@inproceedings{1056053,
    title = "Multi-channel remote sensing data and orthogonal transformations for change detection",
    author = "Nielsen, Aasbjerg Allan",
    year = "1999",
    pages = "37-48",
    publisher = "Springer-Verlag",
    booktitle = "Machine vision and advanced image processing in remote sensing: proceedings of concerted action MAVIRIC (machine vision in remotely sensed image comprehension)"
}