@CONFERENCE\{IMM1991-01057, author = "K. Conradsen and B. K. Ersb{\o}ll and A. A. Nielsen", title = "Noise removal in multichannel image data by a parametric maximum noise fraction estimator", year = "1991", month = "may", pages = "14", booktitle = "24th Symposium on Remote Sensing of Environment, Rio de Janeiro, Brazil", volume = "", series = "", editor = "", publisher = "", organization = "", address = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/1057-full.html" }