Prof. David Akopian

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Publications and presentations

Dr. Akopian is the author and a coauthor of more than 90 publications.

Books

 

  1. D. Akopian, Systematic Approaches to Parallel Architectures for DSP Algorithms, 1997, Acta Politechnica Scandinavica, EI 89, Espoo, Finland.

  2. R. Creutzburg, D. Akopian, Editors. Multimedia on Mobile Devices, 2009, SPIE

     

Refereed Journal Papers

  1. D. Akopian, J. Syrjarinne, “Assisted GPS Positioning without Navigation Data Decoding,” accepted to IEEE Transactions on Vehicular Technology, Dec. 2008

  2. C. Lacatus, P. Yaddanapudi, D. Akopian, M. Shadaram, “Dynamic spectrum and power allocation for unlicensed wireless systems,” accepted to IEEE Systems Journal, July 2008.

  3. C. Lacatus, D. Akopian, M. Shadaram, “Reduced complexity for optimal spreading sequence design,” IEEE Transactions on Circuits and Systems, Vol. 55, No. 12, Dec 2008, pp. 1309-1314

  4. P. Sagiraju, G.V.S. Raju, D. Akopian, “Fast acquisition implementation for high sensitivity global positioning system receivers based on joint and reduced space search,” IEE Proceedings on Radar, Sonar, and Navigation, Vol. 2, No. 5, Oct 2008, pp. 376-387.

  5. C. Smith, S. Agaian, D. Akopian, “A wavelet-denoising approach using polynomial threshold operators,” IEEE Signal Processing Letters, Vol. 15, 2008, pp. 906-909.

  6. D. Akopian and S. Agaian, “A fast time-recursive correlator for DSSS systems,” IEEE Signal Processing Letters, Vol. 15, 2008, pp. 589-592.

  7. D. Akopian, “On optimal bit allocation for classification-based source-dependent transform coding,” Research Letters in Signal Processing, vol. 2008, ID 421650. (available at www.hindawi.com)

  8. D. Akopian and S. Agaian, “Fast matched Filters in Time Domain,” IEE Proceedings on Radar, Sonar & Navigation, vol 153, No.6, Dec 2006, pp. 525-531. (available at ieeexplore.ieee.org)

  9. P. Sagiraju, S. Agaian, D. Akopian, “A Reduced Complexity Acquisition of GPS Signals for Software Embedded Applications” IEE Proceedings on Radar, Sonar & Navigation, Vol. 153, No.1, Feb 2006, pp. 69-78. (available at ieeexplore.ieee.org)

  10. D. Akopian, “Fast FFT Based GPS Satellite Acquisition Methods”  IEE Proceedings on Radar, Sonar & Navigation, Vol. 152, No. 4, August 2005, pp. 277-286. (available at ieeexplore.ieee.org, a top accessed paper, e.g. 3rd top accessed in March 2008)

  11. D. Akopian and J. Astola, "An optimal nonlinear extension of linear filters based on distributed   arithmetic," IEEE Transactions on Image Processing, Vol. 14, Issue 5, May 2005, pp. 616-623.

  12. H. Sairo, D. Akopian, J. Takala, “ Weighted dilution of precision as quality measure in satellite   positioning”, Radar, Sonar and Navigation, IEE Proceedings, Vol. 150 , Issue: 6 , 1 Dec. 2003, pp: 430 – 436. (available at ieeexplore.ieee.org)

  13. D. Akopian, J. Takala, J. Saarinen, J. Astola, "Multistage interconnection networks for parallel Viterbi decoders," IEEE Transactions on Communications, Vol. 51, No.9, Sep 2003, pp.1536-1545.

  14. J. Takala, D. Akopian, J. Astola, J. Saarinen "Constant geometry algorithm for Discrete Cosine  Transform" IEEE Transactions On Signal Processing, vol. 48, No.6, June 2000, pp. 1840-1843

  15. J. Astola and D. Akopian, "Architecture oriented regular algorithms for a class of trigonometric transforms," IEEE Transactions Signal Processing., April 1999, pp. 1109-1124

  16. J. Astola, D. Akopian, "A time-recursive implementation of threshold Boolean filters," IEEE Trans. Circuits and Systems II, February 1999, pp. 139-148.

