Jaan Praks

Assistant Professor

Research outputs

  1. 2011
  2. Published

    Miniaturized spectral imager for Aalto-1 nanosatellite

    Mannila, R., Nasila, A., Praks, J., Saari, H. & Antila, J., 2011, Sensors, Systems, and Next-Generation Satellites XV, Prague, 19 September 2011 - 22 September 2011. 817628. (Proceedings of SPIE; vol. 8176).

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

  3. 2010
  4. Published

    Scattering Model for a Pine Tree Employing VIE With a Broadband MLFMA and Comparison to ICA

    Dufva, T., Praks, J., Jarvenpaa, S. & Sarvas, J., Mar 2010, In : IEEE Transactions on Geoscience and Remote Sensing. 48, 3, p. 1119-1127 9 p.

    Research output: Contribution to journalArticle

  5. Published

    A review about alternatives to classical polarimetric SAR parameters

    Colin-Koeniguer, E., Trouvé, N. & Praks, J., 2010, 8th European Conference on Synthetic Aperture Radar, EUSAR 2010. Institute of Electrical and Electronics Engineers, p. 414-417 4 p. 5758754

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

  6. Published

    Modeling Attenuation of Melting Hydrometeors with a Method Based on Volume Integral Equations

    von Lerber, A., Piepponen, T., Koskinen, J., Moisseev, D., Kestilä, A., Tyynelä, J., Nousiainen, T., Koistinen, J., Sihvola, A., Ylä-Oijala, P. & 3 others, Praks, J., Hallikainen, M. & Pulliainen, J., 2010, 2010 IEEE International Geoscience and Remote Sensing Symposium, Honolulu, Hawaii, USA, July 25-30, 2010. Honolulu, Hawaii, USA, p. 2355-2358

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

  7. Published

    Nordic Remote Sensing Days 2009.Book of Abstracts

    Praks, J., Karjalainen, M., Koskinen, J., Leskinen, A., Luojus, K., Parmes, E., Sucksdorff, Y., Takala, M. & Törmä, M., 2010, Espoo, Finland, p. 108, (TKK Radio Science and Engineering Publications; no. R13).

    Research output: Working paperProfessional

  8. Published

    Polarimetric SAR image visualization and interpretation with covariance matrix invariants

    Praks, J., Hallikainen, M. & Colin Koeniguer, E., 2010, 2010 IEEE International Geoscience and Remote Sensing Symposium, Honolulu, Hawaii, USA, July 25-30, 2010. Honolulu, Hawaii, USA: IEEE geocience and Remote Sensing Society, p. 2035-2038

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

  9. 2009
  10. Published

    Alternatives to Target Entropy and Alpha Angle in SAR Polarimetry

    Praks, J., Koeniguer, E. & Hallikainen, M. T., 2009, In : IEEE Transactions on Geoscience and Remote Sensing . 47, 7, p. 2262-2274

    Research output: Contribution to journalArticle

  11. Published

    An urban morphological database created using remote sensing for modeling of atmospheric dispersion and micro-meteorology

    Sievinen, P., Praks, J., Koskinen, J., Kukkonen, J., Hellsten, A. & Hallikainen, M., 2009, Nordic Remote Sensing Days, Helsinki, Finland, October 22-23, 2009. Helsinki, Finland

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

  12. Published

    A sun glint correction method for hyperspectral imagery containing areas with non-negligible water leaving NIR signal

    Kutser, T., Vahtmae, E. & Praks, J., 2009, In : Remote Sensing of Environment. 113, 10, p. 2267-2274

    Research output: Contribution to journalArticle

  13. Published

    Boreal forest height estimation with SAR interferometry and laser measurements

    Praks, J., Hallikainen, M., Seppänen, J. & Hyyppä, J., 2009, 2009 IEEE International Geoscience and Remote Sensing Symposium, Cape Town, South Africa, July 12-17, 2009. Cape Town, South Africa, p. 301-311

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

  14. Published

    Studies of phase center and extinction coefficient of boreal forest using X- and L-band polarimetric interferometry combined with lidar measurements

    Praks, J., Hallikainen, M. & Yu, X., 2009, ESA POLinSAR 2009, Frascati, Italy, January 26-30, 2009. Frascati, Italy

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

  15. Published

    Urban morphology retrieval by means of remote sensing for climate modelling of atmospheric dispersion and micro-meteorology

