Tampere University of Technology

TUTCRIS Research Portal

Publications

  1. 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

  2. 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

  3. Published

    Simulation of Microlens Array Based Plenoptic Capture Utilizing Densely Sampled Light Field

    Akpinar, U., Sahin, E. & Gotchev, A., 2017, 3DTV Conference 2017: The True Vision - Capture, Transmission and Display of 3D Video (3DTV-CON). IEEE

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

  4. Published

    Viewing simulation of integral imaging display based on wave optics

    Akpinar, U., Sahin, E. & Gotchev, A., 1 Oct 2018, 2018 - 3DTV-Conference: The True Vision - Capture, Transmission and Display of 3D Video, 3DTV-CON 2018. IEEE, 8478568

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

  5. Published

    Learning Optimal Phase-Coded Aperture for Depth of Field Extension

    Akpinar, U., Sahin, E. & Gotchev, A., Sep 2019, 2019 IEEE International Conference on Image Processing (ICIP). IEEE, p. 4315-4319 5 p. (IEEE International Conference on Image Processing).

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

  6. Published

    Thin form-factor super multiview head-up display system

    Akpinar, U., Sahin, E., Suominen, O. & Gotchev, A., 13 Jan 2019, Stereoscopic Displays and Applications XXX . ( IS&T International Symposium on Electronic Imaging).

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

  7. Published

    Pipeline processors for fast trigonometric transfomrm

    Akopian, D., Eguiazarian, K., Agaian, S. & Astola, J., 1994, Twenty-Eight Asilomar Conference of Signals, Systems and Computers, November 1-3, 1994, Pacific Grove, California. Pacific Grove, USA

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

  8. Published

    Pipeline Processor for Fast Architecture Oriented Regular DCT-IDCT Algorithm

    Akopian, D., Reddy, N. N. & Astola, J., 1995, FINSIG'95. FINSIG'95, p. 90-94

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

  9. Published

    Multistage Interconnection Networks for k/n Rate Viterbi Decoders

    Akopian, D., Takala, J., Astola, J. & Saarinen, J., 1998, Proceedings of IEEE Telecommunications Conference GLOBECOM '98, November 8-12, 1998, Sydney, Australia, Conference Record. p. 845-850

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

  10. Published

    An optimal nonlinear extension of linear filters based on distributed arithmetic

    Akopian, D. & Astola, J., 2005, In : IEEE Transactions on Image Processing. 14, 5, p. 616-623

    Research output: Contribution to journalArticleScientificpeer-review

  11. 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

  12. 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

  13. 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

  14. 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

  15. Published

    Regular fast algorithms for trigonometric transforms

    Akopian, D. & Takala, J., 2009, Festschrift in Honor of Jaakko Astola on the Ocasion of his 60th Birthday. Tabus, I., Egiazarian, K. & Gabbouj, M. (eds.). Tampere: Tampereen teknillinen yliopisto, p. 263-286 (TICSP Series).

    Research output: Chapter in Book/Report/Conference proceedingChapterScientific

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. Published

    Multistage Interconnection Networks for Parallel Viterbi Decoders

    Akopian, D., Takala, J., Saarinen, J. & Astola, J. T., 2000, Proceedings of First International Workshop on Spectral Techniques and Logic Design for Future Digital Systems, June 2-3, 2000, Tampere, Finland. Creutzburg, R. (ed.). Tampere, p. 131-153

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

  22. 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

  23. 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

  24. 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

  25. 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

  26. Published

    Structure of amorphous Ge8Sb2Te11: GeTe-Sb2Te3 alloys and optical storage

    Akola, J. & Jones, R. O., 2009, In : Physical Review B. 79, 13, p. 134118-1-8 8 p., 134118.

    Research output: Contribution to journalArticleScientificpeer-review

  27. Structural phase transitions on the nanoscale: The crucial pattern in the phase-change materials Ge2Sb2Te5 and GeTe

    Akola, J. & Jones, R. O., 2007, In : Physical Review B. 76, 23, 235201.

    Research output: Contribution to journalArticleScientificpeer-review

  28. Published

    Phase change materials: density functional/molecular dynamics simulations of Ag/In-doped Sb4Te Alloy

    Akola, J. & Jones, O. R., 2012, IEEE 12th International Conference on Nanotechnology, IEEE NANO 2012, 20-23 August 2012, Birmingham, UK. Piscataway, NJ: Institute of Electrical and Electronics Engineers IEEE, p. 131-136 (IEEE Conference on Nanotechnology).

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

  29. Binary alloys of Ge and Te: Order, voids, and the eutectic composition

    Akola, J. & Jones, R. O., 2008, In : Physical Review Letters. 100, 20, 205502.

    Research output: Contribution to journalArticleScientificpeer-review

  30. Published

    Comment on Formation of Large Voids in the Amorphous Phase-Change Memory Ge2Sb2Te5 Alloy

    Akola, J. & Jones, R. O., 2010, In : Physical Review Letters. 104, p. 1 019603.

    Research output: Contribution to journalArticleScientific

  31. Published

    Thiolate-protected Au25 superatoms as building blocks: dimers and crystals

    Akola, J., Kacprzak, K. A., Lopez-Acevedo, O., Walter, M., Grönberg, H. & Häkkinen, H., 2010, In : Journal of Physical Chemistry C. 114, 38, p. 15986-15994

    Research output: Contribution to journalArticleScientificpeer-review

  32. Published

    Structure and dynamics in amorphous tellurium and Ten clusters: A density functional study

    Akola, J. & Jones, O. R., 2012, In : Physical Review B. 85, 13, p. 1-12 12 p., 134103.

