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Recent Publications

This is "The Multimedia Signal Processing and Security Lab", short WaveLab, website. We are a research group at the Artificial Intelligence and Human Interfaces (AIHI) Department of the University of Salzburg led by Andreas Uhl. Our research is focused on Visual Data Processing and associated security questions. Most of our work is currently concentrated on Biometrics, Media Forensics and Media Security, Medical Image and Video Analysis, and application oriented fundamental research in digital humanities, individualised aquaculture and sustainable wood industry.
     

Image- and Videocoding

 

Publications:

  1. [Kurth24a ] Compression Robustness of Digital Image Forensics evaluating Demosaicing Consistency Felix Kurth, Thomas Wulz, Andreas Uhl In Proceedings of the 12th International Workshop on Biometrics and Forensics (IWBF'24), pp. 1-6, Enschede, Netherlands, April 11 - April 12, 2024
  2. [Hafner24a  ] Forensic Recognition of Codec-Specific Image Compression Artefacts Michael Hafner, Aleksandar Radovic, Moritz Langer, Stefan Findenig, Andreas Uhl In Proceedings of the 2024 ACM Workshop on Information Hiding and Multimedia Security, pp. 131–136, New York, NY, USA, IH&MMSec '24, Association for Computing Machinery, 2024
  3. [Jalilian23a   ] Impact of Image Compression on In-vitro Cell Migration Analysis Ehsaneddin Jalilian, Michael Linortner, Andreas Uhl Computers 12:5, pp. 98, 2023
  4. [Jalilian22b  ] Iris Image Compression Using Deep Convolutional Neural Networks Ehsaneddin Jalilian, Heinz Hofbauer, Andreas Uhl Sensors 22:7, pp. 2698, 2022
  5. [Remy22a ] Comparative Compression Robustness Evaluation of Digital Image Forensics Oliver Remy, Sebastian Strumegger, Jutta Hämmerle-Uhl, Andreas Uhl In Computational Science and Its Applications -- ICCSA 2022, pp. 236-246, Cham, LNCS, 13376, Springer International Publishing, 2022
  6. [Joechl21c   ] Effects of Image Compression on Image Age Approximation Robert Joechl, Andreas Uhl In 20th International Workshop on Digital-forensics and Watermarking (IWDW2021), pp. 102-116, Beijing, China, Springer LNCS, 13180, Springer International Publishing, November 20 - November 22, 2021
  7. [Jalilian21a   ] Deep Iris Compression Ehsaneddin Jalilian, Heinz Hofbauer, Andreas Uhl In Pattern Recognition. ICPR International Workshops and Challenges, Proceedings, Part V, pp. 1-15, Milan, Italy, LNCS, 12565, Springer, January 10 - January 15, 2021
  8. [Lipowski18a ] Finger-vein Sample Compression in Presence of Pre-Compressed Gallery Data T. Lipowski, B. Maser, J. Hämmerle-Uhl, A. Uhl In Proceedings of the International Conference of the Biometrics Special Interest Group (BIOSIG'18), pp. 1-8, Darmstadt, Germany, September 27 - 28, 2018
  9. [Bergmueller17a  ] Recompression effects in iris recognition Thomas Bergmüller, Eleftherios Christopoulos, Kevin Fehrenbach, Martin Schnöll, Andreas Uhl Image and Vision Computing (Special Section on the Best of Biometrics 2015) 58, pp. 142-157, 2017
  10. [Elmer15c ] Impact of Lossy Image Compression on CAD Support Systems for Colonoscopy Peter Elmer, Michael Häfner, Toru Tamaki, Shinji Tanaka, Rene Thaler, Andreas Uhl, Shigeto Yoshida In Computer-Assisted and Robotic Endoscopy (CARE'15), pp. 1-11, Springer Lecture Notes in Computer Science, 9515, Oct. 2016
  11. [Elmer16a ] Compression-scenarios for LIRE-based CBIR on colonoscopy data Peter Elmer, Michael Häfner, Toru Tamaki, Shinji Tanaka, Rene Thaler, Andreas Uhl, Shigeto Yoshida In Proceedings of Bildverarbeitung für die Medizin 2016 (BVM'16), pp. 152-157, Springer Informatik Aktuell, March 2016
  12. [Elmer15a  ] Exploring Compression Impact on Face Detection Using Haar-like Features Peter Elmer, Artur Lupp, Stefan Sprenger, Rene Thaler, Andreas Uhl In Proceedings of the 19th Scandinavian Conference on Image Analysis (SCIA'15), pp. 53-64, Springer LNCS, 9127, 2015
  13. [Herzog15a ] JPEG Optimisation for Fingerprint Recognition: Generalisation Potential of an Evolutionary Approach Thomas Herzog, Andreas Uhl In Proceedings of the International Conference of the Biometrics Special Interest Group (BIOSIG'15), pp. 8, Darmstadt, Germany, September 9 - 11, 2015
  14. [Haemmerle14a ] Systematic evaluation methodology for fingerprint-image quality assessment techniques J. Hämmerle-Uhl, M. Pober, A. Uhl In Proceedings of the MIPRO'14 Special Session on Biometrics, Forensics, De-identification and privacy protection (BiForD'14), pp. 99-104, Opatija, Croatia, May 29 - May 30, 2014
  15. [Haemmerle13d ] Towards Standardised Fingerprint Matching Robustness Assessment: The StirMark Toolkit -- Cross-Feature Type Cmparisons J. Hämmerle-Uhl, M. Pober, A. Uhl In Proceedings of the 14th IFIP International Conference on Communications and Multimedia Security (CMS'13), pp. 3-17, Magdeburg, Germany, Springer Lecture Notes on Computer Science, 8099, Sept 25 - Sept 26, 2013
