Ramachandra Raghavendra

156 papers A 1B 14C 24Journal 32Unranked 82

Year	Rank	Type	Title / Venue / Authors
2025	B	`conf`	Privacy-enhancing Sclera Segmentation Benchmarking Competition: SSBC 2025. IJCB Matej Vitek, Darian Tomasevic, Abhijit Das, Sabari Nathan, Gökhan Özbulak, G. A. T. Özbulak, Jean-Paul Calbimonte, André Anjos, Hariohm Hemant Bhatt, Dhruv Dhirendra Premani, Jay Chaudhari, Caiyong Wang, Jian Jiang, Chi Zhang, Q. Zhang, Iyyakutti Iyappan Ganapathi, Syed Sadaf Ali, Divya Velayudan, Maregu Assefa, Naoufel Werghi, Zachary A. Daniels, Leeon John, Ritesh Vyas, Jalil Nourmohammadi Khiarak, Taher Akbari Saeed, Mahsa Nasehi, Ali Kianfar, Mobina Pashazadeh Panahi, Geetanjali Sharma, Pushp Raj Panth, Ramachandra Raghavendra, Aditya Nigam, Umapada Pal, Peter Peer, Vitomir Struc
2024	J	`jnl`	A Conformable Moments-Based Deep Learning System for Forged Handwriting Detection. IEEE Trans. Neural Networks Learn. Syst. Lokesh Nandanwar, Palaiahnakote Shivakumara, Hamid Abdullah Jalab, Rabha W. Ibrahim, Ramachandra Raghavendra, Umapada Pal, Tong Lu, Michael Blumenstein
2023	J	`jnl`	Facilitating free travel in the Schengen area - A position paper by the European Association for Biometrics. IET Biom. Christoph Busch, Farzin Deravi, Dinusha Frings, Els Kindt, Ralph Lessmann, Alexander Nouak, Jean Salomon, Mateus Achcar, Fernando Alonso-Fernandez, Daniel Bachenheimer, David Bethell, Josef Bigün, Matthew Brawley, Guido Brockmann, Enrique Cabello, Patrizio Campisi, Aleksandrs Cepilovs, Miles Clee, Mickey Cohen, Christian Croll, Andrzej Czyzewski, Bernadette Dorizzi, Martin Drahanský, Pawel Drozdowski, Catherine Fankhauser, Julian Fiérrez, Marta Gomez-Barrero, Georg Hasse, Richard M. Guest, Ekaterina Komleva, Sébastien Marcel, Gian Luca Marcialis, Laurent Mercier, Emilio Mordini, Stefance Mouille, Pavlina Navratilova, Javier Ortega-Garcia, Dijana Petrovska, Norman Poh, Istvan Sz. Racz, Ramachandra Raghavendra, Christian Rathgeb, Christophe Remillet, Uwe Seidel, Luuk J. Spreeuwers, Brage Strand, Sirra Toivonen, Andreas Uhl
2022	J	`jnl`	A comprehensive scheme for tattoo text detection. Pattern Recognit. Lett. Ayan Banerjee, Palaiahnakote Shivakumara, Umapada Pal, Ramachandra Raghavendra, Cheng-Lin Liu
2022	J	`jnl`	An Episodic Learning Network for Text Detection on Human Bodies in Sports Images. IEEE Trans. Circuits Syst. Video Technol. Pinaki Nath Chowdhury, Palaiahnakote Shivakumara, Ramachandra Raghavendra, Sauradip Nag, Umapada Pal, Tong Lu, Daniel Lopresti
2022	J	`jnl`	Cross-sensor periocular biometrics in a global pandemic: Comparative benchmark and novel multialgorithmic approach. Inf. Fusion Fernando Alonso-Fernandez, Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch, Josef Bigün, Rubén Vera-Rodríguez, Julian Fiérrez
2022	J	`jnl`	Multimodality for Reliable Single Image Based Face Morphing Attack Detection. IEEE Access Ramachandra Raghavendra, Guoqiang Li
2022	J	`jnl`	Towards better and unlinkable protected biometric templates using label-assisted discrete hashing. IET Biom. Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2021	—	`conf`	DCINN: Deformable Convolution and Inception Based Neural Network for Tattoo Text Detection Through Skin Region. ICDAR (2) Tamal Chowdhury, Palaiahnakote Shivakumara, Umapada Pal, Tong Lu, Ramachandra Raghavendra, Sukalpa Chanda
2020	J	`jnl`	Graph attention network for detecting license plates in crowded street scenes. Pattern Recognit. Lett. Pinaki Nath Chowdhury, Palaiahnakote Shivakumara, Swati Kanchan, Ramachandra Raghavendra, Umapada Pal, Tong Lu, Daniel Lopresti
2020	B	`conf`	Local Gradient Difference Features for Classification of 2D-3D Natural Scene Text Images. ICPR Lokesh Nandanwar, Palaiahnakote Shivakumara, Ramachandra Raghavendra, Tong Lu, Umapada Pal, Daniel Lopresti, Nor Badrul Anuar
