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Daniel Schlaepfer. Published 2 articles in journals. Works in the area(s) of Engineering and Technology with emphasis on Environmental Engineering with emphasis on Remote Sensing. In their professional activities interacted with 7 collaborator(s) co-authorship of scientific papers.
Identificação

Identificação pessoal

Nome completo
Daniel Schlaepfer

Nomes de citação

  • Schlaepfer, Daniel

Identificadores de autor

Ciência ID
B81D-440F-D658
ORCID iD
0000-0001-6448-4858

Moradas

  • Langeggweg 3, 9500, Wil, SG, Suiça (Profissional)

Websites

  • www.rese-apps.com (Profissional)
  • www.daniel-schlaepfer.ch (Pessoal)

Domínios de atuação

  • Ciências da Engenharia e Tecnologias - Engenharia do Ambiente - Controle Remoto

Idiomas

Idioma Conversação Leitura Escrita Compreensão Peer-review
Alemão (Idioma materno)
Inglês Utilizador proficiente (C2) Utilizador proficiente (C2) Utilizador proficiente (C2) Utilizador proficiente (C2) Utilizador proficiente (C2)
Francês Utilizador independente (B2) Utilizador proficiente (C1) Utilizador independente (B2) Utilizador independente (B1) Utilizador independente (B1)
Formação
Grau Classificação
1998/04/01
Concluído
 remote sensing (Doktor (PhD))
Especialização em Atmospheric Physics
Universität Zürich Institut für Geographie, Suiça
Percurso profissional

Ciência

Categoria Profissional
Instituição de acolhimento 		Empregador
2000/06 - Atual Investigador principal (carreira) (Investigação) ReSe Applications LLC, Suiça
Produções