  16. [Haemmerle13a ] Cancelable Iris-Templates using Key-dependent Wavelet Transforms J. Hämmerle-Uhl, E. Pschernig, A. Uhl In Proceedings of the 6th IAPR International Conference on Biometrics (ICB'13)Madrid, Spain, June 5 - June 7, 2013
  17. [Haemmerle13c ] Non-Invertible and Revocable Iris Templates using Key-dependent Wavelet Transforms J. Hämmerle-Uhl, E. Pschernig, A. Uhl In Proceedings of the 1st ACM Workshop on Information Hiding and Multimedia Security (IH&MMSec'13), pp. 105-110, Montpellier, France, June 17 - June 19, 2013
  18. [Haemmerle13b ] Towards Standardised Fingerprint Matching Robustness Assessment: The StirMark Toolkit -- Cross-Database Comparisons with Minutiae-based Matching J. Hämmerle-Uhl, M. Pober, A. Uhl In Proceedings of the 1st ACM Workshop on Information Hiding and Multimedia Security (IH&MMSec'13), pp. 111-116, Montpellier, France, June 17 - June 19, 2013
  19. [Rathgeb12e ] Iris Recognition: From Segmentation to Template Security Christian Rathgeb, Andreas Uhl, Peter Wild Advances in Information Security, Springer Verlag, 2013
  20. [Haemmerle12c ] Watermarking scalability for copyright protection in wireless and mobile environments Jutta Hämmerle-Uhl, Karl Raab, Andreas Uhl In Proceedings of the 8th International Wireless Communications and Mobile Computing Conference (IWCMC'12), pp. 791-796, Sep. 2012
  21. [Hofbauer12b  ] Image Metric-based Biometric Comparators: A Supplement to Feature Vector-based Hamming Distance? Heinz Hofbauer, Christian Rathgeb, Andreas Uhl, Peter Wild In Proceedings of the International Conference of the Biometrics Special Interest Group (BIOSIG'12), pp. 1-5, Darmstadt, Germany, September 6 - 7, 2012
  22. [Rathgeb12f ] Evaluating the Impact of Iris Image Compression on Segmentation and Recognition Accuracy Christian Rathgeb, Andreas Uhl, Peter Wild Dept. of Computer Sciences, University of SalzburgSalzburg, Austria, Technical Report 2012-05, July 2012, Available at http://www.cosy.sbg.ac.at/tr.
  23. [Hofbauer12a  ] Iris Recognition in Image Domain: Quality-metric based Comparators Heinz Hofbauer, Christian Rathgeb, Andreas Uhl, Peter Wild In Proceedings of the 8th International Symposium on Visual Computing (ISVC'12), pp. 1-10, Crete, Greece, July 16 - 18, 2012
  24. [Rathgeb12c ] Iris-Biometric Fuzzy Commitment Schemes under Signal Degradation Christian Rathgeb, Andreas Uhl In A. Elmoataz, D. Mammass, O. Lezoray, F. Nouboud, D. Aboutajdine, editors, Proceedings of the 5th International Conference on Image and Signal Processing (ICISP'12), pp. 217-225, Agadir, Morocco, Springer LNCS, 7340, June 28 - 30, 2012
  25. [Rathgeb12a  ] Iris-Biometric Comparators: Exploiting Comparison Scores towards an Optimal Alignment under Gaussian Assumption Christian Rathgeb, Andreas Uhl, Peter Wild In Proceedings of the 5th IAPR/IEEE International Conference on Biometrics (ICB'12), pp. 1-6, New Delhi, India, March 29 - April 1, 2012
  26. [Rathgeb12b  ] Iris Biometrics: Template Protection and Advanced Comparators Christian Rathgeb PhD thesis, Department of Computer Sciences, University of Salzburg, Austria, Jan. 2012
  27. [Haemmerle12a ] Recognition Impact of JPEG2000 Part 2 wavelet packet subband structures in polar iris image compression Jutta Hämmerle-Uhl, Michael Karnutsch, Andreas Uhl In B. Zovko-Cihlar, M. Rupp, C.F. Mecklenbräuker, editors, Proceedings of the 19th International Conference on Systems, Signals and Image Processing (IWSSIP'12), pp. 13-16, 2012
  28. [Horvath12a ] Optimisation of JPEG XR quantisation settings in iris recognition systems Kurt Horvath, Herbert Stögner, Andreas Uhl In P. Davies, D. Newell, editors, Proceedings of the 4th International Conference on Advances in Multimedia (MMEDIA 2012), pp. 88-93, IARIA, 2012
  29. [Rathgeb12d ] Statistical Attack against Fuzzy Commitment Scheme Christian Rathgeb, Andreas Uhl IET Biometrics 1:2, pp. 94-104, IET, 2012
  30. [Schuchter12a ] Fast motion estimation approaches for surveillance-type videos in an inter-frame JPEG 2000-based adaptive video coding system Arthur Schuchter, Andreas Uhl IET Image Processing 6:1, pp. 31-42, 2012
  31. [Stuetz12a ] Efficient and Rate-Distortion Optimal Wavelet Packet Basis Selection in JPEG2000 Thomas Stütz, Andreas Uhl IEEE Transactions on Multimedia 14:2, pp. 264-277, 2012
  32. [Meerwald11e ] An efficient robust watermarking method integrated in H.264/SVC Peter Meerwald, Andreas Uhl Transactions on Data Hiding and Multimedia Security VII 7110, pp. 1-14, Springer, 2012
  33. [Rathgeb11h  ] Iris-Biometric Comparators: Minimizing Trade-Offs Costs between Computational Performance and Recognition Accuracy Christian Rathgeb, Andreas Uhl, Peter Wild In Proceedings of the 4th International Conference on Imaging for Crime Detection and Prevention, ICDP '11, pp. 1-6, London, UK, November 3 - 4, 2011
  34. [Rathgeb11i  ] Template Protection under Signal Degradation: A Case-Study on Iris-Biometric Fuzzy Commitment Schemes Christian Rathgeb, Andreas Uhl Dept. of Computer Sciences, University of SalzburgSalzburg, Austria, Technical Report 2011-04, Nov. 2011, Available at http://www.cosy.sbg.ac.at/tr.