2020	J	`jnl`	Morton Filters for Superior Template Protection for Iris Recognition. CoRR Kiran B. Raja, Ramachandra Raghavendra, Sushma Venkatesh, Christoph Busch
2019	—	`conf`	A New U-Net Based License Plate Enhancement Model in Night and Day Images. ACPR (1) Pinaki Nath Chowdhury, Palaiahnakote Shivakumara, Ramachandra Raghavendra, Umapada Pal, Tong Lu, Michael Blumenstein
2019	—	`ch.`	A Study of Hand-Crafted and Naturally Learned Features for Fingerprint Presentation Attack Detection. Handbook of Biometric Anti-Spoofing, 2nd Ed. Kiran B. Raja, Ramachandra Raghavendra, Sushma Venkatesh, Marta Gomez-Barrero, Christian Rathgeb, Christoph Busch
2019	—	`ch.`	Biometric Template Protection on Smartphones Using the Manifold-Structure Preserving Feature Representation. Selfie Biometrics Kiran B. Raja, Ramachandra Raghavendra, Martin Stokkenes, Christoph Busch
2019	J	`jnl`	Cross-Sensor Periocular Biometrics: A Comparative Benchmark including Smartphone Authentication. CoRR Fernando Alonso-Fernandez, Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch, Josef Bigün, Rubén Vera-Rodríguez, Julian Fiérrez
2019	J	`jnl`	DeepIrisNet2: Learning Deep-IrisCodes from Scratch for Segmentation-Robust Visible Wavelength and Near Infrared Iris Recognition. CoRR Abhishek Kumar Gangwar, Akanksha Joshi, Padmaja Joshi, Ramachandra Raghavendra
2019	—	`conf`	Morton Filters for Iris Template Protection - An Incremental and Superior Approach Over Bloom Filters. BTAS Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2019	—	`conf`	Obtaining Stable Iris Codes Exploiting Low-Rank Tensor Space and Spatial Structure Aware Refinement for Better Iris Recognition. ICB Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2019	—	`conf`	Robust Algorithm for Multimodal Deception Detection. MIPR Sushma Venkatesh, Ramachandra Raghavendra, Patrick Bours
2019	—	`conf`	Subsurface and Layer Intertwined Template Protection Using Inherent Properties of Full-Field Optical Coherence Tomography Fingerprint Imaging. CVPR Workshops Kiran B. Raja, Ramachandra Raghavendra, Egidijus Auksorius, Christoph Busch
2019	—	`conf`	Towards Reducing the Error Rates in Template Protection for Iris Recognition Using Custom Cuckoo Filters. ISBA Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2019	C	`conf`	Two Stream Convolutional Neural Network for Full Field Optical Coherence Tomography Fingerprint Recognition. FUSION Kiran B. Raja, Ramachandra Raghavendra, Egidijus Auksorius, A. Claude Boccara, Christoph Busch, Norwegian Biometrics
2018	—	`conf`	A Taxonomy of Audiovisual Fake Multimedia Content Creation Technology. MIPR Ali Khodabakhsh, Christoph Busch, Ramachandra Raghavendra
2018	—	`conf`	A low-cost Multi-Fingervein Verification System. IST Ramachandra Raghavendra, Sushma Venkatesh, Kiran B. Raja, Christoph Busch
2018	—	`conf`	Anchored Kernel Hashing for Cancelable Template Protection for Cross-Spectral Periocular Data. CVAUI/IWCF/MIPPSNA@ICPR Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2018	—	`conf`	Biometric Transaction Authentication using Smartphones. BIOSIG Martin Stokkenes, Ramachandra Raghavendra, Christoph Busch
2018	B	`conf`	Detecting Disguise Attacks on Multi-spectral Face Recognition Through Spectral Signatures. ICPR Ramachandra Raghavendra, Narayan Vetrekar, Kiran B. Raja, Rajendra S. Gad, Christoph Busch
2018	—	`conf`	Disguise Face Recognition Based On Spectral Imaging. ICVGIP Narayan Vetrekar, Ramachandra Raghavendra, Kiran B. Raja, Rajendra S. Gad, Christoph Busch
2018	—	`conf`	Fake Face Detection Methods: Can They Be Generalized? BIOSIG Ali Khodabakhsh, Ramachandra Raghavendra, Kiran B. Raja, Pankaj Shivdayal Wasnik, Christoph Busch
2018	—	`conf`	Fused Spectral Features in Kernel Weighted Collaborative Representation for Gender Classification Using Ocular Images. CVIP (1) Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2018	C	`conf`	Fusion of Multi-Scale Local Phase Quantization Features for Face Presentation Attack Detection. FUSION Ramachandra Raghavendra, Sushma Venkatesh, Kiran B. Raja, Pankaj Shivdayal Wasnik, Martin Stokkenes, Christoph Busch