Publicações

Artigo em conferência
  1. Schläpfer, D.; Richter, R.. "Evaluation of brefcor BRDF effects correction for HYSPEX, CASI, and APEX imaging spectroscopy data". 2017.
    10.1109/WHISPERS.2014.8077488
  2. Schlapfer, D.; Richter, R.; Kellenberger, T.. "Aspects of atmospheric and topographic correction of high spatial resolution imagery". 2012.
    10.1109/IGARSS.2012.6351719
  3. Honkavaara, E.; Arbiol, R.; Markelin, L.; Martinez, L.; Bovet, S.; Bredif, M.; Chandelier, L.; et al. "The EuroSDR project "Radiometric aspects of digital photogrammetric images" - Results of the empirical phase". 2011.
  4. Jehle, M.; Hueni, A.; Damm, A.; D'Odorico, P.; Weyermann, J.; Kneubühler, M.; Schläpfer, D.; Schaepman, M.E.; Meuleman, K.. "APEX - Current status, performance and validation concept". 2010.
    10.1109/ICSENS.2010.5690122
  5. Hueni, A.; Rey, S.; Schläpfer, D.; Schopfer, J.; Kneubuehler, M.. "Visualisation, processing and storage of spectrodirectional data based on the spectral database specchio". 2009.
    10.1109/IGARSS.2009.5416938
  6. Weyermann, J.; Schläpfer, D.; Hueni, A.; Kneubühler, M.; Schaepman, M.. "Spectral Angle Mapper (SAM) for anisotropy class indexing in imaging spectrometry data". 2009.
    10.1117/12.825991
  7. Schläpfer, D.; Biesemans, J.; Hueni, A.; Meuleman, K.. "Evaluation of the atmospheric correction procedure for the APEX level 2/3 processor". 2008.
    10.1117/12.799884
  8. Hueni, A.; Schopfer, J.; Schläpfer, D.; Kneubuehler, M.; Nieke, J.. "PRE-processing of dual-view FIGOS data: Towards operational brdf retrieval". 2008.
  9. Dell'Endice, F.; Nieke, J.; Schläpfer, D.; Itten, K.I.. "Spatial misregistration detection for hyperspectral sensor using inflight data". 2007.
    10.1117/12.718591
  10. Seidel, F.C.; Nieke, J.; Schläpfer, D.; Itten, K.I.; Bowles, J.H.. "Evaluation of near-UV/blue aerosol optical thickness retrieval from airborne hyperspectral imagery". 2006.
    10.1109/IGARSS.2006.581
  11. Seidel, F.; Nicke, J.; Schläpfer, D.; Höller, R.; Von Hoyningen-Huene, W.; Itten, K.. "Aerosol retrieval for APEX airborne imaging spectrometer: A preliminary analysis". 2005.
    10.1117/12.646829
  12. Brazile, J.; Schaepman, M.E.; Schläpfer, D.; Kaiser, J.W.; Nieke, J.; Itten, K.I.. "Cluster versus grid for large-volume hyperspectral image preprocessing". 2004.
    10.1117/12.559849
  13. Schläpfer, D.; Kaiser, J.W.; Brazile, J.; Schaepman, M.; Itten, K.I.. "Calibration concept for potential optical aberrations of the APEX pushbroom imaging spectrometer". 2004.
    10.1117/12.510640
  14. Kneubu¿ler, M.; Schaepman, M.E.; Thome, K.J.; Schläpfer, D.. "MERIS / ENVISAT Vicarious Calibration Over Land". 2004.
    10.1117/12.510449
  15. Nieke, J.; Itten, K.I.; Kaiser, J.W.; Schläpfer, D.; Brazile, J.; Debruyn, W.; Meuleman, K.; et al. "APEX: Current status of the airborne dispersive pushbroom imaging spectrometer". 2004.
    10.1117/12.561430
  16. Nieke, J.; Kaiser, J.W.; Schläpfer, D.; Brazile, J.; Itten, K.I.; Strobl, P.; Schaepman, M.E.; Ulbrich, G.. "Calibration methodology for the airborne dispersive pushbroom imaging spectrometer (APEX)". 2004.
    10.1117/12.566364
  17. Schaepman, M.E.; Itten, K.I.; Schläpfer, D.; Kaiser, J.W.; Brazile, J.; Debruyn, W.; Neukom, A.; et al. "APEX: Current Status of the Airborne Dispersive Pushbroom Imaging Spectrometer". 2004.
    10.1117/12.513745
  18. Kaiser, J.W.; Schläpfer, D.; Brazile, J.; Strobl, P.; Schaepman, M.E.; Itten, K.I.. "Assimilation of Heterogeneous Calibration Measurements for the APEX Spectrometer". 2004.
    10.1117/12.511126
  19. Schaepman, M.E.; Itten, K.I.; Schläpfer, D.; Kaiser, J.W.; Brazile, J.; Debruyn, W.; Neukom, A.; et al. "Status of the Airborne Dispersive Pushbroom Imaging Spectrometer APEX (Airborne Prism Experiment)". 2003.