  17. J. Astola, D. Akopian, O. Vainio,  S. Agaian, "Digit-serial architectures for stack filters," EURASIP Signal Processing Journal, in vol. 61, pp. 181-197, September 1997.

  18. D. Akopian, O. Vainio, S. Agaian, and J. Astola, "SBNR processor for stack filters," IEEE Trans. Circuits and Systems II, vol. 44, pp. 197-208, Mar. 1997.

  19. D. Akopian, O.Vainio, J.Astola, "Processors for generalized stack filters,"  IEEE Trans.   On Signal Processing, vol. 43, no. 6, pp. 1541-1546, June, 1995.

  20. D. Akopian, "Systolic coders and decoders for a message source using trigonometric transforms," Pattern Recognition and Image Analysis, vol. 2, no. 3, pp. 319-328, 1992.

 

Submitted

  1. P. Sagiraju, P. Kashyap, D. Akopian, P. Chen, "Fast Block-correlator for tracking GPS/GNSS Signals," Submitted to IEEE Transactions on Aerospace and Electronic Systems.

  2. D. Akopian, A. Melkonyan, P. Chen, "Validation of HDOP Measure for Impact Localization in Structural Health Monitoring," submitted to IEEE Sensors Journal, Feb. 2008.

  3. C. Lacatus, D. Akopian, M. Shadaram, “Adaptive dispreading code design for GPS receivers,” submitted to IEEE Transactions on Applied Signal Processing, June 2008.

Invited Presentations and Papers:

  1. A. Kumar, D. Akopian, S. Agaian, R. Creutzburg, “A Secure mobile-to-server link,” SPIE Electronic Imaging, Multimedia on Mobile Devices Conference, San Jose, CA, Jan 18-22, 2009.

  2. D.Akopian, J. Takala, J.Saarinen, J. Astola, "Multistage interconnection networks for parallel Viterbi decoders," Proceedings of First International Workshop on Spectral Techniques and Logic Design for Future Digital Systems, TICSP Series #10, December 2000, pp.131-155.

  3. D. Akopian, M. Helsingius & J. Astola,"Multibase Approaches for Compression of Still Images," Invited presentation in International Workshop on Transforms and Filter Banks (WTFB'99), March 5-7, 1999, Brandenburg an der Havel, Germany, 16p.

  4. D. Akopian and J. Astola,  "Fast architecture oriented algorithms for trigonometric transforms and their mapping to scalable structures," Proceedings of First International Workshop on Transforms and Filterbanks, TICSP Series-1, June 1998, pp. 433-471.

  5. D. Akopian  "Mapping of fast transform algorithms to scalable structures," Short Course, Summer School on Multimedia and Computer Networking, Mangalia, Romania, 2-9 Aug. 1998.

Conference Papers:

  1. P. Kashyap, A. Samant, P. Sagiraju, D. Akopian, "An A-GPS Support for GPS simulators for Embedded Mobile Positioning," Proc. of SPIE Multimedia on Mobile Devices, Electronic Imaging, Jan. 18-22, 2009.

  2. A. Panchul, D. Akopian, P. Chen, “Mobile Event Reporting for Symbian platforms”, World Automation Conference, Sep. 2008.

  3. P.K. Sagiraju, P. Kashyap, D. Akopian, “Block Correlator for Tracking GNSS Signals,” ION GNSS 2008 Conference, Savannah, Georgia, Sep. 16-19, 2008.

  4. A. Panchul, D. Akopian, "Educational Applications Development for Smartphones," ASEE Annual Conference, June 2008, Pittsburgh, PA.

  5. C. Lacatus, D. Akopian, M. Shadaram, “Implementation Approaches of Adaptive Algorithms for Crosscorrelation Effect Compensation in Weak Signal Conditions,” Proceedings of IEEE PLANS 2008 Conference, Monterey, CA, May 5-8, 2008.

  6. D. Akopian, P. Chen, M. Gunturu, P. Sagiraju, “Implementation of an intrusion detection system based on wireless positioning”,  Proceeding of SPIE, Vol. 6982, pp. 698205-698205-11. Mobile Multimedia/Image Processing, Security, and Applications, March 2008, Orlando, FL.

  7. D. Akopian, P. Chen, S. Miryakar, A. Kumar, “PreNotiS: Massive Preventive Notification System,” Proceeding of SPIE, Vol. 6982, pp. 69820Y-69820Y-8. Mobile Multimedia/Image Processing, Security, and Applications, March 2008, Orlando, FL.