  35. [Rathgeb11j  ] Image Compression in Iris-Biometric Fuzzy Commitment Schemes Christian Rathgeb, Andreas Uhl Dept. of Computer Sciences, University of SalzburgSalzburg, Austria, Technical Report 2011-05, Nov. 2011, Available at http://www.cosy.sbg.ac.at/tr.
  36. [Rathgeb11f  ] Reliability-balanced Feature Level Fusion for Fuzzy Commitment Scheme (Best Poster Paper Award) Christian Rathgeb, Andreas Uhl, Peter Wild In Proceedings of the International Joint Conference on Biometrics (IJCB'11), pp. 1-7, Washington DC, DC, USA, October 10 - 13, 2011
  37. [Jenisch11a  ] Security Analysis of a Cancelable Iris Recognition System Based on Block Remapping Stefan Jenisch, Andreas Uhl In Proceedings of the IEEE International Conference on Image Processing, ICIP'11, pp. 3274-3277, Brussels, Belgium, September 11 - 14, 2011
  38. [Haemmerle11d ] Multiple blind re-watermarking with quantisation-based embedding Jutta Hämmerle-Uhl, Christian Koidl, Andreas Uhl In Proceedings of the IEEE International Conference on Image Processing, ICIP '11, pp. 269-272, Brussels, Belgium, September 11 - 14, 2011
  39. [Horvath11c ] Experimental study on lossless compression of biometric iris data Kurt Horvath, Herbert Stögner, Andreas Uhl, Georg Weinhandel In Proceedings of the 7th International Symposium on Image and Signal Processing (ISPA 2011), pp. 379-384, Dubrovnik, Croatia, September 4 - 6, 2011
  40. [Rathgeb11d  ] Statistical Attack against Iris-Biometric Fuzzy Commitment Schemes Christian Rathgeb, Andreas Uhl In Proceedings of the IEEE Computer Society and IEEE Biometrics Council Workshop on Biometrics (CVPRW'11), pp. 25-32, Colorado Springs, CO, USA, June 20 - 24, 2011
  41. [Rathgeb11a  ] Shifting Score Fusion: On Exploiting Shifting Variation in Iris Recognition Christian Rathgeb, Andreas Uhl, Peter Wild In Proceedings of the 26th ACM Symposium on Applied Computing (SAC'11), pp. 1-5, TaiChung, Taiwan, March 21 - 24, 2011
  42. [Rathgeb11b  ] On Combining Selective Best Bits of Iris-Codes Christian Rathgeb, Andreas Uhl, Peter Wild In C. Vielhauer, J. Dittmann, A. Drygajlo, M. Fairhust, editors, Proceedings of the Biometrics and ID Management Workshop (BioID'11), pp. 227-237, Brandenburg on the Havel, Germany, Springer LNCS, 6583, March 8 - 10, 2011
  43. [Stuetz11c ] Format-Specific Multimedia Encryption Thomas Stütz PhD thesis, University of Salzburg, Salzburg, Austria, March 2011
  44. [Kwitt10c   ] Lightweight Detection of Additive Watermarking in the DWT-Domain R. Kwitt, P. Meerwald, A. Uhl IEEE Transactions on Image Processing 20:2, pp. 474-484, Feb. 2011
  45. [Haemmerle11a ] Attack against Robust Watermarking-Based Multimodal Biometric Recognition Systems J. Hämmerle-Uhl, K. Raab, A. Uhl In C. Vielhauer et al., editor, Proceedings of the 2011 BioID Workshop, pp. 25-36, Brandenburg, Germany, Springer LNCS, 6583, March, 2010, 2011
  46. [Haemmerle11b ] Watermarking as a Means to Enhance Biometric Systems: A Critical Survey J. Hämmerle-Uhl, K. Raab, A. Uhl In T. Filler, T. Pevny, S. Craver, A. Ker, editors, Proceedings of the 2011 Information Hiding Conference (IH'11), pp. 238-254, Prague, Czech Republic, Springer LNCS, 6958, May, 2011
  47. [Haemmerle11c ] Robust watermarking in iris recognition: application scenarios and impact on recognition performance J. Hämmerle-Uhl, K. Raab, A. Uhl ACM SIGAPP Applied Computing Review 11:3, pp. 6-18, 2011
  48. [Horvath11a ] Lossless Compression of Polar Iris Image Data Kurt Horvath, Herbert Stögner, Andreas Uhl, Georg Weinhandel In J. Vitria, J. M. Sanches, M. Hernandez, editors, Proceedings of the 5th Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2011), pp. 329-337, LNCS, 6669, Springer Verlag, 2011
  49. [Horvath11b ] Effects of JPEG XR Compression Settings on Iris Recognition Systems Kurt Horvath, Herbert Stögner, Andreas Uhl In P. Real, D. Diaz-Pernil, H. Molina-Abril, A. Berciano, W. Kropatsch, editors, Proceedings of the 14th International Conference on Computer Analysis of Images and Patterns (CAIP 2011), pp. 73-80, LNCS, 6855, Springer Verlag, 2011
  50. [Huber11a ] Semi-fragile watermarking in biometric systems: template self-embedding Reinhard Huber, Herbert Stögner, Andreas Uhl In P. Real, D. Diaz-Pernil, H. Molina-Abril, A. Berciano, W. Kropatsch, editors, Proceedings of the 14th International Conference on Computer Analysis of Images and Patterns (CAIP 2011), pp. 34-41, LNCS, 6855, Springer Verlag, 2011
  51. [Huber11b ] Two-factor biometric recognition with integrated tamper-protection watermarking Reinhard Huber, Herbert Stögner, Andreas Uhl In B. DeDecker, J. Lapon, V. Naessens, A. Uhl, editors, Proceedings of the 12th IFIP TC6/TC11 International Conference on Communications and Multimedia Security (CMS 2011), pp. 72-84, LNCS, 7025, Springer Verlag, 2011
