Kiran Bylappa Raja

Faculty of Technology, Natural Sciences and Maritime Sciences
Department of Science and Industry systems
Campus Kongsberg ()
Kiran Raja holds PhD in Computer Science from Norwegian University of Science and Technology (NTNU) with a focus on data and information security, image processing and machine learning applied to biometric problems. He is currently appointed as an associate professor at USN, Norway where he teaches information security and data protection, critical software engineering. He also holds a joint appointment with NTNU, Norway where he participates in various research activities on biometrics. He has also served as consultant to different national organs within Norway. He carries vast experience in executing EU research programs such as INGRESS and various national projects from RCN, Norway. Kiran Raja is also a member of the European Association for Biometrics and represents Standards Norge in ISO/IEC SC37. He has co-authored number of technical papers in various journals and conferences and has been a speaker at various international venues.

Responsibilities

  • Teaching at bachelor level
  • Teaching at master level
  • PhD Student Supervision
  • Program committe member for master degree programs

Competences

  • Biometrics
  • Information/Data Security 
  • Image Processing
  • Machine learning and pattern recognition
  • Deep Learning and Transfer Learning

CV

 

Publications

Most of these works are done through my affiliation at NTNU, Norway

Patents:

1. "PROCESS AND SYSTEM FOR VIDEO SPOOF DETECTION BASED ON LIVENESS EVALUATION", European Patent: PCT/FR2015/050073, Jan 13 2015.

2. ”DETECTION OF MANIPULATED IMAGES”, European Patent: 31.133494, June 28 2017.

3. ”Detection of presentation attacks”, European Patent: 1711799.5, July 24 2017.

International Journals:

1. Kiran B Raja, R. Raghavendra, Sushma Venkatesh, Christoph Busch, 'Multi-patch deep sparse histograms for iris recognition in visible spectrum using collaborative subspace for robust verification, Pattern Recognition Letters (PRL), 2017 (Accepted)

2. R. Raghavendra, Kiran B. Raja, Christoph Busch, 'Exploring the usefulness of light field camera for biometrics: An empirical study on face and iris recognition', IEEE Transactions on Information Forensics and Security (TIFS), 2016 

3. P. Shivakumara , R. Raghavendra, Longfei Qin , Kiran B. Raja, Tong Lu , Umapada Pal, ‘A New Multi-Modal Approach to Bib Number/Text Detection and Recognition in Marathon Images’, Pattern Recognition, 2016 

4. Kiran B. Raja, R. Raghavendra, Vinay K. Vemuri, Christoph Busch, 'Smartphone Based Visible Iris Recognition Using Deep Sparse Filtering', Pattern Recognition Letters (PRL), 57(1), pp. 33-42, 2015. 

5. Kiran B Raja, R. Raghavendra, Christoph Busch, 'Video Presentation Attack Detection in Visible Spectrum Iris Recognition Using Magnified Phase Information', IEEE Transactions on Information Forensics and Security (TIFS), 2015. 

6. R. Raghavendra, Kiran B. Raja, Christoph Busch, ’ Presentation Attack Detection for Face Recognition using Light Field Camera’, IEEE Transactions on Image Processing (TIP), vol.24, no.3, March 2015, pp.1060,1075

Book Chapters:

1. Kiran B Raja, R. Raghavendra, Christoph Busch, Addressing the presentation attacks using periocular region for smartphone biometrics, IET Mobile Biometrics, 2017.

2. Kiran B Raja, R. Raghavendra, Christoph Busch, Light field cameras for presentation attack resistant robust biometric ocular biometric system in visible spectrum, IET Biometrics, 2017.

3. R. Raghavendra, Kiran B Raja, Christoph Busch, ’Fingervein Presentation Attack Detection using Transferable Features from Deep Convolution Neural Networks’, Springer, 2017

4. R. Raghavendra, Kiran B Raja, Sushma Venkatesh, Marta Gomez-Barrero, Christian Rathgeb, Christoph Busch, ’A study of hand-crafted versus naturally learnt features for fingerprint presentation attack detection’, Handbook of Antispoofing, 2017 (To appear).

5. R. Raghavendra, Kiran B Raja, Sushma Venkatesh, Christoph Busch, Fingervein Presentation Attack Detection Using Transferable Features from Deep Convolution Neural Networks, Deep Learning in Biometrics, 2017 (To appear).