  8. K. Naghdali, S. Dursun, D. Akopian, "Non-uniform pulse quantization for mutiplication-free correlation in ultra wideband receivers," Proceeding of SPIE, Vol. 6980, pp. 698009-698009-7. Wireless Sensing and Processing III, March 2008, Orlando, FL.

  9. C. Lacatus, D. Akopian, M. Shadaram, “Fast convergence of distributed joint spreading sequence and power control algorithms,” 2008 IEEE Radio and Wireless Symposium, RWS, 22-24 Jan 2008, Orlando, FL.

  10. H. Nguyen, T. Nguyen, R. Trevino, E. Teran-Delgado, A. Panchul, D. Akopian, "A case study of context-driven aspplication as an example of educational project on cell phone platforms," UTSA 2007 ESB Student Conference, Nov 9, 2007.

  11. C. Lacatus, D. Akopian, M. Shadaram, “Spectrum assignment for flexible rate cognitive OFDM Systems,” 2007 IEEE MILCOM Conference, 29-31 Oct 2007, Orlando, FL.

  12. C. Lacatus, D. Akopian, M. Shadaram, “An adaptive approach to compensate crosscorrelation effects in weak signal conditions for satellite positioning systems,” ION GNSS Conference, 26-28 Sep 2007, Fort Worth, TX.

  13. D. Akopian, P. Ybarra, P. Chen, “Optimization of time-varying two-band filterbanks for wavelet transforms,” Proceedings of IEEE SoSE 2007 Conference, April 16-18, 2007, San Antonio, TX.

  14. P. K. Sagiraju, P. Gali, D. Akopian, G.V.S. Raju, "Enhancing Security in Wireless Networks Using Positioning Techniques," Proceedings of IEEE SoSE 2007 Conference, San Antonio, TX, April 16 -18, 2007.

  15. P. K. Sagiraju, A. Panchul, D. Akopian, "A Software GPS+ Receiver Toolkit " Proceedings of IEEE SoSE 2007 Conference, San Antonio, TX, April 16 -18, 2007.

  16. C. Lacatus, D. Akopian, M. Shadaram, “Spreading sequence design for MC-CDMA systems,” IEEE International Conference on System of Systems Engineering, SoSE 2007, April 15-18, 2007, San Antonio, TX.

  17. P. K. Sagiraju, D. Akopian, G.V.S. Raju, "Performance Study of Reduced Search FFT-Based Acquisition" Proceedings of ION National Technical Meeting, San Diego, California, January 22-24, 2007, pp. 153-161.

  18. D. Bhupathiraju, P. K. Sagiraju, D. Akopian, “Automatic Sorting and Storage Based on Location Information,” Proceedings of ION National Technical Meeting, San Diego, California, January 22-24, 2007, pp. 116-123.

  19. P. Sagiraju, D. Akopian, “Performance of Two-Stage Massive Correlator Architecture for Fast Acquisition of GPS Signals" IEEE Region 5 Conference, April 2006, San Antonio, TX.

  20. A. Panchul, D. Akopian, “On porting computer applications into Symbian cell phone platform”, IEEE Region 5 Conference, April 2006, San Antonio, TX.

  21. A. Panchul, D. Bhupathiraju, S. Agaian, D. Akopian, “An imaging toolbox for smart phone applications”, Mobile Multimedia/Image Processing for Military and Security Applications, SPIE Defense and Security Symposium Symposium, 17-21 April 2006, Orlando, FL

  22. P. Sagiraju, D. Bhupathiraju, GVS Raju, D. Akopian, “Development of Software GPS receiver testbed” Proc. of IEEE PLANS 2006 Conference, Apr 25-27, 2006, San Diego, CA, pp.1114-1119.

  23. D. Bhupathiraju, P. Sagiraju, D. Akopian, “An automatic digital album,” IEEE WTS Conference, April 28-29, 2006, Pomona, CA.

  24. P. Sagiraju, H. Valio, D. Akopian,"Fine Frequency Estimation in Weak Signals for GPS Receivers" Proceedings of ION National Technical Meeting, January 18, 2006, Monterey, CA, pp. 908-914.

  25. D. Akopian, S. Agaian, H. Valio, “Fast time-recursive matched filters for DSSS communications,” Proceedings of ION National Technical Meeting, Jan 18, 2006, Monterey, CA, pp. 890-895.