  52. [Stoegner11a ] Experiments on Improving Lossless Compression of Biometric Iris Sample Data Herbert Stögner, Andreas Uhl, Georg Weinhandel In B. Zovko-Cihlar, N. Behlilovic, M. Hadzialic, editors, Proceedings of the 18th International Conference on Systems, Signals and Image Processing (IWSSIP'11), pp. 217-220, 2011
  53. [Rathgeb11c  ] The State-of-the-Art in Iris Biometric Cryptosystems Christian Rathgeb, Andreas Uhl In J. Yang, L. Nanni, editors, State of the art in Biometrics, pp. 179-202, InTech, 2011
  54. [Rathgeb11e   ] A Survey on Biometric Cryptosystems and Cancelable Biometrics Christian Rathgeb, Andreas Uhl EURASIP Journal on Information Security 2011:3, Springer Verlag, 2011
  55. [Rathgeb11g ] Context-based Biometric Key-Generation for Iris Christian Rathgeb, Andreas Uhl IET Computer Vision (Special Issue on Future Trends in Biometric Processing) 5, pp. 389-397, IET, 2011
  56. [Hellwagner11a   ] Secure Transport and Adaptation of MC-EZBC Video Utilizing H.264-based Transport Protocols Hermann Hellwagner, Heinz Hofbauer, Robert Kuschnig, Thomas Stütz, Andreas Uhl Elsevier Journal on Signal Processing: Image Communication 27:2, pp. 192-207, 2011
  57. [Stuetz10f  ] Best Wavelet Packet Bases in a JPEG2000 Rate-Distortion Sense Thomas Stütz, Bernhard Mühlbacher, Andreas Uhl Dept. of Computer Sciences, University of SalzburgSalzburg, Austria, Technical Report 2010-11, Dec. 2010
  58. [Engel10a  ] Analysis of JPEG2000 Encryption with Key-Dependent Wavelet Packet Subband Structures Dominik Engel, Thomas Stütz, Andreas Uhl Dept. of Computer Sciences, University of SalzburgSalzburg, Austria, Technical Report 2010-09, Dec. 2010
  59. [Stuetz10e  ] A Survey of H.264 Encryption Thomas Stütz, Andreas Uhl Dept. of Computer Sciences, University of SalzburgSalzburg, Austria, Technical Report 2010-10, Dec. 2010
  60. [Meerwald10b  ] Robust watermarking of H.264-encoded video: Extension to SVC Peter Meerwald, Andreas Uhl In Proceedings of the Sixth International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP '10, pp. 82-85, Darmstadt, Germany, October 15 - 17, 2010
  61. [Meerwald10e  ] Robust watermarking of H.264/SVC-encoded video: quality and resolution scalability Peter Meerwald, Andreas Uhl In H.-J. Kim, Y. Shi, M. Barni, editors, Proceedings of the 9th International Workshop on Digital Watermarking, IWDW '10, pp. 159-169, Seoul, Korea, Lecture Notes in Computer Science, 6526, Springer, October 1 - 3, 2010
  62. [Rathgeb10h  ] Incremental Iris Recognition: A Single-algorithm Serial Fusion Strategy to Optimize Time Complexity Christian Rathgeb, Andreas Uhl, Peter Wild In Proceedings of the 4th IEEE International Conference on Biometrics: Theory, Application, and Systems 2010 (IEEE BTAS'10), pp. 1-6, Washington DC, DC, USA, IEEE Press, September 27 - 29, 2010
  63. [Meerwald10c  ] Watermark Detection on Quantized Transform Coefficients using Product Bernoulli Distributions Peter Meerwald, Andreas Uhl In Proceedings of the ACM Multimedia and Security Workshop, MM&Sec '10, pp. 175-180, Rome, Italy, September 9 - 10, 2010
  64. [Stuetz10d  ] Subjective and Objective Quality Assessment of Transparently Encrypted JPEG2000 Images Thomas Stütz, Vinod Pankajakshan, Florent Autrusseau, Andreas Uhl, Heinz Hofbauer In Proceedings of the ACM Multimedia and Security Workshop (MMSEC '10), pp. 247-252, Rome, Italy, ACM, September 9 - 10, 2010
  65. [Hofbauer10b  ] Selective Encryption of the MC-EZBC Bitstream and Residual Information Heinz Hofbauer, Andreas Uhl In 18th European Signal Processing Conference, 2010 (EUSIPCO-2010), pp. 2101-2105, Aalborg, Denmark, August 23 - 27, 2009, 2010
  66. [Stuetz10c  ] (In)secure Multimedia Transmission over RTP Thomas Stütz, Andreas Uhl In Proceedings of the 18th European Signal Processing Conference, EUSIPCO '10Aarlborg, Danmark, EURASIP, August 23 - 27, 2010
  67. [Muehlbacher10a ] JPEG2000 Part 2 wavelet packet subband structures in fingerprint recognition B. Mühlbacher, T. Stütz, A. Uhl In P. Frossard, H. Li, F. Wu, B. Girod, S. Li, G. Wei, editors, Visual Communications and Image Processing 2010 (VCIP'10), pp. 77442C-1-77442C-10, Huang Shan, China, Proceedings of SPIE, 7744, SPIE, July 2010
  68. [Huber10a  ] Watermarking of 2D Vector Graphics with Distortion Constraint S. Huber, R. Kwitt, P. Meerwald, M. Held, A. Uhl In Proceedings of the IEEE International Conference on Multimedia & Expo (ICME '10), pp. 480-485, Singapore, July 19 - 23, 2010
