Tampere University of Technology

TUTCRIS Research Portal

Department of Signal Processing

Research unit: Department

  1. Published

    A unified approach to implementation of stack filters

    Akopian, D., Astola, J., Again, S. & Vainio, O., 1994, Proc. Twenty-Eighth Annual Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Oct. 1994.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  2. Published

    SBNR processor for stack filters

    Akopian, D., Vainio, O., Again, S. & Astola, J., 1994, Proc. Twenty-Eighth Annual Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Oct. 1994.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  3. Published

    A multistage interconnection network for parallel Viterbi decoders

    Akopian, D., Takala, J., Astola, J. & Saarinen, J., 1997, Proceedings of MICC'97 & ISPACS'97, 3rd IEEE Malaysia International Conference on Communications, 5th IEEE international Workshop on Intelligent Signal Processing and Communication Systems, 11-13 November, Malaysia, 1997. IEEE, p. s. 1S6.6.1-S16.6.5

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  4. Published

    Combined Multibase/Wavelet Transform Coding of Still Images

    Akopian, D., Helsingius, M. & Astola, J., 1998, The 6th IEEE International Workshop on Intelligent Signal Processing and Communication Systems, 5-6 November 1998, Melbourne, Australia. Wu, H. R., Ngan, K. N., Qiu, B. & Suthaharan, S. (eds.). p. 696-700

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  5. Published

    SBNR processor for stack filters

    Akopian, D., Vainio, O., Agaian, S. & Astola, J., 1997, In : IEEE Transactions on Circuits and Systems Part 2: Analog and Digital Signal Processing. 44, 3, p. 197-208

    Research output: Contribution to journalArticleScientificpeer-review

  6. Published

    An optimal nonlinear extension of linear filters

    Akopian, D. & Astola, J., 1997, Proceedings of Computer Science and Information Technologies Conference, CSIT, Yerevan, Armenia, Sept.25-30, 1997. p. 141-144

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  7. Published

    A multistage interconnection network for parallel viterbi decoders

    Akopian, D., Takala, J., Astola, J. & Saarinen, J., 1997, Proceedings of FINSIG'97 Conference, May 22, Pori, Finland, 1997. p. 11-15

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  8. Published

    Processors for Generalized Stack Filters

    Akopian, D., Vainio, O., Agaian, S. & Astola, J., 1995, In : IEEE Transactions on Signal Processing. 43, 6, p. 1541-1546

    Research output: Contribution to journalArticleScientificpeer-review

  9. Published

    A Predictive Multiscanning Approach for Still Image Compression

    Akopian, D. & Astola, J., 1999, Proceedings of the Conference, Computer Science and Information Technologies, CSIT, August 17-22, 1999, Yerevan, Armenia. p. 243-246

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  10. Published

    Fast Architecture Oriented Algorithms for4 Trigonometric Transforms and Their Mapping to Scalable Stuctures

    Akopian, D. & Astola, J., 1998, Proceedings of First International Workshop on Transforms and Filterbanks, February 23-25, 1998, Tampere, TICSP Series. p. 433-470

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  11. Published

    An optimal nonlinear extension of linear filters based on distributed arithmetic

    Akopian, D. & Astola, J., 1997, Proceedings of SPIE, Statistical and Stochastic Methods in Image Processing II, San Diego, California, 31 July - 1 August 1997. SPIE, p. 2-12

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  12. Published

    Multibase/Wavelet Transform Coding of Still Images Without Blocking Artifacts

    Akopian, D., Helsingius, M. & Astola, J., 1998, Thirty-Second Asilomar Conference on Signals, Systems & Computers, November 1-4, 1998, Pacific Grove, California. p. 154-158

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  13. Published

    Multistage Interconnection Networks for Parallel Viterbi Decoders

    Akopian, D., Takala, J., Saarinen, J. & Astola, J., 2003, In : IEEE Transactions on Communications. 51, 9, p. 1536-1545

    Research output: Contribution to journalArticleScientificpeer-review

  14. Published

    Analytical Image Reconstruction Strategies for AX-PET Data

    Akram, M. M., Tuna, U., Solevi, P., Refecas, M. & Ruotsalainen, U., 2011, IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC, Valencia, Spain, October 23-29, 2011. Piscataway, NJ: Institute of Electrical and Electronics Engineers IEEE, p. 4244-4248 (IEEE Nuclear Science Symposium and Medical Imaging Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  15. Published