    Sievinen, P., Praks, J., Koskinen, J. & Hallikainen, M., 2009, 2009 IEEE International Geoscience and Remote Sensing Symposium, Cape Town, South Africa, July 12-17, 2009. Cape Town, South Africa, p. 877-880

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

  16. Published
  17. 2008
  18. Published

    NewSAR Project, Final Report 1.7.2006-31.5.2008

    Rauste, Y., Lönnqvist, A., Molinier, M., Ahola, H., Praks, J., Tares, T., Laaksonen, J., Karila, K. & Karjalainen, M., 2008, Espoo, (VTT-R-05074-08).

    Research output: Working paperProfessional

  19. Published

    SAR coherence tomography for boreal forest with aid of laser measurements

    Praks, J., Kugler, F., Papathanassiou, K., Hyyppä, J. & Hallikainen, M., 2008, IEEE 2008 International Geoscience and Remote Sensing Symposium (IGARSS'08), Boston, MA, USA, 6-11 July, 2008. Boston, MA

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

  20. Published

    Tomographic measurement of boreal forest with synthetic aperture radar

    Praks, J., Hallikainen, M. & Yu, X., 2008, URSI Finnish XXXI Convention on Radio Science and Electromagnetics 2008 Meeting, Espoo, Finland, 28 October, 2008. Espoo, Finland, p. 85-86

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

  21. Published

    URSI Finnish XXXI convention on radio science and Electromagnetics 2008 meeting - Book of Abstracts

    Praks, J. & Sihvola, A., 2008, Espoo, p. 92, (TKK Radio Science and Engineering Publications; no. Report R5).

    Research output: Working paperProfessional

  22. 2007
  23. Published

    Forest Heigh Estimates for Boreal Forest using L-and X-band POL inSAR and HUTSCAT Scatterometer

    Praks, J., Kugler, F., Papathanassiou, K. & Hallikainen, M., 2007, ESA 2007 Workshop on Applications of SAR Polarimetry and Polarimetric Interometry (POLinSAR 2007), ESA, ESRIN, Franscati, Italy. Italy, p. pp.

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

  24. Published

    Height Estimation of Boreal Forest: Interferometric Model-Based Inversion at L- and X-Band Versus HUTSCAT Profiling Scatterometer

    Praks, J., Kugler, F., Papathanassiou, K. P., Hajnsek, I. & Hallikainen, M., 2007, In : IEEE Geoscience and Remote Sensing Letters. 4, 3, p. 466470

    Research output: Contribution to journalArticle

  25. Published

    Hight Estimation of Boreal Forest: Interferometric Model-Based Inversion at L-and X-Band Versus HUTSCAT Profiling Scatterometer

    Praks, J., Kugler, F., Papathanassiou, K., Hajnsek, I. & Hallikainen, M., 2007, In : IEEE Geoscience and Remote Sensing Letters. 4, 3, p. 466-470

    Research output: Contribution to journalArticle

  26. Published

    X-band Extinction in Boreal Forest: Estimation by Using ESAR POLInSAR and HUTSCAT

    Praks, J., Kugler, F., Papathanassiou, K. & Hallikainen, M., 2007, IEEE 2007 International Geoscience and Remote Sensing Symposium (IGARSS'2007) Barcelona, Spain, July 23-27, 2007. Spain, p. 1128-1131

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

  27. 2006
  28. Published

    L-band polarimetric interferometry in boreal forest estimation, a case study

    Praks, J., Hallikainen, M., Kugler, F., Papathanassiou, K. & Hajnsek, I., 2006, IEEE International Geoscience and Remote Sensing Symposium (IGARSS’06) Denver, Colorado, USA, July 31-August 4, 2006. p. 2216-2219

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

  29. 2005
  30. Published

    Combining High Resolution and Low resolution Information in Synoptic representation of Fully Polarimetric SAR Images

    Praks, J. & Hallikainen, M., 2005, (ESA 2005 Workshop on Applications of SAR Polarimetry and Polarimetric Interometry (POLinSAR' 05), ESA/ESRIN, Frascati, Italy, 17.-21.1.2005).