  69. [Stuetz10b  ] Best Wavelet Packet Bases in a JPEG2000 Rate-Distortion Sense: The Impact of Header Data Thomas Stütz, Bernhard Mühlbacher, Andreas Uhl In Proceedings of the IEEE International Conference on Multimedia & Expo, ICME '10, pp. 19-24, Singapore, IEEE, July 19 - 23, 2010
  70. [Hofbauer10a  ] Visual Quality Indices and Low Quality Images Heinz Hofbauer, Andreas Uhl In IEEE 2nd European Workshop on Visual Information Processing, pp. 171-176, Paris, France, July 5-7,2010
  71. [Rathgeb10c  ] Secure Iris Recognition based on Local Intensity Variations Christian Rathgeb, Andreas Uhl In Proceedings of the International Conference on Image Analysis and Recognition (ICIAR'10), pp. 266-275, Povoa de Varzim, Portugal, Springer LNCS, 6112, June 21 - 23, 2010
  72. [Rathgeb10d  ] Two-Factor Authentication or How to Potentially Counterfeit Experimental Results in Biometric Systems Christian Rathgeb, Andreas Uhl In Proceedings of the International Conference on Image Analysis and Recognition (ICIAR'10), pp. 296-305, Povoa de Varzim, Portugal, Springer LNCS, 6112, June 21 - 23, 2010
  73. [Meerwald10d  ] Digital Watermarking in Visual Multimedia Content Peter Meerwald PhD thesis, University of Salzburg, Salzburg, Austria, June 2010
  74. [Rathgeb10b  ] Privacy Preserving Key Generation for Iris Biometrics Christian Rathgeb, Andreas Uhl In B. De Decker, I. Schaumüller-Bichl, editors, Proceedings of the 11th Joint IFIP TC6 and TC11 Conference on Communications and Multimedia Security, CMS '10, pp. 191-200, Linz, Austria, IFIP Advances in Information and Communication Technology, Springer LNCS, 6102, May 31 - June 2, 2010
  75. [Meerwald10a  ] Watermark detection for video bookmarking using mobile phone camera Peter Meerwald, Andreas Uhl In B. De Decker, I. Schaumüller-Bichl, editors, Proceedings of the 11th Joint IFIP TC6 and TC11 Conference on Communications and Multimedia Security, CMS '10, pp. 64-74, Linz, Austria, Lecture Notes in Computer Science, 6109, Springer, May 31 - June 2, 2010
  76. [Stuetz10a  ] Efficient Format-Compliant Encryption of Regular Languages: Block-Based Cycle-Walking Thomas Stütz, Andreas Uhl In B. De Decker, I. Schaumüller-Bichl, editors, Proceedings of the 11th Joint IFIP TC6 and TC11 Conference on Communications and Multimedia Security, CMS '10, pp. 81-92, Linz, Austria, IFIP Advances in Information and Communication Technology, 6109, Springer, May 31 - June 2, 2010
  77. [Kwitt10a  ] Lightweight Detection of Additive Watermarking in the DWT--Domain R. Kwitt, P. Meerwald, A. Uhl Dept. of Computer Sciences, University of SalzburgSalzburg, Austria, Technical Report 2010-04, May 2010, Available at http://www.cosy.sbg.ac.at/tr.
  78. [Kwitt09d ] Blind Detection of Additive Spread-Spectrum Watermarking in the Dual-Tree Complex Wavelet Domain R. Kwitt, P. Meerwald, A. Uhl International Journal of Digital Crime and Forensics 2:2, pp. 34-46, IGI Global, April 2010
  79. [Rathgeb10a  ] Context-based Template Matching in Iris Recognition Christian Rathgeb, Andreas Uhl In Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'10), pp. 842-845, Dallas, TX, USA, March 14 - 19, 2010
  80. [Meerwald09e  ] Watermarking of raw digital images in camera firmware and detection Peter Meerwald, Andreas Uhl IPSJ Transactions on Computer Vision and Applications 2, pp. 16-24, IPSJ, March 2010
  81. [Haemmerle10a ] Experimental Study on the Impact of Robust Watermarking on Iris Recognition Accuracy (Best Paper Award, Applications Track) J. Hämmerle-Uhl, K. Raab, A. Uhl In Proceedings of the 25th ACM Symposium on Applied Computing, pp. 1479-1484, 2010
  82. [Faerberboeck10a ] Transforming Rectangular and Polar Iris Images to Enable Cancelable Biometrics Peter Färberböck, Jutta Hämmerle-Uhl, Dominik Kaaser, Elias Pschernig, Andreas Uhl In Proceedings of the International Conference on Image Analysis and Recognition (ICIAR'10), pp. 276-386, Povoa de Varzim, Portugal, Springer LNCS, 6112, June 21 - 23, 2010
  83. [Rathgeb10e  ] Attacking Iris Recognition: An Effcient Hill-Climbing Technique Christian Rathgeb, Andreas Uhl In Proceedings of the 20th International Conference on Pattern Recognition (ICPR'10), pp. 1217-1220, Istanbul, Turkey, August 23 - 26, 2010
  84. [Rathgeb10i  ] Bit Reliability-driven Template Matching in Iris Recognition Christian Rathgeb, Andreas Uhl In Proceedings of the 4th Pacific-Rim Symposium on Image and Video Technology, pp. 70-75, Singapore, November 14 - 17, 2010
  85. [Rathgeb10f  ] Iris-Biometric Hash Generation for Biometric Database Indexing Christian Rathgeb, Andreas Uhl In Proceedings of the 20th International Conference on Pattern Recognition (ICPR'10), pp. 2848-2851, Istanbul, Turkey, August 23 - 26, 2010