  26. S. Agaian, D. Akopian and S. D’Souza "Wireless Steganography" Proc. of the SPIE, Volume 6074, Jan. 2006, pp. 141-152 

  27. Sos S. Agaian, David Akopian, Okan Caglayan, Sunil D’Souza, “Lossless Adaptive Digital Audio Steganography”, IEEE Thirty-Ninth Asilomar Conference on Signals, Systems and Computers, Oct. 30-Nov 2, 2005, Pacific Grove, CA

  28. D. Akopian and S. Agaian, “A Fast position recovery approach for GPS receivers in jamming environments and a recommendation for future GPS signal structure,” IEEE MILCOM Conference, Atlantic City, Oct. 17-21, 2005.

  29. Sos S. Agaian, David Akopian and Sunil A. D’Souza “Frequency Domain Based Secure Digital Audio Steganography Algorithms,” IEEE SP/CAS, 2005 International Workshop on Spectral Methods and Multirate Signal Processing, SMMS, June 20-22, 2005, Riga, Latvia.

  30. P. K. Sagiraju, D. Akopian and D. Magee “A Fast Acquisition Algorithm for Indoor Receivers”, US Institute of Navigation (ION), 61st Annual Meeting, June 2005, Cambridge, MA, pp. 563-574.

  31. Sos S. Agaian, Ravindranath Cherukuri and D. Akopian, “Two Algorithms for Compressing Noise Like Signals”, SPIE Defense & Security Symposium, Signal Processing, Sensor Fusion and Target Recognitions XIV, March 28- April 1, 2005, pp 5809-5819.

  32. D. Akopian, Phani K. Sagiraju, S. Agaian, G.V.S. Raju, "A Reduced complexity frequency domain  acquisition of DS-SS Signals for embedded applications," Proceedings of the SPIE, Volume 5683, Embedded Processors for Multimedia and Communications II, Jan. 2005, pp. 197-207.

  33. D. Akopian, S. Agaian, Fast and Parallel matched filters in time domain," US Institute of Navigation, GNSS' 2004 Conference, September 21-24, 2004, Long Beach, CA, USA, pp. 491-501.

  34. D. Akopian, S. Agaian, "A fast algorithm for long FIR filters with small coefficient alphabet", The 2004 Int. Workshop on Spectral Methods and Multirate Signal Processing, SMMSP2004, September 11-12, 2004, Vienna, Austria.

  35. C.B. Smith, D. Akopian, S. Agaian, " Least squares optimization of a polynomial threshold for wavelet domain denoising", Proc. of IEEE ICSP’04 7th International Conference on Signal Processing, 31 Aug.-4 Sept. 2004, Vol. 1, pp. 109-112.

  36. D. Akopian, J. Takala, S. Agaian, "Scalable transform accelerator for multimedia communications", SPIE Electronic Imaging/ Embedded Processors for Multimedia and Communications Conference, January 2004, SPIE Vol. 5309, pp. 70 - 79.

  37. D. Akopian, J. Syrjärinne, "A Network aided iterated LS method for GPS positioning and time recovery without navigation message," Proceedings of IEEE PLANS'2002 Conference, April 15-18, 2002, Palm Springs, CA, USA, pp. 77-83.

  38. D. Akopian, H. Valio, S. Turunen, "Fine acquisition methods for GPS receivers," ION GPS' 2002 Conference, US Institute of Navigation, September 24-27, 2002, Portland, Oregon, USA.

  39. D. Akopian, "Backpropagation optimization algorithm for families of linear-phase filterbanks and block transforms", Proceedings of CSIT' 2001 Conference, Yerevan, Armenia, Sept. 17-20, 2001

  40. D. Akopian, "An optimization approach for two-band periodically time-varying perfect reconstruction filterbanks", Proceedings of CSIT'2001 Conference, Yerevan, Armenia, Sept. 17-20, 2001.

  41. D. Akopian, "A fast satellite acquisition method", USA Institute of Navigation, ION-GPS'2001Conference, Salt Lake City, USA, Sept. 11-14, 2001.

  42. D. Akopian, J. Parkkinen, T. Jääskeläinen, and J. Astola: Multibase Transform Coding for Multispectral Image Compression. In Proceedings of Algorithms for Multispectral, Hyperspectral,  and Ultraspectral Imagery VI, SPIE vol. 4049, Orlando, USA, April 24-26, 2000, pp. 511-520.