International Conferences:

2018

1. Filippo Sanfilippo and Kiran B. Raja, ”A multi-sensor system for enhancing situational awareness and stress management for people with ASD”, In Proceedings of the 52nd Hawaii International Conference on System Sciences 2019. University of Hawaii at Manoa, 2019.

2. R. Raghavendra*, Kiran B. Raja*, Sushma Raghavendra, Sneha Hegde, Sridhar Dandappanavar, Christoph Busch, ”Verifying the Newborns without Infection Risks using Contactless Palm-prints”, In IAPR International Conference on Biometrics (ICB-2018), Queensland Australia. (* Equal Contribution).

3. Narayan Vetrekar*, Kiran B. Raja*, R. Raghavendra*, Rajendra Gad, Christoph Busch, Robust Multi-spectral Imaging For Ocular Biometric, In IAPR International Conference on Biometrics (ICB-2018), Queensland Australia. (* Equal Contribution).

4. Raymond Veldhuis, Kiran B. Raja, R. Raghavendra, ”A Likelihood Ratio Classifier for Histogram Features”, IEEE 9th International Conference on Biometrics: Theory, Applications, and Systems (BTAS 2018), LA-USA.

5. Pankaj Wasnik, R. Raghavendra, Martin Stokkenes, Kiran B. Raja and Christoph Busch, ”An Empirical Evaluation of Deep Architectures on Generalization of Smartphone-based Face Image Quality Assessment”, IEEE 9th International Conference on Biometrics: Theory, Applications, and Systems (BTAS 2018), LA-USA.

6. Ali Khodabakhsh, R. Ramachandra, Kiran B. Raja, Pankaj Wasnik, Christoph Busch, ”Fake Face Detection Methods: Can They Be Generalized?”, 17th International Conference of the Biometrics Special Interest Group (BIOSIG-2018), Germany, 2018.

7. Pankaj Wasnik, R. Ramachandra, Martin Stokkenes, Kiran B. Raja and Christoph Busch, ”Improved Fingerphoto Verification System Using Multi-scale Second Order Local Structures”, 17th International Conference of the Biometrics Special Interest Group (BIOSIG-2018), Germany, 2018.

8. R. Raghavendra, Sushma Venkatesh, Kiran B. Raja, Christoph Busch, ”Detecting Face Morphing Attacks with Collaborative Representation of Steerable Scale-Space Features”, In IEEE/IAPR - Computer Vision and Image Processing (CVIP), India, 2018.

9. Kiran B. Raja, R. Raghavendra, Christoph Busch, ”Fused Spectral Features in Kernel Weighted Collaborative Representation for Gender Classification using Ocular Images”, In IEEE/IAPR - Computer Vision and Image Processing (CVIP), India, 2018.

10. Kiran B. Raja, R. Raghavendra, Christoph Busch, ”Towards a Cancelable Template Protection across NIR to Visible Spectrum Using Anchored Kernel Hashing - A Study on Cross-Spectral Periocular Images”, IEEE International Conference on Pattern Recognition - Workshops (ICPR-W 2018), China.

11. R. Raghavendra, Narayan Vetrekar, Kiran B. Raja, Rajendra Gad, Christoph Busch, Detecting Disguise Attacks on Multi-Spectral Face Recognition through Spectral Signatures, IEEE International Conference on Pattern Recognition (ICPR 2018), China.

12. Kiran B. Raja, R. Raghavendra, Christoph Busch, ”Manifold-Structure Preserving Biometric Templates - a Preliminary Study on Fully Cancelable Smartphone Biometric Templates”, IEEE Inter- national Conference on Multimedia and Expo - Workshops (ICME-W) 2018, San Diego, USA.

13. Kiran B. Raja, R. Raghavendra, Christoph Busch, ”Towards Protected and Cancelable Multi- spectral Face Templates Using Feature Fusion and Kernalized Hashing”, 21st International Con- ference on Information Fusion (FUSION-2018), Cambridge.

14. R. Raghavendra, Sushma Venkatesh, Kiran B. Raja, Martin Stokkenes, Pankaj Wasnik, Christoph Busch, ”Fusion of Multi-scale Local Phase Quantization Features for Face Presentation Attack Detection”, In Proceedings of 21th International Conference on Information Fusion (FUSION 2018), Cambridge, UK.