  86. [Rathgeb10g  ] Adaptive Fuzzy Commitment Scheme based on Iris-Code Error Analysis (Second Best Student Paper Award) Christian Rathgeb, Andreas Uhl In Proceedings of the 2nd European Workshop on Visual Information Processing (EUVIP'10), pp. 41-44, Paris, France, July 5 - 7, 2010
  87. [Rathgeb09c  ] Context-based Texture Analysis for Secure Revocable Iris-Biometric Key Generation Christian Rathgeb, Andreas Uhl In Proceedings of the 3rd International Conference on Imaging for Crime Detection and Prevention, ICDP '09London, UK, December 3rd, 2009
  88. [Kwitt09e  ] Color-Image Watermarking using Multivariate Power-Exponential Distribution R. Kwitt, P. Meerwald, A. Uhl In Proceedings of the IEEE International Conference on Image Processing (ICIP '09), pp. 4245-4248, Cairo, Egypt, November 7 - 11, 2009
  89. [Hofbauer09b  ] The Cost of In-Network Adaption of the MC-EZBC for Universal Multimedia Access Heinz Hofbauer, Andreas Uhl In Proceedings of the 6th International Symposium on Image and Signal Processing and Analysis (ISPA '09)Salzburg, Austria, September 16 - 18, 2009
  90. [Konrad09b ] Evolutionary Optimization of JPEG Quantization Tables for Compressing Iris Polar Images in Iris Recognition Systems Mario Konrad, Herbert Stögner, Andreas Uhl In Proceedings of the 6th International Symposium on Image and Signal Processing and Analysis, ISPA '09Salzburg, Austria, September 16 - 18, 2009
  91. [Weinhandel09a ] Experimental Study on Lossless Compression of Biometric Sample Data Georg Weinhandel, Herbert Stögner, Andreas Uhl In Proceedings of the 6th International Symposium on Image and Signal Processing and Analysis, ISPA '09Salzburg, Austria, September 16 - 18, 2009
  92. [Rathgeb09b  ] An Iris-Based Interval-Mapping Scheme for Biometric Key Generation Christian Rathgeb, Andreas Uhl In Proceedings of the 6th International Symposium on Image and Signal Processing and Analysis, ISPA '09Salzburg, Austria, September 16 - 18, 2009
  93. [Meerwald09c  ] Targeted Attacks on Quantization-based Watermarking Schemes Peter Meerwald, Christian Koidl, Andreas Uhl In Proceedings of the 6th International Symposium on Image and Signal Processing and Analysis, ISPA '09, pp. 465-470, Salzburg, Austria, September 16 - 18, 2009
  94. [Meerwald09d  ] Additive spread-spectrum watermark detection in demosaicked images Peter Meerwald, Andreas Uhl In Proceedings of the ACM Multimedia and Security Workshop, MMSEC '09, pp. 25-32, Princeton, NJ, USA, ACM, September 7 - 8, 2009
  95. [Hofbauer09a  ] Selective Encryption of the MC EZBC Bitstream for DRM Scenarios Heinz Hofbauer, Andreas Uhl In Proceedings of the 11th ACM Workshop on Multimedia and Security, pp. 161-170, Princeton, New Jersey, USA, ACM, September 7 - 8, 2008, 2009
  96. [Meerwald09b  ] Attack on 'Watermarking Method Based on Significant Difference of Wavelet Coefficient Quantization' Peter Meerwald, Christian Koidl, Andreas Uhl IEEE Transactions on Multimedia 11:5, pp. 1037-1041, IEEE, Aug. 2009
  97. [Kwitt09b  ] Efficient Detection of Additive Watermarking in the DWT-Domain R. Kwitt, P. Meerwald, A. Uhl In Proceedings of the 17th European Signal Processing Conference (EUSIPCO '09), pp. 2072-2076, Glasgow, UK, August 24 - 28, 2009
  98. [Schuchter09b ] Block Selective Motion Estimation for Low-Complexity Video Coding Arthur Schuchter, Andreas Uhl In Proceedings of the 16th International Conference on Digital Signal Processing (DSP '09)Santorini, Greece, July 5 - 7, 2009
  99. [Hellwagner09a  ] Efficient In-Network Adaptation of Encrypted H.264/SVC Content Hermann Hellwagner, Robert Kuschnig, Thomas Stütz, Andreas Uhl Elsevier Journal on Signal Processing: Image Communication 24:9, pp. 740-758, July 2009
  100. [Kwitt09a  ] Blind DT-CWT Domain Additive Spread-Spectrum Watermark Detection R. Kwitt, P. Meerwald, A. Uhl In Proceedings of the 16th International Conference on Digital Signal Processing (DSP '09)Santorini, Greece, July 5 - 7, 2009
  101. [Rathgeb09a  ] Systematic construction of iris-based fuzzy commitment schemes Christian Rathgeb, Andreas Uhl In M. Tistarelli, M.S. Nixon, editors, Proceedings of the 3rd International Conference on Biometrics 2009 (ICB'09), pp. 940-949, Alghero, Italy, LNCS, 5558, Springer Verlag, June 2 - 5, 2009
  102. [Schuchter09c ] Differential Frame Analysis And Selective Motion Estimation Approach for An Inter-Frame JPEG2000 Video Coding System Arthur Schuchter, Andreas Uhl In Stereology and Image Analysis -- ECS10: Proceedings of the 10th European Congress of ISS, pp. 415-420, Milano, Italy, June 2009