2018	—	`conf`	Hessian-based robust ray-tracing of implicit surfaces on GPU. SIGGRAPH Asia Technical Briefs Jag Mohan Singh, Pankaj Shivdayal Wasnik, Ramachandra Raghavendra
2018	J	`jnl`	Improved ear verification after surgery - An approach based on collaborative representation of locally competitive features. Pattern Recognit. Ramachandra Raghavendra, Kiran B. Raja, Sushma Venkatesh, Christoph Busch
2018	—	`conf`	Manifold-Structure Preserving Biometric Templates - A Preliminary Study On Fully Cancelable Smartphone Biometric Templates. ICME Workshops Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2018	J	`jnl`	Multi-biometric template protection based on bloom filters. Inf. Fusion Marta Gomez-Barrero, Christian Rathgeb, Guoqiang Li, Ramachandra Raghavendra, Javier Galbally, Christoph Busch
2018	—	`conf`	Multi-spectral Imaging for Robust Ocular Biometrics. ICB Narayan Vetrekar, Kiran B. Raja, Ramachandra Raghavendra, Rajendra S. Gad, Christoph Busch
2018	—	`conf`	Robust gender classification using extended multi-spectral imaging by exploring the spectral angle mapper. ISBA Ramachandra Raghavendra, Narayan Vetrekar, Kiran B. Raja, Rajendra S. Gad, Christoph Busch
2018	C	`conf`	Subjective Logic Based Score Level Fusion: Combining Faces and Fingerprints. FUSION Pankaj Shivdayal Wasnik, Ramachandra Raghavendra, Kiran B. Raja, Christoph Busch
2018	C	`conf`	Towards Protected and Cancelable Multi-Spectral Face Templates Using Feature Fusion and Kernalized Hashing. FUSION Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2018	—	`conf`	Transgender face recognition with off-the-shelf pre-trained CNNs: A comprehensive study. IWBF Ramachandra Raghavendra, Sushma Venkatesh, Kiran B. Raja, Christoph Busch
2018	—	`conf`	Verifying the Newborns without Infection Risks Using Contactless Palmprints. ICB Ramachandra Raghavendra, Kiran B. Raja, Sushma Venkatesh, Sneha Hegde, Shreedhar D. Dandappanavar, Christoph Busch
2017	J	`jnl`	A new multi-modal approach to bib number/text detection and recognition in Marathon images. Pattern Recognit. Palaiahnakote Shivakumara, Ramachandra Raghavendra, Longfei Qin, Kiran B. Raja, Tong Lu, Umapada Pal
2017	—	`conf`	Assessing face image quality for smartphone based face recognition system. IWBF Pankaj Shivdayal Wasnik, Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2017	C	`conf`	Band level fusion using quaternion representation for extended multi-spectral face recognition. FUSION Narayan Vetrekar, Kiran B. Raja, Ramachandra Raghavendra, Rajendra S. Gad, Christoph Busch
2017	—	`conf`	Biometric Systems under Morphing Attacks: Assessment of Morphing Techniques and Vulnerability Reporting. BIOSIG Ulrich Scherhag, Andreas Nautsch, Christian Rathgeb, Marta Gomez-Barrero, Raymond N. J. Veldhuis, Luuk J. Spreeuwers, Maikel Schils, Davide Maltoni, Patrick Grother, Sébastien Marcel, Ralph Breithaupt, Ramachandra Raghavendra, Christoph Busch
2017	—	`conf`	Biometrie symmetry: Implications on template protection. EUSIPCO Marta Gomez-Barrero, Christian Rathgeb, Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2017	—	`conf`	Collaborative Representation of Statistically Independent Filters' Response: An Application to Face Recognition Under Illicit Drug Abuse Alterations. SCIA (2) Ramachandra Raghavendra, Kiran B. Raja, Sushma Venkatesh, Christoph Busch
2017	C	`conf`	Collaborative representation of Grassmann manifold projection metric for robust multi-spectral face recognition. SIN Narayan Vetrekar, Kiran B. Raja, Ramachandra Raghavendra, Rajendra S. Gad, Christoph Busch
2017	A	`conf`	ContlensNet: Robust Iris Contact Lens Detection Using Deep Convolutional Neural Networks. WACV Ramachandra Raghavendra, Kiran B. Raja, Christoph Busch