  43. J. Nikara, J. Takala, D. Akopian, J. Saarinen, J. Astola, "Pipelined architecture for inverse   Discrete Cosine Transform," Proceedings of EUSIPCO'2000 Conference, Tampere, Finland

  44. K. Balashov, D. Akopian, J. Astola, "Lossless Compression of Natural Images Using Regressive Analysis," Proceedings of EUSIPCO'2000 Conference, Tampere, Finland

  45. J. Takala, J. Nikara, D. Akopian, J. Astola, and J. Saarinen, "Pipeline Architecture for 2-D 8x8 Discrete Cosine Transform," in Proc. IEEE Int.Conf. on Acoustics, Speech and Signal Process., Istanbul, Turkey, June 5-9, 2000, vol. VI, pp. 3303-3306.

  46. J. Takala, D. Akopian, J. Astola, and J. Saarinen, "Scalable Interconnection Networks for Partial Column Array Processor Architectures," in Proc. IEEE Int. Symp. on Circuits and Systems, Geneva, Switzerland, May 28 - 31 2000, vol. IV, pp. 513-516.

  47. J. Takala, T.S. Jarvinen, P.V. Salmela, D. Akopian, “Multi-port interconnection networks for radix-R algorithms”. Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing, 2001 (ICASSP '01). Volume 2,  7-11 May 2001 Page(s):1177 - 1180 vol.2

  48. J. Nikara, J. Takala, D. Akopian, and J. Saarinen, "Pipeline Architecture for DCT/IDCT" in Proc. of   2001 IEEE International Symposium on Circuits and Systems, 2001. ISCAS 2001. Volume 4,  6-9 May 2001, pp. 902 – 905.

  49. D. Akopian and J. Astola, "An optimal bit-allocation technique for multibase transforms," Proceedings of FINSIG'99 Conference, 1999, Oulu, Finland

  50. K. Tunyan, J. Astola, D. Akopian, A. Tuniev, "Development of A-orthogonalization process and its possible applications," Proceedings of the Conference, Computer Science and Information Technologies (CSIT'99), Yerevan, Armenia, pp. 321-324, 1999.

  51. D. Akopian and J. Astola, "Multibase transform with prediction for still image compression,"    Proceedings of the Conference, Computer Science and Information Technologies (CSIT'99) Yerevan, Armenia, 1999.

  52. D. Akopian, M. Helsingius, J. Astola, "An Optimized Multiscanning Approach for Still Image Compression," 1999 IEEE International Workshop on Multimedia Signal Processing (MMSP'99), September 13-15, 1999, Copenhagen, Denmark

  53. D. Akopian, J. Takala, J. Astola, J. Saarinen, "Multistage interconnection networks for k/n rate Viterbi decoders," IEEE GLOBECOM'98 Conference, Nov., Australia, 1998.

  54. D. Akopian, M. Helsingius, J. Astola,  "A Combined multibase/wavelet transform coding of still images," Proceedings of IEEE ISPACS'98 Conference, 1998.

  55. D. Akopian and J. Astola,  "Fast architecture oriented algorithms for trigonometric transforms and their mapping to scalable structures," Proceedings of First International Workshop on Transforms and Filterbanks, TICSP Series-1, June 1998, pp. 433-471.

  56. D. Akopian, M. Helsingius, J. Astola, "Multibase/Wavelet transform coding without blocking artifacts," Proceedings of 32nd Asilomar Conference on Signals, Systems, and Computers, November 1-4, 1998, Pacific Grove, CA, USA.

  57. D. Akopian, J. Takala, J. Astola, J. Saarinen, "A Multistage interconnection network for parallel Viterbi decoders," Proceedings of IEEE ISPACS'97 Conference, 11-13 Nov., Malaysia, pp. S16.6.1-S16.6.5, and FINSIG'97 Conference, May 22, Pori, Finland, 1997.

  58. D. Akopian and J. Astola, "An optimal nonlinear extension of linear filters," Proc. of  CSIT'97 Conference, 26-29 Sept., 1997, Yerevan, Armenia, pp. 141-144.

  59. D. Akopian and J. Astola, "An optimal extension of linear filters based on distributed arithmetic," Proc. of  SPIE Statistical and Stochastic Methods in Image Processing II Conference, 27 July-1 August, 1997, San Diego, CA.