15. Pankaj Wasnik, R. Raghavendra, Kiran B. Raja and Christoph Busch: ”Subjective Logic Based Score Level Fusion: Combining Faces and Fingerprints”, In Proceedings of 21th International Confer- ence on Information Fusion (FUSION 2018), Cambridge, UK.

16. R. Raghavendra, Sushma Venkatesh, Kiran B. Raja, Christoph Busch, ”A low-cost multi-fingervein verification system”, IEEE Conference on Imaging Systems and Technologies (IST 2018), Poland

17. Pankaj Wasnik, Mihkal Dunfjeld, Martin Stokkenes, Kiran B. Raja, Raghavendra Raghavendra and Christoph Busch, ”Baseline Evaluation of Smartphone based Finger-photo Verification System: A Preliminary Study of Technology Readiness”, In Proceedings Norwegian Information Security Conference (NISK 2018), Svalbard, Norway.

18. Tommy Thorsen, Pankaj Wasnik, Raghavendra Raghavendra, Christoph Busch and Kiran B. Raja, ”Assessing face image quality with LSTMs”, In Proceedings Norwegian Information Security Conference (NISK 2018), Svalbard, Norway.

19. R. Raghavendra, Sushma Venkatesh, Kiran B. Raja, Christoph Busch, Transgender Face Recogni- tion with Off-the-shelf Pre-trained CNNs: A Comprehensive Study, 6th IAPR/IEEE International Workshop on Biometrics and Forensics (IWBF-2018), Sassari, Italy.

20. Narayan Vetrekar, R. Raghavendra, Kiran B. Raja, Rajendra Gad, Christoph Busch, Robust Gender Classification Using Extended Multi-spectral Imaging by Exploring The Spectral Angle Mapper, IEEE International Conference on Identity, Security and Behavior Analysis (ISBA 2018), Singapore.

2017

1. Kiran B. Raja, Pankaj Wasnik, R. Raghavendra, Christoph Busch, ’Robust Face Presentation Attack Detection On Smartphones : An Approach Based on Variable Focus’, IEEE- IJCB 2017, IEEE International Joint Conference on Biometrics-2017, Denver

2. R. Raghavendra, Kiran B. Raja, Sushma Raghavendra, Christoph Busch, ’Face Morphing Versus Face Averaging: Vulnerability and Detection’, IEEE- IJCB 2017, IEEE International Joint Conference on Biometrics- 2017, Denver

3. Ana F. Sequeira Lulu Chen, Peter Wild, James Ferryman, Fernando Alonso-Fernandez, Josef Bigun, Kiran B. Raja, R. Raghavendra, Christoph Busch, 2nd Cross-Eyed - Cross-Spectral Iris/Periocular Recognition Database and Competition, IEEE- IJCB 2017, IEEE International Joint Conference on Biometrics-2017, Denver.

4. Kiran B. Raja, Egidijus Auksorius, R. Raghavendra, A. Boccara, Christoph Busch, ’Robust Verification With Subsurface Fingerprint Recognition Using Full Field Optical Coherence Tomography’, IEEE- CVPRW 2017, IEEE Computer Society Workshop on Biometrics 2017, Hawaii.

5. R. Raghavendra, Kiran B. Raja, Sushma Venkatesh, Christoph Busch, ’Face Presentation Attack Detection by Exploring Spectral Signatures’, IEEE- CVPRW 2017, IEEE Computer Society Workshop on Biometrics 2017, Hawaii.

6. R. Raghavendra, Kiran B. Raja, Christoph Busch, ’Transferable Deep-CNN features for detecting digital and print-scanned morphed face images.’, IEEE- CVPRW 2017, IEEE Computer Society Workshop on Biometrics 2017, Hawaii.

7. Narayan Vetrekar, Kiran B. Raja, R. Raghavendra, Rajendra Gad, Christoph Busch, Robust Gender Classification Using Multi-spectral Imaging, 13th International Conference on Signal Image Technology and Internet Based Systems, (SITIS-2017), India.

8. Narayan Vetrekar, R. Raghavendra, Kiran B. Raja, Rajendra Gad, Christoph Busch, Extended Multi-spectral Imaging For Gender Classification Based On Image Set, 10th International Conference on Security of Information and Networks (SIN 2017), 2017, India.