2017	B	`conf`	Cross-eyed 2017: Cross-spectral iris/periocular recognition competition. IJCB Ana Filipa Sequeira, Lulu Chen, James M. Ferryman, Peter Wild, Fernando Alonso-Fernandez, Josef Bigün, Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch, Tiago de Freitas Pereira, Sébastien Marcel, Sushree Sangeeta Behera, Mahesh Gour, Vivek Kanhangad
2017	B	`conf`	Extended Spectral to Visible Comparison Based on Spectral Band Selection Method for Robust Face Recognition. FG N. T. Vetrekar, Ramachandra Raghavendra, Kiran B. Raja, Rajendra S. Gad, Christoph Busch
2017	C	`conf`	Extended multi-spectral imaging for gender classification based on image set. SIN Narayan Vetrekar, Ramachandra Raghavendra, Kiran B. Raja, Rajendra S. Gad, Christoph Busch
2017	C	`conf`	Extended multispectral face presentation attack detection: An approach based on fusing information from individual spectral bands. FUSION Ramachandra Raghavendra, Kiran B. Raja, Sushma Venkatesh, Christoph Busch
2017	—	`conf`	Face Presentation Attack Detection by Exploring Spectral Signatures. CVPR Workshops Ramachandra Raghavendra, Kiran B. Raja, Sushma Venkatesh, Christoph Busch
2017	B	`conf`	Face morphing versus face averaging: Vulnerability and detection. IJCB Ramachandra Raghavendra, Kiran B. Raja, Sushma Venkatesh, Christoph Busch
2017	—	`conf`	Feature level fused templates for multi-biometric system on smartphones. IWBF Martin Stokkenes, Ramachandra Raghavendra, Kiran B. Raja, Morten K. Sigaard, Christoph Busch
2017	J	`jnl`	Multi-patch deep sparse histograms for iris recognition in visible spectrum using collaborative subspace for robust verification. Pattern Recognit. Lett. Kiran B. Raja, Ramachandra Raghavendra, Sushma Venkatesh, Christoph Busch
2017	—	`conf`	On the vulnerability of extended Multispectral face recognition systems towards presentation attacks. ISBA Ramachandra Raghavendra, Kiran B. Raja, Sushma Venkatesh, Faouzi Alaya Cheikh, Christoph Busch
2017	—	`conf`	On the vulnerability of face recognition systems towards morphed face attacks. IWBF Ulrich Scherhag, Ramachandra Raghavendra, Kiran B. Raja, Marta Gomez-Barrero, Christian Rathgeb, Christoph Busch
2017	J	`jnl`	Presentation Attack Detection Methods for Face Recognition Systems: A Comprehensive Survey. ACM Comput. Surv. Ramachandra Raghavendra, Christoph Busch
2017	—	`conf`	Robust Gender Classification Using Multi-Spectral Imaging. SITIS Narayan Vetrekar, Ramachandra Raghavendra, Kiran B. Raja, Rajendra S. Gad, Christoph Busch
2017	—	`conf`	Robust Verification With Subsurface Fingerprint Recognition Using Full Field Optical Coherence Tomography. CVPR Workshops Kiran B. Raja, Egidijus Auksorius, Ramachandra Raghavendra, A. Claude Boccara, Christoph Busch
2017	B	`conf`	Robust face presentation attack detection on smartphones : An approach based on variable focus. IJCB Kiran B. Raja, Pankaj Shivdayal Wasnik, Ramachandra Raghavendra, Christoph Busch
2017	C	`conf`	Scale-level score fusion of steered pyramid features for cross-spectral periocular verification. FUSION Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2017	—	`conf`	Transferable Deep-CNN Features for Detecting Digital and Print-Scanned Morphed Face Images. CVPR Workshops Ramachandra Raghavendra, Kiran B. Raja, Sushma Venkatesh, Christoph Busch
2017	—	`conf`	Transferable deep convolutional neural network features for fingervein presentation attack detection. IWBF Ramachandra Raghavendra, Sushma Venkatesh, Kiran B. Raja, Christoph Busch
2016	C	`conf`	Biometric Authentication Protocols on Smartphones: An Overview. SIN Martin Stokkenes, Ramachandra Raghavendra, Christoph Busch
