The stored biometric characteristics are used to recognise an individual and hence biometrics technology plays a major role in ... -
Robust Biometric Verification Based On The Eye Region - Algorithms for Visible Spectrum Image Data
Bylappa Raja, Kiran (Doctoral theses at NTNU;312, Doctoral thesis, 2016)Popular mobile banking and e-commerce applications like Google Wallet, Apple Pay and Alipay have resulted in using personal devices like smartphones for secure access of services via biometric data captured from embedded ... -
Robust Biometrics on Smartphones – Using Quality Assessment, Presentation Attack Detection, and Biometric Fusion
Wasnik, Pankaj Shivdayal (Doctoral theses at NTNU;2019:131, Doctoral thesis, 2019)With the technological advancements in mobile technology, there is a massive adoption of biometrics as a security measure in today1s smartphones. Smartphones are used in all day to day activities such as online banking, ... -
Robust Identification and Segmentation of the Outer Skin Layers in Volumetric Fingerprint Data
Kirfel, Alexander; Scheer, Tobias; Jung, Norbert; Busch, Christoph (Peer reviewed; Journal article, 2022)Despite the long history of fingerprint biometrics and its use to authenticate individuals, there are still some unsolved challenges with fingerprint acquisition and presentation attack detection (PAD). Currently available ... -
Score Fusion Strategies in Single-Iris Dual-Probe Recognition Systems
Drozdowski, Pawel; Wiegand, Nikolai; Rathgeb, Christian; Busch, Christoph (Chapter, 2018)Multiple samples can be utilised at the comparison stage of a biometric system in order to increase its biometric performance via information fusion or decision heuristics. It has been shown, that in a single-instance ... -
Subjective Evaluation of Media Consumer Vulnerability to Fake Audiovisual Content
Khodabakhsh, Ali; Ramachandra, Raghavendra; Busch, Christoph (Chapter, 2019)Facilitation of fake face generation in recent years, thanks to advancements in computer graphics and artificial intelligence, raises concerns about malicious use of these techniques for personal or political gains. Media ... -
Subjective Versus Objective Face Image Quality Evaluation For Face Recognition
Khodabakhsh, Ali; Pedersen, Marius; Busch, Christoph (Chapter, 2019)The performance of any face recognition system gets affected by the quality of the probe and the reference images. Rejecting or recapturing images with low-quality can improve the overall performance of the biometric system. ... -
Towards better and unlinkable protected biometric templates using label-assisted discrete hashing
Raja, Kiran; Mudgalgundurao, Raghavendra; Busch, Christoph (Peer reviewed; Journal article, 2022)The growth of biometrics-based authentication in various services raises the need to protect biometric data at the storage level. Specifically, biometric templates need to be protected after features are extracted to avoid ... -
Towards generalized morphing attack detection by learning residuals
Raja, Kiran; Gupta, Gourav; Venkatesh, Sushma; Ramachandra, Raghavendra; Busch, Christoph (Peer reviewed; Journal article, 2022)Face recognition systems (FRS) are vulnerable to different kinds of attacks. Morphing attack combines multiple face images to obtain a single face image that can verify equally against all contributing subjects. Various ... -
Turning a vulnerability into an asset: Accelerating Facial Identification with Morphing
Drozdowski, Pawel; Rathgeb, Christian; Busch, Christoph (Chapter, 2019)In recent years, morphing of facial images has arisen as an important attack vector on biometric systems. Detection of morphed images has proven challenging for automated systems and human experts alike. Likewise, in recent ... -
Type^2: A Secure and Seamless Biometric Two-Factor Authentication Protocol Using Key stroke Dynamics
Bauspieß, Pia; Bours, Patrick Adrianus; Rathgeb, Christian; Busch, Christoph (Peer reviewed; Journal article, 2023) -
Unit-Selection Based Facial Video Manipulation Detection
Nielsen, Thomas; Khodabakhsh, Ali; Busch, Christoph (Chapter, 2020)Advancements in video synthesis technology have caused major concerns over the authenticity of audio-visual content. A video manipulation method that is often overlooked is inter-frame forgery, in which segments (or units) ... -
Unsupervised Denoising for Super-Resolution (UDSR) of Real-World Images
Prajapati, Kalpesh; Chudasama, Vishal; Patel, Heena; Sarvaiya, Anjali; Upla, Kishor; Raja, Kiran; Ramachandra, Raghavendra; Busch, Christoph (Peer reviewed; Journal article, 2022)Single Image Super-Resolution (SISR) using Convolutional Neural Networks (CNNs) for many applications in supervised manner has resulted in significant improvement in state-of-the-art performance. Such supervised models ... -
Vein Pattern Recognition Using Chain Codes, Spatial Information and Skeleton Fusing
Hartung, Daniel; Pflug, Anika; Busch, Christoph (Chapter; Peer reviewed, 2012)Vein patterns are a unique attribute of each individual and can therefore be used as a biometric characteristic. Exploiting the specific near infrared light absorption properties of blood, the vein capture procedure is ...