  20. Bojinski, S.; Schläpfer, D.; Schaepman, M.; Keller, J.. "Aerosol mapping over rugged heterogeneous terrain with imaging spectrometer data". 2002.
    10.1117/12.451623
  21. Schaepman, Michael E.; Schlapfer, Daniel; Itten, Klaus I.. "APEX - a new pushbroom imaging spectrometer for imaging spectroscopy applications: Current design and status". 2000.
  22. Borner, Anko; Schaepman, Michael; Schlapfer, Daniel; Wiest, Lorenz; Reulke, Ralf. "Simulation of APEX data: the SENSOR approach". 1999.
  23. Schläpfer, D.; Schaepman, M.E.; Itten, K.I.. "PARGE: Parametric geocoding based on GCP-calibrated auxiliary data". 1998.
    10.1117/12.328114
Artigo em revista
  1. Anthony Laybros; Daniel Schläpfer; Jean-Baptiste Feret; Laurent DESCROIX; Caroline Bedeau; Marie-Jose Lefevre; grégoire vincent. "Across Date Species Detection Using Airborne Imaging Spectroscopy". Remote Sensing (2019): https://www.mdpi.com/2072-4292/11/7/789.
    10.3390/rs11070789
  2. Schlaepfer, Daniel. "Cast Shadow Detection to Quantify the Aerosol Optical Thickness for Atmospheric Correction of High Spatial Resolution Optical Imagery". Remote Sensing (2018): http://www.mdpi.com/2072-4292/10/2/200.
    10.3390/rs10020200
  3. Thompson, D.R.; Guanter, L.; Berk, A.; Gao, B.-C.; Richter, R.; Schläpfer, D.; Thome, K.J.. "Retrieval of Atmospheric Parameters and Surface Reflectance from Visible and Shortwave Infrared Imaging Spectroscopy Data". Surveys in Geophysics (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85050630646&partnerID=MN8TOARS.
    10.1007/s10712-018-9488-9
  4. Fawcett, D.; Verhoef, W.; Schläpfer, D.; Schneider, F.D.; Schaepman, M.E.; Damm, A.. "Advancing retrievals of surface reflectance and vegetation indices over forest ecosystems by combining imaging spectroscopy, digital object models, and 3D canopy modelling". Remote Sensing of Environment 204 (2018): 583-595. http://www.scopus.com/inward/record.url?eid=2-s2.0-85031424519&partnerID=MN8TOARS.
    10.1016/j.rse.2017.09.040
  5. Hueni, A.; Damm, A.; Kneubuehler, M.; Schlapfer, D.; Schaepman, M.E.. "Field and Airborne Spectroscopy Cross Validation -Some Considerations". IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 10 3 (2017): 1117-1135. http://www.scopus.com/inward/record.url?eid=2-s2.0-85027489567&partnerID=MN8TOARS.
    10.1109/JSTARS.2016.2593984
  6. Schläpfer, D.; Richter, R.. "Atmospheric correction of imaging spectroscopy data using shadow-based quantification of aerosol scattering effects". EARSeL eProceedings 16 1 (2017): 21-28. http://www.scopus.com/inward/record.url?eid=2-s2.0-85042349877&partnerID=MN8TOARS.
    10.12760/01-2017-1-03
  7. Makarau, A.; Richter, R.; Schlapfer, D.; Reinartz, P.. "APDA Water Vapor Retrieval Validation for Sentinel-2 Imagery". IEEE Geoscience and Remote Sensing Letters 14 2 (2017): 227-231. http://www.scopus.com/inward/record.url?eid=2-s2.0-85007070778&partnerID=MN8TOARS.
    10.1109/LGRS.2016.2635942
  8. Makarau, A.; Richter, R.; Schlapfer, D.; Reinartz, P.. "Combined Haze and Cirrus Removal for Multispectral Imagery". IEEE Geoscience and Remote Sensing Letters 13 3 (2016): 379-383. http://www.scopus.com/inward/record.url?eid=2-s2.0-84961361869&partnerID=MN8TOARS.
    10.1109/LGRS.2016.2515110
  9. Damm, A.; Guanter, L.; Verhoef, W.; Schläpfer, D.; Garbari, S.; Schaepman, M.E.. "Impact of varying irradiance on vegetation indices and chlorophyll fluorescence derived from spectroscopy data". Remote Sensing of Environment 156 (2015): 202-215. http://www.scopus.com/inward/record.url?eid=2-s2.0-84910086898&partnerID=MN8TOARS.
    10.1016/j.rse.2014.09.031