9. Narayan Vetrekar, Kiran B. Raja R. Raghavendra, Rajendra Gad, Christoph Busch, Collaborative Representation of Grassmann Manifold Projection Metric for Robust Multi-spectral Face Recognition, 10th International Conference on Security of Information and Networks (SIN 2017), 2017, India.

10. Kiran B. Raja, R. Raghavendra, Christoph Busch, ’Scale-level Score Fusion of Steered Pyramid Features for Cross-Spectral Periocular Verification’, IEEE International Conference on Information Fusion (Fusion-2017), Xi An, China.

11. Narayan Vetrekar, Kiran B. Raja, R. Raghavendra, Christoph Busch, ’Extended Multi-spectral Face Recognition: An Approach For Band Fusion in Quaternion Representation’, IEEE International Conference on Information Fusion (Fusion-2017), Xi An, China.

12. R. Raghavendra, Kiran B. Raja, Sushma Venkatesh, Christoph Busch, ’Extended Multispectral Face Presentation Attack Detection: An Approach Based on Fusing Information From Individual Spectral Bands’, IEEE International Conference on Information Fusion (Fusion-2017), Xi An, China.

13. Fernando Alonso Fernandez, Kiran B. Raja, Christoph Busch, Josef Bigun, ’Log-Likelihood Score Level Fusion for Improved Cross-Sensor Smartphone Periocular Recognition’, 25th European Signal Processing Conference (EUSIPCO 2017), Greece, 2017.

14. Marta Gomez-Barrero, Christian Rathgeb, Kiran B. Raja, Raghavendra Ramachandra, Christoph Busch, ’Biometric Symmetry: Implications on Template Protection’, 25th European Signal Processing Conference (EUSIPCO 2017), Greece, 2017.

15. R. Raghavendra, Kiran B. Raja, Christoph Busch, ’Collaborative Representation of Statistically Independent Filters Response: An Application to Face Recognition under Illicit Drug Abuse Alterations’, Scandinavian Conference on Image Analysis (SCIA)-2017, Tromsø-Norway.

16. R. Raghavendra, Kiran B. Raja, Christoph Busch, 'ContlensNet: Robust Iris Contact Lens Detection Using Deep Convolutional Neural Networks', Proceedings of IEEE Winter Conference on Applications of Computer Vision--WACV 2017, USA, 2017.

17. R. Raghavendra, Sushma Venkatesh, Kiran B. Raja, Faouzi Cheikh, Christoph Busch, 'On the Vulnerability of Extended Multispectral Face Recognition Systems Towards Presentation Attacks', IEEE International Conference on Identity, Security and Behavior Analysis (ISBA 2017), Delhi, India.

18. R. Raghavendra, Kiran B. Raja, Sushma Venkatesh, Faouzi Cheikh, Christoph Busch, 'Transferable Deep Convolutional Neural Network Features For Fingervein Presentation Attack Detection', 5th International Workshop on Biometrics and Forensics (IWBF), 2017, Coventry UK 

19. Ulrich Scherhag, R. Raghavendra, Kiran B. Raja, Marta Gomez-Barrero, Christian Rathgeb, Christoph Busch, 'On The Vulnerability Of Face Recognition Systems Towards Morphed Face Attacks', 5th International Workshop on Biometrics and Forensics (IWBF), 2017, Coventry UK 

20. Martin Stokkenes, Kiran Raja, R. Raghavendra, Morten K. Sigaard, Christoph Busch, 'Feature Level Fusion Methods for Multi-Biometric System on Smartphones', 5th International Workshop on Biometrics and Forensics (IWBF), 2017, Coventry UK

21. Pankaj Wasnik, Kiran Raja, R. Raghavendra, Christoph Busch, 'Assessing Face Image Quality for Smartphone based Face Recognition System', 5th International Workshop on Biometrics and Forensics (IWBF), 2017, Coventry UK 

2016

1. R. Raghavendra, Kiran B. Raja, Sebastian Marcel, Christoph Busch, 'Face Presentation Attack Detection Across Spectrum using Time-Frequency Descriptors of Maximal Response in Laplacian Scale-Space', Proceedings of the 6th International Conference on Image Processing Theory, Tools and Applications (IPTA 2016), Finland, 2016.

2. Martin Stokkenes, R. Raghavendra, Morten K. Sigaard, Kiran B. Raja, Marta Gomez-Barrero, Christoph Busch, 'Multi-Biometric Template Protection - A Security Analysis of Binarized Statistical Features for Bloom Filters on Smartphones', Proceedings of the 6th International Conference on Image Processing Theory, Tools and Applications (IPTA 2016), Finland, 2016.

