Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Jussi Mäkynen"'
Autor:
Jussi Mäkynen, Paula Litkey, Teemu Hakala, Ilkka Pölönen, Jere Kaivosoja, Heikki Saari, Eija Honkavaara, Liisa Pesonen
Publikováno v:
Remote Sensing, Vol 5, Iss 10, Pp 5006-5039 (2013)
Imaging using lightweight, unmanned airborne vehicles (UAVs) is one of the most rapidly developing fields in remote sensing technology. The new, tunable, Fabry-Perot interferometer-based (FPI) spectral camera, which weighs less than 700 g, makes it p
Externí odkaz:
https://doaj.org/article/7b94b5137a09484cbf19796883d2836f
Publikováno v:
Holmlund, C, Näsilä, A & Mäkynen, J 2020, ' Control Electronics for High Wavelength Accuracy in a Nanosatellite Hyperspectral Imager ', Journal of Small Satellites, vol. 9, no. 2, pp. 911-920 . < https://jossonline.com/letters/control-electronics-for-high-wavelength-accuracy-in-a-nanosatellite-hyperspectral-imager/ >
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
Nanosatellite-compatible miniaturized hyperspectral imagers must achieve excellent wavelength accuracy in order to provide data suitable for use in scientific missions. This paper presents the gap control of the Fabry-Perot interferometer (FPI) used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6c9f6255fb608f1d570464d11c380de3
https://cris.vtt.fi/en/publications/7c9a919e-1821-4d8e-8431-704e8711143a
https://cris.vtt.fi/en/publications/7c9a919e-1821-4d8e-8431-704e8711143a
Autor:
Heikki Saari, Lauri Marklelin, Jussi Mäkynen, Ismo Pellikka, Tomi Rosnell, Liisa Pesonen, Heikki Salo, Jere Kaivosoja, Eija Honkavaara, Teemu Hakala
Publikováno v:
Honkavaara, E, Kaivosoja, J, Mäkynen, J, Pellikka, I, Pesonen, L, Saari, H, Salo, H, Hakala, T, Marklelin, L & Rosnell, T 2012, Hyperspectral reflectance signatures and point clouds for precision agriculture by light weight UAV imaging system . in M Shortis, W Wagner & J Hyyppä (eds), XXII ISPRS Congress 2012 : Technical Commission VII . International Society for Photogrammetry and Remote Sensing ISPRS, ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol. 1-7, pp. 353-358, 2012 XXII ISPRS Congress, Melbourne, Australia, 25/08/12 . https://doi.org/10.5194/isprsannals-I-7-353-2012
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol I-7, Pp 353-358 (2012)
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol I-7, Pp 353-358 (2012)
The objective of this investigation was to study the use of a new type of a low-weight unmanned aerial vehicle (UAV) imaging system in the precision agriculture. The system consists of a novel Fabry-Perot interferometer based hyperspectral camera and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76c5035739c75e38f6c5abaed798e313
https://www.isprs-ann-photogramm-remote-sens-spatial-inf-sci.net/I-7/353/2012/
https://www.isprs-ann-photogramm-remote-sens-spatial-inf-sci.net/I-7/353/2012/
Autor:
Kimmo Nurminen, Teemu Hakala, Lauri Markelin, Heikki Saari, P. Ruokokoski, J. Kirjasniemi, A. Lindfors, Jussi Mäkynen, Eija Honkavaara
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XL-1-W1, Pp 139-144 (2013)
Scopus-Elsevier
Honkavaara, E, Hakala, T, Kirjasniemi, J, Lindfors, A, Mäkynen, J, Nurminen, K, Ruokokoski, P, Saari, H & Markelin, L 2013, New light-weight stereosopic spectrometric airborne imaging technology for high-resolution environmental remote sensing : Case studies in water quality mapping . in C Heipke, K Jacobsen, F Rottensteiner & U Sörgel (eds), ISPRS Hannover Workshop 2013 . International Society of Photogrammetry and Remote Sensing, International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol. XL-1/W1, pp. 139-144, ISPRS Hannover Workshop 2013, Hannover, Germany, 21/05/13 . https://doi.org/10.5194/isprsarchives-XL-1-W1-139-2013
Scopus-Elsevier
Honkavaara, E, Hakala, T, Kirjasniemi, J, Lindfors, A, Mäkynen, J, Nurminen, K, Ruokokoski, P, Saari, H & Markelin, L 2013, New light-weight stereosopic spectrometric airborne imaging technology for high-resolution environmental remote sensing : Case studies in water quality mapping . in C Heipke, K Jacobsen, F Rottensteiner & U Sörgel (eds), ISPRS Hannover Workshop 2013 . International Society of Photogrammetry and Remote Sensing, International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol. XL-1/W1, pp. 139-144, ISPRS Hannover Workshop 2013, Hannover, Germany, 21/05/13 . https://doi.org/10.5194/isprsarchives-XL-1-W1-139-2013
A new Fabry-Perot interferometer (FPI) based light-weight spectrometric camera provides new possibilities for environmental remote sensing applications. The sensor collects spectral data cubes with adjustable spectral properties in a rectangular imag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::824240f75021f873a501c031c480a608
https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XL-1-W1/139/2013/
https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XL-1-W1/139/2013/
Publikováno v:
Next-Generation Spectroscopic Technologies X.