    Analytical Image Reconstruction for AX-PET Data

    Akrkam, M. M., Beltrame, P., Bolle, E., Braem, A., Casella, C., Chesi, E., Clinthorne, N., De Leo, R., Dissertori, G., Djambazov, L., Franti, V., Gillam, J. E., Happonen, A., Joram, C., Kagan, H., Lustermann, W., Meddi, F., Nappi, E., Nessi-Teldaldi, F., Oliver, J. F., Pauss, F., Rafecas, M., Renker, D., Rudge, A., Ruotsalainen, U., Schinzel, D., Schneider, T., S´eguinot, J., Solevi, P., Stapnes, S., Tuna, U. & Weilhammer, P., 2011, Turku PET Symposium, Abstracts of the XII Turku PET Symposium, 28 - 31 May, 2011, Turku, Finland. Grönroos, T. & Knuuti, J. (eds.). Turku: Turku PET Symposium, p. 50-50 (Turku PET Symposium).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  16. Published

    A Weighted Distance Approach to Relevance Feedback

    Aksoy, S., Haralick, R., Alaya Cheikh, F. & Gabbouj, M., 2000, ICPR 2000 Proceedings, International Conference on Pattern Recognition, Barcelona, Spain, September 3-8, 2000. p. 812-815

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  17. Published

    Case based reasoning approach to automatic comparison of models

    Ala-Kleemola, T., Merta, M., Visa, A. & Johansson, P., 2005, Proceedings of the 8th International Conference on Information Fusion 2005, FUSION, Philadelphia PA, USA, 25-29 July 2005. p. 1025-1029

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  18. Published

    Measuring pulse transit times with MXA2500U acceleration sensor and EMFi sensor

    Alametsä, J., 2005, Proceedings of the International Symposium on Intedisciplinary Electromagnetic, Mechanic & Biomedical Problems, ISEM 2005, Bad Gastein, Salzburd, Austria, 12-14 September 2005. p. 4 p

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  19. Published

    Long term follow-up of ballistocardiography

    Alametsä, J., Värri, A. & Palomäki, A., 2007, Sosiaali- ja terveydenhuollon tietotekniikan ja tiedonhallinnan tutkimuspäivät, Turku, Finland, 30-31 May 2007. Stakesin työpapereita. Häyrinen, K. (ed.). p. 5 p

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  20. Published

    Measurement of carotid pulse and ankle pulse signal with EMFi sensor

    Alametsä, J., 2005, Proceedings of the International Symposium on Intedisciplinary Electromagnetic, Mechanic & Biomedical Problems, ISEM 2005, Bad Gastein, Salzburd, Austria, 12-14 September 2005. p. 4 p

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  21. Published

    Effect on sauna bath to BCG, carotid and ankle pulse signal during normal blood pressure and hypertension

    Alametsä, J., Saastamoinen, A., Huupponen, E. & Värri, A., 2005, Proceedings of the 3rd European Medical & Biomedical Engineering Conference, IFMBE European Conference on Biomedical Engineering, EMBEC 2005, Prague, Czech Republic, 20-25 November 2005. p. 5 p

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  22. Published

    Mobile physiological signal measurement station

    Alametsä, J., Koivuluoma, M. & Värri, A., 2001, Proceedings of the International Federation of Medical & Biogical Engineering. IX Mediterranean Conference on Medical and Biological Engineering and Computing. Medicon 2001, June 12 - 15, 2001, Pula, Croatia. p. 289-292

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  23. Published

    Spectral properties of BCG signal in sitting and lying positions in normal blood pressure and hypertension

    Alametsä, J., Saastamoinen, A. J., Huupponen, E. & Värri, A., 2005, Proceedings of the 3rd European Medical & Biomedical Engineering Conference, IFMBE European Conference on Biomedical Engineering, EMBEC 2005, Prague, Czech Republic, 20-25 November 2005. p. 6 p

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  24. Published

    Prolonged spiking periods pattern detection method by using EMFit and SCSB signals

    Alametsä, J., Saastamoinen, A., Huupponen, E., Värri, A., Joutsen, A., Hasan, J., Rauhala, E. & Himanen, S-L., 2006, Proceedings of the 12th Finnish Artificial Intelligence Conference STeP 2006, Espoo, Finland, 26-27 October 2006. Hyvönen, E. (ed.). p. 75-81

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  25. Published

    The potential of EMFi sensors in herat activity monitoring

    Alametsä, J., Värri, A., Koivuluoma, M. & Barna, L., 2004, Proceedings of the 2nd OpenECG Workshop: Integration of the ECG into the EHR & Interoperability of ECG Device Systems, Berlin, Germany, 1-3 April 2004. Zyvietz, C. (ed.). p. 81-85

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  26. Published

    Ballistocardiographic studies with acceleration and electromechanical film sensors

    Alametsä, J., Värri, A., Viik, J., Hyttinen, J. & Palomäki, A., 2009, In : Medical Engineering and Physics. 31, 9, p. 1154-1165

    Research output: Contribution to journalArticleScientificpeer-review

  27. Published

    Versatile physiological signal measurement station

    Alametsä, J., 2002, Helsinki: Stakes.