  10. Schaepman, M.E.; Jehle, M.; Hueni, A.; D'Odorico, P.; Damma, A.; Weyermann, J.; Schneider, F.D.; et al. "Advanced radiometry measurements and Earth science applicationswith the Airborne Prism Experiment (APEX)". Remote Sensing of Environment 158 1 (2015): 207-219. http://www.scopus.com/inward/record.url?eid=2-s2.0-84923089038&partnerID=MN8TOARS.
    10.1016/j.rse.2014.11.014
  11. Weyermann, J.; Kneubühler, M.; Schläpfer, D.; Schaepman, M.E.. "Minimizing reflectance anisotropy effects in airborne spectroscopy data using Ross-Li model inversion with continuous field land cover stratification". IEEE Transactions on Geoscience and Remote Sensing 53 11 (2015): 5814-5823. http://www.scopus.com/inward/record.url?eid=2-s2.0-85028210190&partnerID=MN8TOARS.
    10.1109/TGRS.2015.2415872
  12. Schlapfer, D.; Richter, R.; Feingersh, T.. "Operational BRDF effects correction for wide-field-of-view optical scanners (BREFCOR)". IEEE Transactions on Geoscience and Remote Sensing 53 4 (2015): 1855-1864. http://www.scopus.com/inward/record.url?eid=2-s2.0-84908087599&partnerID=MN8TOARS.
    10.1109/TGRS.2014.2349946
  13. Richter, R.; Heege, T.; Kiselev, V.; Schläpfer, D.. "Correction of ozone influence on TOA radiance". International Journal of Remote Sensing 35 23 (2014): 8044-8056. http://www.scopus.com/inward/record.url?eid=2-s2.0-84912049323&partnerID=MN8TOARS.
    10.1080/01431161.2014.978041
  14. Markelin, L.; Honkavaara, E.; Schläpfer, D.; Bovet, S.; Korpela, I.. "Assessment of radiometric correction methods for ADS40 imagery". Photogrammetrie, Fernerkundung, Geoinformation 2012 3 (2012): 251-266. http://www.scopus.com/inward/record.url?eid=2-s2.0-84863110023&partnerID=MN8TOARS.
    10.1127/1432-8364/2012/0115
  15. Richter, R.; Wang, X.; Bachmann, M.; Schläpfer, D.. "Correction of cirrus effects in sentinel-2 type of imagery". International Journal of Remote Sensing 32 10 (2011): 2931-2941. http://www.scopus.com/inward/record.url?eid=2-s2.0-79957611709&partnerID=MN8TOARS.
    10.1080/01431161.2010.520346
  16. Richter, R.; Schlapfer, D.; Muller, A.. "Operational atmospheric correction for imaging spectrometers accounting for the smile effect". IEEE Transactions on Geoscience and Remote Sensing 49 5 (2011): 1772-1780. http://www.scopus.com/inward/record.url?eid=2-s2.0-79955636198&partnerID=MN8TOARS.
    10.1109/TGRS.2010.2089799
  17. D'Odorico, P.; Guanter, L.; Schaepman, M.E.; Schläpfer, D.. "Performance assessment of onboard and scene-based methods for Airborne Prism Experiment spectral characterization". Applied Optics 50 24 (2011): 4755-4764. http://www.scopus.com/inward/record.url?eid=2-s2.0-80051896089&partnerID=MN8TOARS.
    10.1364/AO.50.004755
  18. Honkavaara, E.; Arbiol, R.; Markelin, L.; Martinez, L.; Cramer, M.; Bovet, S.; Chandelier, L.; et al. "Digital airborne photogrammetry-a new tool for quantitative remote sensing?-a state-of-the-art review on radiometric aspects of digital photogrammetric images". Remote Sensing 1 3 (2009): 577-605. http://www.scopus.com/inward/record.url?eid=2-s2.0-77951204455&partnerID=MN8TOARS.
    10.3390/rs1030577
  19. Richter, R.; Schläpfer, D.. "Reply to: 'Error propagation in atmospheric correction due to azimuthal angle simplification of lookup tables'". International Journal of Remote Sensing 30 2 (2009): 283-283. http://www.scopus.com/inward/record.url?eid=2-s2.0-57049092229&partnerID=MN8TOARS.
    10.1080/01431160802546845
  20. Hueni, A.; Biesemans, J.; Meuleman, K.; Dell'Endice, F.; Schlapfer, D.; Odermatt, D.; Kneubuehler, M.; et al. "Structure, components, and interfaces of the airborne prism experiment (APEX) processing and archiving facility". IEEE Transactions on Geoscience and Remote Sensing 47 1 (2009): 29-43. http://www.scopus.com/inward/record.url?eid=2-s2.0-58149129408&partnerID=MN8TOARS.
    10.1109/TGRS.2008.2005828
