This application discloses a method for distinguishing targets from clutter,
comprising the steps inputting data, calculating data statistics from said data
and using said data statistics to select target specific feature information to
distinguish specific targets from background clutter, generating said target specific
feature information from said data statistics, extracting said target specific
feature information from said data, using said target specific feature information
to distinguish specific targets from background clutter, and outputting target
and background clutter information. Classification systems, including hardware
and software embodiments, are also disclosed.