2016	—	`conf`	Biometric recognition of surgically altered periocular region: A comprehensive study. ICB Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2016	B	`conf`	Collaborative representation of deep sparse filtered features for robust verification of smartphone periocular images. ICIP Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2016	C	`conf`	Color Adaptive Quantized Patterns for Presentation Attack Detection in Ocular Biometric Systems. SIN Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2016	—	`conf`	Cross-Eyed - Cross-Spectral Iris/Periocular Recognition Database and Competition. BIOSIG Ana Filipa Sequeira, Lulu Chen, Peter Wild, James M. Ferryman, Fernando Alonso-Fernandez, Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch, Josef Bigün
2016	—	`conf`	Detecting morphed face images. BTAS Ramachandra Raghavendra, Kiran B. Raja, Christoph Busch
2016	C	`conf`	Dynamic scale selected Laplacian decomposed frequency response for cross-smartphone periocular verification in visible spectrum. FUSION Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2016	—	`conf`	Ear recognition after ear lobe surgery: A preliminary study. ISBA Ramachandra Raghavendra, Kiran B. Raja, Christoph Busch
2016	J	`jnl`	Exploring the Usefulness of Light Field Cameras for Biometrics: An Empirical Study on Face and Iris Recognition. IEEE Trans. Inf. Forensics Secur. Ramachandra Raghavendra, Kiran Bylappa Raja, Christoph Busch
2016	—	`conf`	Extended multi-spectral face recognition across two different age groups: an empirical study. ICVGIP N. T. Vetrekar, Ramachandra Raghavendra, A. A. Gaonkar, Gourish M. Naik, Rajendra S. Gad
2016	C	`conf`	Eye region based multibiometric fusion to mitigate the effects of body weight variations in face recognition. FUSION Pankaj Shivdayal Wasnik, Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2016	—	`conf`	Face presentation attack detection across spectrum using time-frequency descriptors of maximal response in Laplacian scale-space. IPTA Ramachandra Raghavendra, Kiran B. Raja, Sébastien Marcel, Christoph Busch
2016	C	`conf`	Impact of Drug Abuse on Face Recognition Systems: A Preliminary Study. SIN Ramachandra Raghavendra, Kiran B. Raja, Christoph Busch
2016	—	`conf`	Influence of cataract surgery on iris recognition: A preliminary study. ICB Ramachandra Raghavendra, Kiran B. Raja, Vinay Krishna Vemuri, Swetha Kumari, Pierre Gacon, Emine Krichen, Christoph Busch
2016	B	`conf`	Learning deeply coupled autoencoders for smartphone based robust periocular verification. ICIP Ramachandra Raghavendra, Christoph Busch
2016	C	`conf`	Multi-biometric Template Protection on Smartphones: An Approach Based on Binarized Statistical Features and Bloom Filters. CIARP Martin Stokkenes, Ramachandra Raghavendra, Kiran B. Raja, Morten K. Sigaard, Marta Gomez-Barrero, Christoph Busch
2016	—	`conf`	Multi-biometric template protection - A security analysis of binarized statistical features for bloom filters on smartphones. IPTA Martin Stokkenes, Ramachandra Raghavendra, Morten K. Sigaard, Kiran B. Raja, Marta Gomez-Barrero, Christoph Busch
2016	—	`conf`	Mutual Information Based Multispectral Image Fusion for Improved Face Recognition. SITIS Ramachandra Raghavendra, Sushma Venkatesh, Kiran B. Raja, Faouzi Alaya Cheikh, Christoph Busch
2016	C	`conf`	On comparison score fusion of deep autoencoders and relaxed collaborative representation for smartphone based accurate periocular verification. FUSION Ramachandra Raghavendra, Kiran B. Raja, Christoph Busch
2016	—	`conf`	Photometric Normalization Techniques for Extended Multi-spectral Face Recognition: A Comparative Analysis. ICVGIP Workshops N. T. Vetrekar, Ramachandra Raghavendra, Rajendra S. Gad, Gourish M. Naik
2016	—	`conf`	Presentation Attack Detection in Face Biometric Systems Using Raw Sensor Data from Smartphones. SITIS Pankaj Shivdayal Wasnik, Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2016	—	`conf`	Robust transgender face recognition: Approach based on appearance and therapy factors. ISBA Vijay Kumar, Ramachandra Raghavendra, Anoop M. Namboodiri, Christoph Busch
