Publications

Patents and patent applications

• Igor Fischer: Authorization method with hints to the authorization code. Patent US 8561174 B2. .
• Igor Fischer and Thorsten Herfet: Verfahren und Vorrichtung zum Überprüfen einer sicheren Übermittlung eines bereitgestellten Dokumentes an ein Datenschutzmodul sowie Verfahren und Vorrichtung zum sicheren Überprüfen einer Authentizität eines empfangenen geschützten Dokumentes. Patent No. DE 10 2005 058 275 B4 .

Peer-reviewed publications

• Kamp MA, Fischer I, Bühner J, Turowski B, Cornelius JF, Steiger HJ, Rapp M, Slotty PJ, Sabel M: 5-ALA fluorescence of cerebral metastases and its impact for the local-in-brain progression. Oncotarget. 2016 Aug 22. doi: 10.18632/oncotarget.11488.
• Cornelius JF, Kürten K, Fischer I, Hänggi D, Steiger HJ.: Quality of life after surgery for cerebral cavernoma: brainstem versus non-brainstem location. World Neurosurg. 2016 Aug 16. pii: S1878-8750(16)30680-5. doi: 10.1016/j.wneu.2016.08.014.
• Petridis AK, Fischer I, Cornelius JF, Kamp MA, Ringel F, Tortora A, Steiger HJ.: Demographic distribution of hospital admissions for brain arteriovenous malformations in Germany–estimation of the natural course with the big-data approach. Acta Neurochir (Wien). 2016 Apr;158(4):791-6. doi: 10.1007/s00701-016-2727-2..
• Steiger HJ, Fischer I, Rohn B, Turowski B, Etminan N, Hänggi D: Response to the Letter to the Editor Surgery for high-grade unruptured arteriovenous malformations: era for a new paradox? by Bervini and Morgan. Acta Neurochir (Wien). 2015 Oct;157(10):1657.
• Steiger HJ, Fischer I, Rohn B, Turowski B, Etminan N, Hänggi D: Microsurgical resection of Spetzler-Martin grades 1 and 2 unruptured brain arteriovenous malformations results in lower long-term morbidity and loss of quality-adjusted life-years (QALY) than conservative management--results of a single group series.. Acta Neurochir (Wien). 2015 Sep;157(8):1279-87.
• Bostelmann R, Schneller S, Cornelius JF, Steiger HJ, Fischer I: A new possibility to assess the perioperative walking capacity using a global positioning system in neurosurgical spine patients: a feasibility study. Eur Spine J. 2015 Apr 9.
• Fischer I, Gick S, Steiger HJ: Reply to: accelerometer-based goniometer for smartphone and manual measurement on photographs: do they agree?. Biomed Tech (Berl). 2014 Dec;59(6):551-2.
• I. Fischer, M. Fischer, S.J. Groiss, L. Wojtecki, H.-J. Steiger, J. Vesper: Tremor and Stimulation Current in DBS: Intraoperative Analysis Using Accelerometer-Equipped Smartphone. Biomed Tech 2014; 59 (s1) Walter de Gruyter, Berlin & Boston.
• Fischer I, Gick S, Steiger HJ.: Monitoring Recovery after Elbow Surgery Using Smartphone. Biomed Tech (Berl). 2013 Sep 7.
• Igor Fischer and Thorsten Herfet: Watermarks and Text Transformations in Visual Document Authentication. Journal of Computers Vol.2, No. 5, pp. 44-53, 2007.
• Igor Fischer and Thorsten Herfet: Visually Authenticated Communication. 8th International Symposium On Systems and Information Security (SSI 2006), Sao Jose dos Campos, Sao Paulo, Brazil, November 08-10, 2006
• Igor Fischer and Thorsten Herfet: Visual CAPTCHAs for Document Authentication. 8th IEEE International Workshop on Multimedia Signal Processing (MMSP 2006), pp. 471-474, Victoria, BC, Canada, 2006.
• Igor Fischer and Thorsten Herfet: Visual Document Authentication Using Human-Recognizable Watermarks. In G. M�ller (Editor), Emerging Trends in Information and Communication Security, LNCS 3995, pp. 509-521, 2006.
• Igor Fischer and Jan Poland: Amplifying the Block Matrix Structure for Spectral Clustering. In M. van Otterlo et al. (Editors), Proceedings of the 14th Annual Machine Learning Conference of Belgium and the Netherlands, pp. 21-28, 2005. [data & code]
• M. Schmollinger, I. Fischer, C. Nerz, S. Pinkenburg, F.G�tz, M. Kaufmann, K.-J. Lange, R Reuter, W. Rosenstiel, and A. Zell: ParSeq: searching motifs with structural and biochemical properties. Bioinformatics 20(9) pp. 1459-1461, 2004.
• Igor Fischer: Pattern Recognition Algorithms for Symbol Strings. Ph.D. thesis at the Eberhard-Karls-Universit�t T�bingen, Logos Verlag Berlin, 2004, ISBN 3-8325-0557-1.
• Igor Fischer and Andreas Zell: A simple management tool for medium-sized Web sites. In: E.V. Munson and P.R. King (Editors), Digital Documents: Systems and Principles, LNCS 2023, pp. 77-90, 2004. Springer-Verlag Berlin Heidelberg 2004.
• Igor Fischer: Similarity-based neural networks for applications in computational molecular biology. In: M.R. Berthold et al. (Editors), Advances in Inteligent Data Analysis V, LNCS 2810, pp. 208-218, 2003. Springer-Verlag Berlin Heidelberg 2003.
• Igor Fischer: Similarity-preserving Metrics for Amino-acid Sequences Poster at the 22nd GIF Meeting on Challenges in Genomic Research: Neurodegenerative Diseases, Stem Cells, Bioethics, Heidelberg 2002.
• Igor Fischer and Andreas Zell: Processing Symbolic Data With Self-Organizing Maps. In: H.-M. Gro�, K. Debes, H.-J. B�hme (Hrsg.), Workshop SOAVE '2000 - Selbstorganisation von Adaptivem Verhalten 2000, VDI Reihe 10, Nr. 643, pp. 96-105.
• I. Fischer, S. Wiest, and A. Zell: An example of generating Internet-based course material. In: D. Kalpic, V. Dobric (Eds.), Proceedings of the 22nd Intl. Conf. Information Technology Interfaces ITI 2000, pp. 229-234.
• Igor Fischer and Andreas Zell: String Averages and Self-Organizing Maps for Strings. In: H. Bothe, R. Rojas (Eds.), Proceedings of the Second ICSC Symposium on Neural Computation - NC'2000, ICSC Academic Press, Canada/Switzerland, pp. 208-215.
• Igor Fischer and Andreas Zell: Visualization of Neural Networks Using Java Applets. In: M. Hoffmann (Ed.), "Innovations in Education for Electrical and Information Engineering (EIE)", Proceedings of the 11th annual conference of the EAEEIE, 2000, pp. 71-76.

© 2016 Dr. Igor Fischer