    Research output: Working paperProfessional

  31. 2004
  32. Published

    Detection of oil pollution on sea ice with airborne and spaceborne spectrometer

    Praks, J., Eskelinen, M., Pulliainen, J., Pyhälahti, T. & Hallikainen, M., 2004, IEEE 2004 Geoscience and Remote Sensing Symposium (IGARSS'04), Anchorage, Alaska, 20-24 September, 2004. p. 273-276

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

  33. Published

    Investigation of the effect of variable viewing angle with airborne multiangular measurements

    Eskelinen, M., Pulliainen, J., Praks, J. & Hallikainen, M., 2004, IEEE 2004 International Geoscience and Remote Sensing Symposium (IGARSS'04), Anchorage, Alaska, 20-24 September, 2004. p. 1667-1670

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

  34. Published

    Radar polarimetric backscatter under different environmental conditions

    Hallikainen, M., Tares, T. & Praks, J., 2004, WEAG report, Helsinki University of Technology, Laboratory of Space Technology, Espoo, Finland, 30 April 2004. p. 52

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

  35. Published

    Satellite radar technology in remote sensing of Finland

    Hallikainen, M., Praks, J., Engdahl, M. & Raiskila, K., 2004, Annual report. IEEE

    Research output: Chapter in Book/Report/Conference proceedingChapterProfessional

  36. 2003
  37. Published

    An Alternative for Entropy- Alpha Classification for Polarimetric SAR Image

    Praks, J. & Hallikainen, M., 2003, ESA 2003 Workshop on Applications of SAR Polarimetry and Polarimetric Interometry (POLinSAR’03), Frascati, Italy, 13-16 January 2003. p. pp.

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

  38. Published

    Examination of Forest Polarimetric Backscattering with Coherent Cylinder Model

    Praks, J., Pulliainen, J., Ahtonen, P. & Hallikainen, M., 2003, IGARSS 2003 Tooulouse, France 21-25 July 2003.

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

  39. Published

    Modelled polarimetric backscattering response from single pine trees and pine canopies

    Praks, J., Ahtonen, P., Engdahl, M. & Hallikainen, M., 2003, ESA 2003 Workshop on Applications of SAR Polarimetry and Polarimetric Interometry (POLinSAR’03), Frascati, Italy, 13-16 January 2003. p. pp.

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

  40. Published

    New Modeling and Data Analysis Methods for Satellite Based Forest Inventory ( MODAFOR)

    Holmström, L., Hallikainen, M., Tomppo, E., Engdahl, M., Katila, M., Koistinen, P., Mäkisara, K., Praks, J. & Pulliainen, J., 2003, Helsinki, (MODAFOR).

    Research output: Working paperProfessional

  41. Published

    The Use of Airborne Optical Spectrometer Data in Snow Cover monitoring

    Eskelinen, M., Metsämäki, S., Pulliainen, J., Hallikainen, M. & Praks, J., 2003, p. 2823-2825, (IGARSS 2003, Toulouse, France 21-25 July 2003).

    Research output: Working paperProfessional

  42. 2002
  43. Published

    Optical remote sensing of snow and forest characteristics in Tuusula

    Eskelinen, M., Hallikainen, M., Praks, J. & Pulliainen, J., 2002, URSI/IEEE XXVII Convention on Radio Science, Espoo 2002. Sergei Tretyakov, J. S. (ed.). p. 96-98

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

  44. Published

    Radar Remote Sensing of Snow in Boreal Areas

    Hallikainen, M., Halme, P., Mäkynen, M., Pulliainen, J. & Praks, J., 2002, General Assembly of International Union of Radio Science. International Union of Radio Science (URSI)

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

  45. Published

    Simulation of Polarimetric Scattering from Forest Canopy

    Praks, J., Ahtonen, M. & Hallikainen, M., 2002, URSI/IEEE XXVII National Convention on Radio Science, Espoo, 2002. S. Tretyakov, J. S. (ed.). p. 93-94

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

  46. 2001
  47. Published

    Operation of AISA spectrometer in FOREMMS airborne campaign

    Praks, J., 2001, (URSI XXVI Convention on Radio Science and Second Finnish Wireless Communication Workshop, Tampere 2001).

    Research output: Working paperProfessional

  48. Published

    Polarimetric properties of boreal forest in L- and C-band SAR images

    Praks, J., Alasalmi, H. & Hallikainen, M., 2001, 2001 International Geoscience and Remote Sensing Symposium, Sydney, Australia 2001.