2016	C	`conf`	Weighted comparison score fusion for accurate verification of surgically altered periocular region. FUSION Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2015	—	`conf`	A New Multi-modal Technique for Bib Number/Text Detection in Natural Images. PCM (1) Sangheeta Roy, Palaiahnakote Shivakumara, Prabir Mondal, Ramachandra Raghavendra, Umapada Pal, Tong Lu
2015	—	`conf`	An efficient finger vein indexing scheme based on unsupervised clustering. ISBA Ramachandra Raghavendra, Jayachander Surbiryala, Christoph Busch
2015	—	`conf`	Evaluation of fusion approaches for face recognition using light field cameras. CVCS Kiran B. Raja, Ramachandra Raghavendra, Faouzi Alaya Cheikh, Christoph Busch
2015	—	`conf`	Exploring dorsal finger vein pattern for robust person recognition. ICB Ramachandra Raghavendra, Christoph Busch
2015	C	`conf`	Face image resolution enhancement based on weighted fusion of wavelet decomposition. FUSION Ramachandra Raghavendra, Christoph Busch
2015	—	`conf`	Finger vein indexing based on binary features. CVCS Jayachander Surbiryala, Ramachandra Raghavendra, Christoph Busch
2015	—	`conf`	Finger vein liveness detection using motion magnification. BTAS Ramachandra Raghavendra, Manasa Avinash, Sébastien Marcel, Christoph Busch
2015	C	`conf`	Fusion of face and periocular information for improved authentication on smartphones. FUSION Kiran B. Raja, Ramachandra Raghavendra, Martin Stokkenes, Christoph Busch
2015	B	`conf`	Improved face recognition by combining information from multiple cameras in Automatic Border Control system. AVSS Ramachandra Raghavendra, Christoph Busch
2015	—	`conf`	Improving Cross-Smartphone Periocular Verification in Visible Spectrum Using Time-Frequency Features of Laplacian Decomposition. SITIS Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2015	—	`conf`	Iris imaging in visible spectrum using white LED. BTAS Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2015	—	`conf`	Multi-modal authentication system for smartphones using face, iris and periocular. ICB Kiran B. Raja, Ramachandra Raghavendra, Martin Stokkenes, Christoph Busch
2015	—	`conf`	Presentation Attack Detection Algorithms for Finger Vein Biometrics: A Comprehensive Study. SITIS Ramachandra Raghavendra, Christoph Busch
2015	J	`jnl`	Presentation Attack Detection for Face Recognition Using Light Field Camera. IEEE Trans. Image Process. Ramachandra Raghavendra, Kiran B. Raja, Christoph Busch
2015	—	`conf`	Presentation attack detection using Laplacian decomposed frequency response for visible spectrum and Near-Infra-Red iris systems. BTAS Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2015	J	`jnl`	Robust Scheme for Iris Presentation Attack Detection Using Multiscale Binarized Statistical Image Features. IEEE Trans. Inf. Forensics Secur. Ramachandra Raghavendra, Christoph Busch
2015	J	`jnl`	Smartphone based visible iris recognition using deep sparse filtering. Pattern Recognit. Lett. Kiran B. Raja, Ramachandra Raghavendra, Vinay Krishna Vemuri, Christoph Busch
2015	J	`jnl`	Texture based features for robust palmprint recognition: a comparative study. EURASIP J. Inf. Secur. Ramachandra Raghavendra, Christoph Busch
2015	—	`conf`	The 1st Competition on Counter Measures to Finger Vein Spoofing Attacks. ICB Pedro Tome, Ramachandra Raghavendra, Christoph Busch, Santosh Tirunagari, Norman Poh, B. H. Shekar, Diego Gragnaniello, Carlo Sansone, Luisa Verdoliva, Sébastien Marcel
2015	J	`jnl`	Video Presentation Attack Detection in Visible Spectrum Iris Recognition Using Magnified Phase Information. IEEE Trans. Inf. Forensics Secur. Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2014	B	`conf`	A low-cost multimodal biometric sensor to capture finger vein and fingerprint. IJCB Ramachandra Raghavendra, Kiran B. Raja, Jayachander Surbiryala, Christoph Busch