Near Infrared (NIR) spectrometers have been widely used in many material inspection applications, but mainly in central laboratories. The role of miniaturization, robustness of spectrometer and portability are really crucial when field inspection too
Autor:
Heikki Saari, Ilkka Pölönen, Jere Kaivosoja, Liisa Pesonen, Paula Litkey, Eija Honkavaara, Jussi Mäkynen, Teemu Hakala
Publikováno v:
Remote Sensing; Volume 5; Issue 10; Pages: 5006-5039
Honkavaara, E, Saari, H, Kaivosoja, J, Pölönen, I, Hakala, T, Litkey, P, Mäkynen, J & Pesonen, L 2013, ' Processing and assessment of spectrometric, stereoscopic imagery collected using a lightweight UAV spectral camera for precision agriculture ', Remote Sensing, vol. 5, no. 10, pp. 5006-5039 . https://doi.org/10.3390/rs5105006
Remote Sensing, Vol 5, Iss 10, Pp 5006-5039 (2013)
Honkavaara, E, Saari, H, Kaivosoja, J, Pölönen, I, Hakala, T, Litkey, P, Mäkynen, J & Pesonen, L 2013, ' Processing and assessment of spectrometric, stereoscopic imagery collected using a lightweight UAV spectral camera for precision agriculture ', Remote Sensing, vol. 5, no. 10, pp. 5006-5039 . https://doi.org/10.3390/rs5105006
Remote Sensing, Vol 5, Iss 10, Pp 5006-5039 (2013)
Imaging using lightweight, unmanned airborne vehicles (UAVs) is one of the most rapidly developing fields in remote sensing technology. The new, tunable, Fabry-Perot interferometer-based (FPI) spectral camera, which weighs less than 700 g, makes it p
Publikováno v:
SPIE Proceedings.
Near Infrared (NIR) spectrometers are widely used in many fields to measure material content, such as moisture, fat and protein in grains, foodstuffs and pharmaceutical powders. These fields include applications where only highly miniaturized and rob
Autor:
Uula Kantojärvi, Rami Mannila, Christer Holmlund, Aapo Varpula, Jarkko Antila, Rolf Disch, Torsten Waldmann, Anna Rissanen, Jussi Mäkynen, Antti Näsilä, Tapani Antila
Publikováno v:
Kantojärvi, U, Varpula, A, Antila, T, Holmlund, C, Mäkynen, J, Näsilä, A, Mannila, R, Rissanen, A, Antila, J, Disch, R J & Waldmann, T A 2014, Compact large-aperture Fabry-Pérot interferometer modules for gas spectroscopy at Mid-IR . in Y G Soskind & C Olson (eds), Photonic Instrumentation Engineering ., 89920C, International Society for Optics and Photonics SPIE, Proceedings of SPIE, vol. 8992, SPIE Photonics West 2014, San Francisco, United States, 1/02/14 . https://doi.org/10.1117/12.2036336
VTT has developed Fabry-Perot Interferometers (FPI) for visible and infrared wavelengths since 90’s. Here we present two new platforms for mid-infrared gas spectroscopy having a large optical aperture to provide high optical throughput but still en
Publikováno v:
Mäkynen, J H, Tuohiniemi, M, Näsilä, A, Mannila, R & Antila, J E 2014, MEMS Fabry-Perot interferometer-based spectrometer demonstrator for 7.5 µm to 9.5 µm wavelength range . in W Piyawattanametha & Y-H Park (eds), MOEMS and Miniaturized Systems XIII ., 89770U, International Society for Optics and Photonics SPIE, Proceedings of SPIE, vol. 8977, SPIE Photonics West 2014, San Francisco, United States, 1/02/14 . https://doi.org/10.1117/12.2036272
VTT Technical research centre of Finland has developed a MEMS Fabry-Perot interferometer (FPI) for the wavelength range from 7.5 μm to 9.5 μm. The device consists of two Distributed Bragg Reflectors (DBR) manufactured with MEMS processing technique
Publikováno v:
Glimtoft, M, Bååth, P, Saari, H, Mäkynen, J, Näsilä, A & Östmark, H 2014, Towards eye-safe standoff Raman imaging systems . in Proceedings of SPIE : Volume 9072, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XIX, 2014 . vol. 9072, International Society for Optics and Photonics SPIE, Proceedings of SPIE, vol. 9072, SPIE Defense + Security, Baltimore, Maryland, United States, 5/05/14 . https://doi.org/10.1117/12.2049676
Standoff Raman imaging systems have shown the ability to detect single explosives particles. However, in many cases, the laser intensities needed restrict the applications where they can be safely used. A new generation imaging Raman system has been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4265d6b4daf8bc6e682753cc0c062e27
https://cris.vtt.fi/en/publications/df7f5bf2-3219-4a8c-8e4c-6a4c6ba6dfca
https://cris.vtt.fi/en/publications/df7f5bf2-3219-4a8c-8e4c-6a4c6ba6dfca