  103. [Kostmajer09a ] Custom JPEG Quantization for Improved Iris Recognition Accuracy G.S. Kostmajer, H. Stögner, A. Uhl In D. Gritzalis, J. Lopez, editors, Emerging Challenges for Security, Privacy and Trust. Proceedings of the 24th IFIP International Information Security Conference 2009 (IFIP SEC'09), pp. 76-86, IFIP AICT, 297, Springer Verlag, May 2009
  104. [Fuhrmann09a ] Usefulness of retina codes in biometrics Thomas Fuhrmann, Jutta Hämmerle-Uhl, Andreas Uhl In Advances in Image and Video Technology: Proceedings of the 3rd Pacific-Rim Symposium on Image and Video Technology, PSIVT '09, pp. 624-632, Tokyo, Japan, Lecture Notes in Computer Science, 5414, Springer, January 13 - 16, 2009
  105. [Schuchter09a ] A Wavelet Filter Evaluation for an Inter-Frame JPEG2000 Adaptive Video Coding System Arthur Schuchter, Andreas Uhl Department of Computer Sciences, University of Salzburg, Austria, Technical Report 2009-01, Jan. 2009
  106. [Stuetz09a  ] On JPEG2000 Error Concealment Attacks Thomas Stütz, Andreas Uhl In Advantages in Image and Video Technology: Proceedings of the 3rd Pacific-Rim Symposium on Image and Video Technology, PSIVT '09, pp. 851-861, Tokyo, Japan, Lecture Notes in Computer Science, Springer, January 13 - 16, 2009
  107. [Meerwald09a  ] Watermarking of raw digital images in camera firmware: embedding and detection Peter Meerwald, Andreas Uhl In Advances in Image and Video Technology: Proceedings of the 3rd Pacific-Rim Symposium on Image and Video Technology, PSIVT '09, pp. 340-348, Tokyo, Japan, Lecture Notes in Computer Science, 5414, Springer, January 13 - 16, 2009
  108. [Engel09a   ] A survey on JPEG2000 encryption Dominik Engel, Thomas Stütz, Andreas Uhl Multimedia Systems 15:4, pp. 243-270, Springer-Verlag, 2009
  109. [Haemmerle09a ] Improving compressed iris recognition accuracy using JPEG2000 RoI coding J. Hämmerle-Uhl, C. Prähauser, T. Starzacher, A. Uhl In M. Tistarelli, M.S. Nixon, editors, Proceedings of the 3rd International Conference on Biometrics 2009 (ICB'09), pp. 1102-1111, LNCS, 5558, Springer Verlag, 2009
  110. [Haemmerle09b ] Cancelable iris Biometrics using Block Re-mapping and Image Warping J. Hämmerle-Uhl, E. Pschernig, A. Uhl In P. Samarati, M. Yung, F. Martinelli, C.A. Ardagna, editors, Proceedings of the 12th International Information Security Conference (ISC'09), pp. 135-142, LNCS, 5735, Springer Verlag, 2009
  111. [Konrad09a ] Custom Design of JPEG quantization tables for compressing iris polar images to improve recognition accuracy Mario Konrad, Herbert Stögner, Andreas Uhl In M. Tistarelli, M.S. Nixon, editors, Proceedings of the 3rd International Conference on Biometrics 2009 (ICB'09), pp. 1091-1101, LNCS, 5558, Springer Verlag, 2009
  112. [Schuchter09d ] Embedded hardware low cost JPEG2000 video coding system: Hardware coder for surveillance type videos Arthur Schuchter, Andreas Uhl Journal of Real-Time Image Processing, pp. DOI: 10.1007/s11554-009-0131-3, 2009
  113. [Autrusseau09a ] DT-CWT versus DWT watermark embedding Florent Autrusseau, Peter Meerwald 2009, Subjective quality assessment experiment; available at http://www.irccyn.ec-nantes.fr/~autrusse/Databases/MeerwaldDB/.
  114. [Stuetz08a  ] Format-Compliant Encryption of H.264/AVC and SVC Thomas Stütz, Andreas Uhl In Proceedings of the Eighth IEEE International Symposium on Multimedia (ISM'08), pp. 446-451, Berkeley, CA, USA, IEEE Computer Society, Dec. 2008
  115. [Meerwald08c  ] Scalability evaluation of blind spread-spectrum image watermarking Peter Meerwald, Andreas Uhl In Proceedings of the 7th International Workshop on Digital Watermarking, IWDW '08, pp. 61-75, Busan, South Korea, Lecture Notes in Computer Science, 5450, Springer, November 10 - 12, 2008
  116. [Kwitt08e  ] A Lightweight Rao-Cauchy Detector for Additive Watermarking in the DWT-Domain R. Kwitt, P. Meerwald, A. Uhl In Proceedings of the ACM Multimedia and Security Workshop (MMSEC '08), pp. 33-41, Oxford, UK, September 22 - 23, 2008
  117. [Haemmerle08c ] Multiple Re-Watermarking using Varying non-stationary MRA with parametrized wavelet filters Jutta Hämmerle-Uhl, Andreas Uhl, Hartmut Wernisch In Proceedings of the ACM Multimedia and Security Workshop, MMSEC '08, pp. 63-68, Oxford, UK, ACM, September 22 - 23, 2008
  118. [Haemmerle08a  ] Multiple Re-Watermarking using varying wavelet packets Jutta Hämmerle-Uhl, Michael Liedlgruber, Andreas Uhl, Hartmut Wernisch In Proceedings of the 2008 IEEE Conference on Multimedia & Expo, ICME '08, pp. 213-216, Hannover, Germany, June 23 - 26, 2008
  119. [Meerwald08b  ] Blind motion-compensated video watermarking Peter Meerwald, Andreas Uhl In Proceedings of the 2008 IEEE Conference on Multimedia & Expo, ICME '08, pp. 357-360, Hannover, Germany, June 23 - 26, 2008