2014	C	`conf`	An Empirical Study of Smartphone Based Iris Recognition in Visible Spectrum. SIN Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch, Soumik Mondal
2014	B	`conf`	Automatic Face Quality Assessment from Video Using Gray Level Co-occurrence Matrix: An Empirical Study on Automatic Border Control System. ICPR Ramachandra Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch
2014	—	`conf`	Binarized statistical features for improved iris and periocular recognition in visible spectrum. IWBF Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2014	—	`conf`	Empirical evaluation of visible spectrum iris versus periocular recognition in unconstrained scenario on smartphones. APSIPA Kiran B. Raja, Ramachandra Raghavendra, Christoph Busch
2014	—	`conf`	Ensemble of Statistically Independent Filters for Robust Contact Lens Detection in Iris Images. ICVGIP Ramachandra Raghavendra, Kiran B. Raja, Christoph Busch
2014	—	`conf`	Finger vascular pattern imaging - A comprehensive evaluation. APSIPA Ramachandra Raghavendra, Kiran B. Raja, Jayachander Surbiryala, Christoph Busch
2014	J	`jnl`	Novel image fusion scheme based on dependency measure for robust multispectral palmprint recognition. Pattern Recognit. Ramachandra Raghavendra, Christoph Busch
2014	B	`conf`	Novel presentation attack detection algorithm for face recognition system: Application to 3D face mask attack. ICIP Ramachandra Raghavendra, Christoph Busch
2014	—	`conf`	Presentation attack detection algorithm for face and iris biometrics. EUSIPCO Ramachandra Raghavendra, Christoph Busch
2014	B	`conf`	Presentation attack detection on visible spectrum iris recognition by exploring inherent characteristics of Light Field Camera. IJCB Ramachandra Raghavendra, Christoph Busch
2014	C	`conf`	Robust 2D/3D face mask presentation attack detection scheme by exploring multiple features and comparison score level fusion. FUSION Ramachandra Raghavendra, Christoph Busch
2014	C	`conf`	Robust palmprint verification using sparse representation of binarized statistical features: a comprehensive study. IH&MMSec Ramachandra Raghavendra, Christoph Busch
2014	—	`conf`	Smartphone Authentication System Using Periocular Biometrics. BIOSIG Kiran B. Raja, Ramachandra Raghavendra, Martin Stokkenes, Christoph Busch
2013	—	`conf`	A new perspective - Face recognition with light-field camera. ICB Ramachandra Raghavendra, Bian Yang, Kiran B. Raja, Christoph Busch
2013	C	`conf`	A novel image fusion scheme for robust multiple face recognition with light-field camera. FUSION Ramachandra Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch
2013	—	`ch.`	Anomaly Detection in Crowded Scenes: A Novel Framework Based on Swarm Optimization and Social Force Modeling. Modeling, Simulation and Visual Analysis of Crowds Ramachandra Raghavendra, Marco Cristani, Alessio Del Bue, Enver Sangineto, Vittorio Murino
2013	—	`conf`	Combining Iris and Periocular Recognition Using Light Field Camera. ACPR Ramachandra Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch
2013	—	`conf`	Comparative evaluation of super-resolution techniques for multi-face recognition using light-field camera. DSP Ramachandra Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch
2013	J	`jnl`	Human behavior analysis in video surveillance: A Social Signal Processing perspective. Neurocomputing Marco Cristani, Ramachandra Raghavendra, Alessio Del Bue, Vittorio Murino
2013	C	`conf`	Improved face recognition at a distance using light field camera & super resolution schemes. SIN Ramachandra Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch
2013	—	`conf`	Multi-face Recognition at a Distance Using Light-Field Camera. IIH-MSP Ramachandra Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch