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

  49. Published

    Recent progress and challenges in radar remote sensing of snow

    Hallikainen, M., Praks, J., Pulliainen, J. & Arslan, A., 2001, Third International Symposium on Retrieval of Bio- and Geophysical Parameters from SAR Data for Land Applications, Sheffield, UK 2001. p. 8 pp.

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

  50. Published

    Remote sensing of boreal forest with polarimetric L- and C-band SAR images

    Praks, J. & Hallikainen, M., 2001, (3rd International Symposium on Retrieval of Bio- and Geophysical Parameters from SAR Data for Land Applications, Sheffield, UK 2001).

    Research output: Working paperProfessional

  51. Published

    Remote sensing of northern forests and land use

    Hallikainen, M., Pulliainen, J. & Praks, J., 2001, EMEA 2001 International Symposium on Environmental Monitoring in East Asia, Kanazawa, Japan 2001. p. p. 17

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

  52. Published

    Thinning-caused change in reflectance of ground vegetation in boreal forest

    Nilson, T., Olsson, H., Anniste, J., Lükk, T. & Praks, J., 2001, In : International Journal of Remote Sensing. 22, 14, p. 2763-2776

    Research output: Contribution to journalArticle

  53. 2000
  54. Published

    A novel approach in polarimetric covariance matrix eigendecomposition

    Praks, J. & Hallikainen, M., 2000, International Geoscience and Remote Sensing Symposium 2000 (IGARSS'00), Honolulu, USA, 24-28.7.2000. USA: IEEE Geoscience and Remote Sensing Society, p. 1119-1121

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

  55. Published

    Polarimetric SAR image classification with normalized coherency matrix

    Praks, J., 2000, URSI XXV National Convention on Radio Science 2000, Helsinki, 21-22.9.2000. Helsinki: URSI, p. 34-35

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

  56. 1999
  57. Published

    Passive microwave measurements of snow-covered forest areas in EMAC'95

    Kruopis, N., Praks, J., Arslan, A., Alasalmi, H., Koskinen, J. & Hallikainen, M., 1999, In : IEEE Transactions on Geoscience and Remote Sensing. 37, 6, p. 2699-2705

    Research output: Contribution to journalArticle

  58. Published

    SAR Polarimetry and Applications in Remote Sensing

    Praks, J., 1999, URSI/IEEE Finland XXIV National Convention on Radio Science and Remote Sensing Symposium, Turku, 4-5.10.1999. p. 84-85

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

  59. Published

    SAR Target Decomposition for Stochastic Natural Targets for L- and C-band

    Praks, J., Koskinen, J., Arslan, A., Alasalmi, H., Kruopis, N. & Hallikainen, M., 1999, IGARSS'99, Hampuri, 28.6.-2.7.1999. IEEE, p. 1558-1560

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

  60. 1998
  61. Published

    Cloude's Target Decomposition Theorems Applied to EMISAR Data Acquired During EMAC'95 Snow Campaign

    Praks, J. K., Arslan, A., Alasalmi, H., Kruopis, N. & Hallikainen, M., 1998, 1998 IEEE International Geoscience and Remote Sensing Symposium, Seattle, USA, 6-10 July, 1998. Piscataway NJ: IEEE, p. 1538-1540

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

  62. Published

    Investigation of Snow and Forest Properties by Using Airborne SAR Data

    Alasalmi, H., Praks, J., Arslan, A., Koskinen, J. & Hallikainen, M., 1998, Second International Workshop on Retrieval of Bio- and Geophysical Parameters from SAR data for Land Applications, Noordwijk, The Netherlands, 1998. ESA ESTEC

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

  63. Published

    Retrieving Snow Water Equivalence on C- and L-Band SAR Data for Dry Snow

    Arslan, A., Koskinen, J., Praks, J., Alasalmi, H., Kruopis, N. & Hallikainen, M., 1998, 1998 IEEE International Geoscience and Remote Sensing Symposium, Seattle, USA, 6-10 July, 1998. Piscataway NJ: IEEE, p. 1870-1872

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

  64. 1997
  65. Published

    Mapping of Snow with Airborne Sensors in EMAC'95

    Hallikainen, M., Koskinen, J., Praks, J., Arslan, A., Alasalmi, H. & Makkonen, P., 1997, Noordwijk, Hollanti.

    Research output: Working paperProfessional

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