  120. [Gschwandtner08a ] Toward DRM for 3D geometry data Michael Gschwandtner, Andreas Uhl In Edward J. Delp III, Ping Wah Wong, Jana Dittmann, Nasir D. Memon, editors, Proceedings of SPIE, Security, Forensics, Steganography, and Watermarking of Multimedia Contents X, pp. 68190V ff., San Jose, CA, USA, 6819, SPIE, January 27 - 31, 2008
  121. [Jenisch08a ] Comparison of compression algorithms' impact on iris recognition accuracy II: revisiting JPEG Stefan Jenisch, Stefan Lukesch, Andreas Uhl In Proceedings of SPIE, Security, Forensics, Steganography, and Watermarking of Multimedia Contents X, pp. 68190M ff., San Jose, CA, USA, 6819, January 27 - 31, 2008
  122. [Meerwald08a  ] Toward robust watermarking of scalable video Peter Meerwald, Andreas Uhl In Proceedings of SPIE, Security, Forensics, Steganography, and Watermarking of Multimedia Contents X, pp. 68190J ff., San Jose, CA, USA, 6819, January 27 - 31, 2008
  123. [Rathgeb08a  ] Iris-Based Biometric Cryptosystems Christian Rathgeb Master thesis, Department of Computer Sciences, University of Salzburg, Austria, November, 2008
  124. [Engel07f  ] Efficient Transparent JPEG2000 Encryption With Format-Compliant Header Protection Dominik Engel, Thomas Stütz, Andreas Uhl In Proceedings of IEEE International Conference on Signal Processing and Communications, ICSPC '07, pp. 1067-1070, Dubai, UAE, IEEE, Nov. 2007
  125. [Eder07a  ] JPEG2000-based Scalable Video Coding with MCTF Peter Eder, Dominik Engel, Andreas Uhl Department of Computer Sciences, University of Salzburg, Austria, Technical Report 2007-04, Oct. 2007
  126. [Schuchter07b ] Embedded Low Complexity JPEG2000 Videocoding System A. Schuchter, A. Uhl In Proceedings of the 2007 IEEE/ACM/IFIP Workshop on Embedded Systems for Real-Time Multimedia (ESTImedia), pp. 77-82, Salzburg, Austria, IEEE Press, Oct. 2007
  127. [Engel07d  ] An Attack Against Image-based Selective Bitplane Encryption Dominik Engel, Andreas Uhl In Proceedings of the IEEE International Conference on Image Processing, ICIP '07, pp. 141-144, San Antonio, TX, USA, II, IEEE, Sep. 2007
  128. [Engel07e   ] Format-Compliant JPEG2000 Encryption With Combined Packet Header and Packet Body Protection Dominik Engel, Thomas Stütz, Andreas Uhl In Proceedings of ACM Multimedia and Security Workshop, MM-SEC '07, pp. 87-95, New York, NY, USA, ACM Press, Sep. 2007
  129. [Stuetz07b   ] On Efficient Transparent JPEG2000 Encryption Thomas Stütz, Andreas Uhl In Proceedings of ACM Multimedia and Security Workshop, MM-SEC '07, pp. 97-108, New York, NY, USA, ACM, Sep. 2007
  130. [Mascher07a ] Comparison of compression algorithms' impact on fingerprint and face recognition accuracy A. Mascher-Kampfer, H. Stögner, A. Uhl In C.W. Chen, D. Schonfeld, J. Luo, editors, Visual Communications and Image Processing 2007 (VCIP'07), pp. 650810-1-65050N-10, San Jose, CA, USA, Proceedings of SPIE, 6508, SPIE, Jan. 2007
  131. [Schuchter07a ] Hardware-based JPEG2000 video coding system A. Schuchter, A. Uhl In N. Kehtarnavaz, M.F. Carlsohn, editors, Real-Time Image Processing 2007, pp. 64960G-1-64960G-10, San Jose, CA, USA, Proceedings of SPIE, 6496, SPIE, Jan. 2007
  132. [Engel07b   ] Format-compliant JPEG2000 Encryption in JPSEC: Security, Applicability and the Impact of Compression Parameters Dominik Engel, Thomas Stütz, Andreas Uhl EURASIP Journal on Information Security 2007:Article ID 94565, pp. 20 pages, Hindawi Publishing Corporation, 2007
  133. [Matschitsch07a ] Comparison of Compression Algorithms' Impact on Iris Recognition Accuracy S. Matschitsch, M. Tschinder, A. Uhl In S.-W. Lee, S.Z. Li, editors, Proceedings of the 2nd International Conference on Biometrics 2007 (ICB'07), pp. 232-241, LNCS, 4642, Springer Verlag, 2007
  134. [Stuetz07a ] Evaluation of compression codecs and selective encryption schemes for GVid Thomas Stütz, Andreas Uhl In J. Volkert, T. Fahringer, D. Kranzlmüller, W. Schreiner, editors, Proceedings of the 2nd Austrian Grid Symposium, pp. 28-41, Innsbruck, Austria, books@ocg.at, 221, Austrian Computer Society, 2007
  135. [Uhl06a ] On the significance of the zerotree hypothesis for wavelet-based image coding A. Uhl In Johannes R. Sveinsson, editor, Proceedings of the 7th Nordic Signal Processing Symposium (NORSIG 2006), pp. 166-169, Reykavik, Iceland, IEEE, June 2006
  136. [Schuchter06a ] Low Cost JPEG2000 Based Video Coding System A. Schuchter, A. Uhl In Y. He, J. Ostermann, S.U. Lee, J. Chen, editors, Proceedings of the International Picture Coding Symposium (PCS'06), April 2006
  137. [Stuetz06b  ] Securing Scalable Visual Data in a Grid Environment Thomas Stütz Master thesis, University of Salzburg, Department of Computer Sciences, March 2006