  21. Nieke, J.; Schläpfer, D.; Dell'Endice, F.; Brazile, J.; Itten, K.I.. "Uniformity of imaging spectrometry data products". IEEE Transactions on Geoscience and Remote Sensing 46 10 (2008): 3326-3336. http://www.scopus.com/inward/record.url?eid=2-s2.0-53849102627&partnerID=MN8TOARS.
    10.1109/TGRS.2008.918764
  22. Itten, K.I.; Dell'Endice, F.; Hueni, A.; Kneubühler, M.; Schläpfer, D.; Odermatt, D.; Seidel, F.; et al. "APEX - The hyperspectral ESA airborne prism experiment". Sensors 8 10 (2008): 6235-6259. http://www.scopus.com/inward/record.url?eid=2-s2.0-55249118206&partnerID=MN8TOARS.
    10.3390/s8106235
  23. Brazile, J.; Neville, R.A.; Staenz, K.; Schläpfer, D.; Sun, L.; Itten, K.I.. "Toward scene-based retrieval of spectral response functions for hyperspectral imagers using Fraunhofer features". Canadian Journal of Remote Sensing 34 (2008): S43-S58. http://www.scopus.com/inward/record.url?eid=2-s2.0-47549105917&partnerID=MN8TOARS.
    10.5589/m07-069
  24. Brazile, J.; Richter, R.; Schläpfer, D.; Schaepman, M.E.; Itten, K.I.. "Cluster versus grid for operational generation of ATCOR's modtran-based look up tables". Parallel Computing 34 1 (2008): 32-46. http://www.scopus.com/inward/record.url?eid=2-s2.0-38349084053&partnerID=MN8TOARS.
    10.1016/j.parco.2007.11.002
  25. Seidel, F.; Schläpfer, D.; Nieke, J.; Itten, K.I.. "Sensor performance requirements for the retrieval of atmospheric aerosols by airborne optical remote sensing". Sensors 8 3 (2008): 1901-1914. http://www.scopus.com/inward/record.url?eid=2-s2.0-41549085705&partnerID=MN8TOARS.
    10.3390/s8031901
  26. Richter, R.; Schläpfer, D.. "Considerations on water vapor and surface reflectance retrievals for a spaceborne imaging spectrometer". IEEE Transactions on Geoscience and Remote Sensing 46 7 (2008): 1958-1966. http://www.scopus.com/inward/record.url?eid=2-s2.0-45849090387&partnerID=MN8TOARS.
    10.1109/TGRS.2008.916470
  27. Schläpfer, D.; Nieke, J.; Itten, K.I.. "Spatial PSF nonuniformity effects in airborne pushbroom imaging spectrometry data". IEEE Transactions on Geoscience and Remote Sensing 45 2 (2007): 458-468. http://www.scopus.com/inward/record.url?eid=2-s2.0-33846639207&partnerID=MN8TOARS.
    10.1109/TGRS.2006.886182
  28. Dell'endice, F.; Nieke, J.; Schläpfer, D.; Itten, K.I.. "Scene-based method for spatial misregistration detection in hyperspectral imagery". Applied Optics 46 15 (2007): 2803-2816. http://www.scopus.com/inward/record.url?eid=2-s2.0-34547349950&partnerID=MN8TOARS.
    10.1364/AO.46.002803
  29. Böttger, U.; Nieke, J.; Schläpfer, D.. "Assessing polarization effects for the Airborne imaging spectrometer APEX". Advances in Radio Science 4 (2006): 323-328. http://www.scopus.com/inward/record.url?eid=2-s2.0-33748554132&partnerID=MN8TOARS.
    10.5194/ars-4-323-2006
  30. Brazile, J.; Neville, R.A.; Staenz, K.; Schläpfer, D.; Sun, L.; Itten, K.I.. "Scene-based spectral response function shape discernibility for the APEX imaging spectrometer". IEEE Geoscience and Remote Sensing Letters 3 3 (2006): 414-418. http://www.scopus.com/inward/record.url?eid=2-s2.0-33746598262&partnerID=MN8TOARS.
    10.1109/LGRS.2006.873873
  31. Richter, R.; Schläpfer, D.; Müller, A.. "An automatic atmospheric correction algorithm for visible/NIR imagery". International Journal of Remote Sensing 27 10 (2006): 2077-2085. http://www.scopus.com/inward/record.url?eid=2-s2.0-33747175110&partnerID=MN8TOARS.
    10.1080/01431160500486690
  32. Bojinski, S.; Schläpfer, D.; Schaepman, M.; Keller, J.; Itten, K.. "Aerosol mapping over land with imaging spectroscopy using spectral autocorrelation". International Journal of Remote Sensing 25 22 (2004): 5025-5047. http://www.scopus.com/inward/record.url?eid=2-s2.0-8844256274&partnerID=MN8TOARS.
    10.1080/01431160410001719830