3. R. Raghavendra , Kiran B. Raja, Christoph Busch, ‘Detecting Morphed Face Images’, IEEE Eighth International Conference on Biometrics: Theory, Applications, and Systems (BTAS 2016), 2016, USA.

4. Martin Stokkenes, R. Raghavendra, Kiran B. Raja, Morten Sigaard Karup, Marta Gomez-Barrero, and Christoph Busch, ‘Multi-Biometric Template Protection on Smartphones: An Approach based on Binarized Statistical Features and Bloom Filters’, 21th Iberoamerican Congress on Pattern Recognition (CIARP 2016), 2016, Peru. 

5. Ana F. Sequeira Lulu Chen, Peter Wild, James Ferryman, Fernando Alonso-Fernandez, Josef Bigun,  Kiran B. Raja, R. Raghavendra, Christoph Busch, ‘Cross-Eyed - Cross-Spectral Iris/Periocular Recognition Database and Competition’, 15th International Conference of the Biometrics Special Interest Group (BIOSIG-2016), Germany , 2016. 

6. R. Raghavendra , Kiran B. Raja, Christoph Busch, ‘Impact of Drug Abuse on Face Recognition Systems : A Preliminary Study’, 9th International Conference on Security of Information and Networks (SIN 2016), 2016, USA.

7. Kiran B. Raja, R. Raghavendra, Christoph Busch, ‘Hybrid Patterns for Presentation Attack Detection in Ocular Biometrics’, 9th International Conference on Security of Information and Networks (SIN 2016), 2016, USA (Best Paper-Runners Up Award)

8. Kiran B. Raja, R. Raghavendra, Christoph Busch, ‘Presentation Attacks Detection using a Generalizable Statistical Approach for Periocular and Iris Systems’, 15th International Conference of the Biometrics Special Interest Group (BIOSIG-2016), Germany , 2016.

9. Kiran B. Raja, R. Raghavendra, Christoph Busch, ‘ Collaborative Representation of Deep Sparse Filtered Feature for Robust Verification of Smartphone Periocular Images', 23rd IEEE International Conference in Image Processing (ICIP-2016), Arizona, US, 2016.

10. Pankaj Wasnik(*), Kiran B. Raja(*),R. Raghavendra(*), Christoph Busch, 'Presentation Attack Detection in Face Biometric Systems Using Raw Sensor Data from Smartphones', 12th International Conference on Signal-Image Technology & Internet-Based Systems (SITIS -2016), Naples, Italy. (* Equal Contribution)

11. Kiran B. Raja, R. Raghavendra, Christoph Busch, ‘ Dynamic Scale Selected Laplacian Decomposed Frequency Response for Cross-Smartphone Periocular Verification in Visible Spectrum', 19th IEEE International Conference on Information Fusion (FUSION 2016), Heidelberg, Germany.

12. Kiran B. Raja, R. Raghavendra, Christoph Busch, ‘ Weighted Comparison Score Fusion for Accurate Verification of Surgically Altered Periocular Region', 19th IEEE International Conference on Information Fusion (FUSION 2016), Heidelberg, Germany.

13. R. Raghavendra, Kiran B. Raja, Christoph Busch, ‘ On Comparison Score Fusion of Deep Autoencoders and Relaxed Collaborative Representation for Smartphone Based Accurate Periocular Verification', 19th IEEE International Conference on Information Fusion (FUSION 2016), Heidelberg, Germany.

14. Pankaj Wasnik,  Kiran B. Raja, R. Raghavendra, Christoph Busch, ‘ 'Eye Region Based Multibiometric Fusion Framework to Mitigate the Effects of Body Weight Variations in Face Recognition', 19th IEEE International Conference on Information Fusion (FUSION 2016), Heidelberg, Germany 

15. Kiran B. Raja, R. Raghavendra, Christoph Busch, 'Biometric Recognition of Surgically Altered Periocular Region : A Comprehensive Study’, In IAPR International Conference on Biometrics (ICB-2016), Sweden, 2016.

