Some Portable Software for Downloading:

• Download our Java Utility to compute the position table of the sun in the sky during a specified day: Java Sunposition
  

ENVI - Modules (written in IDL):

• AKIMA_ENVI.pro
  GCP image to image registration using Akima local quintic polynomial interpolation
  References: Rafael Wiemker, Registration of Airborne Scanner Imagery Using Akima Local Quintic Polynomial Interpolation, Second International Airborne Remote Sensing Conference and Exhibition, San Francisco 1996, ERIM. (postscript 1.2 MB)
  Rafael Wiemker, Karl Rohr, Lutz Binder, Rainer Sprengel, H. Siegfried Stiehl, Application of Elastic Registration to Imagery From Airborne Scanners,
  XVIII ISPRS Congress, Vienna 1996. postscript (1.2 MB)
  
  
• PANORAMA_ENVI.pro
  Panorama rectification for multispectral whisk broom scanner images
  
  
• MSTIFF2ENVI.pro
  Read multispectral TIFF-files into ENVI
  
  
• ENVI2MSTIFF.pro
  Write multispectral TIFF-files from ENVI
  
  
• BRIFILTER_ENVI.pro
  Filter brightness components to achieve surface orientation invariant spectral descriptor
  References: Rafael Wiemker, The Color Constancy Problem: An Illumination Invariant Mapping Approach, in V. Hlavac and S. Sara (eds.): Proceedings of the 6th International Conference on Computer Analysis of Images and Patterns CAIP 1995, Springer, ISBN 3-540-60268-2, pp.950-955. (postscript 0.2 MB)
  
  
• COLFILTER_ENVI.pro
  Filter brightness and `color' components to achieve surface orientation invariant spectral descriptor
  References: as above
  
  

(Rafael Wiemker)