PURPOSE: To reduce noise in images. EXECUTION: tvreg inp=in.img out=out.img iter=5 alpha=.001 METHOD: Rudin et.al. "Nonlinear total variation based noise removal algorithms" Physica D 60 (1992) 259-268. Restrictions: 1. Image cannot exceed 512 by 512 HISTORY: 9-1-98 J Maki. COGNIZANT PROGRAMMER: Jean Lorre