Nonlinear image processing and pattern analysis XII : 22 - 23 January 2001, San Jose, USA
Statistical and stochastic methods for image processing : 4-5 August 1996, Denver, Colorado
Nonlinear image processing II : 28 February - 1 March 1991, San Jose, California
Nonlinear image processing III : 12-13 February 1992, San Jose, California