/sample-data

Sample data files used in the SPy web site and documentation.

Spectral Python (SPy) Sample Data Files

  • 92AV3C.lan
    • A 145x145-pixel AVIRIS image chip (9.3 MB) containing 220 spectral bands. The image file is in ERDAS "LAN" format.
  • 92AV3GT.GIS
    • A single-band, integer-valued, 145x145-pixel image identifying the locations of 16 land-use classes associated with the image.
  • 92AV3C.spc
    • A spectral band calibration file associated with the AVIRIS sensor for the image.

Additional details regarding the image can be found in "Landgrebe, D. Multispectral data analysis: A signal theory perspective. School of Electr. Comput. Eng., Purdue Univ., West Lafayette, IN (1998)."