  33. Bojinski, S.; Schaepman, M.; Schläpfer, D.; Itten, K.. "SPECCHIO: A spectrum database for remote sensing applications". Computers and Geosciences 29 1 (2003): 27-38. http://www.scopus.com/inward/record.url?eid=2-s2.0-0037290810&partnerID=MN8TOARS.
    10.1016/S0098-3004(02)00107-3
  34. Schläpfer, D.; Richter, R.. "Geo-atmospheric processing of airborne imaging spectrometry data. Part 1: Parametric orthorectification". International Journal of Remote Sensing 23 13 (2002): 2609-2630. http://www.scopus.com/inward/record.url?eid=2-s2.0-0037063149&partnerID=MN8TOARS.
    10.1080/01431160110115825
  35. Schaepman, M.E.; Schlàpfer, D.; Brazile, J.; Bojinski, S.. "Processing of large-volume airborne imaging spectrometer data: The APEX approach". Proceedings of SPIE - The International Society for Optical Engineering 4816 (2002): 72-79. http://www.scopus.com/inward/record.url?eid=2-s2.0-0036995958&partnerID=MN8TOARS.
    10.1117/12.453795
  36. Richter, R.; Schläpfer, D.. "Geo-atmospheric processing of wide FOV airborne imaging spectrometry data". Proceedings of SPIE-The International Society for Optical Engineering 4545 (2002): 264-273. http://www.scopus.com/inward/record.url?eid=2-s2.0-0036398276&partnerID=MN8TOARS.
    10.1117/12.453681
  37. Bojinski, S.; Schaepman, M.; Schläpfer, D.; Itten, K.. "SPECCHIO: A Web-accessible database for the administration and storage of heterogeneous spectral data". ISPRS Journal of Photogrammetry and Remote Sensing 57 3 (2002): 204-211. http://www.scopus.com/inward/record.url?eid=2-s2.0-0036895482&partnerID=MN8TOARS.
    10.1016/S0924-2716(02)00119-3
  38. Schläpfer, D.; Schaepman, M.. "Modeling the noise equivalent radiance requirements of imaging spectrometers based on scientific applications". Applied Optics 41 27 (2002): 5691-5701. http://www.scopus.com/inward/record.url?eid=2-s2.0-0037144821&partnerID=MN8TOARS.
    10.1364/AO.41.005691
  39. Richter, R.; Schläpfer, D.. "Geo-atmospheric processing of airborne imaging spectrometry data. Part 2: Atmospheric/topographic correction". International Journal of Remote Sensing 23 13 (2002): 2631-2649. http://www.scopus.com/inward/record.url?eid=2-s2.0-0037063150&partnerID=MN8TOARS.
    10.1080/01431160110115834
  40. Schaepman, M.E.; Schläpfer, D.; Müller, A.. "Performance requirements for airborne imaging spectrometers". Proceedings of SPIE - The International Society for Optical Engineering 4480 (2002): 23-31. http://www.scopus.com/inward/record.url?eid=2-s2.0-0036396738&partnerID=MN8TOARS.
    10.1117/12.453345
  41. Börner, A.; Wiest, L.; Keller, P.; Reulke, R.; Richter, R.; Schaepman, M.; Schläpfer, D.. "SENSOR: A tool for the simulation of hyperspectral remote sensing systems". ISPRS Journal of Photogrammetry and Remote Sensing 55 5-6 (2001): 299-312. http://www.scopus.com/inward/record.url?eid=2-s2.0-0035052874&partnerID=MN8TOARS.
    10.1016/S0924-2716(01)00022-3
  42. Schläpfer, D.; Sehaepman, M.; Bojinski, S.; Börner, A.. "Calibration and validation concept for the airborne prism experiment (APEX)". Canadian Journal of Remote Sensing 26 5 (2000): 455-465. http://www.scopus.com/inward/record.url?eid=2-s2.0-0034289468&partnerID=MN8TOARS.
    10.1080/07038992.2000.10855277
  43. Schläpfer, D.; Borel, C.C.; Keller, J.; Itten, K.I.. "Atmospheric precorrected differential absorption technique to retrieve columnar water vapor". Remote Sensing of Environment 65 3 (1998): 353-366. http://www.scopus.com/inward/record.url?eid=2-s2.0-17344376403&partnerID=MN8TOARS.
    10.1016/S0034-4257(98)00044-3
Capítulo de livro
  1. Ben-Dor, E.; Schläpfer, D.; Plaza, A.J.; Malthus, T.. "Hyperspectral Remote Sensing". 413-456. 2013.
Livro
  1. Schaepman, M.; Schlapfer, D.; Itten, K.. 1st EARSeL Workshop on Imaging Spectroscopy: Remote Sensing Laboratories, University of Zurich, Switzerland 6-8 October 1998. 1998.