    Research output: Contribution to journalArticleScientificpeer-review

  33. Published

    Polymorphism in amorphous Ge2Sb2Te5: comparison of melt queched and as-deposited structures

    Akola, J., Larrucea, J. & Jones, R. O., 2010, E/PCOS 2010 Proceedings, September 6th-7th, 2010, Milano, Italy. p. 126-133

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

  34. Edge-dependent selection rules in magic triangular graphene flakes

    Akola, J., Heiskanen, H. P. & Manninen, M., 2008, In : Physical Review B. 77, 19, 193410.

    Research output: Contribution to journalArticleScientificpeer-review

  35. Published

    Polymorphism in phase-change materials: melt-quenched and as-deposited amorphous structures in Ge2Sb2Te5 from density functional caclulation

    Akola, J., Larrucea, J. & Jones, O. R., 2011, In : Physical Review B. 83, 9, p. 1-7 7 p., 094113.

    Research output: Contribution to journalArticleScientificpeer-review

  36. Published

    Funktionaaliset kalkogeenipohjaiset puolijohdemateriaalit: Järjestystä epäjärjestyksessä?

    Akola, J., 2010, In : Arkhimedes. 4, p. 20-27

    Research output: Contribution to journalArticleProfessional

  37. Experimentally constrained density-functional calculations of the amorphous structure of the prototypical phase-change material Ge2Sb2Te5

    Akola, J., Jones, R. O., Kohara, S., Kimura, S., Kobayashi, K., Takata, M., Matsunaga, T., Kojima, R. & Yamada, N., 2009, In : Physical Review B. 80, 2, 020201.

    Research output: Contribution to journalArticleScientificpeer-review

  38. Electronic properties of single-walled carbon nanotubes inside cyclic supermolecules

    Akola, J., Rytkönen, K. & Manninen, M., 2006, In : Journal of Physical Chemistry Part B. 110, 11, p. 5186-5190

    Research output: Contribution to journalArticleScientificpeer-review

  39. Published

    Structure and dynamics in liquid bismuth and Bin clusters: A density functional study

    Akola, J., Atodiresei, N., Kalikka, J., Larrucea, J. & Jones, O., 2014, In : Journal of Chemical Physics. 141, 19, p. 1-10 10 p., 194503.

    Research output: Contribution to journalArticleScientificpeer-review

  40. Density functional calculations of ATP systems. 2. ATP hydrolysis at the active site of actin

    Akola, J. & Jones, R. O., 2006, In : Journal of Physical Chemistry Part B. 110, 15, p. 8121-8129

    Research output: Contribution to journalArticleScientificpeer-review

  41. Published

    Network topology for the formation of solvated electrons in binary CaO-Al2O3 composition glasses

    Akola, J., Kohara, S., Ohara, K., Fujiwara, A., Watanabe, Y., Masuno, A., Usuki, T., Kubo, T., Nakahira, A., Nitta, K., Uruga, T., Weber, R. J. K. & Benmore, C. J., 2013, In : Proceedings of the National Academy of Sciences of the United States of America. 110, 25, p. 10129-10134 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  42. Experimentally constrained density-functional calculations of the amorphous structure of the prototypical phase-change material Ge2Sb2Te5 (vol 80, 020201, 2009)

    Akola, J., Jones, R. O., Kohara, S., Kimura, S., Kobayashi, K., Takata, M., Matsunaga, T., Kojima, R. & Yamada, N., 2009, In : Physical Review B. 80, 2, 029902.

    Research output: Contribution to journalArticleScientific

  43. Published

    Amorphous structures of Ge/Sb/Te alloys: Density functional simulations

    Akola, J. & Jones, O. R., 2012, In : Physica Status Solidi B: Basic Solid State Physics. 249, 10, p. 1851-1860

    Research output: Contribution to journalArticleScientificpeer-review

  44. Density functional study of gold atoms and clusters on a graphite (0001) surface with defects

    Akola, J. & Häkkinen, H., 2006, In : Physical Review B. 74, 16, 165404.

    Research output: Contribution to journalArticleScientificpeer-review

  45. Published

    Density variations in liquid tellurium: Roles of rings, chains and cavities

    Akola, J., Jones, R. O., Kohara, S., Usuki, T. & Bychkov, E., 2010, In : Physical Review B. 81, 094202, p. 094202-1-7 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  46. Published

    Structure of liquid phase change material AglnSbTe from density functional/molecular dynamics simulations

    Akola, J. & Jones, R. O., 2009, In : Applied Physics Letters. 94, 251905, p. 251905-1-3 3 p.

    Research output: Contribution to journalArticleScientificpeer-review

  47. On the structure of thiolate-protected Au-25

    Akola, J., Walter, M., Whetten, R. L., Häkkinen, H. & Grönbeck, H., 2008, In : Journal of the American Chemical Society. 130, 12, p. 3756-3757

    Research output: Contribution to journalArticleScientificpeer-review

  48. Density functional study of amorphous, liquid and crystalline Ge2Sb2Te5: homopolar bonds and/or AB alternation?

    Akola, J. & Jones, R. D., 2008, In : Journal of Physics: Condensed Matter. 20, 46, 465103.

    Research output: Contribution to journalArticleScientificpeer-review

  49. Published

    Structure, electronic, and vibrational properties of amorphous AsS2 and AgAsS2: Experimentally constrained density functional study

    Akola, J., Jovari, P., Kaban, I., Voleska, I., Kolar, J., Wagner, T. & Jones, O., 2014, In : Physical Review B. 89, 6, p. 1-9 9 p., 064202.

    Research output: Contribution to journalArticleScientificpeer-review

  50. Published

    Atomic and electronic structures of binary silicate glasses

    Akola, J. & Kohara, S., 2012, SPring-8 Research Frontiers 2011. Hyogo, Japan: RIKEN/JASRI; Japan Synchrotron Radiation Research Institute (JASRI), p. 58-59

    Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

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