16. R. Raghavendra*, Kiran B. Raja*, Vinay K. Vemuri, Swetha Kumari, Pierre Gacon, Emine Krichen, Christoph Busch, 'Influence of Cataract Surgery on Iris Recognition: A Preliminary Study’, In IAPR International Conference on Biometrics (ICB-2016), Sweden, 2016. (Accepted). (* Equal Contribution). 

17. R. Raghavendra, Kiran B. Raja, Christoph Busch, ' Ear Recognition after Ear Lobe Surgery: A Preliminary Study ', IEEE International Conference on Identity, Security and Behavior Analysis (ISBA 2016), Japan, 2016.

18. Kiran B. Raja, R. Raghavendra, Christoph Busch, ‘Cross-Spectrum Periocular Authentication for NIR and Visible Images Using Bank of Filters’, IEEE Conference on Imaging Systems and Technologies (IST 2016), 2016, Greece. 

2015

1. Kiran B. Raja, R. Raghavendra, Martin Stokkenes, Christoph Busch, 'Multi-modal authentication system for smartphones', In IAPR International Conference on Biometrics (ICB-2015), Phuket-Thailand, 2015.

2. Kiran B. Raja, R. Raghavendra, Martin Stokkenes, Christoph Busch, 'Fusion of Face and Periocular Information for Improved Authentication on Smartphones', 18th International Conference on Information Fusion (FUSION 2015), Washington DC, 2015.

3. Kiran B. Raja, R. Raghavendra, Faouzi Alaya Cheikh, Christoph Busch ’Evaluation of Fusion Approaches for Face Recognition using Light Field Cameras’, IEEE Symposium on The Colour and Visual Computing (CVCS-2015), Gjøvik, Norway, 2015.

4. Kiran B. Raja, R. Raghavendra, Christoph Busch, 'Iris Imaging in Visible Spectrum using White LED', Proceedings of the 7th IEEE International Conference on Biometrics: Theory, Applications and Systems-BTAS 2015, Arlington-Virginia., USA, Sept. 2015.

5. Kiran B. Raja, R. Raghavendra, Christoph Busch, 'Presentation Attack Detection using Laplacian Decomposed Frequency Response for Visible Spectrum and Near-Infra-Red Iris Systems', Proceedings of the 7th IEEE International Conference on Biometrics: Theory, Applications and Systems-BTAS 2015, Arlington-Virginia, USA, Sept. 2015.

6. Kiran B. Raja, R. Raghavendra, Christoph Busch, ‘Visible Iris Imaging: A Novel Imaging Solution for Improved Iris Recognition’, 12th annual International Conference on Imaging Systems and Techniques (IEEE IST-2015), Macau, China.

7. Kiran B Raja, R. Raghavendra, Christoph Busch, ‘ Improving Cross-Smartphone Periocular Recognition in Visible Spectrum Using Time-Frequency Features of Laplacian Decomposition’, 11th International Conference on Signal-Image Technology & Internet-Based Systems (SITIS -2015), Bangkok, Thailand. 

2014

1. Kiran B. Raja, R. Raghavendra, Martin Stokkenes, Christoph Busch, 'Smartphone Authentication System using Periocular Biometrics', International Conference on Biometrics Special Interest Group (BIOSIG-2014), Darmstadt, Germany, 2014.

2. Kiran B. Raja, R. Raghavendra, Christoph Busch, 'Binarized Statistical Features for improved Iris and Periocular Recognition in Visible spectrum', 2nd International Workshop on Biometrics and Forensics (IWBF), 2014.

3. Kiran B. Raja, R. Raghavendra, Christoph Busch, ’An Empirical Study of Smartphone Based Iris Recognition in Visible Spectrum’, 7th International Conference on Security of Information and Networks (SIN 2014), Glasgow, UK, Sep. 2014.

4. Kiran B. Raja, R. Raghavendra, Christoph Busch, 'Smartphone Based Robust Iris Recognition in Visible Spectrum using Clustered K-means Features’, IEEE Workshop on Biometric measurements and systems for security and medical applications (IEEE- BioMS 2014), Rome, Italy, 2014.

5. Kiran B. Raja, R. Raghavendra, Christoph Busch, ‘Empirical Evaluation of Visible Spectrum Iris versus Periocular Recognition in Unconstrained Scenario on Smartphones’, Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC 2014), Cambodia, 2014

6. R. Raghavendra, Kiran B. Raja, Jayachander Surbiryala, Christoph Busch, 'A low-cost Multimodal Biometric Sensor to Capture Fingervein and Fingerprint', International Joint Conference on Biometrics (IJCB-2014), Clearwaters, USA, 2014.

