The AISA data user's guide

Kai Mäkisara

Research output: Book/ReportReport

Abstract

The primary purpose of this report is to help the prospective users of the Finnish airborne imaging spectrometer AISA to better utilise the data the instrument collects. Most of the topics discussed are also applicable to other airborne imaging spectrometers. The emphasis is on understanding the formation and the characteristics of the data and the data processing methods used with this kind of data. The structure of the AISA instrument is reviewed with emphasis on the aspects that have effect on the usability of the data collected by the instrument. Practical methods and rules of thumb for selection of the data collection parameters for different applications are presented. The radiometric processing of the data, including the atmospheric correction is reviewed. The problems related to analysis of the hyperspectral data are also discussed. A method for automatic selection of spectral channels is presented. The method can be used either for data collection or for data analysis. The requirements for the software used for analysis of hypersspectral data are presented. The software made at VTT for preprocessing and spectral channel selection are introduced. A short bibliography of earlier research on use of imaging spectrometer data is included in the report.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages55
ISBN (Electronic)951-38-5282-2
ISBN (Print)951-38-5281-4
Publication statusPublished - 1998
MoE publication typeNot Eligible

Publication series

SeriesVTT Tiedotteita - Meddelanden - Research Notes
Number1894
ISSN1235-0605

Fingerprint

spectrometer
software
atmospheric correction
bibliography
method
analysis
data analysis
parameter
effect

Keywords

  • airbone equipment
  • spectrometers
  • space technology
  • computer programs
  • image quality

Cite this

Mäkisara, K. (1998). The AISA data user's guide. Espoo: VTT Technical Research Centre of Finland. VTT Tiedotteita - Meddelanden - Research Notes, No. 1894
Mäkisara, Kai. / The AISA data user's guide. Espoo : VTT Technical Research Centre of Finland, 1998. 55 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1894).
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Mäkisara, K 1998, The AISA data user's guide. VTT Tiedotteita - Meddelanden - Research Notes, no. 1894, VTT Technical Research Centre of Finland, Espoo.

The AISA data user's guide. / Mäkisara, Kai.

Espoo : VTT Technical Research Centre of Finland, 1998. 55 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1894).

Research output: Book/ReportReport

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AB - The primary purpose of this report is to help the prospective users of the Finnish airborne imaging spectrometer AISA to better utilise the data the instrument collects. Most of the topics discussed are also applicable to other airborne imaging spectrometers. The emphasis is on understanding the formation and the characteristics of the data and the data processing methods used with this kind of data. The structure of the AISA instrument is reviewed with emphasis on the aspects that have effect on the usability of the data collected by the instrument. Practical methods and rules of thumb for selection of the data collection parameters for different applications are presented. The radiometric processing of the data, including the atmospheric correction is reviewed. The problems related to analysis of the hyperspectral data are also discussed. A method for automatic selection of spectral channels is presented. The method can be used either for data collection or for data analysis. The requirements for the software used for analysis of hypersspectral data are presented. The software made at VTT for preprocessing and spectral channel selection are introduced. A short bibliography of earlier research on use of imaging spectrometer data is included in the report.

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Mäkisara K. The AISA data user's guide. Espoo: VTT Technical Research Centre of Finland, 1998. 55 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1894).