    Research output: Book/ReportCommissioned reportProfessional

  28. Published

    Automatic detection of spiking events in EMFi sheet during sleep

    Alametsä, J., Rauhala, E., Huupponen, E., Saastamoinen, A., Värri, A., Joutsen, A., Hasan, J. & Himanen, S-L., 2006, In : Medical Engineering and Physics. 28, 3, p. 267-275

    Research output: Contribution to journalArticleScientificpeer-review

  29. Published

    New spiking detection algorithm in sleep study

    Alametsä, J., Huupponen, E., Saastamoinen, A., Värri, A., Joutsen, A., Hasan, J., Rauhala, E. & Himanen, S-L., 2004, SoTeTiTe 2004, Sosiaali- ja terveydenhuollon tietotekniikan ja tiedonhallinnan tutkimuspäivät, Osaavien keskusten verkoston julkaisuja. Sarantao, K. & Häyrinen, K. (eds.). p. 5-7

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  30. Published

    Snoring second detection with EMFi sensor strips

    Alametsä, J., Viik, J., Huupponen, E., Kulkas, A., Värri, A. & Himanen, S-L., 2010, 2010 12th Biennial Baltic Eletronics Conference BEC, 4.-6.10.2010, Tallinn, Estonia. p. 265-268

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  31. Published

    Comparison of temporal and spectral properties of EMFi and SCSB signals

    Alametsä, J. J., Saastamoinen, A. J., Huupponen, E. J., Värri, A. O., Joutsen, A. S., Hasan, J., Rauhala, E. R. & Himanen, S-L. J., 2005, Proceedings of the Third IASTED International Conference on Biomedical Engineering, Innsbruck, Austria, 16-18 February 2005. Hamza, M. H. (ed.). p. 379-382

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  32. Published

    The possibilities of EMFi sensors in heart related activity monitoring with a new mobile physiological signal measurment station

    Alametsä, J., 2004, Proceedings of the Proactive Computing Workshop PROW 2004, Helsinki, Finland, 25-26 November 2004. Linden, G. (ed.). p. 63-67

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  33. Published

    The usage of MXA2500U acceleration sensor in heart research

    Alametsä, J., Huupponen, E. & Värri, A., 2003, Proceedings of the 2003 Finnish Signal Processing Symposium, FINSIG'03, Tampere, Finland, 19 May 2003. Huttunen, H., Gotchev, A. & Vasilache, A. (eds.). TICSP, p. 22-26

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  34. Published

    Ballistocardiography in sitting and horizontal positions

    Alametsä, J., Viik, J., Alakare, J., Värri, A. & Palomäki, A., 2008, In : Physiological Measurement. 29, p. 1071-1087

    Research output: Contribution to journalArticleScientificpeer-review

  35. Published

    Fuzzy Weighed Mean Filter for Color Image Restoration

    Alaya Cheik, F., Gabbouj, M., Hamila, R. & Astola, J., 1996, Proc. of NORSIG'96, Nordic Signal Processing Symposium, September 1996 Espoo, Finland. p. 29-32

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  36. Published

    Impulse noise removal in highly corrupted color images

    Alaya Cheikh, F., Hamila, R., Gabbouj, M. & Astola, J., 1996, Proc. of ICIP'96 International Conference on Image Processing, September 1996, Lausanne, Switzerland. IEEE, p. 997-1000

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  37. Published

    Relevance feedback for shape query refinement

    Alaya Cheikh, F., Cramariuc, B. & Gabbouj, M., 2003, Proceedings of IEEE International Conference on Image Processing, ICIP 2003, Barcelona, Spain, 14-17 September 2003. p. 745-748

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  38. Published

    Ordinal-based shape retrieval with relevance feedback

    Alaya Cheikh, F., Cramariuc, B. & Gabbouj, M., 2003, Proceedings of the Seventh International Symposium on Signal Processing and its Applications, ISSPA 2003, Paris, France, 1-4 July 2003. IEEE, p. 189-192