  60. J. Astola and D. Akopian, "Fast regular 2-D algorithms for a class of trigonometric transforms," Proc. of IS\&T/SPIE's Symp. on Electronic Imaging, Sc. and Technology, Visual Com. and Image Proc., February, 1997.

  61. O. Vainio, D. Akopian, J. Astola, "A Synthesizable stack filter ASIC macro," Proc. of IEEE Int. NORCHIP'96 Conference, pp. 172-178, November 1996.

  62. M. Helsingius, S. Atourian, D. Akopian and J. Astola, "Multibase transform coding of images," Proc. of IEEE Int. NORSIG'96 Conference, pp. 255-258, September 1996.

  63. D. Akopian and J. Astola,"Processor architecture for Extended Lapped Transform," Proc. of EUSIPCO'96 Conference,  pp. 1459-1462, 1996.

  64. I. Dhaou, D. Akopian, P. Kuosmanen and J. Astola, "Fault detection in stack filters based on sample selection probabilities," Proc. of IEEE Int. Conf. on Image Processing, pp. 765-768, 1996.

  65. D. Akopian and J. Astola, "Pipeline processor for fast architecture oriented regular DCT-IDCT algorithm," Proc. of IEEE Int. Conf. on Acoust. Speech and Sign. Processing, pp.1319-1322, May 1996, Atlanta, USA.

  66.  J. Astola and D. Akopian, "Architecture oriented regular algorithms for discrete sine and cosine transforms," Proc. of IS\&T/SPIE's Symp. on Electronic Imaging, Sc. and Technology, pp. 9-20, 28 Jan.-2 Feb., 1996.

  67.  J. Astola, P. Kuosmanen, D. Akopian, D. Gevorkian, "Fibonacci P-Code method for generalized stack filtering," Proc. of IEEE Int. Symp. on Circuits and Systems, pp. 1900-1903, 1995.

  68.  Jaakko Astola, David Akopian, "New processor architecture for running threshold Boolean filters," Proc. of SPIE Meeting on Visual Communications and Image Processing'95, pp. 366-377, Taiwan, May 1995.

  69.  Jaakko Astola, David Akopian, and David Gevorkian, "Threshold Boolean filtering based on pattern classification," Proc. of IEEE Workshop on Nonlinear Signal and Image Processing, pp. 879-882, June 1995, Greece.

  70. O. Vainio, D. Akopian, J. Astola, "Systematic design of encoder and decoder networks with applications to high-speed signal processing," Proc. of IEEE Int. Symp. on Industrial Electronics, Athens, Greece, July 1995, pp. 172-175.

  71. J. Astola, D. Akopian, S. Agaian, O. Vainio,  "A Unified approach to implementation of stack filters," Proc. Of Twenty-Eight Asilomar Conf. on Signals, Systems and Computers, Nov. 1-3, pp. 329-334, 1994, Pacific Grove, California.

  72. D. Akopian, O. Vainio, S. Agaian, and J. Astola, "SBNR processor for stack filters," Proc. of Twenty-Eight Asil. Conf. on Signals, Systems and Computers, pp. 335-339, Nov. 1-3, 1994.

  73. D. Akopian, S. Agaian, J. Astola, "Pipeline processors for fast trigonometric transforms," Proc. of Twenty-Eight Asilomar Conf. on Signals, Systems and Computers, pp. 1031-1035, Nov. 1-3, 1994, Pacific Grove, California.

  74. S. Agaian and D. Akopian, "Fibonacci processors for digital signals transform," Proc. of First USSR Conf. on Pattern Recognition and Image Analyses: New informative  technologies  (ROAI-1-91), Part III, Section 3, pp. 13-15, Minsk (USSR), October 14-18, 1991.

  75. D. Akopian and J. Astola, "Pipeline processor for DCT-IDCT algorithm," Proc. FINSIG Conf.,   1995.

  76. D. Akopian, O. Vainio, J. Astola, "Parallel multi-threshold circuit and stacked signals adder," Proceedings of the First TUT Symposium on Signal Processing, pp. 23-26, May 20, 1994.

Non-refereed Publications

  1. D. Akopian, "GNSS industry analysis, " Nokia Mobile Phones, Nov. 2002. 

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Last updated: 02/22/07.