7. R. Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch, 'Automatic Face Quality Assessment from Video using Gray Level Co-occurrence Matrix: An Empirical Study on Automatic Boarder Control (ABC) System ', 22nd International Conference on Pattern Recognition (ICPR 2014), Stockholm, Sweden, 2014.

8. R. Raghavendra, Kiran B. Raja, Christoph Busch, ’ Ensemble of Statistically Independent Filters for Robust Contact lens detection in Iris images’, Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP 2014), Bangalore, India, 2014

9. R. Raghavendra, Kiran B. Raja, Jayachander Surbiryala, Christoph Busch, ‘Novel Finger Vascular Pattern Imaging Device for Robust Biometric Verification’, IEEE Conference on Imaging System and Techniques (IEEE-IST 2014), Santorini, Greece, 2014.

10. R. Raghavendra, Kiran B. Raja, Jayachander Surbiryala, Christoph Busch, ‘Finger Vascular Pattern Imaging- A Comprehensive Evaluation’, Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA-ASC 2014), Cambodia, 2014.

2013

1. Kiran B. Raja, R Raghavendra, Faouzi Alaya Cheik, Bian Yang, Christoph BuschRobust Iris Recognition using Light-field Camera; IEEE Conference on Colour and Visual Computing Symposium 2013 (CVCS 2013), Gjøvik, Norway

2. Kiran B. Raja & Marius Pedersen; Artifact Detection of Gamut Mapped Images using Saliency; IEEE Conference on Colour and Visual Computing Symposium 2013 (CVCS 2013), Gjøvik, Norway

3. R. Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch, ’Robust Iris and Periocular Recognition with Light Field Camera’, 2nd IAPR Asian Conference on Pattern Recognition (ACPR 2013), Okinawa, Japan, Nov. 2013.

4. R. Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch, ’Improved Face Recognition At A Distance Using Light Field Camera & Super Resolution Schemes’, 6th International Conference on Security of Information and Networks (SIN 2013), Aksaray,Turkey, Nov. 2013.

5. R. Raghavendra, Kiran B. Raja, Anika pflug, Bian Yang, Christoph Busch, ’3D Face Reconstruction and Multimodal Person Identification from Video Captured Using a Smartphone Camera’, 13th IEEE Conference on Technologies for Homeland Security (HST 2013), Massachusetts, USA, Nov. 2013.

6. R. Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch, ’Multi-face Recognition at a distance using Light Field Camera’, 9th IEEE International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIHMSP 2013), Beijing, China, Oct. 2013.

7. R. Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch, ’A novel image fusion scheme for robust multiple face recognition with light-field camera’, IEEE International Conference on Information Fusion (Fusion-2013) , Istanbul, Turkey, Jul.2013.

8. R. Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch, ’GUCLF: A New Light-Field Face Database’, SPIE Conference on Optics, Lasers and Applications (OPTILAS), porto, Portugal, Jul.2013 [poster]

9. R. Raghavendra, Kiran B. Raja, Bian Yang, Christoph Busch, ’Comparative Evaluation of Super-Resolution Techniques for Multi-Face Recognition Using Light-Field Camera’, IEEE International Conference on Digital Signal Processing (DSP), Santorini, Greece, Jul.2013

10. R Raghavendra, Bian Yang, Kiran B. Raja, Christoph Busch; A New Perspective - Face Recognition with Light-Field Camera; 6th IAPR International Conference on Biometrics (ICB-2013), Madrid, Spain, 2013

11. Juan Martinez Garcia, Roshanak Zakizadeh, Kiran B. Raja, Christos Siakides; Chromatic differences introduced by microscope optics; 12th Congress of the International Colour Association (AIC), Newcastle, UK, Jul. 2013

12. Roshanak Zakizadeh, Juan Martinez Garcia, Kiran B. Raja, Christos Siakides; Study of factors affecting the appearance of colors under microscopes;SPIE Conference on Optics, Lasers and Applications (OPTILAS), Porto, Portugal, Jul.2013.

PhD Thesis:

Kiran B. Raja, "Robust Biometric Verification Based On The Eye Region- Algorithms for Visible Spectrum Image Data", Norwegian University of Science and Technology, 2016