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  39. Published

    Shape recognition based on wavelet-transform Modulus maxima

    Alaya Cheikh, F., Quddus, A. & Gabbouj, M., 2000, ICECS 2000, 7th IEEE International Conference on Electronics, Circuits and Systems, Portemilio Hotel, Lebanon, 17-19 December, 2000, Conference Proceedings. p. 461-464

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  40. Published

    Directional-Rational Approach for Color Image Enhancement

    Alaya Cheikh, F. & Gabbouj, M., 2000, ISCAS 2000, The IEEE International Symposium on Circuits and Systems, May 28-31, 2000 Geneva, Switzerland. p. 563-566

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  41. Published

    Directional Unsharp Masking-Based Approach for Color Image Enhancement

    Alaya Cheikh, F. & Gabbouj, M., 1998, Proc. of NMBIA, Noblesse Workshop on Non-Linear Model Based Image Analysis, Glasgow, Great Britain, July 1-3, 1998. Marshall, S. (ed.). London: Springer, p. 173-178

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  42. Published

    Multi-level Shape Recognition based on Wavelet-Transform

    Alaya Cheikh, F., Quddus, A. & Gabbouj, M., 2000, 4th IEEE Southwest Symposium on Image Analysis & Interpretation, April 2-4, 2000, Austin, TX, USA. p. 8-12

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  43. Published

    Ordinal-measure based shape correspondence

    Alaya Cheikh, F., Cramariuc, B., Partio, M., Reijonen, P. & Gabbouj, M., 2002, In : EURASIP Journal on Applied Signal Processing. 2002, 4, p. 362-371

    Research output: Contribution to journalArticleScientificpeer-review

  44. Published

    Color Image Interpolation Using Vector Rational Filters

    Alaya Cheikh, F., Khriji, L., Gabbouj, M. & Ramponi, G., 1998, Proceedings of SPIE, Nonlinear Image Processing IX, 26-27 January 1998, San Jose, California, USA. Dougherty, E. R. & Astola, J. (eds.). p. 242-249

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  45. Published

    MUVIS: a system for content-based image retrieval

    Alaya Cheikh, F., 2004, Tampere: Tampere University of Technology. 136 p. (Tampereen teknillinen yliopisto. Julkaisu; vol. 465)

    Research output: Book/ReportDoctoral thesisCollection of Articles

  46. Published

    Contour-based Object Recognition using Wavelet-Transform

    Alaya Cheikh, F., Quddus, A. & Gabbouj, M., 2000, Signal Processing X, Theories and Applications, EUSIPCO 2000, 4-8 September, 2000, Tampere, Finland. Gabbouj, M. & Kuosmanen, P. (eds.). p. 2141-2144

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  47. Published

    Unsharp Masking-Based Approach for Color Image Processing

    Alaya Cheikh, F., Khriji, L. & Gabbouj, M., 1998, Proceedings of EUSIPCO'98, 9th European Signal Processing Conference, Rhodes, Greece, 8-11 September, 1998. Theodoridis, S. (ed.). p. 1033-1036

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  48. Published

    MUVIS: A System for Content-Based Indexing and Retrieval in Large Image Databases

    Alaya-Cheikh, F., Cramariuc, B., Reynaud, C., Quinghong, M., Dragos- Adrian, B., Hnich, B., Gabbouj, M., Kerminen, P., Mäkinen, T. & Jaakkola, H., 1999, Proceedings of SPIE, Storage and Retrieval for Image and Video Databases VII, 26-29 January 1999, San Jose, California. Yeung, M. M., Yeo, B. L. & Bouman, C. A. (eds.). p. 98-106 9 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  49. Published

    Adaptive window size gradient estimation for image edge detection

    Alban, E., Katkovnik, V. & Egiazarian, K., 2003, Proceedings of SPIE Electronic Imaging, Image Processing: Algorithms and Systems II, Santa Clara, California, USA, 21-23 January 2003. Dougherty, E. R., Astola, J. T. & Egiazarian, K. O. (eds.). SPIE, p. 54-65

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  50. Published

    Adaptive edge detection based on 3D Kernel functions for biomedical image analysis

    Alban, E., Tohka, J. & Ruotsalainen, U., 2005, Proceedings of SPIE and IS&T Electronic Imaging, Image Processing: Algorithms and Systems IV, San Jose, California, USA, 17-18 January 2005. Dougherty, E. R., Astola, J. T. & Egiazarian, K. O. (eds.). p. 224-235

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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