2013	J	`jnl`	Novel mixture model-based approaches for person verification using multimodal biometrics. Signal Image Video Process. Ramachandra Raghavendra
2013	—	`conf`	Robust "On-the-Fly" person identification using Sparse Representation. ICME Workshops Ramachandra Raghavendra, Bian Yang, Christoph Busch
2013	—	`conf`	Robust iris recognition using light-field camera. CVCS Kiran B. Raja, Ramachandra Raghavendra, Faouzi Alaya Cheikh, Bian Yang, Christoph Busch
2013	—	`conf`	Scaling-robust fingerprint verification with smartphone camera in real-life scenarios. BTAS Ramachandra Raghavendra, Christoph Busch, Bian Yang
2013	—	`conf`	Towards e-Passport Duplicate Enrollment Check in the European Union. EISIC Moazzam Butt, Sandra Marti, Alexander Nouak, Jörg Köplin, Ramachandra Raghavendra, Guoqiang Li
2012	—	`conf`	PSO Based Framework for Weighted Feature Level Fusion of Face and Palmprint. IIH-MSP Ramachandra Raghavendra
2012	—	`conf`	Sparse Representation for Accurate Person Recognition Using Hand Vein Biometrics. IIH-MSP Ramachandra Raghavendra
2011	—	`conf`	Abnormal Crowd Behavior Detection by Social Force Optimization. HBU Ramachandra Raghavendra, Alessio Del Bue, Marco Cristani, Vittorio Murino
2011	J	`jnl`	Designing efficient fusion schemes for multimodal biometric systems using face and palmprint. Pattern Recognit. Ramachandra Raghavendra, Bernadette Dorizzi, Ashok Rao, G. Hemantha Kumar
2011	—	`conf`	Feature Level Fusion of Face and Palmprint using Gaussian Mixture Model: Application to Single Sample Analysis. BIOSIG Ramachandra Raghavendra
2011	—	`conf`	Optimizing interaction force for global anomaly detection in crowded scenes. ICCV Workshops Ramachandra Raghavendra, Alessio Del Bue, Marco Cristani, Vittorio Murino
2011	J	`jnl`	Particle swarm optimization based fusion of near infrared and visible images for improved face verification. Pattern Recognit. Ramachandra Raghavendra, Bernadette Dorizzi, Ashok Rao, G. Hemantha Kumar
2011	J	`jnl`	Robust Algorithms for a Multimodal Biometric System Using Palmprint and Speech. J. Intell. Syst. Ramachandra Raghavendra
2010	J	`jnl`	Multimodal Biometric Score Fusion Using Gaussian Mixture Model and Monte Carlo Method. J. Comput. Sci. Technol. Ramachandra Raghavendra, Ashok Rao, G. Hemantha Kumar
2010	—	`conf`	Multimodal Biometrics: Analysis of Handvein & Palmprint Combination Used for Person Verification. ICETET Ramachandra Raghavendra, Mohammad Imran, Ashok Rao, G. Hemantha Kumar
2010	—	`conf`	Multimodal person verification system using face and speech. Biometrics Technology Ramachandra Raghavendra, Ashok Rao, G. Hemantha Kumar
2010	J	`jnl`	Multisensor biometric evidence fusion of face and palmprint for person authentication using Particle Swarm Optimisation (PSO). Int. J. Biom. Ramachandra Raghavendra, Ashok Rao, G. Hemantha Kumar
2009	—	`conf`	A Novel Approach for Multimodal Biometric Score Fusion Using Gaussian Mixture Model and Monte Carlo Method. ARTCom Ramachandra Raghavendra, Ashok Rao, G. Hemantha Kumar
2009	—	`conf`	Gaussian Mixture Model Coupled with Independent Component Analysis for Palmprint Verification. AIAI (Workshops) Ramachandra Raghavendra, Bernadette Dorizzi, Ashok Rao, G. Hemantha Kumar
2009	—	`conf`	Qualitative Weight Assignment for Multimodal Biometric Fusion. ICAPR Ramachandra Raghavendra, G. Hemantha Kumar, Ashok Rao
2009	—	`conf`	Texture Based Approach for Cloud Classification Using SVM. ARTCom H. K. Chethan, G. Hemantha Kumar, Ramachandra Raghavendra
2008	—	`conf`	Subjective Performance of Texture Based Algorithm for Face Verification: The Role of Databases. ICVGIP Ramachandra Raghavendra, Ashok Rao, G. Hemantha Kumar
2006	J	`jnl`	On Some Problems of A.K. Agarwal. Ars Comb. Padmavathamma, B. M. Chandrashekara, Ramachandra Raghavendra
2004	J	`jnl`	A new bijective proof of a partition theorem of K. Alladi. Discret. Math. Padmavathamma, Ramachandra Raghavendra, B. M. Chandrashekara