Patent ID: 7263226

Claim:
A computer program product, comprising; a computer-readable medium having computer readable program code means embodied therein for detecting anomalies in multidimensional data, said computer readable program code means including: a) first computer readable program means for causing a computer to receive multidimensional data; b) second computer readable program means for causing said computer to estimate background parameters of a normal compositional model from said multidimensional data; c) third computer readable program means for causing said computer to estimate abundance values of classes of said normal compositional model from said background parameters and said multidimensional data; d) fourth computer readable program means for causing said computer to determine an anomaly detection statistic from said multidimensional data, background parameters, and abundance values; and e) fifth computer readable program means for causing said computer to classify an observation as either a background reference or an anomaly from said anomaly detection statistic.